Mercurial > hg > nginx

annotate src/http/modules/ngx_http_gzip_filter_module.c @ 4746:4a18bf1833a9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Entity tags: clear on entity changes.
author Maxim Dounin <mdounin@mdounin.ru>
date Sat, 07 Jul 2012 21:22:27 +0000
parents 93dd50a9dc70
children 58dfef910ccd
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 433
diff changeset
1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 433
diff changeset
2 /*
444
42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
parents: 441
diff changeset
3 * Copyright (C) Igor Sysoev
4412
d620f497c50f Copyright updated.
Maxim Konovalov <maxim@nginx.com>
parents: 4114
diff changeset
4 * Copyright (C) Nginx, Inc.
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 433
diff changeset
5 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 433
diff changeset
6
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
7
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
8 #include <ngx_config.h>
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
9 #include <ngx_core.h>
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
10 #include <ngx_http.h>
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
11
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
12 #include <zlib.h>
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
13
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
14
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
15 typedef struct {
290
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 289
diff changeset
16 ngx_flag_t enable;
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 289
diff changeset
17 ngx_flag_t no_buffer;
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 289
diff changeset
18
2166
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents: 2051
diff changeset
19 ngx_hash_t types;
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
20
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
21 ngx_bufs_t bufs;
290
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 289
diff changeset
22
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
23 size_t postpone_gzipping;
589
d4e858a5751a nginx-0.3.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 583
diff changeset
24 ngx_int_t level;
319
7a8ebba985a9 nginx-0.0.3-2004-04-16-19:27:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 315
diff changeset
25 size_t wbits;
7a8ebba985a9 nginx-0.0.3-2004-04-16-19:27:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 315
diff changeset
26 size_t memlevel;
335
d4241d7787fe nginx-0.0.3-2004-05-14-20:51:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
diff changeset
27 ssize_t min_length;
2166
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents: 2051
diff changeset
28
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents: 2051
diff changeset
29 ngx_array_t *types_keys;
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
30 } ngx_http_gzip_conf_t;
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
31
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
32
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
33 typedef struct {
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
34 ngx_chain_t *in;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
35 ngx_chain_t *free;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
36 ngx_chain_t *busy;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
37 ngx_chain_t *out;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
38 ngx_chain_t **last_out;
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
39
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
40 ngx_chain_t *copied;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
41 ngx_chain_t *copy_buf;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
42
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 335
diff changeset
43 ngx_buf_t *in_buf;
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 335
diff changeset
44 ngx_buf_t *out_buf;
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 335
diff changeset
45 ngx_int_t bufs;
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
46
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
47 void *preallocated;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
48 char *free_mem;
294
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
49 ngx_uint_t allocated;
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
50
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
51 int wbits;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
52 int memlevel;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
53
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
54 unsigned flush:4;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
55 unsigned redo:1;
430
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
56 unsigned done:1;
2287
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
57 unsigned nomem:1;
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
58 unsigned gzheader:1;
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
59 unsigned buffering:1;
177
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
60
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
61 size_t zin;
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
62 size_t zout;
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
63
290
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 289
diff changeset
64 uint32_t crc32;
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
65 z_stream zstream;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
66 ngx_http_request_t *request;
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
67 } ngx_http_gzip_ctx_t;
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
68
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
69
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
70 #if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED)
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
71
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
72 struct gztrailer {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
73 uint32_t crc32;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
74 uint32_t zlen;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
75 };
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
76
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
77 #else /* NGX_HAVE_BIG_ENDIAN || !NGX_HAVE_NONALIGNED */
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
78
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
79 struct gztrailer {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
80 u_char crc32[4];
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
81 u_char zlen[4];
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
82 };
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
83
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
84 #endif
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
85
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
86
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
87 static void ngx_http_gzip_filter_memory(ngx_http_request_t *r,
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
88 ngx_http_gzip_ctx_t *ctx);
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
89 static ngx_int_t ngx_http_gzip_filter_buffer(ngx_http_gzip_ctx_t *ctx,
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
90 ngx_chain_t *in);
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
91 static ngx_int_t ngx_http_gzip_filter_deflate_start(ngx_http_request_t *r,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
92 ngx_http_gzip_ctx_t *ctx);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
93 static ngx_int_t ngx_http_gzip_filter_gzheader(ngx_http_request_t *r,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
94 ngx_http_gzip_ctx_t *ctx);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
95 static ngx_int_t ngx_http_gzip_filter_add_data(ngx_http_request_t *r,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
96 ngx_http_gzip_ctx_t *ctx);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
97 static ngx_int_t ngx_http_gzip_filter_get_buf(ngx_http_request_t *r,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
98 ngx_http_gzip_ctx_t *ctx);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
99 static ngx_int_t ngx_http_gzip_filter_deflate(ngx_http_request_t *r,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
100 ngx_http_gzip_ctx_t *ctx);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
101 static ngx_int_t ngx_http_gzip_filter_deflate_end(ngx_http_request_t *r,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
102 ngx_http_gzip_ctx_t *ctx);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
103
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
104 static void *ngx_http_gzip_filter_alloc(void *opaque, u_int items,
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
105 u_int size);
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
106 static void ngx_http_gzip_filter_free(void *opaque, void *address);
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
107 static void ngx_http_gzip_filter_free_copy_buf(ngx_http_request_t *r,
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
108 ngx_http_gzip_ctx_t *ctx);
177
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
109
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
110 static ngx_int_t ngx_http_gzip_add_variables(ngx_conf_t *cf);
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
111 static ngx_int_t ngx_http_gzip_ratio_variable(ngx_http_request_t *r,
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
112 ngx_http_variable_value_t *v, uintptr_t data);
479
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
113
681
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
114 static ngx_int_t ngx_http_gzip_filter_init(ngx_conf_t *cf);
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
115 static void *ngx_http_gzip_create_conf(ngx_conf_t *cf);
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
116 static char *ngx_http_gzip_merge_conf(ngx_conf_t *cf,
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
117 void *parent, void *child);
527
7fa11e5c6e96 nginx-0.1.38-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 513
diff changeset
118 static char *ngx_http_gzip_window(ngx_conf_t *cf, void *post, void *data);
7fa11e5c6e96 nginx-0.1.38-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 513
diff changeset
119 static char *ngx_http_gzip_hash(ngx_conf_t *cf, void *post, void *data);
158
d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 157
diff changeset
120
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
121
158
d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 157
diff changeset
122 static ngx_conf_num_bounds_t ngx_http_gzip_comp_level_bounds = {
d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 157
diff changeset
123 ngx_conf_check_num_bounds, 1, 9
d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 157
diff changeset
124 };
d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 157
diff changeset
125
527
7fa11e5c6e96 nginx-0.1.38-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 513
diff changeset
126 static ngx_conf_post_handler_pt ngx_http_gzip_window_p = ngx_http_gzip_window;
7fa11e5c6e96 nginx-0.1.38-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 513
diff changeset
127 static ngx_conf_post_handler_pt ngx_http_gzip_hash_p = ngx_http_gzip_hash;
158
d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 157
diff changeset
128
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
129
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
130 static ngx_command_t ngx_http_gzip_filter_commands[] = {
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
131
239
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
132 { ngx_string("gzip"),
485
4ebe09b07e30 nginx-0.1.17-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
133 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
4ebe09b07e30 nginx-0.1.17-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
134 |NGX_CONF_FLAG,
239
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
135 ngx_conf_set_flag_slot,
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
136 NGX_HTTP_LOC_CONF_OFFSET,
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
137 offsetof(ngx_http_gzip_conf_t, enable),
412
199cd29f35a3 nginx-0.0.10-2004-08-31-19:32:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 370
diff changeset
138 NULL },
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
139
239
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
140 { ngx_string("gzip_buffers"),
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
141 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
142 ngx_conf_set_bufs_slot,
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
143 NGX_HTTP_LOC_CONF_OFFSET,
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
144 offsetof(ngx_http_gzip_conf_t, bufs),
412
199cd29f35a3 nginx-0.0.10-2004-08-31-19:32:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 370
diff changeset
145 NULL },
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
146
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
147 { ngx_string("gzip_types"),
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
148 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
2166
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents: 2051
diff changeset
149 ngx_http_types_slot,
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
150 NGX_HTTP_LOC_CONF_OFFSET,
2166
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents: 2051
diff changeset
151 offsetof(ngx_http_gzip_conf_t, types_keys),
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents: 2051
diff changeset
152 &ngx_http_html_default_types[0] },
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
153
239
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
154 { ngx_string("gzip_comp_level"),
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
155 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
156 ngx_conf_set_num_slot,
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
157 NGX_HTTP_LOC_CONF_OFFSET,
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
158 offsetof(ngx_http_gzip_conf_t, level),
412
199cd29f35a3 nginx-0.0.10-2004-08-31-19:32:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 370
diff changeset
159 &ngx_http_gzip_comp_level_bounds },
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
160
239
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
161 { ngx_string("gzip_window"),
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
162 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
163 ngx_conf_set_size_slot,
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
164 NGX_HTTP_LOC_CONF_OFFSET,
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
165 offsetof(ngx_http_gzip_conf_t, wbits),
527
7fa11e5c6e96 nginx-0.1.38-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 513
diff changeset
166 &ngx_http_gzip_window_p },
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
167
239
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
168 { ngx_string("gzip_hash"),
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
169 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
170 ngx_conf_set_size_slot,
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
171 NGX_HTTP_LOC_CONF_OFFSET,
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
172 offsetof(ngx_http_gzip_conf_t, memlevel),
527
7fa11e5c6e96 nginx-0.1.38-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 513
diff changeset
173 &ngx_http_gzip_hash_p },
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
174
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
175 { ngx_string("postpone_gzipping"),
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
176 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
177 ngx_conf_set_size_slot,
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
178 NGX_HTTP_LOC_CONF_OFFSET,
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
179 offsetof(ngx_http_gzip_conf_t, postpone_gzipping),
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
180 NULL },
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
181
239
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
182 { ngx_string("gzip_no_buffer"),
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
183 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
184 ngx_conf_set_flag_slot,
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
185 NGX_HTTP_LOC_CONF_OFFSET,
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
186 offsetof(ngx_http_gzip_conf_t, no_buffer),
412
199cd29f35a3 nginx-0.0.10-2004-08-31-19:32:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 370
diff changeset
187 NULL },
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
188
320
d621239c30f7 nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 319
diff changeset
189 { ngx_string("gzip_min_length"),
d621239c30f7 nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 319
diff changeset
190 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
d621239c30f7 nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 319
diff changeset
191 ngx_conf_set_size_slot,
d621239c30f7 nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 319
diff changeset
192 NGX_HTTP_LOC_CONF_OFFSET,
d621239c30f7 nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 319
diff changeset
193 offsetof(ngx_http_gzip_conf_t, min_length),
412
199cd29f35a3 nginx-0.0.10-2004-08-31-19:32:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 370
diff changeset
194 NULL },
314
d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents: 294
diff changeset
195
239
574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
196 ngx_null_command
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
197 };
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
198
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
199
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
200 static ngx_http_module_t ngx_http_gzip_filter_module_ctx = {
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
201 ngx_http_gzip_add_variables, /* preconfiguration */
681
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
202 ngx_http_gzip_filter_init, /* postconfiguration */
177
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
203
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
204 NULL, /* create main configuration */
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
205 NULL, /* init main configuration */
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
206
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
207 NULL, /* create server configuration */
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
208 NULL, /* merge server configuration */
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
209
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
210 ngx_http_gzip_create_conf, /* create location configuration */
489
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
211 ngx_http_gzip_merge_conf /* merge location configuration */
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
212 };
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
213
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
214
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
215 ngx_module_t ngx_http_gzip_filter_module = {
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
216 NGX_MODULE_V1,
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
217 &ngx_http_gzip_filter_module_ctx, /* module context */
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
218 ngx_http_gzip_filter_commands, /* module directives */
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
219 NGX_HTTP_MODULE, /* module type */
541
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 529
diff changeset
220 NULL, /* init master */
681
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
221 NULL, /* init module */
541
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 529
diff changeset
222 NULL, /* init process */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 529
diff changeset
223 NULL, /* init thread */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 529
diff changeset
224 NULL, /* exit thread */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 529
diff changeset
225 NULL, /* exit process */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 529
diff changeset
226 NULL, /* exit master */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 529
diff changeset
227 NGX_MODULE_V1_PADDING
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
228 };
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
229
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
230
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
231 static ngx_str_t ngx_http_gzip_ratio = ngx_string("gzip_ratio");
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
232
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
233 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
234 static ngx_http_output_body_filter_pt ngx_http_next_body_filter;
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
235
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
236
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
237 static ngx_int_t
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
238 ngx_http_gzip_header_filter(ngx_http_request_t *r)
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
239 {
2051
115e6f029fcc "gzip_vary on" always sends "Vary: Accept-Encoding" header
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
240 ngx_table_elt_t *h;
115e6f029fcc "gzip_vary on" always sends "Vary: Accept-Encoding" header
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
241 ngx_http_gzip_ctx_t *ctx;
115e6f029fcc "gzip_vary on" always sends "Vary: Accept-Encoding" header
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
242 ngx_http_gzip_conf_t *conf;
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
243
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
244 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module);
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
245
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
246 if (!conf->enable
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
247 || (r->headers_out.status != NGX_HTTP_OK
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
248 && r->headers_out.status != NGX_HTTP_FORBIDDEN
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
249 && r->headers_out.status != NGX_HTTP_NOT_FOUND)
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
250 || (r->headers_out.content_encoding
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
251 && r->headers_out.content_encoding->value.len)
320
d621239c30f7 nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 319
diff changeset
252 || (r->headers_out.content_length_n != -1
d621239c30f7 nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 319
diff changeset
253 && r->headers_out.content_length_n < conf->min_length)
3379
0c517d0cabe0 backout r3315 and test r->header_only last, since it's not actually
Igor Sysoev <igor@sysoev.ru>
parents: 3372
diff changeset
254 || ngx_http_test_content_type(r, &conf->types) == NULL
0c517d0cabe0 backout r3315 and test r->header_only last, since it's not actually
Igor Sysoev <igor@sysoev.ru>
parents: 3372
diff changeset
255 || r->header_only)
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
256 {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
257 return ngx_http_next_header_filter(r);
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
258 }
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
259
3313
118169a8ec92 refactor gzip_vary handling
Igor Sysoev <igor@sysoev.ru>
parents: 2912
diff changeset
260 r->gzip_vary = 1;
118169a8ec92 refactor gzip_vary handling
Igor Sysoev <igor@sysoev.ru>
parents: 2912
diff changeset
261
3773
a08e8b3832ae gzip_disable degradation
Igor Sysoev <igor@sysoev.ru>
parents: 3516
diff changeset
262 #if (NGX_HTTP_DEGRADATION)
a08e8b3832ae gzip_disable degradation
Igor Sysoev <igor@sysoev.ru>
parents: 3516
diff changeset
263 {
a08e8b3832ae gzip_disable degradation
Igor Sysoev <igor@sysoev.ru>
parents: 3516
diff changeset
264 ngx_http_core_loc_conf_t *clcf;
a08e8b3832ae gzip_disable degradation
Igor Sysoev <igor@sysoev.ru>
parents: 3516
diff changeset
265
a08e8b3832ae gzip_disable degradation
Igor Sysoev <igor@sysoev.ru>
parents: 3516
diff changeset
266 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
a08e8b3832ae gzip_disable degradation
Igor Sysoev <igor@sysoev.ru>
parents: 3516
diff changeset
267
a08e8b3832ae gzip_disable degradation
Igor Sysoev <igor@sysoev.ru>
parents: 3516
diff changeset
268 if (clcf->gzip_disable_degradation && ngx_http_degraded(r)) {
a08e8b3832ae gzip_disable degradation
Igor Sysoev <igor@sysoev.ru>
parents: 3516
diff changeset
269 return ngx_http_next_header_filter(r);
a08e8b3832ae gzip_disable degradation
Igor Sysoev <igor@sysoev.ru>
parents: 3516
diff changeset
270 }
a08e8b3832ae gzip_disable degradation
Igor Sysoev <igor@sysoev.ru>
parents: 3516
diff changeset
271 }
a08e8b3832ae gzip_disable degradation
Igor Sysoev <igor@sysoev.ru>
parents: 3516
diff changeset
272 #endif
a08e8b3832ae gzip_disable degradation
Igor Sysoev <igor@sysoev.ru>
parents: 3516
diff changeset
273
3313
118169a8ec92 refactor gzip_vary handling
Igor Sysoev <igor@sysoev.ru>
parents: 2912
diff changeset
274 if (!r->gzip_tested) {
118169a8ec92 refactor gzip_vary handling
Igor Sysoev <igor@sysoev.ru>
parents: 2912
diff changeset
275 if (ngx_http_gzip_ok(r) != NGX_OK) {
118169a8ec92 refactor gzip_vary handling
Igor Sysoev <igor@sysoev.ru>
parents: 2912
diff changeset
276 return ngx_http_next_header_filter(r);
118169a8ec92 refactor gzip_vary handling
Igor Sysoev <igor@sysoev.ru>
parents: 2912
diff changeset
277 }
118169a8ec92 refactor gzip_vary handling
Igor Sysoev <igor@sysoev.ru>
parents: 2912
diff changeset
278
118169a8ec92 refactor gzip_vary handling
Igor Sysoev <igor@sysoev.ru>
parents: 2912
diff changeset
279 } else if (!r->gzip_ok) {
118169a8ec92 refactor gzip_vary handling
Igor Sysoev <igor@sysoev.ru>
parents: 2912
diff changeset
280 return ngx_http_next_header_filter(r);
118169a8ec92 refactor gzip_vary handling
Igor Sysoev <igor@sysoev.ru>
parents: 2912
diff changeset
281 }
118169a8ec92 refactor gzip_vary handling
Igor Sysoev <igor@sysoev.ru>
parents: 2912
diff changeset
282
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
283 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_gzip_ctx_t));
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
284 if (ctx == NULL) {
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
285 return NGX_ERROR;
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
286 }
314
d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents: 294
diff changeset
287
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
288 ngx_http_set_ctx(r, ctx, ngx_http_gzip_filter_module);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
289
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
290 ctx->request = r;
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
291 ctx->buffering = (conf->postpone_gzipping != 0);
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
292
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
293 ngx_http_gzip_filter_memory(r, ctx);
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
294
1790
775edc46ee66 ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents: 1626
diff changeset
295 h = ngx_list_push(&r->headers_out.headers);
775edc46ee66 ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents: 1626
diff changeset
296 if (h == NULL) {
164
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
297 return NGX_ERROR;
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
298 }
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
299
1790
775edc46ee66 ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents: 1626
diff changeset
300 h->hash = 1;
3516
dd1570b6f237 ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents: 3379
diff changeset
301 ngx_str_set(&h->key, "Content-Encoding");
dd1570b6f237 ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents: 3379
diff changeset
302 ngx_str_set(&h->value, "gzip");
1790
775edc46ee66 ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents: 1626
diff changeset
303 r->headers_out.content_encoding = h;
775edc46ee66 ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents: 1626
diff changeset
304
513
fbbf16224844 nginx-0.1.31-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
305 r->main_filter_need_in_memory = 1;
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
306
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 573
diff changeset
307 ngx_http_clear_content_length(r);
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 573
diff changeset
308 ngx_http_clear_accept_ranges(r);
4746
4a18bf1833a9 Entity tags: clear on entity changes.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4468
diff changeset
309 ngx_http_clear_etag(r);
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 573
diff changeset
310
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
311 return ngx_http_next_header_filter(r);
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
312 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
313
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
314
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
315 static ngx_int_t
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
316 ngx_http_gzip_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
317 {
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
318 int rc;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
319 ngx_chain_t *cl;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
320 ngx_http_gzip_ctx_t *ctx;
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
321
243
bf2faf694c19 nginx-0.0.1-2004-01-28-23:38:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 239
diff changeset
322 ctx = ngx_http_get_module_ctx(r, ngx_http_gzip_filter_module);
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
323
243
bf2faf694c19 nginx-0.0.1-2004-01-28-23:38:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 239
diff changeset
324 if (ctx == NULL || ctx->done) {
177
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
325 return ngx_http_next_body_filter(r, in);
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
326 }
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
327
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
328 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
329 "http gzip filter");
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
330
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
331 if (ctx->buffering) {
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
332
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
333 /*
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
334 * With default memory settings zlib starts to output gzipped data
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
335 * only after it has got about 90K, so it makes sense to allocate
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
336 * zlib memory (200-400K) only after we have enough data to compress.
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
337 * Although we copy buffers, nevertheless for not big responses
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
338 * this allows to allocate zlib memory, to compress and to output
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
339 * the response in one step using hot CPU cache.
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
340 */
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
341
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
342 if (in) {
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
343 switch (ngx_http_gzip_filter_buffer(ctx, in)) {
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
344
2468
76925110cdae style fix: remove tabs
Igor Sysoev <igor@sysoev.ru>
parents: 2425
diff changeset
345 case NGX_OK:
76925110cdae style fix: remove tabs
Igor Sysoev <igor@sysoev.ru>
parents: 2425
diff changeset
346 return NGX_OK;
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
347
2468
76925110cdae style fix: remove tabs
Igor Sysoev <igor@sysoev.ru>
parents: 2425
diff changeset
348 case NGX_DONE:
76925110cdae style fix: remove tabs
Igor Sysoev <igor@sysoev.ru>
parents: 2425
diff changeset
349 in = NULL;
76925110cdae style fix: remove tabs
Igor Sysoev <igor@sysoev.ru>
parents: 2425
diff changeset
350 break;
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
351
2468
76925110cdae style fix: remove tabs
Igor Sysoev <igor@sysoev.ru>
parents: 2425
diff changeset
352 default: /* NGX_ERROR */
76925110cdae style fix: remove tabs
Igor Sysoev <igor@sysoev.ru>
parents: 2425
diff changeset
353 goto failed;
76925110cdae style fix: remove tabs
Igor Sysoev <igor@sysoev.ru>
parents: 2425
diff changeset
354 }
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
355
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
356 } else {
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
357 ctx->buffering = 0;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
358 }
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
359 }
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
360
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
361 if (ctx->preallocated == NULL) {
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
362 if (ngx_http_gzip_filter_deflate_start(r, ctx) != NGX_OK) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
363 goto failed;
430
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
364 }
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
365 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
366
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
367 if (in) {
2536
a6d6d762c554 small optimization: " == NGX_ERROR" > " != NGX_OK"
Igor Sysoev <igor@sysoev.ru>
parents: 2468
diff changeset
368 if (ngx_chain_add_copy(r->pool, &ctx->in, in) != NGX_OK) {
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
369 goto failed;
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
370 }
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
371 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
372
2287
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
373 if (ctx->nomem) {
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
374
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
375 /* flush busy buffers */
2287
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
376
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
377 if (ngx_http_next_body_filter(r, NULL) == NGX_ERROR) {
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
378 goto failed;
2287
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
379 }
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
380
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
381 cl = NULL;
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
382
4114
5db098f97e0e API change: ngx_chain_update_chains() now requires pool.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3773
diff changeset
383 ngx_chain_update_chains(r->pool, &ctx->free, &ctx->busy, &cl,
2287
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
384 (ngx_buf_tag_t) &ngx_http_gzip_filter_module);
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
385 ctx->nomem = 0;
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
386 }
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
387
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
388 for ( ;; ) {
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
389
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
390 /* cycle while we can write to a client */
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
391
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
392 for ( ;; ) {
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
393
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
394 /* cycle while there is data to feed zlib and ... */
323
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 322
diff changeset
395
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
396 rc = ngx_http_gzip_filter_add_data(r, ctx);
323
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 322
diff changeset
397
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
398 if (rc == NGX_DECLINED) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
399 break;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
400 }
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
401
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
402 if (rc == NGX_AGAIN) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
403 continue;
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
404 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
405
430
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
406
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
407 /* ... there are buffers to write zlib output */
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
408
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
409 rc = ngx_http_gzip_filter_get_buf(r, ctx);
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
410
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
411 if (rc == NGX_DECLINED) {
323
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 322
diff changeset
412 break;
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 322
diff changeset
413 }
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 322
diff changeset
414
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
415 if (rc == NGX_ERROR) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
416 goto failed;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
417 }
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
418
479
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
419
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
420 rc = ngx_http_gzip_filter_deflate(r, ctx);
355
0fb6c53fb135 nginx-0.0.7-2004-06-15-21:47:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
421
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
422 if (rc == NGX_OK) {
323
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 322
diff changeset
423 break;
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 322
diff changeset
424 }
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
425
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
426 if (rc == NGX_ERROR) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
427 goto failed;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
428 }
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
429
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
430 /* rc == NGX_AGAIN */
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
431 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
432
1626
7caa66b819df fix gzip and SSL
Igor Sysoev <igor@sysoev.ru>
parents: 1583
diff changeset
433 if (ctx->out == NULL) {
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
434 ngx_http_gzip_filter_free_copy_buf(r, ctx);
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
435
2292
51487a60eba2 fix the previous commit
Igor Sysoev <igor@sysoev.ru>
parents: 2291
diff changeset
436 return ctx->busy ? NGX_AGAIN : NGX_OK;
430
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
437 }
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
438
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
439 if (!ctx->gzheader) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
440 if (ngx_http_gzip_filter_gzheader(r, ctx) != NGX_OK) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
441 goto failed;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
442 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
443 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
444
2287
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
445 rc = ngx_http_next_body_filter(r, ctx->out);
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
446
2287
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
447 if (rc == NGX_ERROR) {
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
448 goto failed;
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
449 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
450
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
451 ngx_http_gzip_filter_free_copy_buf(r, ctx);
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
452
4114
5db098f97e0e API change: ngx_chain_update_chains() now requires pool.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3773
diff changeset
453 ngx_chain_update_chains(r->pool, &ctx->free, &ctx->busy, &ctx->out,
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
454 (ngx_buf_tag_t) &ngx_http_gzip_filter_module);
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
455 ctx->last_out = &ctx->out;
327
e0f3f238db09 nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 326
diff changeset
456
2287
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
457 ctx->nomem = 0;
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
458
327
e0f3f238db09 nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 326
diff changeset
459 if (ctx->done) {
2287
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
460 return rc;
327
e0f3f238db09 nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 326
diff changeset
461 }
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
462 }
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
463
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
464 /* unreachable */
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
465
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
466 failed:
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
467
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
468 ctx->done = 1;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
469
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
470 if (ctx->preallocated) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
471 deflateEnd(&ctx->zstream);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
472
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
473 ngx_pfree(r->pool, ctx->preallocated);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
474 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
475
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
476 ngx_http_gzip_filter_free_copy_buf(r, ctx);
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
477
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
478 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
479 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
480
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
481
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
482 static void
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
483 ngx_http_gzip_filter_memory(ngx_http_request_t *r, ngx_http_gzip_ctx_t *ctx)
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
484 {
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
485 int wbits, memlevel;
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
486 ngx_http_gzip_conf_t *conf;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
487
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
488 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
489
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
490 wbits = conf->wbits;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
491 memlevel = conf->memlevel;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
492
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
493 if (r->headers_out.content_length_n > 0) {
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
494
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
495 /* the actual zlib window size is smaller by 262 bytes */
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
496
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
497 while (r->headers_out.content_length_n < ((1 << (wbits - 1)) - 262)) {
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
498 wbits--;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
499 memlevel--;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
500 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
501 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
502
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
503 ctx->wbits = wbits;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
504 ctx->memlevel = memlevel;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
505
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
506 /*
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
507 * We preallocate a memory for zlib in one buffer (200K-400K), this
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
508 * decreases a number of malloc() and free() calls and also probably
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
509 * decreases a number of syscalls (sbrk()/mmap() and so on).
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
510 * Besides we free the memory as soon as a gzipping will complete
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
511 * and do not wait while a whole response will be sent to a client.
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
512 *
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
513 * 8K is for zlib deflate_state, it takes
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
514 * *) 5816 bytes on i386 and sparc64 (32-bit mode)
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
515 * *) 5920 bytes on amd64 and sparc64
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
516 */
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
517
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
518 ctx->allocated = 8192 + (1 << (wbits + 2)) + (1 << (memlevel + 9));
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
519 }
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
520
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
521
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
522 static ngx_int_t
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
523 ngx_http_gzip_filter_buffer(ngx_http_gzip_ctx_t *ctx, ngx_chain_t *in)
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
524 {
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
525 size_t size, buffered;
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
526 ngx_buf_t *b, *buf;
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
527 ngx_chain_t *cl, **ll;
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
528 ngx_http_request_t *r;
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
529 ngx_http_gzip_conf_t *conf;
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
530
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
531 r = ctx->request;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
532
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
533 r->connection->buffered |= NGX_HTTP_GZIP_BUFFERED;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
534
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
535 buffered = 0;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
536 ll = &ctx->in;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
537
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
538 for (cl = ctx->in; cl; cl = cl->next) {
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
539 buffered += cl->buf->last - cl->buf->pos;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
540 ll = &cl->next;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
541 }
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
542
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
543 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module);
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
544
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
545 while (in) {
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
546 cl = ngx_alloc_chain_link(r->pool);
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
547 if (cl == NULL) {
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
548 return NGX_ERROR;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
549 }
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
550
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
551 b = in->buf;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
552
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
553 size = b->last - b->pos;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
554 buffered += size;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
555
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
556 if (b->flush || b->last_buf || buffered > conf->postpone_gzipping) {
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
557 ctx->buffering = 0;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
558 }
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
559
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
560 if (ctx->buffering && size) {
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
561
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
562 buf = ngx_create_temp_buf(r->pool, size);
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
563 if (buf == NULL) {
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
564 return NGX_ERROR;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
565 }
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
566
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
567 buf->last = ngx_cpymem(buf->pos, b->pos, size);
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
568 b->pos = b->last;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
569
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
570 buf->last_buf = b->last_buf;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
571 buf->tag = (ngx_buf_tag_t) &ngx_http_gzip_filter_module;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
572
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
573 cl->buf = buf;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
574
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
575 } else {
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
576 cl->buf = b;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
577 }
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
578
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
579 *ll = cl;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
580 ll = &cl->next;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
581 in = in->next;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
582 }
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
583
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
584 *ll = NULL;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
585
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
586 return ctx->buffering ? NGX_OK : NGX_DONE;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
587 }
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
588
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
589
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
590 static ngx_int_t
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
591 ngx_http_gzip_filter_deflate_start(ngx_http_request_t *r,
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
592 ngx_http_gzip_ctx_t *ctx)
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
593 {
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
594 int rc;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
595 ngx_http_gzip_conf_t *conf;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
596
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
597 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module);
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
598
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
599 ctx->preallocated = ngx_palloc(r->pool, ctx->allocated);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
600 if (ctx->preallocated == NULL) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
601 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
602 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
603
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
604 ctx->free_mem = ctx->preallocated;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
605
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
606 ctx->zstream.zalloc = ngx_http_gzip_filter_alloc;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
607 ctx->zstream.zfree = ngx_http_gzip_filter_free;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
608 ctx->zstream.opaque = ctx;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
609
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
610 rc = deflateInit2(&ctx->zstream, (int) conf->level, Z_DEFLATED,
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
611 - ctx->wbits, ctx->memlevel, Z_DEFAULT_STRATEGY);
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
612
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
613 if (rc != Z_OK) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
614 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
615 "deflateInit2() failed: %d", rc);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
616 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
617 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
618
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
619 ctx->last_out = &ctx->out;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
620 ctx->crc32 = crc32(0L, Z_NULL, 0);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
621 ctx->flush = Z_NO_FLUSH;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
622
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
623 return NGX_OK;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
624 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
625
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
626
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
627 static ngx_int_t
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
628 ngx_http_gzip_filter_gzheader(ngx_http_request_t *r, ngx_http_gzip_ctx_t *ctx)
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
629 {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
630 ngx_buf_t *b;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
631 ngx_chain_t *cl;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
632 static u_char gzheader[10] =
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
633 { 0x1f, 0x8b, Z_DEFLATED, 0, 0, 0, 0, 0, 0, 3 };
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
634
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
635 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t));
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
636 if (b == NULL) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
637 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
638 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
639
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
640 b->memory = 1;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
641 b->pos = gzheader;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
642 b->last = b->pos + 10;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
643
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
644 cl = ngx_alloc_chain_link(r->pool);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
645 if (cl == NULL) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
646 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
647 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
648
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
649 cl->buf = b;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
650 cl->next = ctx->out;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
651 ctx->out = cl;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
652
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
653 ctx->gzheader = 1;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
654
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
655 return NGX_OK;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
656 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
657
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
658
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
659 static ngx_int_t
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
660 ngx_http_gzip_filter_add_data(ngx_http_request_t *r, ngx_http_gzip_ctx_t *ctx)
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
661 {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
662 if (ctx->zstream.avail_in || ctx->flush != Z_NO_FLUSH || ctx->redo) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
663 return NGX_OK;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
664 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
665
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
666 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
667 "gzip in: %p", ctx->in);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
668
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
669 if (ctx->in == NULL) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
670 return NGX_DECLINED;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
671 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
672
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
673 if (ctx->copy_buf) {
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
674
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
675 /*
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
676 * to avoid CPU cache trashing we do not free() just quit buf,
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
677 * but postpone free()ing after zlib compressing and data output
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
678 */
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
679
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
680 ctx->copy_buf->next = ctx->copied;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
681 ctx->copied = ctx->copy_buf;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
682 ctx->copy_buf = NULL;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
683 }
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
684
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
685 ctx->in_buf = ctx->in->buf;
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
686
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
687 if (ctx->in_buf->tag == (ngx_buf_tag_t) &ngx_http_gzip_filter_module) {
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
688 ctx->copy_buf = ctx->in;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
689 }
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
690
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
691 ctx->in = ctx->in->next;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
692
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
693 ctx->zstream.next_in = ctx->in_buf->pos;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
694 ctx->zstream.avail_in = ctx->in_buf->last - ctx->in_buf->pos;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
695
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
696 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
697 "gzip in_buf:%p ni:%p ai:%ud",
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
698 ctx->in_buf,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
699 ctx->zstream.next_in, ctx->zstream.avail_in);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
700
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
701 if (ctx->in_buf->last_buf) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
702 ctx->flush = Z_FINISH;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
703
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
704 } else if (ctx->in_buf->flush) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
705 ctx->flush = Z_SYNC_FLUSH;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
706 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
707
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
708 if (ctx->zstream.avail_in) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
709
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
710 ctx->crc32 = crc32(ctx->crc32, ctx->zstream.next_in,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
711 ctx->zstream.avail_in);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
712
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
713 } else if (ctx->flush == Z_NO_FLUSH) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
714 return NGX_AGAIN;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
715 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
716
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
717 return NGX_OK;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
718 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
719
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
720
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
721 static ngx_int_t
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
722 ngx_http_gzip_filter_get_buf(ngx_http_request_t *r, ngx_http_gzip_ctx_t *ctx)
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
723 {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
724 ngx_http_gzip_conf_t *conf;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
725
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
726 if (ctx->zstream.avail_out) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
727 return NGX_OK;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
728 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
729
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
730 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
731
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
732 if (ctx->free) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
733 ctx->out_buf = ctx->free->buf;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
734 ctx->free = ctx->free->next;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
735
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
736 } else if (ctx->bufs < conf->bufs.num) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
737
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
738 ctx->out_buf = ngx_create_temp_buf(r->pool, conf->bufs.size);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
739 if (ctx->out_buf == NULL) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
740 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
741 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
742
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
743 ctx->out_buf->tag = (ngx_buf_tag_t) &ngx_http_gzip_filter_module;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
744 ctx->out_buf->recycled = 1;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
745 ctx->bufs++;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
746
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
747 } else {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
748 ctx->nomem = 1;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
749 return NGX_DECLINED;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
750 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
751
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
752 ctx->zstream.next_out = ctx->out_buf->pos;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
753 ctx->zstream.avail_out = conf->bufs.size;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
754
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
755 return NGX_OK;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
756 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
757
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
758
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
759 static ngx_int_t
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
760 ngx_http_gzip_filter_deflate(ngx_http_request_t *r, ngx_http_gzip_ctx_t *ctx)
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
761 {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
762 int rc;
4468
93dd50a9dc70 Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
763 ngx_buf_t *b;
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
764 ngx_chain_t *cl;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
765 ngx_http_gzip_conf_t *conf;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
766
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
767 ngx_log_debug6(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
768 "deflate in: ni:%p no:%p ai:%ud ao:%ud fl:%d redo:%d",
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
769 ctx->zstream.next_in, ctx->zstream.next_out,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
770 ctx->zstream.avail_in, ctx->zstream.avail_out,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
771 ctx->flush, ctx->redo);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
772
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
773 rc = deflate(&ctx->zstream, ctx->flush);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
774
4468
93dd50a9dc70 Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
775 if (rc != Z_OK && rc != Z_STREAM_END && rc != Z_BUF_ERROR) {
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
776 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
777 "deflate() failed: %d, %d", ctx->flush, rc);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
778 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
779 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
780
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
781 ngx_log_debug5(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
782 "deflate out: ni:%p no:%p ai:%ud ao:%ud rc:%d",
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
783 ctx->zstream.next_in, ctx->zstream.next_out,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
784 ctx->zstream.avail_in, ctx->zstream.avail_out,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
785 rc);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
786
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
787 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
788 "gzip in_buf:%p pos:%p",
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
789 ctx->in_buf, ctx->in_buf->pos);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
790
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
791 if (ctx->zstream.next_in) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
792 ctx->in_buf->pos = ctx->zstream.next_in;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
793
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
794 if (ctx->zstream.avail_in == 0) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
795 ctx->zstream.next_in = NULL;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
796 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
797 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
798
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
799 ctx->out_buf->last = ctx->zstream.next_out;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
800
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
801 if (ctx->zstream.avail_out == 0) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
802
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
803 /* zlib wants to output some more gzipped data */
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
804
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
805 cl = ngx_alloc_chain_link(r->pool);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
806 if (cl == NULL) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
807 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
808 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
809
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
810 cl->buf = ctx->out_buf;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
811 cl->next = NULL;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
812 *ctx->last_out = cl;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
813 ctx->last_out = &cl->next;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
814
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
815 ctx->redo = 1;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
816
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
817 return NGX_AGAIN;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
818 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
819
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
820 ctx->redo = 0;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
821
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
822 if (ctx->flush == Z_SYNC_FLUSH) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
823
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
824 ctx->flush = Z_NO_FLUSH;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
825
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
826 cl = ngx_alloc_chain_link(r->pool);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
827 if (cl == NULL) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
828 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
829 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
830
4468
93dd50a9dc70 Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
831 b = ctx->out_buf;
93dd50a9dc70 Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
832
93dd50a9dc70 Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
833 if (ngx_buf_size(b) == 0) {
93dd50a9dc70 Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
834
93dd50a9dc70 Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
835 b = ngx_calloc_buf(ctx->request->pool);
93dd50a9dc70 Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
836 if (b == NULL) {
93dd50a9dc70 Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
837 return NGX_ERROR;
93dd50a9dc70 Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
838 }
93dd50a9dc70 Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
839
93dd50a9dc70 Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
840 } else {
93dd50a9dc70 Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
841 ctx->zstream.avail_out = 0;
93dd50a9dc70 Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
842 }
93dd50a9dc70 Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
843
93dd50a9dc70 Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
844 b->flush = 1;
93dd50a9dc70 Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
845
93dd50a9dc70 Gzip filter: handling of empty flush buffers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
846 cl->buf = b;
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
847 cl->next = NULL;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
848 *ctx->last_out = cl;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
849 ctx->last_out = &cl->next;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
850
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
851 return NGX_OK;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
852 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
853
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
854 if (rc == Z_STREAM_END) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
855
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
856 if (ngx_http_gzip_filter_deflate_end(r, ctx) != NGX_OK) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
857 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
858 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
859
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
860 return NGX_OK;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
861 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
862
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
863 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
864
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
865 if (conf->no_buffer && ctx->in == NULL) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
866
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
867 cl = ngx_alloc_chain_link(r->pool);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
868 if (cl == NULL) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
869 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
870 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
871
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
872 cl->buf = ctx->out_buf;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
873 cl->next = NULL;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
874 *ctx->last_out = cl;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
875 ctx->last_out = &cl->next;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
876
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
877 return NGX_OK;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
878 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
879
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
880 return NGX_AGAIN;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
881 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
882
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
883
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
884 static ngx_int_t
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
885 ngx_http_gzip_filter_deflate_end(ngx_http_request_t *r,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
886 ngx_http_gzip_ctx_t *ctx)
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
887 {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
888 int rc;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
889 ngx_buf_t *b;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
890 ngx_chain_t *cl;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
891 struct gztrailer *trailer;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
892
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
893 ctx->zin = ctx->zstream.total_in;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
894 ctx->zout = 10 + ctx->zstream.total_out + 8;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
895
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
896 rc = deflateEnd(&ctx->zstream);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
897
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
898 if (rc != Z_OK) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
899 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
900 "deflateEnd() failed: %d", rc);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
901 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
902 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
903
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
904 ngx_pfree(r->pool, ctx->preallocated);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
905
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
906 cl = ngx_alloc_chain_link(r->pool);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
907 if (cl == NULL) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
908 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
909 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
910
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
911 cl->buf = ctx->out_buf;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
912 cl->next = NULL;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
913 *ctx->last_out = cl;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
914 ctx->last_out = &cl->next;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
915
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
916 if (ctx->zstream.avail_out >= 8) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
917 trailer = (struct gztrailer *) ctx->out_buf->last;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
918 ctx->out_buf->last += 8;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
919 ctx->out_buf->last_buf = 1;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
920
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
921 } else {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
922 b = ngx_create_temp_buf(r->pool, 8);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
923 if (b == NULL) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
924 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
925 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
926
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
927 b->last_buf = 1;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
928
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
929 cl = ngx_alloc_chain_link(r->pool);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
930 if (cl == NULL) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
931 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
932 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
933
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
934 cl->buf = b;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
935 cl->next = NULL;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
936 *ctx->last_out = cl;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
937 ctx->last_out = &cl->next;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
938 trailer = (struct gztrailer *) b->pos;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
939 b->last += 8;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
940 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
941
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
942 #if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED)
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
943
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
944 trailer->crc32 = ctx->crc32;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
945 trailer->zlen = ctx->zin;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
946
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
947 #else
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
948
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
949 trailer->crc32[0] = (u_char) (ctx->crc32 & 0xff);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
950 trailer->crc32[1] = (u_char) ((ctx->crc32 >> 8) & 0xff);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
951 trailer->crc32[2] = (u_char) ((ctx->crc32 >> 16) & 0xff);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
952 trailer->crc32[3] = (u_char) ((ctx->crc32 >> 24) & 0xff);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
953
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
954 trailer->zlen[0] = (u_char) (ctx->zin & 0xff);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
955 trailer->zlen[1] = (u_char) ((ctx->zin >> 8) & 0xff);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
956 trailer->zlen[2] = (u_char) ((ctx->zin >> 16) & 0xff);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
957 trailer->zlen[3] = (u_char) ((ctx->zin >> 24) & 0xff);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
958
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
959 #endif
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
960
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
961 ctx->zstream.avail_in = 0;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
962 ctx->zstream.avail_out = 0;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
963
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
964 ctx->done = 1;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
965
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
966 r->connection->buffered &= ~NGX_HTTP_GZIP_BUFFERED;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
967
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
968 return NGX_OK;
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
969 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
970
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
971
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
972 static void *
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
973 ngx_http_gzip_filter_alloc(void *opaque, u_int items, u_int size)
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
974 {
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
975 ngx_http_gzip_ctx_t *ctx = opaque;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
976
294
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
977 void *p;
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
978 ngx_uint_t alloc;
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
979
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
980 alloc = items * size;
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
981
2425
3d60d55b9ad0 do not try to align to a page size, allocate just 8K,
Igor Sysoev <igor@sysoev.ru>
parents: 2412
diff changeset
982 if (alloc % 512 != 0 && alloc < 8192) {
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
983
346
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
984 /*
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
985 * The zlib deflate_state allocation, it takes about 6K,
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
986 * we allocate 8K. Other allocations are divisible by 512.
346
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
987 */
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
988
2425
3d60d55b9ad0 do not try to align to a page size, allocate just 8K,
Igor Sysoev <igor@sysoev.ru>
parents: 2412
diff changeset
989 alloc = 8192;
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
990 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
991
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
992 if (alloc <= ctx->allocated) {
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
993 p = ctx->free_mem;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
994 ctx->free_mem += alloc;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
995 ctx->allocated -= alloc;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
996
257
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
997 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, ctx->request->connection->log, 0,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
998 "gzip alloc: n:%ud s:%ud a:%ud p:%p",
257
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
999 items, size, alloc, p);
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1000
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1001 return p;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1002 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1003
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1004 ngx_log_error(NGX_LOG_ALERT, ctx->request->connection->log, 0,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
1005 "gzip filter failed to use preallocated memory: %ud of %ud",
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1006 items * size, ctx->allocated);
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1007
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1008 p = ngx_palloc(ctx->request->pool, items * size);
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1009
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1010 return p;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1011 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1012
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1013
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
1014 static void
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
1015 ngx_http_gzip_filter_free(void *opaque, void *address)
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1016 {
282
30310107dbc9 nginx-0.0.2-2004-03-09-22:47:07 import
Igor Sysoev <igor@sysoev.ru>
parents: 265
diff changeset
1017 #if 0
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1018 ngx_http_gzip_ctx_t *ctx = opaque;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1019
257
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
1020 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->request->connection->log, 0,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
1021 "gzip free: %p", address);
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1022 #endif
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1023 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1024
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1025
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1026 static void
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1027 ngx_http_gzip_filter_free_copy_buf(ngx_http_request_t *r,
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1028 ngx_http_gzip_ctx_t *ctx)
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1029 {
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1030 ngx_chain_t *cl;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1031
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1032 for (cl = ctx->copied; cl; cl = cl->next) {
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1033 ngx_pfree(r->pool, cl->buf->start);
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1034 }
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1035
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1036 ctx->copied = NULL;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1037 }
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1038
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1039
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
1040 static ngx_int_t
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1041 ngx_http_gzip_add_variables(ngx_conf_t *cf)
177
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
1042 {
880
3b763d36e055 axe old % log format
Igor Sysoev <igor@sysoev.ru>
parents: 681
diff changeset
1043 ngx_http_variable_t *var;
177
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
1044
583
4e296b7d25bf nginx-0.3.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
1045 var = ngx_http_add_variable(cf, &ngx_http_gzip_ratio, NGX_HTTP_VAR_NOHASH);
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1046 if (var == NULL) {
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1047 return NGX_ERROR;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1048 }
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1049
637
e60fe4cf1d4e nginx-0.3.40-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 597
diff changeset
1050 var->get_handler = ngx_http_gzip_ratio_variable;
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1051
177
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
1052 return NGX_OK;
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
1053 }
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
1054
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
1055
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
1056 static ngx_int_t
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1057 ngx_http_gzip_ratio_variable(ngx_http_request_t *r,
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1058 ngx_http_variable_value_t *v, uintptr_t data)
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1059 {
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1060 ngx_uint_t zint, zfrac;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1061 ngx_http_gzip_ctx_t *ctx;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1062
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 573
diff changeset
1063 v->valid = 1;
1565
4c43e25d11ea fix English grammar
Igor Sysoev <igor@sysoev.ru>
parents: 1554
diff changeset
1064 v->no_cacheable = 0;
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1065 v->not_found = 0;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1066
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1067 ctx = ngx_http_get_module_ctx(r, ngx_http_gzip_filter_module);
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1068
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1069 if (ctx == NULL || ctx->zout == 0) {
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1070 v->not_found = 1;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1071 return NGX_OK;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1072 }
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1073
2049
2a92804f4109 *) back out r2040
Igor Sysoev <igor@sysoev.ru>
parents: 1790
diff changeset
1074 v->data = ngx_pnalloc(r->pool, NGX_INT32_LEN + 3);
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1075 if (v->data == NULL) {
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1076 return NGX_ERROR;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1077 }
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1078
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1079 zint = (ngx_uint_t) (ctx->zin / ctx->zout);
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1080 zfrac = (ngx_uint_t) ((ctx->zin * 100 / ctx->zout) % 100);
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1081
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1082 if ((ctx->zin * 1000 / ctx->zout) % 10 > 4) {
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1083
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1084 /* the rounding, e.g., 2.125 to 2.13 */
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1085
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1086 zfrac++;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1087
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1088 if (zfrac > 99) {
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1089 zint++;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1090 zfrac = 0;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1091 }
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1092 }
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1093
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1094 v->len = ngx_sprintf(v->data, "%ui.%02ui", zint, zfrac) - v->data;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1095
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1096 return NGX_OK;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1097 }
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1098
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1099
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
1100 static void *
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
1101 ngx_http_gzip_create_conf(ngx_conf_t *cf)
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1102 {
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1103 ngx_http_gzip_conf_t *conf;
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1104
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
1105 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_gzip_conf_t));
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
1106 if (conf == NULL) {
2912
c7d57b539248 return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents: 2542
diff changeset
1107 return NULL;
430
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
1108 }
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1109
430
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
1110 /*
479
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
1111 * set by ngx_pcalloc():
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
1112 *
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
1113 * conf->bufs.num = 0;
2166
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents: 2051
diff changeset
1114 * conf->types = { NULL };
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents: 2051
diff changeset
1115 * conf->types_keys = NULL;
430
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
1116 */
320
d621239c30f7 nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 319
diff changeset
1117
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1118 conf->enable = NGX_CONF_UNSET;
290
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 289
diff changeset
1119 conf->no_buffer = NGX_CONF_UNSET;
314
d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents: 294
diff changeset
1120
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
1121 conf->postpone_gzipping = NGX_CONF_UNSET_SIZE;
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1122 conf->level = NGX_CONF_UNSET;
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
1123 conf->wbits = NGX_CONF_UNSET_SIZE;
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
1124 conf->memlevel = NGX_CONF_UNSET_SIZE;
356
2e3cbc1bbe3c nginx-0.0.7-2004-06-16-19:32:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 355
diff changeset
1125 conf->min_length = NGX_CONF_UNSET;
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1126
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1127 return conf;
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1128 }
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1129
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1130
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
1131 static char *
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
1132 ngx_http_gzip_merge_conf(ngx_conf_t *cf, void *parent, void *child)
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1133 {
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1134 ngx_http_gzip_conf_t *prev = parent;
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1135 ngx_http_gzip_conf_t *conf = child;
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1136
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1137 ngx_conf_merge_value(conf->enable, prev->enable, 0);
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
1138 ngx_conf_merge_value(conf->no_buffer, prev->no_buffer, 0);
314
d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents: 294
diff changeset
1139
2412
086c20fe2e97 set default gzip_buffers to 32 4k or 16 8k
Igor Sysoev <igor@sysoev.ru>
parents: 2410
diff changeset
1140 ngx_conf_merge_bufs_value(conf->bufs, prev->bufs,
086c20fe2e97 set default gzip_buffers to 32 4k or 16 8k
Igor Sysoev <igor@sysoev.ru>
parents: 2410
diff changeset
1141 (128 * 1024) / ngx_pagesize, ngx_pagesize);
314
d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents: 294
diff changeset
1142
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
1143 ngx_conf_merge_size_value(conf->postpone_gzipping, prev->postpone_gzipping,
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
1144 0);
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1145 ngx_conf_merge_value(conf->level, prev->level, 1);
319
7a8ebba985a9 nginx-0.0.3-2004-04-16-19:27:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 315
diff changeset
1146 ngx_conf_merge_size_value(conf->wbits, prev->wbits, MAX_WBITS);
7a8ebba985a9 nginx-0.0.3-2004-04-16-19:27:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 315
diff changeset
1147 ngx_conf_merge_size_value(conf->memlevel, prev->memlevel,
7a8ebba985a9 nginx-0.0.3-2004-04-16-19:27:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 315
diff changeset
1148 MAX_MEM_LEVEL - 1);
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 573
diff changeset
1149 ngx_conf_merge_value(conf->min_length, prev->min_length, 20);
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1150
3372
6b8e5c882e47 support "*" in gzip_types, ssi_types, etc
Igor Sysoev <igor@sysoev.ru>
parents: 3314
diff changeset
1151 if (ngx_http_merge_types(cf, &conf->types_keys, &conf->types,
6b8e5c882e47 support "*" in gzip_types, ssi_types, etc
Igor Sysoev <igor@sysoev.ru>
parents: 3314
diff changeset
1152 &prev->types_keys, &prev->types,
2166
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents: 2051
diff changeset
1153 ngx_http_html_default_types)
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents: 2051
diff changeset
1154 != NGX_OK)
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents: 2051
diff changeset
1155 {
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents: 2051
diff changeset
1156 return NGX_CONF_ERROR;
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
1157 }
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
1158
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
1159 return NGX_CONF_OK;
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
1160 }
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
1161
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
1162
681
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
1163 static ngx_int_t
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
1164 ngx_http_gzip_filter_init(ngx_conf_t *cf)
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
1165 {
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
1166 ngx_http_next_header_filter = ngx_http_top_header_filter;
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
1167 ngx_http_top_header_filter = ngx_http_gzip_header_filter;
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
1168
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
1169 ngx_http_next_body_filter = ngx_http_top_body_filter;
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
1170 ngx_http_top_body_filter = ngx_http_gzip_body_filter;
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
1171
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
1172 return NGX_OK;
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
1173 }
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
1174
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
1175
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
1176 static char *
527
7fa11e5c6e96 nginx-0.1.38-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 513
diff changeset
1177 ngx_http_gzip_window(ngx_conf_t *cf, void *post, void *data)
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1178 {
2290
1a7567e5b988 change int to size_t
Igor Sysoev <igor@sysoev.ru>
parents: 2288
diff changeset
1179 size_t *np = data;
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1180
2290
1a7567e5b988 change int to size_t
Igor Sysoev <igor@sysoev.ru>
parents: 2288
diff changeset
1181 size_t wbits, wsize;
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1182
430
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
1183 wbits = 15;
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1184
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1185 for (wsize = 32 * 1024; wsize > 256; wsize >>= 1) {
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1186
158
d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 157
diff changeset
1187 if (wsize == *np) {
d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 157
diff changeset
1188 *np = wbits;
430
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
1189
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
1190 return NGX_CONF_OK;
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1191 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1192
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1193 wbits--;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1194 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1195
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1196 return "must be 512, 1k, 2k, 4k, 8k, 16k, or 32k";
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1197 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1198
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1199
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
1200 static char *
527
7fa11e5c6e96 nginx-0.1.38-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 513
diff changeset
1201 ngx_http_gzip_hash(ngx_conf_t *cf, void *post, void *data)
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1202 {
2290
1a7567e5b988 change int to size_t
Igor Sysoev <igor@sysoev.ru>
parents: 2288
diff changeset
1203 size_t *np = data;
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1204
2290
1a7567e5b988 change int to size_t
Igor Sysoev <igor@sysoev.ru>
parents: 2288
diff changeset
1205 size_t memlevel, hsize;
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1206
430
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
1207 memlevel = 9;
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1208
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1209 for (hsize = 128 * 1024; hsize > 256; hsize >>= 1) {
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1210
158
d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 157
diff changeset
1211 if (hsize == *np) {
d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 157
diff changeset
1212 *np = memlevel;
430
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
1213
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
1214 return NGX_CONF_OK;
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1215 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1216
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1217 memlevel--;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1218 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1219
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1220 return "must be 512, 1k, 2k, 4k, 8k, 16k, 32k, 64k, or 128k";
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1221 }