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annotate src/http/modules/ngx_http_gzip_filter_module.c @ 4458:2d4ff8bd5649

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Limit conn: returned to the old behavior of using the first actual limit on the way. It was unintentionally changed in r4272, so that it could only limit the first location where the processing of the request has reached PREACCESS phase.
author Valentin Bartenev <vbart@nginx.com>
date Fri, 10 Feb 2012 10:48:58 +0000
parents d620f497c50f
children 93dd50a9dc70
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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
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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
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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
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3 * Copyright (C) Igor Sysoev
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d620f497c50f Copyright updated.
Maxim Konovalov <maxim@nginx.com>
parents: 4114
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4 * Copyright (C) Nginx, Inc.
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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parents: 433
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5 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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parents: 433
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6
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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7
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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parents:
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8 #include <ngx_config.h>
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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parents:
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9 #include <ngx_core.h>
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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parents:
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10 #include <ngx_http.h>
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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11
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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12 #include <zlib.h>
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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13
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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14
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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15 typedef struct {
290
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 289
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16 ngx_flag_t enable;
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 289
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17 ngx_flag_t no_buffer;
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
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18
2166
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Igor Sysoev <igor@sysoev.ru>
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19 ngx_hash_t types;
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
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20
156
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21 ngx_bufs_t bufs;
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22
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23 size_t postpone_gzipping;
589
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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
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25 size_t wbits;
7a8ebba985a9 nginx-0.0.3-2004-04-16-19:27:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 315
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26 size_t memlevel;
335
d4241d7787fe nginx-0.0.3-2004-05-14-20:51:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 327
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27 ssize_t min_length;
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28
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29 ngx_array_t *types_keys;
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b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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30 } ngx_http_gzip_conf_t;
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31
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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32
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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33 typedef struct {
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afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
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34 ngx_chain_t *in;
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35 ngx_chain_t *free;
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36 ngx_chain_t *busy;
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37 ngx_chain_t *out;
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38 ngx_chain_t **last_out;
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39
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40 ngx_chain_t *copied;
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41 ngx_chain_t *copy_buf;
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42
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6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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parents: 335
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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
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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
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45 ngx_int_t bufs;
156
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46
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
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47 void *preallocated;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
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48 char *free_mem;
294
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
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49 ngx_uint_t allocated;
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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50
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51 int wbits;
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52 int memlevel;
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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
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55 unsigned redo:1;
430
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
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56 unsigned done:1;
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57 unsigned nomem:1;
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58 unsigned gzheader:1;
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59 unsigned buffering:1;
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4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
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60
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
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61 size_t zin;
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
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62 size_t zout;
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e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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63
290
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64 uint32_t crc32;
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afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
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65 z_stream zstream;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
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66 ngx_http_request_t *request;
133
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67 } ngx_http_gzip_ctx_t;
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68
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
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69
2291
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70 #if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED)
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71
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72 struct gztrailer {
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73 uint32_t crc32;
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Igor Sysoev <igor@sysoev.ru>
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74 uint32_t zlen;
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75 };
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
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76
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77 #else /* NGX_HAVE_BIG_ENDIAN || !NGX_HAVE_NONALIGNED */
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78
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79 struct gztrailer {
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80 u_char crc32[4];
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81 u_char zlen[4];
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82 };
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83
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84 #endif
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85
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86
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87 static void ngx_http_gzip_filter_memory(ngx_http_request_t *r,
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88 ngx_http_gzip_ctx_t *ctx);
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89 static ngx_int_t ngx_http_gzip_filter_buffer(ngx_http_gzip_ctx_t *ctx,
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90 ngx_chain_t *in);
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91 static ngx_int_t ngx_http_gzip_filter_deflate_start(ngx_http_request_t *r,
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92 ngx_http_gzip_ctx_t *ctx);
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93 static ngx_int_t ngx_http_gzip_filter_gzheader(ngx_http_request_t *r,
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94 ngx_http_gzip_ctx_t *ctx);
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95 static ngx_int_t ngx_http_gzip_filter_add_data(ngx_http_request_t *r,
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96 ngx_http_gzip_ctx_t *ctx);
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97 static ngx_int_t ngx_http_gzip_filter_get_buf(ngx_http_request_t *r,
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98 ngx_http_gzip_ctx_t *ctx);
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99 static ngx_int_t ngx_http_gzip_filter_deflate(ngx_http_request_t *r,
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100 ngx_http_gzip_ctx_t *ctx);
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101 static ngx_int_t ngx_http_gzip_filter_deflate_end(ngx_http_request_t *r,
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102 ngx_http_gzip_ctx_t *ctx);
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103
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afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
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104 static void *ngx_http_gzip_filter_alloc(void *opaque, u_int items,
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
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105 u_int size);
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
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106 static void ngx_http_gzip_filter_free(void *opaque, void *address);
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107 static void ngx_http_gzip_filter_free_copy_buf(ngx_http_request_t *r,
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108 ngx_http_gzip_ctx_t *ctx);
177
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
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109
573
58475592100c nginx-0.3.8-RELEASE import
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110 static ngx_int_t ngx_http_gzip_add_variables(ngx_conf_t *cf);
58475592100c nginx-0.3.8-RELEASE import
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111 static ngx_int_t ngx_http_gzip_ratio_variable(ngx_http_request_t *r,
58475592100c nginx-0.3.8-RELEASE import
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parents: 553
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112 ngx_http_variable_value_t *v, uintptr_t data);
479
c52408583801 nginx-0.1.14-RELEASE import
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113
681
7e24168b0853 nginx-0.4.0-RELEASE import
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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
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115 static void *ngx_http_gzip_create_conf(ngx_conf_t *cf);
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
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116 static char *ngx_http_gzip_merge_conf(ngx_conf_t *cf,
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
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117 void *parent, void *child);
527
7fa11e5c6e96 nginx-0.1.38-RELEASE import
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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);
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 573
diff changeset
309
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
310 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
311 }
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
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
314 static ngx_int_t
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
315 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
316 {
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
317 int rc;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
318 ngx_chain_t *cl;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
319 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
320
243
bf2faf694c19 nginx-0.0.1-2004-01-28-23:38:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 239
diff changeset
321 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
322
243
bf2faf694c19 nginx-0.0.1-2004-01-28-23:38:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 239
diff changeset
323 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
324 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
325 }
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
326
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
327 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
328 "http gzip filter");
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
329
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
330 if (ctx->buffering) {
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
331
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
332 /*
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
333 * 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
334 * 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
335 * 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
336 * 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
337 * 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
338 * 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
339 */
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
340
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
341 if (in) {
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
342 switch (ngx_http_gzip_filter_buffer(ctx, in)) {
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
343
2468
76925110cdae style fix: remove tabs
Igor Sysoev <igor@sysoev.ru>
parents: 2425
diff changeset
344 case NGX_OK:
76925110cdae style fix: remove tabs
Igor Sysoev <igor@sysoev.ru>
parents: 2425
diff changeset
345 return NGX_OK;
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
346
2468
76925110cdae style fix: remove tabs
Igor Sysoev <igor@sysoev.ru>
parents: 2425
diff changeset
347 case NGX_DONE:
76925110cdae style fix: remove tabs
Igor Sysoev <igor@sysoev.ru>
parents: 2425
diff changeset
348 in = NULL;
76925110cdae style fix: remove tabs
Igor Sysoev <igor@sysoev.ru>
parents: 2425
diff changeset
349 break;
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
350
2468
76925110cdae style fix: remove tabs
Igor Sysoev <igor@sysoev.ru>
parents: 2425
diff changeset
351 default: /* NGX_ERROR */
76925110cdae style fix: remove tabs
Igor Sysoev <igor@sysoev.ru>
parents: 2425
diff changeset
352 goto failed;
76925110cdae style fix: remove tabs
Igor Sysoev <igor@sysoev.ru>
parents: 2425
diff changeset
353 }
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
354
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
355 } else {
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
356 ctx->buffering = 0;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
357 }
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
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
360 if (ctx->preallocated == NULL) {
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
361 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
362 goto failed;
430
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
363 }
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
364 }
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 if (in) {
2536
a6d6d762c554 small optimization: " == NGX_ERROR" > " != NGX_OK"
Igor Sysoev <igor@sysoev.ru>
parents: 2468
diff changeset
367 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
368 goto failed;
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
369 }
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
370 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
371
2287
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
372 if (ctx->nomem) {
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
373
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
374 /* flush busy buffers */
2287
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
375
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
376 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
377 goto failed;
2287
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
378 }
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 cl = NULL;
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
381
4114
5db098f97e0e API change: ngx_chain_update_chains() now requires pool.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3773
diff changeset
382 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
383 (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
384 ctx->nomem = 0;
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
385 }
141
656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 136
diff changeset
386
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
387 for ( ;; ) {
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 134
diff changeset
388
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
389 /* cycle while we can write to a client */
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
390
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
391 for ( ;; ) {
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
392
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
393 /* 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
394
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
395 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
396
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
397 if (rc == NGX_DECLINED) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
398 break;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
399 }
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
400
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
401 if (rc == NGX_AGAIN) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
402 continue;
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
403 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
404
430
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
405
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
406 /* ... 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
407
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
408 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
409
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
410 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
411 break;
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 322
diff changeset
412 }
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 322
diff changeset
413
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
414 if (rc == NGX_ERROR) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
415 goto failed;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
416 }
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
417
479
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
418
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
419 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
420
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
421 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
422 break;
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 322
diff changeset
423 }
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
424
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
425 if (rc == NGX_ERROR) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
426 goto failed;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
427 }
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
428
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
429 /* rc == NGX_AGAIN */
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
430 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
431
1626
7caa66b819df fix gzip and SSL
Igor Sysoev <igor@sysoev.ru>
parents: 1583
diff changeset
432 if (ctx->out == NULL) {
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
433 ngx_http_gzip_filter_free_copy_buf(r, ctx);
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
434
2292
51487a60eba2 fix the previous commit
Igor Sysoev <igor@sysoev.ru>
parents: 2291
diff changeset
435 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
436 }
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
437
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
438 if (!ctx->gzheader) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
439 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
440 goto failed;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
441 }
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
2287
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
444 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
445
2287
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
446 if (rc == NGX_ERROR) {
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
447 goto failed;
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
448 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
449
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
450 ngx_http_gzip_filter_free_copy_buf(r, ctx);
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
451
4114
5db098f97e0e API change: ngx_chain_update_chains() now requires pool.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3773
diff changeset
452 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
453 (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
454 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
455
2287
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
456 ctx->nomem = 0;
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
457
327
e0f3f238db09 nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 326
diff changeset
458 if (ctx->done) {
2287
baa61933d5ed use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents: 2166
diff changeset
459 return rc;
327
e0f3f238db09 nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 326
diff changeset
460 }
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
461 }
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
462
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
463 /* unreachable */
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
464
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
465 failed:
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
466
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
467 ctx->done = 1;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
468
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
469 if (ctx->preallocated) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
470 deflateEnd(&ctx->zstream);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
471
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
472 ngx_pfree(r->pool, ctx->preallocated);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
473 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
474
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
475 ngx_http_gzip_filter_free_copy_buf(r, ctx);
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
476
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
477 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
478 }
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
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
481 static void
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
482 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
483 {
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
484 int wbits, memlevel;
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
485 ngx_http_gzip_conf_t *conf;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
486
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
487 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
488
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
489 wbits = conf->wbits;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
490 memlevel = conf->memlevel;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
491
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
492 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
493
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
494 /* 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
495
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
496 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
497 wbits--;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
498 memlevel--;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
499 }
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
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
502 ctx->wbits = wbits;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
503 ctx->memlevel = memlevel;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
504
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
505 /*
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
506 * 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
507 * 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
508 * 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
509 * 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
510 * 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
511 *
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
512 * 8K is for zlib deflate_state, it takes
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
513 * *) 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
514 * *) 5920 bytes on amd64 and sparc64
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
515 */
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 ctx->allocated = 8192 + (1 << (wbits + 2)) + (1 << (memlevel + 9));
2410
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Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
518 }
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 static ngx_int_t
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
522 ngx_http_gzip_filter_buffer(ngx_http_gzip_ctx_t *ctx, ngx_chain_t *in)
2410
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Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
523 {
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
524 size_t size, buffered;
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
525 ngx_buf_t *b, *buf;
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
526 ngx_chain_t *cl, **ll;
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
527 ngx_http_request_t *r;
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
528 ngx_http_gzip_conf_t *conf;
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
529
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
530 r = ctx->request;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
531
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
532 r->connection->buffered |= NGX_HTTP_GZIP_BUFFERED;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
533
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
534 buffered = 0;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
535 ll = &ctx->in;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
536
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
537 for (cl = ctx->in; cl; cl = cl->next) {
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
538 buffered += cl->buf->last - cl->buf->pos;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
539 ll = &cl->next;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
540 }
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
541
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
542 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
543
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
544 while (in) {
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
545 cl = ngx_alloc_chain_link(r->pool);
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
546 if (cl == NULL) {
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
547 return NGX_ERROR;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
548 }
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 b = in->buf;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
551
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
552 size = b->last - b->pos;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
553 buffered += size;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
554
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
555 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
556 ctx->buffering = 0;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
557 }
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
558
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
559 if (ctx->buffering && size) {
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
560
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
561 buf = ngx_create_temp_buf(r->pool, size);
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
562 if (buf == NULL) {
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
563 return NGX_ERROR;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
564 }
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 buf->last = ngx_cpymem(buf->pos, b->pos, size);
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
567 b->pos = b->last;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
568
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
569 buf->last_buf = b->last_buf;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
570 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
571
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
572 cl->buf = buf;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
573
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
574 } else {
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
575 cl->buf = b;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
576 }
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 *ll = cl;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
579 ll = &cl->next;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
580 in = in->next;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
581 }
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 *ll = NULL;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
584
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
585 return ctx->buffering ? NGX_OK : NGX_DONE;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
586 }
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 static ngx_int_t
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
590 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
591 ngx_http_gzip_ctx_t *ctx)
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
592 {
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
593 int rc;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
594 ngx_http_gzip_conf_t *conf;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
595
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
596 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
597
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
598 ctx->preallocated = ngx_palloc(r->pool, ctx->allocated);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
599 if (ctx->preallocated == NULL) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
600 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
601 }
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 ctx->free_mem = ctx->preallocated;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
604
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
605 ctx->zstream.zalloc = ngx_http_gzip_filter_alloc;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
606 ctx->zstream.zfree = ngx_http_gzip_filter_free;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
607 ctx->zstream.opaque = ctx;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
608
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
609 rc = deflateInit2(&ctx->zstream, (int) conf->level, Z_DEFLATED,
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
610 - ctx->wbits, ctx->memlevel, Z_DEFAULT_STRATEGY);
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
611
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
612 if (rc != Z_OK) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
613 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
614 "deflateInit2() failed: %d", rc);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
615 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
616 }
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 ctx->last_out = &ctx->out;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
619 ctx->crc32 = crc32(0L, Z_NULL, 0);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
620 ctx->flush = Z_NO_FLUSH;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
621
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
622 return NGX_OK;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
623 }
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 static ngx_int_t
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
627 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
628 {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
629 ngx_buf_t *b;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
630 ngx_chain_t *cl;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
631 static u_char gzheader[10] =
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
632 { 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
633
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
634 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
635 if (b == NULL) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
636 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
637 }
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 b->memory = 1;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
640 b->pos = gzheader;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
641 b->last = b->pos + 10;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
642
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
643 cl = ngx_alloc_chain_link(r->pool);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
644 if (cl == NULL) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
645 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
646 }
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 cl->buf = b;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
649 cl->next = ctx->out;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
650 ctx->out = cl;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
651
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
652 ctx->gzheader = 1;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
653
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
654 return NGX_OK;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
655 }
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 static ngx_int_t
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
659 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
660 {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
661 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
662 return NGX_OK;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
663 }
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 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
666 "gzip in: %p", ctx->in);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
667
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
668 if (ctx->in == NULL) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
669 return NGX_DECLINED;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
670 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
671
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
672 if (ctx->copy_buf) {
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
673
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 * 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
676 * but postpone free()ing after zlib compressing and data output
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
677 */
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 ctx->copy_buf->next = ctx->copied;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
680 ctx->copied = ctx->copy_buf;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
681 ctx->copy_buf = NULL;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
682 }
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
683
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
684 ctx->in_buf = ctx->in->buf;
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
685
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
686 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
687 ctx->copy_buf = ctx->in;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
688 }
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
689
2291
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
690 ctx->in = ctx->in->next;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
691
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
692 ctx->zstream.next_in = ctx->in_buf->pos;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
693 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
694
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
695 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
696 "gzip in_buf:%p ni:%p ai:%ud",
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
697 ctx->in_buf,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
698 ctx->zstream.next_in, ctx->zstream.avail_in);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
699
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
700 if (ctx->in_buf->last_buf) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
701 ctx->flush = Z_FINISH;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
702
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
703 } else if (ctx->in_buf->flush) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
704 ctx->flush = Z_SYNC_FLUSH;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
705 }
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 if (ctx->zstream.avail_in) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
708
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
709 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
710 ctx->zstream.avail_in);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
711
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
712 } else if (ctx->flush == Z_NO_FLUSH) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
713 return NGX_AGAIN;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
714 }
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 return NGX_OK;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
717 }
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 static ngx_int_t
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
721 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
722 {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
723 ngx_http_gzip_conf_t *conf;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
724
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
725 if (ctx->zstream.avail_out) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
726 return NGX_OK;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
727 }
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 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
730
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
731 if (ctx->free) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
732 ctx->out_buf = ctx->free->buf;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
733 ctx->free = ctx->free->next;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
734
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
735 } else if (ctx->bufs < conf->bufs.num) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
736
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
737 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
738 if (ctx->out_buf == NULL) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
739 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
740 }
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 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
743 ctx->out_buf->recycled = 1;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
744 ctx->bufs++;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
745
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
746 } else {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
747 ctx->nomem = 1;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
748 return NGX_DECLINED;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
749 }
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 ctx->zstream.next_out = ctx->out_buf->pos;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
752 ctx->zstream.avail_out = conf->bufs.size;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
753
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
754 return NGX_OK;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
755 }
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 static ngx_int_t
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
759 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
760 {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
761 int rc;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
762 ngx_chain_t *cl;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
763 ngx_http_gzip_conf_t *conf;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
764
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
765 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
766 "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
767 ctx->zstream.next_in, ctx->zstream.next_out,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
768 ctx->zstream.avail_in, ctx->zstream.avail_out,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
769 ctx->flush, ctx->redo);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
770
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
771 rc = deflate(&ctx->zstream, ctx->flush);
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 if (rc != Z_OK && rc != Z_STREAM_END) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
774 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
775 "deflate() failed: %d, %d", ctx->flush, rc);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
776 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
777 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
778
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
779 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
780 "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
781 ctx->zstream.next_in, ctx->zstream.next_out,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
782 ctx->zstream.avail_in, ctx->zstream.avail_out,
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
783 rc);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
784
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
785 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
786 "gzip in_buf:%p pos:%p",
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
787 ctx->in_buf, ctx->in_buf->pos);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
788
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
789 if (ctx->zstream.next_in) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
790 ctx->in_buf->pos = ctx->zstream.next_in;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
791
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
792 if (ctx->zstream.avail_in == 0) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
793 ctx->zstream.next_in = NULL;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
794 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
795 }
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 ctx->out_buf->last = ctx->zstream.next_out;
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 if (ctx->zstream.avail_out == 0) {
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 /* zlib wants to output some more gzipped data */
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 cl = ngx_alloc_chain_link(r->pool);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
804 if (cl == NULL) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
805 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
806 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
807
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
808 cl->buf = ctx->out_buf;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
809 cl->next = NULL;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
810 *ctx->last_out = cl;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
811 ctx->last_out = &cl->next;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
812
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
813 ctx->redo = 1;
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 return NGX_AGAIN;
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
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
818 ctx->redo = 0;
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 if (ctx->flush == Z_SYNC_FLUSH) {
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 ctx->zstream.avail_out = 0;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
823 ctx->out_buf->flush = 1;
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
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
831 cl->buf = ctx->out_buf;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
832 cl->next = NULL;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
833 *ctx->last_out = cl;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
834 ctx->last_out = &cl->next;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
835
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
836 return NGX_OK;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
837 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
838
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
839 if (rc == Z_STREAM_END) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
840
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
841 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
842 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
843 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
844
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
845 return NGX_OK;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
846 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
847
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
848 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
849
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
850 if (conf->no_buffer && ctx->in == NULL) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
851
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
852 cl = ngx_alloc_chain_link(r->pool);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
853 if (cl == NULL) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
854 return NGX_ERROR;
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
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
857 cl->buf = ctx->out_buf;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
858 cl->next = NULL;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
859 *ctx->last_out = cl;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
860 ctx->last_out = &cl->next;
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 return NGX_OK;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
863 }
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 return NGX_AGAIN;
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
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
868
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
869 static ngx_int_t
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
870 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
871 ngx_http_gzip_ctx_t *ctx)
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
872 {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
873 int rc;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
874 ngx_buf_t *b;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
875 ngx_chain_t *cl;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
876 struct gztrailer *trailer;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
877
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
878 ctx->zin = ctx->zstream.total_in;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
879 ctx->zout = 10 + ctx->zstream.total_out + 8;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
880
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
881 rc = deflateEnd(&ctx->zstream);
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 if (rc != Z_OK) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
884 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
885 "deflateEnd() failed: %d", rc);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
886 return NGX_ERROR;
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
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
889 ngx_pfree(r->pool, ctx->preallocated);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
890
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
891 cl = ngx_alloc_chain_link(r->pool);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
892 if (cl == NULL) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
893 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
894 }
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 cl->buf = ctx->out_buf;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
897 cl->next = NULL;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
898 *ctx->last_out = cl;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
899 ctx->last_out = &cl->next;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
900
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
901 if (ctx->zstream.avail_out >= 8) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
902 trailer = (struct gztrailer *) ctx->out_buf->last;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
903 ctx->out_buf->last += 8;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
904 ctx->out_buf->last_buf = 1;
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 } else {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
907 b = ngx_create_temp_buf(r->pool, 8);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
908 if (b == NULL) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
909 return NGX_ERROR;
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
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
912 b->last_buf = 1;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
913
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
914 cl = ngx_alloc_chain_link(r->pool);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
915 if (cl == NULL) {
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
916 return NGX_ERROR;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
917 }
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
918
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
919 cl->buf = b;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
920 cl->next = NULL;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
921 *ctx->last_out = cl;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
922 ctx->last_out = &cl->next;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
923 trailer = (struct gztrailer *) b->pos;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
924 b->last += 8;
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 #if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED)
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 trailer->crc32 = ctx->crc32;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
930 trailer->zlen = ctx->zin;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
931
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
932 #else
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 trailer->crc32[0] = (u_char) (ctx->crc32 & 0xff);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
935 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
936 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
937 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
938
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
939 trailer->zlen[0] = (u_char) (ctx->zin & 0xff);
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
940 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
941 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
942 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
943
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
944 #endif
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
945
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
946 ctx->zstream.avail_in = 0;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
947 ctx->zstream.avail_out = 0;
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 ctx->done = 1;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
950
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
951 r->connection->buffered &= ~NGX_HTTP_GZIP_BUFFERED;
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
952
e9a1cddf2aaa *) split ngx_http_gzip_body_filter()
Igor Sysoev <igor@sysoev.ru>
parents: 2290
diff changeset
953 return NGX_OK;
133
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
954 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
955
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
956
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
957 static void *
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
958 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
959 {
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
960 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
961
294
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
962 void *p;
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
963 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
964
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
965 alloc = items * size;
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
966
2425
3d60d55b9ad0 do not try to align to a page size, allocate just 8K,
Igor Sysoev <igor@sysoev.ru>
parents: 2412
diff changeset
967 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
968
346
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 344
diff changeset
969 /*
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
970 * 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
971 * 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
972 */
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
973
2425
3d60d55b9ad0 do not try to align to a page size, allocate just 8K,
Igor Sysoev <igor@sysoev.ru>
parents: 2412
diff changeset
974 alloc = 8192;
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
975 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
976
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
977 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
978 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
979 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
980 ctx->allocated -= alloc;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
981
257
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
982 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
983 "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
984 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
985
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
986 return p;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
987 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
988
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
989 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
990 "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
991 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
992
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
993 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
994
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
995 return p;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
996 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
997
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
998
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
999 static void
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
1000 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
1001 {
282
30310107dbc9 nginx-0.0.2-2004-03-09-22:47:07 import
Igor Sysoev <igor@sysoev.ru>
parents: 265
diff changeset
1002 #if 0
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1003 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
1004
257
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
1005 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
1006 "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
1007 #endif
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1008 }
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
2410
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1011 static void
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1012 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
1013 ngx_http_gzip_ctx_t *ctx)
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1014 {
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1015 ngx_chain_t *cl;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1016
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1017 for (cl = ctx->copied; cl; cl = cl->next) {
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1018 ngx_pfree(r->pool, cl->buf->start);
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1019 }
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1020
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1021 ctx->copied = NULL;
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1022 }
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1023
bbfaeb220e90 postpone zlib memory allocation
Igor Sysoev <igor@sysoev.ru>
parents: 2292
diff changeset
1024
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
1025 static ngx_int_t
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1026 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
1027 {
880
3b763d36e055 axe old % log format
Igor Sysoev <igor@sysoev.ru>
parents: 681
diff changeset
1028 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
1029
583
4e296b7d25bf nginx-0.3.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
1030 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
1031 if (var == NULL) {
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1032 return NGX_ERROR;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1033 }
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1034
637
e60fe4cf1d4e nginx-0.3.40-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 597
diff changeset
1035 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
1036
177
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
1037 return NGX_OK;
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
1038 }
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
1039
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 166
diff changeset
1040
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
1041 static ngx_int_t
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1042 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
1043 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
1044 {
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1045 ngx_uint_t zint, zfrac;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1046 ngx_http_gzip_ctx_t *ctx;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1047
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 573
diff changeset
1048 v->valid = 1;
1565
4c43e25d11ea fix English grammar
Igor Sysoev <igor@sysoev.ru>
parents: 1554
diff changeset
1049 v->no_cacheable = 0;
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1050 v->not_found = 0;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1051
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1052 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
1053
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1054 if (ctx == NULL || ctx->zout == 0) {
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1055 v->not_found = 1;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1056 return NGX_OK;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1057 }
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1058
2049
2a92804f4109 *) back out r2040
Igor Sysoev <igor@sysoev.ru>
parents: 1790
diff changeset
1059 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
1060 if (v->data == NULL) {
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1061 return NGX_ERROR;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1062 }
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1063
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1064 zint = (ngx_uint_t) (ctx->zin / ctx->zout);
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1065 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
1066
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1067 if ((ctx->zin * 1000 / ctx->zout) % 10 > 4) {
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 /* 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
1070
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1071 zfrac++;
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 if (zfrac > 99) {
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1074 zint++;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1075 zfrac = 0;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1076 }
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 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
1080
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1081 return NGX_OK;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
1082 }
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
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
1085 static void *
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
1086 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
1087 {
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1088 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
1089
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
1090 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
1091 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
1092 return NULL;
430
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
1093 }
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1094
430
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
1095 /*
479
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
1096 * set by ngx_pcalloc():
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
1097 *
c52408583801 nginx-0.1.14-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
1098 * 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
1099 * conf->types = { NULL };
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents: 2051
diff changeset
1100 * 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
1101 */
320
d621239c30f7 nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 319
diff changeset
1102
134
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1103 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
1104 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
1105
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
1106 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
1107 conf->level = NGX_CONF_UNSET;
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
1108 conf->wbits = NGX_CONF_UNSET_SIZE;
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
1109 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
1110 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
1111
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1112 return conf;
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1113 }
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1114
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1115
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
1116 static char *
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
1117 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
1118 {
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1119 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
1120 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
1121
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 133
diff changeset
1122 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
1123 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
1124
2412
086c20fe2e97 set default gzip_buffers to 32 4k or 16 8k
Igor Sysoev <igor@sysoev.ru>
parents: 2410
diff changeset
1125 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
1126 (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
1127
2542
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411
Igor Sysoev <igor@sysoev.ru>
parents: 2536
diff changeset
1128 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
1129 0);
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1130 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
1131 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
1132 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
1133 MAX_MEM_LEVEL - 1);
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 573
diff changeset
1134 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
1135
3372
6b8e5c882e47 support "*" in gzip_types, ssi_types, etc
Igor Sysoev <igor@sysoev.ru>
parents: 3314
diff changeset
1136 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
1137 &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
1138 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
1139 != NGX_OK)
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents: 2051
diff changeset
1140 {
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents: 2051
diff changeset
1141 return NGX_CONF_ERROR;
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
1142 }
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
1143
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
1144 return NGX_CONF_OK;
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
1145 }
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
1146
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
1147
681
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
1148 static ngx_int_t
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
1149 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
1150 {
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
1151 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
1152 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
1153
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
1154 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
1155 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
1156
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
1157 return NGX_OK;
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
1158 }
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
1159
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
1160
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
1161 static char *
527
7fa11e5c6e96 nginx-0.1.38-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 513
diff changeset
1162 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
1163 {
2290
1a7567e5b988 change int to size_t
Igor Sysoev <igor@sysoev.ru>
parents: 2288
diff changeset
1164 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
1165
2290
1a7567e5b988 change int to size_t
Igor Sysoev <igor@sysoev.ru>
parents: 2288
diff changeset
1166 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
1167
430
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
1168 wbits = 15;
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1169
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1170 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
1171
158
d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 157
diff changeset
1172 if (wsize == *np) {
d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 157
diff changeset
1173 *np = wbits;
430
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
1174
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
1175 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
1176 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1177
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1178 wbits--;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1179 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1180
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1181 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
1182 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1183
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1184
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 489
diff changeset
1185 static char *
527
7fa11e5c6e96 nginx-0.1.38-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 513
diff changeset
1186 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
1187 {
2290
1a7567e5b988 change int to size_t
Igor Sysoev <igor@sysoev.ru>
parents: 2288
diff changeset
1188 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
1189
2290
1a7567e5b988 change int to size_t
Igor Sysoev <igor@sysoev.ru>
parents: 2288
diff changeset
1190 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
1191
430
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
1192 memlevel = 9;
156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1193
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1194 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
1195
158
d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 157
diff changeset
1196 if (hsize == *np) {
d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 157
diff changeset
1197 *np = memlevel;
430
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
1198
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 416
diff changeset
1199 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
1200 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1201
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1202 memlevel--;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1203 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1204
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
1205 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
1206 }