nginx: src/http/modules/ngx_http_gzip_filter

annotate src/http/modules/ngx_http_gzip_filter_module.c @ 2410:bbfaeb220e90

postpone zlib memory allocation

author	Igor Sysoev <igor@sysoev.ru>
date	Tue, 16 Dec 2008 16:09:39 +0000
parents	51487a60eba2
children	086c20fe2e97

rev	line source
441 da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files Igor Sysoev <igor@sysoev.ru> parents: 433 diff changeset	1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files Igor Sysoev <igor@sysoev.ru> parents: 433 diff changeset	2 /*
444 42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright Igor Sysoev <igor@sysoev.ru> parents: 441 diff changeset	3 * Copyright (C) Igor Sysoev
441 da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files Igor Sysoev <igor@sysoev.ru> parents: 433 diff changeset	4 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files Igor Sysoev <igor@sysoev.ru> parents: 433 diff changeset	5
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	6
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	7 #include <ngx_config.h>
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	8 #include <ngx_core.h>
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	9 #include <ngx_http.h>
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	10
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	11 #include <zlib.h>
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	12
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	13
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	14 typedef struct {
290 87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import Igor Sysoev <igor@sysoev.ru> parents: 289 diff changeset	15 ngx_flag_t enable;
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import Igor Sysoev <igor@sysoev.ru> parents: 289 diff changeset	16 ngx_flag_t no_buffer;
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import Igor Sysoev <igor@sysoev.ru> parents: 289 diff changeset	17
2166 723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2051 diff changeset	18 ngx_hash_t types;
452 23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	19
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	20 ngx_bufs_t bufs;
290 87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import Igor Sysoev <igor@sysoev.ru> parents: 289 diff changeset	21
589 d4e858a5751a nginx-0.3.16-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 583 diff changeset	22 ngx_int_t level;
319 7a8ebba985a9 nginx-0.0.3-2004-04-16-19:27:31 import Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	23 size_t wbits;
7a8ebba985a9 nginx-0.0.3-2004-04-16-19:27:31 import Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	24 size_t memlevel;
335 d4241d7787fe nginx-0.0.3-2004-05-14-20:51:47 import Igor Sysoev <igor@sysoev.ru> parents: 327 diff changeset	25 ssize_t min_length;
2166 723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2051 diff changeset	26
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2051 diff changeset	27 ngx_array_t *types_keys;
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	28 } ngx_http_gzip_conf_t;
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	29
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	30
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	31 typedef struct {
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	32 ngx_chain_t *in;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	33 ngx_chain_t *free;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	34 ngx_chain_t *busy;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	35 ngx_chain_t *out;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	36 ngx_chain_t **last_out;
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	37
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	38 ngx_chain_t *copied;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	39 ngx_chain_t *copy_buf;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	40
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 335 diff changeset	41 ngx_buf_t *in_buf;
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 335 diff changeset	42 ngx_buf_t *out_buf;
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 335 diff changeset	43 ngx_int_t bufs;
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	44
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	45 void *preallocated;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	46 char *free_mem;
294 5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import Igor Sysoev <igor@sysoev.ru> parents: 292 diff changeset	47 ngx_uint_t allocated;
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	48
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	49 int wbits;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	50 int memlevel;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	51
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	52 unsigned flush:4;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	53 unsigned redo:1;
430 1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	54 unsigned done:1;
2287 baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	55 unsigned nomem:1;
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	56 unsigned gzheader:1;
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	57 unsigned buffering:1;
177 4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 166 diff changeset	58
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 166 diff changeset	59 size_t zin;
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 166 diff changeset	60 size_t zout;
135 e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import Igor Sysoev <igor@sysoev.ru> parents: 134 diff changeset	61
290 87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import Igor Sysoev <igor@sysoev.ru> parents: 289 diff changeset	62 uint32_t crc32;
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	63 z_stream zstream;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	64 ngx_http_request_t *request;
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	65 } ngx_http_gzip_ctx_t;
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	66
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	67
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	68 #if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED)
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	69
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	70 struct gztrailer {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	71 uint32_t crc32;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	72 uint32_t zlen;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	73 };
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	74
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	75 #else /* NGX_HAVE_BIG_ENDIAN \|\| !NGX_HAVE_NONALIGNED */
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	76
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	77 struct gztrailer {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	78 u_char crc32[4];
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	79 u_char zlen[4];
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	80 };
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	81
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	82 #endif
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	83
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	84
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	85 static void ngx_http_gzip_filter_memory(ngx_http_request_t *r,
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	86 ngx_http_gzip_ctx_t *ctx);
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	87 static ngx_int_t ngx_http_gzip_filter_copy_recycled(ngx_http_gzip_ctx_t *ctx,
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	88 ngx_chain_t *in);
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	89 static ngx_int_t ngx_http_gzip_filter_deflate_start(ngx_http_request_t *r,
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	90 ngx_http_gzip_ctx_t *ctx);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	91 static ngx_int_t ngx_http_gzip_filter_gzheader(ngx_http_request_t *r,
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	92 ngx_http_gzip_ctx_t *ctx);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	93 static ngx_int_t ngx_http_gzip_filter_add_data(ngx_http_request_t *r,
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	94 ngx_http_gzip_ctx_t *ctx);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	95 static ngx_int_t ngx_http_gzip_filter_get_buf(ngx_http_request_t *r,
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	96 ngx_http_gzip_ctx_t *ctx);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	97 static ngx_int_t ngx_http_gzip_filter_deflate(ngx_http_request_t *r,
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	98 ngx_http_gzip_ctx_t *ctx);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	99 static ngx_int_t ngx_http_gzip_filter_deflate_end(ngx_http_request_t *r,
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	100 ngx_http_gzip_ctx_t *ctx);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	101
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	102 static void ngx_http_gzip_filter_alloc(void opaque, u_int items,
497 d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	103 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	104 static void ngx_http_gzip_filter_free(void opaque, void address);
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	105 static void ngx_http_gzip_filter_free_copy_buf(ngx_http_request_t *r,
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	106 ngx_http_gzip_ctx_t *ctx);
177 4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 166 diff changeset	107
573 58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	108 static ngx_int_t ngx_http_gzip_add_variables(ngx_conf_t *cf);
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	109 static ngx_int_t ngx_http_gzip_ratio_variable(ngx_http_request_t *r,
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	110 ngx_http_variable_value_t *v, uintptr_t data);
479 c52408583801 nginx-0.1.14-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	111
681 7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 663 diff changeset	112 static ngx_int_t ngx_http_gzip_filter_init(ngx_conf_t *cf);
134 d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	113 static void ngx_http_gzip_create_conf(ngx_conf_t cf);
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	114 static char ngx_http_gzip_merge_conf(ngx_conf_t cf,
497 d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	115 void parent, void child);
527 7fa11e5c6e96 nginx-0.1.38-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 513 diff changeset	116 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	117 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	118
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	119
158 d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import Igor Sysoev <igor@sysoev.ru> parents: 157 diff changeset	120 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	121 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	122 };
d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import Igor Sysoev <igor@sysoev.ru> parents: 157 diff changeset	123
527 7fa11e5c6e96 nginx-0.1.38-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 513 diff changeset	124 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	125 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	126
134 d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	127
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	128 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	129
239 574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import Igor Sysoev <igor@sysoev.ru> parents: 177 diff changeset	130 { ngx_string("gzip"),
485 4ebe09b07e30 nginx-0.1.17-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 483 diff changeset	131 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	132 \|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	133 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	134 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	135 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	136 NULL },
134 d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	137
239 574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import Igor Sysoev <igor@sysoev.ru> parents: 177 diff changeset	138 { 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	139 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	140 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	141 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	142 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	143 NULL },
134 d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	144
452 23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	145 { ngx_string("gzip_types"),
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	146 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	147 ngx_http_types_slot,
452 23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	148 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	149 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	150 &ngx_http_html_default_types[0] },
452 23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	151
239 574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import Igor Sysoev <igor@sysoev.ru> parents: 177 diff changeset	152 { 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	153 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	154 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	155 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	156 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	157 &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	158
239 574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import Igor Sysoev <igor@sysoev.ru> parents: 177 diff changeset	159 { 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	160 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	161 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	162 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	163 offsetof(ngx_http_gzip_conf_t, wbits),
527 7fa11e5c6e96 nginx-0.1.38-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 513 diff changeset	164 &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	165
239 574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import Igor Sysoev <igor@sysoev.ru> parents: 177 diff changeset	166 { 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	167 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	168 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	169 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	170 offsetof(ngx_http_gzip_conf_t, memlevel),
527 7fa11e5c6e96 nginx-0.1.38-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 513 diff changeset	171 &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	172
239 574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import Igor Sysoev <igor@sysoev.ru> parents: 177 diff changeset	173 { 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	174 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	175 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	176 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	177 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	178 NULL },
134 d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	179
320 d621239c30f7 nginx-0.0.3-2004-04-18-23:06:02 import Igor Sysoev <igor@sysoev.ru> parents: 319 diff changeset	180 { 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	181 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	182 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	183 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	184 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	185 NULL },
314 d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	186
239 574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import Igor Sysoev <igor@sysoev.ru> parents: 177 diff changeset	187 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	188 };
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	189
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	190
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	191 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	192 ngx_http_gzip_add_variables, /* preconfiguration */
681 7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 663 diff changeset	193 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	194
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	195 NULL, /* create main configuration */
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	196 NULL, /* init main configuration */
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	197
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	198 NULL, /* create server configuration */
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	199 NULL, /* merge server configuration */
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	200
134 d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	201 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	202 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	203 };
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	204
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	205
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	206 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	207 NGX_MODULE_V1,
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	208 &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	209 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	210 NGX_HTTP_MODULE, /* module type */
541 b09ee85d0ac8 nginx-0.1.45-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 529 diff changeset	211 NULL, /* init master */
681 7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 663 diff changeset	212 NULL, /* init module */
541 b09ee85d0ac8 nginx-0.1.45-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 529 diff changeset	213 NULL, /* init process */
b09ee85d0ac8 nginx-0.1.45-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 529 diff changeset	214 NULL, /* init thread */
b09ee85d0ac8 nginx-0.1.45-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 529 diff changeset	215 NULL, /* exit thread */
b09ee85d0ac8 nginx-0.1.45-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 529 diff changeset	216 NULL, /* exit process */
b09ee85d0ac8 nginx-0.1.45-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 529 diff changeset	217 NULL, /* exit master */
b09ee85d0ac8 nginx-0.1.45-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 529 diff changeset	218 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	219 };
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	220
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	221
573 58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	222 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	223
155 46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import Igor Sysoev <igor@sysoev.ru> parents: 154 diff changeset	224 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	225 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	226
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	227
497 d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	228 static ngx_int_t
d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	229 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	230 {
2051 115e6f029fcc "gzip_vary on" always sends "Vary: Accept-Encoding" header Igor Sysoev <igor@sysoev.ru> parents: 2049 diff changeset	231 ngx_table_elt_t *h;
115e6f029fcc "gzip_vary on" always sends "Vary: Accept-Encoding" header Igor Sysoev <igor@sysoev.ru> parents: 2049 diff changeset	232 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	233 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	234
135 e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import Igor Sysoev <igor@sysoev.ru> parents: 134 diff changeset	235 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	236
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import Igor Sysoev <igor@sysoev.ru> parents: 134 diff changeset	237 if (!conf->enable
452 23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	238 \|\| (r->headers_out.status != NGX_HTTP_OK
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	239 && r->headers_out.status != NGX_HTTP_FORBIDDEN
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	240 && r->headers_out.status != NGX_HTTP_NOT_FOUND)
134 d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	241 \|\| r->header_only
135 e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import Igor Sysoev <igor@sysoev.ru> parents: 134 diff changeset	242 \|\| (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	243 && 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	244 \|\| (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	245 && r->headers_out.content_length_n < conf->min_length)
2166 723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2051 diff changeset	246 \|\| ngx_http_test_content_type(r, &conf->types) == NULL
1790 775edc46ee66 ngx_http_gzip_static_module and gzip_disable Igor Sysoev <igor@sysoev.ru> parents: 1626 diff changeset	247 \|\| ngx_http_gzip_ok(r) != NGX_OK)
134 d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	248 {
155 46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import Igor Sysoev <igor@sysoev.ru> parents: 154 diff changeset	249 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	250 }
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	251
501 d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 497 diff changeset	252 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	253 if (ctx == NULL) {
d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 497 diff changeset	254 return NGX_ERROR;
d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 497 diff changeset	255 }
314 d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	256
501 d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 497 diff changeset	257 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	258
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	259 ctx->request = r;
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	260 ctx->buffering = 1;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	261
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	262 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	263
1790 775edc46ee66 ngx_http_gzip_static_module and gzip_disable Igor Sysoev <igor@sysoev.ru> parents: 1626 diff changeset	264 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	265 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	266 return NGX_ERROR;
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import Igor Sysoev <igor@sysoev.ru> parents: 160 diff changeset	267 }
135 e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import Igor Sysoev <igor@sysoev.ru> parents: 134 diff changeset	268
1790 775edc46ee66 ngx_http_gzip_static_module and gzip_disable Igor Sysoev <igor@sysoev.ru> parents: 1626 diff changeset	269 h->hash = 1;
775edc46ee66 ngx_http_gzip_static_module and gzip_disable Igor Sysoev <igor@sysoev.ru> parents: 1626 diff changeset	270 h->key.len = sizeof("Content-Encoding") - 1;
775edc46ee66 ngx_http_gzip_static_module and gzip_disable Igor Sysoev <igor@sysoev.ru> parents: 1626 diff changeset	271 h->key.data = (u_char *) "Content-Encoding";
775edc46ee66 ngx_http_gzip_static_module and gzip_disable Igor Sysoev <igor@sysoev.ru> parents: 1626 diff changeset	272 h->value.len = sizeof("gzip") - 1;
775edc46ee66 ngx_http_gzip_static_module and gzip_disable Igor Sysoev <igor@sysoev.ru> parents: 1626 diff changeset	273 h->value.data = (u_char *) "gzip";
1583 45cbc1aa8652 gzip_vary Igor Sysoev <igor@sysoev.ru> parents: 1565 diff changeset	274
1790 775edc46ee66 ngx_http_gzip_static_module and gzip_disable Igor Sysoev <igor@sysoev.ru> parents: 1626 diff changeset	275 r->headers_out.content_encoding = h;
775edc46ee66 ngx_http_gzip_static_module and gzip_disable Igor Sysoev <igor@sysoev.ru> parents: 1626 diff changeset	276
513 fbbf16224844 nginx-0.1.31-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 509 diff changeset	277 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	278
577 4d9ea73a627a nginx-0.3.10-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 573 diff changeset	279 ngx_http_clear_content_length(r);
4d9ea73a627a nginx-0.3.10-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 573 diff changeset	280 ngx_http_clear_accept_ranges(r);
4d9ea73a627a nginx-0.3.10-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 573 diff changeset	281
155 46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import Igor Sysoev <igor@sysoev.ru> parents: 154 diff changeset	282 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	283 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	284
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	285
497 d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	286 static ngx_int_t
d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	287 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	288 {
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	289 int rc;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	290 ngx_chain_t *cl;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	291 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	292
243 bf2faf694c19 nginx-0.0.1-2004-01-28-23:38:54 import Igor Sysoev <igor@sysoev.ru> parents: 239 diff changeset	293 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	294
243 bf2faf694c19 nginx-0.0.1-2004-01-28-23:38:54 import Igor Sysoev <igor@sysoev.ru> parents: 239 diff changeset	295 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	296 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	297 }
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 166 diff changeset	298
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	299 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	300 "http gzip filter");
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	301
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	302 if (ctx->buffering) {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	303
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	304 if (in) {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	305 switch (ngx_http_gzip_filter_copy_recycled(ctx, in)) {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	306
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	307 case NGX_OK:
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	308 return NGX_OK;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	309
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	310 case NGX_DONE:
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	311 in = NULL;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	312 break;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	313
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	314 default: /* NGX_ERROR */
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	315 goto failed;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	316 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	317
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	318 } else {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	319 ctx->buffering = 0;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	320 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	321 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	322
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	323 if (ctx->preallocated == NULL) {
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	324 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	325 goto failed;
430 1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	326 }
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	327 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	328
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	329 if (in) {
134 d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	330 if (ngx_chain_add_copy(r->pool, &ctx->in, in) == NGX_ERROR) {
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	331 goto failed;
134 d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	332 }
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	333 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	334
2287 baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	335 if (ctx->nomem) {
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	336
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	337 /* flush busy buffers */
2287 baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	338
baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	339 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	340 goto failed;
2287 baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	341 }
baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	342
baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	343 cl = NULL;
baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	344
baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	345 ngx_chain_update_chains(&ctx->free, &ctx->busy, &cl,
baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	346 (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	347 ctx->nomem = 0;
baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	348 }
141 656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import Igor Sysoev <igor@sysoev.ru> parents: 136 diff changeset	349
135 e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import Igor Sysoev <igor@sysoev.ru> parents: 134 diff changeset	350 for ( ;; ) {
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import Igor Sysoev <igor@sysoev.ru> parents: 134 diff changeset	351
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	352 /* cycle while we can write to a client */
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	353
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	354 for ( ;; ) {
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	355
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	356 /* 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	357
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	358 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	359
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	360 if (rc == NGX_DECLINED) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	361 break;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	362 }
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	363
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	364 if (rc == NGX_AGAIN) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	365 continue;
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	366 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	367
430 1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	368
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	369 /* ... 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	370
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	371 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	372
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	373 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	374 break;
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import Igor Sysoev <igor@sysoev.ru> parents: 322 diff changeset	375 }
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import Igor Sysoev <igor@sysoev.ru> parents: 322 diff changeset	376
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	377 if (rc == NGX_ERROR) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	378 goto failed;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	379 }
134 d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	380
479 c52408583801 nginx-0.1.14-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	381
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	382 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	383
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	384 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	385 break;
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import Igor Sysoev <igor@sysoev.ru> parents: 322 diff changeset	386 }
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	387
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	388 if (rc == NGX_ERROR) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	389 goto failed;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	390 }
501 d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 497 diff changeset	391
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	392 /* rc == NGX_AGAIN */
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	393 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	394
1626 7caa66b819df fix gzip and SSL Igor Sysoev <igor@sysoev.ru> parents: 1583 diff changeset	395 if (ctx->out == NULL) {
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	396 ngx_http_gzip_filter_free_copy_buf(r, ctx);
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	397
2292 51487a60eba2 fix the previous commit Igor Sysoev <igor@sysoev.ru> parents: 2291 diff changeset	398 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	399 }
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	400
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	401 if (!ctx->gzheader) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	402 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	403 goto failed;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	404 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	405 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	406
2287 baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	407 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	408
2287 baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	409 if (rc == NGX_ERROR) {
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	410 goto failed;
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	411 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	412
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	413 ngx_http_gzip_filter_free_copy_buf(r, ctx);
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	414
154 eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import Igor Sysoev <igor@sysoev.ru> parents: 153 diff changeset	415 ngx_chain_update_chains(&ctx->free, &ctx->busy, &ctx->out,
501 d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 497 diff changeset	416 (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	417 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	418
2287 baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	419 ctx->nomem = 0;
baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	420
327 e0f3f238db09 nginx-0.0.3-2004-04-26-17:40:01 import Igor Sysoev <igor@sysoev.ru> parents: 326 diff changeset	421 if (ctx->done) {
2287 baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	422 return rc;
327 e0f3f238db09 nginx-0.0.3-2004-04-26-17:40:01 import Igor Sysoev <igor@sysoev.ru> parents: 326 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
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	426 /* unreachable */
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	427
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	428 failed:
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	429
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	430 ctx->done = 1;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	431
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	432 if (ctx->preallocated) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	433 deflateEnd(&ctx->zstream);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	434
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	435 ngx_pfree(r->pool, ctx->preallocated);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	436 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	437
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	438 ngx_http_gzip_filter_free_copy_buf(r, ctx);
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	439
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	440 return NGX_ERROR;
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
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	444 static void
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	445 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	446 {
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	447 int wbits, memlevel;
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	448 ngx_http_gzip_conf_t *conf;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	449
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	450 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	451
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	452 wbits = conf->wbits;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	453 memlevel = conf->memlevel;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	454
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	455 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	456
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	457 /* 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	458
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	459 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	460 wbits--;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	461 memlevel--;
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 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	464
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	465 ctx->wbits = wbits;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	466 ctx->memlevel = memlevel;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	467
2291 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 * 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	470 * 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	471 * 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	472 * 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	473 * 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	474 *
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	475 * 8K is for zlib deflate_state, it takes
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	476 * *) 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	477 * *) 5920 bytes on amd64 and sparc64
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 ctx->allocated = 8192 + (1 << (wbits + 2)) + (1 << (memlevel + 9));
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	481 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	482
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	483
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	484 static ngx_int_t
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	485 ngx_http_gzip_filter_copy_recycled(ngx_http_gzip_ctx_t ctx, ngx_chain_t in)
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	486 {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	487 size_t size, buffered;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	488 ngx_buf_t b, buf;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	489 ngx_chain_t cl, *ll;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	490 ngx_http_request_t *r;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	491
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	492 r = ctx->request;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	493
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	494 r->connection->buffered \|= NGX_HTTP_GZIP_BUFFERED;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	495
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	496 buffered = 0;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	497 ll = &ctx->in;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	498
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	499 for (cl = ctx->in; cl; cl = cl->next) {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	500 buffered += cl->buf->last - cl->buf->pos;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	501 ll = &cl->next;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	502 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	503
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	504 while (in) {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	505 cl = ngx_alloc_chain_link(r->pool);
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	506 if (cl == NULL) {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	507 return NGX_ERROR;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	508 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	509
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	510 b = in->buf;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	511
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	512 size = b->last - b->pos;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	513 buffered += size;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	514
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	515 if (b->flush \|\| b->last_buf) {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	516 ctx->buffering = 0;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	517
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	518 } else if (buffered > ctx->allocated / 2) {
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 * With default memory settings zlib starts to output gzipped data
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	522 * only after it has got about 90K, so it makes sense to allocate
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	523 * zlib memory (200-400K) only after we have enough data
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	524 * to compress. Although we copy recycled buffers, nevertheless
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	525 * for responses up to 120K this allows to allocate zlib memory,
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	526 * to compress and to output the response in one step
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	527 * using hot CPU cache.
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	528 */
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 ctx->buffering = 0;
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
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	533 if (ctx->buffering && size && b->recycled) {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	534
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	535 buf = ngx_create_temp_buf(r->pool, size);
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	536 if (buf == NULL) {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	537 return NGX_ERROR;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	538 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	539
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	540 buf->last = ngx_cpymem(buf->pos, b->pos, size);
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	541 b->pos = b->last;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	542
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	543 buf->last_buf = b->last_buf;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	544 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	545
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	546 cl->buf = buf;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	547
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	548 } else {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	549 cl->buf = b;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	550 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	551
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	552 *ll = cl;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	553 ll = &cl->next;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	554 in = in->next;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	555 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	556
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	557 *ll = NULL;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	558
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	559 return ctx->buffering ? NGX_OK : NGX_DONE;
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
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	562
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	563 static ngx_int_t
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	564 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	565 ngx_http_gzip_ctx_t *ctx)
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	566 {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	567 int rc;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	568 ngx_http_gzip_conf_t *conf;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	569
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	570 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	571
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	572 ctx->preallocated = ngx_palloc(r->pool, ctx->allocated);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	573 if (ctx->preallocated == NULL) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	574 return NGX_ERROR;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	575 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	576
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	577 ctx->free_mem = ctx->preallocated;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	578
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	579 ctx->zstream.zalloc = ngx_http_gzip_filter_alloc;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	580 ctx->zstream.zfree = ngx_http_gzip_filter_free;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	581 ctx->zstream.opaque = ctx;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	582
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	583 rc = deflateInit2(&ctx->zstream, (int) conf->level, Z_DEFLATED,
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	584 - ctx->wbits, ctx->memlevel, Z_DEFAULT_STRATEGY);
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	585
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	586 if (rc != Z_OK) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	587 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	588 "deflateInit2() failed: %d", rc);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	589 return NGX_ERROR;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	590 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	591
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	592 ctx->last_out = &ctx->out;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	593 ctx->crc32 = crc32(0L, Z_NULL, 0);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	594 ctx->flush = Z_NO_FLUSH;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	595
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	596 return NGX_OK;
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
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	599
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	600 static ngx_int_t
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	601 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	602 {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	603 ngx_buf_t *b;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	604 ngx_chain_t *cl;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	605 static u_char gzheader[10] =
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	606 { 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	607
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	608 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	609 if (b == NULL) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	610 return NGX_ERROR;
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
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	613 b->memory = 1;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	614 b->pos = gzheader;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	615 b->last = b->pos + 10;
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 cl = ngx_alloc_chain_link(r->pool);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	618 if (cl == NULL) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	619 return NGX_ERROR;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	620 }
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 cl->buf = b;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	623 cl->next = ctx->out;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	624 ctx->out = cl;
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 ctx->gzheader = 1;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	627
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	628 return NGX_OK;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	629 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	630
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	631
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	632 static ngx_int_t
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	633 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	634 {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	635 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	636 return NGX_OK;
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 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	640 "gzip in: %p", ctx->in);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	641
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	642 if (ctx->in == NULL) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	643 return NGX_DECLINED;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	644 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	645
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	646 if (ctx->copy_buf) {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	647
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	648 /*
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	649 * 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	650 * but postpone free()ing after zlib compressing and data output
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	651 */
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	652
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	653 ctx->copy_buf->next = ctx->copied;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	654 ctx->copied = ctx->copy_buf;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	655 ctx->copy_buf = NULL;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	656 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	657
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	658 ctx->in_buf = ctx->in->buf;
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	659
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	660 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	661 ctx->copy_buf = ctx->in;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	662 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	663
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	664 ctx->in = ctx->in->next;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	665
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	666 ctx->zstream.next_in = ctx->in_buf->pos;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	667 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	668
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	669 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	670 "gzip in_buf:%p ni:%p ai:%ud",
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	671 ctx->in_buf,
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	672 ctx->zstream.next_in, ctx->zstream.avail_in);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	673
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	674 if (ctx->in_buf->last_buf) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	675 ctx->flush = Z_FINISH;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	676
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	677 } else if (ctx->in_buf->flush) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	678 ctx->flush = Z_SYNC_FLUSH;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	679 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	680
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	681 if (ctx->zstream.avail_in) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	682
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	683 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	684 ctx->zstream.avail_in);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	685
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	686 } else if (ctx->flush == Z_NO_FLUSH) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	687 return NGX_AGAIN;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	688 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	689
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	690 return NGX_OK;
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
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	693
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	694 static ngx_int_t
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	695 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	696 {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	697 ngx_http_gzip_conf_t *conf;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	698
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	699 if (ctx->zstream.avail_out) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	700 return NGX_OK;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	701 }
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 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	704
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	705 if (ctx->free) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	706 ctx->out_buf = ctx->free->buf;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	707 ctx->free = ctx->free->next;
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 } else if (ctx->bufs < conf->bufs.num) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	710
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	711 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	712 if (ctx->out_buf == NULL) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	713 return NGX_ERROR;
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 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	717 ctx->out_buf->recycled = 1;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	718 ctx->bufs++;
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 } else {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	721 ctx->nomem = 1;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	722 return NGX_DECLINED;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	723 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	724
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	725 ctx->zstream.next_out = ctx->out_buf->pos;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	726 ctx->zstream.avail_out = conf->bufs.size;
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 return NGX_OK;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	729 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	730
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	731
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	732 static ngx_int_t
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	733 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	734 {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	735 int rc;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	736 ngx_chain_t *cl;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	737 ngx_http_gzip_conf_t *conf;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	738
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	739 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	740 "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	741 ctx->zstream.next_in, ctx->zstream.next_out,
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	742 ctx->zstream.avail_in, ctx->zstream.avail_out,
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	743 ctx->flush, ctx->redo);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	744
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	745 rc = deflate(&ctx->zstream, ctx->flush);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	746
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	747 if (rc != Z_OK && rc != Z_STREAM_END) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	748 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	749 "deflate() failed: %d, %d", ctx->flush, rc);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	750 return NGX_ERROR;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	751 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	752
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	753 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	754 "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	755 ctx->zstream.next_in, ctx->zstream.next_out,
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	756 ctx->zstream.avail_in, ctx->zstream.avail_out,
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	757 rc);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	758
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	759 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	760 "gzip in_buf:%p pos:%p",
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	761 ctx->in_buf, ctx->in_buf->pos);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	762
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	763 if (ctx->zstream.next_in) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	764 ctx->in_buf->pos = ctx->zstream.next_in;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	765
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	766 if (ctx->zstream.avail_in == 0) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	767 ctx->zstream.next_in = NULL;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	768 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	769 }
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 ctx->out_buf->last = ctx->zstream.next_out;
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 (ctx->zstream.avail_out == 0) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	774
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	775 /* zlib wants to output some more gzipped data */
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	776
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	777 cl = ngx_alloc_chain_link(r->pool);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	778 if (cl == NULL) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	779 return NGX_ERROR;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	780 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	781
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	782 cl->buf = ctx->out_buf;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	783 cl->next = NULL;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	784 *ctx->last_out = cl;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	785 ctx->last_out = &cl->next;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	786
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	787 ctx->redo = 1;
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 return NGX_AGAIN;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	790 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	791
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	792 ctx->redo = 0;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	793
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	794 if (ctx->flush == Z_SYNC_FLUSH) {
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 ctx->zstream.avail_out = 0;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	797 ctx->out_buf->flush = 1;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	798 ctx->flush = Z_NO_FLUSH;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	799
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	800 cl = ngx_alloc_chain_link(r->pool);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	801 if (cl == NULL) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	802 return NGX_ERROR;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	803 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	804
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	805 cl->buf = ctx->out_buf;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	806 cl->next = NULL;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	807 *ctx->last_out = cl;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	808 ctx->last_out = &cl->next;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	809
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	810 return NGX_OK;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	811 }
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 if (rc == Z_STREAM_END) {
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 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	816 return NGX_ERROR;
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
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	819 return NGX_OK;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	820 }
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 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	823
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	824 if (conf->no_buffer && ctx->in == NULL) {
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 return NGX_AGAIN;
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
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	842
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	843 static ngx_int_t
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	844 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	845 ngx_http_gzip_ctx_t *ctx)
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 int rc;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	848 ngx_buf_t *b;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	849 ngx_chain_t *cl;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	850 struct gztrailer *trailer;
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 ctx->zin = ctx->zstream.total_in;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	853 ctx->zout = 10 + ctx->zstream.total_out + 8;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	854
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	855 rc = deflateEnd(&ctx->zstream);
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 if (rc != Z_OK) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	858 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	859 "deflateEnd() failed: %d", rc);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	860 return NGX_ERROR;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	861 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	862
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	863 ngx_pfree(r->pool, ctx->preallocated);
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 cl = ngx_alloc_chain_link(r->pool);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	866 if (cl == NULL) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	867 return NGX_ERROR;
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
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	870 cl->buf = ctx->out_buf;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	871 cl->next = NULL;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	872 *ctx->last_out = cl;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	873 ctx->last_out = &cl->next;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	874
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	875 if (ctx->zstream.avail_out >= 8) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	876 trailer = (struct gztrailer *) ctx->out_buf->last;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	877 ctx->out_buf->last += 8;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	878 ctx->out_buf->last_buf = 1;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	879
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	880 } else {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	881 b = ngx_create_temp_buf(r->pool, 8);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	882 if (b == NULL) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	883 return NGX_ERROR;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	884 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	885
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	886 b->last_buf = 1;
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 cl = ngx_alloc_chain_link(r->pool);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	889 if (cl == NULL) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	890 return NGX_ERROR;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	891 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	892
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	893 cl->buf = b;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	894 cl->next = NULL;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	895 *ctx->last_out = cl;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	896 ctx->last_out = &cl->next;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	897 trailer = (struct gztrailer *) b->pos;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	898 b->last += 8;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	899 }
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 (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED)
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	902
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	903 trailer->crc32 = ctx->crc32;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	904 trailer->zlen = ctx->zin;
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
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	908 trailer->crc32[0] = (u_char) (ctx->crc32 & 0xff);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	909 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	910 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	911 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	912
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	913 trailer->zlen[0] = (u_char) (ctx->zin & 0xff);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	914 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	915 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	916 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	917
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	918 #endif
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	919
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	920 ctx->zstream.avail_in = 0;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	921 ctx->zstream.avail_out = 0;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	922
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	923 ctx->done = 1;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	924
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	925 r->connection->buffered &= ~NGX_HTTP_GZIP_BUFFERED;
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 return NGX_OK;
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	928 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	929
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	930
497 d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	931 static void *
d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	932 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	933 {
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	934 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	935
294 5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import Igor Sysoev <igor@sysoev.ru> parents: 292 diff changeset	936 void *p;
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import Igor Sysoev <igor@sysoev.ru> parents: 292 diff changeset	937 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	938
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	939 alloc = items * size;
461 a88a3e4e158f nginx-0.1.5-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 455 diff changeset	940
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	941 if (alloc % 512 != 0) {
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	942
346 55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	943 /*
461 a88a3e4e158f nginx-0.1.5-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 455 diff changeset	944 * 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	945 * 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	946 */
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	947
346 55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	948 alloc = (alloc + ngx_pagesize - 1) & ~(ngx_pagesize - 1);
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	949 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	950
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	951 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	952 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	953 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	954 ctx->allocated -= alloc;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	955
257 70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 243 diff changeset	956 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	957 "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	958 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	959
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	960 return p;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	961 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	962
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	963 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	964 "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	965 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	966
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	967 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	968
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	969 return p;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	970 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	971
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	972
497 d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	973 static void
d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	974 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	975 {
282 30310107dbc9 nginx-0.0.2-2004-03-09-22:47:07 import Igor Sysoev <igor@sysoev.ru> parents: 265 diff changeset	976 #if 0
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	977 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	978
257 70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 243 diff changeset	979 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	980 "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	981 #endif
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	982 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	983
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	984
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	985 static void
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	986 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	987 ngx_http_gzip_ctx_t *ctx)
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	988 {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	989 ngx_chain_t *cl;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	990
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	991 for (cl = ctx->copied; cl; cl = cl->next) {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	992 ngx_pfree(r->pool, cl->buf->start);
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	993 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	994
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	995 ctx->copied = NULL;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	996 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	997
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	998
497 d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	999 static ngx_int_t
573 58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1000 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	1001 {
880 3b763d36e055 axe old % log format Igor Sysoev <igor@sysoev.ru> parents: 681 diff changeset	1002 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	1003
583 4e296b7d25bf nginx-0.3.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 577 diff changeset	1004 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	1005 if (var == NULL) {
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1006 return NGX_ERROR;
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1007 }
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1008
637 e60fe4cf1d4e nginx-0.3.40-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 597 diff changeset	1009 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	1010
177 4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 166 diff changeset	1011 return NGX_OK;
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 166 diff changeset	1012 }
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 166 diff changeset	1013
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 166 diff changeset	1014
497 d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	1015 static ngx_int_t
573 58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1016 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	1017 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	1018 {
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1019 ngx_uint_t zint, zfrac;
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1020 ngx_http_gzip_ctx_t *ctx;
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1021
577 4d9ea73a627a nginx-0.3.10-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 573 diff changeset	1022 v->valid = 1;
1565 4c43e25d11ea fix English grammar Igor Sysoev <igor@sysoev.ru> parents: 1554 diff changeset	1023 v->no_cacheable = 0;
573 58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1024 v->not_found = 0;
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1025
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1026 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	1027
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1028 if (ctx == NULL \|\| ctx->zout == 0) {
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1029 v->not_found = 1;
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1030 return NGX_OK;
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1031 }
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1032
2049 2a92804f4109 ) back out r2040 Igor Sysoev <igor@sysoev.ru>* parents: 1790 diff changeset	1033 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	1034 if (v->data == NULL) {
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1035 return NGX_ERROR;
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1036 }
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1037
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1038 zint = (ngx_uint_t) (ctx->zin / ctx->zout);
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1039 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	1040
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1041 if ((ctx->zin * 1000 / ctx->zout) % 10 > 4) {
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1042
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1043 /* 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	1044
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1045 zfrac++;
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1046
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1047 if (zfrac > 99) {
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1048 zint++;
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1049 zfrac = 0;
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1050 }
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
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1053 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	1054
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1055 return NGX_OK;
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1056 }
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
497 d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	1059 static void *
d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	1060 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	1061 {
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	1062 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	1063
501 d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 497 diff changeset	1064 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	1065 if (conf == NULL) {
430 1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	1066 return NGX_CONF_ERROR;
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	1067 }
134 d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	1068
430 1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	1069 /*
479 c52408583801 nginx-0.1.14-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	1070 * set by ngx_pcalloc():
c52408583801 nginx-0.1.14-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	1071 *
c52408583801 nginx-0.1.14-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	1072 * 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	1073 * conf->types = { NULL };
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2051 diff changeset	1074 * 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	1075 */
320 d621239c30f7 nginx-0.0.3-2004-04-18-23:06:02 import Igor Sysoev <igor@sysoev.ru> parents: 319 diff changeset	1076
134 d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	1077 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	1078 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	1079
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1080 conf->level = NGX_CONF_UNSET;
356 2e3cbc1bbe3c nginx-0.0.7-2004-06-16-19:32:11 import Igor Sysoev <igor@sysoev.ru> parents: 355 diff changeset	1081 conf->wbits = (size_t) NGX_CONF_UNSET;
2e3cbc1bbe3c nginx-0.0.7-2004-06-16-19:32:11 import Igor Sysoev <igor@sysoev.ru> parents: 355 diff changeset	1082 conf->memlevel = (size_t) NGX_CONF_UNSET;
2e3cbc1bbe3c nginx-0.0.7-2004-06-16-19:32:11 import Igor Sysoev <igor@sysoev.ru> parents: 355 diff changeset	1083 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	1084
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	1085 return conf;
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	1086 }
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
497 d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	1089 static char *
d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	1090 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	1091 {
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	1092 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	1093 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	1094
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	1095 ngx_conf_merge_value(conf->enable, prev->enable, 0);
314 d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	1096
346 55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	1097 ngx_conf_merge_bufs_value(conf->bufs, prev->bufs, 4, ngx_pagesize);
314 d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	1098
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1099 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	1100 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	1101 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	1102 MAX_MEM_LEVEL - 1);
577 4d9ea73a627a nginx-0.3.10-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 573 diff changeset	1103 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	1104 ngx_conf_merge_value(conf->no_buffer, prev->no_buffer, 0);
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	1105
2166 723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2051 diff changeset	1106 if (ngx_http_merge_types(cf, conf->types_keys, &conf->types,
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2051 diff changeset	1107 prev->types_keys, &prev->types,
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2051 diff changeset	1108 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	1109 != NGX_OK)
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2051 diff changeset	1110 {
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2051 diff changeset	1111 return NGX_CONF_ERROR;
452 23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	1112 }
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	1113
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	1114 return NGX_CONF_OK;
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	1115 }
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	1116
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	1117
681 7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 663 diff changeset	1118 static ngx_int_t
7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 663 diff changeset	1119 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	1120 {
7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 663 diff changeset	1121 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	1122 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	1123
7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 663 diff changeset	1124 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	1125 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	1126
7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 663 diff changeset	1127 return NGX_OK;
7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 663 diff changeset	1128 }
7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 663 diff changeset	1129
7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 663 diff changeset	1130
497 d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	1131 static char *
527 7fa11e5c6e96 nginx-0.1.38-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 513 diff changeset	1132 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	1133 {
2290 1a7567e5b988 change int to size_t Igor Sysoev <igor@sysoev.ru> parents: 2288 diff changeset	1134 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	1135
2290 1a7567e5b988 change int to size_t Igor Sysoev <igor@sysoev.ru> parents: 2288 diff changeset	1136 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	1137
430 1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	1138 wbits = 15;
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1139
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1140 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	1141
158 d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import Igor Sysoev <igor@sysoev.ru> parents: 157 diff changeset	1142 if (wsize == *np) {
d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import Igor Sysoev <igor@sysoev.ru> parents: 157 diff changeset	1143 *np = wbits;
430 1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	1144
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	1145 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	1146 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1147
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1148 wbits--;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1149 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1150
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1151 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	1152 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1153
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1154
497 d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	1155 static char *
527 7fa11e5c6e96 nginx-0.1.38-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 513 diff changeset	1156 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	1157 {
2290 1a7567e5b988 change int to size_t Igor Sysoev <igor@sysoev.ru> parents: 2288 diff changeset	1158 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	1159
2290 1a7567e5b988 change int to size_t Igor Sysoev <igor@sysoev.ru> parents: 2288 diff changeset	1160 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	1161
430 1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	1162 memlevel = 9;
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1163
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1164 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	1165
158 d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import Igor Sysoev <igor@sysoev.ru> parents: 157 diff changeset	1166 if (hsize == *np) {
d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import Igor Sysoev <igor@sysoev.ru> parents: 157 diff changeset	1167 *np = memlevel;
430 1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	1168
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	1169 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	1170 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1171
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1172 memlevel--;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1173 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1174
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1175 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	1176 }

Mercurial > hg > nginx

annotate src/http/modules/ngx_http_gzip_filter_module.c @ 2410:bbfaeb220e90