nginx: src/http/modules/ngx_http_gzip_filter

annotate src/http/modules/ngx_http_gzip_filter_module.c @ 3516:dd1570b6f237

ngx_str_set() and ngx_str_null()

author	Igor Sysoev <igor@sysoev.ru>
date	Fri, 14 May 2010 09:56:37 +0000
parents	0c517d0cabe0
children	a08e8b3832ae

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
2542 925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	22 size_t postpone_gzipping;
589 d4e858a5751a nginx-0.3.16-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 583 diff changeset	23 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	24 size_t wbits;
7a8ebba985a9 nginx-0.0.3-2004-04-16-19:27:31 import Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	25 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	26 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	27
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2051 diff changeset	28 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	29 } 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	30
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	31
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	32 typedef struct {
156 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 *in;
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 *free;
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 *busy;
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 *out;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	37 ngx_chain_t **last_out;
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	38
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	39 ngx_chain_t *copied;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	40 ngx_chain_t *copy_buf;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	41
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	42 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	43 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	44 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	45
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	46 void *preallocated;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	47 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	48 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	49
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	50 int wbits;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	51 int memlevel;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	52
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	53 unsigned flush:4;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	54 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	55 unsigned done:1;
2287 baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	56 unsigned nomem:1;
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	57 unsigned gzheader:1;
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	58 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	59
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 166 diff changeset	60 size_t zin;
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 166 diff changeset	61 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	62
290 87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import Igor Sysoev <igor@sysoev.ru> parents: 289 diff changeset	63 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	64 z_stream zstream;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	65 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	66 } 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	67
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	68
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	69 #if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED)
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	70
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	71 struct gztrailer {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	72 uint32_t crc32;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	73 uint32_t zlen;
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
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	76 #else /* NGX_HAVE_BIG_ENDIAN \|\| !NGX_HAVE_NONALIGNED */
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	77
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	78 struct gztrailer {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	79 u_char crc32[4];
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	80 u_char zlen[4];
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
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	83 #endif
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	84
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	85
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	86 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	87 ngx_http_gzip_ctx_t *ctx);
2542 925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	88 static ngx_int_t ngx_http_gzip_filter_buffer(ngx_http_gzip_ctx_t *ctx,
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	89 ngx_chain_t *in);
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	90 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	91 ngx_http_gzip_ctx_t *ctx);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	92 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	93 ngx_http_gzip_ctx_t *ctx);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	94 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	95 ngx_http_gzip_ctx_t *ctx);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	96 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	97 ngx_http_gzip_ctx_t *ctx);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	98 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	99 ngx_http_gzip_ctx_t *ctx);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	100 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	101 ngx_http_gzip_ctx_t *ctx);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	102
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	103 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	104 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	105 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	106 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	107 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	108
573 58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	109 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	110 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	111 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	112
681 7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 663 diff changeset	113 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	114 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	115 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	116 void parent, void child);
527 7fa11e5c6e96 nginx-0.1.38-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 513 diff changeset	117 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	118 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	119
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	120
158 d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import Igor Sysoev <igor@sysoev.ru> parents: 157 diff changeset	121 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	122 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	123 };
d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import Igor Sysoev <igor@sysoev.ru> parents: 157 diff changeset	124
527 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_window_p = ngx_http_gzip_window;
7fa11e5c6e96 nginx-0.1.38-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 513 diff changeset	126 static ngx_conf_post_handler_pt ngx_http_gzip_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	127
134 d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	128
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	129 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	130
239 574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import Igor Sysoev <igor@sysoev.ru> parents: 177 diff changeset	131 { ngx_string("gzip"),
485 4ebe09b07e30 nginx-0.1.17-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 483 diff changeset	132 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	133 \|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	134 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	135 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	136 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	137 NULL },
134 d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	138
239 574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import Igor Sysoev <igor@sysoev.ru> parents: 177 diff changeset	139 { 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	140 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	141 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	142 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	143 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	144 NULL },
134 d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	145
452 23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	146 { ngx_string("gzip_types"),
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	147 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	148 ngx_http_types_slot,
452 23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	149 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	150 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	151 &ngx_http_html_default_types[0] },
452 23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	152
239 574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import Igor Sysoev <igor@sysoev.ru> parents: 177 diff changeset	153 { 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	154 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	155 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	156 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	157 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	158 &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	159
239 574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import Igor Sysoev <igor@sysoev.ru> parents: 177 diff changeset	160 { 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	161 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	162 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	163 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	164 offsetof(ngx_http_gzip_conf_t, wbits),
527 7fa11e5c6e96 nginx-0.1.38-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 513 diff changeset	165 &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	166
239 574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import Igor Sysoev <igor@sysoev.ru> parents: 177 diff changeset	167 { 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	168 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	169 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	170 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	171 offsetof(ngx_http_gzip_conf_t, memlevel),
527 7fa11e5c6e96 nginx-0.1.38-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 513 diff changeset	172 &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	173
2542 925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	174 { ngx_string("postpone_gzipping"),
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	175 NGX_HTTP_MAIN_CONF\|NGX_HTTP_SRV_CONF\|NGX_HTTP_LOC_CONF\|NGX_CONF_TAKE1,
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	176 ngx_conf_set_size_slot,
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	177 NGX_HTTP_LOC_CONF_OFFSET,
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	178 offsetof(ngx_http_gzip_conf_t, postpone_gzipping),
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	179 NULL },
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	180
239 574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import Igor Sysoev <igor@sysoev.ru> parents: 177 diff changeset	181 { 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	182 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	183 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	184 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	185 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	186 NULL },
134 d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	187
320 d621239c30f7 nginx-0.0.3-2004-04-18-23:06:02 import Igor Sysoev <igor@sysoev.ru> parents: 319 diff changeset	188 { 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	189 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	190 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	191 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	192 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	193 NULL },
314 d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	194
239 574bea0142be nginx-0.0.1-2004-01-26-11:52:49 import Igor Sysoev <igor@sysoev.ru> parents: 177 diff changeset	195 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	196 };
133 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
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	199 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	200 ngx_http_gzip_add_variables, /* preconfiguration */
681 7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 663 diff changeset	201 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	202
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	203 NULL, /* create main configuration */
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	204 NULL, /* init main configuration */
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 NULL, /* create server configuration */
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	207 NULL, /* merge server configuration */
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	208
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_create_conf, /* create location configuration */
489 45a460f82aec nginx-0.1.19-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 485 diff changeset	210 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	211 };
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	212
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	213
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	214 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	215 NGX_MODULE_V1,
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	216 &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	217 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	218 NGX_HTTP_MODULE, /* module type */
541 b09ee85d0ac8 nginx-0.1.45-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 529 diff changeset	219 NULL, /* init master */
681 7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 663 diff changeset	220 NULL, /* init module */
541 b09ee85d0ac8 nginx-0.1.45-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 529 diff changeset	221 NULL, /* init process */
b09ee85d0ac8 nginx-0.1.45-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 529 diff changeset	222 NULL, /* init thread */
b09ee85d0ac8 nginx-0.1.45-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 529 diff changeset	223 NULL, /* exit thread */
b09ee85d0ac8 nginx-0.1.45-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 529 diff changeset	224 NULL, /* exit process */
b09ee85d0ac8 nginx-0.1.45-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 529 diff changeset	225 NULL, /* exit master */
b09ee85d0ac8 nginx-0.1.45-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 529 diff changeset	226 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	227 };
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	228
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	229
573 58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	230 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	231
155 46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import Igor Sysoev <igor@sysoev.ru> parents: 154 diff changeset	232 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	233 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	234
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	235
497 d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	236 static ngx_int_t
d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	237 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	238 {
2051 115e6f029fcc "gzip_vary on" always sends "Vary: Accept-Encoding" header Igor Sysoev <igor@sysoev.ru> parents: 2049 diff changeset	239 ngx_table_elt_t *h;
115e6f029fcc "gzip_vary on" always sends "Vary: Accept-Encoding" header Igor Sysoev <igor@sysoev.ru> parents: 2049 diff changeset	240 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	241 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	242
135 e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import Igor Sysoev <igor@sysoev.ru> parents: 134 diff changeset	243 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	244
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import Igor Sysoev <igor@sysoev.ru> parents: 134 diff changeset	245 if (!conf->enable
452 23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	246 \|\| (r->headers_out.status != NGX_HTTP_OK
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	247 && r->headers_out.status != NGX_HTTP_FORBIDDEN
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	248 && r->headers_out.status != NGX_HTTP_NOT_FOUND)
135 e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import Igor Sysoev <igor@sysoev.ru> parents: 134 diff changeset	249 \|\| (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	250 && 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	251 \|\| (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	252 && r->headers_out.content_length_n < conf->min_length)
3379 0c517d0cabe0 backout r3315 and test r->header_only last, since it's not actually Igor Sysoev <igor@sysoev.ru> parents: 3372 diff changeset	253 \|\| ngx_http_test_content_type(r, &conf->types) == NULL
0c517d0cabe0 backout r3315 and test r->header_only last, since it's not actually Igor Sysoev <igor@sysoev.ru> parents: 3372 diff changeset	254 \|\| r->header_only)
134 d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	255 {
155 46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import Igor Sysoev <igor@sysoev.ru> parents: 154 diff changeset	256 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	257 }
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	258
3313 118169a8ec92 refactor gzip_vary handling Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	259 r->gzip_vary = 1;
118169a8ec92 refactor gzip_vary handling Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	260
118169a8ec92 refactor gzip_vary handling Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	261 if (!r->gzip_tested) {
118169a8ec92 refactor gzip_vary handling Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	262 if (ngx_http_gzip_ok(r) != NGX_OK) {
118169a8ec92 refactor gzip_vary handling Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	263 return ngx_http_next_header_filter(r);
118169a8ec92 refactor gzip_vary handling Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	264 }
118169a8ec92 refactor gzip_vary handling Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	265
118169a8ec92 refactor gzip_vary handling Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	266 } else if (!r->gzip_ok) {
118169a8ec92 refactor gzip_vary handling Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	267 return ngx_http_next_header_filter(r);
118169a8ec92 refactor gzip_vary handling Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	268 }
118169a8ec92 refactor gzip_vary handling Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	269
501 d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 497 diff changeset	270 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	271 if (ctx == NULL) {
d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 497 diff changeset	272 return NGX_ERROR;
d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 497 diff changeset	273 }
314 d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	274
501 d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 497 diff changeset	275 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	276
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	277 ctx->request = r;
2542 925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	278 ctx->buffering = (conf->postpone_gzipping != 0);
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	279
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	280 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	281
1790 775edc46ee66 ngx_http_gzip_static_module and gzip_disable Igor Sysoev <igor@sysoev.ru> parents: 1626 diff changeset	282 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	283 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	284 return NGX_ERROR;
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import Igor Sysoev <igor@sysoev.ru> parents: 160 diff changeset	285 }
135 e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import Igor Sysoev <igor@sysoev.ru> parents: 134 diff changeset	286
1790 775edc46ee66 ngx_http_gzip_static_module and gzip_disable Igor Sysoev <igor@sysoev.ru> parents: 1626 diff changeset	287 h->hash = 1;
3516 dd1570b6f237 ngx_str_set() and ngx_str_null() Igor Sysoev <igor@sysoev.ru> parents: 3379 diff changeset	288 ngx_str_set(&h->key, "Content-Encoding");
dd1570b6f237 ngx_str_set() and ngx_str_null() Igor Sysoev <igor@sysoev.ru> parents: 3379 diff changeset	289 ngx_str_set(&h->value, "gzip");
1790 775edc46ee66 ngx_http_gzip_static_module and gzip_disable Igor Sysoev <igor@sysoev.ru> parents: 1626 diff changeset	290 r->headers_out.content_encoding = h;
775edc46ee66 ngx_http_gzip_static_module and gzip_disable Igor Sysoev <igor@sysoev.ru> parents: 1626 diff changeset	291
513 fbbf16224844 nginx-0.1.31-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 509 diff changeset	292 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	293
577 4d9ea73a627a nginx-0.3.10-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 573 diff changeset	294 ngx_http_clear_content_length(r);
4d9ea73a627a nginx-0.3.10-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 573 diff changeset	295 ngx_http_clear_accept_ranges(r);
4d9ea73a627a nginx-0.3.10-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 573 diff changeset	296
155 46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import Igor Sysoev <igor@sysoev.ru> parents: 154 diff changeset	297 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	298 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	299
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	300
497 d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	301 static ngx_int_t
d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	302 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	303 {
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	304 int rc;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	305 ngx_chain_t *cl;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	306 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	307
243 bf2faf694c19 nginx-0.0.1-2004-01-28-23:38:54 import Igor Sysoev <igor@sysoev.ru> parents: 239 diff changeset	308 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	309
243 bf2faf694c19 nginx-0.0.1-2004-01-28-23:38:54 import Igor Sysoev <igor@sysoev.ru> parents: 239 diff changeset	310 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	311 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	312 }
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 166 diff changeset	313
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	314 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	315 "http gzip filter");
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 if (ctx->buffering) {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	318
2542 925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	319 /*
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	320 * With default memory settings zlib starts to output gzipped data
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	321 * only after it has got about 90K, so it makes sense to allocate
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	322 * zlib memory (200-400K) only after we have enough data to compress.
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	323 * Although we copy buffers, nevertheless for not big responses
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	324 * this allows to allocate zlib memory, to compress and to output
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	325 * the response in one step using hot CPU cache.
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	326 */
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	327
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	328 if (in) {
2542 925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	329 switch (ngx_http_gzip_filter_buffer(ctx, in)) {
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	330
2468 76925110cdae style fix: remove tabs Igor Sysoev <igor@sysoev.ru> parents: 2425 diff changeset	331 case NGX_OK:
76925110cdae style fix: remove tabs Igor Sysoev <igor@sysoev.ru> parents: 2425 diff changeset	332 return NGX_OK;
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	333
2468 76925110cdae style fix: remove tabs Igor Sysoev <igor@sysoev.ru> parents: 2425 diff changeset	334 case NGX_DONE:
76925110cdae style fix: remove tabs Igor Sysoev <igor@sysoev.ru> parents: 2425 diff changeset	335 in = NULL;
76925110cdae style fix: remove tabs Igor Sysoev <igor@sysoev.ru> parents: 2425 diff changeset	336 break;
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	337
2468 76925110cdae style fix: remove tabs Igor Sysoev <igor@sysoev.ru> parents: 2425 diff changeset	338 default: /* NGX_ERROR */
76925110cdae style fix: remove tabs Igor Sysoev <igor@sysoev.ru> parents: 2425 diff changeset	339 goto failed;
76925110cdae style fix: remove tabs Igor Sysoev <igor@sysoev.ru> parents: 2425 diff changeset	340 }
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	341
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	342 } else {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	343 ctx->buffering = 0;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	344 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	345 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	346
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	347 if (ctx->preallocated == NULL) {
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	348 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	349 goto failed;
430 1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	350 }
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	351 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	352
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	353 if (in) {
2536 a6d6d762c554 small optimization: " == NGX_ERROR" > " != NGX_OK" Igor Sysoev <igor@sysoev.ru> parents: 2468 diff changeset	354 if (ngx_chain_add_copy(r->pool, &ctx->in, in) != NGX_OK) {
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	355 goto failed;
134 d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	356 }
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	357 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	358
2287 baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	359 if (ctx->nomem) {
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	360
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	361 /* flush busy buffers */
2287 baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	362
baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	363 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	364 goto failed;
2287 baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	365 }
baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	366
baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	367 cl = NULL;
baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	368
baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	369 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	370 (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	371 ctx->nomem = 0;
baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	372 }
141 656d468f4ead nginx-0.0.1-2003-10-08-19:32:54 import Igor Sysoev <igor@sysoev.ru> parents: 136 diff changeset	373
135 e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import Igor Sysoev <igor@sysoev.ru> parents: 134 diff changeset	374 for ( ;; ) {
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import Igor Sysoev <igor@sysoev.ru> parents: 134 diff changeset	375
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	376 /* cycle while we can write to a client */
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	377
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	378 for ( ;; ) {
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	379
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	380 /* 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	381
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	382 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	383
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	384 if (rc == NGX_DECLINED) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	385 break;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 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_AGAIN) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	389 continue;
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	390 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	391
430 1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	392
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	393 /* ... 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	394
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	395 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	396
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	397 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	398 break;
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import Igor Sysoev <igor@sysoev.ru> parents: 322 diff changeset	399 }
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import Igor Sysoev <igor@sysoev.ru> parents: 322 diff changeset	400
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	401 if (rc == NGX_ERROR) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	402 goto failed;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	403 }
134 d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	404
479 c52408583801 nginx-0.1.14-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	405
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	406 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	407
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	408 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	409 break;
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import Igor Sysoev <igor@sysoev.ru> parents: 322 diff changeset	410 }
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	411
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	412 if (rc == NGX_ERROR) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	413 goto failed;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	414 }
501 d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 497 diff changeset	415
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	416 /* rc == NGX_AGAIN */
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	417 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	418
1626 7caa66b819df fix gzip and SSL Igor Sysoev <igor@sysoev.ru> parents: 1583 diff changeset	419 if (ctx->out == NULL) {
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	420 ngx_http_gzip_filter_free_copy_buf(r, ctx);
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	421
2292 51487a60eba2 fix the previous commit Igor Sysoev <igor@sysoev.ru> parents: 2291 diff changeset	422 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	423 }
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	424
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	425 if (!ctx->gzheader) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	426 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	427 goto failed;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	428 }
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
2287 baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	431 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	432
2287 baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	433 if (rc == NGX_ERROR) {
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	434 goto failed;
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	435 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	436
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	437 ngx_http_gzip_filter_free_copy_buf(r, ctx);
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	438
154 eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import Igor Sysoev <igor@sysoev.ru> parents: 153 diff changeset	439 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	440 (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	441 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	442
2287 baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	443 ctx->nomem = 0;
baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	444
327 e0f3f238db09 nginx-0.0.3-2004-04-26-17:40:01 import Igor Sysoev <igor@sysoev.ru> parents: 326 diff changeset	445 if (ctx->done) {
2287 baa61933d5ed use nomem flag to flush busy bufs, Igor Sysoev <igor@sysoev.ru> parents: 2166 diff changeset	446 return rc;
327 e0f3f238db09 nginx-0.0.3-2004-04-26-17:40:01 import Igor Sysoev <igor@sysoev.ru> parents: 326 diff changeset	447 }
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	448 }
2291 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 /* unreachable */
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 failed:
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	453
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	454 ctx->done = 1;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	455
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	456 if (ctx->preallocated) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	457 deflateEnd(&ctx->zstream);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	458
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	459 ngx_pfree(r->pool, ctx->preallocated);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	460 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	461
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	462 ngx_http_gzip_filter_free_copy_buf(r, ctx);
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	463
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	464 return NGX_ERROR;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	465 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	466
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	467
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	468 static void
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	469 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	470 {
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	471 int wbits, memlevel;
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	472 ngx_http_gzip_conf_t *conf;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	473
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	474 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	475
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	476 wbits = conf->wbits;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	477 memlevel = conf->memlevel;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	478
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	479 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	480
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	481 /* 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	482
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	483 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	484 wbits--;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	485 memlevel--;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	486 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	487 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	488
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	489 ctx->wbits = wbits;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	490 ctx->memlevel = memlevel;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	491
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	492 /*
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	493 * 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	494 * 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	495 * 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	496 * 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	497 * 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	498 *
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	499 * 8K is for zlib deflate_state, it takes
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	500 * *) 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	501 * *) 5920 bytes on amd64 and sparc64
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	502 */
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	503
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	504 ctx->allocated = 8192 + (1 << (wbits + 2)) + (1 << (memlevel + 9));
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	505 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	506
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	507
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	508 static ngx_int_t
2542 925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	509 ngx_http_gzip_filter_buffer(ngx_http_gzip_ctx_t ctx, ngx_chain_t in)
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	510 {
2542 925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	511 size_t size, buffered;
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	512 ngx_buf_t b, buf;
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	513 ngx_chain_t cl, *ll;
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	514 ngx_http_request_t *r;
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	515 ngx_http_gzip_conf_t *conf;
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	516
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	517 r = ctx->request;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	518
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	519 r->connection->buffered \|= NGX_HTTP_GZIP_BUFFERED;
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 buffered = 0;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	522 ll = &ctx->in;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	523
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	524 for (cl = ctx->in; cl; cl = cl->next) {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	525 buffered += cl->buf->last - cl->buf->pos;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	526 ll = &cl->next;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	527 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	528
2542 925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	529 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module);
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	530
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	531 while (in) {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	532 cl = ngx_alloc_chain_link(r->pool);
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	533 if (cl == NULL) {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	534 return NGX_ERROR;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	535 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	536
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	537 b = in->buf;
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 size = b->last - b->pos;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	540 buffered += size;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	541
2542 925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	542 if (b->flush \|\| b->last_buf \|\| buffered > conf->postpone_gzipping) {
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	543 ctx->buffering = 0;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	544 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	545
2542 925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	546 if (ctx->buffering && size) {
2410 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 buf = ngx_create_temp_buf(r->pool, size);
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	549 if (buf == NULL) {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	550 return NGX_ERROR;
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
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	553 buf->last = ngx_cpymem(buf->pos, b->pos, size);
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	554 b->pos = b->last;
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 buf->last_buf = b->last_buf;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	557 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	558
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	559 cl->buf = buf;
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 } else {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	562 cl->buf = b;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	563 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	564
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	565 *ll = cl;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	566 ll = &cl->next;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	567 in = in->next;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	568 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	569
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	570 *ll = NULL;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	571
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	572 return ctx->buffering ? NGX_OK : NGX_DONE;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	573 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	574
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	575
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	576 static ngx_int_t
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	577 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	578 ngx_http_gzip_ctx_t *ctx)
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	579 {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	580 int rc;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	581 ngx_http_gzip_conf_t *conf;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	582
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	583 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	584
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	585 ctx->preallocated = ngx_palloc(r->pool, ctx->allocated);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	586 if (ctx->preallocated == NULL) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	587 return NGX_ERROR;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	588 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	589
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	590 ctx->free_mem = ctx->preallocated;
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->zstream.zalloc = ngx_http_gzip_filter_alloc;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	593 ctx->zstream.zfree = ngx_http_gzip_filter_free;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	594 ctx->zstream.opaque = ctx;
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 rc = deflateInit2(&ctx->zstream, (int) conf->level, Z_DEFLATED,
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	597 - ctx->wbits, ctx->memlevel, Z_DEFAULT_STRATEGY);
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	598
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	599 if (rc != Z_OK) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	600 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	601 "deflateInit2() failed: %d", rc);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	602 return NGX_ERROR;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	603 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	604
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	605 ctx->last_out = &ctx->out;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	606 ctx->crc32 = crc32(0L, Z_NULL, 0);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	607 ctx->flush = Z_NO_FLUSH;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	608
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	609 return NGX_OK;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	610 }
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 static ngx_int_t
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	614 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	615 {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	616 ngx_buf_t *b;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	617 ngx_chain_t *cl;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	618 static u_char gzheader[10] =
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	619 { 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	620
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	621 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	622 if (b == NULL) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	623 return NGX_ERROR;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	624 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	625
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	626 b->memory = 1;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	627 b->pos = gzheader;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	628 b->last = b->pos + 10;
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 cl = ngx_alloc_chain_link(r->pool);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	631 if (cl == NULL) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	632 return NGX_ERROR;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	633 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	634
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	635 cl->buf = b;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	636 cl->next = ctx->out;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	637 ctx->out = cl;
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 ctx->gzheader = 1;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	640
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	641 return NGX_OK;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	642 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	643
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 static ngx_int_t
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	646 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	647 {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	648 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	649 return NGX_OK;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	650 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	651
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	652 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	653 "gzip in: %p", ctx->in);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	654
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	655 if (ctx->in == NULL) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	656 return NGX_DECLINED;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	657 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	658
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	659 if (ctx->copy_buf) {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	660
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	661 /*
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	662 * 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	663 * but postpone free()ing after zlib compressing and data output
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	664 */
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	665
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	666 ctx->copy_buf->next = ctx->copied;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	667 ctx->copied = ctx->copy_buf;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	668 ctx->copy_buf = NULL;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	669 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	670
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	671 ctx->in_buf = ctx->in->buf;
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	672
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	673 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	674 ctx->copy_buf = ctx->in;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	675 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	676
2291 e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	677 ctx->in = ctx->in->next;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	678
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	679 ctx->zstream.next_in = ctx->in_buf->pos;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	680 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	681
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	682 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	683 "gzip in_buf:%p ni:%p ai:%ud",
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	684 ctx->in_buf,
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	685 ctx->zstream.next_in, ctx->zstream.avail_in);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	686
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	687 if (ctx->in_buf->last_buf) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	688 ctx->flush = Z_FINISH;
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 } else if (ctx->in_buf->flush) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	691 ctx->flush = Z_SYNC_FLUSH;
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 if (ctx->zstream.avail_in) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	695
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	696 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	697 ctx->zstream.avail_in);
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 } else if (ctx->flush == Z_NO_FLUSH) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	700 return NGX_AGAIN;
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 return NGX_OK;
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
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	706
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	707 static ngx_int_t
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	708 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	709 {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	710 ngx_http_gzip_conf_t *conf;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	711
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	712 if (ctx->zstream.avail_out) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	713 return NGX_OK;
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 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	717
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	718 if (ctx->free) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	719 ctx->out_buf = ctx->free->buf;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	720 ctx->free = ctx->free->next;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	721
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	722 } else if (ctx->bufs < conf->bufs.num) {
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 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	725 if (ctx->out_buf == NULL) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	726 return NGX_ERROR;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	727 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	728
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	729 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	730 ctx->out_buf->recycled = 1;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	731 ctx->bufs++;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	732
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	733 } else {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	734 ctx->nomem = 1;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	735 return NGX_DECLINED;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	736 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	737
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	738 ctx->zstream.next_out = ctx->out_buf->pos;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	739 ctx->zstream.avail_out = conf->bufs.size;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	740
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	741 return NGX_OK;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	742 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	743
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 static ngx_int_t
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	746 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	747 {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	748 int rc;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	749 ngx_chain_t *cl;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	750 ngx_http_gzip_conf_t *conf;
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 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	753 "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	754 ctx->zstream.next_in, ctx->zstream.next_out,
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	755 ctx->zstream.avail_in, ctx->zstream.avail_out,
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	756 ctx->flush, ctx->redo);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	757
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	758 rc = deflate(&ctx->zstream, ctx->flush);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	759
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	760 if (rc != Z_OK && rc != Z_STREAM_END) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	761 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	762 "deflate() failed: %d, %d", ctx->flush, rc);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	763 return NGX_ERROR;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	764 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	765
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	766 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	767 "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	768 ctx->zstream.next_in, ctx->zstream.next_out,
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	769 ctx->zstream.avail_in, ctx->zstream.avail_out,
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	770 rc);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	771
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	772 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	773 "gzip in_buf:%p pos:%p",
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	774 ctx->in_buf, ctx->in_buf->pos);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	775
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	776 if (ctx->zstream.next_in) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	777 ctx->in_buf->pos = ctx->zstream.next_in;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	778
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	779 if (ctx->zstream.avail_in == 0) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	780 ctx->zstream.next_in = NULL;
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 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	783
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	784 ctx->out_buf->last = ctx->zstream.next_out;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	785
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	786 if (ctx->zstream.avail_out == 0) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	787
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	788 /* zlib wants to output some more gzipped data */
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	789
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	790 cl = ngx_alloc_chain_link(r->pool);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	791 if (cl == NULL) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	792 return NGX_ERROR;
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
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	795 cl->buf = ctx->out_buf;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	796 cl->next = NULL;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	797 *ctx->last_out = cl;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	798 ctx->last_out = &cl->next;
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 ctx->redo = 1;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	801
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	802 return NGX_AGAIN;
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 ctx->redo = 0;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	806
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	807 if (ctx->flush == Z_SYNC_FLUSH) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	808
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	809 ctx->zstream.avail_out = 0;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	810 ctx->out_buf->flush = 1;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	811 ctx->flush = Z_NO_FLUSH;
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 cl = ngx_alloc_chain_link(r->pool);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	814 if (cl == NULL) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	815 return NGX_ERROR;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	816 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	817
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	818 cl->buf = ctx->out_buf;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	819 cl->next = NULL;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	820 *ctx->last_out = cl;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	821 ctx->last_out = &cl->next;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	822
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	823 return NGX_OK;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	824 }
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 if (rc == Z_STREAM_END) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	827
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	828 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	829 return NGX_ERROR;
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
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	832 return NGX_OK;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	833 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	834
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	835 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	836
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	837 if (conf->no_buffer && ctx->in == NULL) {
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 cl = ngx_alloc_chain_link(r->pool);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	840 if (cl == NULL) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	841 return NGX_ERROR;
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
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	844 cl->buf = ctx->out_buf;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	845 cl->next = NULL;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	846 *ctx->last_out = cl;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	847 ctx->last_out = &cl->next;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	848
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	849 return NGX_OK;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	850 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	851
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	852 return NGX_AGAIN;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	853 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	854
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	855
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	856 static ngx_int_t
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	857 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	858 ngx_http_gzip_ctx_t *ctx)
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	859 {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	860 int rc;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	861 ngx_buf_t *b;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	862 ngx_chain_t *cl;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	863 struct gztrailer *trailer;
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 ctx->zin = ctx->zstream.total_in;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	866 ctx->zout = 10 + ctx->zstream.total_out + 8;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	867
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	868 rc = deflateEnd(&ctx->zstream);
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 if (rc != Z_OK) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	871 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	872 "deflateEnd() failed: %d", rc);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	873 return NGX_ERROR;
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
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	876 ngx_pfree(r->pool, ctx->preallocated);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	877
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	878 cl = ngx_alloc_chain_link(r->pool);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	879 if (cl == NULL) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	880 return NGX_ERROR;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	881 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	882
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	883 cl->buf = ctx->out_buf;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	884 cl->next = NULL;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	885 *ctx->last_out = cl;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	886 ctx->last_out = &cl->next;
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 if (ctx->zstream.avail_out >= 8) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	889 trailer = (struct gztrailer *) ctx->out_buf->last;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	890 ctx->out_buf->last += 8;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	891 ctx->out_buf->last_buf = 1;
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 } else {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	894 b = ngx_create_temp_buf(r->pool, 8);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	895 if (b == NULL) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	896 return NGX_ERROR;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	897 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	898
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	899 b->last_buf = 1;
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 cl = ngx_alloc_chain_link(r->pool);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	902 if (cl == NULL) {
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	903 return NGX_ERROR;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	904 }
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	905
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	906 cl->buf = b;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	907 cl->next = NULL;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	908 *ctx->last_out = cl;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	909 ctx->last_out = &cl->next;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	910 trailer = (struct gztrailer *) b->pos;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	911 b->last += 8;
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
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	914 #if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED)
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	915
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	916 trailer->crc32 = ctx->crc32;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	917 trailer->zlen = ctx->zin;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	918
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	919 #else
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	920
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	921 trailer->crc32[0] = (u_char) (ctx->crc32 & 0xff);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	922 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	923 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	924 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	925
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	926 trailer->zlen[0] = (u_char) (ctx->zin & 0xff);
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	927 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	928 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	929 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	930
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	931 #endif
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	932
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	933 ctx->zstream.avail_in = 0;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	934 ctx->zstream.avail_out = 0;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	935
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	936 ctx->done = 1;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	937
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	938 r->connection->buffered &= ~NGX_HTTP_GZIP_BUFFERED;
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	939
e9a1cddf2aaa ) split ngx_http_gzip_body_filter() Igor Sysoev <igor@sysoev.ru>* parents: 2290 diff changeset	940 return NGX_OK;
133 b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	941 }
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	942
b27548f540ad nginx-0.0.1-2003-09-24-23:51:12 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	943
497 d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	944 static void *
d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	945 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	946 {
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	947 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	948
294 5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import Igor Sysoev <igor@sysoev.ru> parents: 292 diff changeset	949 void *p;
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import Igor Sysoev <igor@sysoev.ru> parents: 292 diff changeset	950 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	951
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	952 alloc = items * size;
461 a88a3e4e158f nginx-0.1.5-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 455 diff changeset	953
2425 3d60d55b9ad0 do not try to align to a page size, allocate just 8K, Igor Sysoev <igor@sysoev.ru> parents: 2412 diff changeset	954 if (alloc % 512 != 0 && alloc < 8192) {
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	955
346 55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	956 /*
461 a88a3e4e158f nginx-0.1.5-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 455 diff changeset	957 * 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	958 * 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	959 */
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	960
2425 3d60d55b9ad0 do not try to align to a page size, allocate just 8K, Igor Sysoev <igor@sysoev.ru> parents: 2412 diff changeset	961 alloc = 8192;
156 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
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	964 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	965 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	966 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	967 ctx->allocated -= alloc;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	968
257 70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 243 diff changeset	969 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	970 "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	971 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	972
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	973 return p;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	974 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	975
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	976 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	977 "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	978 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	979
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	980 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	981
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	982 return p;
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
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	985
497 d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	986 static void
d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	987 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	988 {
282 30310107dbc9 nginx-0.0.2-2004-03-09-22:47:07 import Igor Sysoev <igor@sysoev.ru> parents: 265 diff changeset	989 #if 0
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	990 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	991
257 70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 243 diff changeset	992 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	993 "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	994 #endif
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	995 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	996
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	997
2410 bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	998 static void
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	999 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	1000 ngx_http_gzip_ctx_t *ctx)
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	1001 {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	1002 ngx_chain_t *cl;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	1003
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	1004 for (cl = ctx->copied; cl; cl = cl->next) {
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	1005 ngx_pfree(r->pool, cl->buf->start);
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	1006 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	1007
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	1008 ctx->copied = NULL;
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	1009 }
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	1010
bbfaeb220e90 postpone zlib memory allocation Igor Sysoev <igor@sysoev.ru> parents: 2292 diff changeset	1011
497 d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	1012 static ngx_int_t
573 58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1013 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	1014 {
880 3b763d36e055 axe old % log format Igor Sysoev <igor@sysoev.ru> parents: 681 diff changeset	1015 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	1016
583 4e296b7d25bf nginx-0.3.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 577 diff changeset	1017 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	1018 if (var == NULL) {
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1019 return NGX_ERROR;
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1020 }
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1021
637 e60fe4cf1d4e nginx-0.3.40-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 597 diff changeset	1022 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	1023
177 4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 166 diff changeset	1024 return NGX_OK;
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 166 diff changeset	1025 }
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 166 diff changeset	1026
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 166 diff changeset	1027
497 d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	1028 static ngx_int_t
573 58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1029 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	1030 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	1031 {
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1032 ngx_uint_t zint, zfrac;
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1033 ngx_http_gzip_ctx_t *ctx;
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1034
577 4d9ea73a627a nginx-0.3.10-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 573 diff changeset	1035 v->valid = 1;
1565 4c43e25d11ea fix English grammar Igor Sysoev <igor@sysoev.ru> parents: 1554 diff changeset	1036 v->no_cacheable = 0;
573 58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1037 v->not_found = 0;
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1038
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1039 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	1040
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1041 if (ctx == NULL \|\| ctx->zout == 0) {
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1042 v->not_found = 1;
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1043 return NGX_OK;
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
2049 2a92804f4109 ) back out r2040 Igor Sysoev <igor@sysoev.ru>* parents: 1790 diff changeset	1046 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	1047 if (v->data == NULL) {
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1048 return NGX_ERROR;
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1049 }
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 zint = (ngx_uint_t) (ctx->zin / ctx->zout);
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1052 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	1053
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1054 if ((ctx->zin * 1000 / ctx->zout) % 10 > 4) {
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1055
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1056 /* 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	1057
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1058 zfrac++;
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1059
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1060 if (zfrac > 99) {
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1061 zint++;
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1062 zfrac = 0;
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1063 }
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1064 }
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1065
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1066 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	1067
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1068 return NGX_OK;
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1069 }
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1070
58475592100c nginx-0.3.8-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 553 diff changeset	1071
497 d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	1072 static void *
d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	1073 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	1074 {
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	1075 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	1076
501 d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 497 diff changeset	1077 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	1078 if (conf == NULL) {
2912 c7d57b539248 return NULL instead of NGX_CONF_ERROR on a create conf failure Igor Sysoev <igor@sysoev.ru> parents: 2542 diff changeset	1079 return NULL;
430 1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	1080 }
134 d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	1081
430 1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	1082 /*
479 c52408583801 nginx-0.1.14-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	1083 * set by ngx_pcalloc():
c52408583801 nginx-0.1.14-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	1084 *
c52408583801 nginx-0.1.14-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	1085 * 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	1086 * conf->types = { NULL };
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2051 diff changeset	1087 * 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	1088 */
320 d621239c30f7 nginx-0.0.3-2004-04-18-23:06:02 import Igor Sysoev <igor@sysoev.ru> parents: 319 diff changeset	1089
134 d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	1090 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	1091 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	1092
2542 925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	1093 conf->postpone_gzipping = NGX_CONF_UNSET_SIZE;
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1094 conf->level = NGX_CONF_UNSET;
2542 925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	1095 conf->wbits = NGX_CONF_UNSET_SIZE;
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	1096 conf->memlevel = NGX_CONF_UNSET_SIZE;
356 2e3cbc1bbe3c nginx-0.0.7-2004-06-16-19:32:11 import Igor Sysoev <igor@sysoev.ru> parents: 355 diff changeset	1097 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	1098
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	1099 return conf;
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	1100 }
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	1101
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	1102
497 d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	1103 static char *
d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	1104 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	1105 {
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	1106 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	1107 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	1108
d57c6835225c nginx-0.0.1-2003-09-26-09:45:21 import Igor Sysoev <igor@sysoev.ru> parents: 133 diff changeset	1109 ngx_conf_merge_value(conf->enable, prev->enable, 0);
2542 925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	1110 ngx_conf_merge_value(conf->no_buffer, prev->no_buffer, 0);
314 d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	1111
2412 086c20fe2e97 set default gzip_buffers to 32 4k or 16 8k Igor Sysoev <igor@sysoev.ru> parents: 2410 diff changeset	1112 ngx_conf_merge_bufs_value(conf->bufs, prev->bufs,
086c20fe2e97 set default gzip_buffers to 32 4k or 16 8k Igor Sysoev <igor@sysoev.ru> parents: 2410 diff changeset	1113 (128 * 1024) / ngx_pagesize, ngx_pagesize);
314 d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	1114
2542 925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	1115 ngx_conf_merge_size_value(conf->postpone_gzipping, prev->postpone_gzipping,
925b5df2e0c2 fix postponed zlib memory allocation, introduced in r2411 Igor Sysoev <igor@sysoev.ru> parents: 2536 diff changeset	1116 0);
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1117 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	1118 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	1119 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	1120 MAX_MEM_LEVEL - 1);
577 4d9ea73a627a nginx-0.3.10-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 573 diff changeset	1121 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	1122
3372 6b8e5c882e47 support "" in gzip_types, ssi_types, etc Igor Sysoev <igor@sysoev.ru>* parents: 3314 diff changeset	1123 if (ngx_http_merge_types(cf, &conf->types_keys, &conf->types,
6b8e5c882e47 support "" in gzip_types, ssi_types, etc Igor Sysoev <igor@sysoev.ru>* parents: 3314 diff changeset	1124 &prev->types_keys, &prev->types,
2166 723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2051 diff changeset	1125 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	1126 != NGX_OK)
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2051 diff changeset	1127 {
723df5089c05 use hash in gzip_types, ssi_types, and sub_filter_types Igor Sysoev <igor@sysoev.ru> parents: 2051 diff changeset	1128 return NGX_CONF_ERROR;
452 23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	1129 }
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	1130
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	1131 return NGX_CONF_OK;
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	1132 }
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	1133
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	1134
681 7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 663 diff changeset	1135 static ngx_int_t
7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 663 diff changeset	1136 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	1137 {
7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 663 diff changeset	1138 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	1139 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	1140
7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 663 diff changeset	1141 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	1142 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	1143
7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 663 diff changeset	1144 return NGX_OK;
7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 663 diff changeset	1145 }
7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 663 diff changeset	1146
7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 663 diff changeset	1147
497 d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	1148 static char *
527 7fa11e5c6e96 nginx-0.1.38-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 513 diff changeset	1149 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	1150 {
2290 1a7567e5b988 change int to size_t Igor Sysoev <igor@sysoev.ru> parents: 2288 diff changeset	1151 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	1152
2290 1a7567e5b988 change int to size_t Igor Sysoev <igor@sysoev.ru> parents: 2288 diff changeset	1153 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	1154
430 1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	1155 wbits = 15;
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1156
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1157 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	1158
158 d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import Igor Sysoev <igor@sysoev.ru> parents: 157 diff changeset	1159 if (wsize == *np) {
d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import Igor Sysoev <igor@sysoev.ru> parents: 157 diff changeset	1160 *np = wbits;
430 1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	1161
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	1162 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	1163 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1164
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1165 wbits--;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1166 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1167
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1168 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	1169 }
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
497 d7c90bb5ce83 nginx-0.1.23-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 489 diff changeset	1172 static char *
527 7fa11e5c6e96 nginx-0.1.38-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 513 diff changeset	1173 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	1174 {
2290 1a7567e5b988 change int to size_t Igor Sysoev <igor@sysoev.ru> parents: 2288 diff changeset	1175 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	1176
2290 1a7567e5b988 change int to size_t Igor Sysoev <igor@sysoev.ru> parents: 2288 diff changeset	1177 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	1178
430 1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	1179 memlevel = 9;
156 afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1180
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1181 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	1182
158 d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import Igor Sysoev <igor@sysoev.ru> parents: 157 diff changeset	1183 if (hsize == *np) {
d377ee423603 nginx-0.0.1-2003-10-24-10:53:41 import Igor Sysoev <igor@sysoev.ru> parents: 157 diff changeset	1184 *np = memlevel;
430 1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	1185
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	1186 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	1187 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1188
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1189 memlevel--;
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1190 }
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1191
afc333135a6b nginx-0.0.1-2003-10-23-10:13:16 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	1192 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	1193 }

Mercurial > hg > nginx

annotate src/http/modules/ngx_http_gzip_filter_module.c @ 3516:dd1570b6f237