nginx-quic: src/http/modules/ngx_http_chunked_filter

annotate src/http/modules/ngx_http_chunked_filter_module.c @ 4207:4fc91bae6f83

Better recheck of dead upstream servers. Previously nginx used to mark backend again as live as soon as fail_timeout passes (10s by default) since last failure. On the other hand, detecting dead backend takes up to 60s (proxy_connect_timeout) in typical situation "backend is down and doesn't respond to any packets". This resulted in suboptimal behaviour in the above situation (up to 23% of requests were directed to dead backend with default settings). More detailed description of the problem may be found here (in Russian): http://mailman.nginx.org/pipermail/nginx-ru/2011-August/042172.html Fix is to only allow one request after fail_timeout passes, and mark backend as "live" only if this request succeeds. Note that with new code backend will not be marked "live" unless "check" request is completed, and this may take a while in some specific workloads (e.g. streaming). This is believed to be acceptable.

author	Maxim Dounin <mdounin@mdounin.ru>
date	Wed, 12 Oct 2011 14:22:48 +0000
parents	4b0b0e77dc3d
children	d620f497c50f

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: 356 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: 356 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: 356 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: 356 diff changeset	5
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	6
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	7 #include <ngx_config.h>
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	8 #include <ngx_core.h>
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	9 #include <ngx_http.h>
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	10
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	11
4113 a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	12 typedef struct {
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	13 ngx_chain_t *free;
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	14 ngx_chain_t *busy;
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	15 } ngx_http_chunked_filter_ctx_t;
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	16
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	17
681 7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 667 diff changeset	18 static ngx_int_t ngx_http_chunked_filter_init(ngx_conf_t *cf);
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	19
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	20
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	21 static ngx_http_module_t ngx_http_chunked_filter_module_ctx = {
509 9b8c906f6e63 nginx-0.1.29-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 501 diff changeset	22 NULL, /* preconfiguration */
681 7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 667 diff changeset	23 ngx_http_chunked_filter_init, /* postconfiguration */
177 4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 155 diff changeset	24
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	25 NULL, /* create main configuration */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	26 NULL, /* init main configuration */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	27
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	28 NULL, /* create server configuration */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	29 NULL, /* merge server configuration */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	30
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	31 NULL, /* create location configuration */
629 65bf042c0b4f nginx-0.3.36-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 615 diff changeset	32 NULL /* merge location configuration */
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	33 };
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	34
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	35
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	36 ngx_module_t ngx_http_chunked_filter_module = {
509 9b8c906f6e63 nginx-0.1.29-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 501 diff changeset	37 NGX_MODULE_V1,
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	38 &ngx_http_chunked_filter_module_ctx, /* module context */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	39 NULL, /* module directives */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	40 NGX_HTTP_MODULE, /* module type */
541 b09ee85d0ac8 nginx-0.1.45-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 509 diff changeset	41 NULL, /* init master */
681 7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 667 diff changeset	42 NULL, /* init module */
541 b09ee85d0ac8 nginx-0.1.45-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 509 diff changeset	43 NULL, /* init process */
b09ee85d0ac8 nginx-0.1.45-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 509 diff changeset	44 NULL, /* init thread */
b09ee85d0ac8 nginx-0.1.45-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 509 diff changeset	45 NULL, /* exit thread */
b09ee85d0ac8 nginx-0.1.45-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 509 diff changeset	46 NULL, /* exit process */
b09ee85d0ac8 nginx-0.1.45-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 509 diff changeset	47 NULL, /* exit master */
b09ee85d0ac8 nginx-0.1.45-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 509 diff changeset	48 NGX_MODULE_V1_PADDING
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	49 };
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	50
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	51
155 46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import Igor Sysoev <igor@sysoev.ru> parents: 153 diff changeset	52 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: 153 diff changeset	53 static ngx_http_output_body_filter_pt ngx_http_next_body_filter;
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	54
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	55
501 d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 483 diff changeset	56 static ngx_int_t
d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 483 diff changeset	57 ngx_http_chunked_header_filter(ngx_http_request_t *r)
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	58 {
4113 a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	59 ngx_http_core_loc_conf_t *clcf;
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	60 ngx_http_chunked_filter_ctx_t *ctx;
3484 81457372d938 chunked_transfer_encoding Igor Sysoev <igor@sysoev.ru> parents: 3411 diff changeset	61
615 5ef026a2ac74 nginx-0.3.29-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 597 diff changeset	62 if (r->headers_out.status == NGX_HTTP_NOT_MODIFIED
5ef026a2ac74 nginx-0.3.29-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 597 diff changeset	63 \|\| r->headers_out.status == NGX_HTTP_NO_CONTENT
3331 e0bc43a52382 backout r3325: postpone filter is a body only filter Igor Sysoev <igor@sysoev.ru> parents: 3324 diff changeset	64 \|\| r != r->main
2270 e274c8e5d49c do not set "Transfer-Encoding: chunked" for HEAD requests Igor Sysoev <igor@sysoev.ru> parents: 681 diff changeset	65 \|\| (r->method & NGX_HTTP_HEAD))
615 5ef026a2ac74 nginx-0.3.29-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 597 diff changeset	66 {
155 46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import Igor Sysoev <igor@sysoev.ru> parents: 153 diff changeset	67 return ngx_http_next_header_filter(r);
135 e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import Igor Sysoev <igor@sysoev.ru> parents: 113 diff changeset	68 }
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import Igor Sysoev <igor@sysoev.ru> parents: 113 diff changeset	69
153 c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import Igor Sysoev <igor@sysoev.ru> parents: 135 diff changeset	70 if (r->headers_out.content_length_n == -1) {
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	71 if (r->http_version < NGX_HTTP_VERSION_11) {
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	72 r->keepalive = 0;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	73
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	74 } else {
3484 81457372d938 chunked_transfer_encoding Igor Sysoev <igor@sysoev.ru> parents: 3411 diff changeset	75 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
81457372d938 chunked_transfer_encoding Igor Sysoev <igor@sysoev.ru> parents: 3411 diff changeset	76
81457372d938 chunked_transfer_encoding Igor Sysoev <igor@sysoev.ru> parents: 3411 diff changeset	77 if (clcf->chunked_transfer_encoding) {
81457372d938 chunked_transfer_encoding Igor Sysoev <igor@sysoev.ru> parents: 3411 diff changeset	78 r->chunked = 1;
81457372d938 chunked_transfer_encoding Igor Sysoev <igor@sysoev.ru> parents: 3411 diff changeset	79
4113 a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	80 ctx = ngx_pcalloc(r->pool,
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	81 sizeof(ngx_http_chunked_filter_ctx_t));
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	82 if (ctx == NULL) {
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	83 return NGX_ERROR;
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	84 }
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	85
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	86 ngx_http_set_ctx(r, ctx, ngx_http_chunked_filter_module);
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	87
3484 81457372d938 chunked_transfer_encoding Igor Sysoev <igor@sysoev.ru> parents: 3411 diff changeset	88 } else {
81457372d938 chunked_transfer_encoding Igor Sysoev <igor@sysoev.ru> parents: 3411 diff changeset	89 r->keepalive = 0;
81457372d938 chunked_transfer_encoding Igor Sysoev <igor@sysoev.ru> parents: 3411 diff changeset	90 }
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	91 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	92 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	93
155 46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import Igor Sysoev <igor@sysoev.ru> parents: 153 diff changeset	94 return ngx_http_next_header_filter(r);
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	95 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	96
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	97
501 d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 483 diff changeset	98 static ngx_int_t
d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 483 diff changeset	99 ngx_http_chunked_body_filter(ngx_http_request_t r, ngx_chain_t in)
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	100 {
4113 a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	101 u_char *chunk;
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	102 off_t size;
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	103 ngx_int_t rc;
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	104 ngx_buf_t *b;
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	105 ngx_chain_t out, cl, tl, *ll;
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	106 ngx_http_chunked_filter_ctx_t *ctx;
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	107
483 621229427cba nginx-0.1.16-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 473 diff changeset	108 if (in == NULL \|\| !r->chunked \|\| r->header_only) {
155 46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import Igor Sysoev <igor@sysoev.ru> parents: 153 diff changeset	109 return ngx_http_next_body_filter(r, in);
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	110 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	111
4113 a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	112 ctx = ngx_http_get_module_ctx(r, ngx_http_chunked_filter_module);
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	113
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	114 out = NULL;
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	115 ll = &out;
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	116
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	117 size = 0;
155 46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import Igor Sysoev <igor@sysoev.ru> parents: 153 diff changeset	118 cl = in;
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	119
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	120 for ( ;; ) {
336 ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import Igor Sysoev <igor@sysoev.ru> parents: 292 diff changeset	121 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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: 337 diff changeset	122 "http chunk: %d", ngx_buf_size(cl->buf));
336 ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import Igor Sysoev <igor@sysoev.ru> parents: 292 diff changeset	123
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: 337 diff changeset	124 size += ngx_buf_size(cl->buf);
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	125
667 63a820b0bc6c nginx-0.3.55-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	126 if (cl->buf->flush
63a820b0bc6c nginx-0.3.55-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	127 \|\| cl->buf->sync
63a820b0bc6c nginx-0.3.55-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	128 \|\| ngx_buf_in_memory(cl->buf)
63a820b0bc6c nginx-0.3.55-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	129 \|\| cl->buf->in_file)
63a820b0bc6c nginx-0.3.55-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 633 diff changeset	130 {
501 d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 483 diff changeset	131 tl = ngx_alloc_chain_link(r->pool);
d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 483 diff changeset	132 if (tl == NULL) {
461 a88a3e4e158f nginx-0.1.5-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 455 diff changeset	133 return NGX_ERROR;
a88a3e4e158f nginx-0.1.5-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 455 diff changeset	134 }
a88a3e4e158f nginx-0.1.5-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 455 diff changeset	135
452 23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	136 tl->buf = cl->buf;
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	137 *ll = tl;
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	138 ll = &tl->next;
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	139 }
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	140
155 46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import Igor Sysoev <igor@sysoev.ru> parents: 153 diff changeset	141 if (cl->next == NULL) {
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	142 break;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	143 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	144
155 46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import Igor Sysoev <igor@sysoev.ru> parents: 153 diff changeset	145 cl = cl->next;
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	146 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	147
336 ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import Igor Sysoev <igor@sysoev.ru> parents: 292 diff changeset	148 if (size) {
4113 a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	149 tl = ngx_chain_get_free_buf(r->pool, &ctx->free);
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	150 if (tl == NULL) {
455 295d97d70c69 nginx-0.1.2-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 452 diff changeset	151 return NGX_ERROR;
295d97d70c69 nginx-0.1.2-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 452 diff changeset	152 }
295d97d70c69 nginx-0.1.2-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 452 diff changeset	153
4113 a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	154 b = tl->buf;
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	155 chunk = b->start;
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	156
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	157 if (chunk == NULL) {
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	158 /* the "0000000000000000" is 64-bit hexadecimal string */
501 d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 483 diff changeset	159
4113 a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	160 chunk = ngx_palloc(r->pool, sizeof("0000000000000000" CRLF) - 1);
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	161 if (chunk == NULL) {
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	162 return NGX_ERROR;
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	163 }
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	164
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	165 b->start = chunk;
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	166 b->end = chunk + sizeof("0000000000000000" CRLF) - 1;
455 295d97d70c69 nginx-0.1.2-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 452 diff changeset	167 }
295d97d70c69 nginx-0.1.2-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 452 diff changeset	168
4113 a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	169 b->tag = (ngx_buf_tag_t) &ngx_http_chunked_filter_module;
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	170 b->memory = 0;
455 295d97d70c69 nginx-0.1.2-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 452 diff changeset	171 b->temporary = 1;
295d97d70c69 nginx-0.1.2-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 452 diff changeset	172 b->pos = chunk;
473 8e8f3af115b5 nginx-0.1.11-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 461 diff changeset	173 b->last = ngx_sprintf(chunk, "%xO" CRLF, size);
455 295d97d70c69 nginx-0.1.2-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 452 diff changeset	174
4113 a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	175 tl->next = out;
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	176 out = tl;
336 ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import Igor Sysoev <igor@sysoev.ru> parents: 292 diff changeset	177 }
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	178
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: 337 diff changeset	179 if (cl->buf->last_buf) {
4113 a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	180 tl = ngx_chain_get_free_buf(r->pool, &ctx->free);
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	181 if (tl == NULL) {
461 a88a3e4e158f nginx-0.1.5-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 455 diff changeset	182 return NGX_ERROR;
a88a3e4e158f nginx-0.1.5-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 455 diff changeset	183 }
4128 4b0b0e77dc3d Trailing space fix. Maxim Dounin <mdounin@mdounin.ru> parents: 4114 diff changeset	184
4113 a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	185 b = tl->buf;
461 a88a3e4e158f nginx-0.1.5-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 455 diff changeset	186
4113 a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	187 b->tag = (ngx_buf_tag_t) &ngx_http_chunked_filter_module;
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	188 b->temporary = 0;
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: 337 diff changeset	189 b->memory = 1;
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: 337 diff changeset	190 b->last_buf = 1;
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: 337 diff changeset	191 b->pos = (u_char *) CRLF "0" CRLF CRLF;
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: 337 diff changeset	192 b->last = b->pos + 7;
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	193
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: 337 diff changeset	194 cl->buf->last_buf = 0;
336 ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import Igor Sysoev <igor@sysoev.ru> parents: 292 diff changeset	195
4113 a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	196 *ll = tl;
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	197
336 ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import Igor Sysoev <igor@sysoev.ru> parents: 292 diff changeset	198 if (size == 0) {
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: 337 diff changeset	199 b->pos += 2;
336 ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import Igor Sysoev <igor@sysoev.ru> parents: 292 diff changeset	200 }
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import Igor Sysoev <igor@sysoev.ru> parents: 292 diff changeset	201
4113 a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	202 } else if (size > 0) {
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	203 tl = ngx_chain_get_free_buf(r->pool, &ctx->free);
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	204 if (tl == NULL) {
461 a88a3e4e158f nginx-0.1.5-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 455 diff changeset	205 return NGX_ERROR;
a88a3e4e158f nginx-0.1.5-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 455 diff changeset	206 }
a88a3e4e158f nginx-0.1.5-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 455 diff changeset	207
4113 a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	208 b = tl->buf;
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	209
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	210 b->tag = (ngx_buf_tag_t) &ngx_http_chunked_filter_module;
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	211 b->temporary = 0;
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: 337 diff changeset	212 b->memory = 1;
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: 337 diff changeset	213 b->pos = (u_char *) CRLF;
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: 337 diff changeset	214 b->last = b->pos + 2;
4113 a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	215
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	216 *ll = tl;
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	217
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	218 } else {
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	219 *ll = NULL;
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	220 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	221
4113 a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	222 rc = ngx_http_next_body_filter(r, out);
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	223
4114 5db098f97e0e API change: ngx_chain_update_chains() now requires pool. Maxim Dounin <mdounin@mdounin.ru> parents: 4113 diff changeset	224 ngx_chain_update_chains(r->pool, &ctx->free, &ctx->busy, &out,
4113 a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	225 (ngx_buf_tag_t) &ngx_http_chunked_filter_module);
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	226
a28ba1cdec27 Buffers reuse in chunked filter. Maxim Dounin <mdounin@mdounin.ru> parents: 3484 diff changeset	227 return rc;
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	228 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	229
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	230
501 d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 483 diff changeset	231 static ngx_int_t
681 7e24168b0853 nginx-0.4.0-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 667 diff changeset	232 ngx_http_chunked_filter_init(ngx_conf_t *cf)
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	233 {
155 46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import Igor Sysoev <igor@sysoev.ru> parents: 153 diff changeset	234 ngx_http_next_header_filter = ngx_http_top_header_filter;
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	235 ngx_http_top_header_filter = ngx_http_chunked_header_filter;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	236
155 46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import Igor Sysoev <igor@sysoev.ru> parents: 153 diff changeset	237 ngx_http_next_body_filter = ngx_http_top_body_filter;
99 a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	238 ngx_http_top_body_filter = ngx_http_chunked_body_filter;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	239
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	240 return NGX_OK;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	241 }

Mercurial > hg > nginx-quic

annotate src/http/modules/ngx_http_chunked_filter_module.c @ 4207:4fc91bae6f83