nginx-quic: src/os/unix/ngx_freebsd_sendfile

annotate src/os/unix/ngx_freebsd_sendfile_chain.c @ 5905:2f7e557eab5b

Cache: proxy_cache_lock_age and friends. Once this age is reached, the cache lock is discarded and another request can acquire the lock. Requests which failed to acquire the lock are not allowed to cache the response.

author	Roman Arutyunyan <arut@nginx.com>
date	Tue, 18 Nov 2014 20:41:12 +0300
parents	6bbad2e73245
children	de68ed551bfb

rev	line source
272 d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import Igor Sysoev <igor@sysoev.ru> parents: 265 diff changeset	1
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import Igor Sysoev <igor@sysoev.ru> parents: 265 diff changeset	2 /*
444 42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright Igor Sysoev <igor@sysoev.ru> parents: 441 diff changeset	3 * Copyright (C) Igor Sysoev
4412 d620f497c50f Copyright updated. Maxim Konovalov <maxim@nginx.com> parents: 4335 diff changeset	4 * Copyright (C) Nginx, Inc.
272 d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import Igor Sysoev <igor@sysoev.ru> parents: 265 diff changeset	5 */
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import Igor Sysoev <igor@sysoev.ru> parents: 265 diff changeset	6
63 36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	7
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	8 #include <ngx_config.h>
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	9 #include <ngx_core.h>
142 cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import Igor Sysoev <igor@sysoev.ru> parents: 103 diff changeset	10 #include <ngx_event.h>
63 36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	11
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	12
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	13 /*
479 c52408583801 nginx-0.1.14-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	14 * Although FreeBSD sendfile() allows to pass a header and a trailer,
4133 59b99f217c6d Replaced "can not" with "cannot" and "could not" in a bunch of places. Ruslan Ermilov <ru@nginx.com> parents: 3081 diff changeset	15 * it cannot send a header with a part of the file in one packet until
479 c52408583801 nginx-0.1.14-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	16 * FreeBSD 5.3. Besides, over the fast ethernet connection sendfile()
361 446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	17 * may send the partially filled packets, i.e. the 8 file pages may be sent
290 87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import Igor Sysoev <igor@sysoev.ru> parents: 272 diff changeset	18 * as the 11 full 1460-bytes packets, then one incomplete 324-bytes packet,
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import Igor Sysoev <igor@sysoev.ru> parents: 272 diff changeset	19 * and then again the 11 full 1460-bytes packets.
142 cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import Igor Sysoev <igor@sysoev.ru> parents: 103 diff changeset	20 *
4572 67653855682e Fixed spelling in multiline C comments. Ruslan Ermilov <ru@nginx.com> parents: 4499 diff changeset	21 * Therefore we use the TCP_NOPUSH option (similar to Linux's TCP_CORK)
479 c52408583801 nginx-0.1.14-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	22 * to postpone the sending - it not only sends a header and the first part of
c52408583801 nginx-0.1.14-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	23 * the file in one packet, but also sends the file pages in the full packets.
253 b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import Igor Sysoev <igor@sysoev.ru> parents: 218 diff changeset	24 *
501 d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 483 diff changeset	25 * But until FreeBSD 4.5 turning TCP_NOPUSH off does not flush a pending
d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 483 diff changeset	26 * data that less than MSS, so that data may be sent with 5 second delay.
d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 483 diff changeset	27 * So we do not use TCP_NOPUSH on FreeBSD prior to 4.5, although it can be used
143 5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import Igor Sysoev <igor@sysoev.ru> parents: 142 diff changeset	28 * for non-keepalive HTTP connections.
142 cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import Igor Sysoev <igor@sysoev.ru> parents: 103 diff changeset	29 */
63 36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	30
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	31
501 d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 483 diff changeset	32 ngx_chain_t *
d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 483 diff changeset	33 ngx_freebsd_sendfile_chain(ngx_connection_t c, ngx_chain_t in, off_t limit)
63 36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	34 {
3065 113cd532b328 aio sendfile Igor Sysoev <igor@sysoev.ru> parents: 3063 diff changeset	35 int rc, flags;
290 87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import Igor Sysoev <igor@sysoev.ru> parents: 272 diff changeset	36 u_char *prev;
473 8e8f3af115b5 nginx-0.1.11-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	37 off_t size, send, prev_send, aligned, sent, fprev;
8e8f3af115b5 nginx-0.1.11-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	38 size_t header_size, file_size;
5851 150df089fe47 Removed the "complete" variable from various send chain functions. Valentin Bartenev <vbart@nginx.com> parents: 5850 diff changeset	39 ngx_uint_t eintr, eagain;
63 36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	40 ngx_err_t err;
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: 297 diff changeset	41 ngx_buf_t *file;
63 36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	42 ngx_array_t header, trailer;
170 c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: 163 diff changeset	43 ngx_event_t *wev;
362 7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import Igor Sysoev <igor@sysoev.ru> parents: 361 diff changeset	44 ngx_chain_t *cl;
428 5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import Igor Sysoev <igor@sysoev.ru> parents: 402 diff changeset	45 struct sf_hdtr hdtr;
5854 b63e829621ab Generalized definitions of the number of preallocated iovec's. Valentin Bartenev <vbart@nginx.com> parents: 5851 diff changeset	46 struct iovec *iov;
b63e829621ab Generalized definitions of the number of preallocated iovec's. Valentin Bartenev <vbart@nginx.com> parents: 5851 diff changeset	47 struct iovec headers[NGX_IOVS_PREALLOCATE];
b63e829621ab Generalized definitions of the number of preallocated iovec's. Valentin Bartenev <vbart@nginx.com> parents: 5851 diff changeset	48 struct iovec trailers[NGX_IOVS_PREALLOCATE];
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	49
170 c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: 163 diff changeset	50 wev = c->write;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: 163 diff changeset	51
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: 163 diff changeset	52 if (!wev->ready) {
144 ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import Igor Sysoev <igor@sysoev.ru> parents: 143 diff changeset	53 return in;
ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import Igor Sysoev <igor@sysoev.ru> parents: 143 diff changeset	54 }
ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import Igor Sysoev <igor@sysoev.ru> parents: 143 diff changeset	55
469 2ff194b74f1e nginx-0.1.9-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 461 diff changeset	56 #if (NGX_HAVE_KQUEUE)
170 c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: 163 diff changeset	57
587 284cc140593b nginx-0.3.15-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 581 diff changeset	58 if ((ngx_event_flags & NGX_USE_KQUEUE_EVENT) && wev->pending_eof) {
537 c9ad0d9c7d59 nginx-0.1.43-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 501 diff changeset	59 (void) ngx_connection_error(c, wev->kq_errno,
c9ad0d9c7d59 nginx-0.1.43-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 501 diff changeset	60 "kevent() reported about an closed connection");
170 c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: 163 diff changeset	61 wev->error = 1;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: 163 diff changeset	62 return NGX_CHAIN_ERROR;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: 163 diff changeset	63 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: 163 diff changeset	64
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: 163 diff changeset	65 #endif
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: 163 diff changeset	66
473 8e8f3af115b5 nginx-0.1.11-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	67 /* the maximum limit size is the maximum size_t value - the page size */
8e8f3af115b5 nginx-0.1.11-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	68
1354 f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms Igor Sysoev <igor@sysoev.ru> parents: 1182 diff changeset	69 if (limit == 0 \|\| limit > (off_t) (NGX_MAX_SIZE_T_VALUE - ngx_pagesize)) {
477 ad1e9ebf93bb nginx-0.1.13-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 473 diff changeset	70 limit = NGX_MAX_SIZE_T_VALUE - ngx_pagesize;
473 8e8f3af115b5 nginx-0.1.11-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	71 }
8e8f3af115b5 nginx-0.1.11-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	72
362 7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import Igor Sysoev <igor@sysoev.ru> parents: 361 diff changeset	73 send = 0;
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import Igor Sysoev <igor@sysoev.ru> parents: 361 diff changeset	74 eagain = 0;
3065 113cd532b328 aio sendfile Igor Sysoev <igor@sysoev.ru> parents: 3063 diff changeset	75 flags = 0;
361 446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	76
428 5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import Igor Sysoev <igor@sysoev.ru> parents: 402 diff changeset	77 header.elts = headers;
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import Igor Sysoev <igor@sysoev.ru> parents: 402 diff changeset	78 header.size = sizeof(struct iovec);
5854 b63e829621ab Generalized definitions of the number of preallocated iovec's. Valentin Bartenev <vbart@nginx.com> parents: 5851 diff changeset	79 header.nalloc = NGX_IOVS_PREALLOCATE;
428 5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import Igor Sysoev <igor@sysoev.ru> parents: 402 diff changeset	80 header.pool = c->pool;
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import Igor Sysoev <igor@sysoev.ru> parents: 402 diff changeset	81
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import Igor Sysoev <igor@sysoev.ru> parents: 402 diff changeset	82 trailer.elts = trailers;
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import Igor Sysoev <igor@sysoev.ru> parents: 402 diff changeset	83 trailer.size = sizeof(struct iovec);
5854 b63e829621ab Generalized definitions of the number of preallocated iovec's. Valentin Bartenev <vbart@nginx.com> parents: 5851 diff changeset	84 trailer.nalloc = NGX_IOVS_PREALLOCATE;
428 5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import Igor Sysoev <igor@sysoev.ru> parents: 402 diff changeset	85 trailer.pool = c->pool;
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import Igor Sysoev <igor@sysoev.ru> parents: 402 diff changeset	86
362 7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import Igor Sysoev <igor@sysoev.ru> parents: 361 diff changeset	87 for ( ;; ) {
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	88 file = NULL;
473 8e8f3af115b5 nginx-0.1.11-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	89 file_size = 0;
8e8f3af115b5 nginx-0.1.11-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	90 header_size = 0;
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	91 eintr = 0;
473 8e8f3af115b5 nginx-0.1.11-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	92 prev_send = send;
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	93
428 5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import Igor Sysoev <igor@sysoev.ru> parents: 402 diff changeset	94 header.nelts = 0;
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import Igor Sysoev <igor@sysoev.ru> parents: 402 diff changeset	95 trailer.nelts = 0;
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	96
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: 297 diff changeset	97 /* create the header iovec and coalesce the neighbouring bufs */
143 5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import Igor Sysoev <igor@sysoev.ru> parents: 142 diff changeset	98
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import Igor Sysoev <igor@sysoev.ru> parents: 142 diff changeset	99 prev = NULL;
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import Igor Sysoev <igor@sysoev.ru> parents: 142 diff changeset	100 iov = NULL;
142 cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import Igor Sysoev <igor@sysoev.ru> parents: 103 diff changeset	101
4596 089cc5154c1e IOV_MAX handling microoptimization. Maxim Dounin <mdounin@mdounin.ru> parents: 4572 diff changeset	102 for (cl = in; cl && send < limit; cl = cl->next) {
089cc5154c1e IOV_MAX handling microoptimization. Maxim Dounin <mdounin@mdounin.ru> parents: 4572 diff changeset	103
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: 297 diff changeset	104 if (ngx_buf_special(cl->buf)) {
143 5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import Igor Sysoev <igor@sysoev.ru> parents: 142 diff changeset	105 continue;
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import Igor Sysoev <igor@sysoev.ru> parents: 142 diff changeset	106 }
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	107
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: 297 diff changeset	108 if (!ngx_buf_in_memory_only(cl->buf)) {
143 5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import Igor Sysoev <igor@sysoev.ru> parents: 142 diff changeset	109 break;
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import Igor Sysoev <igor@sysoev.ru> parents: 142 diff changeset	110 }
142 cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import Igor Sysoev <igor@sysoev.ru> parents: 103 diff changeset	111
361 446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	112 size = cl->buf->last - cl->buf->pos;
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	113
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	114 if (send + size > limit) {
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	115 size = limit - send;
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	116 }
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	117
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: 297 diff changeset	118 if (prev == cl->buf->pos) {
473 8e8f3af115b5 nginx-0.1.11-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	119 iov->iov_len += (size_t) size;
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	120
143 5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import Igor Sysoev <igor@sysoev.ru> parents: 142 diff changeset	121 } else {
4596 089cc5154c1e IOV_MAX handling microoptimization. Maxim Dounin <mdounin@mdounin.ru> parents: 4572 diff changeset	122 if (header.nelts >= IOV_MAX){
089cc5154c1e IOV_MAX handling microoptimization. Maxim Dounin <mdounin@mdounin.ru> parents: 4572 diff changeset	123 break;
089cc5154c1e IOV_MAX handling microoptimization. Maxim Dounin <mdounin@mdounin.ru> parents: 4572 diff changeset	124 }
089cc5154c1e IOV_MAX handling microoptimization. Maxim Dounin <mdounin@mdounin.ru> parents: 4572 diff changeset	125
501 d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 483 diff changeset	126 iov = ngx_array_push(&header);
d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 483 diff changeset	127 if (iov == NULL) {
428 5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import Igor Sysoev <igor@sysoev.ru> parents: 402 diff changeset	128 return NGX_CHAIN_ERROR;
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import Igor Sysoev <igor@sysoev.ru> parents: 402 diff changeset	129 }
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import Igor Sysoev <igor@sysoev.ru> parents: 402 diff changeset	130
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: 297 diff changeset	131 iov->iov_base = (void *) cl->buf->pos;
473 8e8f3af115b5 nginx-0.1.11-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	132 iov->iov_len = (size_t) size;
143 5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import Igor Sysoev <igor@sysoev.ru> parents: 142 diff changeset	133 }
63 36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	134
473 8e8f3af115b5 nginx-0.1.11-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	135 prev = cl->buf->pos + (size_t) size;
8e8f3af115b5 nginx-0.1.11-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	136 header_size += (size_t) size;
361 446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	137 send += size;
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	138 }
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	139
142 cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import Igor Sysoev <igor@sysoev.ru> parents: 103 diff changeset	140
362 7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import Igor Sysoev <igor@sysoev.ru> parents: 361 diff changeset	141 if (cl && cl->buf->in_file && send < limit) {
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: 297 diff changeset	142 file = cl->buf;
152 fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import Igor Sysoev <igor@sysoev.ru> parents: 144 diff changeset	143
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: 297 diff changeset	144 /* coalesce the neighbouring file bufs */
152 fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import Igor Sysoev <igor@sysoev.ru> parents: 144 diff changeset	145
361 446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	146 do {
473 8e8f3af115b5 nginx-0.1.11-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	147 size = cl->buf->file_last - cl->buf->file_pos;
361 446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	148
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	149 if (send + size > limit) {
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	150 size = limit - send;
362 7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import Igor Sysoev <igor@sysoev.ru> parents: 361 diff changeset	151
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import Igor Sysoev <igor@sysoev.ru> parents: 361 diff changeset	152 aligned = (cl->buf->file_pos + size + ngx_pagesize - 1)
1182 df449f4a8032 fix sendfile on 64-bit Linux and limit_rate on all 64-bit platforms Igor Sysoev <igor@sysoev.ru> parents: 597 diff changeset	153 & ~((off_t) ngx_pagesize - 1);
362 7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import Igor Sysoev <igor@sysoev.ru> parents: 361 diff changeset	154
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import Igor Sysoev <igor@sysoev.ru> parents: 361 diff changeset	155 if (aligned <= cl->buf->file_last) {
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import Igor Sysoev <igor@sysoev.ru> parents: 361 diff changeset	156 size = aligned - cl->buf->file_pos;
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import Igor Sysoev <igor@sysoev.ru> parents: 361 diff changeset	157 }
152 fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import Igor Sysoev <igor@sysoev.ru> parents: 144 diff changeset	158 }
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import Igor Sysoev <igor@sysoev.ru> parents: 144 diff changeset	159
473 8e8f3af115b5 nginx-0.1.11-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	160 file_size += (size_t) size;
361 446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	161 send += size;
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	162 fprev = cl->buf->file_pos + size;
155 46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import Igor Sysoev <igor@sysoev.ru> parents: 154 diff changeset	163 cl = cl->next;
361 446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	164
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	165 } while (cl
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	166 && cl->buf->in_file
362 7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import Igor Sysoev <igor@sysoev.ru> parents: 361 diff changeset	167 && send < limit
361 446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	168 && file->file->fd == cl->buf->file->fd
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	169 && fprev == cl->buf->file_pos);
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	170 }
63 36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	171
455 295d97d70c69 nginx-0.1.2-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	172
264 cd009bf7400d nginx-0.0.2-2004-02-19-19:48:14 import Igor Sysoev <igor@sysoev.ru> parents: 262 diff changeset	173 if (file) {
455 295d97d70c69 nginx-0.1.2-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	174
4499 778ef9c3fd2d Fixed spelling in single-line comments. Ruslan Ermilov <ru@nginx.com> parents: 4412 diff changeset	175 /* create the trailer iovec and coalesce the neighbouring bufs */
142 cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import Igor Sysoev <igor@sysoev.ru> parents: 103 diff changeset	176
264 cd009bf7400d nginx-0.0.2-2004-02-19-19:48:14 import Igor Sysoev <igor@sysoev.ru> parents: 262 diff changeset	177 prev = NULL;
cd009bf7400d nginx-0.0.2-2004-02-19-19:48:14 import Igor Sysoev <igor@sysoev.ru> parents: 262 diff changeset	178 iov = NULL;
cd009bf7400d nginx-0.0.2-2004-02-19-19:48:14 import Igor Sysoev <igor@sysoev.ru> parents: 262 diff changeset	179
4596 089cc5154c1e IOV_MAX handling microoptimization. Maxim Dounin <mdounin@mdounin.ru> parents: 4572 diff changeset	180 while (cl && send < limit) {
455 295d97d70c69 nginx-0.1.2-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	181
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: 297 diff changeset	182 if (ngx_buf_special(cl->buf)) {
455 295d97d70c69 nginx-0.1.2-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	183 cl = cl->next;
264 cd009bf7400d nginx-0.0.2-2004-02-19-19:48:14 import Igor Sysoev <igor@sysoev.ru> parents: 262 diff changeset	184 continue;
cd009bf7400d nginx-0.0.2-2004-02-19-19:48:14 import Igor Sysoev <igor@sysoev.ru> parents: 262 diff changeset	185 }
142 cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import Igor Sysoev <igor@sysoev.ru> parents: 103 diff changeset	186
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: 297 diff changeset	187 if (!ngx_buf_in_memory_only(cl->buf)) {
264 cd009bf7400d nginx-0.0.2-2004-02-19-19:48:14 import Igor Sysoev <igor@sysoev.ru> parents: 262 diff changeset	188 break;
cd009bf7400d nginx-0.0.2-2004-02-19-19:48:14 import Igor Sysoev <igor@sysoev.ru> parents: 262 diff changeset	189 }
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	190
361 446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	191 size = cl->buf->last - cl->buf->pos;
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	192
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	193 if (send + size > limit) {
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	194 size = limit - send;
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	195 }
446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	196
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: 297 diff changeset	197 if (prev == cl->buf->pos) {
473 8e8f3af115b5 nginx-0.1.11-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	198 iov->iov_len += (size_t) size;
63 36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	199
264 cd009bf7400d nginx-0.0.2-2004-02-19-19:48:14 import Igor Sysoev <igor@sysoev.ru> parents: 262 diff changeset	200 } else {
4596 089cc5154c1e IOV_MAX handling microoptimization. Maxim Dounin <mdounin@mdounin.ru> parents: 4572 diff changeset	201 if (trailer.nelts >= IOV_MAX){
089cc5154c1e IOV_MAX handling microoptimization. Maxim Dounin <mdounin@mdounin.ru> parents: 4572 diff changeset	202 break;
089cc5154c1e IOV_MAX handling microoptimization. Maxim Dounin <mdounin@mdounin.ru> parents: 4572 diff changeset	203 }
089cc5154c1e IOV_MAX handling microoptimization. Maxim Dounin <mdounin@mdounin.ru> parents: 4572 diff changeset	204
501 d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 483 diff changeset	205 iov = ngx_array_push(&trailer);
d4ea69372b94 nginx-0.1.25-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 483 diff changeset	206 if (iov == NULL) {
428 5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import Igor Sysoev <igor@sysoev.ru> parents: 402 diff changeset	207 return NGX_CHAIN_ERROR;
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import Igor Sysoev <igor@sysoev.ru> parents: 402 diff changeset	208 }
5e73d0ea4dab nginx-0.0.11-2004-09-16-20:10:13 import Igor Sysoev <igor@sysoev.ru> parents: 402 diff changeset	209
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: 297 diff changeset	210 iov->iov_base = (void *) cl->buf->pos;
473 8e8f3af115b5 nginx-0.1.11-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	211 iov->iov_len = (size_t) size;
264 cd009bf7400d nginx-0.0.2-2004-02-19-19:48:14 import Igor Sysoev <igor@sysoev.ru> parents: 262 diff changeset	212 }
cd009bf7400d nginx-0.0.2-2004-02-19-19:48:14 import Igor Sysoev <igor@sysoev.ru> parents: 262 diff changeset	213
473 8e8f3af115b5 nginx-0.1.11-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	214 prev = cl->buf->pos + (size_t) size;
361 446782c909b3 nginx-0.0.7-2004-06-20-23:54:15 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	215 send += size;
455 295d97d70c69 nginx-0.1.2-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	216 cl = cl->next;
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	217 }
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	218 }
67 5a7d1aaa1618 nginx-0.0.1-2003-03-11-23:38:13 import Igor Sysoev <igor@sysoev.ru> parents: 63 diff changeset	219
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	220 if (file) {
63 36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	221
344 e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import Igor Sysoev <igor@sysoev.ru> parents: 343 diff changeset	222 if (ngx_freebsd_use_tcp_nopush
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import Igor Sysoev <igor@sysoev.ru> parents: 343 diff changeset	223 && c->tcp_nopush == NGX_TCP_NOPUSH_UNSET)
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import Igor Sysoev <igor@sysoev.ru> parents: 343 diff changeset	224 {
101 2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import Igor Sysoev <igor@sysoev.ru> parents: 99 diff changeset	225 if (ngx_tcp_nopush(c->fd) == NGX_ERROR) {
5557 188481078faf Use ngx_socket_errno where appropriate. Piotr Sikora <piotr@cloudflare.com> parents: 5320 diff changeset	226 err = ngx_socket_errno;
253 b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import Igor Sysoev <igor@sysoev.ru> parents: 218 diff changeset	227
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import Igor Sysoev <igor@sysoev.ru> parents: 218 diff changeset	228 /*
479 c52408583801 nginx-0.1.14-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	229 * there is a tiny chance to be interrupted, however,
253 b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import Igor Sysoev <igor@sysoev.ru> parents: 218 diff changeset	230 * we continue a processing without the TCP_NOPUSH
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import Igor Sysoev <igor@sysoev.ru> parents: 218 diff changeset	231 */
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import Igor Sysoev <igor@sysoev.ru> parents: 218 diff changeset	232
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import Igor Sysoev <igor@sysoev.ru> parents: 218 diff changeset	233 if (err != NGX_EINTR) {
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import Igor Sysoev <igor@sysoev.ru> parents: 218 diff changeset	234 wev->error = 1;
537 c9ad0d9c7d59 nginx-0.1.43-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 501 diff changeset	235 (void) ngx_connection_error(c, err,
c9ad0d9c7d59 nginx-0.1.43-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 501 diff changeset	236 ngx_tcp_nopush_n " failed");
253 b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import Igor Sysoev <igor@sysoev.ru> parents: 218 diff changeset	237 return NGX_CHAIN_ERROR;
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import Igor Sysoev <igor@sysoev.ru> parents: 218 diff changeset	238 }
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import Igor Sysoev <igor@sysoev.ru> parents: 218 diff changeset	239
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import Igor Sysoev <igor@sysoev.ru> parents: 218 diff changeset	240 } else {
344 e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import Igor Sysoev <igor@sysoev.ru> parents: 343 diff changeset	241 c->tcp_nopush = NGX_TCP_NOPUSH_SET;
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import Igor Sysoev <igor@sysoev.ru> parents: 343 diff changeset	242
253 b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import Igor Sysoev <igor@sysoev.ru> parents: 218 diff changeset	243 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import Igor Sysoev <igor@sysoev.ru> parents: 218 diff changeset	244 "tcp_nopush");
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	245 }
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	246 }
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	247
4335 1003326eccc5 Microoptimization of sendfile(2) usage under FreeBSD. Maxim Dounin <mdounin@mdounin.ru> parents: 4133 diff changeset	248 /*
1003326eccc5 Microoptimization of sendfile(2) usage under FreeBSD. Maxim Dounin <mdounin@mdounin.ru> parents: 4133 diff changeset	249 * sendfile() does unneeded work if sf_hdtr's count is 0,
1003326eccc5 Microoptimization of sendfile(2) usage under FreeBSD. Maxim Dounin <mdounin@mdounin.ru> parents: 4133 diff changeset	250 * but corresponding pointer is not NULL
1003326eccc5 Microoptimization of sendfile(2) usage under FreeBSD. Maxim Dounin <mdounin@mdounin.ru> parents: 4133 diff changeset	251 */
1003326eccc5 Microoptimization of sendfile(2) usage under FreeBSD. Maxim Dounin <mdounin@mdounin.ru> parents: 4133 diff changeset	252
1003326eccc5 Microoptimization of sendfile(2) usage under FreeBSD. Maxim Dounin <mdounin@mdounin.ru> parents: 4133 diff changeset	253 hdtr.headers = header.nelts ? (struct iovec *) header.elts: NULL;
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	254 hdtr.hdr_cnt = header.nelts;
4335 1003326eccc5 Microoptimization of sendfile(2) usage under FreeBSD. Maxim Dounin <mdounin@mdounin.ru> parents: 4133 diff changeset	255 hdtr.trailers = trailer.nelts ? (struct iovec *) trailer.elts: NULL;
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	256 hdtr.trl_cnt = trailer.nelts;
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	257
153 c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import Igor Sysoev <igor@sysoev.ru> parents: 152 diff changeset	258 /*
155 46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import Igor Sysoev <igor@sysoev.ru> parents: 154 diff changeset	259 * the "nbytes bug" of the old sendfile() syscall:
5727 675bda8dcfdb FreeBSD has migrated to Bugzilla. Sergey Kandaurov <pluknet@nginx.com> parents: 5557 diff changeset	260 * http://bugs.freebsd.org/33771
153 c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import Igor Sysoev <igor@sysoev.ru> parents: 152 diff changeset	261 */
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import Igor Sysoev <igor@sysoev.ru> parents: 152 diff changeset	262
479 c52408583801 nginx-0.1.14-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	263 if (!ngx_freebsd_sendfile_nbytes_bug) {
473 8e8f3af115b5 nginx-0.1.11-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	264 header_size = 0;
63 36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	265 }
36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	266
203 c9da5900c79e nginx-0.0.1-2003-12-02-08:47:29 import Igor Sysoev <igor@sysoev.ru> parents: 201 diff changeset	267 sent = 0;
c9da5900c79e nginx-0.0.1-2003-12-02-08:47:29 import Igor Sysoev <igor@sysoev.ru> parents: 201 diff changeset	268
3065 113cd532b328 aio sendfile Igor Sysoev <igor@sysoev.ru> parents: 3063 diff changeset	269 #if (NGX_HAVE_AIO_SENDFILE)
113cd532b328 aio sendfile Igor Sysoev <igor@sysoev.ru> parents: 3063 diff changeset	270 flags = c->aio_sendfile ? SF_NODISKIO : 0;
113cd532b328 aio sendfile Igor Sysoev <igor@sysoev.ru> parents: 3063 diff changeset	271 #endif
113cd532b328 aio sendfile Igor Sysoev <igor@sysoev.ru> parents: 3063 diff changeset	272
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	273 rc = sendfile(file->file->fd, c->fd, file->file_pos,
3065 113cd532b328 aio sendfile Igor Sysoev <igor@sysoev.ru> parents: 3063 diff changeset	274 file_size + header_size, &hdtr, &sent, flags);
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	275
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	276 if (rc == -1) {
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	277 err = ngx_errno;
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	278
3063 6f6d7ea70805 refactor EAGAIN/EINTR processing Igor Sysoev <igor@sysoev.ru> parents: 1354 diff changeset	279 switch (err) {
6f6d7ea70805 refactor EAGAIN/EINTR processing Igor Sysoev <igor@sysoev.ru> parents: 1354 diff changeset	280 case NGX_EAGAIN:
6f6d7ea70805 refactor EAGAIN/EINTR processing Igor Sysoev <igor@sysoev.ru> parents: 1354 diff changeset	281 eagain = 1;
6f6d7ea70805 refactor EAGAIN/EINTR processing Igor Sysoev <igor@sysoev.ru> parents: 1354 diff changeset	282 break;
216 f1d0e5f09c1e nginx-0.0.1-2003-12-25-23:26:58 import Igor Sysoev <igor@sysoev.ru> parents: 214 diff changeset	283
3063 6f6d7ea70805 refactor EAGAIN/EINTR processing Igor Sysoev <igor@sysoev.ru> parents: 1354 diff changeset	284 case NGX_EINTR:
6f6d7ea70805 refactor EAGAIN/EINTR processing Igor Sysoev <igor@sysoev.ru> parents: 1354 diff changeset	285 eintr = 1;
6f6d7ea70805 refactor EAGAIN/EINTR processing Igor Sysoev <igor@sysoev.ru> parents: 1354 diff changeset	286 break;
152 fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import Igor Sysoev <igor@sysoev.ru> parents: 144 diff changeset	287
3065 113cd532b328 aio sendfile Igor Sysoev <igor@sysoev.ru> parents: 3063 diff changeset	288 #if (NGX_HAVE_AIO_SENDFILE)
113cd532b328 aio sendfile Igor Sysoev <igor@sysoev.ru> parents: 3063 diff changeset	289 case NGX_EBUSY:
113cd532b328 aio sendfile Igor Sysoev <igor@sysoev.ru> parents: 3063 diff changeset	290 c->busy_sendfile = file;
113cd532b328 aio sendfile Igor Sysoev <igor@sysoev.ru> parents: 3063 diff changeset	291 break;
113cd532b328 aio sendfile Igor Sysoev <igor@sysoev.ru> parents: 3063 diff changeset	292 #endif
113cd532b328 aio sendfile Igor Sysoev <igor@sysoev.ru> parents: 3063 diff changeset	293
3063 6f6d7ea70805 refactor EAGAIN/EINTR processing Igor Sysoev <igor@sysoev.ru> parents: 1354 diff changeset	294 default:
170 c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: 163 diff changeset	295 wev->error = 1;
537 c9ad0d9c7d59 nginx-0.1.43-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 501 diff changeset	296 (void) ngx_connection_error(c, err, "sendfile() failed");
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	297 return NGX_CHAIN_ERROR;
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	298 }
3063 6f6d7ea70805 refactor EAGAIN/EINTR processing Igor Sysoev <igor@sysoev.ru> parents: 1354 diff changeset	299
6f6d7ea70805 refactor EAGAIN/EINTR processing Igor Sysoev <igor@sysoev.ru> parents: 1354 diff changeset	300 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, err,
6f6d7ea70805 refactor EAGAIN/EINTR processing Igor Sysoev <igor@sysoev.ru> parents: 1354 diff changeset	301 "sendfile() sent only %O bytes", sent);
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	302
483 621229427cba nginx-0.1.16-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 479 diff changeset	303 /*
621229427cba nginx-0.1.16-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 479 diff changeset	304 * sendfile() in FreeBSD 3.x-4.x may return value >= 0
621229427cba nginx-0.1.16-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 479 diff changeset	305 * on success, although only 0 is documented
621229427cba nginx-0.1.16-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 479 diff changeset	306 */
621229427cba nginx-0.1.16-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 479 diff changeset	307
3080 af427e13cfd7 small optimization Igor Sysoev <igor@sysoev.ru> parents: 3065 diff changeset	308 } else if (rc >= 0 && sent == 0) {
455 295d97d70c69 nginx-0.1.2-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	309
295d97d70c69 nginx-0.1.2-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	310 /*
483 621229427cba nginx-0.1.16-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 479 diff changeset	311 * if rc is OK and sent equal to zero, then someone
621229427cba nginx-0.1.16-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 479 diff changeset	312 * has truncated the file, so the offset became beyond
621229427cba nginx-0.1.16-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 479 diff changeset	313 * the end of the file
455 295d97d70c69 nginx-0.1.2-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	314 */
295d97d70c69 nginx-0.1.2-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	315
295d97d70c69 nginx-0.1.2-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	316 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
3081 10bfdd8d5eb9 log offset passed to sendfile() Igor Sysoev <igor@sysoev.ru> parents: 3080 diff changeset	317 "sendfile() reported that \"%s\" was truncated at %O",
10bfdd8d5eb9 log offset passed to sendfile() Igor Sysoev <igor@sysoev.ru> parents: 3080 diff changeset	318 file->file->name.data, file->file_pos);
455 295d97d70c69 nginx-0.1.2-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	319
295d97d70c69 nginx-0.1.2-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	320 return NGX_CHAIN_ERROR;
295d97d70c69 nginx-0.1.2-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	321 }
295d97d70c69 nginx-0.1.2-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	322
214 e0c502f15852 nginx-0.0.1-2003-12-22-12:40:48 import Igor Sysoev <igor@sysoev.ru> parents: 203 diff changeset	323 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
461 a88a3e4e158f nginx-0.1.5-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 455 diff changeset	324 "sendfile: %d, @%O %O:%uz",
473 8e8f3af115b5 nginx-0.1.11-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	325 rc, file->file_pos, sent, file_size + header_size);
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	326
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	327 } else {
170 c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: 163 diff changeset	328 rc = writev(c->fd, header.elts, header.nelts);
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	329
297 ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 290 diff changeset	330 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
473 8e8f3af115b5 nginx-0.1.11-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 469 diff changeset	331 "writev: %d of %uz", rc, header_size);
297 ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 290 diff changeset	332
143 5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import Igor Sysoev <igor@sysoev.ru> parents: 142 diff changeset	333 if (rc == -1) {
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import Igor Sysoev <igor@sysoev.ru> parents: 142 diff changeset	334 err = ngx_errno;
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	335
3063 6f6d7ea70805 refactor EAGAIN/EINTR processing Igor Sysoev <igor@sysoev.ru> parents: 1354 diff changeset	336 switch (err) {
6f6d7ea70805 refactor EAGAIN/EINTR processing Igor Sysoev <igor@sysoev.ru> parents: 1354 diff changeset	337 case NGX_EAGAIN:
6f6d7ea70805 refactor EAGAIN/EINTR processing Igor Sysoev <igor@sysoev.ru> parents: 1354 diff changeset	338 break;
216 f1d0e5f09c1e nginx-0.0.1-2003-12-25-23:26:58 import Igor Sysoev <igor@sysoev.ru> parents: 214 diff changeset	339
3063 6f6d7ea70805 refactor EAGAIN/EINTR processing Igor Sysoev <igor@sysoev.ru> parents: 1354 diff changeset	340 case NGX_EINTR:
6f6d7ea70805 refactor EAGAIN/EINTR processing Igor Sysoev <igor@sysoev.ru> parents: 1354 diff changeset	341 eintr = 1;
6f6d7ea70805 refactor EAGAIN/EINTR processing Igor Sysoev <igor@sysoev.ru> parents: 1354 diff changeset	342 break;
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	343
3063 6f6d7ea70805 refactor EAGAIN/EINTR processing Igor Sysoev <igor@sysoev.ru> parents: 1354 diff changeset	344 default:
170 c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: 163 diff changeset	345 wev->error = 1;
253 b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import Igor Sysoev <igor@sysoev.ru> parents: 218 diff changeset	346 ngx_connection_error(c, err, "writev() failed");
143 5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import Igor Sysoev <igor@sysoev.ru> parents: 142 diff changeset	347 return NGX_CHAIN_ERROR;
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	348 }
3063 6f6d7ea70805 refactor EAGAIN/EINTR processing Igor Sysoev <igor@sysoev.ru> parents: 1354 diff changeset	349
6f6d7ea70805 refactor EAGAIN/EINTR processing Igor Sysoev <igor@sysoev.ru> parents: 1354 diff changeset	350 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err,
6f6d7ea70805 refactor EAGAIN/EINTR processing Igor Sysoev <igor@sysoev.ru> parents: 1354 diff changeset	351 "writev() not ready");
143 5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import Igor Sysoev <igor@sysoev.ru> parents: 142 diff changeset	352 }
89 29bf798b583f nginx-0.0.1-2003-05-15-19:42:53 import Igor Sysoev <igor@sysoev.ru> parents: 88 diff changeset	353
143 5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import Igor Sysoev <igor@sysoev.ru> parents: 142 diff changeset	354 sent = rc > 0 ? rc : 0;
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	355 }
63 36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	356
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	357 c->sent += sent;
63 36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	358
5850 f9c83484d9ce Moved the code for adjusting sent buffers in a separate function. Valentin Bartenev <vbart@nginx.com> parents: 5727 diff changeset	359 in = ngx_handle_sent_chain(in, sent);
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	360
3065 113cd532b328 aio sendfile Igor Sysoev <igor@sysoev.ru> parents: 3063 diff changeset	361 #if (NGX_HAVE_AIO_SENDFILE)
113cd532b328 aio sendfile Igor Sysoev <igor@sysoev.ru> parents: 3063 diff changeset	362 if (c->busy_sendfile) {
5320 ad137a80919f Don't lose pointer to first nonempty buf in ngx__sendfile_chain(). Gleb Smirnoff <glebius@nginx.com>* parents: 4596 diff changeset	363 return in;
3065 113cd532b328 aio sendfile Igor Sysoev <igor@sysoev.ru> parents: 3063 diff changeset	364 }
113cd532b328 aio sendfile Igor Sysoev <igor@sysoev.ru> parents: 3063 diff changeset	365 #endif
113cd532b328 aio sendfile Igor Sysoev <igor@sysoev.ru> parents: 3063 diff changeset	366
152 fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import Igor Sysoev <igor@sysoev.ru> parents: 144 diff changeset	367 if (eagain) {
155 46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import Igor Sysoev <igor@sysoev.ru> parents: 154 diff changeset	368
153 c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import Igor Sysoev <igor@sysoev.ru> parents: 152 diff changeset	369 /*
479 c52408583801 nginx-0.1.14-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	370 * sendfile() may return EAGAIN, even if it has sent a whole file
c52408583801 nginx-0.1.14-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 477 diff changeset	371 * part, it indicates that the successive sendfile() call would
253 b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import Igor Sysoev <igor@sysoev.ru> parents: 218 diff changeset	372 * return EAGAIN right away and would not send anything.
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import Igor Sysoev <igor@sysoev.ru> parents: 218 diff changeset	373 * We use it as a hint.
153 c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import Igor Sysoev <igor@sysoev.ru> parents: 152 diff changeset	374 */
155 46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import Igor Sysoev <igor@sysoev.ru> parents: 154 diff changeset	375
170 c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: 163 diff changeset	376 wev->ready = 0;
5320 ad137a80919f Don't lose pointer to first nonempty buf in ngx__sendfile_chain(). Gleb Smirnoff <glebius@nginx.com>* parents: 4596 diff changeset	377 return in;
362 7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import Igor Sysoev <igor@sysoev.ru> parents: 361 diff changeset	378 }
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import Igor Sysoev <igor@sysoev.ru> parents: 361 diff changeset	379
7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import Igor Sysoev <igor@sysoev.ru> parents: 361 diff changeset	380 if (eintr) {
5868 6bbad2e73245 Fixed counting of sent bytes in the send chain functions on EINTR. Valentin Bartenev <vbart@nginx.com> parents: 5854 diff changeset	381 send = prev_send + sent;
362 7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import Igor Sysoev <igor@sysoev.ru> parents: 361 diff changeset	382 continue;
152 fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import Igor Sysoev <igor@sysoev.ru> parents: 144 diff changeset	383 }
96 a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import Igor Sysoev <igor@sysoev.ru> parents: 94 diff changeset	384
5851 150df089fe47 Removed the "complete" variable from various send chain functions. Valentin Bartenev <vbart@nginx.com> parents: 5850 diff changeset	385 if (send - prev_send != sent) {
362 7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import Igor Sysoev <igor@sysoev.ru> parents: 361 diff changeset	386 wev->ready = 0;
5320 ad137a80919f Don't lose pointer to first nonempty buf in ngx__sendfile_chain(). Gleb Smirnoff <glebius@nginx.com>* parents: 4596 diff changeset	387 return in;
362 7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import Igor Sysoev <igor@sysoev.ru> parents: 361 diff changeset	388 }
152 fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import Igor Sysoev <igor@sysoev.ru> parents: 144 diff changeset	389
5320 ad137a80919f Don't lose pointer to first nonempty buf in ngx__sendfile_chain(). Gleb Smirnoff <glebius@nginx.com>* parents: 4596 diff changeset	390 if (send >= limit \|\| in == NULL) {
ad137a80919f Don't lose pointer to first nonempty buf in ngx__sendfile_chain(). Gleb Smirnoff <glebius@nginx.com>* parents: 4596 diff changeset	391 return in;
362 7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import Igor Sysoev <igor@sysoev.ru> parents: 361 diff changeset	392 }
142 cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import Igor Sysoev <igor@sysoev.ru> parents: 103 diff changeset	393 }
63 36d2c25cc9bb nginx-0.0.1-2003-02-26-23:21:43 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	394 }

Mercurial > hg > nginx-quic

annotate src/os/unix/ngx_freebsd_sendfile_chain.c @ 5905:2f7e557eab5b