Mercurial > hg > nginx

annotate src/core/ngx_output_chain.c @ 6819:4395758d08e6

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fixed spelling of logical AND operator, no functional changes. Found by PVS-Studio.
author Sergey Kandaurov <pluknet@nginx.com>
date Wed, 07 Dec 2016 13:54:30 +0300
parents 9fd738b85fad
children a7ff19afbb14
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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: 430
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: 430
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: 4114
diff changeset
4 * Copyright (C) Nginx, Inc.
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: 430
diff changeset
5 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 430
diff changeset
6
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
7
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
8 #include <ngx_config.h>
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
9 #include <ngx_core.h>
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
10 #include <ngx_event.h>
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
11
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
12
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
13 #if 0
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
14 #define NGX_SENDFILE_LIMIT 4096
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
15 #endif
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
16
2316
402797ed988a allow directio on XFS
Igor Sysoev <igor@sysoev.ru>
parents: 2248
diff changeset
17 /*
402797ed988a allow directio on XFS
Igor Sysoev <igor@sysoev.ru>
parents: 2248
diff changeset
18 * When DIRECTIO is enabled FreeBSD, Solaris, and MacOSX read directly
402797ed988a allow directio on XFS
Igor Sysoev <igor@sysoev.ru>
parents: 2248
diff changeset
19 * to an application memory from a device if parameters are aligned
3053
0d253659da12 directio_alignment
Igor Sysoev <igor@sysoev.ru>
parents: 3052
diff changeset
20 * to device sector boundary (512 bytes). They fallback to usual read
2316
402797ed988a allow directio on XFS
Igor Sysoev <igor@sysoev.ru>
parents: 2248
diff changeset
21 * operation if the parameters are not aligned.
402797ed988a allow directio on XFS
Igor Sysoev <igor@sysoev.ru>
parents: 2248
diff changeset
22 * Linux allows DIRECTIO only if the parameters are aligned to a filesystem
402797ed988a allow directio on XFS
Igor Sysoev <igor@sysoev.ru>
parents: 2248
diff changeset
23 * sector boundary, otherwise it returns EINVAL. The sector size is
402797ed988a allow directio on XFS
Igor Sysoev <igor@sysoev.ru>
parents: 2248
diff changeset
24 * usually 512 bytes, however, on XFS it may be 4096 bytes.
402797ed988a allow directio on XFS
Igor Sysoev <igor@sysoev.ru>
parents: 2248
diff changeset
25 */
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
26
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
27 #define NGX_NONE 1
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
28
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
29
467
bbd6b0b4a2b1 nginx-0.1.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
30 static ngx_inline ngx_int_t
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
31 ngx_output_chain_as_is(ngx_output_chain_ctx_t *ctx, ngx_buf_t *buf);
5980
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
32 #if (NGX_HAVE_AIO_SENDFILE)
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
33 static ngx_int_t ngx_output_chain_aio_setup(ngx_output_chain_ctx_t *ctx,
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
34 ngx_file_t *file);
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
35 #endif
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
36 static ngx_int_t ngx_output_chain_add_copy(ngx_pool_t *pool,
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
37 ngx_chain_t **chain, ngx_chain_t *in);
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
38 static ngx_int_t ngx_output_chain_align_file_buf(ngx_output_chain_ctx_t *ctx,
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
39 off_t bsize);
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
40 static ngx_int_t ngx_output_chain_get_buf(ngx_output_chain_ctx_t *ctx,
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
41 off_t bsize);
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
42 static ngx_int_t ngx_output_chain_copy_buf(ngx_output_chain_ctx_t *ctx);
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
43
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
44
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
45 ngx_int_t
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
46 ngx_output_chain(ngx_output_chain_ctx_t *ctx, ngx_chain_t *in)
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
47 {
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
48 off_t bsize;
597
9262f520ce21 nginx-0.3.20-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
49 ngx_int_t rc, last;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
50 ngx_chain_t *cl, *out, **last_out;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
51
5966
bcdfc39bf44d Fixed AIO handling in the output chain.
Valentin Bartenev <vbart@nginx.com>
parents: 4412
diff changeset
52 if (ctx->in == NULL && ctx->busy == NULL
6022
1fdba317ee6d Added support for offloading read() in thread pools.
Valentin Bartenev <vbart@nginx.com>
parents: 5980
diff changeset
53 #if (NGX_HAVE_FILE_AIO || NGX_THREADS)
5966
bcdfc39bf44d Fixed AIO handling in the output chain.
Valentin Bartenev <vbart@nginx.com>
parents: 4412
diff changeset
54 && !ctx->aio
bcdfc39bf44d Fixed AIO handling in the output chain.
Valentin Bartenev <vbart@nginx.com>
parents: 4412
diff changeset
55 #endif
bcdfc39bf44d Fixed AIO handling in the output chain.
Valentin Bartenev <vbart@nginx.com>
parents: 4412
diff changeset
56 )
bcdfc39bf44d Fixed AIO handling in the output chain.
Valentin Bartenev <vbart@nginx.com>
parents: 4412
diff changeset
57 {
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
58 /*
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
59 * the short path for the case when the ctx->in and ctx->busy chains
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
60 * are empty, the incoming chain is empty too or has the single buf
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
61 * that does not require the copy
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
62 */
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
63
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
64 if (in == NULL) {
294
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 291
diff changeset
65 return ctx->output_filter(ctx->filter_ctx, in);
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
66 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
67
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
68 if (in->next == NULL
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
69 #if (NGX_SENDFILE_LIMIT)
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
70 && !(in->buf->in_file && in->buf->file_last > NGX_SENDFILE_LIMIT)
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
71 #endif
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
72 && ngx_output_chain_as_is(ctx, in->buf))
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
73 {
294
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 291
diff changeset
74 return ctx->output_filter(ctx->filter_ctx, in);
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
75 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
76 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
77
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 343
diff changeset
78 /* add the incoming buf to the chain ctx->in */
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
79
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
80 if (in) {
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
81 if (ngx_output_chain_add_copy(ctx->pool, &ctx->in, in) == NGX_ERROR) {
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
82 return NGX_ERROR;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
83 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
84 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
85
164
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 162
diff changeset
86 out = NULL;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
87 last_out = &out;
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
88 last = NGX_NONE;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
89
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
90 for ( ;; ) {
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
91
6022
1fdba317ee6d Added support for offloading read() in thread pools.
Valentin Bartenev <vbart@nginx.com>
parents: 5980
diff changeset
92 #if (NGX_HAVE_FILE_AIO || NGX_THREADS)
3776
7450029ff51e file AIO read may be posted inside loop
Igor Sysoev <igor@sysoev.ru>
parents: 3515
diff changeset
93 if (ctx->aio) {
7450029ff51e file AIO read may be posted inside loop
Igor Sysoev <igor@sysoev.ru>
parents: 3515
diff changeset
94 return NGX_AGAIN;
7450029ff51e file AIO read may be posted inside loop
Igor Sysoev <igor@sysoev.ru>
parents: 3515
diff changeset
95 }
7450029ff51e file AIO read may be posted inside loop
Igor Sysoev <igor@sysoev.ru>
parents: 3515
diff changeset
96 #endif
7450029ff51e file AIO read may be posted inside loop
Igor Sysoev <igor@sysoev.ru>
parents: 3515
diff changeset
97
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
98 while (ctx->in) {
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
99
320
d621239c30f7 nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 294
diff changeset
100 /*
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: 334
diff changeset
101 * cycle while there are the ctx->in bufs
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
102 * and there are the free output bufs to copy in
320
d621239c30f7 nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 294
diff changeset
103 */
d621239c30f7 nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 294
diff changeset
104
403
ea3113b181d1 nginx-0.0.9-2004-07-28-23:21:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
105 bsize = ngx_buf_size(ctx->in->buf);
ea3113b181d1 nginx-0.0.9-2004-07-28-23:21:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
106
ea3113b181d1 nginx-0.0.9-2004-07-28-23:21:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
107 if (bsize == 0 && !ngx_buf_special(ctx->in->buf)) {
ea3113b181d1 nginx-0.0.9-2004-07-28-23:21:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
108
ea3113b181d1 nginx-0.0.9-2004-07-28-23:21:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
109 ngx_log_error(NGX_LOG_ALERT, ctx->pool->log, 0,
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
110 "zero size buf in output "
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
111 "t:%d r:%d f:%d %p %p-%p %p %O-%O",
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
112 ctx->in->buf->temporary,
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
113 ctx->in->buf->recycled,
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
114 ctx->in->buf->in_file,
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
115 ctx->in->buf->start,
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
116 ctx->in->buf->pos,
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
117 ctx->in->buf->last,
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
118 ctx->in->buf->file,
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
119 ctx->in->buf->file_pos,
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 479
diff changeset
120 ctx->in->buf->file_last);
403
ea3113b181d1 nginx-0.0.9-2004-07-28-23:21:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
121
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
122 ngx_debug_point();
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
123
403
ea3113b181d1 nginx-0.0.9-2004-07-28-23:21:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
124 ctx->in = ctx->in->next;
430
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 408
diff changeset
125
403
ea3113b181d1 nginx-0.0.9-2004-07-28-23:21:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
126 continue;
ea3113b181d1 nginx-0.0.9-2004-07-28-23:21:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
127 }
ea3113b181d1 nginx-0.0.9-2004-07-28-23:21:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 402
diff changeset
128
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
129 if (ngx_output_chain_as_is(ctx, ctx->in->buf)) {
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
130
320
d621239c30f7 nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 294
diff changeset
131 /* move the chain link to the output chain */
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
132
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
133 cl = ctx->in;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
134 ctx->in = cl->next;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
135
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
136 *last_out = cl;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
137 last_out = &cl->next;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
138 cl->next = NULL;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
139
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
140 continue;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
141 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
142
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: 334
diff changeset
143 if (ctx->buf == NULL) {
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
144
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
145 rc = ngx_output_chain_align_file_buf(ctx, bsize);
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
146
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
147 if (rc == NGX_ERROR) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
148 return NGX_ERROR;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
149 }
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
150
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
151 if (rc != NGX_OK) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
152
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
153 if (ctx->free) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
154
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
155 /* get the free buf */
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
157 cl = ctx->free;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
158 ctx->buf = cl->buf;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
159 ctx->free = cl->next;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
160
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
161 ngx_free_chain(ctx->pool, cl);
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
162
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
163 } else if (out || ctx->allocated == ctx->bufs.num) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
164
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
165 break;
334
af451db3fe99 nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 320
diff changeset
166
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
167 } else if (ngx_output_chain_get_buf(ctx, bsize) != NGX_OK) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
168 return NGX_ERROR;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
169 }
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
170 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
171 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
172
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
173 rc = ngx_output_chain_copy_buf(ctx);
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
174
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
175 if (rc == NGX_ERROR) {
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
176 return rc;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
177 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
178
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
179 if (rc == NGX_AGAIN) {
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
180 if (out) {
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
181 break;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
182 }
430
1fa5daf7558e nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 408
diff changeset
183
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
184 return rc;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
185 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
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: 334
diff changeset
187 /* delete the completed buf from the ctx->in chain */
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
188
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: 334
diff changeset
189 if (ngx_buf_size(ctx->in->buf) == 0) {
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
190 ctx->in = ctx->in->next;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
191 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
192
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
193 cl = ngx_alloc_chain_link(ctx->pool);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
194 if (cl == NULL) {
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
195 return NGX_ERROR;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
196 }
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
197
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
198 cl->buf = ctx->buf;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
199 cl->next = NULL;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
200 *last_out = cl;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
201 last_out = &cl->next;
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: 334
diff changeset
202 ctx->buf = NULL;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
203 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
204
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
205 if (out == NULL && last != NGX_NONE) {
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
206
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
207 if (ctx->in) {
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
208 return NGX_AGAIN;
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
209 }
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 507
diff changeset
210
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
211 return last;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
212 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
213
294
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 291
diff changeset
214 last = ctx->output_filter(ctx->filter_ctx, out);
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
215
569
174f1e853e1e nginx-0.3.6-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 517
diff changeset
216 if (last == NGX_ERROR || last == NGX_DONE) {
174f1e853e1e nginx-0.3.6-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 517
diff changeset
217 return last;
174f1e853e1e nginx-0.3.6-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 517
diff changeset
218 }
174f1e853e1e nginx-0.3.6-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 517
diff changeset
219
4114
5db098f97e0e API change: ngx_chain_update_chains() now requires pool.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3776
diff changeset
220 ngx_chain_update_chains(ctx->pool, &ctx->free, &ctx->busy, &out,
5db098f97e0e API change: ngx_chain_update_chains() now requires pool.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3776
diff changeset
221 ctx->tag);
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
222 last_out = &out;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
223 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
224 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
225
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
226
467
bbd6b0b4a2b1 nginx-0.1.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
227 static ngx_inline ngx_int_t
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
228 ngx_output_chain_as_is(ngx_output_chain_ctx_t *ctx, ngx_buf_t *buf)
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
229 {
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
230 ngx_uint_t sendfile;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
231
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: 334
diff changeset
232 if (ngx_buf_special(buf)) {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
233 return 1;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
234 }
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
235
6022
1fdba317ee6d Added support for offloading read() in thread pools.
Valentin Bartenev <vbart@nginx.com>
parents: 5980
diff changeset
236 #if (NGX_THREADS)
1fdba317ee6d Added support for offloading read() in thread pools.
Valentin Bartenev <vbart@nginx.com>
parents: 5980
diff changeset
237 if (buf->in_file) {
1fdba317ee6d Added support for offloading read() in thread pools.
Valentin Bartenev <vbart@nginx.com>
parents: 5980
diff changeset
238 buf->file->thread_handler = ctx->thread_handler;
1fdba317ee6d Added support for offloading read() in thread pools.
Valentin Bartenev <vbart@nginx.com>
parents: 5980
diff changeset
239 buf->file->thread_ctx = ctx->filter_ctx;
1fdba317ee6d Added support for offloading read() in thread pools.
Valentin Bartenev <vbart@nginx.com>
parents: 5980
diff changeset
240 }
1fdba317ee6d Added support for offloading read() in thread pools.
Valentin Bartenev <vbart@nginx.com>
parents: 5980
diff changeset
241 #endif
1fdba317ee6d Added support for offloading read() in thread pools.
Valentin Bartenev <vbart@nginx.com>
parents: 5980
diff changeset
242
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
243 if (buf->in_file && buf->file->directio) {
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
244 return 0;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
245 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
246
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
247 sendfile = ctx->sendfile;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
248
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
249 #if (NGX_SENDFILE_LIMIT)
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
250
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
251 if (buf->in_file && buf->file_pos >= NGX_SENDFILE_LIMIT) {
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
252 sendfile = 0;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
253 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
254
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
255 #endif
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
256
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
257 if (!sendfile) {
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
258
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: 334
diff changeset
259 if (!ngx_buf_in_memory(buf)) {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
260 return 0;
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 167
diff changeset
261 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 167
diff changeset
262
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: 334
diff changeset
263 buf->in_file = 0;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
264 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
265
5980
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
266 #if (NGX_HAVE_AIO_SENDFILE)
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
267 if (ctx->aio_preload && buf->in_file) {
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
268 (void) ngx_output_chain_aio_setup(ctx, buf->file);
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
269 }
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
270 #endif
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
271
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: 334
diff changeset
272 if (ctx->need_in_memory && !ngx_buf_in_memory(buf)) {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
273 return 0;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
274 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
275
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: 334
diff changeset
276 if (ctx->need_in_temp && (buf->memory || buf->mmap)) {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
277 return 0;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
278 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
279
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
280 return 1;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
281 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
282
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
283
5980
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
284 #if (NGX_HAVE_AIO_SENDFILE)
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
285
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
286 static ngx_int_t
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
287 ngx_output_chain_aio_setup(ngx_output_chain_ctx_t *ctx, ngx_file_t *file)
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
288 {
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
289 ngx_event_aio_t *aio;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
290
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
291 if (file->aio == NULL && ngx_file_aio_init(file, ctx->pool) != NGX_OK) {
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
292 return NGX_ERROR;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
293 }
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
294
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
295 aio = file->aio;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
296
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
297 aio->data = ctx->filter_ctx;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
298 aio->preload_handler = ctx->aio_preload;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
299
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
300 return NGX_OK;
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
301 }
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
302
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
303 #endif
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
304
ccad84a174e0 Refactored sendfile() AIO preload.
Valentin Bartenev <vbart@nginx.com>
parents: 5966
diff changeset
305
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
306 static ngx_int_t
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
307 ngx_output_chain_add_copy(ngx_pool_t *pool, ngx_chain_t **chain,
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
308 ngx_chain_t *in)
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
309 {
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
310 ngx_chain_t *cl, **ll;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
311 #if (NGX_SENDFILE_LIMIT)
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
312 ngx_buf_t *b, *buf;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
313 #endif
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
314
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
315 ll = chain;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
316
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
317 for (cl = *chain; cl; cl = cl->next) {
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
318 ll = &cl->next;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
319 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
320
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
321 while (in) {
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
322
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
323 cl = ngx_alloc_chain_link(pool);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
324 if (cl == NULL) {
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
325 return NGX_ERROR;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
326 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
327
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
328 #if (NGX_SENDFILE_LIMIT)
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
329
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
330 buf = in->buf;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
331
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
332 if (buf->in_file
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
333 && buf->file_pos < NGX_SENDFILE_LIMIT
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
334 && buf->file_last > NGX_SENDFILE_LIMIT)
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
335 {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
336 /* split a file buf on two bufs by the sendfile limit */
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
337
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
338 b = ngx_calloc_buf(pool);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
339 if (b == NULL) {
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
340 return NGX_ERROR;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
341 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
342
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
343 ngx_memcpy(b, buf, sizeof(ngx_buf_t));
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
344
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
345 if (ngx_buf_in_memory(buf)) {
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
346 buf->pos += (ssize_t) (NGX_SENDFILE_LIMIT - buf->file_pos);
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
347 b->last = buf->pos;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
348 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
349
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
350 buf->file_pos = NGX_SENDFILE_LIMIT;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
351 b->file_last = NGX_SENDFILE_LIMIT;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
352
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
353 cl->buf = b;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
354
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
355 } else {
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
356 cl->buf = buf;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
357 in = in->next;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
358 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
359
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
360 #else
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
361 cl->buf = in->buf;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
362 in = in->next;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
363
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
364 #endif
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
365
2910
dc01b26f8de8 leave chain in consistent state on errors
Igor Sysoev <igor@sysoev.ru>
parents: 2899
diff changeset
366 cl->next = NULL;
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
367 *ll = cl;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
368 ll = &cl->next;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
369 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
370
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
371 return NGX_OK;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
372 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
373
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
374
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
375 static ngx_int_t
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
376 ngx_output_chain_align_file_buf(ngx_output_chain_ctx_t *ctx, off_t bsize)
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
377 {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
378 size_t size;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
379 ngx_buf_t *in;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
380
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
381 in = ctx->in->buf;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
382
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
383 if (in->file == NULL || !in->file->directio) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
384 return NGX_DECLINED;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
385 }
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
386
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
387 ctx->directio = 1;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
388
3053
0d253659da12 directio_alignment
Igor Sysoev <igor@sysoev.ru>
parents: 3052
diff changeset
389 size = (size_t) (in->file_pos - (in->file_pos & ~(ctx->alignment - 1)));
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
390
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
391 if (size == 0) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
392
2240
a83218b65245 fix building on 64-bit platforms, introduced in r2232
Igor Sysoev <igor@sysoev.ru>
parents: 2231
diff changeset
393 if (bsize >= (off_t) ctx->bufs.size) {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
394 return NGX_DECLINED;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
395 }
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
396
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
397 size = (size_t) bsize;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
398
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
399 } else {
3057
5ea5a90000d5 fix build by msvc, introduced in r3054
Igor Sysoev <igor@sysoev.ru>
parents: 3053
diff changeset
400 size = (size_t) ctx->alignment - size;
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
401
2240
a83218b65245 fix building on 64-bit platforms, introduced in r2232
Igor Sysoev <igor@sysoev.ru>
parents: 2231
diff changeset
402 if ((off_t) size > bsize) {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
403 size = (size_t) bsize;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
404 }
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
405 }
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
406
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
407 ctx->buf = ngx_create_temp_buf(ctx->pool, size);
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
408 if (ctx->buf == NULL) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
409 return NGX_ERROR;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
410 }
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
411
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
412 /*
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
413 * we do not set ctx->buf->tag, because we do not want
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
414 * to reuse the buf via ctx->free list
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
415 */
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
416
2248
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
417 #if (NGX_HAVE_ALIGNED_DIRECTIO)
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
418 ctx->unaligned = 1;
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
419 #endif
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
420
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
421 return NGX_OK;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
422 }
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
423
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
424
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
425 static ngx_int_t
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
426 ngx_output_chain_get_buf(ngx_output_chain_ctx_t *ctx, off_t bsize)
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
427 {
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
428 size_t size;
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
429 ngx_buf_t *b, *in;
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
430 ngx_uint_t recycled;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
431
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
432 in = ctx->in->buf;
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
433 size = ctx->bufs.size;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
434 recycled = 1;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
435
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
436 if (in->last_in_chain) {
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
437
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
438 if (bsize < (off_t) size) {
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
439
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
440 /*
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
441 * allocate a small temp buf for a small last buf
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
442 * or its small last part
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
443 */
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
444
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
445 size = (size_t) bsize;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
446 recycled = 0;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
447
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
448 } else if (!ctx->directio
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
449 && ctx->bufs.num == 1
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
450 && (bsize < (off_t) (size + size / 4)))
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
451 {
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
452 /*
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
453 * allocate a temp buf that equals to a last buf,
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
454 * if there is no directio, the last buf size is lesser
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
455 * than 1.25 of bufs.size and the temp buf is single
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
456 */
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
457
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
458 size = (size_t) bsize;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
459 recycled = 0;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
460 }
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
461 }
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
462
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
463 b = ngx_calloc_buf(ctx->pool);
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
464 if (b == NULL) {
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
465 return NGX_ERROR;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
466 }
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
467
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
468 if (ctx->directio) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
469
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
470 /*
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
471 * allocate block aligned to a disk sector size to enable
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
472 * userland buffer direct usage conjunctly with directio
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
473 */
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
474
3057
5ea5a90000d5 fix build by msvc, introduced in r3054
Igor Sysoev <igor@sysoev.ru>
parents: 3053
diff changeset
475 b->start = ngx_pmemalign(ctx->pool, size, (size_t) ctx->alignment);
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
476 if (b->start == NULL) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
477 return NGX_ERROR;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
478 }
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
479
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
480 } else {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
481 b->start = ngx_palloc(ctx->pool, size);
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
482 if (b->start == NULL) {
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
483 return NGX_ERROR;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
484 }
2230
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
485 }
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
486
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
487 b->pos = b->start;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
488 b->last = b->start;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
489 b->end = b->last + size;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
490 b->temporary = 1;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
491 b->tag = ctx->tag;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
492 b->recycled = recycled;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
493
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
494 ctx->buf = b;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
495 ctx->allocated++;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
496
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
497 return NGX_OK;
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
498 }
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
499
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
500
25cf039c40bd split ngx_output_chain()
Igor Sysoev <igor@sysoev.ru>
parents: 2180
diff changeset
501 static ngx_int_t
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
502 ngx_output_chain_copy_buf(ngx_output_chain_ctx_t *ctx)
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
503 {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
504 off_t size;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
505 ssize_t n;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
506 ngx_buf_t *src, *dst;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
507 ngx_uint_t sendfile;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
508
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
509 src = ctx->in->buf;
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
510 dst = ctx->buf;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
511
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: 334
diff changeset
512 size = ngx_buf_size(src);
3515
76d252724db5 use ngx_min() and ngx_max()
Igor Sysoev <igor@sysoev.ru>
parents: 3164
diff changeset
513 size = ngx_min(size, dst->end - dst->pos);
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
514
6819
4395758d08e6 Fixed spelling of logical AND operator, no functional changes.
Sergey Kandaurov <pluknet@nginx.com>
parents: 6441
diff changeset
515 sendfile = ctx->sendfile && !ctx->directio;
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
516
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
517 #if (NGX_SENDFILE_LIMIT)
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
518
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
519 if (src->in_file && src->file_pos >= NGX_SENDFILE_LIMIT) {
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
520 sendfile = 0;
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
521 }
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
522
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
523 #endif
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 467
diff changeset
524
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: 334
diff changeset
525 if (ngx_buf_in_memory(src)) {
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
526 ngx_memcpy(dst->pos, src->pos, (size_t) size);
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
527 src->pos += (size_t) size;
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
528 dst->last += (size_t) size;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
529
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
530 if (src->in_file) {
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
531
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
532 if (sendfile) {
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
533 dst->in_file = 1;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
534 dst->file = src->file;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
535 dst->file_pos = src->file_pos;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
536 dst->file_last = src->file_pos + size;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
537
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
538 } else {
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
539 dst->in_file = 0;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
540 }
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
541
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
542 src->file_pos += size;
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
543
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
544 } else {
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
545 dst->in_file = 0;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
546 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
547
1227
3e40f3e4376c inherit flush flag, this fixes https proxying
Igor Sysoev <igor@sysoev.ru>
parents: 1226
diff changeset
548 if (src->pos == src->last) {
3e40f3e4376c inherit flush flag, this fixes https proxying
Igor Sysoev <igor@sysoev.ru>
parents: 1226
diff changeset
549 dst->flush = src->flush;
3e40f3e4376c inherit flush flag, this fixes https proxying
Igor Sysoev <igor@sysoev.ru>
parents: 1226
diff changeset
550 dst->last_buf = src->last_buf;
2899
61d5b945730a fix XSLT filter in SSI subrequests
Igor Sysoev <igor@sysoev.ru>
parents: 2316
diff changeset
551 dst->last_in_chain = src->last_in_chain;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
552 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
553
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
554 } else {
2248
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
555
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
556 #if (NGX_HAVE_ALIGNED_DIRECTIO)
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
557
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
558 if (ctx->unaligned) {
3164
b1b1775698d5 uniform ngx_directio_on/off() interface with other file functions
Igor Sysoev <igor@sysoev.ru>
parents: 3147
diff changeset
559 if (ngx_directio_off(src->file->fd) == NGX_FILE_ERROR) {
2248
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
560 ngx_log_error(NGX_LOG_ALERT, ctx->pool->log, ngx_errno,
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
561 ngx_directio_off_n " \"%s\" failed",
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
562 src->file->name.data);
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
563 }
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
564 }
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
565
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
566 #endif
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
567
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
568 #if (NGX_HAVE_FILE_AIO)
3119
4c90c9129a82 fix case when the output filter should add incoming buffers
Igor Sysoev <igor@sysoev.ru>
parents: 3057
diff changeset
569 if (ctx->aio_handler) {
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
570 n = ngx_file_aio_read(src->file, dst->pos, (size_t) size,
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
571 src->file_pos, ctx->pool);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
572 if (n == NGX_AGAIN) {
3119
4c90c9129a82 fix case when the output filter should add incoming buffers
Igor Sysoev <igor@sysoev.ru>
parents: 3057
diff changeset
573 ctx->aio_handler(ctx, src->file);
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
574 return NGX_AGAIN;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
575 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
576
6022
1fdba317ee6d Added support for offloading read() in thread pools.
Valentin Bartenev <vbart@nginx.com>
parents: 5980
diff changeset
577 } else
1fdba317ee6d Added support for offloading read() in thread pools.
Valentin Bartenev <vbart@nginx.com>
parents: 5980
diff changeset
578 #endif
1fdba317ee6d Added support for offloading read() in thread pools.
Valentin Bartenev <vbart@nginx.com>
parents: 5980
diff changeset
579 #if (NGX_THREADS)
6441
9fd738b85fad Threads: task pointer stored in ngx_file_t.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6423
diff changeset
580 if (ctx->thread_handler) {
9fd738b85fad Threads: task pointer stored in ngx_file_t.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6423
diff changeset
581 src->file->thread_task = ctx->thread_task;
9fd738b85fad Threads: task pointer stored in ngx_file_t.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6423
diff changeset
582 src->file->thread_handler = ctx->thread_handler;
9fd738b85fad Threads: task pointer stored in ngx_file_t.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6423
diff changeset
583 src->file->thread_ctx = ctx->filter_ctx;
9fd738b85fad Threads: task pointer stored in ngx_file_t.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6423
diff changeset
584
9fd738b85fad Threads: task pointer stored in ngx_file_t.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6423
diff changeset
585 n = ngx_thread_read(src->file, dst->pos, (size_t) size,
9fd738b85fad Threads: task pointer stored in ngx_file_t.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6423
diff changeset
586 src->file_pos, ctx->pool);
6022
1fdba317ee6d Added support for offloading read() in thread pools.
Valentin Bartenev <vbart@nginx.com>
parents: 5980
diff changeset
587 if (n == NGX_AGAIN) {
6441
9fd738b85fad Threads: task pointer stored in ngx_file_t.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6423
diff changeset
588 ctx->thread_task = src->file->thread_task;
6022
1fdba317ee6d Added support for offloading read() in thread pools.
Valentin Bartenev <vbart@nginx.com>
parents: 5980
diff changeset
589 return NGX_AGAIN;
1fdba317ee6d Added support for offloading read() in thread pools.
Valentin Bartenev <vbart@nginx.com>
parents: 5980
diff changeset
590 }
1fdba317ee6d Added support for offloading read() in thread pools.
Valentin Bartenev <vbart@nginx.com>
parents: 5980
diff changeset
591
1fdba317ee6d Added support for offloading read() in thread pools.
Valentin Bartenev <vbart@nginx.com>
parents: 5980
diff changeset
592 } else
1fdba317ee6d Added support for offloading read() in thread pools.
Valentin Bartenev <vbart@nginx.com>
parents: 5980
diff changeset
593 #endif
1fdba317ee6d Added support for offloading read() in thread pools.
Valentin Bartenev <vbart@nginx.com>
parents: 5980
diff changeset
594 {
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
595 n = ngx_read_file(src->file, dst->pos, (size_t) size,
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
596 src->file_pos);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
597 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2910
diff changeset
598
2248
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
599 #if (NGX_HAVE_ALIGNED_DIRECTIO)
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
600
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
601 if (ctx->unaligned) {
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
602 ngx_err_t err;
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
603
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
604 err = ngx_errno;
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
605
3164
b1b1775698d5 uniform ngx_directio_on/off() interface with other file functions
Igor Sysoev <igor@sysoev.ru>
parents: 3147
diff changeset
606 if (ngx_directio_on(src->file->fd) == NGX_FILE_ERROR) {
2248
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
607 ngx_log_error(NGX_LOG_ALERT, ctx->pool->log, ngx_errno,
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
608 ngx_directio_on_n " \"%s\" failed",
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
609 src->file->name.data);
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
610 }
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
611
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
612 ngx_set_errno(err);
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
613
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
614 ctx->unaligned = 0;
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
615 }
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
616
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
617 #endif
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2245
diff changeset
618
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
619 if (n == NGX_ERROR) {
517
dadfa78d2270 nginx-0.1.33-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
620 return (ngx_int_t) n;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
621 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
622
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
623 if (n != size) {
2231
8564129d49b6 *) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents: 2230
diff changeset
624 ngx_log_error(NGX_LOG_ALERT, ctx->pool->log, 0,
2245
8a98616abb73 add filename to the log message
Igor Sysoev <igor@sysoev.ru>
parents: 2240
diff changeset
625 ngx_read_file_n " read only %z of %O from \"%s\"",
8a98616abb73 add filename to the log message
Igor Sysoev <igor@sysoev.ru>
parents: 2240
diff changeset
626 n, size, src->file->name.data);
3147
cbb1add4a6fe fail if file size was changed
Igor Sysoev <igor@sysoev.ru>
parents: 3119
diff changeset
627 return NGX_ERROR;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
628 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
629
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
630 dst->last += n;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
631
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
632 if (sendfile) {
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
633 dst->in_file = 1;
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
634 dst->file = src->file;
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
635 dst->file_pos = src->file_pos;
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
636 dst->file_last = src->file_pos + n;
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
637
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
638 } else {
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: 334
diff changeset
639 dst->in_file = 0;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
640 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
641
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
642 src->file_pos += n;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
643
1238
bb03410441d9 fix bug introduced in r1228
Igor Sysoev <igor@sysoev.ru>
parents: 1227
diff changeset
644 if (src->file_pos == src->file_last) {
1227
3e40f3e4376c inherit flush flag, this fixes https proxying
Igor Sysoev <igor@sysoev.ru>
parents: 1226
diff changeset
645 dst->flush = src->flush;
3e40f3e4376c inherit flush flag, this fixes https proxying
Igor Sysoev <igor@sysoev.ru>
parents: 1226
diff changeset
646 dst->last_buf = src->last_buf;
2899
61d5b945730a fix XSLT filter in SSI subrequests
Igor Sysoev <igor@sysoev.ru>
parents: 2316
diff changeset
647 dst->last_in_chain = src->last_in_chain;
160
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
648 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
649 }
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
650
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
651 return NGX_OK;
e7e094d34162 nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
652 }
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
653
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
654
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
655 ngx_int_t
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
656 ngx_chain_writer(void *data, ngx_chain_t *in)
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
657 {
166
389d7ee9fa60 nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 164
diff changeset
658 ngx_chain_writer_ctx_t *ctx = data;
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
659
1962
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
660 off_t size;
6046
66176dfea01e Output chain: free chain links in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6045
diff changeset
661 ngx_chain_t *cl, *ln, *chain;
1962
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
662 ngx_connection_t *c;
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
663
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
664 c = ctx->connection;
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
665
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
666 for (size = 0; in; in = in->next) {
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
667
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
668 #if 1
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
669 if (ngx_buf_size(in->buf) == 0 && !ngx_buf_special(in->buf)) {
6045
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
670
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
671 ngx_log_error(NGX_LOG_ALERT, ctx->pool->log, 0,
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
672 "zero size buf in chain writer "
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
673 "t:%d r:%d f:%d %p %p-%p %p %O-%O",
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
674 in->buf->temporary,
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
675 in->buf->recycled,
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
676 in->buf->in_file,
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
677 in->buf->start,
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
678 in->buf->pos,
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
679 in->buf->last,
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
680 in->buf->file,
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
681 in->buf->file_pos,
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
682 in->buf->file_last);
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
683
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
684 ngx_debug_point();
6045
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
685
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
686 continue;
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
687 }
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
688 #endif
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
689
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
690 size += ngx_buf_size(in->buf);
408
d6e2b445c1b8 nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 403
diff changeset
691
1962
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
692 ngx_log_debug2(NGX_LOG_DEBUG_CORE, c->log, 0,
1226
2b4fdc9640b7 add debug logging
Igor Sysoev <igor@sysoev.ru>
parents: 1215
diff changeset
693 "chain writer buf fl:%d s:%uO",
2b4fdc9640b7 add debug logging
Igor Sysoev <igor@sysoev.ru>
parents: 1215
diff changeset
694 in->buf->flush, ngx_buf_size(in->buf));
408
d6e2b445c1b8 nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 403
diff changeset
695
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
696 cl = ngx_alloc_chain_link(ctx->pool);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
697 if (cl == NULL) {
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
698 return NGX_ERROR;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
699 }
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
700
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
701 cl->buf = in->buf;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
702 cl->next = NULL;
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
703 *ctx->last = cl;
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
704 ctx->last = &cl->next;
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
705 }
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
706
1962
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
707 ngx_log_debug1(NGX_LOG_DEBUG_CORE, c->log, 0,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
708 "chain writer in: %p", ctx->out);
291
117ccc7c4055 nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 257
diff changeset
709
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
710 for (cl = ctx->out; cl; cl = cl->next) {
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
711
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
712 #if 1
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
713 if (ngx_buf_size(cl->buf) == 0 && !ngx_buf_special(cl->buf)) {
6045
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
714
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
715 ngx_log_error(NGX_LOG_ALERT, ctx->pool->log, 0,
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
716 "zero size buf in chain writer "
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
717 "t:%d r:%d f:%d %p %p-%p %p %O-%O",
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
718 cl->buf->temporary,
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
719 cl->buf->recycled,
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
720 cl->buf->in_file,
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
721 cl->buf->start,
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
722 cl->buf->pos,
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
723 cl->buf->last,
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
724 cl->buf->file,
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
725 cl->buf->file_pos,
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
726 cl->buf->file_last);
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
727
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
728 ngx_debug_point();
6045
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
729
6ab301ddf469 Output chain: zero size buf alerts in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6022
diff changeset
730 continue;
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
731 }
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
732 #endif
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
733
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
734 size += ngx_buf_size(cl->buf);
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
735 }
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
736
1962
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
737 if (size == 0 && !c->buffered) {
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
738 return NGX_OK;
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
739 }
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
740
6046
66176dfea01e Output chain: free chain links in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6045
diff changeset
741 chain = c->send_chain(c, ctx->out, ctx->limit);
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
742
1962
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
743 ngx_log_debug1(NGX_LOG_DEBUG_CORE, c->log, 0,
6046
66176dfea01e Output chain: free chain links in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6045
diff changeset
744 "chain writer out: %p", chain);
291
117ccc7c4055 nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 257
diff changeset
745
6046
66176dfea01e Output chain: free chain links in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6045
diff changeset
746 if (chain == NGX_CHAIN_ERROR) {
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
747 return NGX_ERROR;
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
748 }
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
749
6046
66176dfea01e Output chain: free chain links in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6045
diff changeset
750 for (cl = ctx->out; cl && cl != chain; /* void */) {
66176dfea01e Output chain: free chain links in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6045
diff changeset
751 ln = cl;
66176dfea01e Output chain: free chain links in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6045
diff changeset
752 cl = cl->next;
66176dfea01e Output chain: free chain links in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6045
diff changeset
753 ngx_free_chain(ctx->pool, ln);
66176dfea01e Output chain: free chain links in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6045
diff changeset
754 }
66176dfea01e Output chain: free chain links in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6045
diff changeset
755
66176dfea01e Output chain: free chain links in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6045
diff changeset
756 ctx->out = chain;
66176dfea01e Output chain: free chain links in ngx_chain_writer().
Maxim Dounin <mdounin@mdounin.ru>
parents: 6045
diff changeset
757
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
758 if (ctx->out == NULL) {
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
759 ctx->last = &ctx->out;
1211
9177da9e4add fix "proxy_pass https://"
Igor Sysoev <igor@sysoev.ru>
parents: 828
diff changeset
760
1962
3091e5d770a6 small optimization
Igor Sysoev <igor@sysoev.ru>
parents: 1238
diff changeset
761 if (!c->buffered) {
1215
fb3ff245c96b an request body might not be passed to backend,
Igor Sysoev <igor@sysoev.ru>
parents: 1211
diff changeset
762 return NGX_OK;
fb3ff245c96b an request body might not be passed to backend,
Igor Sysoev <igor@sysoev.ru>
parents: 1211
diff changeset
763 }
162
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
764 }
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
765
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
766 return NGX_AGAIN;
96993d4d5067 nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 160
diff changeset
767 }