Mercurial > hg > nginx
annotate src/os/unix/ngx_linux_sendfile_chain.c @ 5916:e044893b4587
Merged conditions in the ngx_*_sendfile_chain() functions.
No functional changes.
author | Valentin Bartenev <vbart@nginx.com> |
---|---|
date | Wed, 13 Aug 2014 15:11:45 +0400 |
parents | ac3f78219f85 |
children | 2c64b69daec5 |
rev | line source |
---|---|
272
d4e65d74db9f
nginx-0.0.2-2004-03-01-00:03:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
1 |
d4e65d74db9f
nginx-0.0.2-2004-03-01-00:03:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
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 | 4 * Copyright (C) Nginx, Inc. |
272
d4e65d74db9f
nginx-0.0.2-2004-03-01-00:03:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
5 */ |
d4e65d74db9f
nginx-0.0.2-2004-03-01-00:03:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
6 |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
7 |
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
8 #include <ngx_config.h> |
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
9 #include <ngx_core.h> |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
10 #include <ngx_event.h> |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
11 |
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
12 |
199
a65b630b3a66
nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
198
diff
changeset
|
13 /* |
a65b630b3a66
nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
198
diff
changeset
|
14 * On Linux up to 2.4.21 sendfile() (syscall #187) works with 32-bit |
479 | 15 * offsets only, and the including <sys/sendfile.h> breaks the compiling, |
16 * if off_t is 64 bit wide. So we use own sendfile() definition, where offset | |
17 * parameter is int32_t, and use sendfile() for the file parts below 2G only, | |
18 * see src/os/unix/ngx_linux_config.h | |
199
a65b630b3a66
nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
198
diff
changeset
|
19 * |
687
8e446a2daf48
workaround of 2G+ file bug in 64-bit Linux sendfile()
Igor Sysoev <igor@sysoev.ru>
parents:
597
diff
changeset
|
20 * Linux 2.4.21 has the new sendfile64() syscall #239. |
8e446a2daf48
workaround of 2G+ file bug in 64-bit Linux sendfile()
Igor Sysoev <igor@sysoev.ru>
parents:
597
diff
changeset
|
21 * |
8e446a2daf48
workaround of 2G+ file bug in 64-bit Linux sendfile()
Igor Sysoev <igor@sysoev.ru>
parents:
597
diff
changeset
|
22 * On Linux up to 2.6.16 sendfile() does not allow to pass the count parameter |
8e446a2daf48
workaround of 2G+ file bug in 64-bit Linux sendfile()
Igor Sysoev <igor@sysoev.ru>
parents:
597
diff
changeset
|
23 * more than 2G-1 bytes even on 64-bit platforms: it returns EINVAL, |
8e446a2daf48
workaround of 2G+ file bug in 64-bit Linux sendfile()
Igor Sysoev <igor@sysoev.ru>
parents:
597
diff
changeset
|
24 * so we limit it to 2G-1 bytes. |
199
a65b630b3a66
nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
198
diff
changeset
|
25 */ |
a65b630b3a66
nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
198
diff
changeset
|
26 |
5322
bdb3588681c9
Unbreak building on Linux without sendfile64() support.
Valentin Bartenev <vbart@nginx.com>
parents:
5320
diff
changeset
|
27 #define NGX_SENDFILE_MAXSIZE 2147483647L |
687
8e446a2daf48
workaround of 2G+ file bug in 64-bit Linux sendfile()
Igor Sysoev <igor@sysoev.ru>
parents:
597
diff
changeset
|
28 |
199
a65b630b3a66
nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
198
diff
changeset
|
29 |
585 | 30 ngx_chain_t * |
31 ngx_linux_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit) | |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
32 { |
589 | 33 int rc, tcp_nodelay; |
5915
ac3f78219f85
Moved the code for coalescing file buffers to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
5913
diff
changeset
|
34 off_t send, prev_send, sent; |
589 | 35 size_t file_size; |
36 ngx_err_t err; | |
37 ngx_buf_t *file; | |
5851
150df089fe47
Removed the "complete" variable from various send chain functions.
Valentin Bartenev <vbart@nginx.com>
parents:
5850
diff
changeset
|
38 ngx_uint_t eintr; |
589 | 39 ngx_event_t *wev; |
40 ngx_chain_t *cl; | |
5913
8e903522c17a
Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
5912
diff
changeset
|
41 ngx_iovec_t header; |
8e903522c17a
Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
5912
diff
changeset
|
42 struct iovec headers[NGX_IOVS_PREALLOCATE]; |
455 | 43 #if (NGX_HAVE_SENDFILE64) |
589 | 44 off_t offset; |
198
34995c5ec6c4
nginx-0.0.1-2003-11-27-22:01:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
196
diff
changeset
|
45 #else |
589 | 46 int32_t offset; |
198
34995c5ec6c4
nginx-0.0.1-2003-11-27-22:01:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
196
diff
changeset
|
47 #endif |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
48 |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
49 wev = c->write; |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
50 |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
51 if (!wev->ready) { |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
52 return in; |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
53 } |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
54 |
473 | 55 |
687
8e446a2daf48
workaround of 2G+ file bug in 64-bit Linux sendfile()
Igor Sysoev <igor@sysoev.ru>
parents:
597
diff
changeset
|
56 /* the maximum limit size is 2G-1 - the page size */ |
473 | 57 |
5322
bdb3588681c9
Unbreak building on Linux without sendfile64() support.
Valentin Bartenev <vbart@nginx.com>
parents:
5320
diff
changeset
|
58 if (limit == 0 || limit > (off_t) (NGX_SENDFILE_MAXSIZE - ngx_pagesize)) { |
bdb3588681c9
Unbreak building on Linux without sendfile64() support.
Valentin Bartenev <vbart@nginx.com>
parents:
5320
diff
changeset
|
59 limit = NGX_SENDFILE_MAXSIZE - ngx_pagesize; |
473 | 60 } |
61 | |
62 | |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
63 send = 0; |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
64 |
5913
8e903522c17a
Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
5912
diff
changeset
|
65 header.iovs = headers; |
5854
b63e829621ab
Generalized definitions of the number of preallocated iovec's.
Valentin Bartenev <vbart@nginx.com>
parents:
5851
diff
changeset
|
66 header.nalloc = NGX_IOVS_PREALLOCATE; |
428
5e73d0ea4dab
nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
402
diff
changeset
|
67 |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
68 for ( ;; ) { |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
69 eintr = 0; |
473 | 70 prev_send = send; |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
71 |
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:
290
diff
changeset
|
72 /* create the iovec and coalesce the neighbouring bufs */ |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
73 |
5913
8e903522c17a
Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
5912
diff
changeset
|
74 cl = ngx_output_chain_to_iovec(&header, in, limit - send, c->log); |
479 | 75 |
5913
8e903522c17a
Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
5912
diff
changeset
|
76 if (cl == NGX_CHAIN_ERROR) { |
8e903522c17a
Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
5912
diff
changeset
|
77 return NGX_CHAIN_ERROR; |
8e903522c17a
Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
5912
diff
changeset
|
78 } |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
79 |
5913
8e903522c17a
Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
5912
diff
changeset
|
80 send += header.size; |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
81 |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
82 /* set TCP_CORK if there is a header before a file */ |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
83 |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
84 if (c->tcp_nopush == NGX_TCP_NOPUSH_UNSET |
5913
8e903522c17a
Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
5912
diff
changeset
|
85 && header.count != 0 |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
86 && cl |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
87 && cl->buf->in_file) |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
88 { |
473 | 89 /* the TCP_CORK and TCP_NODELAY are mutually exclusive */ |
90 | |
483 | 91 if (c->tcp_nodelay == NGX_TCP_NODELAY_SET) { |
473 | 92 |
93 tcp_nodelay = 0; | |
94 | |
95 if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY, | |
96 (const void *) &tcp_nodelay, sizeof(int)) == -1) | |
97 { | |
5557
188481078faf
Use ngx_socket_errno where appropriate.
Piotr Sikora <piotr@cloudflare.com>
parents:
5322
diff
changeset
|
98 err = ngx_socket_errno; |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
99 |
473 | 100 /* |
479 | 101 * there is a tiny chance to be interrupted, however, |
473 | 102 * we continue a processing with the TCP_NODELAY |
103 * and without the TCP_CORK | |
104 */ | |
105 | |
577 | 106 if (err != NGX_EINTR) { |
473 | 107 wev->error = 1; |
483 | 108 ngx_connection_error(c, err, |
473 | 109 "setsockopt(TCP_NODELAY) failed"); |
110 return NGX_CHAIN_ERROR; | |
111 } | |
112 | |
113 } else { | |
483 | 114 c->tcp_nodelay = NGX_TCP_NODELAY_UNSET; |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
115 |
5222
23a186e8ca45
Style: remove unnecessary references to HTTP from non-HTTP modules.
Piotr Sikora <piotr@cloudflare.com>
parents:
4596
diff
changeset
|
116 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, |
473 | 117 "no tcp_nodelay"); |
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
118 } |
473 | 119 } |
120 | |
483 | 121 if (c->tcp_nodelay == NGX_TCP_NODELAY_UNSET) { |
473 | 122 |
123 if (ngx_tcp_nopush(c->fd) == NGX_ERROR) { | |
5557
188481078faf
Use ngx_socket_errno where appropriate.
Piotr Sikora <piotr@cloudflare.com>
parents:
5322
diff
changeset
|
124 err = ngx_socket_errno; |
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
125 |
473 | 126 /* |
479 | 127 * there is a tiny chance to be interrupted, however, |
473 | 128 * we continue a processing without the TCP_CORK |
129 */ | |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
130 |
577 | 131 if (err != NGX_EINTR) { |
473 | 132 wev->error = 1; |
133 ngx_connection_error(c, err, | |
134 ngx_tcp_nopush_n " failed"); | |
135 return NGX_CHAIN_ERROR; | |
136 } | |
137 | |
138 } else { | |
139 c->tcp_nopush = NGX_TCP_NOPUSH_SET; | |
577 | 140 |
473 | 141 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, |
142 "tcp_nopush"); | |
143 } | |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
144 } |
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
145 } |
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
146 |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
147 /* get the file buf */ |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
148 |
5913
8e903522c17a
Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
5912
diff
changeset
|
149 if (header.count == 0 && cl && cl->buf->in_file && send < limit) { |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
150 file = cl->buf; |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
151 |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
152 /* coalesce the neighbouring file bufs */ |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
153 |
5915
ac3f78219f85
Moved the code for coalescing file buffers to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
5913
diff
changeset
|
154 file_size = (size_t) ngx_chain_coalesce_file(&cl, limit - send); |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
155 |
5915
ac3f78219f85
Moved the code for coalescing file buffers to a separate function.
Valentin Bartenev <vbart@nginx.com>
parents:
5913
diff
changeset
|
156 send += file_size; |
589 | 157 #if 1 |
158 if (file_size == 0) { | |
159 ngx_debug_point(); | |
160 return NGX_CHAIN_ERROR; | |
161 } | |
162 #endif | |
455 | 163 #if (NGX_HAVE_SENDFILE64) |
196
11fbd0fc041d
nginx-0.0.1-2003-11-26-18:42:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
164 offset = file->file_pos; |
198
34995c5ec6c4
nginx-0.0.1-2003-11-27-22:01:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
196
diff
changeset
|
165 #else |
34995c5ec6c4
nginx-0.0.1-2003-11-27-22:01:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
196
diff
changeset
|
166 offset = (int32_t) file->file_pos; |
34995c5ec6c4
nginx-0.0.1-2003-11-27-22:01:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
196
diff
changeset
|
167 #endif |
1198 | 168 |
169 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
170 "sendfile: @%O %uz", file->file_pos, file_size); | |
171 | |
473 | 172 rc = sendfile(c->fd, file->file->fd, &offset, file_size); |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
173 |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
174 if (rc == -1) { |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
175 err = ngx_errno; |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
176 |
3063
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
177 switch (err) { |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
178 case NGX_EAGAIN: |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
179 break; |
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
180 |
3063
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
181 case NGX_EINTR: |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
182 eintr = 1; |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
183 break; |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
184 |
3063
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
185 default: |
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
186 wev->error = 1; |
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
187 ngx_connection_error(c, err, "sendfile() failed"); |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
188 return NGX_CHAIN_ERROR; |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
189 } |
3063
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
190 |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
191 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
192 "sendfile() is not ready"); |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
193 } |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
194 |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
195 sent = rc > 0 ? rc : 0; |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
196 |
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
197 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, |
473 | 198 "sendfile: %d, @%O %O:%uz", |
199 rc, file->file_pos, sent, file_size); | |
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
200 |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
201 } else { |
5913
8e903522c17a
Introduced the ngx_output_chain_to_iovec() function.
Valentin Bartenev <vbart@nginx.com>
parents:
5912
diff
changeset
|
202 rc = writev(c->fd, header.iovs, header.count); |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
203 |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
204 if (rc == -1) { |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
205 err = ngx_errno; |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
206 |
3063
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
207 switch (err) { |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
208 case NGX_EAGAIN: |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
209 break; |
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
210 |
3063
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
211 case NGX_EINTR: |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
212 eintr = 1; |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
213 break; |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
214 |
3063
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
215 default: |
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
216 wev->error = 1; |
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
217 ngx_connection_error(c, err, "writev() failed"); |
577 | 218 return NGX_CHAIN_ERROR; |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
219 } |
3063
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
220 |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
221 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, |
6f6d7ea70805
refactor EAGAIN/EINTR processing
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
222 "writev() not ready"); |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
223 } |
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
224 |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
225 sent = rc > 0 ? rc : 0; |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
226 |
473 | 227 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "writev: %O", sent); |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
228 } |
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
229 |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
230 c->sent += sent; |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
231 |
5912
de68ed551bfb
Renamed ngx_handle_sent_chain() to ngx_chain_update_sent().
Valentin Bartenev <vbart@nginx.com>
parents:
5868
diff
changeset
|
232 in = ngx_chain_update_sent(in, sent); |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
233 |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
234 if (eintr) { |
5868
6bbad2e73245
Fixed counting of sent bytes in the send chain functions on EINTR.
Valentin Bartenev <vbart@nginx.com>
parents:
5854
diff
changeset
|
235 send = prev_send; |
577 | 236 continue; |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
237 } |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
238 |
5851
150df089fe47
Removed the "complete" variable from various send chain functions.
Valentin Bartenev <vbart@nginx.com>
parents:
5850
diff
changeset
|
239 if (send - prev_send != sent) { |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
240 wev->ready = 0; |
5320
ad137a80919f
Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
Gleb Smirnoff <glebius@nginx.com>
parents:
5222
diff
changeset
|
241 return in; |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
242 } |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
243 |
5320
ad137a80919f
Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
Gleb Smirnoff <glebius@nginx.com>
parents:
5222
diff
changeset
|
244 if (send >= limit || in == NULL) { |
ad137a80919f
Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
Gleb Smirnoff <glebius@nginx.com>
parents:
5222
diff
changeset
|
245 return in; |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
246 } |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
247 } |
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
248 } |