Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_linux_sendfile_chain.c @ 489:45a460f82aec release-0.1.19
nginx-0.1.19-RELEASE import
*) Bugfix: now, if request contains the zero, then the 404 error is
returned for the local requests.
*) Bugfix: nginx could not be built on NetBSD 2.0.
*) Bugfix: the timeout may occur while reading of the the client
request body via SSL connections.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 16 Feb 2005 13:40:36 +0000 |
parents | 621229427cba |
children | d4ea69372b94 |
rev | line source |
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1 |
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2 /* |
444
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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5 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 |
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11 |
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12 /* |
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13 * On Linux up to 2.4.21 sendfile() (syscall #187) works with 32-bit |
479 | 14 * offsets only, and the including <sys/sendfile.h> breaks the compiling, |
15 * if off_t is 64 bit wide. So we use own sendfile() definition, where offset | |
16 * parameter is int32_t, and use sendfile() for the file parts below 2G only, | |
17 * see src/os/unix/ngx_linux_config.h | |
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18 * |
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19 * Linux 2.4.21 has a new sendfile64() syscall #239. |
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20 */ |
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21 |
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22 |
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23 #define NGX_HEADERS 8 |
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24 |
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25 |
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26 ngx_chain_t *ngx_linux_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, |
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27 off_t limit) |
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28 { |
473 | 29 int rc, tcp_nodelay; |
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30 u_char *prev; |
473 | 31 off_t size, send, prev_send, aligned, sent, fprev; |
32 size_t file_size; | |
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33 ngx_uint_t eintr, complete; |
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34 ngx_err_t err; |
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35 ngx_buf_t *file; |
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36 ngx_array_t header; |
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37 ngx_event_t *wev; |
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38 ngx_chain_t *cl; |
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39 struct iovec *iov, headers[NGX_HEADERS]; |
455 | 40 #if (NGX_HAVE_SENDFILE64) |
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41 off_t offset; |
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42 #else |
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43 int32_t offset; |
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44 #endif |
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45 |
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46 wev = c->write; |
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47 |
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48 if (!wev->ready) { |
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49 return in; |
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50 } |
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51 |
473 | 52 |
53 /* the maximum limit size is the maximum size_t value - the page size */ | |
54 | |
477 | 55 if (limit == 0 || limit > NGX_MAX_SIZE_T_VALUE - ngx_pagesize) { |
56 limit = NGX_MAX_SIZE_T_VALUE - ngx_pagesize; | |
473 | 57 } |
58 | |
59 | |
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60 send = 0; |
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61 |
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62 header.elts = headers; |
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63 header.size = sizeof(struct iovec); |
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64 header.nalloc = NGX_HEADERS; |
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65 header.pool = c->pool; |
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66 |
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67 for ( ;; ) { |
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68 file = NULL; |
473 | 69 file_size = 0; |
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70 eintr = 0; |
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71 complete = 0; |
473 | 72 prev_send = send; |
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73 |
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74 header.nelts = 0; |
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75 |
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76 prev = NULL; |
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77 iov = NULL; |
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78 |
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79 /* create the iovec and coalesce the neighbouring bufs */ |
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80 |
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81 for (cl = in; |
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82 cl && header.nelts < IOV_MAX && send < limit; |
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83 cl = cl->next) |
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84 { |
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85 if (ngx_buf_special(cl->buf)) { |
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86 continue; |
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87 } |
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88 |
479 | 89 #if 1 |
90 if (!ngx_buf_in_memory(cl->buf) && !cl->buf->in_file) { | |
91 ngx_log_error(NGX_LOG_ALERT, c->log, 0, | |
483 | 92 "zero size buf in sendfile " |
93 "t:%d r:%d f:%d %p %p-%p %p %O-%O", | |
94 cl->buf->temporary, | |
95 cl->buf->recycled, | |
96 cl->buf->in_file, | |
97 cl->buf->start, | |
98 cl->buf->pos, | |
99 cl->buf->last, | |
100 cl->buf->file, | |
101 cl->buf->file_pos, | |
102 cl->buf->file_last); | |
103 | |
479 | 104 ngx_debug_point(); |
489 | 105 |
106 return NGX_CHAIN_ERROR; | |
479 | 107 } |
108 #endif | |
109 | |
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110 if (!ngx_buf_in_memory_only(cl->buf)) { |
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111 break; |
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112 } |
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113 |
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114 size = cl->buf->last - cl->buf->pos; |
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115 |
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116 if (send + size > limit) { |
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117 size = limit - send; |
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118 } |
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119 |
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120 if (prev == cl->buf->pos) { |
473 | 121 iov->iov_len += (size_t) size; |
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122 |
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123 } else { |
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124 if (!(iov = ngx_array_push(&header))) { |
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125 return NGX_CHAIN_ERROR; |
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126 } |
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127 |
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128 iov->iov_base = (void *) cl->buf->pos; |
473 | 129 iov->iov_len = (size_t) size; |
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130 } |
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131 |
473 | 132 prev = cl->buf->pos + (size_t) size; |
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133 send += size; |
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134 } |
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135 |
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136 /* set TCP_CORK if there is a header before a file */ |
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137 |
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Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
138 if (c->tcp_nopush == NGX_TCP_NOPUSH_UNSET |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
139 && header.nelts != 0 |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
140 && cl |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
141 && 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
|
142 { |
473 | 143 /* the TCP_CORK and TCP_NODELAY are mutually exclusive */ |
144 | |
483 | 145 if (c->tcp_nodelay == NGX_TCP_NODELAY_SET) { |
473 | 146 |
147 tcp_nodelay = 0; | |
148 | |
149 if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY, | |
150 (const void *) &tcp_nodelay, sizeof(int)) == -1) | |
151 { | |
152 err = ngx_errno; | |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
153 |
473 | 154 /* |
479 | 155 * there is a tiny chance to be interrupted, however, |
473 | 156 * we continue a processing with the TCP_NODELAY |
157 * and without the TCP_CORK | |
158 */ | |
159 | |
160 if (err != NGX_EINTR) { | |
161 wev->error = 1; | |
483 | 162 ngx_connection_error(c, err, |
473 | 163 "setsockopt(TCP_NODELAY) failed"); |
164 return NGX_CHAIN_ERROR; | |
165 } | |
166 | |
167 } else { | |
483 | 168 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
|
169 |
473 | 170 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
171 "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
|
172 } |
473 | 173 } |
174 | |
483 | 175 if (c->tcp_nodelay == NGX_TCP_NODELAY_UNSET) { |
473 | 176 |
177 if (ngx_tcp_nopush(c->fd) == NGX_ERROR) { | |
178 err = ngx_errno; | |
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
179 |
473 | 180 /* |
479 | 181 * there is a tiny chance to be interrupted, however, |
473 | 182 * we continue a processing without the TCP_CORK |
183 */ | |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
184 |
473 | 185 if (err != NGX_EINTR) { |
186 wev->error = 1; | |
187 ngx_connection_error(c, err, | |
188 ngx_tcp_nopush_n " failed"); | |
189 return NGX_CHAIN_ERROR; | |
190 } | |
191 | |
192 } else { | |
193 c->tcp_nopush = NGX_TCP_NOPUSH_SET; | |
194 | |
195 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
196 "tcp_nopush"); | |
197 } | |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
198 } |
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
199 } |
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
200 |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
201 /* 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
|
202 |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
203 if (header.nelts == 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
|
204 file = cl->buf; |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
205 |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
206 /* 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
|
207 |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
208 do { |
473 | 209 size = cl->buf->file_last - cl->buf->file_pos; |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
210 |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
211 if (send + size > limit) { |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
212 size = limit - send; |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
213 |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
214 aligned = (cl->buf->file_pos + size + ngx_pagesize - 1) |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
215 & ~(ngx_pagesize - 1); |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
216 |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
217 if (aligned <= cl->buf->file_last) { |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
218 size = aligned - cl->buf->file_pos; |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
219 } |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
220 } |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
221 |
473 | 222 file_size += (size_t) size; |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
223 send += size; |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
224 fprev = cl->buf->file_pos + size; |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
225 cl = cl->next; |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
226 |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
227 } while (cl |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
228 && cl->buf->in_file |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
229 && send < limit |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
230 && file->file->fd == cl->buf->file->fd |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
231 && fprev == cl->buf->file_pos); |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
232 } |
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 (file) { |
455 | 235 #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
|
236 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
|
237 #else |
34995c5ec6c4
nginx-0.0.1-2003-11-27-22:01:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
196
diff
changeset
|
238 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
|
239 #endif |
473 | 240 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
|
241 |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
242 if (rc == -1) { |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
243 err = ngx_errno; |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
244 |
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
245 if (err == NGX_EAGAIN || err == NGX_EINTR) { |
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
246 if (err == NGX_EINTR) { |
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
247 eintr = 1; |
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
248 } |
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
249 |
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
250 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, |
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
251 "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
|
252 |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
253 } else { |
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
254 wev->error = 1; |
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
255 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
|
256 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
|
257 } |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
258 } |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
259 |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
260 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
|
261 |
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
262 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, |
473 | 263 "sendfile: %d, @%O %O:%uz", |
264 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
|
265 |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
266 } else { |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
267 rc = writev(c->fd, header.elts, header.nelts); |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
268 |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
269 if (rc == -1) { |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
270 err = ngx_errno; |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
271 |
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
272 if (err == NGX_EAGAIN || err == NGX_EINTR) { |
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
273 if (err == NGX_EINTR) { |
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
274 eintr = 1; |
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
275 } |
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
276 |
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
277 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, |
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
278 "writev() not ready"); |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
279 |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
280 } else { |
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
281 wev->error = 1; |
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
282 ngx_connection_error(c, err, "writev() failed"); |
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
283 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
|
284 } |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
285 } |
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
286 |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
287 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
|
288 |
473 | 289 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
|
290 } |
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
291 |
473 | 292 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
|
293 complete = 1; |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
294 } |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
295 |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
296 c->sent += sent; |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
297 |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
298 for (cl = in; cl; cl = cl->next) { |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
299 |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
300 if (ngx_buf_special(cl->buf)) { |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
301 continue; |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
302 } |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
303 |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
304 if (sent == 0) { |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
305 break; |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
306 } |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
307 |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
308 size = ngx_buf_size(cl->buf); |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
309 |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
310 if (sent >= size) { |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
311 sent -= size; |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
312 |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
313 if (ngx_buf_in_memory(cl->buf)) { |
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
314 cl->buf->pos = cl->buf->last; |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
315 } |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
316 |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
317 if (cl->buf->in_file) { |
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
318 cl->buf->file_pos = cl->buf->file_last; |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
319 } |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
320 |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
321 continue; |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
322 } |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
323 |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
324 if (ngx_buf_in_memory(cl->buf)) { |
473 | 325 cl->buf->pos += (size_t) sent; |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
326 } |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
327 |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
328 if (cl->buf->in_file) { |
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
329 cl->buf->file_pos += sent; |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
330 } |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
331 |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
332 break; |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
333 } |
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
334 |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
335 if (eintr) { |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
336 continue; |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
337 } |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
338 |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
339 if (!complete) { |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
340 wev->ready = 0; |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
341 return cl; |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
342 } |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
343 |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
344 if (send >= limit || cl == NULL) { |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
345 return cl; |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
346 } |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
347 |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
348 in = cl; |
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
349 } |
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
350 } |