Mercurial > hg > nginx
annotate src/os/unix/ngx_linux_sendfile_chain.c @ 589:d4e858a5751a release-0.3.16
nginx-0.3.16-RELEASE import
*) Feature: the ngx_http_map_module.
*) Feature: the "types_hash_max_size" and "types_hash_bucket_size"
directives.
*) Feature: the "ssi_value_length" directive.
*) Feature: the "worker_rlimit_core" directive.
*) Workaround: the connection number in logs was always 1 if nginx was
built by the icc 8.1 or 9.0 compilers with optimization for
Pentium 4.
*) Bugfix: the "config timefmt" SSI command set incorrect time format.
*) Bugfix: nginx did not close connection to IMAP/POP3 backend for the
SSL connections; the bug had appeared in 0.3.13.
Thanks to Rob Mueller.
*) Bugfix: segmentation fault may occurred in at SSL shutdown; the bug
had appeared in 0.3.13.
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Fri, 16 Dec 2005 15:07:08 +0000 |
| parents | 401de5a43ba5 |
| children | 9262f520ce21 |
| rev | line source |
|---|---|
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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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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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 |
| 585 | 26 ngx_chain_t * |
| 27 ngx_linux_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit) | |
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28 { |
| 589 | 29 int rc, tcp_nodelay; |
| 30 off_t size, send, prev_send, aligned, sent, fprev; | |
| 31 u_char *prev; | |
| 32 size_t file_size; | |
| 33 ngx_err_t err; | |
| 34 ngx_buf_t *file; | |
| 35 ngx_uint_t eintr, complete; | |
| 36 ngx_array_t header; | |
| 37 ngx_event_t *wev; | |
| 38 ngx_chain_t *cl; | |
| 39 struct iovec *iov, headers[NGX_HEADERS]; | |
| 455 | 40 #if (NGX_HAVE_SENDFILE64) |
| 589 | 41 off_t offset; |
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42 #else |
| 589 | 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 { |
| 501 | 124 iov = ngx_array_push(&header); |
| 125 if (iov == NULL) { | |
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126 return NGX_CHAIN_ERROR; |
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127 } |
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128 |
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129 iov->iov_base = (void *) cl->buf->pos; |
| 473 | 130 iov->iov_len = (size_t) size; |
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131 } |
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132 |
| 473 | 133 prev = cl->buf->pos + (size_t) size; |
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134 send += size; |
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135 } |
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136 |
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137 /* set TCP_CORK if there is a header before a file */ |
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138 |
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139 if (c->tcp_nopush == NGX_TCP_NOPUSH_UNSET |
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140 && header.nelts != 0 |
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141 && cl |
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142 && cl->buf->in_file) |
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143 { |
| 473 | 144 /* the TCP_CORK and TCP_NODELAY are mutually exclusive */ |
| 145 | |
| 483 | 146 if (c->tcp_nodelay == NGX_TCP_NODELAY_SET) { |
| 473 | 147 |
| 148 tcp_nodelay = 0; | |
| 149 | |
| 150 if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY, | |
| 151 (const void *) &tcp_nodelay, sizeof(int)) == -1) | |
| 152 { | |
| 153 err = ngx_errno; | |
|
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
154 |
| 473 | 155 /* |
| 479 | 156 * there is a tiny chance to be interrupted, however, |
| 473 | 157 * we continue a processing with the TCP_NODELAY |
| 158 * and without the TCP_CORK | |
| 159 */ | |
| 160 | |
| 577 | 161 if (err != NGX_EINTR) { |
| 473 | 162 wev->error = 1; |
| 483 | 163 ngx_connection_error(c, err, |
| 473 | 164 "setsockopt(TCP_NODELAY) failed"); |
| 165 return NGX_CHAIN_ERROR; | |
| 166 } | |
| 167 | |
| 168 } else { | |
| 483 | 169 c->tcp_nodelay = NGX_TCP_NODELAY_UNSET; |
|
97
70d2345a903f
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
170 |
| 473 | 171 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
| 172 "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
|
173 } |
| 473 | 174 } |
| 175 | |
| 483 | 176 if (c->tcp_nodelay == NGX_TCP_NODELAY_UNSET) { |
| 473 | 177 |
| 178 if (ngx_tcp_nopush(c->fd) == NGX_ERROR) { | |
| 179 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
|
180 |
| 473 | 181 /* |
| 479 | 182 * there is a tiny chance to be interrupted, however, |
| 473 | 183 * we continue a processing without the TCP_CORK |
| 184 */ | |
|
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
185 |
| 577 | 186 if (err != NGX_EINTR) { |
| 473 | 187 wev->error = 1; |
| 188 ngx_connection_error(c, err, | |
| 189 ngx_tcp_nopush_n " failed"); | |
| 190 return NGX_CHAIN_ERROR; | |
| 191 } | |
| 192 | |
| 193 } else { | |
| 194 c->tcp_nopush = NGX_TCP_NOPUSH_SET; | |
| 577 | 195 |
| 473 | 196 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, |
| 197 "tcp_nopush"); | |
| 198 } | |
|
97
70d2345a903f
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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 } |
|
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
201 |
|
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
202 /* 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
|
203 |
|
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
204 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
|
205 file = cl->buf; |
|
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
206 |
|
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
207 /* 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
|
208 |
|
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
209 do { |
| 473 | 210 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
|
211 |
|
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
212 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
|
213 size = limit - send; |
|
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
214 |
|
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
215 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
|
216 & ~(ngx_pagesize - 1); |
|
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
217 |
|
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
218 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
|
219 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
|
220 } |
|
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
221 } |
|
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
222 |
| 473 | 223 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
|
224 send += size; |
|
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
225 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
|
226 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
|
227 |
|
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
228 } while (cl |
|
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
229 && 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
|
230 && send < limit |
|
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
231 && 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
|
232 && 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
|
233 } |
|
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
234 |
|
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
235 if (file) { |
| 589 | 236 #if 1 |
| 237 if (file_size == 0) { | |
| 238 ngx_debug_point(); | |
| 239 return NGX_CHAIN_ERROR; | |
| 240 } | |
| 241 #endif | |
| 455 | 242 #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
|
243 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
|
244 #else |
|
34995c5ec6c4
nginx-0.0.1-2003-11-27-22:01:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
196
diff
changeset
|
245 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
|
246 #endif |
| 473 | 247 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
|
248 |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
249 if (rc == -1) { |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
250 err = ngx_errno; |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
251 |
|
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
252 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
|
253 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
|
254 eintr = 1; |
|
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
255 } |
|
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
256 |
|
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
257 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
|
258 "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
|
259 |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
260 } else { |
|
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
261 wev->error = 1; |
|
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
262 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
|
263 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
|
264 } |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
265 } |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
266 |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
267 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
|
268 |
|
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
269 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, |
| 473 | 270 "sendfile: %d, @%O %O:%uz", |
| 271 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
|
272 |
|
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
273 } else { |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
274 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
|
275 |
|
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
276 if (rc == -1) { |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
277 err = ngx_errno; |
|
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
278 |
|
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
279 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
|
280 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
|
281 eintr = 1; |
|
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
282 } |
|
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
283 |
|
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
284 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
|
285 "writev() not ready"); |
|
97
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 } else { |
|
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
288 wev->error = 1; |
|
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
289 ngx_connection_error(c, err, "writev() failed"); |
| 577 | 290 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
|
291 } |
|
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
292 } |
|
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
293 |
|
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
294 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
|
295 |
| 473 | 296 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
|
297 } |
|
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
298 |
| 473 | 299 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
|
300 complete = 1; |
|
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
301 } |
|
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
302 |
|
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
303 c->sent += sent; |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
304 |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
305 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
|
306 |
|
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
307 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
|
308 continue; |
|
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 |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
311 if (sent == 0) { |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
312 break; |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
313 } |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
314 |
|
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
315 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
|
316 |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
317 if (sent >= size) { |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
318 sent -= size; |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
319 |
|
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
320 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
|
321 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
|
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 (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
|
325 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
|
326 } |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
327 |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
328 continue; |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
329 } |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
330 |
|
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
331 if (ngx_buf_in_memory(cl->buf)) { |
| 473 | 332 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
|
333 } |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
334 |
|
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
335 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
|
336 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
|
337 } |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
338 |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
339 break; |
|
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
340 } |
|
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
341 |
|
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
342 if (eintr) { |
| 577 | 343 continue; |
|
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
344 } |
|
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
97
diff
changeset
|
345 |
| 577 | 346 if (!complete) { |
|
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
347 wev->ready = 0; |
|
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
348 return cl; |
|
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
349 } |
|
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
350 |
|
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
351 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
|
352 return cl; |
|
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
353 } |
|
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
354 |
|
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
355 in = cl; |
|
97
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
356 } |
|
70d2345a903f
nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
357 } |