Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_darwin_sendfile_chain.c @ 5513:311803b21504
SPDY: body filter was replaced by c->send_chain() function.
It allows to use ngx_http_write_filter() and all its rate limiting logic.
author | Valentin Bartenev <vbart@nginx.com> |
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date | Tue, 14 Jan 2014 16:24:45 +0400 |
parents | ad137a80919f |
children | 675bda8dcfdb |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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6 |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_event.h> |
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11 |
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12 |
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13 /* |
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14 * It seems that Darwin 9.4 (Mac OS X 1.5) sendfile() has the same |
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15 * old bug as early FreeBSD sendfile() syscall: |
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16 * http://www.freebsd.org/cgi/query-pr.cgi?pr=33771 |
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17 * |
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18 * Besides sendfile() has another bug: if one calls sendfile() |
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19 * with both a header and a trailer, then sendfile() ignores a file part |
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20 * at all and sends only the header and the trailer together. |
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21 * For this reason we send a trailer only if there is no a header. |
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22 * |
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23 * Although sendfile() allows to pass a header or a trailer, |
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24 * it may send the header or the trailer and a part of the file |
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25 * in different packets. And FreeBSD workaround (TCP_NOPUSH option) |
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26 * does not help. |
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27 */ |
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28 |
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29 |
597 | 30 #if (IOV_MAX > 64) |
31 #define NGX_HEADERS 64 | |
32 #define NGX_TRAILERS 64 | |
33 #else | |
34 #define NGX_HEADERS IOV_MAX | |
35 #define NGX_TRAILERS IOV_MAX | |
36 #endif | |
428
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37 |
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38 |
501 | 39 ngx_chain_t * |
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40 ngx_darwin_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit) |
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41 { |
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42 int rc; |
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43 u_char *prev; |
473 | 44 off_t size, send, prev_send, aligned, sent, fprev; |
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45 off_t header_size, file_size; |
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46 ngx_uint_t eintr, complete; |
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47 ngx_err_t err; |
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48 ngx_buf_t *file; |
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49 ngx_array_t header, trailer; |
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50 ngx_event_t *wev; |
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51 ngx_chain_t *cl; |
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52 struct sf_hdtr hdtr; |
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53 struct iovec *iov, headers[NGX_HEADERS], trailers[NGX_TRAILERS]; |
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54 |
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55 wev = c->write; |
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56 |
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57 if (!wev->ready) { |
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58 return in; |
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59 } |
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60 |
469 | 61 #if (NGX_HAVE_KQUEUE) |
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62 |
587 | 63 if ((ngx_event_flags & NGX_USE_KQUEUE_EVENT) && wev->pending_eof) { |
537 | 64 (void) ngx_connection_error(c, wev->kq_errno, |
65 "kevent() reported about an closed connection"); | |
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66 wev->error = 1; |
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67 return NGX_CHAIN_ERROR; |
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68 } |
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69 |
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70 #endif |
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71 |
473 | 72 /* the maximum limit size is the maximum size_t value - the page size */ |
73 | |
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74 if (limit == 0 || limit > (off_t) (NGX_MAX_SIZE_T_VALUE - ngx_pagesize)) { |
477 | 75 limit = NGX_MAX_SIZE_T_VALUE - ngx_pagesize; |
473 | 76 } |
77 | |
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78 send = 0; |
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79 |
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80 header.elts = headers; |
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81 header.size = sizeof(struct iovec); |
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82 header.nalloc = NGX_HEADERS; |
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83 header.pool = c->pool; |
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84 |
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85 trailer.elts = trailers; |
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86 trailer.size = sizeof(struct iovec); |
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87 trailer.nalloc = NGX_TRAILERS; |
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88 trailer.pool = c->pool; |
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89 |
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90 for ( ;; ) { |
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91 file = NULL; |
473 | 92 file_size = 0; |
93 header_size = 0; | |
96
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94 eintr = 0; |
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95 complete = 0; |
473 | 96 prev_send = send; |
96
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97 |
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98 header.nelts = 0; |
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99 trailer.nelts = 0; |
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100 |
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101 /* create the header iovec and coalesce the neighbouring bufs */ |
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102 |
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103 prev = NULL; |
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104 iov = NULL; |
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105 |
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106 for (cl = in; cl && send < limit; cl = cl->next) { |
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107 |
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108 if (ngx_buf_special(cl->buf)) { |
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109 continue; |
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110 } |
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111 |
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112 if (!ngx_buf_in_memory_only(cl->buf)) { |
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113 break; |
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114 } |
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115 |
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116 size = cl->buf->last - cl->buf->pos; |
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117 |
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118 if (send + size > limit) { |
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119 size = limit - send; |
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120 } |
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121 |
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parents:
297
diff
changeset
|
122 if (prev == cl->buf->pos) { |
473 | 123 iov->iov_len += (size_t) size; |
96
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
124 |
143
5526213be452
nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
142
diff
changeset
|
125 } else { |
4596
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4499
diff
changeset
|
126 if (header.nelts >= IOV_MAX) { |
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4499
diff
changeset
|
127 break; |
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4499
diff
changeset
|
128 } |
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4499
diff
changeset
|
129 |
501 | 130 iov = ngx_array_push(&header); |
131 if (iov == NULL) { | |
428
5e73d0ea4dab
nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
402
diff
changeset
|
132 return NGX_CHAIN_ERROR; |
5e73d0ea4dab
nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
402
diff
changeset
|
133 } |
5e73d0ea4dab
nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
402
diff
changeset
|
134 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
135 iov->iov_base = (void *) cl->buf->pos; |
473 | 136 iov->iov_len = (size_t) size; |
143
5526213be452
nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
142
diff
changeset
|
137 } |
63
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
138 |
473 | 139 prev = cl->buf->pos + (size_t) size; |
2128
345a014436d4
*) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
140 header_size += size; |
361
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
141 send += size; |
96
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
142 } |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
143 |
142
cb77c084acdb
nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
103
diff
changeset
|
144 |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
361
diff
changeset
|
145 if (cl && cl->buf->in_file && send < limit) { |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
146 file = cl->buf; |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
147 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
148 /* coalesce the neighbouring file bufs */ |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
149 |
361
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
150 do { |
473 | 151 size = cl->buf->file_last - cl->buf->file_pos; |
361
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
152 |
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
153 if (send + size > limit) { |
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
154 size = limit - send; |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
361
diff
changeset
|
155 |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
361
diff
changeset
|
156 aligned = (cl->buf->file_pos + size + ngx_pagesize - 1) |
1182
df449f4a8032
fix sendfile on 64-bit Linux and limit_rate on all 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
597
diff
changeset
|
157 & ~((off_t) ngx_pagesize - 1); |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
361
diff
changeset
|
158 |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
361
diff
changeset
|
159 if (aligned <= cl->buf->file_last) { |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
361
diff
changeset
|
160 size = aligned - cl->buf->file_pos; |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
361
diff
changeset
|
161 } |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
162 } |
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
163 |
2128
345a014436d4
*) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
164 file_size += size; |
361
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
165 send += size; |
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
166 fprev = cl->buf->file_pos + size; |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
167 cl = cl->next; |
361
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
168 |
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
169 } while (cl |
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
170 && cl->buf->in_file |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
361
diff
changeset
|
171 && send < limit |
361
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
172 && file->file->fd == cl->buf->file->fd |
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
173 && fprev == cl->buf->file_pos); |
96
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
174 } |
63
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
175 |
2128
345a014436d4
*) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
176 if (file && header.nelts == 0) { |
455 | 177 |
4499
778ef9c3fd2d
Fixed spelling in single-line comments.
Ruslan Ermilov <ru@nginx.com>
parents:
4412
diff
changeset
|
178 /* create the trailer iovec and coalesce the neighbouring bufs */ |
142
cb77c084acdb
nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
103
diff
changeset
|
179 |
264
cd009bf7400d
nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
180 prev = NULL; |
cd009bf7400d
nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
181 iov = NULL; |
cd009bf7400d
nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
182 |
4596
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4499
diff
changeset
|
183 while (cl && send < limit) { |
455 | 184 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
185 if (ngx_buf_special(cl->buf)) { |
455 | 186 cl = cl->next; |
264
cd009bf7400d
nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
187 continue; |
cd009bf7400d
nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
188 } |
142
cb77c084acdb
nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
103
diff
changeset
|
189 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
190 if (!ngx_buf_in_memory_only(cl->buf)) { |
264
cd009bf7400d
nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
191 break; |
cd009bf7400d
nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
192 } |
96
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
193 |
361
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
194 size = cl->buf->last - cl->buf->pos; |
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
195 |
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
196 if (send + size > limit) { |
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
197 size = limit - send; |
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
198 } |
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
199 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
200 if (prev == cl->buf->pos) { |
473 | 201 iov->iov_len += (size_t) size; |
63
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
202 |
264
cd009bf7400d
nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
203 } else { |
4596
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4499
diff
changeset
|
204 if (trailer.nelts >= IOV_MAX) { |
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4499
diff
changeset
|
205 break; |
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4499
diff
changeset
|
206 } |
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4499
diff
changeset
|
207 |
501 | 208 iov = ngx_array_push(&trailer); |
209 if (iov == NULL) { | |
428
5e73d0ea4dab
nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
402
diff
changeset
|
210 return NGX_CHAIN_ERROR; |
5e73d0ea4dab
nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
402
diff
changeset
|
211 } |
5e73d0ea4dab
nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
402
diff
changeset
|
212 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
213 iov->iov_base = (void *) cl->buf->pos; |
473 | 214 iov->iov_len = (size_t) size; |
264
cd009bf7400d
nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
215 } |
cd009bf7400d
nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
216 |
473 | 217 prev = cl->buf->pos + (size_t) size; |
361
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
218 send += size; |
455 | 219 cl = cl->next; |
96
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
220 } |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
221 } |
67
5a7d1aaa1618
nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
63
diff
changeset
|
222 |
96
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
223 if (file) { |
63
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
224 |
2128
345a014436d4
*) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
225 /* |
345a014436d4
*) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
226 * sendfile() returns EINVAL if sf_hdtr's count is 0, |
345a014436d4
*) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
227 * but corresponding pointer is not NULL |
345a014436d4
*) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
228 */ |
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
218
diff
changeset
|
229 |
2128
345a014436d4
*) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
230 hdtr.headers = header.nelts ? (struct iovec *) header.elts: NULL; |
96
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
231 hdtr.hdr_cnt = header.nelts; |
2128
345a014436d4
*) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
232 hdtr.trailers = trailer.nelts ? (struct iovec *) trailer.elts: NULL; |
96
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
233 hdtr.trl_cnt = trailer.nelts; |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
234 |
2128
345a014436d4
*) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
235 sent = header_size + file_size; |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
152
diff
changeset
|
236 |
2128
345a014436d4
*) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
237 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, |
345a014436d4
*) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
238 "sendfile: @%O %O h:%O", |
345a014436d4
*) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
239 file->file_pos, sent, header_size); |
203
c9da5900c79e
nginx-0.0.1-2003-12-02-08:47:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
201
diff
changeset
|
240 |
96
a23d010f356d
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241 rc = sendfile(file->file->fd, c->fd, file->file_pos, |
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242 &sent, &hdtr, 0); |
96
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243 |
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244 if (rc == -1) { |
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245 err = ngx_errno; |
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246 |
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247 switch (err) { |
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248 case NGX_EAGAIN: |
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249 break; |
216
f1d0e5f09c1e
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diff
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250 |
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251 case NGX_EINTR: |
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252 eintr = 1; |
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253 break; |
152
fb48bf4fea1c
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diff
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254 |
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255 default: |
170
c42be4185301
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diff
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256 wev->error = 1; |
537 | 257 (void) ngx_connection_error(c, err, "sendfile() failed"); |
96
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258 return NGX_CHAIN_ERROR; |
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259 } |
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260 |
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261 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, err, |
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262 "sendfile() sent only %O bytes", sent); |
96
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263 } |
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264 |
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265 if (rc == 0 && sent == 0) { |
455 | 266 |
267 /* | |
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268 * if rc and sent equal to zero, then someone |
483 | 269 * has truncated the file, so the offset became beyond |
270 * the end of the file | |
455 | 271 */ |
272 | |
273 ngx_log_error(NGX_LOG_ALERT, c->log, 0, | |
274 "sendfile() reported that \"%s\" was truncated", | |
275 file->file->name.data); | |
276 | |
277 return NGX_CHAIN_ERROR; | |
278 } | |
279 | |
214
e0c502f15852
nginx-0.0.1-2003-12-22-12:40:48 import
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parents:
203
diff
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280 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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281 "sendfile: %d, @%O %O:%O", |
473 | 282 rc, file->file_pos, sent, file_size + header_size); |
96
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283 |
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284 } else { |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
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parents:
163
diff
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285 rc = writev(c->fd, header.elts, header.nelts); |
96
a23d010f356d
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parents:
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diff
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286 |
297
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
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parents:
290
diff
changeset
|
287 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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288 "writev: %d of %uz", rc, send); |
297
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
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parents:
290
diff
changeset
|
289 |
143
5526213be452
nginx-0.0.1-2003-10-10-19:10:50 import
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parents:
142
diff
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|
290 if (rc == -1) { |
5526213be452
nginx-0.0.1-2003-10-10-19:10:50 import
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parents:
142
diff
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291 err = ngx_errno; |
96
a23d010f356d
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diff
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292 |
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293 switch (err) { |
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294 case NGX_EAGAIN: |
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295 break; |
216
f1d0e5f09c1e
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parents:
214
diff
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|
296 |
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297 case NGX_EINTR: |
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298 eintr = 1; |
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299 break; |
96
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parents:
94
diff
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300 |
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diff
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|
301 default: |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
163
diff
changeset
|
302 wev->error = 1; |
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
218
diff
changeset
|
303 ngx_connection_error(c, err, "writev() failed"); |
143
5526213be452
nginx-0.0.1-2003-10-10-19:10:50 import
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parents:
142
diff
changeset
|
304 return NGX_CHAIN_ERROR; |
96
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nginx-0.0.1-2003-05-27-16:18:54 import
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parents:
94
diff
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|
305 } |
3063
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|
306 |
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307 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, |
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parents:
2128
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|
308 "writev() not ready"); |
143
5526213be452
nginx-0.0.1-2003-10-10-19:10:50 import
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parents:
142
diff
changeset
|
309 } |
89
29bf798b583f
nginx-0.0.1-2003-05-15-19:42:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
88
diff
changeset
|
310 |
143
5526213be452
nginx-0.0.1-2003-10-10-19:10:50 import
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parents:
142
diff
changeset
|
311 sent = rc > 0 ? rc : 0; |
96
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parents:
94
diff
changeset
|
312 } |
63
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
313 |
473 | 314 if (send - prev_send == sent) { |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
361
diff
changeset
|
315 complete = 1; |
361
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
316 } |
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
317 |
96
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nginx-0.0.1-2003-05-27-16:18:54 import
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94
diff
changeset
|
318 c->sent += sent; |
63
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
319 |
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|
320 for ( /* void */ ; in; in = in->next) { |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
321 |
5320
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|
322 if (ngx_buf_special(in->buf)) { |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
323 continue; |
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
324 } |
63
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
325 |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
326 if (sent == 0) { |
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
327 break; |
63
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
328 } |
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
329 |
5320
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Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
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|
330 size = ngx_buf_size(in->buf); |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
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parents:
144
diff
changeset
|
331 |
96
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
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parents:
94
diff
changeset
|
332 if (sent >= size) { |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
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parents:
94
diff
changeset
|
333 sent -= size; |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
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parents:
94
diff
changeset
|
334 |
5320
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Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
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diff
changeset
|
335 if (ngx_buf_in_memory(in->buf)) { |
ad137a80919f
Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
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diff
changeset
|
336 in->buf->pos = in->buf->last; |
96
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
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parents:
94
diff
changeset
|
337 } |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
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parents:
94
diff
changeset
|
338 |
5320
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Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
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parents:
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diff
changeset
|
339 if (in->buf->in_file) { |
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Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
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diff
changeset
|
340 in->buf->file_pos = in->buf->file_last; |
96
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
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parents:
94
diff
changeset
|
341 } |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
342 |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
343 continue; |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
344 } |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
345 |
5320
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Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
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parents:
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diff
changeset
|
346 if (ngx_buf_in_memory(in->buf)) { |
ad137a80919f
Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
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diff
changeset
|
347 in->buf->pos += (size_t) sent; |
96
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
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parents:
94
diff
changeset
|
348 } |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
349 |
5320
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Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
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parents:
4596
diff
changeset
|
350 if (in->buf->in_file) { |
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parents:
4596
diff
changeset
|
351 in->buf->file_pos += sent; |
96
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
352 } |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
353 |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
354 break; |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
355 } |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
356 |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
361
diff
changeset
|
357 if (eintr) { |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
361
diff
changeset
|
358 continue; |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
359 } |
96
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
360 |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
361
diff
changeset
|
361 if (!complete) { |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
361
diff
changeset
|
362 wev->ready = 0; |
5320
ad137a80919f
Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
Gleb Smirnoff <glebius@nginx.com>
parents:
4596
diff
changeset
|
363 return in; |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
361
diff
changeset
|
364 } |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
365 |
5320
ad137a80919f
Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
Gleb Smirnoff <glebius@nginx.com>
parents:
4596
diff
changeset
|
366 if (send >= limit || in == NULL) { |
ad137a80919f
Don't lose pointer to first nonempty buf in ngx_*_sendfile_chain().
Gleb Smirnoff <glebius@nginx.com>
parents:
4596
diff
changeset
|
367 return in; |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
361
diff
changeset
|
368 } |
142
cb77c084acdb
nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
103
diff
changeset
|
369 } |
63
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
370 } |