Mercurial > hg > nginx
annotate src/os/unix/ngx_darwin_sendfile_chain.c @ 5851:150df089fe47
Removed the "complete" variable from various send chain functions.
It was made redundant by the previous change, since the "sent" variable
is no longer modified.
author | Valentin Bartenev <vbart@nginx.com> |
---|---|
date | Wed, 13 Aug 2014 15:11:45 +0400 |
parents | f9c83484d9ce |
children | b63e829621ab |
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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FreeBSD has migrated to Bugzilla.
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16 * http://bugs.freebsd.org/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 | |
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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; |
5851
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Removed the "complete" variable from various send chain functions.
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46 ngx_uint_t eintr; |
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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; | |
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94 eintr = 0; |
473 | 95 prev_send = send; |
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96 |
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97 header.nelts = 0; |
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98 trailer.nelts = 0; |
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99 |
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100 /* create the header iovec and coalesce the neighbouring bufs */ |
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101 |
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102 prev = NULL; |
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103 iov = NULL; |
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104 |
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105 for (cl = in; cl && send < limit; cl = cl->next) { |
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106 |
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107 if (ngx_buf_special(cl->buf)) { |
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108 continue; |
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109 } |
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110 |
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111 if (!ngx_buf_in_memory_only(cl->buf)) { |
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112 break; |
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113 } |
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114 |
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115 size = cl->buf->last - cl->buf->pos; |
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116 |
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117 if (send + size > limit) { |
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118 size = limit - send; |
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119 } |
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120 |
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121 if (prev == cl->buf->pos) { |
473 | 122 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
|
123 |
143
5526213be452
nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
142
diff
changeset
|
124 } else { |
4596
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4499
diff
changeset
|
125 if (header.nelts >= IOV_MAX) { |
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4499
diff
changeset
|
126 break; |
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4499
diff
changeset
|
127 } |
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4499
diff
changeset
|
128 |
501 | 129 iov = ngx_array_push(&header); |
130 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
|
131 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
|
132 } |
5e73d0ea4dab
nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
402
diff
changeset
|
133 |
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
|
134 iov->iov_base = (void *) cl->buf->pos; |
473 | 135 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
|
136 } |
63
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
137 |
473 | 138 prev = cl->buf->pos + (size_t) size; |
2128
345a014436d4
*) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
139 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
|
140 send += size; |
96
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
141 } |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
142 |
142
cb77c084acdb
nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
103
diff
changeset
|
143 |
362
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
361
diff
changeset
|
144 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
|
145 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
|
146 |
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
|
147 /* 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
|
148 |
361
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
149 do { |
473 | 150 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
|
151 |
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
152 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
|
153 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
|
154 |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
361
diff
changeset
|
155 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
|
156 & ~((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
|
157 |
7650aea1816f
nginx-0.0.7-2004-06-21-19:59:32 import
Igor Sysoev <igor@sysoev.ru>
parents:
361
diff
changeset
|
158 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
|
159 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
|
160 } |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
161 } |
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
162 |
2128
345a014436d4
*) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
163 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
|
164 send += size; |
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
165 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
|
166 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
|
167 |
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
168 } while (cl |
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
169 && 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
|
170 && send < limit |
361
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
171 && 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
|
172 && 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
|
173 } |
63
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
174 |
2128
345a014436d4
*) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
175 if (file && header.nelts == 0) { |
455 | 176 |
4499
778ef9c3fd2d
Fixed spelling in single-line comments.
Ruslan Ermilov <ru@nginx.com>
parents:
4412
diff
changeset
|
177 /* 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
|
178 |
264
cd009bf7400d
nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
179 prev = NULL; |
cd009bf7400d
nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
180 iov = NULL; |
cd009bf7400d
nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
181 |
4596
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4499
diff
changeset
|
182 while (cl && send < limit) { |
455 | 183 |
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
|
184 if (ngx_buf_special(cl->buf)) { |
455 | 185 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
|
186 continue; |
cd009bf7400d
nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
187 } |
142
cb77c084acdb
nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
103
diff
changeset
|
188 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
189 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
|
190 break; |
cd009bf7400d
nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
191 } |
96
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
192 |
361
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
193 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
|
194 |
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
195 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
|
196 size = limit - send; |
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
197 } |
446782c909b3
nginx-0.0.7-2004-06-20-23:54:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
198 |
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
|
199 if (prev == cl->buf->pos) { |
473 | 200 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
|
201 |
264
cd009bf7400d
nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
202 } else { |
4596
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4499
diff
changeset
|
203 if (trailer.nelts >= IOV_MAX) { |
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4499
diff
changeset
|
204 break; |
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4499
diff
changeset
|
205 } |
089cc5154c1e
IOV_MAX handling microoptimization.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4499
diff
changeset
|
206 |
501 | 207 iov = ngx_array_push(&trailer); |
208 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
|
209 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
|
210 } |
5e73d0ea4dab
nginx-0.0.11-2004-09-16-20:10:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
402
diff
changeset
|
211 |
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
|
212 iov->iov_base = (void *) cl->buf->pos; |
473 | 213 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
|
214 } |
cd009bf7400d
nginx-0.0.2-2004-02-19-19:48:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
215 |
473 | 216 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
|
217 send += size; |
455 | 218 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
|
219 } |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
220 } |
67
5a7d1aaa1618
nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
63
diff
changeset
|
221 |
96
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
222 if (file) { |
63
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
223 |
2128
345a014436d4
*) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
224 /* |
345a014436d4
*) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
225 * 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
|
226 * but corresponding pointer is not NULL |
345a014436d4
*) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
227 */ |
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
218
diff
changeset
|
228 |
2128
345a014436d4
*) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
229 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
|
230 hdtr.hdr_cnt = header.nelts; |
2128
345a014436d4
*) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
231 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
|
232 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
|
233 |
2128
345a014436d4
*) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
234 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
|
235 |
2128
345a014436d4
*) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
236 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
|
237 "sendfile: @%O %O h:%O", |
345a014436d4
*) move Darwin support to separate files
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
238 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
|
239 |
96
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
94
diff
changeset
|
240 rc = sendfile(file->file->fd, c->fd, file->file_pos, |
2128
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*) move Darwin support to separate files
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241 &sent, &hdtr, 0); |
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242 |
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243 if (rc == -1) { |
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244 err = ngx_errno; |
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245 |
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246 switch (err) { |
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247 case NGX_EAGAIN: |
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248 break; |
216
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249 |
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250 case NGX_EINTR: |
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251 eintr = 1; |
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252 break; |
152
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253 |
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254 default: |
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255 wev->error = 1; |
537 | 256 (void) ngx_connection_error(c, err, "sendfile() failed"); |
96
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257 return NGX_CHAIN_ERROR; |
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258 } |
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259 |
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260 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, err, |
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261 "sendfile() sent only %O bytes", sent); |
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262 } |
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263 |
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264 if (rc == 0 && sent == 0) { |
455 | 265 |
266 /* | |
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267 * if rc and sent equal to zero, then someone |
483 | 268 * has truncated the file, so the offset became beyond |
269 * the end of the file | |
455 | 270 */ |
271 | |
272 ngx_log_error(NGX_LOG_ALERT, c->log, 0, | |
273 "sendfile() reported that \"%s\" was truncated", | |
274 file->file->name.data); | |
275 | |
276 return NGX_CHAIN_ERROR; | |
277 } | |
278 | |
214
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279 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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280 "sendfile: %d, @%O %O:%O", |
473 | 281 rc, file->file_pos, sent, file_size + header_size); |
96
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282 |
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283 } else { |
170
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284 rc = writev(c->fd, header.elts, header.nelts); |
96
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285 |
297
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286 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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287 "writev: %d of %O", rc, header_size); |
297
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288 |
143
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289 if (rc == -1) { |
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290 err = ngx_errno; |
96
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291 |
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292 switch (err) { |
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293 case NGX_EAGAIN: |
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294 break; |
216
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295 |
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296 case NGX_EINTR: |
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297 eintr = 1; |
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298 break; |
96
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299 |
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300 default: |
170
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301 wev->error = 1; |
253
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302 ngx_connection_error(c, err, "writev() failed"); |
143
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303 return NGX_CHAIN_ERROR; |
96
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304 } |
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305 |
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306 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, |
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307 "writev() not ready"); |
143
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308 } |
89
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309 |
143
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310 sent = rc > 0 ? rc : 0; |
96
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311 } |
63
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312 |
96
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313 c->sent += sent; |
63
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314 |
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315 in = ngx_handle_sent_chain(in, sent); |
96
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316 |
362
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317 if (eintr) { |
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318 continue; |
152
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319 } |
96
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320 |
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321 if (send - prev_send != sent) { |
362
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322 wev->ready = 0; |
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323 return in; |
362
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324 } |
152
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325 |
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326 if (send >= limit || in == NULL) { |
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327 return in; |
362
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328 } |
142
cb77c084acdb
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329 } |
63
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330 } |