Mercurial > hg > nginx
annotate src/event/ngx_event_pipe.c @ 4233:aae172db7ac8
Event pipe: reduced number of file buffers used.
If possible we now just extend already present file buffer in p->out chain
instead of keeping ngx_buf_t for each buffer we've flushed to disk. This
saves about 120 bytes of memory per buffer flushed to disk, and resolves
high CPU usage observed in edge cases (due to coalescing these buffers on
send).
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 31 Oct 2011 09:54:55 +0000 |
parents | 487ab473f393 |
children | d620f497c50f |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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5 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 #include <ngx_event_pipe.h> |
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11 |
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12 |
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13 static ngx_int_t ngx_event_pipe_read_upstream(ngx_event_pipe_t *p); |
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14 static ngx_int_t ngx_event_pipe_write_to_downstream(ngx_event_pipe_t *p); |
153
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15 |
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16 static ngx_int_t ngx_event_pipe_write_chain_to_temp_file(ngx_event_pipe_t *p); |
467 | 17 static ngx_inline void ngx_event_pipe_remove_shadow_links(ngx_buf_t *buf); |
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18 static ngx_int_t ngx_event_pipe_drain_chains(ngx_event_pipe_t *p); |
148
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19 |
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20 |
577 | 21 ngx_int_t |
1599 | 22 ngx_event_pipe(ngx_event_pipe_t *p, ngx_int_t do_write) |
150
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23 { |
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24 u_int flags; |
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25 ngx_int_t rc; |
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26 ngx_event_t *rev, *wev; |
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27 |
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28 for ( ;; ) { |
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29 if (do_write) { |
483 | 30 p->log->action = "sending to client"; |
31 | |
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32 rc = ngx_event_pipe_write_to_downstream(p); |
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33 |
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34 if (rc == NGX_ABORT) { |
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35 return NGX_ABORT; |
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36 } |
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37 |
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38 if (rc == NGX_BUSY) { |
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39 return NGX_OK; |
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40 } |
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41 } |
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42 |
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43 p->read = 0; |
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44 p->upstream_blocked = 0; |
150
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45 |
483 | 46 p->log->action = "reading upstream"; |
47 | |
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48 if (ngx_event_pipe_read_upstream(p) == NGX_ABORT) { |
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49 return NGX_ABORT; |
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50 } |
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51 |
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52 if (!p->read && !p->upstream_blocked) { |
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53 break; |
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54 } |
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55 |
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56 do_write = 1; |
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57 } |
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58 |
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59 if (p->upstream->fd != -1) { |
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60 rev = p->upstream->read; |
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61 |
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62 flags = (rev->eof || rev->error) ? NGX_CLOSE_EVENT : 0; |
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63 |
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64 if (ngx_handle_read_event(rev, flags) != NGX_OK) { |
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65 return NGX_ABORT; |
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66 } |
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67 |
613 | 68 if (rev->active && !rev->ready) { |
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69 ngx_add_timer(rev, p->read_timeout); |
613 | 70 |
71 } else if (rev->timer_set) { | |
72 ngx_del_timer(rev); | |
170
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73 } |
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74 } |
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75 |
509 | 76 if (p->downstream->fd != -1 && p->downstream->data == p->output_ctx) { |
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77 wev = p->downstream->write; |
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78 if (ngx_handle_write_event(wev, p->send_lowat) != NGX_OK) { |
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79 return NGX_ABORT; |
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80 } |
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81 |
613 | 82 if (!wev->delayed) { |
83 if (wev->active && !wev->ready) { | |
84 ngx_add_timer(wev, p->send_timeout); | |
85 | |
86 } else if (wev->timer_set) { | |
87 ngx_del_timer(wev); | |
88 } | |
170
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89 } |
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90 } |
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91 |
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92 return NGX_OK; |
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93 } |
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94 |
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95 |
577 | 96 static ngx_int_t |
97 ngx_event_pipe_read_upstream(ngx_event_pipe_t *p) | |
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98 { |
461 | 99 ssize_t n, size; |
100 ngx_int_t rc; | |
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101 ngx_buf_t *b; |
507 | 102 ngx_chain_t *chain, *cl, *ln; |
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103 |
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104 if (p->upstream_eof || p->upstream_error || p->upstream_done) { |
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105 return NGX_OK; |
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106 } |
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107 |
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108 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, p->log, 0, |
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109 "pipe read upstream: %d", p->upstream->read->ready); |
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110 |
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111 for ( ;; ) { |
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112 |
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113 if (p->upstream_eof || p->upstream_error || p->upstream_done) { |
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114 break; |
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115 } |
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116 |
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117 if (p->preread_bufs == NULL && !p->upstream->read->ready) { |
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118 break; |
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119 } |
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120 |
343
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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:
304
diff
changeset
|
121 if (p->preread_bufs) { |
77
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
76
diff
changeset
|
122 |
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:
304
diff
changeset
|
123 /* use the pre-read bufs if they exist */ |
145
58557d0cccd1
nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
124 |
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:
304
diff
changeset
|
125 chain = p->preread_bufs; |
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:
304
diff
changeset
|
126 p->preread_bufs = NULL; |
77
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
76
diff
changeset
|
127 n = p->preread_size; |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
128 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
194
diff
changeset
|
129 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, p->log, 0, |
461 | 130 "pipe preread: %z", n); |
145
58557d0cccd1
nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
131 |
304
bcbe876f4262
nginx-0.0.3-2004-04-02-09:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
132 if (n) { |
bcbe876f4262
nginx-0.0.3-2004-04-02-09:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
133 p->read = 1; |
bcbe876f4262
nginx-0.0.3-2004-04-02-09:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
134 } |
bcbe876f4262
nginx-0.0.3-2004-04-02-09:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
135 |
77
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
76
diff
changeset
|
136 } else { |
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
76
diff
changeset
|
137 |
581 | 138 #if (NGX_HAVE_KQUEUE) |
139 | |
145
58557d0cccd1
nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
140 /* |
58557d0cccd1
nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
141 * kqueue notifies about the end of file or a pending error. |
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:
304
diff
changeset
|
142 * This test allows not to allocate a buf on these conditions |
577 | 143 * and not to call c->recv_chain(). |
145
58557d0cccd1
nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
144 */ |
79
eacfdd1c31b9
nginx-0.0.1-2003-04-22-19:02:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
78
diff
changeset
|
145 |
166
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
146 if (p->upstream->read->available == 0 |
587 | 147 && p->upstream->read->pending_eof) |
166
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
148 { |
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
149 p->upstream->read->ready = 0; |
4065
227a819b46db
Proper setting of read->eof in pipe code.
Maxim Dounin <mdounin@mdounin.ru>
parents:
3052
diff
changeset
|
150 p->upstream->read->eof = 1; |
166
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
151 p->upstream_eof = 1; |
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
152 p->read = 1; |
163
fb61ba77beba
nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
153 |
166
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
154 if (p->upstream->read->kq_errno) { |
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
155 p->upstream->read->error = 1; |
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
156 p->upstream_error = 1; |
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
157 p->upstream_eof = 0; |
163
fb61ba77beba
nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
158 |
fb61ba77beba
nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
159 ngx_log_error(NGX_LOG_ERR, p->log, |
fb61ba77beba
nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
160 p->upstream->read->kq_errno, |
581 | 161 "kevent() reported that upstream " |
162 "closed connection"); | |
147
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
163 } |
163
fb61ba77beba
nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
164 |
166
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
165 break; |
79
eacfdd1c31b9
nginx-0.0.1-2003-04-22-19:02:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
78
diff
changeset
|
166 } |
581 | 167 #endif |
77
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
76
diff
changeset
|
168 |
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:
304
diff
changeset
|
169 if (p->free_raw_bufs) { |
145
58557d0cccd1
nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
170 |
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:
304
diff
changeset
|
171 /* use the free bufs if they exist */ |
145
58557d0cccd1
nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
172 |
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:
304
diff
changeset
|
173 chain = p->free_raw_bufs; |
166
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
174 if (p->single_buf) { |
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:
304
diff
changeset
|
175 p->free_raw_bufs = p->free_raw_bufs->next; |
166
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
176 chain->next = NULL; |
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
177 } else { |
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:
304
diff
changeset
|
178 p->free_raw_bufs = NULL; |
166
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
179 } |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
180 |
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:
304
diff
changeset
|
181 } else if (p->allocated < p->bufs.num) { |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
182 |
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:
304
diff
changeset
|
183 /* allocate a new buf if it's still allowed */ |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
184 |
501 | 185 b = ngx_create_temp_buf(p->pool, p->bufs.size); |
186 if (b == NULL) { | |
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:
304
diff
changeset
|
187 return NGX_ABORT; |
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:
304
diff
changeset
|
188 } |
77
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
76
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:
304
diff
changeset
|
190 p->allocated++; |
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:
304
diff
changeset
|
191 |
501 | 192 chain = ngx_alloc_chain_link(p->pool); |
193 if (chain == NULL) { | |
483 | 194 return NGX_ABORT; |
195 } | |
196 | |
197 chain->buf = b; | |
198 chain->next = NULL; | |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
199 |
1565 | 200 } else if (!p->cacheable |
509 | 201 && p->downstream->data == p->output_ctx |
527 | 202 && p->downstream->write->ready |
203 && !p->downstream->write->delayed) | |
509 | 204 { |
145
58557d0cccd1
nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
205 /* |
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:
304
diff
changeset
|
206 * if the bufs are not needed to be saved in a cache and |
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:
304
diff
changeset
|
207 * a downstream is ready then write the bufs to a downstream |
145
58557d0cccd1
nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
208 */ |
77
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
76
diff
changeset
|
209 |
154
eac26585476e
nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
210 p->upstream_blocked = 1; |
eac26585476e
nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
211 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
194
diff
changeset
|
212 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, p->log, 0, |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
194
diff
changeset
|
213 "pipe downstream ready"); |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
214 |
78
9f81437e0ad3
nginx-0.0.1-2003-04-21-18:55:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
77
diff
changeset
|
215 break; |
77
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
76
diff
changeset
|
216 |
1565 | 217 } else if (p->cacheable |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
168
diff
changeset
|
218 || p->temp_file->offset < p->max_temp_file_size) |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
168
diff
changeset
|
219 { |
77
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
76
diff
changeset
|
220 |
145
58557d0cccd1
nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
221 /* |
483 | 222 * if it is allowed, then save some bufs from r->in |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
152
diff
changeset
|
223 * to a temporary file, and add them to a r->out chain |
145
58557d0cccd1
nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
224 */ |
58557d0cccd1
nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
225 |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
152
diff
changeset
|
226 rc = ngx_event_pipe_write_chain_to_temp_file(p); |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
227 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
194
diff
changeset
|
228 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, p->log, 0, |
461 | 229 "pipe temp offset: %O", p->temp_file->offset); |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
230 |
521 | 231 if (rc == NGX_BUSY) { |
232 break; | |
233 } | |
234 | |
147
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
235 if (rc == NGX_AGAIN) { |
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
236 if (ngx_event_flags & NGX_USE_LEVEL_EVENT |
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
237 && p->upstream->read->active |
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
238 && p->upstream->read->ready) |
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
239 { |
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
240 if (ngx_del_event(p->upstream->read, NGX_READ_EVENT, 0) |
577 | 241 == NGX_ERROR) |
147
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
242 { |
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
243 return NGX_ABORT; |
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
244 } |
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
245 } |
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
246 } |
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
247 |
77
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
76
diff
changeset
|
248 if (rc != NGX_OK) { |
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
76
diff
changeset
|
249 return rc; |
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
76
diff
changeset
|
250 } |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
251 |
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:
304
diff
changeset
|
252 chain = p->free_raw_bufs; |
166
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
253 if (p->single_buf) { |
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:
304
diff
changeset
|
254 p->free_raw_bufs = p->free_raw_bufs->next; |
166
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
255 chain->next = NULL; |
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
256 } else { |
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:
304
diff
changeset
|
257 p->free_raw_bufs = NULL; |
166
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
258 } |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
259 |
145
58557d0cccd1
nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
260 } else { |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
261 |
483 | 262 /* there are no bufs to read in */ |
78
9f81437e0ad3
nginx-0.0.1-2003-04-21-18:55:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
77
diff
changeset
|
263 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
194
diff
changeset
|
264 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, p->log, 0, |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
265 "no pipe bufs to read in"); |
577 | 266 |
77
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
76
diff
changeset
|
267 break; |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
268 } |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
269 |
577 | 270 n = p->upstream->recv_chain(p->upstream, chain); |
77
57c2e18d3572
nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
76
diff
changeset
|
271 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
194
diff
changeset
|
272 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, p->log, 0, |
461 | 273 "pipe recv chain: %z", n); |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
274 |
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:
304
diff
changeset
|
275 if (p->free_raw_bufs) { |
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:
304
diff
changeset
|
276 chain->next = p->free_raw_bufs; |
166
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
277 } |
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:
304
diff
changeset
|
278 p->free_raw_bufs = chain; |
151
2d9e4a8b6d11
nginx-0.0.1-2003-10-20-21:14:07 import
Igor Sysoev <igor@sysoev.ru>
parents:
150
diff
changeset
|
279 |
145
58557d0cccd1
nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
280 if (n == NGX_ERROR) { |
58557d0cccd1
nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
281 p->upstream_error = 1; |
58557d0cccd1
nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
282 return NGX_ERROR; |
58557d0cccd1
nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
283 } |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
284 |
145
58557d0cccd1
nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
285 if (n == NGX_AGAIN) { |
166
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
286 if (p->single_buf) { |
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:
304
diff
changeset
|
287 ngx_event_pipe_remove_shadow_links(chain->buf); |
166
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
288 } |
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
289 |
145
58557d0cccd1
nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
290 break; |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
291 } |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
292 |
150
ad5f382c9e7d
nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
149
diff
changeset
|
293 p->read = 1; |
ad5f382c9e7d
nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
149
diff
changeset
|
294 |
145
58557d0cccd1
nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
295 if (n == 0) { |
58557d0cccd1
nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
296 p->upstream_eof = 1; |
58557d0cccd1
nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
297 break; |
58557d0cccd1
nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
298 } |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
299 } |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
300 |
175
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
301 p->read_length += n; |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
302 cl = chain; |
858
4766f61a8221
fix endless loop when too many FastCGI sent too many to stderr
Igor Sysoev <igor@sysoev.ru>
parents:
840
diff
changeset
|
303 p->free_raw_bufs = NULL; |
151
2d9e4a8b6d11
nginx-0.0.1-2003-10-20-21:14:07 import
Igor Sysoev <igor@sysoev.ru>
parents:
150
diff
changeset
|
304 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
305 while (cl && n > 0) { |
147
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
306 |
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:
304
diff
changeset
|
307 ngx_event_pipe_remove_shadow_links(cl->buf); |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
308 |
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:
304
diff
changeset
|
309 size = cl->buf->end - cl->buf->last; |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
310 |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
311 if (n >= size) { |
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:
304
diff
changeset
|
312 cl->buf->last = cl->buf->end; |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
313 |
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:
304
diff
changeset
|
314 /* STUB */ cl->buf->num = p->num++; |
154
eac26585476e
nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
315 |
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:
304
diff
changeset
|
316 if (p->input_filter(p, cl->buf) == NGX_ERROR) { |
148
5afee0074707
nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
147
diff
changeset
|
317 return NGX_ABORT; |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
318 } |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
319 |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
320 n -= size; |
507 | 321 ln = cl; |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
322 cl = cl->next; |
507 | 323 ngx_free_chain(p->pool, ln); |
148
5afee0074707
nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
147
diff
changeset
|
324 |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
325 } else { |
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:
304
diff
changeset
|
326 cl->buf->last += n; |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
327 n = 0; |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
328 } |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
329 } |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
330 |
858
4766f61a8221
fix endless loop when too many FastCGI sent too many to stderr
Igor Sysoev <igor@sysoev.ru>
parents:
840
diff
changeset
|
331 if (cl) { |
859 | 332 for (ln = cl; ln->next; ln = ln->next) { /* void */ } |
858
4766f61a8221
fix endless loop when too many FastCGI sent too many to stderr
Igor Sysoev <igor@sysoev.ru>
parents:
840
diff
changeset
|
333 |
859 | 334 ln->next = p->free_raw_bufs; |
858
4766f61a8221
fix endless loop when too many FastCGI sent too many to stderr
Igor Sysoev <igor@sysoev.ru>
parents:
840
diff
changeset
|
335 p->free_raw_bufs = cl; |
4766f61a8221
fix endless loop when too many FastCGI sent too many to stderr
Igor Sysoev <igor@sysoev.ru>
parents:
840
diff
changeset
|
336 } |
148
5afee0074707
nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
147
diff
changeset
|
337 } |
76
6127d7075471
nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
338 |
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:
304
diff
changeset
|
339 #if (NGX_DEBUG) |
304
bcbe876f4262
nginx-0.0.3-2004-04-02-09:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
340 |
452 | 341 for (cl = p->busy; cl; cl = cl->next) { |
483 | 342 ngx_log_debug8(NGX_LOG_DEBUG_EVENT, p->log, 0, |
343 "pipe buf busy s:%d t:%d f:%d " | |
344 "%p, pos %p, size: %z " | |
345 "file: %O, size: %z", | |
346 (cl->buf->shadow ? 1 : 0), | |
347 cl->buf->temporary, cl->buf->in_file, | |
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:
304
diff
changeset
|
348 cl->buf->start, cl->buf->pos, |
483 | 349 cl->buf->last - cl->buf->pos, |
350 cl->buf->file_pos, | |
351 cl->buf->file_last - cl->buf->file_pos); | |
304
bcbe876f4262
nginx-0.0.3-2004-04-02-09:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
352 } |
bcbe876f4262
nginx-0.0.3-2004-04-02-09:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
353 |
452 | 354 for (cl = p->out; cl; cl = cl->next) { |
483 | 355 ngx_log_debug8(NGX_LOG_DEBUG_EVENT, p->log, 0, |
356 "pipe buf out s:%d t:%d f:%d " | |
357 "%p, pos %p, size: %z " | |
358 "file: %O, size: %z", | |
359 (cl->buf->shadow ? 1 : 0), | |
360 cl->buf->temporary, cl->buf->in_file, | |
361 cl->buf->start, cl->buf->pos, | |
362 cl->buf->last - cl->buf->pos, | |
363 cl->buf->file_pos, | |
364 cl->buf->file_last - cl->buf->file_pos); | |
452 | 365 } |
366 | |
367 for (cl = p->in; cl; cl = cl->next) { | |
483 | 368 ngx_log_debug8(NGX_LOG_DEBUG_EVENT, p->log, 0, |
369 "pipe buf in s:%d t:%d f:%d " | |
370 "%p, pos %p, size: %z " | |
371 "file: %O, size: %z", | |
372 (cl->buf->shadow ? 1 : 0), | |
373 cl->buf->temporary, cl->buf->in_file, | |
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:
304
diff
changeset
|
374 cl->buf->start, cl->buf->pos, |
483 | 375 cl->buf->last - cl->buf->pos, |
376 cl->buf->file_pos, | |
377 cl->buf->file_last - cl->buf->file_pos); | |
304
bcbe876f4262
nginx-0.0.3-2004-04-02-09:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
378 } |
bcbe876f4262
nginx-0.0.3-2004-04-02-09:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
379 |
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:
304
diff
changeset
|
380 for (cl = p->free_raw_bufs; cl; cl = cl->next) { |
483 | 381 ngx_log_debug8(NGX_LOG_DEBUG_EVENT, p->log, 0, |
382 "pipe buf free s:%d t:%d f:%d " | |
383 "%p, pos %p, size: %z " | |
384 "file: %O, size: %z", | |
385 (cl->buf->shadow ? 1 : 0), | |
386 cl->buf->temporary, cl->buf->in_file, | |
387 cl->buf->start, cl->buf->pos, | |
388 cl->buf->last - cl->buf->pos, | |
389 cl->buf->file_pos, | |
390 cl->buf->file_last - cl->buf->file_pos); | |
304
bcbe876f4262
nginx-0.0.3-2004-04-02-09:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
391 } |
bcbe876f4262
nginx-0.0.3-2004-04-02-09:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
392 |
4119
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
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parents:
4114
diff
changeset
|
393 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, p->log, 0, |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
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parents:
4114
diff
changeset
|
394 "pipe length: %O", p->length); |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
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parents:
4114
diff
changeset
|
395 |
304
bcbe876f4262
nginx-0.0.3-2004-04-02-09:14:40 import
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parents:
294
diff
changeset
|
396 #endif |
bcbe876f4262
nginx-0.0.3-2004-04-02-09:14:40 import
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parents:
294
diff
changeset
|
397 |
4119
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4114
diff
changeset
|
398 if (p->free_raw_bufs && p->length != -1) { |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4114
diff
changeset
|
399 cl = p->free_raw_bufs; |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
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parents:
4114
diff
changeset
|
400 |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4114
diff
changeset
|
401 if (cl->buf->last - cl->buf->pos >= p->length) { |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4114
diff
changeset
|
402 |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
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parents:
4114
diff
changeset
|
403 /* STUB */ cl->buf->num = p->num++; |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4114
diff
changeset
|
404 |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4114
diff
changeset
|
405 if (p->input_filter(p, cl->buf) == NGX_ERROR) { |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
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parents:
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diff
changeset
|
406 return NGX_ABORT; |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4114
diff
changeset
|
407 } |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4114
diff
changeset
|
408 |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4114
diff
changeset
|
409 p->free_raw_bufs = cl->next; |
4137
6b9b7e7ac4a9
Fixed loss of chain links in ngx_event_pipe_read_upstream().
Maxim Dounin <mdounin@mdounin.ru>
parents:
4135
diff
changeset
|
410 ngx_free_chain(p->pool, cl); |
4119
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4114
diff
changeset
|
411 } |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4114
diff
changeset
|
412 } |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4114
diff
changeset
|
413 |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4114
diff
changeset
|
414 if (p->length == 0) { |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4114
diff
changeset
|
415 p->upstream_done = 1; |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4114
diff
changeset
|
416 p->read = 1; |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4114
diff
changeset
|
417 } |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4114
diff
changeset
|
418 |
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:
304
diff
changeset
|
419 if ((p->upstream_eof || p->upstream_error) && p->free_raw_bufs) { |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
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parents:
257
diff
changeset
|
420 |
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:
304
diff
changeset
|
421 /* STUB */ p->free_raw_bufs->buf->num = p->num++; |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
422 |
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:
304
diff
changeset
|
423 if (p->input_filter(p, p->free_raw_bufs->buf) == NGX_ERROR) { |
147
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
424 return NGX_ABORT; |
76
6127d7075471
nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
425 } |
6127d7075471
nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
426 |
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:
304
diff
changeset
|
427 p->free_raw_bufs = p->free_raw_bufs->next; |
166
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
428 |
2797
90422d071d3f
do not free buffer with cache header before it would be written,
Igor Sysoev <igor@sysoev.ru>
parents:
2592
diff
changeset
|
429 if (p->free_bufs && p->buf_to_file == NULL) { |
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:
304
diff
changeset
|
430 for (cl = p->free_raw_bufs; cl; cl = cl->next) { |
452 | 431 if (cl->buf->shadow == NULL) { |
577 | 432 ngx_pfree(p->pool, cl->buf->start); |
452 | 433 } |
168
ba5dbb949603
nginx-0.0.1-2003-10-31-10:10:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
434 } |
166
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
435 } |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
436 } |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
437 |
1565 | 438 if (p->cacheable && p->in) { |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
152
diff
changeset
|
439 if (ngx_event_pipe_write_chain_to_temp_file(p) == NGX_ABORT) { |
143
5526213be452
nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
140
diff
changeset
|
440 return NGX_ABORT; |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
441 } |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
442 } |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
443 |
148
5afee0074707
nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
147
diff
changeset
|
444 return NGX_OK; |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
445 } |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
446 |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
447 |
577 | 448 static ngx_int_t |
449 ngx_event_pipe_write_to_downstream(ngx_event_pipe_t *p) | |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
450 { |
1099
04a8b485447d
fix segfault when a large FastCGI response was written to a temporary file
Igor Sysoev <igor@sysoev.ru>
parents:
1045
diff
changeset
|
451 u_char *prev; |
583 | 452 size_t bsize; |
1625 | 453 ngx_int_t rc; |
3052
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3050
diff
changeset
|
454 ngx_uint_t flush, flushed, prev_last_shadow; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2388
diff
changeset
|
455 ngx_chain_t *out, **ll, *cl, file; |
583 | 456 ngx_connection_t *downstream; |
457 | |
458 downstream = p->downstream; | |
146
5ac79e574285
nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
145
diff
changeset
|
459 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
194
diff
changeset
|
460 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, p->log, 0, |
583 | 461 "pipe write downstream: %d", downstream->write->ready); |
150
ad5f382c9e7d
nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
149
diff
changeset
|
462 |
3052
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3050
diff
changeset
|
463 flushed = 0; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3050
diff
changeset
|
464 |
150
ad5f382c9e7d
nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
149
diff
changeset
|
465 for ( ;; ) { |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
151
diff
changeset
|
466 if (p->downstream_error) { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
467 return ngx_event_pipe_drain_chains(p); |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
151
diff
changeset
|
468 } |
150
ad5f382c9e7d
nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
149
diff
changeset
|
469 |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
470 if (p->upstream_eof || p->upstream_error || p->upstream_done) { |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
471 |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
472 /* pass the p->out and p->in chains to the output filter */ |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
473 |
509 | 474 for (cl = p->busy; cl; cl = cl->next) { |
475 cl->buf->recycled = 0; | |
476 } | |
477 | |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
478 if (p->out) { |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
479 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, p->log, 0, |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
480 "pipe write downstream flush out"); |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
481 |
509 | 482 for (cl = p->out; cl; cl = cl->next) { |
483 cl->buf->recycled = 0; | |
484 } | |
485 | |
1625 | 486 rc = p->output_filter(p->output_ctx, p->out); |
487 | |
488 if (rc == NGX_ERROR) { | |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
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parents:
257
diff
changeset
|
489 p->downstream_error = 1; |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
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parents:
257
diff
changeset
|
490 return ngx_event_pipe_drain_chains(p); |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
491 } |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
492 |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
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parents:
257
diff
changeset
|
493 p->out = NULL; |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
494 } |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
495 |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
496 if (p->in) { |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
497 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, p->log, 0, |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
498 "pipe write downstream flush in"); |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
499 |
509 | 500 for (cl = p->in; cl; cl = cl->next) { |
501 cl->buf->recycled = 0; | |
502 } | |
503 | |
1625 | 504 rc = p->output_filter(p->output_ctx, p->in); |
583 | 505 |
1625 | 506 if (rc == NGX_ERROR) { |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
507 p->downstream_error = 1; |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
508 return ngx_event_pipe_drain_chains(p); |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
509 } |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
510 |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
511 p->in = NULL; |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
512 } |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
513 |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2388
diff
changeset
|
514 if (p->cacheable && p->buf_to_file) { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2388
diff
changeset
|
515 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2388
diff
changeset
|
516 file.buf = p->buf_to_file; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2388
diff
changeset
|
517 file.next = NULL; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2388
diff
changeset
|
518 |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2388
diff
changeset
|
519 if (ngx_write_chain_to_temp_file(p->temp_file, &file) |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2388
diff
changeset
|
520 == NGX_ERROR) |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2388
diff
changeset
|
521 { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2388
diff
changeset
|
522 return NGX_ABORT; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2388
diff
changeset
|
523 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2388
diff
changeset
|
524 } |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2388
diff
changeset
|
525 |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
526 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, p->log, 0, |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
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parents:
257
diff
changeset
|
527 "pipe write downstream done"); |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
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parents:
257
diff
changeset
|
528 |
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:
304
diff
changeset
|
529 /* TODO: free unused bufs */ |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
530 |
150
ad5f382c9e7d
nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
149
diff
changeset
|
531 p->downstream_done = 1; |
ad5f382c9e7d
nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
149
diff
changeset
|
532 break; |
ad5f382c9e7d
nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
149
diff
changeset
|
533 } |
ad5f382c9e7d
nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
149
diff
changeset
|
534 |
583 | 535 if (downstream->data != p->output_ctx |
536 || !downstream->write->ready | |
537 || downstream->write->delayed) | |
509 | 538 { |
150
ad5f382c9e7d
nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
149
diff
changeset
|
539 break; |
ad5f382c9e7d
nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
149
diff
changeset
|
540 } |
146
5ac79e574285
nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
145
diff
changeset
|
541 |
479 | 542 /* bsize is the size of the busy recycled bufs */ |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
543 |
1099
04a8b485447d
fix segfault when a large FastCGI response was written to a temporary file
Igor Sysoev <igor@sysoev.ru>
parents:
1045
diff
changeset
|
544 prev = NULL; |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
545 bsize = 0; |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
151
diff
changeset
|
546 |
304
bcbe876f4262
nginx-0.0.3-2004-04-02-09:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
547 for (cl = p->busy; cl; cl = cl->next) { |
1099
04a8b485447d
fix segfault when a large FastCGI response was written to a temporary file
Igor Sysoev <igor@sysoev.ru>
parents:
1045
diff
changeset
|
548 |
479 | 549 if (cl->buf->recycled) { |
1102 | 550 if (prev == cl->buf->start) { |
551 continue; | |
552 } | |
553 | |
479 | 554 bsize += cl->buf->end - cl->buf->start; |
1099
04a8b485447d
fix segfault when a large FastCGI response was written to a temporary file
Igor Sysoev <igor@sysoev.ru>
parents:
1045
diff
changeset
|
555 prev = cl->buf->start; |
479 | 556 } |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
151
diff
changeset
|
557 } |
304
bcbe876f4262
nginx-0.0.3-2004-04-02-09:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
558 |
bcbe876f4262
nginx-0.0.3-2004-04-02-09:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
559 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, p->log, 0, |
479 | 560 "pipe write busy: %uz", bsize); |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
151
diff
changeset
|
561 |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
152
diff
changeset
|
562 out = NULL; |
1099
04a8b485447d
fix segfault when a large FastCGI response was written to a temporary file
Igor Sysoev <igor@sysoev.ru>
parents:
1045
diff
changeset
|
563 |
04a8b485447d
fix segfault when a large FastCGI response was written to a temporary file
Igor Sysoev <igor@sysoev.ru>
parents:
1045
diff
changeset
|
564 if (bsize >= (size_t) p->busy_size) { |
04a8b485447d
fix segfault when a large FastCGI response was written to a temporary file
Igor Sysoev <igor@sysoev.ru>
parents:
1045
diff
changeset
|
565 flush = 1; |
04a8b485447d
fix segfault when a large FastCGI response was written to a temporary file
Igor Sysoev <igor@sysoev.ru>
parents:
1045
diff
changeset
|
566 goto flush; |
04a8b485447d
fix segfault when a large FastCGI response was written to a temporary file
Igor Sysoev <igor@sysoev.ru>
parents:
1045
diff
changeset
|
567 } |
04a8b485447d
fix segfault when a large FastCGI response was written to a temporary file
Igor Sysoev <igor@sysoev.ru>
parents:
1045
diff
changeset
|
568 |
04a8b485447d
fix segfault when a large FastCGI response was written to a temporary file
Igor Sysoev <igor@sysoev.ru>
parents:
1045
diff
changeset
|
569 flush = 0; |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
570 ll = NULL; |
1039
73f18b6ad6ba
fix FastCGI "zero size buf" alert,
Igor Sysoev <igor@sysoev.ru>
parents:
1030
diff
changeset
|
571 prev_last_shadow = 1; |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
151
diff
changeset
|
572 |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
152
diff
changeset
|
573 for ( ;; ) { |
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
152
diff
changeset
|
574 if (p->out) { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
575 cl = p->out; |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
152
diff
changeset
|
576 |
4232
487ab473f393
Event pipe: fixes for complex protocols.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4137
diff
changeset
|
577 if (cl->buf->recycled) { |
487ab473f393
Event pipe: fixes for complex protocols.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4137
diff
changeset
|
578 ngx_log_error(NGX_LOG_ALERT, p->log, 0, |
487ab473f393
Event pipe: fixes for complex protocols.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4137
diff
changeset
|
579 "recycled buffer in pipe out chain"); |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
152
diff
changeset
|
580 } |
147
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
581 |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
152
diff
changeset
|
582 p->out = p->out->next; |
479 | 583 |
1565 | 584 } else if (!p->cacheable && p->in) { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
585 cl = p->in; |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
152
diff
changeset
|
586 |
1030
5a86fcc480c6
add debug logging for FastCGI zero size buf alert
Igor Sysoev <igor@sysoev.ru>
parents:
859
diff
changeset
|
587 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, p->log, 0, |
5a86fcc480c6
add debug logging for FastCGI zero size buf alert
Igor Sysoev <igor@sysoev.ru>
parents:
859
diff
changeset
|
588 "pipe write buf ls:%d %p %z", |
5a86fcc480c6
add debug logging for FastCGI zero size buf alert
Igor Sysoev <igor@sysoev.ru>
parents:
859
diff
changeset
|
589 cl->buf->last_shadow, |
5a86fcc480c6
add debug logging for FastCGI zero size buf alert
Igor Sysoev <igor@sysoev.ru>
parents:
859
diff
changeset
|
590 cl->buf->pos, |
5a86fcc480c6
add debug logging for FastCGI zero size buf alert
Igor Sysoev <igor@sysoev.ru>
parents:
859
diff
changeset
|
591 cl->buf->last - cl->buf->pos); |
5a86fcc480c6
add debug logging for FastCGI zero size buf alert
Igor Sysoev <igor@sysoev.ru>
parents:
859
diff
changeset
|
592 |
4232
487ab473f393
Event pipe: fixes for complex protocols.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4137
diff
changeset
|
593 if (cl->buf->recycled && prev_last_shadow) { |
487ab473f393
Event pipe: fixes for complex protocols.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4137
diff
changeset
|
594 if (bsize + cl->buf->end - cl->buf->start > p->busy_size) { |
487ab473f393
Event pipe: fixes for complex protocols.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4137
diff
changeset
|
595 flush = 1; |
487ab473f393
Event pipe: fixes for complex protocols.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4137
diff
changeset
|
596 break; |
1039
73f18b6ad6ba
fix FastCGI "zero size buf" alert,
Igor Sysoev <igor@sysoev.ru>
parents:
1030
diff
changeset
|
597 } |
73f18b6ad6ba
fix FastCGI "zero size buf" alert,
Igor Sysoev <igor@sysoev.ru>
parents:
1030
diff
changeset
|
598 |
4232
487ab473f393
Event pipe: fixes for complex protocols.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4137
diff
changeset
|
599 bsize += cl->buf->end - cl->buf->start; |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
152
diff
changeset
|
600 } |
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
152
diff
changeset
|
601 |
1039
73f18b6ad6ba
fix FastCGI "zero size buf" alert,
Igor Sysoev <igor@sysoev.ru>
parents:
1030
diff
changeset
|
602 prev_last_shadow = cl->buf->last_shadow; |
73f18b6ad6ba
fix FastCGI "zero size buf" alert,
Igor Sysoev <igor@sysoev.ru>
parents:
1030
diff
changeset
|
603 |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
152
diff
changeset
|
604 p->in = p->in->next; |
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
152
diff
changeset
|
605 |
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
152
diff
changeset
|
606 } else { |
147
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
607 break; |
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
608 } |
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
609 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
610 cl->next = NULL; |
501 | 611 |
612 if (out) { | |
613 *ll = cl; | |
614 } else { | |
615 out = cl; | |
616 } | |
617 ll = &cl->next; | |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
152
diff
changeset
|
618 } |
147
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
619 |
1099
04a8b485447d
fix segfault when a large FastCGI response was written to a temporary file
Igor Sysoev <igor@sysoev.ru>
parents:
1045
diff
changeset
|
620 flush: |
04a8b485447d
fix segfault when a large FastCGI response was written to a temporary file
Igor Sysoev <igor@sysoev.ru>
parents:
1045
diff
changeset
|
621 |
304
bcbe876f4262
nginx-0.0.3-2004-04-02-09:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
622 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, p->log, 0, |
461 | 623 "pipe write: out:%p, f:%d", out, flush); |
154
eac26585476e
nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
624 |
3052
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3050
diff
changeset
|
625 if (out == NULL) { |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3050
diff
changeset
|
626 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3050
diff
changeset
|
627 if (!flush) { |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3050
diff
changeset
|
628 break; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3050
diff
changeset
|
629 } |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3050
diff
changeset
|
630 |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3050
diff
changeset
|
631 /* a workaround for AIO */ |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3050
diff
changeset
|
632 if (flushed++ > 10) { |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3050
diff
changeset
|
633 return NGX_BUSY; |
6060225e9261
FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents:
3050
diff
changeset
|
634 } |
146
5ac79e574285
nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
145
diff
changeset
|
635 } |
5ac79e574285
nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
145
diff
changeset
|
636 |
1625 | 637 rc = p->output_filter(p->output_ctx, out); |
638 | |
4135
d8e24515176e
Fix of cpu hog in event pipe.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4119
diff
changeset
|
639 ngx_chain_update_chains(p->pool, &p->free, &p->busy, &out, p->tag); |
d8e24515176e
Fix of cpu hog in event pipe.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4119
diff
changeset
|
640 |
1625 | 641 if (rc == NGX_ERROR) { |
151
2d9e4a8b6d11
nginx-0.0.1-2003-10-20-21:14:07 import
Igor Sysoev <igor@sysoev.ru>
parents:
150
diff
changeset
|
642 p->downstream_error = 1; |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
643 return ngx_event_pipe_drain_chains(p); |
150
ad5f382c9e7d
nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
149
diff
changeset
|
644 } |
ad5f382c9e7d
nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
149
diff
changeset
|
645 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
646 for (cl = p->free; cl; cl = cl->next) { |
154
eac26585476e
nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
647 |
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:
304
diff
changeset
|
648 if (cl->buf->temp_file) { |
1565 | 649 if (p->cacheable || !p->cyclic_temp_file) { |
175
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
650 continue; |
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
651 } |
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
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|
652 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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parents:
304
diff
changeset
|
653 /* reset p->temp_offset if all bufs had been sent */ |
175
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
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parents:
172
diff
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|
654 |
343
6bdf858bff8c
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parents:
304
diff
changeset
|
655 if (cl->buf->file_last == p->temp_file->offset) { |
175
e92c2c647c57
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172
diff
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|
656 p->temp_file->offset = 0; |
e92c2c647c57
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172
diff
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|
657 } |
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
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parents:
172
diff
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|
658 } |
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
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|
659 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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|
660 /* TODO: free buf if p->free_bufs && upstream done */ |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
661 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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diff
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|
662 /* add the free shadow raw buf to p->free_raw_bufs */ |
154
eac26585476e
nginx-0.0.1-2003-10-22-11:05:29 import
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153
diff
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|
663 |
343
6bdf858bff8c
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|
664 if (cl->buf->last_shadow) { |
483 | 665 if (ngx_event_pipe_add_free_buf(p, cl->buf->shadow) != NGX_OK) { |
666 return NGX_ABORT; | |
667 } | |
147
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
668 |
343
6bdf858bff8c
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|
669 cl->buf->last_shadow = 0; |
146
5ac79e574285
nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
145
diff
changeset
|
670 } |
154
eac26585476e
nginx-0.0.1-2003-10-22-11:05:29 import
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parents:
153
diff
changeset
|
671 |
343
6bdf858bff8c
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parents:
304
diff
changeset
|
672 cl->buf->shadow = NULL; |
146
5ac79e574285
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parents:
145
diff
changeset
|
673 } |
5ac79e574285
nginx-0.0.1-2003-10-14-09:26:00 import
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parents:
145
diff
changeset
|
674 } |
5ac79e574285
nginx-0.0.1-2003-10-14-09:26:00 import
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parents:
145
diff
changeset
|
675 |
5ac79e574285
nginx-0.0.1-2003-10-14-09:26:00 import
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parents:
145
diff
changeset
|
676 return NGX_OK; |
5ac79e574285
nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
145
diff
changeset
|
677 } |
5ac79e574285
nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
145
diff
changeset
|
678 |
5ac79e574285
nginx-0.0.1-2003-10-14-09:26:00 import
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parents:
145
diff
changeset
|
679 |
577 | 680 static ngx_int_t |
681 ngx_event_pipe_write_chain_to_temp_file(ngx_event_pipe_t *p) | |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
682 { |
4233
aae172db7ac8
Event pipe: reduced number of file buffers used.
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diff
changeset
|
683 ssize_t size, bsize, n; |
343
6bdf858bff8c
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diff
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|
684 ngx_buf_t *b; |
4232
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Event pipe: fixes for complex protocols.
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parents:
4137
diff
changeset
|
685 ngx_uint_t prev_last_shadow; |
4233
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Event pipe: reduced number of file buffers used.
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parents:
4232
diff
changeset
|
686 ngx_chain_t *cl, *tl, *next, *out, **ll, **last_out, **last_free, fl; |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
687 |
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:
304
diff
changeset
|
688 if (p->buf_to_file) { |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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parents:
304
diff
changeset
|
689 fl.buf = p->buf_to_file; |
187
5a9bbe99008b
nginx-0.0.1-2003-11-17-19:15:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
186
diff
changeset
|
690 fl.next = p->in; |
5a9bbe99008b
nginx-0.0.1-2003-11-17-19:15:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
186
diff
changeset
|
691 out = &fl; |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
692 |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
168
diff
changeset
|
693 } else { |
187
5a9bbe99008b
nginx-0.0.1-2003-11-17-19:15:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
186
diff
changeset
|
694 out = p->in; |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
695 } |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
696 |
1565 | 697 if (!p->cacheable) { |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
698 |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
699 size = 0; |
187
5a9bbe99008b
nginx-0.0.1-2003-11-17-19:15:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
186
diff
changeset
|
700 cl = out; |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
701 ll = NULL; |
4232
487ab473f393
Event pipe: fixes for complex protocols.
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parents:
4137
diff
changeset
|
702 prev_last_shadow = 1; |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
151
diff
changeset
|
703 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
194
diff
changeset
|
704 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, p->log, 0, |
461 | 705 "pipe offset: %O", p->temp_file->offset); |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
706 |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
707 do { |
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:
304
diff
changeset
|
708 bsize = cl->buf->last - cl->buf->pos; |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
151
diff
changeset
|
709 |
4232
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Event pipe: fixes for complex protocols.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4137
diff
changeset
|
710 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, p->log, 0, |
487ab473f393
Event pipe: fixes for complex protocols.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4137
diff
changeset
|
711 "pipe buf ls:%d %p, pos %p, size: %z", |
487ab473f393
Event pipe: fixes for complex protocols.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4137
diff
changeset
|
712 cl->buf->last_shadow, cl->buf->start, |
487ab473f393
Event pipe: fixes for complex protocols.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4137
diff
changeset
|
713 cl->buf->pos, bsize); |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
151
diff
changeset
|
714 |
4232
487ab473f393
Event pipe: fixes for complex protocols.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4137
diff
changeset
|
715 if (prev_last_shadow |
487ab473f393
Event pipe: fixes for complex protocols.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4137
diff
changeset
|
716 && ((size + bsize > p->temp_file_write_size) |
487ab473f393
Event pipe: fixes for complex protocols.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4137
diff
changeset
|
717 || (p->temp_file->offset + size + bsize |
487ab473f393
Event pipe: fixes for complex protocols.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4137
diff
changeset
|
718 > p->max_temp_file_size))) |
151
2d9e4a8b6d11
nginx-0.0.1-2003-10-20-21:14:07 import
Igor Sysoev <igor@sysoev.ru>
parents:
150
diff
changeset
|
719 { |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
720 break; |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
721 } |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
151
diff
changeset
|
722 |
4232
487ab473f393
Event pipe: fixes for complex protocols.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4137
diff
changeset
|
723 prev_last_shadow = cl->buf->last_shadow; |
487ab473f393
Event pipe: fixes for complex protocols.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4137
diff
changeset
|
724 |
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:
304
diff
changeset
|
725 size += bsize; |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
726 ll = &cl->next; |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
727 cl = cl->next; |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
728 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
729 } while (cl); |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
730 |
461 | 731 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, p->log, 0, "size: %z", size); |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
151
diff
changeset
|
732 |
521 | 733 if (ll == NULL) { |
734 return NGX_BUSY; | |
735 } | |
736 | |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
737 if (cl) { |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
738 p->in = cl; |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
739 *ll = NULL; |
151
2d9e4a8b6d11
nginx-0.0.1-2003-10-20-21:14:07 import
Igor Sysoev <igor@sysoev.ru>
parents:
150
diff
changeset
|
740 |
2d9e4a8b6d11
nginx-0.0.1-2003-10-20-21:14:07 import
Igor Sysoev <igor@sysoev.ru>
parents:
150
diff
changeset
|
741 } else { |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
152
diff
changeset
|
742 p->in = NULL; |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
151
diff
changeset
|
743 p->last_in = &p->in; |
151
2d9e4a8b6d11
nginx-0.0.1-2003-10-20-21:14:07 import
Igor Sysoev <igor@sysoev.ru>
parents:
150
diff
changeset
|
744 } |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
745 |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
746 } else { |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
152
diff
changeset
|
747 p->in = NULL; |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
151
diff
changeset
|
748 p->last_in = &p->in; |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
749 } |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
750 |
4233
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
751 n = ngx_write_chain_to_temp_file(p->temp_file, out); |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
752 |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
753 if (n == NGX_ERROR) { |
143
5526213be452
nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
140
diff
changeset
|
754 return NGX_ABORT; |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
755 } |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
756 |
4233
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
757 if (p->buf_to_file) { |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
758 p->temp_file->offset = p->buf_to_file->last - p->buf_to_file->pos; |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
759 n -= p->buf_to_file->last - p->buf_to_file->pos; |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
760 p->buf_to_file = NULL; |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
761 out = out->next; |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
762 } |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
763 |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
764 if (n > 0) { |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
765 /* update previous buffer or add new buffer */ |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
766 |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
767 if (p->out) { |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
768 for (cl = p->out; cl->next; cl = cl->next) { /* void */ } |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
769 |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
770 b = cl->buf; |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
771 |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
772 if (b->file_last == p->temp_file->offset) { |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
773 p->temp_file->offset += n; |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
774 b->file_last = p->temp_file->offset; |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
775 goto free; |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
776 } |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
777 |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
778 last_out = &cl->next; |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
779 |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
780 } else { |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
781 last_out = &p->out; |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
782 } |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
783 |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
784 cl = ngx_chain_get_free_buf(p->pool, &p->free); |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
785 if (cl == NULL) { |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
786 return NGX_ABORT; |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
787 } |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
788 |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
789 b = cl->buf; |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
790 |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
791 ngx_memzero(b, sizeof(ngx_buf_t)); |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
792 |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
793 b->tag = p->tag; |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
794 |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
795 b->file = &p->temp_file->file; |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
796 b->file_pos = p->temp_file->offset; |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
797 p->temp_file->offset += n; |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
798 b->file_last = p->temp_file->offset; |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
799 |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
800 b->in_file = 1; |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
801 b->temp_file = 1; |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
802 |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
803 *last_out = cl; |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
804 } |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
805 |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
806 free: |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
807 |
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:
304
diff
changeset
|
808 for (last_free = &p->free_raw_bufs; |
150
ad5f382c9e7d
nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
149
diff
changeset
|
809 *last_free != NULL; |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
151
diff
changeset
|
810 last_free = &(*last_free)->next) |
150
ad5f382c9e7d
nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
149
diff
changeset
|
811 { |
ad5f382c9e7d
nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
149
diff
changeset
|
812 /* void */ |
ad5f382c9e7d
nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
149
diff
changeset
|
813 } |
ad5f382c9e7d
nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
149
diff
changeset
|
814 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
815 for (cl = out; cl; cl = next) { |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
816 next = cl->next; |
4233
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
817 |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
818 cl->next = p->free; |
aae172db7ac8
Event pipe: reduced number of file buffers used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4232
diff
changeset
|
819 p->free = cl; |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
820 |
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:
304
diff
changeset
|
821 b = cl->buf; |
150
ad5f382c9e7d
nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
149
diff
changeset
|
822 |
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:
304
diff
changeset
|
823 if (b->last_shadow) { |
483 | 824 |
501 | 825 tl = ngx_alloc_chain_link(p->pool); |
826 if (tl == NULL) { | |
483 | 827 return NGX_ABORT; |
828 } | |
829 | |
830 tl->buf = b->shadow; | |
831 tl->next = NULL; | |
832 | |
833 *last_free = tl; | |
834 last_free = &tl->next; | |
835 | |
452 | 836 b->shadow->pos = b->shadow->start; |
837 b->shadow->last = b->shadow->start; | |
838 | |
483 | 839 ngx_event_pipe_remove_shadow_links(b->shadow); |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
840 } |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
841 } |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
842 |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
843 return NGX_OK; |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
844 } |
76
6127d7075471
nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
845 |
78
9f81437e0ad3
nginx-0.0.1-2003-04-21-18:55:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
77
diff
changeset
|
846 |
76
6127d7075471
nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
847 /* the copy input filter */ |
6127d7075471
nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
848 |
577 | 849 ngx_int_t |
850 ngx_event_pipe_copy_input_filter(ngx_event_pipe_t *p, ngx_buf_t *buf) | |
76
6127d7075471
nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
851 { |
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:
304
diff
changeset
|
852 ngx_buf_t *b; |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
853 ngx_chain_t *cl; |
145
58557d0cccd1
nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
854 |
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:
304
diff
changeset
|
855 if (buf->pos == buf->last) { |
76
6127d7075471
nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
856 return NGX_OK; |
6127d7075471
nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
857 } |
6127d7075471
nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
858 |
147
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
859 if (p->free) { |
507 | 860 cl = p->free; |
861 b = cl->buf; | |
862 p->free = cl->next; | |
863 ngx_free_chain(p->pool, cl); | |
147
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
864 |
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
865 } else { |
501 | 866 b = ngx_alloc_buf(p->pool); |
867 if (b == NULL) { | |
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:
304
diff
changeset
|
868 return NGX_ERROR; |
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:
304
diff
changeset
|
869 } |
147
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
870 } |
76
6127d7075471
nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
871 |
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:
304
diff
changeset
|
872 ngx_memcpy(b, buf, sizeof(ngx_buf_t)); |
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:
304
diff
changeset
|
873 b->shadow = buf; |
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:
304
diff
changeset
|
874 b->tag = p->tag; |
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:
304
diff
changeset
|
875 b->last_shadow = 1; |
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:
304
diff
changeset
|
876 b->recycled = 1; |
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:
304
diff
changeset
|
877 buf->shadow = b; |
76
6127d7075471
nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
878 |
501 | 879 cl = ngx_alloc_chain_link(p->pool); |
880 if (cl == NULL) { | |
483 | 881 return NGX_ERROR; |
882 } | |
883 | |
884 cl->buf = b; | |
885 cl->next = NULL; | |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
194
diff
changeset
|
886 |
479 | 887 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, p->log, 0, "input buf #%d", b->num); |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
194
diff
changeset
|
888 |
501 | 889 if (p->in) { |
890 *p->last_in = cl; | |
891 } else { | |
892 p->in = cl; | |
893 } | |
894 p->last_in = &cl->next; | |
76
6127d7075471
nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
895 |
4119
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4114
diff
changeset
|
896 if (p->length == -1) { |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4114
diff
changeset
|
897 return NGX_OK; |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4114
diff
changeset
|
898 } |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4114
diff
changeset
|
899 |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4114
diff
changeset
|
900 p->length -= b->last - b->pos; |
b66712cde67d
Upstream: pipe length and input_filter_init in buffered mode.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4114
diff
changeset
|
901 |
76
6127d7075471
nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
902 return NGX_OK; |
6127d7075471
nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
903 } |
6127d7075471
nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
904 |
147
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
905 |
577 | 906 static ngx_inline void |
907 ngx_event_pipe_remove_shadow_links(ngx_buf_t *buf) | |
147
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
908 { |
343
6bdf858bff8c
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909 ngx_buf_t *b, *next; |
148
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|
910 |
452 | 911 b = buf->shadow; |
912 | |
913 if (b == NULL) { | |
148
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|
914 return; |
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915 } |
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|
916 |
343
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917 while (!b->last_shadow) { |
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918 next = b->shadow; |
442
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nginx-0.1.0-2004-09-28-19:44:42 import
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parents:
441
diff
changeset
|
919 |
452 | 920 b->temporary = 0; |
921 b->recycled = 0; | |
441
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nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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parents:
375
diff
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|
922 |
343
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923 b->shadow = NULL; |
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924 b = next; |
148
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parents:
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925 } |
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|
926 |
452 | 927 b->temporary = 0; |
928 b->recycled = 0; | |
442
464aaa791e2b
nginx-0.1.0-2004-09-28-19:44:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
441
diff
changeset
|
929 b->last_shadow = 0; |
343
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parents:
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diff
changeset
|
930 |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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parents:
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diff
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|
931 b->shadow = NULL; |
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nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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parents:
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|
932 |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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parents:
304
diff
changeset
|
933 buf->shadow = NULL; |
147
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
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|
934 } |
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
changeset
|
935 |
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
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parents:
146
diff
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|
936 |
577 | 937 ngx_int_t |
938 ngx_event_pipe_add_free_buf(ngx_event_pipe_t *p, ngx_buf_t *b) | |
147
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
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parents:
146
diff
changeset
|
939 { |
483 | 940 ngx_chain_t *cl; |
941 | |
501 | 942 cl = ngx_alloc_chain_link(p->pool); |
943 if (cl == NULL) { | |
483 | 944 return NGX_ERROR; |
148
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parents:
147
diff
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945 } |
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|
946 |
483 | 947 b->pos = b->start; |
948 b->last = b->start; | |
949 b->shadow = NULL; | |
950 | |
951 cl->buf = b; | |
952 | |
953 if (p->free_raw_bufs == NULL) { | |
954 p->free_raw_bufs = cl; | |
955 cl->next = NULL; | |
956 | |
957 return NGX_OK; | |
958 } | |
959 | |
960 if (p->free_raw_bufs->buf->pos == p->free_raw_bufs->buf->last) { | |
147
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diff
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|
961 |
483 | 962 /* add the free buf to the list start */ |
963 | |
964 cl->next = p->free_raw_bufs; | |
965 p->free_raw_bufs = cl; | |
966 | |
967 return NGX_OK; | |
147
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nginx-0.0.1-2003-10-14-19:06:38 import
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parents:
146
diff
changeset
|
968 } |
483 | 969 |
970 /* the first free buf is partialy filled, thus add the free buf after it */ | |
971 | |
972 cl->next = p->free_raw_bufs->next; | |
973 p->free_raw_bufs->next = cl; | |
974 | |
975 return NGX_OK; | |
147
be71fca7f9d7
nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents:
146
diff
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|
976 } |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
151
diff
changeset
|
977 |
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
151
diff
changeset
|
978 |
577 | 979 static ngx_int_t |
980 ngx_event_pipe_drain_chains(ngx_event_pipe_t *p) | |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
151
diff
changeset
|
981 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
154
diff
changeset
|
982 ngx_chain_t *cl, *tl; |
152
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
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parents:
151
diff
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|
983 |
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
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parents:
151
diff
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|
984 for ( ;; ) { |
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
151
diff
changeset
|
985 if (p->busy) { |
155
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Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
986 cl = p->busy; |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
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parents:
187
diff
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|
987 p->busy = NULL; |
152
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Igor Sysoev <igor@sysoev.ru>
parents:
151
diff
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|
988 |
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parents:
151
diff
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|
989 } else if (p->out) { |
155
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parents:
154
diff
changeset
|
990 cl = p->out; |
188
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187
diff
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|
991 p->out = NULL; |
152
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151
diff
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|
992 |
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nginx-0.0.1-2003-10-21-11:47:21 import
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parents:
151
diff
changeset
|
993 } else if (p->in) { |
155
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parents:
154
diff
changeset
|
994 cl = p->in; |
188
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nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
995 p->in = NULL; |
152
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nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
151
diff
changeset
|
996 |
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
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parents:
151
diff
changeset
|
997 } else { |
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nginx-0.0.1-2003-10-21-11:47:21 import
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parents:
151
diff
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|
998 return NGX_OK; |
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
151
diff
changeset
|
999 } |
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nginx-0.0.1-2003-10-21-11:47:21 import
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parents:
151
diff
changeset
|
1000 |
155
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nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
154
diff
changeset
|
1001 while (cl) { |
343
6bdf858bff8c
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parents:
304
diff
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|
1002 if (cl->buf->last_shadow) { |
483 | 1003 if (ngx_event_pipe_add_free_buf(p, cl->buf->shadow) != NGX_OK) { |
479 | 1004 return NGX_ABORT; |
1005 } | |
1006 | |
343
6bdf858bff8c
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parents:
304
diff
changeset
|
1007 cl->buf->last_shadow = 0; |
152
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parents:
151
diff
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|
1008 } |
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
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parents:
151
diff
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|
1009 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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parents:
304
diff
changeset
|
1010 cl->buf->shadow = NULL; |
155
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154
diff
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|
1011 tl = cl->next; |
46eb23d9471d
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parents:
154
diff
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|
1012 cl->next = p->free; |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
154
diff
changeset
|
1013 p->free = cl; |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
154
diff
changeset
|
1014 cl = tl; |
152
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nginx-0.0.1-2003-10-21-11:47:21 import
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parents:
151
diff
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|
1015 } |
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
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parents:
151
diff
changeset
|
1016 } |
fb48bf4fea1c
nginx-0.0.1-2003-10-21-11:47:21 import
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parents:
151
diff
changeset
|
1017 } |