Mercurial > hg > nginx

annotate src/event/ngx_event_pipe.c @ 164:84036764e215

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.1-2003-10-29-11:30:44 import
author Igor Sysoev <igor@sysoev.ru>
date Wed, 29 Oct 2003 08:30:44 +0000
parents fb61ba77beba
children 389d7ee9fa60
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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2 #include <ngx_config.h>
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3 #include <ngx_core.h>
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4 #include <ngx_event.h>
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5 #include <ngx_event_pipe.h>
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8 static int ngx_event_pipe_read_upstream(ngx_event_pipe_t *p);
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9 static int ngx_event_pipe_write_to_downstream(ngx_event_pipe_t *p);
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11 static int ngx_event_pipe_write_chain_to_temp_file(ngx_event_pipe_t *p);
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12 ngx_inline static void ngx_event_pipe_remove_shadow_links(ngx_hunk_t *hunk);
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13 ngx_inline static void ngx_event_pipe_free_shadow_raw_hunk(ngx_chain_t **free,
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14 ngx_hunk_t *h);
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15 ngx_inline static void ngx_event_pipe_add_free_hunk(ngx_chain_t **chain,
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16 ngx_chain_t *cl);
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17 static int ngx_event_pipe_drain_chains(ngx_event_pipe_t *p);
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20 int ngx_event_pipe(ngx_event_pipe_t *p, int do_write)
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21 {
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22 ngx_event_t *rev, *wev;
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24 for ( ;; ) {
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25 if (do_write) {
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26 if (ngx_event_pipe_write_to_downstream(p) == NGX_ABORT) {
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27 return NGX_ABORT;
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28 }
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29 }
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30
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31 p->read = 0;
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eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
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32 p->upstream_blocked = 0;
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33
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34 if (ngx_event_pipe_read_upstream(p) == 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 (!p->read && !p->upstream_blocked) {
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39 break;
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40 }
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41
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42 do_write = 1;
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43 }
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44
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84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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45 rev = p->upstream->read;
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46
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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47 if (ngx_handle_read_event(rev, (rev->eof || rev->error)) == NGX_ERROR) {
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48 return NGX_ABORT;
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49 }
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50
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51 if (rev->active) {
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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52 ngx_add_timer(rev, p->read_timeout);
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53 }
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84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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55 wev = p->downstream->write;
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56
84036764e215 nginx-0.0.1-2003-10-29-11:30:44 import
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57 if (ngx_handle_write_event(wev, p->send_lowat) == NGX_ERROR) {
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58 return NGX_ABORT;
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59 }
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60
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61 if (wev->active) {
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62 ngx_add_timer(wev, p->send_timeout);
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63 }
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65 return NGX_OK;
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66 }
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69 int ngx_event_pipe_read_upstream(ngx_event_pipe_t *p)
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70 {
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71 int n, rc, size;
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72 ngx_hunk_t *h;
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73 ngx_chain_t *chain, *cl, *tl;
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6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
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74
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75 if (p->upstream_eof || p->upstream_error || p->upstream_done) {
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76 return NGX_OK;
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77 }
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79 ngx_log_debug(p->log, "read upstream: %d" _ p->upstream->read->ready);
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80
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81 for ( ;; ) {
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82
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83 if (p->upstream_eof || p->upstream_error || p->upstream_done) {
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84 break;
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85 }
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86
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87 if (p->preread_hunks == NULL && !p->upstream->read->ready) {
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88 break;
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89 }
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90
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91 if (p->preread_hunks) {
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93 /* use the pre-read hunks if they exist */
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94
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95 p->read = 1;
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96 chain = p->preread_hunks;
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97 p->preread_hunks = NULL;
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98 n = p->preread_size;
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869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
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99
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100 ngx_log_debug(p->log, "preread: %d" _ n);
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101
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102 } else {
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103
145
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
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104 #if (HAVE_KQUEUE)
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105
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
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106 /*
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
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107 * kqueue notifies about the end of file or a pending error.
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108 * This test allows not to allocate a hunk on these conditions
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109 * and not to call ngx_recv_chain().
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110 */
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111
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112 if (ngx_event_flags == NGX_HAVE_KQUEUE_EVENT) {
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113
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fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
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114 if (p->upstream->read->available == 0) {
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
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115 if (p->upstream->read->kq_eof) {
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
116 p->upstream->read->ready = 0;
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
117 p->upstream->read->eof = 0;
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
118 p->upstream_eof = 1;
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
119 p->read = 1;
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
120
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
121 if (p->upstream->read->kq_errno) {
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
122 p->upstream->read->error = 1;
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
123 p->upstream_error = 1;
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
124 p->upstream_eof = 0;
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
125
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
126 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
127 p->upstream->read->kq_errno,
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
128 "readv() failed");
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
129 }
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
130
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
131 break;
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
132 }
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
133 }
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
134
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
135 #if 0
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
136 if (p->upstream->read->kq_errno) {
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
137 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
138 p->upstream->read->kq_errno,
79
eacfdd1c31b9 nginx-0.0.1-2003-04-22-19:02:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 78
diff changeset
139 "readv() failed");
eacfdd1c31b9 nginx-0.0.1-2003-04-22-19:02:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 78
diff changeset
140 p->upstream_error = 1;
eacfdd1c31b9 nginx-0.0.1-2003-04-22-19:02:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 78
diff changeset
141
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
142 break;
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
143
163
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
144 } else if (p->upstream->read->kq_eof
79
eacfdd1c31b9 nginx-0.0.1-2003-04-22-19:02:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 78
diff changeset
145 && p->upstream->read->available == 0) {
eacfdd1c31b9 nginx-0.0.1-2003-04-22-19:02:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 78
diff changeset
146 p->upstream_eof = 1;
150
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
147 p->read = 1;
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
149 break;
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
150 }
163
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
151 #endif
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
152
79
eacfdd1c31b9 nginx-0.0.1-2003-04-22-19:02:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 78
diff changeset
153 }
eacfdd1c31b9 nginx-0.0.1-2003-04-22-19:02:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 78
diff changeset
154 #endif
77
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
155
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
156 if (p->free_raw_hunks) {
145
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
157
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
158 /* use the free hunks if they exist */
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
159
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
160 chain = p->free_raw_hunks;
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
161 p->free_raw_hunks = NULL;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
162
145
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
163 } else if (p->hunks < p->bufs.num) {
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
164
145
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
165 /* allocate a new hunk 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
166
145
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
167 ngx_test_null(h, ngx_create_temp_hunk(p->pool,
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
168 p->bufs.size, 0, 0),
145
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
169 NGX_ABORT);
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
170 p->hunks++;
77
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
171
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
172 ngx_alloc_link_and_set_hunk(tl, h, p->pool, NGX_ABORT);
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
173 chain = tl;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
174
146
5ac79e574285 nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
175 } else if (!p->cachable && p->downstream->write->ready) {
77
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
176
145
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
177 /*
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
178 * if the hunks are not needed to be saved in a cache and
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
179 * a downstream is ready then write the hunks 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
180 */
77
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
181
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
182 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
183
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
184 ngx_log_debug(p->log, "downstream ready");
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
185
78
9f81437e0ad3 nginx-0.0.1-2003-04-21-18:55:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 77
diff changeset
186 break;
77
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
187
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
188 } else if (p->cachable || p->temp_offset < p->max_temp_file_size) {
77
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
189
145
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
190 /*
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
191 * if it's allowed then save some hunks from r->in
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
192 * 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
193 */
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
194
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
195 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
196
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
197 ngx_log_debug(p->log, "temp offset: %d" _ p->temp_offset);
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
198
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
199 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
200 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
201 && 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
202 && 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
203 {
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
204 if (ngx_del_event(p->upstream->read, NGX_READ_EVENT, 0)
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
205 == NGX_ERROR)
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
206 {
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
207 return NGX_ABORT;
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
208 }
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
209 }
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
210 }
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
211
77
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
212 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
213 return rc;
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
214 }
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
215
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
216 chain = p->free_raw_hunks;
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
217 p->free_raw_hunks = NULL;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
218
145
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
219 } else {
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
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 /* if there're no hunks to read in then disable a level event */
78
9f81437e0ad3 nginx-0.0.1-2003-04-21-18:55:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 77
diff changeset
222
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
223 ngx_log_debug(p->log, "no hunks to read in");
77
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
224
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
225 break;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
226 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
227
77
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
228 n = ngx_recv_chain(p->upstream, chain);
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
229
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
230 ngx_log_debug(p->log, "recv_chain: %d" _ n);
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
231
151
2d9e4a8b6d11 nginx-0.0.1-2003-10-20-21:14:07 import
Igor Sysoev <igor@sysoev.ru>
parents: 150
diff changeset
232 p->free_raw_hunks = chain;
2d9e4a8b6d11 nginx-0.0.1-2003-10-20-21:14:07 import
Igor Sysoev <igor@sysoev.ru>
parents: 150
diff changeset
233
145
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
234 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
235 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
236 return NGX_ERROR;
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
237 }
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
238
145
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
239 if (n == NGX_AGAIN) {
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
240 break;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
241 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
242
150
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
243 p->read = 1;
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
244
145
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
245 if (n == 0) {
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
246 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
247 break;
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
248 }
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
249 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
250
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
251 cl = chain;
151
2d9e4a8b6d11 nginx-0.0.1-2003-10-20-21:14:07 import
Igor Sysoev <igor@sysoev.ru>
parents: 150
diff changeset
252
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
253 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
254
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
255 ngx_event_pipe_remove_shadow_links(cl->hunk);
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
256
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
257 size = cl->hunk->end - cl->hunk->last;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
258
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
259 if (n >= size) {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
260 cl->hunk->last = cl->hunk->end;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
261
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
262 /* STUB */ cl->hunk->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
263
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
264 if (p->input_filter(p, cl->hunk) == NGX_ERROR) {
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
265 return NGX_ABORT;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
266 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
267
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
268 n -= size;
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
269 cl = cl->next;
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
270
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
271 } else {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
272 cl->hunk->last += n;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
273 n = 0;
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
274 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
275 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
276
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
277 p->free_raw_hunks = cl;
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
278 }
76
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
279
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
280 if ((p->upstream_eof || p->upstream_error) && p->free_raw_hunks) {
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
281 /* STUB */ p->free_raw_hunks->hunk->num = p->num++;
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
282 if (p->input_filter(p, p->free_raw_hunks->hunk) == NGX_ERROR) {
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
283 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
284 }
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
285
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
286 /* TODO: p->free_raw_hunk->next can be free()ed */
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
287 p->free_raw_hunks = p->free_raw_hunks->next;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
288 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
289
150
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
290 if (p->cachable && p->in) {
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
291 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
292 return NGX_ABORT;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
293 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
294 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
295
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
296 return NGX_OK;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
297 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
298
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
299
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
300 int 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
301 {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
302 size_t bsize, to_write;
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
303 ngx_hunk_t *h;
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
304 ngx_chain_t *out, **ll, *cl, *tl;
146
5ac79e574285 nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
305
150
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
306 ngx_log_debug(p->log, "write downstream: %d" _ p->downstream->write->ready);
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
307
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
308 for ( ;; ) {
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
309 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
310 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
311 }
150
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
312
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
313 if ((p->upstream_eof || p->upstream_error || p->upstream_done)
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
314 && p->out == NULL && p->in == NULL)
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
315 {
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
316 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
317 break;
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
318 }
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
319
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
320 if (!p->downstream->write->ready) {
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
321 break;
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
322 }
146
5ac79e574285 nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
323
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
324 /*
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
325 * bsize is the busy hunks size
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
326 * to_write is the size of data that to be written
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
327 */
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
328
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
329 bsize = 0;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
330 to_write = 0;
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
331
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
332 if (!(p->upstream_eof || p->upstream_error || p->upstream_done)) {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
333 for (cl = p->busy; cl; cl = cl->next) {
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
334 bsize += cl->hunk->end - cl->hunk->start;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
335 to_write += ngx_hunk_size(cl->hunk);
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
336 }
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
337 }
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
338
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
339 out = NULL;
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
340 ll = NULL;
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
341
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
342 for ( ;; ) {
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
343 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
344 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
345
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
346 if (!(p->upstream_eof || p->upstream_error || p->upstream_done)
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
347 && (bsize + ngx_hunk_size(cl->hunk) > p->busy_size))
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
348 {
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
349 break;
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
350 }
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
351
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
352 p->out = p->out->next;
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
353 ngx_event_pipe_free_shadow_raw_hunk(&p->free_raw_hunks,
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
354 cl->hunk);
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
355
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
356 } else if (!p->cachable && p->in) {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
357 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
358
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
359 if (!(p->upstream_eof || p->upstream_error || p->upstream_done)
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
360 && (bsize + ngx_hunk_size(cl->hunk) > p->busy_size))
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
361 {
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
362 break;
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
363 }
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
364
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
365 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
366
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
367 } else {
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
368 break;
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
369 }
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
370
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
371 bsize += ngx_hunk_size(cl->hunk);
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
372 cl->next = NULL;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
373 ngx_chain_add_link(out, ll, cl);
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
374 }
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
375
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
376 if (out == NULL) {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
377 ngx_log_debug(p->log, "no hunks to write BUSY: %d" _ to_write);
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
378
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
379 if (!(p->upstream_blocked && to_write)) {
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
380 break;
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
381 }
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
382
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
383 /*
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
384 * if the upstream is blocked and there are the busy hunks
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
385 * to write then write these hunks
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
386 */
146
5ac79e574285 nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
387 }
5ac79e574285 nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
388
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
389 if (p->output_filter(p->output_ctx, out) == NGX_ERROR) {
151
2d9e4a8b6d11 nginx-0.0.1-2003-10-20-21:14:07 import
Igor Sysoev <igor@sysoev.ru>
parents: 150
diff changeset
390 p->downstream_error = 1;
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
391
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
392 /* handle the downstream error at the begin of a cycle */
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
393
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
394 continue;
150
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
395 }
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
396
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
397 ngx_chain_update_chains(&p->free, &p->busy, &out, p->tag);
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
398
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
399 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
400
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
401 /* add the free shadow raw hunk to p->free_raw_hunks */
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
402
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
403 if (cl->hunk->type & NGX_HUNK_LAST_SHADOW) {
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
404 h = cl->hunk->shadow;
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
405 h->pos = h->last = h->start;
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
406 h->shadow = NULL;
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
407 ngx_alloc_link_and_set_hunk(tl, h, p->pool, NGX_ABORT);
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
408 ngx_event_pipe_add_free_hunk(&p->free_raw_hunks, tl);
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
409
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
410 cl->hunk->type &= ~NGX_HUNK_LAST_SHADOW;
146
5ac79e574285 nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
411 }
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
412 cl->hunk->shadow = NULL;
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
413
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
414 if (p->cyclic_temp_file && (cl->hunk->type & NGX_HUNK_TEMP_FILE)) {
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
415
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
416 /* reset p->temp_offset if all hunks had been sent */
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
417
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
418 if (cl->hunk->file_last == p->temp_offset) {
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
419 p->temp_offset = 0;
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
420 }
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
421 }
146
5ac79e574285 nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
422 }
5ac79e574285 nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
423 }
5ac79e574285 nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
424
5ac79e574285 nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
425 return NGX_OK;
5ac79e574285 nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
426 }
5ac79e574285 nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
427
5ac79e574285 nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
428
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
429 static int 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
430 {
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
431 int rc, size, hsize;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
432 ngx_hunk_t *h;
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
433 ngx_chain_t *cl, *tl, *next, *out, **ll, **last_free;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
434
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
435 ngx_log_debug(p->log, "write to file");
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 if (p->temp_file->fd == NGX_INVALID_FILE) {
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
438 rc = ngx_create_temp_file(p->temp_file, p->temp_path, p->pool,
83
a7e45c45a95c nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 79
diff changeset
439 p->cachable);
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
440
78
9f81437e0ad3 nginx-0.0.1-2003-04-21-18:55:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 77
diff changeset
441 if (rc == NGX_ERROR) {
143
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 140
diff changeset
442 return NGX_ABORT;
78
9f81437e0ad3 nginx-0.0.1-2003-04-21-18:55:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 77
diff changeset
443 }
9f81437e0ad3 nginx-0.0.1-2003-04-21-18:55:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 77
diff changeset
444
9f81437e0ad3 nginx-0.0.1-2003-04-21-18:55:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 77
diff changeset
445 if (rc == NGX_AGAIN) {
9f81437e0ad3 nginx-0.0.1-2003-04-21-18:55:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 77
diff changeset
446 return NGX_AGAIN;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
447 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
448
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
449 if (!p->cachable && p->temp_file_warn) {
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
450 ngx_log_error(NGX_LOG_WARN, p->log, 0, p->temp_file_warn);
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
451 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
452 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
453
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
454 out = p->in;
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
455
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
456 if (!p->cachable) {
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
457
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
458 size = 0;
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
459 cl = p->in;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
460 ll = NULL;
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
461
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
462 ngx_log_debug(p->log, "offset: %d" _ p->temp_offset);
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
463
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
464 do {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
465 hsize = cl->hunk->last - cl->hunk->pos;
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
466
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
467 ngx_log_debug(p->log, "hunk size: %d" _ hsize);
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
468
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
469 if ((size + hsize > p->temp_file_write_size)
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
470 || (p->temp_offset + size + hsize > 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
471 {
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
472 break;
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
473 }
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
474
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
475 size += hsize;
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
476 ll = &cl->next;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
477 cl = cl->next;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
478
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
479 } while (cl);
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
480
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
481 ngx_log_debug(p->log, "size: %d" _ size);
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
482
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
483 if (cl) {
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
484 p->in = cl;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
485 *ll = NULL;
151
2d9e4a8b6d11 nginx-0.0.1-2003-10-20-21:14:07 import
Igor Sysoev <igor@sysoev.ru>
parents: 150
diff changeset
486
2d9e4a8b6d11 nginx-0.0.1-2003-10-20-21:14:07 import
Igor Sysoev <igor@sysoev.ru>
parents: 150
diff changeset
487 } else {
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
488 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
489 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
490 }
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
491
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
492 } else {
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
493 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
494 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
495 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
496
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
497 if (ngx_write_chain_to_file(p->temp_file, out, p->temp_offset,
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
498 p->pool) == NGX_ERROR) {
143
5526213be452 nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 140
diff changeset
499 return NGX_ABORT;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
500 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
501
150
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
502 for (last_free = &p->free_raw_hunks;
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
503 *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
504 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
505 {
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
506 /* void */
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
507 }
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
508
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
509 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
510 next = cl->next;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
511 cl->next = NULL;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
512
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
513 h = cl->hunk;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
514 h->file = p->temp_file;
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
515 h->file_pos = p->temp_offset;
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
516 p->temp_offset += h->last - h->pos;
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
517 h->file_last = p->temp_offset;
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
518
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
519 if (p->cachable) {
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
520 h->type |= NGX_HUNK_FILE;
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
521 } else {
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
522 h->type |= NGX_HUNK_FILE|NGX_HUNK_TEMP_FILE;
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
523 }
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
524
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
525 ngx_chain_add_link(p->out, p->last_out, cl);
150
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
526
76
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
527 if (h->type & NGX_HUNK_LAST_SHADOW) {
77
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
528 h->shadow->last = h->shadow->pos = h->shadow->start;
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
529 ngx_alloc_link_and_set_hunk(tl, h->shadow, p->pool, NGX_ABORT);
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
530 *last_free = tl;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
531 last_free = &tl->next;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
532 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
533 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
534
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
535 return NGX_OK;
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
536 }
76
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
537
78
9f81437e0ad3 nginx-0.0.1-2003-04-21-18:55:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 77
diff changeset
538
76
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
539 /* 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
540
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
541 int ngx_event_pipe_copy_input_filter(ngx_event_pipe_t *p, ngx_hunk_t *hunk)
76
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
542 {
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
543 ngx_hunk_t *h;
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
544 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
545
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
546 if (hunk->pos == hunk->last) {
76
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
547 return NGX_OK;
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
548 }
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
549
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
550 if (p->free) {
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
551 h = p->free->hunk;
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
552 p->free = p->free->next;
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
553
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
554 } else {
76
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
555 ngx_test_null(h, ngx_alloc_hunk(p->pool), NGX_ERROR);
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
556 }
76
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
557
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
558 ngx_memcpy(h, hunk, sizeof(ngx_hunk_t));
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
559 h->shadow = hunk;
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
560 h->tag = p->tag;
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
561 h->type |= NGX_HUNK_LAST_SHADOW|NGX_HUNK_RECYCLED;
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
562 hunk->shadow = h;
76
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
563
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
564 ngx_alloc_link_and_set_hunk(cl, h, p->pool, NGX_ERROR);
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
565 ngx_log_debug(p->log, "HUNK %d" _ h->num);
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
566 ngx_chain_add_link(p->in, p->last_in, cl);
76
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
567
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
568 return NGX_OK;
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
569 }
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
570
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
571
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
572 ngx_inline static void ngx_event_pipe_remove_shadow_links(ngx_hunk_t *hunk)
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
573 {
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
574 ngx_hunk_t *h, *next;
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
575
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
576 if (hunk->shadow == NULL) {
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
577 return;
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
578 }
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
579
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
580 h = hunk->shadow;
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
581
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
582 while (!(h->type & NGX_HUNK_LAST_SHADOW)) {
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
583 next = h->shadow;
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
584 h->type &= ~(NGX_HUNK_TEMP|NGX_HUNK_IN_MEMORY|NGX_HUNK_RECYCLED);
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
585 h->shadow = NULL;
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
586 h = next;
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
587 }
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
588
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
589 h->type &= ~(NGX_HUNK_TEMP
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
590 |NGX_HUNK_IN_MEMORY
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
591 |NGX_HUNK_RECYCLED
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
592 |NGX_HUNK_LAST_SHADOW);
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
593 h->shadow = NULL;
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
594
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
595 hunk->shadow = NULL;
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
596 }
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
597
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
598
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
599 ngx_inline static void ngx_event_pipe_free_shadow_raw_hunk(ngx_chain_t **free,
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
600 ngx_hunk_t *h)
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
601 {
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
602 ngx_hunk_t *s;
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
603 ngx_chain_t *cl, **ll;
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
604
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
605 if (h->shadow == NULL) {
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
606 return;
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
607 }
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 for (s = h->shadow; !(s->type & NGX_HUNK_LAST_SHADOW); s = s->shadow) {
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
610 /* void */
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
611 }
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
612
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
613 ll = free;
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
614
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
615 for (cl = *free ; cl; cl = cl->next) {
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
616 if (cl->hunk == s) {
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
617 *ll = cl->next;
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
618 break;
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
619 }
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
620
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
621 if (cl->hunk->shadow) {
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
622 break;
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
623 }
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
624
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
625 ll = &cl->next;
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
626 }
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
627 }
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
628
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
629
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
630 ngx_inline static void ngx_event_pipe_add_free_hunk(ngx_chain_t **chain,
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
631 ngx_chain_t *cl)
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
632 {
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
633 if (*chain == NULL) {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
634 *chain = cl;
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
635 return;
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
636 }
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
637
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
638 if ((*chain)->hunk->pos != (*chain)->hunk->last) {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
639 cl->next = (*chain)->next;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
640 (*chain)->next = cl;
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
641
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
642 } else {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
643 cl->next = (*chain);
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
644 (*chain) = cl;
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
645 }
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
646 }
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
647
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
648
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
649 static int 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
650 {
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
651 ngx_hunk_t *h;
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
652 ngx_chain_t *cl, *tl;
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
653
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
654 for ( ;; ) {
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
655 if (p->busy) {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
656 cl = p->busy;
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
657
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
658 } else 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
659 cl = p->out;
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
660
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
661 } else if (p->in) {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
662 cl = p->in;
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
663
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
664 } else {
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
665 return NGX_OK;
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
666 }
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
667
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
668 while (cl) {
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
669 if (cl->hunk->type & NGX_HUNK_LAST_SHADOW) {
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
670 h = cl->hunk->shadow;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
671 h->pos = h->last = h->start;
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
672 h->shadow = NULL;
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
673 ngx_alloc_link_and_set_hunk(tl, h, p->pool, NGX_ABORT);
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
674 ngx_event_pipe_add_free_hunk(&p->free_raw_hunks, tl);
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
675
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
676 cl->hunk->type &= ~NGX_HUNK_LAST_SHADOW;
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
677 }
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
678
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
679 cl->hunk->shadow = NULL;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
680 tl = cl->next;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
681 cl->next = p->free;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
682 p->free = cl;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
683 cl = tl;
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
684 }
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
685 }
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
686 }