Mercurial > hg > nginx

annotate src/event/ngx_event_pipe.c @ 155:46eb23d9471d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.1-2003-10-22-20:38:26 import
author Igor Sysoev <igor@sysoev.ru>
date Wed, 22 Oct 2003 16:38:26 +0000
parents eac26585476e
children fb61ba77beba
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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54307053f185 nginx-0.0.1-2003-10-07-19:30:05 import
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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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c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
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5 #include <ngx_event_pipe.h>
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c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
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8 static int ngx_event_pipe_read_upstream(ngx_event_pipe_t *p);
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
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9 static int ngx_event_pipe_write_to_downstream(ngx_event_pipe_t *p);
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10
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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);
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
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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 for ( ;; ) {
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23 if (do_write) {
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24 if (ngx_event_pipe_write_to_downstream(p) == NGX_ABORT) {
150
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
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25 return NGX_ABORT;
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26 }
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27 }
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28
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
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29 p->read = 0;
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eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
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30 p->upstream_blocked = 0;
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31
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32 if (ngx_event_pipe_read_upstream(p) == NGX_ABORT) {
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33 return NGX_ABORT;
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34 }
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35
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36 if (!p->read && !p->upstream_blocked) {
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37 break;
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38 }
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39
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
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40 do_write = 1;
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
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41 }
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42
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
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43 if (ngx_handle_read_event(p->upstream->read) == NGX_ERROR) {
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
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44 return NGX_ABORT;
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45 }
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46
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
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47 if (ngx_handle_write_event(p->downstream->write,
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
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48 /* TODO: lowat */ 0) == NGX_ERROR) {
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
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49 return NGX_ABORT;
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50 }
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51
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
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52 return NGX_OK;
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53 }
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ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
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c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
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56 int ngx_event_pipe_read_upstream(ngx_event_pipe_t *p)
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57 {
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
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58 int n, rc, size;
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59 ngx_hunk_t *h;
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60 ngx_chain_t *chain, *cl, *tl;
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61
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62 if (p->upstream_eof || p->upstream_error || p->upstream_done) {
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63 return NGX_OK;
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64 }
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65
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66 ngx_log_debug(p->log, "read upstream: %d" _ p->upstream->read->ready);
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67
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68 for ( ;; ) {
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69
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70 if (p->upstream_eof || p->upstream_error || p->upstream_done) {
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71 break;
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72 }
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74 if (p->preread_hunks == NULL && !p->upstream->read->ready) {
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75 break;
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76 }
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78 if (p->preread_hunks) {
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80 /* use the pre-read hunks if they exist */
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81
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82 p->read = 1;
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83 chain = p->preread_hunks;
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
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84 p->preread_hunks = NULL;
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
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85 n = p->preread_size;
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86
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87 ngx_log_debug(p->log, "preread: %d" _ n);
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88
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89 } else {
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90
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91 #if (HAVE_KQUEUE)
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92
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
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93 /*
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
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94 * kqueue notifies about the end of file or a pending error.
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95 * This test allows not to allocate a hunk on these conditions
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96 * and not to call ngx_recv_chain().
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97 */
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98
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54307053f185 nginx-0.0.1-2003-10-07-19:30:05 import
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99 if (ngx_event_flags == NGX_HAVE_KQUEUE_EVENT) {
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eacfdd1c31b9 nginx-0.0.1-2003-04-22-19:02:58 import
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100
eacfdd1c31b9 nginx-0.0.1-2003-04-22-19:02:58 import
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101 if (p->upstream->read->error) {
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58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
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102 ngx_log_error(NGX_LOG_ERR, p->log, p->upstream->read->error,
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eacfdd1c31b9 nginx-0.0.1-2003-04-22-19:02:58 import
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103 "readv() failed");
eacfdd1c31b9 nginx-0.0.1-2003-04-22-19:02:58 import
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104 p->upstream_error = 1;
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105
148
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106 break;
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107
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eacfdd1c31b9 nginx-0.0.1-2003-04-22-19:02:58 import
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108 } else if (p->upstream->read->eof
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109 && p->upstream->read->available == 0) {
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110 p->upstream_eof = 1;
150
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111 p->read = 1;
148
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112
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113 break;
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
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114 }
79
eacfdd1c31b9 nginx-0.0.1-2003-04-22-19:02:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 78
diff changeset
115 }
eacfdd1c31b9 nginx-0.0.1-2003-04-22-19:02:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 78
diff changeset
116 #endif
77
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
117
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
118 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
119
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
120 /* 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
121
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
122 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
123 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
124
145
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
125 } 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
126
145
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
127 /* 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
128
145
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
129 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
130 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
131 NGX_ABORT);
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
132 p->hunks++;
77
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
133
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
134 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
135 chain = tl;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
136
146
5ac79e574285 nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
137 } 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
138
145
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
139 /*
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
140 * 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
141 * 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
142 */
77
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
143
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
144 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
145
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
146 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
147
78
9f81437e0ad3 nginx-0.0.1-2003-04-21-18:55:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 77
diff changeset
148 break;
77
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
149
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
150 } 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
151
145
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
152 /*
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
153 * 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
154 * 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
155 */
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
156
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
157 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
158
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
159 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
160
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
161 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
162 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
163 && 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
164 && 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
165 {
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
166 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
167 == NGX_ERROR)
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
168 {
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
169 return NGX_ABORT;
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
170 }
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
171 }
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
172 }
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
173
77
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
174 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
175 return rc;
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
176 }
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
177
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
178 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
179 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
180
145
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
181 } else {
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
182
145
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
183 /* 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
184
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
185 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
186
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
187 break;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
188 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
189
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
190 ngx_log_debug(p->log, "HUNK_FREE: %d" _ chain->hunk->num);
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
191
77
57c2e18d3572 nginx-0.0.1-2003-04-17-21:59:35 import
Igor Sysoev <igor@sysoev.ru>
parents: 76
diff changeset
192 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
193
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
194 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
195
151
2d9e4a8b6d11 nginx-0.0.1-2003-10-20-21:14:07 import
Igor Sysoev <igor@sysoev.ru>
parents: 150
diff changeset
196 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
197
145
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
198 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
199 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
200 return NGX_ERROR;
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
201 }
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
202
145
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
203 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
204 break;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
205 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
206
150
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
207 p->read = 1;
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
208
145
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
209 if (n == 0) {
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
210 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
211 break;
58557d0cccd1 nginx-0.0.1-2003-10-13-20:32:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
212 }
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
213 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
214
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
215 cl = chain;
151
2d9e4a8b6d11 nginx-0.0.1-2003-10-20-21:14:07 import
Igor Sysoev <igor@sysoev.ru>
parents: 150
diff changeset
216
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
217 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
218
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
219 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
220
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
221 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
222
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
223 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
224 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
225
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
226 /* 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
227
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
228 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
229 return NGX_ABORT;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
230 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
231
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
232 n -= size;
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
233 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
234
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
235 } else {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
236 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
237 n = 0;
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
238 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
239 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
240
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
241 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
242 }
76
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
243
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
244 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
245 /* 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
246 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
247 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
248 }
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
249
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
250 /* 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
251 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
252 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
253
150
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
254 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
255 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
256 return NGX_ABORT;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
257 }
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
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
260 return NGX_OK;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
261 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
262
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
263
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
264 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
265 {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
266 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
267 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
268 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
269
150
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
270 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
271
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
272 for ( ;; ) {
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
273 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
274 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
275 }
150
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
276
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
277 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
278 && 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
279 {
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
280 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
281 break;
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
282 }
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
283
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
284 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
285 break;
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
286 }
146
5ac79e574285 nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
287
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
288 /*
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
289 * 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
290 * 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
291 */
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
292
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
293 bsize = 0;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
294 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
295
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
296 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
297 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
298 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
299 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
300 }
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
301 }
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
302
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
303 out = NULL;
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
304 ll = NULL;
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
305
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
306 for ( ;; ) {
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
307 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
308 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
309
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
310 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
311 && (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
312 {
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
313 break;
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
314 }
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
315
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
316 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
317 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
318 cl->hunk);
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
319
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
320 ngx_log_debug(p->log, "HUNK OUT: %d %x" _ cl->hunk->num _ cl->hunk->type);
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
321
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
322 } 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
323 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
324
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
325 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
326 && (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
327 {
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
328 break;
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
329 }
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
330
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
331 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
332
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
333 ngx_log_debug(p->log, "HUNK IN: %d" _ cl->hunk->num);
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
334
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
335 } else {
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
336 break;
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
337 }
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
338
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
339 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
340 cl->next = NULL;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
341 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
342 }
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
343
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
344 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
345 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
346
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
347 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
348 break;
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
349 }
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
350
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
351 /*
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
352 * 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
353 * 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
354 */
146
5ac79e574285 nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
355 }
5ac79e574285 nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
356
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
357 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
358 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
359
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
360 /* 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
361
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
362 continue;
150
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
363 }
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
364
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
365 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
366
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
367 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
368
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
369 /* 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
370
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
371 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
372 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
373 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
374 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
375 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
376 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
377
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
378 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
379 }
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
380 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
381
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
382 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
383
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
384 /* 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
385
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
386 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
387 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
388 }
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
389 }
146
5ac79e574285 nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
390 }
5ac79e574285 nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
391 }
5ac79e574285 nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
392
5ac79e574285 nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
393 return NGX_OK;
5ac79e574285 nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
394 }
5ac79e574285 nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
395
5ac79e574285 nginx-0.0.1-2003-10-14-09:26:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 145
diff changeset
396
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
397 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
398 {
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
399 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
400 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
401 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
402
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
403 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
404
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
405 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
406 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
407 p->cachable);
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
408
78
9f81437e0ad3 nginx-0.0.1-2003-04-21-18:55:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 77
diff changeset
409 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
410 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
411 }
9f81437e0ad3 nginx-0.0.1-2003-04-21-18:55:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 77
diff changeset
412
9f81437e0ad3 nginx-0.0.1-2003-04-21-18:55:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 77
diff changeset
413 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
414 return NGX_AGAIN;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
415 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
416
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
417 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
418 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
419 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
420 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
421
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
422 out = p->in;
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
423
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
424 if (!p->cachable) {
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
425
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
426 size = 0;
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
427 cl = p->in;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
428 ll = NULL;
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
429
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
430 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
431
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
432 do {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
433 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
434
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
435 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
436
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
437 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
438 || (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
439 {
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
440 break;
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
441 }
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
442
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
443 size += hsize;
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
444 ll = &cl->next;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
445 cl = cl->next;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
446
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
447 } while (cl);
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
448
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
449 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
450
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
451 if (cl) {
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
452 p->in = cl;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
453 *ll = NULL;
151
2d9e4a8b6d11 nginx-0.0.1-2003-10-20-21:14:07 import
Igor Sysoev <igor@sysoev.ru>
parents: 150
diff changeset
454
2d9e4a8b6d11 nginx-0.0.1-2003-10-20-21:14:07 import
Igor Sysoev <igor@sysoev.ru>
parents: 150
diff changeset
455 } else {
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
456 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
457 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
458 }
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
459
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
460 } else {
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
461 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
462 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
463 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
464
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
465 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
466 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
467 return NGX_ABORT;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
468 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
469
150
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
470 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
471 *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
472 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
473 {
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
474 /* void */
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
475 }
ad5f382c9e7d nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 149
diff changeset
476
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
477 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
478 next = cl->next;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
479 cl->next = NULL;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
480
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
481 h = cl->hunk;
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
482 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
483 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
484 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
485 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
486
154
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
487 if (p->cachable) {
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
488 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
489 } else {
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
490 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
491 }
eac26585476e nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
492
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
493 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
494
76
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
495 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
496 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
497 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
498 *last_free = tl;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
499 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
500 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
501 }
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
502
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
503 return NGX_OK;
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
504 }
76
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
505
78
9f81437e0ad3 nginx-0.0.1-2003-04-21-18:55:47 import
Igor Sysoev <igor@sysoev.ru>
parents: 77
diff changeset
506
76
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
507 /* 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
508
153
c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 152
diff changeset
509 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
510 {
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
511 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
512 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
513
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
514 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
515 return NGX_OK;
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
516 }
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
517
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
518 if (p->free) {
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
519 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
520 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
521
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
522 } else {
76
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
523 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
524 }
76
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
525
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
526 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
527 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
528 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
529 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
530 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
531
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
532 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
533 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
534 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
535
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
536 return NGX_OK;
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
537 }
6127d7075471 nginx-0.0.1-2003-04-15-19:06:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 75
diff changeset
538
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
539
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
540 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
541 {
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
542 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
543
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
544 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
545 return;
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
546 }
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
547
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
548 h = hunk->shadow;
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
549
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
550 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
551 next = h->shadow;
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
552 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
553 h->shadow = NULL;
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
554 h = next;
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
555 }
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
556
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
557 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
558 |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
559 |NGX_HUNK_RECYCLED
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
560 |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
561 h->shadow = NULL;
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
562
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
563 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
564 }
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
565
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
566
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
567 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
568 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
569 {
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
570 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
571 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
572
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
573 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
574 return;
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
575 }
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
576
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
577 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
578 /* void */
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
579 }
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
580
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
581 ll = free;
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
582
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
583 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
584 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
585 *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
586 break;
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
587 }
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
588
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
589 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
590 break;
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
591 }
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
592
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
593 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
594 }
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
595 }
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
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
598 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
599 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
600 {
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
601 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
602 *chain = cl;
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
603 return;
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
604 }
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
605
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 147
diff changeset
606 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
607 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
608 (*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
609
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
610 } else {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
611 cl->next = (*chain);
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
612 (*chain) = cl;
147
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
613 }
be71fca7f9d7 nginx-0.0.1-2003-10-14-19:06:38 import
Igor Sysoev <igor@sysoev.ru>
parents: 146
diff changeset
614 }
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
615
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
616
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
617 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
618 {
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
619 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
620 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
621
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
622 for ( ;; ) {
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
623 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
624 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
625
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
626 } 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
627 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
628
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
629 } 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
630 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
631
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
632 } else {
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
633 return NGX_OK;
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
634 }
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
635
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
636 while (cl) {
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
637 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
638 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
639 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
640 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
641 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
642 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
643
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
644 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
645 }
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
646
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
647 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
648 tl = cl->next;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
649 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
650 p->free = cl;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 154
diff changeset
651 cl = tl;
152
fb48bf4fea1c nginx-0.0.1-2003-10-21-11:47:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 151
diff changeset
652 }
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 }