Mercurial > hg > nginx
annotate src/http/ngx_http_write_filter.c @ 26:53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Sun, 15 Dec 2002 06:25:09 +0000 |
parents | 77c7629a2627 |
children | 59e7c7f30d49 |
rev | line source |
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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_hunk.h> |
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5 #include <ngx_event_write.h> |
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6 #include <ngx_http.h> |
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7 #include <ngx_http_config.h> |
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8 #include <ngx_http_output_filter.h> |
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9 #include <ngx_http_write_filter.h> |
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12 int ngx_http_write_filter(ngx_http_request_t *r, ngx_chain_t *in); |
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13 |
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14 static void *ngx_http_write_filter_create_conf(ngx_pool_t *pool); |
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17 static ngx_command_t ngx_http_write_filter_commands[] = { |
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18 |
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19 {"write_buffer", ngx_conf_set_size_slot, |
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20 offsetof(ngx_http_write_filter_conf_t, buffer_output), |
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21 NGX_HTTP_LOC_CONF, NGX_CONF_TAKE1, |
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22 "set write filter size to buffer output"}, |
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23 |
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24 {NULL} |
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25 |
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26 }; |
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28 |
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29 ngx_http_module_t ngx_http_write_filter_module = { |
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30 NGX_HTTP_MODULE, |
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31 |
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32 NULL, /* create server config */ |
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33 ngx_http_write_filter_create_conf, /* create location config */ |
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34 ngx_http_write_filter_commands, /* module directives */ |
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35 |
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36 NULL, /* init module */ |
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37 NULL, /* translate handler */ |
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38 |
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39 NULL, /* output header filter */ |
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40 NULL, /* next output header filter */ |
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41 ngx_http_write_filter, /* output body filter */ |
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42 NULL, /* next output body filter */ |
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43 }; |
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44 |
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45 |
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46 int ngx_http_write_filter(ngx_http_request_t *r, ngx_chain_t *in) |
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47 { |
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48 int last; |
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nginx-0.0.1-2002-08-15-21:20:26 import
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49 off_t size, flush; |
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50 ngx_chain_t *ch, **prev, *chain; |
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51 ngx_http_write_filter_ctx_t *ctx; |
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52 ngx_http_write_filter_conf_t *conf; |
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53 |
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54 |
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55 ctx = (ngx_http_write_filter_ctx_t *) |
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56 ngx_get_module_ctx(r->main ? r->main : r, |
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57 ngx_http_write_filter_module); |
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58 if (ctx == NULL) |
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59 ngx_http_create_ctx(r, ctx, |
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60 ngx_http_write_filter_module, |
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61 sizeof(ngx_http_write_filter_ctx_t)); |
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62 |
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63 size = flush = 0; |
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64 last = 0; |
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65 prev = &ctx->out; |
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66 |
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67 /* find size, flush point and last link of saved chain */ |
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68 for (ch = ctx->out; ch; ch = ch->next) { |
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69 prev = &ch->next; |
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70 size += ch->hunk->last.file - ch->hunk->pos.file; |
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71 |
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72 ngx_log_debug(r->connection->log, "old chunk: %x " QX_FMT " " QD_FMT _ |
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73 ch->hunk->type _ ch->hunk->pos.file _ |
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74 ch->hunk->last.file - ch->hunk->pos.file); |
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75 |
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76 if (ch->hunk->type & (NGX_HUNK_FLUSH|NGX_HUNK_RECYCLED)) |
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77 flush = size; |
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78 |
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79 if (ch->hunk->type & NGX_HUNK_LAST) |
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80 last = 1; |
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81 } |
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82 |
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83 /* add new chain to existent one */ |
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84 for (/* void */; in; in = in->next) { |
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85 ngx_test_null(ch, ngx_palloc(r->pool, sizeof(ngx_chain_t)), NGX_ERROR); |
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86 |
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87 ch->hunk = in->hunk; |
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88 ch->next = NULL; |
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89 *prev = ch; |
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90 prev = &ch->next; |
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91 size += ch->hunk->last.file - ch->hunk->pos.file; |
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92 |
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93 ngx_log_debug(r->connection->log, "new chunk: %x " QX_FMT " " QD_FMT _ |
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94 ch->hunk->type _ ch->hunk->pos.file _ |
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95 ch->hunk->last.file - ch->hunk->pos.file); |
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96 |
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97 if (ch->hunk->type & (NGX_HUNK_FLUSH|NGX_HUNK_RECYCLED)) |
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98 flush = size; |
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99 |
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100 if (ch->hunk->type & NGX_HUNK_LAST) |
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101 last = 1; |
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nginx-0.0.1-2002-08-15-21:20:26 import
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parents:
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102 } |
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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103 |
9
6f58641241bb
nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
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104 conf = (ngx_http_write_filter_conf_t *) |
6f58641241bb
nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
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105 ngx_get_module_loc_conf(r->main ? r->main : r, |
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nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
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106 ngx_http_write_filter_module); |
6f58641241bb
nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
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107 |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
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108 ngx_log_debug(r->connection->log, "l:%d f:%d" _ last _ flush); |
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
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109 |
9
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nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
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110 if (!last && flush == 0 && size < conf->buffer_output) |
4
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
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111 return NGX_OK; |
1
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nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
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112 |
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
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113 chain = ngx_event_write(r->connection, ctx->out, flush); |
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
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114 if (chain == (ngx_chain_t *) -1) |
4
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
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115 return NGX_ERROR; |
1
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nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
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116 |
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
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117 ctx->out = chain; |
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
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118 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
4
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119 ngx_log_debug(r->connection->log, "write filter %x" _ chain); |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
4
diff
changeset
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120 |
4
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
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121 return (chain ? NGX_AGAIN : NGX_OK); |
1
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
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122 } |
9
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nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
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123 |
6f58641241bb
nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
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124 |
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nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
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125 static void *ngx_http_write_filter_create_conf(ngx_pool_t *pool) |
6f58641241bb
nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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126 { |
6f58641241bb
nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
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127 ngx_http_write_filter_conf_t *conf; |
6f58641241bb
nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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128 |
6f58641241bb
nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
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129 ngx_test_null(conf, |
10
4f3879d9b6f6
nginx-0.0.1-2002-09-11-19:18:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
9
diff
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130 ngx_palloc(pool, sizeof(ngx_http_write_filter_conf_t)), |
9
6f58641241bb
nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
8
diff
changeset
|
131 NULL); |
6f58641241bb
nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
8
diff
changeset
|
132 |
10
4f3879d9b6f6
nginx-0.0.1-2002-09-11-19:18:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
9
diff
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133 conf->buffer_output = NGX_CONF_UNSET; |
9
6f58641241bb
nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
8
diff
changeset
|
134 |
10
4f3879d9b6f6
nginx-0.0.1-2002-09-11-19:18:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
9
diff
changeset
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135 return conf; |
9
6f58641241bb
nginx-0.0.1-2002-09-07-14:14:25 import
Igor Sysoev <igor@sysoev.ru>
parents:
8
diff
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|
136 } |