Mercurial > hg > ngx_http_compose_filter_module

annotate ngx_http_compose_filter_module.c @ 7:88272d0f29f9

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Make sure upstream's status line won't be reused. Range filter may change status to 206 Partial Content, but if we got status line from upstream this won't have any effect on status sent to client. Clear r->status_line when enabling range filter.
author Maxim Dounin <mdounin@mdounin.ru>
date Sat, 20 Sep 2008 03:49:24 +0400
parents 27628b3310ab
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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0
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1
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2 /*
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3 * Copyright (C) Maxim Dounin
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4 */
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5
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6 #include <ngx_config.h>
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7 #include <ngx_core.h>
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8 #include <ngx_http.h>
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9
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10
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11 typedef struct {
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12 ngx_flag_t enable;
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13 } ngx_http_compose_conf_t;
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14
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15
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16 typedef struct {
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17 ngx_uint_t done;
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18 ngx_array_t parts;
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19 } ngx_http_compose_ctx_t;
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20
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21
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22 static void *ngx_http_compose_create_conf(ngx_conf_t *cf);
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23 static char *ngx_http_compose_merge_conf(ngx_conf_t *cf, void *parent,
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24 void *child);
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25 static ngx_int_t ngx_http_compose_init(ngx_conf_t *cf);
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26 static ngx_int_t ngx_http_compose_body_init(ngx_conf_t *cf);
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28
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29 static ngx_command_t ngx_http_compose_commands[] = {
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30
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31 { ngx_string("compose"),
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32 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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33 ngx_conf_set_flag_slot,
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34 NGX_HTTP_LOC_CONF_OFFSET,
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35 offsetof(ngx_http_compose_conf_t, enable),
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36 NULL },
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37
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38 ngx_null_command
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39 };
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40
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41
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42 static ngx_http_module_t ngx_http_compose_module_ctx = {
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43 NULL, /* preconfiguration */
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44 ngx_http_compose_init, /* postconfiguration */
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45
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46 NULL, /* create main configuration */
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47 NULL, /* init main configuration */
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48
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49 NULL, /* create server configuration */
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50 NULL, /* merge server configuration */
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51
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52 ngx_http_compose_create_conf, /* create location configuration */
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53 ngx_http_compose_merge_conf /* merge location configuration */
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54 };
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55
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56
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57 ngx_module_t ngx_http_compose_filter_module = {
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58 NGX_MODULE_V1,
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59 &ngx_http_compose_module_ctx, /* module context */
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60 ngx_http_compose_commands, /* module directives */
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61 NGX_HTTP_MODULE, /* module type */
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62 NULL, /* init master */
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63 NULL, /* init module */
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64 NULL, /* init process */
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65 NULL, /* init thread */
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66 NULL, /* exit thread */
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67 NULL, /* exit process */
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68 NULL, /* exit master */
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69 NGX_MODULE_V1_PADDING
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70 };
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71
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72
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73 static ngx_http_module_t ngx_http_compose_body_module_ctx = {
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74 NULL, /* preconfiguration */
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75 ngx_http_compose_body_init, /* postconfiguration */
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76
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77 NULL, /* create main configuration */
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78 NULL, /* init main configuration */
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79
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80 NULL, /* create server configuration */
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81 NULL, /* merge server configuration */
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82
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83 NULL, /* create location configuration */
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84 NULL /* merge location configuration */
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85 };
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86
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87
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88 ngx_module_t ngx_http_compose_body_filter_module = {
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89 NGX_MODULE_V1,
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90 &ngx_http_compose_body_module_ctx, /* module context */
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91 NULL, /* module directives */
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92 NGX_HTTP_MODULE, /* module type */
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93 NULL, /* init master */
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94 NULL, /* init module */
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95 NULL, /* init process */
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96 NULL, /* init thread */
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97 NULL, /* exit thread */
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98 NULL, /* exit process */
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99 NULL, /* exit master */
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100 NGX_MODULE_V1_PADDING
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101 };
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102
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103
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104 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
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105 static ngx_http_output_body_filter_pt ngx_http_next_body_filter;
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106
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107
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108 static ngx_int_t
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109 ngx_http_compose_header_filter(ngx_http_request_t *r)
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110 {
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111 off_t len;
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112 ngx_uint_t i;
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113 ngx_str_t *uri;
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114 ngx_list_part_t *part;
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115 ngx_table_elt_t *header;
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116 ngx_http_compose_conf_t *conf;
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117 ngx_http_compose_ctx_t *ctx;
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118
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119 conf = ngx_http_get_module_loc_conf(r, ngx_http_compose_filter_module);
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120
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121 if (!conf->enable) {
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122 return ngx_http_next_header_filter(r);
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123 }
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124
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125 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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126 "compose header filter");
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127
1
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128 /* create context */
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129
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130 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_compose_ctx_t));
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131 if (ctx == NULL) {
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132 return NGX_ERROR;
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133 }
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134
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135 if (ngx_array_init(&ctx->parts, r->pool, 1, sizeof(ngx_str_t))
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136 == NGX_ERROR)
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137 {
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138 return NGX_ERROR;
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139 }
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140
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141
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
142 /*
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
143 * Collect all X-Compose headers (or combined one?), store in context
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
144 * for our body filter to make actual subrequests. Hide them from the
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
145 * response.
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
146 */
ba5471a3c988 First working code, still in progress.
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parents: 0
diff changeset
147
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
148 part = &r->headers_out.headers.part;
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
149 header = part->elts;
6
27628b3310ab Better handle absence of controlling headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5
diff changeset
150 len = -1;
1
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
151
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
152 for (i = 0; /* void */; i++) {
ba5471a3c988 First working code, still in progress.
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parents: 0
diff changeset
153
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
154 if (i >= part->nelts) {
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
155 if (part->next == NULL) {
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
156 break;
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
157 }
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
158
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
159 part = part->next;
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
160 header = part->elts;
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
161 i = 0;
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
162 }
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
163
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
164 if (header[i].hash == 0) {
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
165 continue;
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
166 }
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
167
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
168 if (header[i].key.len == sizeof("X-Compose-Length") - 1
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
169 && ngx_strncasecmp(header[i].key.data, "X-Compose-Length",
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
170 sizeof("X-Compose-Length") - 1)
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
171 == 0)
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
172 {
5
fc206607251c Fix compilation without debug.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4
diff changeset
173 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
1
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
174 "compose body filter: bingo, %V, %V",
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
175 &header[i].key, &header[i].value);
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
176
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
177 header[i].hash = 0;
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parents: 0
diff changeset
178
6
27628b3310ab Better handle absence of controlling headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5
diff changeset
179 len = ngx_atoof(header[i].value.data, header[i].value.len);
1
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
180 }
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
181
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
182 if (header[i].key.len == sizeof("X-Compose") - 1
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
183 && ngx_strncasecmp(header[i].key.data, "X-Compose",
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
184 sizeof("X-Compose") - 1)
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
185 == 0)
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
186 {
5
fc206607251c Fix compilation without debug.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4
diff changeset
187 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
1
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
188 "compose body filter: bingo, %V, %V",
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
189 &header[i].key, &header[i].value);
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
190
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
191 header[i].hash = 0;
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
192
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
193 /*
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
194 * XXX multiple headers with the same name must be combinable,
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
195 * see RFC 2616 4.2 Message Headers
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
196 */
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parents: 0
diff changeset
197
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parents: 0
diff changeset
198 uri = ngx_array_push(&ctx->parts);
ba5471a3c988 First working code, still in progress.
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parents: 0
diff changeset
199 if (uri == NULL) {
ba5471a3c988 First working code, still in progress.
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parents: 0
diff changeset
200 return NGX_ERROR;
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
201 }
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
202
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
203 *uri = header[i].value;
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
204 }
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
205 }
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
206
6
27628b3310ab Better handle absence of controlling headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5
diff changeset
207 if (ctx->parts.nelts == 0) {
27628b3310ab Better handle absence of controlling headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5
diff changeset
208 return ngx_http_next_header_filter(r);
27628b3310ab Better handle absence of controlling headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5
diff changeset
209 }
27628b3310ab Better handle absence of controlling headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5
diff changeset
210
27628b3310ab Better handle absence of controlling headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5
diff changeset
211 r->headers_out.content_length_n = len;
27628b3310ab Better handle absence of controlling headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5
diff changeset
212
27628b3310ab Better handle absence of controlling headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5
diff changeset
213 if (r->headers_out.content_length) {
27628b3310ab Better handle absence of controlling headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5
diff changeset
214 r->headers_out.content_length->hash = 0;
27628b3310ab Better handle absence of controlling headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5
diff changeset
215 r->headers_out.content_length = NULL;
27628b3310ab Better handle absence of controlling headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5
diff changeset
216 }
1
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
217
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
218 ngx_http_set_ctx(r, ctx, ngx_http_compose_filter_module);
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
219
6
27628b3310ab Better handle absence of controlling headers.
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parents: 5
diff changeset
220 if (len != -1) {
27628b3310ab Better handle absence of controlling headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5
diff changeset
221 r->allow_ranges = 1;
27628b3310ab Better handle absence of controlling headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5
diff changeset
222 r->late_ranges = 1;
7
88272d0f29f9 Make sure upstream's status line won't be reused.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6
diff changeset
223 r->headers_out.status_line.len = 0;
6
27628b3310ab Better handle absence of controlling headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5
diff changeset
224
27628b3310ab Better handle absence of controlling headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5
diff changeset
225 } else {
27628b3310ab Better handle absence of controlling headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5
diff changeset
226 ngx_http_clear_accept_ranges(r);
27628b3310ab Better handle absence of controlling headers.
Maxim Dounin <mdounin@mdounin.ru>
parents: 5
diff changeset
227 }
4
37c6f2e0f278 Allow ranges and use new late_ranges functionality.
Maxim Dounin <mdounin@mdounin.ru>
parents: 2
diff changeset
228
0
6535d94ae07d Compose filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
229 return ngx_http_next_header_filter(r);
6535d94ae07d Compose filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
230 }
6535d94ae07d Compose filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
231
6535d94ae07d Compose filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
232
6535d94ae07d Compose filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
233 static ngx_int_t
6535d94ae07d Compose filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
234 ngx_http_compose_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
6535d94ae07d Compose filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
235 {
1
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
236 ngx_str_t *uri, args;
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
237 ngx_int_t rc;
2
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
238 ngx_uint_t i, flags, last;
1
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
239 ngx_http_request_t *sr;
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
240 ngx_http_compose_ctx_t *ctx;
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
241
0
6535d94ae07d Compose filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
242 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
6535d94ae07d Compose filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
243 "compose body filter");
6535d94ae07d Compose filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
244
1
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
245 ctx = ngx_http_get_module_ctx(r, ngx_http_compose_filter_module);
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
246
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
247 if (ctx == NULL) {
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
248 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
249 "compose body filter: no ctx");
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
250 return ngx_http_next_body_filter(r, in);
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
251 }
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
252
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
253 if (ctx->done) {
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
254 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
255 "compose body filter: done");
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
256 return ngx_http_next_body_filter(r, in);
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
257 }
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
258
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
259 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
260 "compose body filter, doing work");
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
261
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
262 /*
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
263 * Ignore body that comes to us, replace it with subrequests.
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
264 */
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
265
2
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
266 last = 0;
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
267
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
268 for ( ; in; in = in->next) {
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
269 in->buf->pos = in->buf->last;
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
270 if (in->buf->last_buf) {
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
271 last = 1;
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
272 in->buf->last_buf = 0;
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
273 }
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
274 }
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
275
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
276 if (!last) {
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
277 return NGX_OK;
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
278 }
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
279
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
280 ctx->done = 1;
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
281
1
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
282 uri = ctx->parts.elts;
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
283
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
284 for (i = 0; i < ctx->parts.nelts; i++) {
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
285
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
286 args.len = 0;
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
287 args.data = NULL;
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
288 flags = 0;
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289
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290 if (ngx_http_parse_unsafe_uri(r, &uri[i], &args, &flags) != NGX_OK) {
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291 return NGX_ERROR;
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292 }
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293
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294 rc = ngx_http_subrequest(r, &uri[i], &args, &sr, NULL, flags);
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295
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296 if (rc == NGX_ERROR || rc == NGX_DONE) {
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297 return rc;
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298 }
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299 }
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300
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301 return ngx_http_send_special(r, NGX_HTTP_LAST);
0
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302 }
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303
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304
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305 static void *
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306 ngx_http_compose_create_conf(ngx_conf_t *cf)
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307 {
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308 ngx_http_compose_conf_t *conf;
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309
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310 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_compose_conf_t));
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311 if (conf == NULL) {
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312 return NGX_CONF_ERROR;
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313 }
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314
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315 conf->enable = NGX_CONF_UNSET;
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316
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317 return conf;
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318 }
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319
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320
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321 static char *
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322 ngx_http_compose_merge_conf(ngx_conf_t *cf, void *parent, void *child)
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323 {
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324 ngx_http_compose_conf_t *prev = parent;
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325 ngx_http_compose_conf_t *conf = child;
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326
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327 ngx_conf_merge_value(conf->enable, prev->enable, 0);
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328
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329 return NGX_CONF_OK;
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330 }
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331
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332
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333 static ngx_int_t
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334 ngx_http_compose_init(ngx_conf_t *cf)
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335 {
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336 ngx_http_next_header_filter = ngx_http_top_header_filter;
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337 ngx_http_top_header_filter = ngx_http_compose_header_filter;
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338
1
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339 return NGX_OK;
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340 }
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341
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342
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343 static ngx_int_t
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344 ngx_http_compose_body_init(ngx_conf_t *cf)
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345 {
0
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346 ngx_http_next_body_filter = ngx_http_top_body_filter;
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347 ngx_http_top_body_filter = ngx_http_compose_body_filter;
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348
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349 return NGX_OK;
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350 }