Mercurial > hg > ngx_http_compose_filter_module

annotate ngx_http_compose_filter_module.c @ 5:fc206607251c

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Fix compilation without debug.
author Maxim Dounin <mdounin@mdounin.ru>
date Mon, 21 Jul 2008 05:34:36 +0400
parents 37c6f2e0f278
children 27628b3310ab
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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27
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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 {
1
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111 ngx_uint_t i;
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112 ngx_str_t *uri;
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113 ngx_list_part_t *part;
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114 ngx_table_elt_t *header;
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115 ngx_http_compose_conf_t *conf;
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116 ngx_http_compose_ctx_t *ctx;
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117
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118 conf = ngx_http_get_module_loc_conf(r, ngx_http_compose_filter_module);
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119
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120 if (!conf->enable) {
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121 return ngx_http_next_header_filter(r);
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122 }
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123
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124 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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125 "compose header filter");
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126
1
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127 /* create context */
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128
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129 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_compose_ctx_t));
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130 if (ctx == NULL) {
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131 return NGX_ERROR;
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132 }
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133
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134 if (ngx_array_init(&ctx->parts, r->pool, 1, sizeof(ngx_str_t))
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135 == NGX_ERROR)
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136 {
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137 return NGX_ERROR;
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138 }
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139
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140
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141 /*
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142 * Collect all X-Compose headers (or combined one?), store in context
ba5471a3c988 First working code, still in progress.
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parents: 0
diff changeset
143 * 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
144 * response.
ba5471a3c988 First working code, still in progress.
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parents: 0
diff changeset
145 */
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parents: 0
diff changeset
146
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parents: 0
diff changeset
147 part = &r->headers_out.headers.part;
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parents: 0
diff changeset
148 header = part->elts;
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parents: 0
diff changeset
149
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parents: 0
diff changeset
150 for (i = 0; /* void */; i++) {
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parents: 0
diff changeset
151
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
152 if (i >= part->nelts) {
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
153 if (part->next == NULL) {
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
154 break;
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
155 }
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
156
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
157 part = part->next;
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parents: 0
diff changeset
158 header = part->elts;
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parents: 0
diff changeset
159 i = 0;
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parents: 0
diff changeset
160 }
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parents: 0
diff changeset
161
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
162 if (header[i].hash == 0) {
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
163 continue;
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
164 }
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parents: 0
diff changeset
165
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
166 if (header[i].key.len == sizeof("X-Compose-Length") - 1
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
167 && 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
168 sizeof("X-Compose-Length") - 1)
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
169 == 0)
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parents: 0
diff changeset
170 {
5
fc206607251c Fix compilation without debug.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4
diff changeset
171 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
172 "compose body filter: bingo, %V, %V",
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
173 &header[i].key, &header[i].value);
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
174
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
175 header[i].hash = 0;
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parents: 0
diff changeset
176
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
177 r->headers_out.content_length_n = ngx_atoof(header[i].value.data,
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
178 header[i].value.len);
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parents: 0
diff changeset
179
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parents: 0
diff changeset
180 if (r->headers_out.content_length) {
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
181 r->headers_out.content_length->hash = 0;
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
182 r->headers_out.content_length = NULL;
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
183 }
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
184 }
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
185
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
186 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
187 && ngx_strncasecmp(header[i].key.data, "X-Compose",
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
188 sizeof("X-Compose") - 1)
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
189 == 0)
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
190 {
5
fc206607251c Fix compilation without debug.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4
diff changeset
191 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
192 "compose body filter: bingo, %V, %V",
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
193 &header[i].key, &header[i].value);
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
194
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parents: 0
diff changeset
195 header[i].hash = 0;
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parents: 0
diff changeset
196
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
197 /*
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
198 * XXX multiple headers with the same name must be combinable,
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
199 * see RFC 2616 4.2 Message Headers
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
200 */
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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 uri = ngx_array_push(&ctx->parts);
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
203 if (uri == NULL) {
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parents: 0
diff changeset
204 return NGX_ERROR;
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parents: 0
diff changeset
205 }
ba5471a3c988 First working code, still in progress.
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parents: 0
diff changeset
206
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
207 *uri = header[i].value;
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
208 }
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
209 }
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
210
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
211
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
212 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
213
4
37c6f2e0f278 Allow ranges and use new late_ranges functionality.
Maxim Dounin <mdounin@mdounin.ru>
parents: 2
diff changeset
214 r->allow_ranges = 1;
37c6f2e0f278 Allow ranges and use new late_ranges functionality.
Maxim Dounin <mdounin@mdounin.ru>
parents: 2
diff changeset
215 r->late_ranges = 1;
37c6f2e0f278 Allow ranges and use new late_ranges functionality.
Maxim Dounin <mdounin@mdounin.ru>
parents: 2
diff changeset
216
0
6535d94ae07d Compose filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
217 return ngx_http_next_header_filter(r);
6535d94ae07d Compose filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
218 }
6535d94ae07d Compose filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
219
6535d94ae07d Compose filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
220
6535d94ae07d Compose filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
221 static ngx_int_t
6535d94ae07d Compose filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
222 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
223 {
1
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parents: 0
diff changeset
224 ngx_str_t *uri, args;
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
225 ngx_int_t rc;
2
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
226 ngx_uint_t i, flags, last;
1
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
227 ngx_http_request_t *sr;
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Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
228 ngx_http_compose_ctx_t *ctx;
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
229
0
6535d94ae07d Compose filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
230 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
231 "compose body filter");
6535d94ae07d Compose filter module skeleton, currently does nothing.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
232
1
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
233 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
234
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
235 if (ctx == NULL) {
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
236 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
237 "compose body filter: no ctx");
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
238 return ngx_http_next_body_filter(r, in);
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
239 }
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
240
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
241 if (ctx->done) {
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
242 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
243 "compose body filter: done");
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
244 return ngx_http_next_body_filter(r, in);
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
245 }
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 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
248 "compose body filter, doing work");
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
249
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
250 /*
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
251 * 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
252 */
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
253
2
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
254 last = 0;
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
255
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
256 for ( ; in; in = in->next) {
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
257 in->buf->pos = in->buf->last;
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
258 if (in->buf->last_buf) {
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
259 last = 1;
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
260 in->buf->last_buf = 0;
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
261 }
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
262 }
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
263
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
264 if (!last) {
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
265 return NGX_OK;
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
266 }
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 ctx->done = 1;
ed63d0bd4d14 Correctly handle complex body filtering.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1
diff changeset
269
1
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
270 uri = ctx->parts.elts;
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
271
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
272 for (i = 0; i < ctx->parts.nelts; i++) {
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
273
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
274 args.len = 0;
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
275 args.data = NULL;
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
276 flags = 0;
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
277
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
278 if (ngx_http_parse_unsafe_uri(r, &uri[i], &args, &flags) != NGX_OK) {
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
279 return NGX_ERROR;
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
280 }
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
281
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
282 rc = ngx_http_subrequest(r, &uri[i], &args, &sr, NULL, flags);
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 if (rc == NGX_ERROR || rc == NGX_DONE) {
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
285 return rc;
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
286 }
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
287 }
ba5471a3c988 First working code, still in progress.
Maxim Dounin <mdounin@mdounin.ru>
parents: 0
diff changeset
288
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289 return ngx_http_send_special(r, NGX_HTTP_LAST);
0
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290 }
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291
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292
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293 static void *
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294 ngx_http_compose_create_conf(ngx_conf_t *cf)
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295 {
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296 ngx_http_compose_conf_t *conf;
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297
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298 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_compose_conf_t));
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299 if (conf == NULL) {
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300 return NGX_CONF_ERROR;
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301 }
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302
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303 conf->enable = NGX_CONF_UNSET;
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304
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305 return conf;
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306 }
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307
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308
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309 static char *
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310 ngx_http_compose_merge_conf(ngx_conf_t *cf, void *parent, void *child)
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311 {
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312 ngx_http_compose_conf_t *prev = parent;
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313 ngx_http_compose_conf_t *conf = child;
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314
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315 ngx_conf_merge_value(conf->enable, prev->enable, 0);
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316
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317 return NGX_CONF_OK;
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318 }
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319
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320
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321 static ngx_int_t
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322 ngx_http_compose_init(ngx_conf_t *cf)
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323 {
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324 ngx_http_next_header_filter = ngx_http_top_header_filter;
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325 ngx_http_top_header_filter = ngx_http_compose_header_filter;
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326
1
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327 return NGX_OK;
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328 }
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329
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330
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331 static ngx_int_t
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332 ngx_http_compose_body_init(ngx_conf_t *cf)
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333 {
0
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334 ngx_http_next_body_filter = ngx_http_top_body_filter;
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335 ngx_http_top_body_filter = ngx_http_compose_body_filter;
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336
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337 return NGX_OK;
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338 }