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comparison src/http/modules/ngx_http_memcached_module.c @ 1076:2deb6d858c53

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$memcached_key
author Igor Sysoev <igor@sysoev.ru>
date Thu, 25 Jan 2007 08:45:41 +0000
parents a0310ac2814f
children 2d8e72584534
comparison
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1075:4d203f76b757 1076:2deb6d858c53
10 #include <ngx_http.h> 10 #include <ngx_http.h>
11 11
12 12
13 typedef struct { 13 typedef struct {
14 ngx_http_upstream_conf_t upstream; 14 ngx_http_upstream_conf_t upstream;
15 ngx_int_t index;
15 } ngx_http_memcached_loc_conf_t; 16 } ngx_http_memcached_loc_conf_t;
16 17
17 18
18 typedef struct { 19 typedef struct {
19 size_t rest; 20 size_t rest;
145 NULL, /* exit master */ 146 NULL, /* exit master */
146 NGX_MODULE_V1_PADDING 147 NGX_MODULE_V1_PADDING
147 }; 148 };
148 149
149 150
151 static ngx_str_t ngx_http_memcached_key = ngx_string("memcached_key");
152
153
150 #define NGX_HTTP_MEMCACHED_END (sizeof(ngx_http_memcached_end) - 1) 154 #define NGX_HTTP_MEMCACHED_END (sizeof(ngx_http_memcached_end) - 1)
151 static u_char ngx_http_memcached_end[] = CRLF "END" CRLF; 155 static u_char ngx_http_memcached_end[] = CRLF "END" CRLF;
152 156
153 157
154 static ngx_int_t 158 static ngx_int_t
219 223
220 224
221 static ngx_int_t 225 static ngx_int_t
222 ngx_http_memcached_create_request(ngx_http_request_t *r) 226 ngx_http_memcached_create_request(ngx_http_request_t *r)
223 { 227 {
224 size_t len; 228 size_t len;
225 ngx_buf_t *b; 229 ngx_buf_t *b;
226 ngx_chain_t *cl; 230 ngx_chain_t *cl;
227 ngx_http_memcached_ctx_t *ctx; 231 ngx_http_memcached_ctx_t *ctx;
228 232 ngx_http_variable_value_t *vv;
229 len = sizeof("get ") - 1 + r->uri.len + sizeof(" " CRLF) - 1; 233 ngx_http_memcached_loc_conf_t *mlcf;
230 if (r->args.len) { 234
231 len += 1 + r->args.len; 235 mlcf = ngx_http_get_module_loc_conf(r, ngx_http_memcached_module);
236
237 vv = ngx_http_get_indexed_variable(r, mlcf->index);
238
239 if (vv == NULL || vv->not_found || vv->len == 0) {
240 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
241 "the \"$memcached_key\" variable is not set");
242 return NGX_ERROR;
243 }
244
245 len = sizeof("get ") - 1 + vv->len + sizeof(" " CRLF) - 1;
246 if (vv->len) {
247 len += 1 + vv->len;
232 } 248 }
233 249
234 b = ngx_create_temp_buf(r->pool, len); 250 b = ngx_create_temp_buf(r->pool, len);
235 if (b == NULL) { 251 if (b == NULL) {
236 return NGX_ERROR; 252 return NGX_ERROR;
250 266
251 ctx = ngx_http_get_module_ctx(r, ngx_http_memcached_module); 267 ctx = ngx_http_get_module_ctx(r, ngx_http_memcached_module);
252 268
253 ctx->key.data = b->last; 269 ctx->key.data = b->last;
254 270
255 b->last = ngx_copy(b->last, r->uri.data, r->uri.len); 271 b->last = ngx_copy(b->last, vv->data, vv->len);
256
257 if (r->args.len) {
258 *b->last++ = '?';
259 b->last = ngx_copy(b->last, r->args.data, r->args.len);
260 }
261 272
262 ctx->key.len = b->last - ctx->key.data; 273 ctx->key.len = b->last - ctx->key.data;
263 274
264 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, 275 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
265 "http memcached request: \"%V\"", &ctx->key); 276 "http memcached request: \"%V\"", &ctx->key);
502 * conf->upstream.temp_path = NULL; 513 * conf->upstream.temp_path = NULL;
503 * conf->upstream.schema = { 0, NULL }; 514 * conf->upstream.schema = { 0, NULL };
504 * conf->upstream.uri = { 0, NULL }; 515 * conf->upstream.uri = { 0, NULL };
505 * conf->upstream.location = NULL; 516 * conf->upstream.location = NULL;
506 * 517 *
507 * conf->peers = NULL; 518 * conf->index = 0;
508 */ 519 */
509 520
510 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC; 521 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
511 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC; 522 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
512 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC; 523 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
602 613
603 if (clcf->name.data[clcf->name.len - 1] == '/') { 614 if (clcf->name.data[clcf->name.len - 1] == '/') {
604 clcf->auto_redirect = 1; 615 clcf->auto_redirect = 1;
605 } 616 }
606 617
618 lcf->index = ngx_http_get_variable_index(cf, &ngx_http_memcached_key);
619
620 if (lcf->index == NGX_ERROR) {
621 return NGX_CONF_ERROR;
622 }
623
607 return NGX_CONF_OK; 624 return NGX_CONF_OK;
608 } 625 }
609 626
610 627
611 static char * 628 static char *