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Add ap_proxy_pre_request API function.

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It calls the actual module pre_request hook if present

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104578 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
William A. Rowe Jr
2004-08-11 22:00:47 +00:00
parent 7063433b15
commit f9596ca564
2 changed files with 45 additions and 2 deletions
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6
modules/proxy/mod_proxy.h
View File

@@ -249,11 +249,13 @@ struct proxy_balancer {
#endif #endif
}; };
/* data structure for set/get module_config */ /* per connection data structure for set/get module_config */
typedef struct { typedef struct {
char *url; /* rewtitten url */ char *url; /* rewtitten url */
struct proxy_balancer *balancer; /* load balancer to use */ struct proxy_balancer *balancer; /* load balancer to use */
proxy_worker *worker; /* most suitable worker */ proxy_worker *worker; /* most suitable worker */
proxy_conn_rec *conn_rec;
proxy_conn *conn;
void *opaque; /* module private data */ void *opaque; /* module private data */
} proxy_module_conf; } proxy_module_conf;
@@ -350,7 +352,7 @@ PROXY_DECLARE(const char *) ap_proxy_add_worker(proxy_worker **worker, apr_pool_
PROXY_DECLARE(struct proxy_balancer *) ap_proxy_get_balancer(apr_pool_t *p, proxy_server_conf *conf, const char *url); PROXY_DECLARE(struct proxy_balancer *) ap_proxy_get_balancer(apr_pool_t *p, proxy_server_conf *conf, const char *url);
PROXY_DECLARE(const char *) ap_proxy_add_balancer(struct proxy_balancer **balancer, apr_pool_t *p, proxy_server_conf *conf, const char *url); PROXY_DECLARE(const char *) ap_proxy_add_balancer(struct proxy_balancer **balancer, apr_pool_t *p, proxy_server_conf *conf, const char *url);
PROXY_DECLARE(void) ap_proxy_add_worker_to_balancer(struct proxy_balancer *balancer, proxy_worker *worker); PROXY_DECLARE(void) ap_proxy_add_worker_to_balancer(struct proxy_balancer *balancer, proxy_worker *worker);
PROXY_DECLARE(int) ap_proxy_pre_request(proxy_worker **worker, struct proxy_balancer **balancer, request_rec *r, proxy_server_conf *conf, char **url);
/* For proxy_util */ /* For proxy_util */
extern module PROXY_DECLARE_DATA proxy_module; extern module PROXY_DECLARE_DATA proxy_module;

41
modules/proxy/proxy_util.c
View File

@@ -1192,6 +1192,47 @@ ap_proxy_add_worker_to_balancer(struct proxy_balancer *balancer, proxy_worker *w
} }
PROXY_DECLARE(int) ap_proxy_pre_request(proxy_worker **worker,
struct proxy_balancer **balancer,
request_rec *r,
proxy_server_conf *conf, char **url)
{
int access_status;
access_status = proxy_run_pre_request(worker, balancer, r, conf, url);
if (access_status == DECLINED && *balancer == NULL) {
*worker = ap_proxy_get_worker(r->pool, conf, *url);
if (*worker) {
*balancer = NULL;
access_status = OK;
}
else
access_status = DECLINED;
}
else if (access_status == DECLINED && balancer != NULL) {
/* All the workers are busy */
access_status = HTTP_SERVICE_UNAVAILABLE;
}
return access_status;
}
PROXY_DECLARE(int) ap_proxy_post_request(proxy_worker *worker,
struct proxy_balancer *balancer,
request_rec *r,
proxy_server_conf *conf)
{
int access_status;
if (balancer)
access_status = proxy_run_post_request(worker, balancer, r, conf);
else {
access_status = OK;
}
return access_status;
}
PROXY_DECLARE(int) ap_proxy_connect_to_backend(apr_socket_t **newsock, PROXY_DECLARE(int) ap_proxy_connect_to_backend(apr_socket_t **newsock,
const char *proxy_function, const char *proxy_function,
apr_sockaddr_t *backend_addr, apr_sockaddr_t *backend_addr,