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Add canon_handler for load balancer so that we have

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query string passed to remote.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@160675 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Mladen Turk
2005-04-09 10:12:01 +00:00
parent 86efa87d70
commit 76efadaa27
1 changed files with 52 additions and 0 deletions
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52
modules/proxy/mod_proxy_balancer.c
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@@ -24,6 +24,57 @@
module AP_MODULE_DECLARE_DATA proxy_balancer_module;
static int proxy_balancer_canon(request_rec *r, char *url)
{
char *host, *path, *search;
const char *err;
const char *scheme;
apr_port_t port = 0;
if (strncasecmp(url, "balancer:", 9) == 0) {
url += 9;
scheme = "balancer";
}
else {
return DECLINED;
}
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"proxy: BALANCER: canonicalising URL %s", url);
/* do syntatic check.
* We break the URL into host, port, path, search
*/
err = ap_proxy_canon_netloc(r->pool, &url, NULL, NULL, &host, &port);
if (err) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
"error parsing URL %s: %s",
url, err);
return HTTP_BAD_REQUEST;
}
/* now parse path/search args, according to rfc1738 */
/* N.B. if this isn't a true proxy request, then the URL _path_
* has already been decoded. True proxy requests have r->uri
* == r->unparsed_uri, and no others have that property.
*/
if (r->uri == r->unparsed_uri) {
search = strchr(url, '?');
if (search != NULL)
*(search++) = '\0';
}
else
search = r->args;
/* process path */
path = ap_proxy_canonenc(r->pool, url, strlen(url), enc_path, 0, r->proxyreq);
if (path == NULL)
return HTTP_BAD_REQUEST;
r->filename = apr_pstrcat(r->pool, "proxy:", scheme, "://", host,
"/", path, (search) ? "?" : "", (search) ? search : "", NULL);
return OK;
}
static int init_balancer_members(proxy_server_conf *conf, server_rec *s,
proxy_balancer *balancer)
{
@@ -824,6 +875,7 @@ static void ap_proxy_balancer_register_hook(apr_pool_t *p)
ap_hook_child_init(child_init, aszPred, NULL, APR_HOOK_MIDDLE);
proxy_hook_pre_request(proxy_balancer_pre_request, NULL, NULL, APR_HOOK_FIRST);
proxy_hook_post_request(proxy_balancer_post_request, NULL, NULL, APR_HOOK_FIRST);
proxy_hook_canon_handler(proxy_balancer_canon, NULL, NULL, APR_HOOK_FIRST);
}
module AP_MODULE_DECLARE_DATA proxy_balancer_module = {