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authorMladen Turk <mturk@apache.org>2006-07-25 18:50:07 +0200
committerMladen Turk <mturk@apache.org>2006-07-25 18:50:07 +0200
commit4fd2c57da015ee636ed7e5a4c627b0402cdf6ba8 (patch)
treefc3681eb04e3496554193ecf06fce6011bea7298 /modules/proxy/ajp_utils.c
parentAdd mod_authz_core module to the build. (diff)
downloadapache2-4fd2c57da015ee636ed7e5a4c627b0402cdf6ba8.tar.xz
apache2-4fd2c57da015ee636ed7e5a4c627b0402cdf6ba8.zip
Added cping/cpong support for the AJP protocol.
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@425454 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'modules/proxy/ajp_utils.c')
-rw-r--r--modules/proxy/ajp_utils.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/modules/proxy/ajp_utils.c b/modules/proxy/ajp_utils.c
new file mode 100644
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+++ b/modules/proxy/ajp_utils.c
@@ -0,0 +1,104 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ajp.h"
+
+/*
+ * Handle the CPING/CPONG
+ */
+apr_status_t ajp_handle_cping_cpong(apr_socket_t *sock,
+ request_rec *r,
+ apr_interval_time_t timeout)
+{
+ ajp_msg_t *msg;
+ apr_status_t rc;
+ apr_interval_time_t org;
+ apr_byte_t result;
+
+ ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
+ "Into ajp_handle_cping_cpong");
+
+ rc = ajp_msg_create(r->pool, &msg);
+ if (rc != APR_SUCCESS) {
+ ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
+ "ajp_handle_cping_cpong: ajp_msg_create failed");
+ return rc;
+ }
+
+ rc = ajp_msg_serialize_cping(msg);
+ if (rc != APR_SUCCESS) {
+ ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
+ "ajp_handle_cping_cpong: ajp_marshal_into_msgb failed");
+ return rc;
+ }
+
+ rc = ajp_ilink_send(sock, msg);
+ if (rc != APR_SUCCESS) {
+ ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
+ "ajp_handle_cping_cpong: ajp_ilink_send failed");
+ return rc;
+ }
+
+ rc = apr_socket_timeout_get(sock, &org);
+ if (rc != APR_SUCCESS) {
+ ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
+ "ajp_handle_cping_cpong: apr_socket_timeout_get failed");
+ return rc;
+ }
+
+ /* Set CPING/CPONG response timeout */
+ rc = apr_socket_timeout_set(sock, timeout);
+ if (rc != APR_SUCCESS) {
+ ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
+ "ajp_handle_cping_cpong: apr_socket_timeout_set failed");
+ return rc;
+ }
+ ajp_msg_reuse(msg);
+
+ /* Read CPONG reply */
+ rc = ajp_ilink_receive(sock, msg);
+ if (rc != APR_SUCCESS) {
+ ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
+ "ajp_handle_cping_cpong: ajp_ilink_receive failed");
+ return rc;
+ }
+
+ rc = ajp_msg_get_uint8(msg, &result);
+ if (rc != APR_SUCCESS) {
+ ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
+ "ajp_handle_cping_cpong: invalid CPONG message");
+ return rc;
+ }
+ if (result != CMD_AJP13_CPONG) {
+ ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
+ "ajp_handle_cping_cpong: awaited CPONG, received %d ",
+ result);
+ return APR_EGENERAL;
+
+ }
+
+ /* Restore original socket timeout */
+ rc = apr_socket_timeout_set(sock, org);
+ if (rc != APR_SUCCESS) {
+ ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
+ "ajp_handle_cping_cpong: apr_socket_timeout_set failed");
+ return rc;
+ }
+
+ ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
+ "ajp_handle_cping_cpong: Done");
+ return APR_SUCCESS;
+}