From 9e0f30c58b267278db1437b67b266d365a684770 Mon Sep 17 00:00:00 2001
From: Chris Rienzo <chris.rienzo@citrix.com>
Date: Thu, 19 Nov 2015 17:10:15 -0500
Subject: [PATCH] FS-8560 [mod_http_cache] add new parameter, connect-timeout
 This is the maximum time to wait, in seconds, for the HTTP GET or PUT to
 connect. If this value is not set or is set to 0, the default setting of 300
 seconds is used.

---
 .../conf/autoload_configs/http_cache.conf.xml   |  2 ++
 .../mod_http_cache/mod_http_cache.c             | 17 +++++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/src/mod/applications/mod_http_cache/conf/autoload_configs/http_cache.conf.xml b/src/mod/applications/mod_http_cache/conf/autoload_configs/http_cache.conf.xml
index a5c3f46c76..3cb24348c6 100644
--- a/src/mod/applications/mod_http_cache/conf/autoload_configs/http_cache.conf.xml
+++ b/src/mod/applications/mod_http_cache/conf/autoload_configs/http_cache.conf.xml
@@ -8,6 +8,8 @@
     <param name="ssl-cacert" value="$${base_dir}/conf/cacert.pem"/>
     <param name="ssl-verifyhost" value="true"/>
     <param name="ssl-verifypeer" value="true"/>
+    <!-- default is 300 seconds, override here -->
+    <!--param name="connect-timeout" value="300"/>
   </settings>
 
   <profiles>
diff --git a/src/mod/applications/mod_http_cache/mod_http_cache.c b/src/mod/applications/mod_http_cache/mod_http_cache.c
index 5eb9b1059c..60ed37dd25 100644
--- a/src/mod/applications/mod_http_cache/mod_http_cache.c
+++ b/src/mod/applications/mod_http_cache/mod_http_cache.c
@@ -199,6 +199,8 @@ struct url_cache {
 	int ssl_verifyhost;
 	/** True if http/https file formats should be loaded */
 	int enable_file_formats;
+	/** How long to wait, in seconds, for TCP connection.  If 0, use default value of 300 seconds */
+	long connect_timeout;
 };
 static url_cache_t gcache;
 
@@ -326,6 +328,9 @@ static switch_status_t http_put(url_cache_t *cache, http_profile_t *profile, swi
 	switch_curl_easy_setopt(curl_handle, CURLOPT_FOLLOWLOCATION, 1);
 	switch_curl_easy_setopt(curl_handle, CURLOPT_MAXREDIRS, 10);
 	switch_curl_easy_setopt(curl_handle, CURLOPT_USERAGENT, "freeswitch-http-cache/1.0");
+	if (cache->connect_timeout > 0) {
+		switch_curl_easy_setopt(curl_handle, CURLOPT_CONNECTTIMEOUT, cache->connect_timeout);
+	}
 	if (!cache->ssl_verifypeer) {
 		switch_curl_easy_setopt(curl_handle, CURLOPT_SSL_VERIFYPEER, 0L);
 	} else {
@@ -1075,6 +1080,9 @@ static switch_status_t http_get(url_cache_t *cache, http_profile_t *profile, cac
 		switch_curl_easy_setopt(curl_handle, CURLOPT_HEADERFUNCTION, get_header_callback);
 		switch_curl_easy_setopt(curl_handle, CURLOPT_WRITEHEADER, (void *) url);
 		switch_curl_easy_setopt(curl_handle, CURLOPT_USERAGENT, "freeswitch-http-cache/1.0");
+		if (cache->connect_timeout > 0) {
+			switch_curl_easy_setopt(curl_handle, CURLOPT_CONNECTTIMEOUT, cache->connect_timeout);
+		}
 		if (!cache->ssl_verifypeer) {
 			switch_curl_easy_setopt(curl_handle, CURLOPT_SSL_VERIFYPEER, 0L);
 		} else {
@@ -1477,6 +1485,7 @@ static switch_status_t do_config(url_cache_t *cache)
 	cache->ssl_verifyhost = 1;
 	cache->ssl_verifypeer = 1;
 	cache->enable_file_formats = 0;
+	cache->connect_timeout = 0;
 
 	/* get params */
 	settings = switch_xml_child(cfg, "settings");
@@ -1513,6 +1522,9 @@ static switch_status_t do_config(url_cache_t *cache)
 			} else if (!strcasecmp(var, "ssl-verifypeer")) {
 				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Setting ssl-verifypeer to %s\n", val);
 				cache->ssl_verifypeer = !switch_false(val); /* only disable if explicitly set to false */
+			} else if (!strcasecmp(var, "connect-timeout")) {
+				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Setting connect-timeout to %s\n", val);
+				cache->connect_timeout = atoi(val);
 			} else {
 				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Unsupported param: %s\n", var);
 			}
@@ -1623,6 +1635,11 @@ static switch_status_t do_config(url_cache_t *cache)
 		status = SWITCH_STATUS_TERM;
 		goto done;
 	}
+	if (cache->connect_timeout < 0) {
+		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "connect-timeout must be >= 0\n");
+		status = SWITCH_STATUS_TERM;
+		goto done;
+	}
 
 	cache->max_url = max_urls;
 	cache->default_max_age = (default_max_age_sec * 1000 * 1000); /* convert from seconds to nanoseconds */