From 2d97208b492cdc1a0db650484a338de450acf608 Mon Sep 17 00:00:00 2001
From: Anthony Minessale <anthony.minessale@gmail.com>
Date: Wed, 20 May 2009 20:51:35 +0000
Subject: [PATCH] add proxy-follow-redirect flag (experimental)

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13402 d0543943-73ff-0310-b7d9-9358b9ac24b2
---
 src/mod/endpoints/mod_sofia/mod_sofia.h  | 2 ++
 src/mod/endpoints/mod_sofia/sofia.c      | 6 ++++++
 src/mod/endpoints/mod_sofia/sofia_glue.c | 3 ++-
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/mod/endpoints/mod_sofia/mod_sofia.h b/src/mod/endpoints/mod_sofia/mod_sofia.h
index 2df89939c3..5143e0a93d 100644
--- a/src/mod/endpoints/mod_sofia/mod_sofia.h
+++ b/src/mod/endpoints/mod_sofia/mod_sofia.h
@@ -191,6 +191,7 @@ typedef enum {
 	PFLAG_AUTOFIX_TIMING,
 	PFLAG_MESSAGE_QUERY_ON_REGISTER,
 	PFLAG_RTP_AUTOFLUSH_DURING_BRIDGE,
+	PFLAG_PROXY_FOLLOW_REDIRECT,
 	/* No new flags below this line */
 	PFLAG_MAX
 } PFLAGS;
@@ -559,6 +560,7 @@ struct private_object {
 	char *record_route;
 	char *extrtpip;
 	char *stun_ip;
+	char *route_uri;
 	switch_port_t stun_port;
 	uint32_t stun_flags;
 	unsigned long rm_rate;
diff --git a/src/mod/endpoints/mod_sofia/sofia.c b/src/mod/endpoints/mod_sofia/sofia.c
index 13e18051a3..035261c644 100644
--- a/src/mod/endpoints/mod_sofia/sofia.c
+++ b/src/mod/endpoints/mod_sofia/sofia.c
@@ -2897,6 +2897,12 @@ static void sofia_handle_sip_r_invite(switch_core_session_t *session, int status
 			sip_contact_t * p_contact = sip->sip_contact;
 			int i = 0;
 			char var_name[80];	
+			
+			if (tech_pvt->route_uri && p_contact && p_contact->m_url) {
+				tech_pvt->route_uri = switch_core_session_strdup(tech_pvt->session, (const char *) p_contact->m_url);
+				nua_set_hparams(tech_pvt->nh, NUTAG_PROXY(tech_pvt->route_uri));
+			}
+
 
 			while (p_contact) {
 				if (p_contact->m_url) {
diff --git a/src/mod/endpoints/mod_sofia/sofia_glue.c b/src/mod/endpoints/mod_sofia/sofia_glue.c
index 38274684b0..8e9b6c7da0 100644
--- a/src/mod/endpoints/mod_sofia/sofia_glue.c
+++ b/src/mod/endpoints/mod_sofia/sofia_glue.c
@@ -1597,6 +1597,7 @@ switch_status_t sofia_glue_do_invite(switch_core_session_t *session)
 
 	if (route_uri) {
 		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s Setting proxy route to %s\n", route_uri, switch_channel_get_name(channel));
+		tech_pvt->route_uri = switch_core_session_strdup(tech_pvt->session, route_uri);
 	}
 
 	nua_invite(tech_pvt->nh,
@@ -1609,7 +1610,7 @@ switch_status_t sofia_glue_do_invite(switch_core_session_t *session)
 			   TAG_IF(!switch_strlen_zero(alert_info), SIPTAG_HEADER_STR(alert_info)),
 			   TAG_IF(!switch_strlen_zero(extra_headers), SIPTAG_HEADER_STR(extra_headers)),
 			   TAG_IF(!switch_strlen_zero(max_forwards), SIPTAG_MAX_FORWARDS_STR(max_forwards)),
-			   TAG_IF(route_uri, NUTAG_PROXY(route_uri)),
+			   TAG_IF(tech_pvt->route_uri, NUTAG_PROXY(tech_pvt->route_uri)),
 			   TAG_IF(route, SIPTAG_ROUTE_STR(route)),
 			   TAG_IF(!switch_strlen_zero(sendto), NUTAG_PROXY(sendto)),
 			   SOATAG_ADDRESS(tech_pvt->adv_sdp_audio_ip),