[asterisk-commits] russell: trunk r281533 - in /trunk: ./ channels/chan_sip.c

SVN commits to the Asterisk project asterisk-commits at lists.digium.com
Tue Aug 10 11:55:56 CDT 2010


Author: russell
Date: Tue Aug 10 11:55:50 2010
New Revision: 281533

URL: http://svnview.digium.com/svn/asterisk?view=rev&rev=281533
Log:
Merged revisions 281532 via svnmerge from 
https://origsvn.digium.com/svn/asterisk/branches/1.8

........
  r281532 | russell | 2010-08-10 11:54:20 -0500 (Tue, 10 Aug 2010) | 8 lines
  
  Ensure that the proper external address is used for the RTP destination.
  
  (closes issue #17044)
  Reported by: ebroad
  Tested by: ebroad
  
  Review: https://reviewboard.asterisk.org/r/566/
........

Modified:
    trunk/   (props changed)
    trunk/channels/chan_sip.c

Propchange: trunk/
------------------------------------------------------------------------------
Binary property 'branch-1.8-merged' - no diff available.

Modified: trunk/channels/chan_sip.c
URL: http://svnview.digium.com/svn/asterisk/trunk/channels/chan_sip.c?view=diff&rev=281533&r1=281532&r2=281533
==============================================================================
--- trunk/channels/chan_sip.c (original)
+++ trunk/channels/chan_sip.c Tue Aug 10 11:55:50 2010
@@ -10262,6 +10262,8 @@
 				  struct ast_sockaddr *taddr, struct ast_sockaddr *dest,
 				  struct ast_sockaddr *vdest, struct ast_sockaddr *tdest)
 {
+	int use_externip = 0;
+
 	/* First, get our address */
 	ast_rtp_instance_get_local_address(p->rtp, addr);
 	if (p->vrtp) {
@@ -10270,6 +10272,11 @@
 	if (p->trtp) {
 		ast_rtp_instance_get_local_address(p->trtp, taddr);
 	}
+
+	/* If our real IP differs from the local address returned by the RTP engine, use it. */
+	/* The premise is that if we are already using that IP to communicate with the client, */
+	/* we should be using it for RTP too. */
+        use_externip = ast_sockaddr_cmp_addr(&p->ourip, addr);
 
 	/* Now, try to figure out where we want them to send data */
 	/* Is this a re-invite to move the media out, then use the original offer from caller  */
@@ -10289,7 +10296,7 @@
 		 */
 		ast_sockaddr_copy(dest,
 				  !ast_sockaddr_isnull(&media_address) ? &media_address :
-				  !ast_sockaddr_is_any(addr)           ? addr           :
+				  !ast_sockaddr_is_any(addr) && !use_externip ? addr    :
 				  &p->ourip);
 		ast_sockaddr_set_port(dest, ast_sockaddr_port(addr));
 	}
@@ -10312,7 +10319,7 @@
 			 */
 			ast_sockaddr_copy(vdest,
 					  !ast_sockaddr_isnull(&media_address) ? &media_address :
-					  !ast_sockaddr_is_any(vaddr)          ? vaddr          :
+					  !ast_sockaddr_is_any(vaddr) && !use_externip ? vaddr  :
 					  &p->ourip);
 			ast_sockaddr_set_port(vdest, ast_sockaddr_port(vaddr));
 		}
@@ -10336,7 +10343,7 @@
 			 */
 			ast_sockaddr_copy(tdest,
 					  !ast_sockaddr_isnull(&media_address) ? &media_address  :
-					  !ast_sockaddr_is_any(taddr)          ? taddr           :
+					  !ast_sockaddr_is_any(taddr) && !use_externip ? taddr   :
 					  &p->ourip);
 			ast_sockaddr_set_port(tdest, ast_sockaddr_port(taddr));
 		}




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