[asterisk-commits] mnicholson: branch 1.6.2 r273271 - in /branches/1.6.2: ./ main/manager.c

SVN commits to the Asterisk project asterisk-commits at lists.digium.com
Wed Jun 30 13:50:16 CDT 2010


Author: mnicholson
Date: Wed Jun 30 13:50:12 2010
New Revision: 273271

URL: http://svnview.digium.com/svn/asterisk?view=rev&rev=273271
Log:
Merged revisions 273270 via svnmerge from 
https://origsvn.digium.com/svn/asterisk/trunk

........
  r273270 | mnicholson | 2010-06-30 13:48:21 -0500 (Wed, 30 Jun 2010) | 2 lines
  
  Set TCP_NODELAY on manager TCP sockets to prevent delays on outgoing packets.  This regression was introduced in r48338.
........

Modified:
    branches/1.6.2/   (props changed)
    branches/1.6.2/main/manager.c

Propchange: branches/1.6.2/
------------------------------------------------------------------------------
Binary property 'trunk-merged' - no diff available.

Modified: branches/1.6.2/main/manager.c
URL: http://svnview.digium.com/svn/asterisk/branches/1.6.2/main/manager.c?view=diff&rev=273271&r1=273270&r2=273271
==============================================================================
--- branches/1.6.2/main/manager.c (original)
+++ branches/1.6.2/main/manager.c Wed Jun 30 13:50:12 2010
@@ -3210,9 +3210,24 @@
 	struct mansession s = {.session = NULL, };
 	int flags;
 	int res;
+ 	struct protoent *p;
 
 	if (session == NULL)
 		goto done;
+
+	/* XXX here we set TCP_NODELAY on the socket to disable Nagle's
+	 * algorithm.  A better solution might be to buffer outgoing messages
+	 * until they are complete then write them to the socket in one burst
+	 * rather than sending them in bits and pieces. */
+ 	p = getprotobyname("tcp");
+ 	if (p) {
+ 		int arg = 1;
+ 		if( setsockopt(ser->fd, p->p_proto, TCP_NODELAY, (char *)&arg, sizeof(arg) ) < 0 ) {
+ 			ast_log(LOG_WARNING, "Failed to set manager tcp connection to TCP_NODELAY mode: %s\nSome manager actions may be slow to respond.\n", strerror(errno));
+ 		}
+ 	} else {
+ 		ast_log(LOG_WARNING, "Failed to set manager tcp connection to TCP_NODELAY, getprotobyname(\"tcp\") failed\nSome manager actions may be slow to respond.\n");
+ 	}
 
 	session->writetimeout = 100;
 	session->waiting_thread = AST_PTHREADT_NULL;




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