[asterisk-commits] oej: branch oej/sip-max-forwards-1.4 r295359 - /team/oej/sip-max-forwards-1.4...

[SVN commits to the Asterisk project]

Author: oej
Date: Wed Nov 17 07:30:54 2010
New Revision: 295359

URL: http://svnview.digium.com/svn/asterisk?view=rev&rev=295359
Log:
Backporting patch to forward ported patch makes me dizzy. Forward port dizzyness.

Modified:
    team/oej/sip-max-forwards-1.4/channels/chan_sip.c

Modified: team/oej/sip-max-forwards-1.4/channels/chan_sip.c
URL: http://svnview.digium.com/svn/asterisk/team/oej/sip-max-forwards-1.4/channels/chan_sip.c?view=diff&rev=295359&r1=295358&r2=295359
==============================================================================
--- team/oej/sip-max-forwards-1.4/channels/chan_sip.c (original)
+++ team/oej/sip-max-forwards-1.4/channels/chan_sip.c Wed Nov 17 07:30:54 2010
@@ -3298,6 +3298,9 @@
 		} else if (!strcasecmp(ast_var_name(current), "SIPTRANSFER_REPLACES")) {
 			/* We're replacing a call. */
 			p->options->replaces = ast_var_value(current);
+		} else if (!strcasecmp(ast_var_name(current), "SIP_MAX_FORWards")) {
+			/* The anti-loop variable setting */
+			p->maxforwards = atoi(ast_var_value(current));
 		}
 	}
 	
@@ -6237,25 +6240,9 @@
 static int add_header_max_forwards(struct sip_pvt *dialog, struct sip_request *req)
 {
 	char clen[10];
-	const char *max = NULL;
-
-	/* deadlock avoidance */
-	while (dialog->owner && ast_channel_trylock(dialog->owner)) {
-		ast_mutex_unlock(&dialog->lock);
-		usleep(1);
-		ast_mutex_lock(&dialog->lock);
-	}
-
-	if (dialog->owner) {
- 		max = pbx_builtin_getvar_helper(dialog->owner, "SIP_MAX_FORWARDS");
-		ast_channel_unlock(dialog->owner);
-	}
-
-	/* The channel variable overrides the peer/channel value */
-	if (max == NULL) {
-		snprintf(clen, sizeof(clen), "%d", dialog->maxforwards);
-	}
-	return add_header(req, "Max-Forwards", max != NULL ? max : clen);
+
+	snprintf(clen, sizeof(clen), "%d", dialog->maxforwards);
+	return add_header(req, "Max-Forwards", clen);
 }
 
 /*! \brief Add 'Content-Length' header to SIP message */