Prevent automagic things from happening to Stasis application bridges

This prevents swap optimization, merges, and transfers involving Stasis
application bridges. It wouldn't be nice if the bridge you thought you
owned disappeared from under you.

Reported-by: Richard Mudgett


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@396722 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/res_stasis.c

@@ -442,12 +442,15 @@ static void control_unlink(struct stasis_app_control *control)
 struct ast_bridge *stasis_app_bridge_create(const char *type)
 {
 	struct ast_bridge *bridge;
-	int capabilities, flags = 0;
+	int capabilities, flags = AST_BRIDGE_FLAG_MERGE_INHIBIT_FROM | AST_BRIDGE_FLAG_MERGE_INHIBIT_TO
+		| AST_BRIDGE_FLAG_SWAP_INHIBIT_FROM | AST_BRIDGE_FLAG_SWAP_INHIBIT_TO
+		| AST_BRIDGE_FLAG_TRANSFER_PROHIBITED;
+
 	if (ast_strlen_zero(type) || !strcmp(type, "mixing")) {
 		capabilities = AST_BRIDGE_CAPABILITY_1TO1MIX |
 			AST_BRIDGE_CAPABILITY_MULTIMIX |
 			AST_BRIDGE_CAPABILITY_NATIVE;
-		flags = AST_BRIDGE_FLAG_SMART;
+		flags |= AST_BRIDGE_FLAG_SMART;
 	} else if (!strcmp(type, "holding")) {
 		capabilities = AST_BRIDGE_CAPABILITY_HOLDING;
 	} else {