simplify internal redirects (#125)

* simplify internal redirects

* missing comma

* another missing comma

kamailio/default.cfg

@@ -756,13 +756,9 @@ failure_route[INTERNAL_FAULT]
 
     # Handle redirects
     if (t_check_status("302")) {
-        $var(redirect) = @from.uri.user + "@" + @from.uri.host + "->"
-                + $T_rpl($(ct{tobody.user})) + "@" + $T_rpl($(ct{tobody.host}));
         if($T_rpl($hdr(X-Redirect-Server)) != $null) {
-            $sht(redirects=>$var(redirect)) = $T_rpl($hdr(X-Redirect-Server));
-            xlog("L_INFO", "$ci|log|stored redirect mapping $var(redirect) to $T_rpl($hdr(X-Redirect-Server))\n");
+           route(INTERNAL_REDIRECT);
         }
-        route(INTERNAL_REDIRECT);
     } else if (!t_check_status("407") &&
                $avp(AVP_REDIRECT_KEY) != $null &&
                $sht(redirects=>$avp(AVP_REDIRECT_KEY)) != $null
@@ -809,24 +805,17 @@ failure_route[INTERNAL_FAULT]
 
 route[INTERNAL_REDIRECT]
 {
-    $var(ds_group) = 1;
-    $var(contact_uri) = $(ct{tobody.user}) + "@" + $(ct{tobody.host});
-    $var(redirect) = @from.uri.user + "@" + @from.uri.host + "->"
-        + @ruri.user + "@" + @ruri.host;
-    if ($sht(redirects=>$var(redirect)) != $null) {
-        $var(prefered_route) = $sht(redirects=>$var(redirect));
-        xlog("L_INFO", "$ci|log|found redirect for $var(redirect) : $var(prefered_route)\n");
-        $du = $var(prefered_route);
-        $avp(AVP_REDIRECT_KEY) = $var(redirect);
-        t_on_branch("MANAGE_BRANCH");
-        t_on_reply("INTERNAL_REPLY");
-        t_on_failure("INTERNAL_FAULT");
-        t_set_fr(0, 1000);
-        t_relay();
-        exit();
-    }
+    xlog("L_INFO", "$ci|log|redirect to $T_rpl($hdr(X-Redirect-Server))\n");
+    $du = $T_rpl($hdr(X-Redirect-Server));
+    t_on_branch("MANAGE_BRANCH");
+    t_on_reply("INTERNAL_REPLY");
+    t_on_failure("INTERNAL_FAULT");
+    t_set_fr(0, 1000);
+    t_relay();
+    exit();
 }
 
+
 onsend_route {
     if (isflagset(FLAG_ASSOCIATE_USER) && is_request()) {
         $var(user_source) = $(ct{tobody.user}) + "@" + $si + ":" + $sp;