From bd65dc6ba7513d1fb60c1de3e6a1a14ce0458159 Mon Sep 17 00:00:00 2001
From: Michael Kirk <michael.code@endoftheworl.de>
Date: Wed, 11 Jan 2017 23:21:25 +0000
Subject: [PATCH] Fallback TURN servers if we can't get them from the server
 for some reason

// FREEBIE
---
 Signal/src/call/CallService.swift | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Signal/src/call/CallService.swift b/Signal/src/call/CallService.swift
index add7791e4..92c2c3f96 100644
--- a/Signal/src/call/CallService.swift
+++ b/Signal/src/call/CallService.swift
@@ -817,6 +817,11 @@ fileprivate let timeoutSeconds = 60
                     return RTCIceServer(urlStrings: [url])
                 }
             } + [CallService.fallbackIceServer]
+        }.recover { error -> [RTCIceServer] in
+            Logger.error("\(self.TAG) fetching ICE servers failed with error: \(error)")
+            Logger.warn("\(self.TAG) using fallback ICE Servers")
+
+            return [CallService.fallbackIceServer]
         }
     }