From f70201610bda4eb346fd7bc715fea0c31c9ced21 Mon Sep 17 00:00:00 2001
From: Alexey Rybalchenko <alexryba@gmail.com>
Date: Tue, 30 Jun 2020 13:46:00 +0200
Subject: [PATCH] Do not attemp to find random port for non-TCP protocols

---
 fairmq/FairMQChannel.cxx | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/fairmq/FairMQChannel.cxx b/fairmq/FairMQChannel.cxx
index 38d7c133..39954ab4 100644
--- a/fairmq/FairMQChannel.cxx
+++ b/fairmq/FairMQChannel.cxx
@@ -671,7 +671,6 @@ void FairMQChannel::Init()
 bool FairMQChannel::ConnectEndpoint(const string& endpoint)
 {
     lock_guard<mutex> lock(fMtx);
-
     return fSocket->Connect(endpoint);
 }
 
@@ -683,6 +682,13 @@ bool FairMQChannel::BindEndpoint(string& endpoint)
     if (fSocket->Bind(endpoint)) {
         return true;
     } else {
+        // auto-bind only implemented for TCP
+        size_t protocolPos = endpoint.find(':');
+        string protocol = endpoint.substr(0, protocolPos);
+        if (protocol != "tcp") {
+            return false;
+        }
+
         if (fAutoBind) {
             // number of attempts when choosing a random port
             int numAttempts = 0;