From: gcmalloc <gcmalloc@gmail.com>
Date: Wed, 8 Oct 2014 21:50:29 +0000 (+0200)
Subject: adding a more explicit error message for failure on binding to any port
X-Git-Tag: lulzbot-14.12~78
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=a36db2414bcf7e28796e9e48aa55982e8929f0d7;p=cura.git

adding a more explicit error message for failure on binding to any port
---

diff --git a/Cura/util/sliceEngine.py b/Cura/util/sliceEngine.py
index ff33cdf8..4c30e247 100644
--- a/Cura/util/sliceEngine.py
+++ b/Cura/util/sliceEngine.py
@@ -184,17 +184,16 @@ class Engine(object):
 
 		self._serversocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 		self._serverPortNr = 0xC20A
-		while True:
+        for potential_port in xrange(0xC20A, 0xFFFF):
+            self._serverPortNr = potential_port
 			try:
 				self._serversocket.bind(('127.0.0.1', self._serverPortNr))
+                break
 			except:
-				print "Failed to listen on port: %d" % (self._serverPortNr)
-				self._serverPortNr += 1
-				if self._serverPortNr > 0xFFFF:
-					print "Failed to listen on any port..."
-					break
-			else:
-				break
+				print("Failed to listen on port: %d" % (self._serverPortNr))
+        else:
+            print("Failed to listen on any port, this is a fatal error")
+            exit(10)
 		thread = threading.Thread(target=self._socketListenThread)
 		thread.daemon = True
 		thread.start()