retry indefinitly is back. fixes #2411. please test that

src/common/connection.py

@@ -367,8 +367,7 @@ def connect_to_next_host(self, retry = False):
 				secure = self._secure)
 			return
 		else:
-			if not retry:
-				self.retrycount = 0
+			if not retry and self.retrycount == 0:
 				self.time_to_reconnect = None
 				if self.on_connect_failure:
 					self.on_connect_failure()

src/common/xmpp/client_nb.py

@@ -125,6 +125,8 @@ def _on_connected_failure(self, retry = None):
 			self.on_connect_failure(retry)
 
 	def _on_connected(self):
+		# connect succeded, so no need of this callback anymore
+		self.on_connect_failure = None
 		self.connected = 'tcp'
 		if self._Ssl:
 			transports_nb.NonBlockingTLS().PlugIn(self, now=1)

src/common/xmpp/transports_nb.py

@@ -143,11 +143,11 @@ def plugout(self):
 	def pollin(self):
 		self._do_receive() 
 	
-	def pollend(self):
+	def pollend(self, retry = False):
 		conn_failure_cb = self.on_connect_failure
 		self.disconnect()
 		if conn_failure_cb:
-			conn_failure_cb()
+			conn_failure_cb(retry)
 		
 	def disconnect(self):
 		if self.state == -2: # already disconnected
@@ -216,15 +216,19 @@ def _do_receive(self):
 			# "received" will be empty anyhow 
 		if errnum == socket.SSL_ERROR_WANT_READ:
 			pass
-		elif errnum in [errno.ECONNRESET, errno.ENOTCONN, errno.ESHUTDOWN]:
+		elif errnum  == errno.ECONNRESET:
+			self.pollend(True)
+			# don't proccess result, caus it will raise error
+			return
+		elif errnum in [errno.ENOTCONN, errno.ESHUTDOWN]:
 			self.pollend()
-			# don't proccess result, cas it will raise error
+			# don't proccess result, caus it will raise error
 			return
 		elif not received :
 			if errnum != socket.SSL_ERROR_EOF: 
 				# 8 EOF occurred in violation of protocol
 				self.DEBUG('Socket error while receiving data', 'error')
-				self.pollend()
+				self.pollend(True)
 			if self.state >= 0:
 				self.disconnect()
 			return