added examples/twisted_srvconnector.py

examples/twisted_srvconnector.py

@@ -0,0 +1,39 @@
+from twisted.internet import reactor
+from twisted.names.srvconnect import SRVConnector
+from gnutls.interfaces.twisted import X509Credentials
+
+from eventlet.twistedutil.protocol import GreenClientCreator
+from eventlet.twistedutil.protocols.basic import LineOnlyReceiverTransport
+
+class NoisySRVConnector(SRVConnector):
+
+    def _ebGotServers(self, failure):
+        #self.failure = failure
+        return SRVConnector._ebGotServers(self, failure)
+
+    def pickServer(self):
+        host, port = SRVConnector.pickServer(self)
+        #if not isinstance(port, int) and self.failure:
+        #        self.failure.raiseException()
+        print 'Resolved _%s._%s.%s --> %s:%s' % (self.service, self.protocol, self.domain, host, port)
+        return host, port
+
+# why TypeError is not raised here?
+
+cred = X509Credentials(None, None)
+creator = GreenClientCreator(reactor, LineOnlyReceiverTransport)
+conn = creator.connectSRV('msrpsx', 'ag-projects.com',
+                          connectFuncName='connectTLS', connectFuncArgs=(cred,),
+                          ConnectorClass=NoisySRVConnector)
+
+request = """MSRP 49fh AUTH
+To-Path: msrps://alice@intra.example.com;tcp
+From-Path: msrps://alice.example.com:9892/98cjs;tcp
+-------49fh$
+""".replace('\n', '\r\n')
+
+conn.write(request)
+for x in conn:
+    print x
+    if '-------' in x:
+        break