Merge pull request #31 from charleswhchan/issue-29

Fix #29 - Expose a shutdown() for SerfClient.

serfclient/client.py

@@ -74,3 +74,11 @@ def stats(self):
         Obtain operator debugging information about the running Serf agent.
         """
         return self.connection.call('stats')
+
+    def close(self):
+        """
+        Close connection to Serf agent.
+        """
+        if self.connection:
+            self.connection.close()
+            self.connection = None

serfclient/connection.py

@@ -166,3 +166,11 @@ def _decode_addr_key(self, obj_dict):
                 obj_dict[key] = ip_addr.encode('utf-8')
 
         return obj_dict
+
+    def close(self):
+        """
+        Close the connection with the Serf agent.
+        """
+        if self._socket:
+            self._socket.close()
+            self._socket = None

tests/test_client.py

@@ -110,3 +110,8 @@ def test_stats_is_well_formed(self, serf):
         for key in [b'agent', b'runtime', b'serf', b'tags']:
             assert key in stats.body
             assert isinstance(stats.body[key], dict)
+
+    def test_close(self, serf):
+        assert serf.connection is not None
+        serf.close()
+        assert serf.connection is None

tests/test_connection.py

@@ -134,3 +134,9 @@ def test_decode_addr_key_ipv4_mapped_ipv6(self, rpc):
     def test_decode_addr_key_ipv4(self, rpc):
         ip_address = '192.168.0.1'
         assert extract_addr(rpc, ip_address, socket.AF_INET) == ip_address
+
+    def test_close(self, rpc):
+        rpc.handshake()
+        assert rpc._socket is not None
+        rpc.close()
+        assert rpc._socket is None