[1828] Close open handles when done using them (contd.)

src/bin/xfrout/tests/xfrout_test.py.in

@@ -1201,6 +1201,7 @@ class TestUnixSockServer(unittest.TestCase):
         self.assertEqual((socket.AF_INET, socket.SOCK_STREAM,
                           ('127.0.0.1', 12345)),
                          self.unix._guess_remote(sock.fileno()))
+        sock.close()
         if socket.has_ipv6:
             # Don't check IPv6 address on hosts not supporting them
             sock = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
@@ -1208,6 +1209,7 @@ class TestUnixSockServer(unittest.TestCase):
             self.assertEqual((socket.AF_INET6, socket.SOCK_STREAM,
                               ('::1', 12345, 0, 0)),
                              self.unix._guess_remote(sock.fileno()))
+            sock.close()
             # Try when pretending there's no IPv6 support
             # (No need to pretend when there's really no IPv6)
             xfrout.socket.has_ipv6 = False
@@ -1218,6 +1220,7 @@ class TestUnixSockServer(unittest.TestCase):
                              self.unix._guess_remote(sock.fileno()))
             # Return it back
             xfrout.socket.has_ipv6 = True
+            sock.close()
 
     def test_receive_query_message(self):
         send_msg = b"\xd6=\x00\x00\x00\x01\x00"
@@ -1379,6 +1382,7 @@ class TestUnixSockServer(unittest.TestCase):
         old_stdout = sys.stdout
         sys.stdout = open(os.devnull, 'w')
         self.assertTrue(self.unix._sock_file_in_use(sock_file))
+        sys.stdout.close()
         sys.stdout = old_stdout
 
     def test_remove_unused_sock_file_in_use(self):
@@ -1395,7 +1399,7 @@ class TestUnixSockServer(unittest.TestCase):
         else:
             # This should never happen
             self.assertTrue(False)
-
+        sys.stdout.close()
         sys.stdout = old_stdout
 
     def test_remove_unused_sock_file_dir(self):
@@ -1411,6 +1415,7 @@ class TestUnixSockServer(unittest.TestCase):
             # This should never happen
             self.assertTrue(False)
 
+        sys.stdout.close()
         sys.stdout = old_stdout
         os.rmdir(dir_name)
 

src/bin/xfrout/xfrout.py.in

@@ -755,6 +755,9 @@ class UnixSockServer(socketserver_mixin.NoPollMixIn,
             socket.inet_pton(socket.AF_INET6, peer[0])
         except socket.error:
             family = socket.AF_INET
+
+        sock.close()
+
         return (family, socket.SOCK_STREAM, peer)
 
     def finish_request(self, sock_fd, request_data):
@@ -799,8 +802,10 @@ class UnixSockServer(socketserver_mixin.NoPollMixIn,
             sock = socket.socket(socket.AF_UNIX)
             sock.connect(sock_file)
         except socket.error as err:
+            sock.close()
             return False
         else:
+            sock.close()
             return True
 
     def shutdown(self):

src/lib/python/isc/util/cio/tests/socketsession_test.py

@@ -177,6 +177,9 @@ class TestForwarder(unittest.TestCase):
             client_sock.setblocking(True)
             client_sock.settimeout(10)
             self.assertEqual(TEST_DATA, client_sock.recv(len(TEST_DATA)))
+            client_sock.close()
+
+        sock.close()
 
     def test_push_and_pop(self):
         # This is a straightforward port of C++ pushAndPop test.