From 3953d223af2155670d3fa4d1c3e74ca34dc0e058 Mon Sep 17 00:00:00 2001 From: Victor Stinner Date: Thu, 29 Jan 2015 13:40:58 +0100 Subject: Fix _UnixReadPipeTransport and _UnixWritePipeTransport Only start reading when connection_made() has been called. --- asyncio/unix_events.py | 17 +++++++++++------ tests/test_unix_events.py | 29 +++++++++++------------------ 2 files changed, 22 insertions(+), 24 deletions(-) diff --git a/asyncio/unix_events.py b/asyncio/unix_events.py index 67973f1..7e1265a 100644 --- a/asyncio/unix_events.py +++ b/asyncio/unix_events.py @@ -298,8 +298,10 @@ class _UnixReadPipeTransport(transports.ReadTransport): _set_nonblocking(self._fileno) self._protocol = protocol self._closing = False - self._loop.add_reader(self._fileno, self._read_ready) self._loop.call_soon(self._protocol.connection_made, self) + # only start reading when connection_made() has been called + self._loop.call_soon(self._loop.add_reader, + self._fileno, self._read_ready) if waiter is not None: # only wake up the waiter when connection_made() has been called self._loop.call_soon(waiter._set_result_unless_cancelled, None) @@ -401,13 +403,16 @@ class _UnixWritePipeTransport(transports._FlowControlMixin, self._conn_lost = 0 self._closing = False # Set when close() or write_eof() called. - # On AIX, the reader trick only works for sockets. - # On other platforms it works for pipes and sockets. - # (Exception: OS X 10.4? Issue #19294.) + self._loop.call_soon(self._protocol.connection_made, self) + + # On AIX, the reader trick (to be notified when the read end of the + # socket is closed) only works for sockets. On other platforms it + # works for pipes and sockets. (Exception: OS X 10.4? Issue #19294.) if is_socket or not sys.platform.startswith("aix"): - self._loop.add_reader(self._fileno, self._read_ready) + # only start reading when connection_made() has been called + self._loop.call_soon(self._loop.add_reader, + self._fileno, self._read_ready) - self._loop.call_soon(self._protocol.connection_made, self) if waiter is not None: # only wake up the waiter when connection_made() has been called self._loop.call_soon(waiter._set_result_unless_cancelled, None) diff --git a/tests/test_unix_events.py b/tests/test_unix_events.py index 126196d..41249ff 100644 --- a/tests/test_unix_events.py +++ b/tests/test_unix_events.py @@ -350,16 +350,13 @@ class UnixReadPipeTransportTests(test_utils.TestCase): return transport def test_ctor(self): - tr = self.read_pipe_transport() - self.loop.assert_reader(5, tr._read_ready) - test_utils.run_briefly(self.loop) - self.protocol.connection_made.assert_called_with(tr) + waiter = asyncio.Future(loop=self.loop) + tr = self.read_pipe_transport(waiter=waiter) + self.loop.run_until_complete(waiter) - def test_ctor_with_waiter(self): - fut = asyncio.Future(loop=self.loop) - tr = self.read_pipe_transport(waiter=fut) - test_utils.run_briefly(self.loop) - self.assertIsNone(fut.result()) + self.protocol.connection_made.assert_called_with(tr) + self.loop.assert_reader(5, tr._read_ready) + self.assertIsNone(waiter.result()) @mock.patch('os.read') def test__read_ready(self, m_read): @@ -502,17 +499,13 @@ class UnixWritePipeTransportTests(test_utils.TestCase): return transport def test_ctor(self): - tr = self.write_pipe_transport() - self.loop.assert_reader(5, tr._read_ready) - test_utils.run_briefly(self.loop) - self.protocol.connection_made.assert_called_with(tr) + waiter = asyncio.Future(loop=self.loop) + tr = self.write_pipe_transport(waiter=waiter) + self.loop.run_until_complete(waiter) - def test_ctor_with_waiter(self): - fut = asyncio.Future(loop=self.loop) - tr = self.write_pipe_transport(waiter=fut) + self.protocol.connection_made.assert_called_with(tr) self.loop.assert_reader(5, tr._read_ready) - test_utils.run_briefly(self.loop) - self.assertEqual(None, fut.result()) + self.assertEqual(None, waiter.result()) def test_can_write_eof(self): tr = self.write_pipe_transport() -- cgit v1.2.1