python类ECONNREFUSED的实例源码

def test_connection_refused(self):
        server_socket, port = bind_unused_port()
        server_socket.close()
        with ExpectLog(gen_log, ".*"):
            self.http_client.fetch("http://localhost:%d/" % port, self.stop)
            response = self.wait()
        self.assertEqual(599, response.code)

        if sys.platform != 'cygwin':
            # cygwin returns EPERM instead of ECONNREFUSED here
            self.assertTrue(str(errno.ECONNREFUSED) in str(response.error),
                            response.error)
            # This is usually "Connection refused".
            # On windows, strerror is broken and returns "Unknown error".
            expected_message = os.strerror(errno.ECONNREFUSED)
            self.assertTrue(expected_message in str(response.error),
                            response.error)

def test_connection_refused(self):
        # When a connection is refused, the connect callback should not
        # be run.  (The kqueue IOLoop used to behave differently from the
        # epoll IOLoop in this respect)
        server_socket, port = bind_unused_port()
        server_socket.close()
        stream = IOStream(socket.socket(), self.io_loop)
        self.connect_called = False

        def connect_callback():
            self.connect_called = True
        stream.set_close_callback(self.stop)
        # log messages vary by platform and ioloop implementation
        with ExpectLog(gen_log, ".*", required=False):
            stream.connect(("localhost", port), connect_callback)
            self.wait()
        self.assertFalse(self.connect_called)
        self.assertTrue(isinstance(stream.error, socket.error), stream.error)
        if sys.platform != 'cygwin':
            # cygwin's errnos don't match those used on native windows python
            self.assertEqual(stream.error.args[0], errno.ECONNREFUSED)

def test_listen(self):
        logger = self.useFixture(FakeLogger(format="%(asctime)s %(message)s"))
        self.executable.listen(6666)
        self.executable.sleep(1)
        self.executable.spawn()

        # Try to connect to the socket
        sock = socket.socket()
        transient = (errno.ECONNREFUSED, errno.ECONNRESET)

        attempts = 10
        for i in range(1, attempts + 1):
            try:
                sock.connect(("127.0.0.1", self.executable.port))
            except socket.error as error:  # pragma: no cover
                if error.errno in transient and i != attempts:
                    time.sleep(0.05 * i)
                    continue
                logging.error("connection attempt %d failed", i)
                raise error
            break
        self.assertEqual("127.0.0.1", sock.getsockname()[0])

def connectionTest(ipAddress, port):
    s = socket.socket()
    s.settimeout(CONNECTION_WAIT_TIME)

    try:
        s.connect((ipAddress, port))
        s.close()
        return STATUS.CONNECTED
    except socket.timeout, exc:
        return STATUS.TIMEOUT
    except socket.gaierror, exc:
        return STATUS.TIMEOUT
    except socket.error, exc:
        if exc.errno != errno.ECONNREFUSED:
            return STATUS.TIMEOUT
        else:
            return STATUS.REFUSED

def test_connection_refused(self):
        cleanup_func, port = refusing_port()
        self.addCleanup(cleanup_func)
        with ExpectLog(gen_log, ".*", required=False):
            self.http_client.fetch("http://127.0.0.1:%d/" % port, self.stop)
            response = self.wait()
        self.assertEqual(599, response.code)

        if sys.platform != 'cygwin':
            # cygwin returns EPERM instead of ECONNREFUSED here
            contains_errno = str(errno.ECONNREFUSED) in str(response.error)
            if not contains_errno and hasattr(errno, "WSAECONNREFUSED"):
                contains_errno = str(errno.WSAECONNREFUSED) in str(response.error)
            self.assertTrue(contains_errno, response.error)
            # This is usually "Connection refused".
            # On windows, strerror is broken and returns "Unknown error".
            expected_message = os.strerror(errno.ECONNREFUSED)
            self.assertTrue(expected_message in str(response.error),
                            response.error)

def test_connection_refused(self):
        # When a connection is refused, the connect callback should not
        # be run.  (The kqueue IOLoop used to behave differently from the
        # epoll IOLoop in this respect)
        cleanup_func, port = refusing_port()
        self.addCleanup(cleanup_func)
        stream = IOStream(socket.socket(), self.io_loop)
        self.connect_called = False

        def connect_callback():
            self.connect_called = True
            self.stop()
        stream.set_close_callback(self.stop)
        # log messages vary by platform and ioloop implementation
        with ExpectLog(gen_log, ".*", required=False):
            stream.connect(("127.0.0.1", port), connect_callback)
            self.wait()
        self.assertFalse(self.connect_called)
        self.assertTrue(isinstance(stream.error, socket.error), stream.error)
        if sys.platform != 'cygwin':
            _ERRNO_CONNREFUSED = (errno.ECONNREFUSED,)
            if hasattr(errno, "WSAECONNREFUSED"):
                _ERRNO_CONNREFUSED += (errno.WSAECONNREFUSED,)
            # cygwin's errnos don't match those used on native windows python
            self.assertTrue(stream.error.args[0] in _ERRNO_CONNREFUSED)

def test_connection_refused(self):
        cleanup_func, port = refusing_port()
        self.addCleanup(cleanup_func)
        with ExpectLog(gen_log, ".*", required=False):
            self.http_client.fetch("http://127.0.0.1:%d/" % port, self.stop)
            response = self.wait()
        self.assertEqual(599, response.code)

        if sys.platform != 'cygwin':
            # cygwin returns EPERM instead of ECONNREFUSED here
            contains_errno = str(errno.ECONNREFUSED) in str(response.error)
            if not contains_errno and hasattr(errno, "WSAECONNREFUSED"):
                contains_errno = str(errno.WSAECONNREFUSED) in str(response.error)
            self.assertTrue(contains_errno, response.error)
            # This is usually "Connection refused".
            # On windows, strerror is broken and returns "Unknown error".
            expected_message = os.strerror(errno.ECONNREFUSED)
            self.assertTrue(expected_message in str(response.error),
                            response.error)

def test_connection_refused(self):
        # When a connection is refused, the connect callback should not
        # be run.  (The kqueue IOLoop used to behave differently from the
        # epoll IOLoop in this respect)
        cleanup_func, port = refusing_port()
        self.addCleanup(cleanup_func)
        stream = IOStream(socket.socket(), self.io_loop)
        self.connect_called = False

        def connect_callback():
            self.connect_called = True
            self.stop()
        stream.set_close_callback(self.stop)
        # log messages vary by platform and ioloop implementation
        with ExpectLog(gen_log, ".*", required=False):
            stream.connect(("127.0.0.1", port), connect_callback)
            self.wait()
        self.assertFalse(self.connect_called)
        self.assertTrue(isinstance(stream.error, socket.error), stream.error)
        if sys.platform != 'cygwin':
            _ERRNO_CONNREFUSED = (errno.ECONNREFUSED,)
            if hasattr(errno, "WSAECONNREFUSED"):
                _ERRNO_CONNREFUSED += (errno.WSAECONNREFUSED,)
            # cygwin's errnos don't match those used on native windows python
            self.assertTrue(stream.error.args[0] in _ERRNO_CONNREFUSED)

def doRead(self):
        """
        Called when my socket is ready for reading.
        """
        read = 0
        while read < self.maxThroughput:
            try:
                data, addr = self.socket.recvfrom(self.maxPacketSize)
                read += len(data)
                self.protocol.datagramReceived(data)
            except socket.error as se:
                no = se.args[0]
                if no in (EAGAIN, EINTR, EWOULDBLOCK):
                    return
                if no == ECONNREFUSED:
                    self.protocol.connectionRefused()
                else:
                    raise
            except:
                log.deferr()

def write(self, data):
        """
        Write a datagram.
        """
        try:
            return self.socket.send(data)
        except socket.error as se:
            no = se.args[0]
            if no == EINTR:
                return self.write(data)
            elif no == EMSGSIZE:
                raise error.MessageLengthError("message too long")
            elif no == ECONNREFUSED:
                self.protocol.connectionRefused()
            elif no == EAGAIN:
                # oh, well, drop the data. The only difference from UDP
                # is that UDP won't ever notice.
                # TODO: add TCP-like buffering
                pass
            else:
                raise

def test_connection_refused(self):
        cleanup_func, port = refusing_port()
        self.addCleanup(cleanup_func)
        with ExpectLog(gen_log, ".*", required=False):
            self.http_client.fetch("http://127.0.0.1:%d/" % port, self.stop)
            response = self.wait()
        self.assertEqual(599, response.code)

        if sys.platform != 'cygwin':
            # cygwin returns EPERM instead of ECONNREFUSED here
            contains_errno = str(errno.ECONNREFUSED) in str(response.error)
            if not contains_errno and hasattr(errno, "WSAECONNREFUSED"):
                contains_errno = str(errno.WSAECONNREFUSED) in str(response.error)
            self.assertTrue(contains_errno, response.error)
            # This is usually "Connection refused".
            # On windows, strerror is broken and returns "Unknown error".
            expected_message = os.strerror(errno.ECONNREFUSED)
            self.assertTrue(expected_message in str(response.error),
                            response.error)

def _get_connection(self):
        connection = None
        logger.info("Connecting...")
        for i in range(self.timeout):
            try:
                if not connection:
                    logger.debug("Connecting. Timeout in {:d} seconds.".format(self.timeout - i))
                    connection = rpyc.classic.connect('localhost', self.port)
                else:
                    logger.debug("Found connection, testing. Timeout in {:d} seconds.".format(self.timeout - i))
                    connection.ping(timeout=1)
                    logger.debug("Connection ok, returning.")
                    logger.info("Connected.")
                    return connection
            except (socket.error, rpyc.core.protocol.PingError, rpyc.core.async.AsyncResultTimeout) as e:
                if e is socket.error and not e.errno == errno.ECONNREFUSED:
                    raise
                if i == self.timeout - 1:
                    raise
                elif e is socket.error:
                    sleep(1)

def test_025_accept_errors(self):
        debug.hub_exceptions(True)
        listener = greensocket.socket()
        listener.bind(('localhost', 0))
        # NOT calling listen, to trigger the error
        with capture_stderr() as log:
            self.spawn_server(sock=listener)
            eventlet.sleep(0)  # need to enter server loop
            try:
                eventlet.connect(self.server_addr)
                self.fail("Didn't expect to connect")
            except socket.error as exc:
                self.assertEqual(support.get_errno(exc), errno.ECONNREFUSED)

        log_content = log.getvalue()
        assert 'Invalid argument' in log_content, log_content
        debug.hub_exceptions(False)

def test_connection_refused(self):
        cleanup_func, port = refusing_port()
        self.addCleanup(cleanup_func)
        with ExpectLog(gen_log, ".*", required=False):
            self.http_client.fetch("http://127.0.0.1:%d/" % port, self.stop)
            response = self.wait()
        self.assertEqual(599, response.code)

        if sys.platform != 'cygwin':
            # cygwin returns EPERM instead of ECONNREFUSED here
            contains_errno = str(errno.ECONNREFUSED) in str(response.error)
            if not contains_errno and hasattr(errno, "WSAECONNREFUSED"):
                contains_errno = str(errno.WSAECONNREFUSED) in str(response.error)
            self.assertTrue(contains_errno, response.error)
            # This is usually "Connection refused".
            # On windows, strerror is broken and returns "Unknown error".
            expected_message = os.strerror(errno.ECONNREFUSED)
            self.assertTrue(expected_message in str(response.error),
                            response.error)

def test_connection_refused(self):
        # When a connection is refused, the connect callback should not
        # be run.  (The kqueue IOLoop used to behave differently from the
        # epoll IOLoop in this respect)
        cleanup_func, port = refusing_port()
        self.addCleanup(cleanup_func)
        stream = IOStream(socket.socket(), self.io_loop)
        self.connect_called = False

        def connect_callback():
            self.connect_called = True
            self.stop()
        stream.set_close_callback(self.stop)
        # log messages vary by platform and ioloop implementation
        with ExpectLog(gen_log, ".*", required=False):
            stream.connect(("127.0.0.1", port), connect_callback)
            self.wait()
        self.assertFalse(self.connect_called)
        self.assertTrue(isinstance(stream.error, socket.error), stream.error)
        if sys.platform != 'cygwin':
            _ERRNO_CONNREFUSED = (errno.ECONNREFUSED,)
            if hasattr(errno, "WSAECONNREFUSED"):
                _ERRNO_CONNREFUSED += (errno.WSAECONNREFUSED,)
            # cygwin's errnos don't match those used on native windows python
            self.assertTrue(stream.error.args[0] in _ERRNO_CONNREFUSED)

def _get_ip(self):
        if self._ex_ip:
            return self._ex_ip

        s = socket.socket()
        if ':' in self.tracker:
            domain, port_str = self.tracker.split(':')
            tracker_tuple = (domain, int(port_str))
        else:
            tracker_tuple = (self.tracker, 80)

        try:
            s.connect(tracker_tuple)
        except socket.error as e:
            if e.errno == errno.ECONNREFUSED or e.errno == errno.ETIMEDOUT:
                raise TrackerUnavailable
            else:
                raise
        self._ex_ip = s.getsockname()[0]
        return self._ex_ip

def _init_sock(self):
        if self.unix_socket:
            # try remove the sock file it already exists
            _sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
            try:
                _sock.connect(self.unix_socket)
            except (socket.error, OSError) as err:
                if err.args[0] == errno.ECONNREFUSED:
                    os.unlink(self.unix_socket)
        else:
            _sock = socket.socket(self.socket_family, socket.SOCK_STREAM)

        _sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        if hasattr(socket, "SO_REUSEPORT"):
            try:
                _sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
            except socket.error as err:
                if err[0] in (errno.ENOPROTOOPT, errno.EINVAL):
                    pass
                else:
                    raise
        _sock.settimeout(None)
        self.sock = _sock

def test_connection_refused(self):
        cleanup_func, port = refusing_port()
        self.addCleanup(cleanup_func)
        with ExpectLog(gen_log, ".*", required=False):
            self.http_client.fetch("http://127.0.0.1:%d/" % port, self.stop)
            response = self.wait()
        self.assertEqual(599, response.code)

        if sys.platform != 'cygwin':
            # cygwin returns EPERM instead of ECONNREFUSED here
            contains_errno = str(errno.ECONNREFUSED) in str(response.error)
            if not contains_errno and hasattr(errno, "WSAECONNREFUSED"):
                contains_errno = str(errno.WSAECONNREFUSED) in str(response.error)
            self.assertTrue(contains_errno, response.error)
            # This is usually "Connection refused".
            # On windows, strerror is broken and returns "Unknown error".
            expected_message = os.strerror(errno.ECONNREFUSED)
            self.assertTrue(expected_message in str(response.error),
                            response.error)

def test_connection_refused(self):
        # When a connection is refused, the connect callback should not
        # be run.  (The kqueue IOLoop used to behave differently from the
        # epoll IOLoop in this respect)
        cleanup_func, port = refusing_port()
        self.addCleanup(cleanup_func)
        stream = IOStream(socket.socket(), self.io_loop)
        self.connect_called = False

        def connect_callback():
            self.connect_called = True
            self.stop()
        stream.set_close_callback(self.stop)
        # log messages vary by platform and ioloop implementation
        with ExpectLog(gen_log, ".*", required=False):
            stream.connect(("127.0.0.1", port), connect_callback)
            self.wait()
        self.assertFalse(self.connect_called)
        self.assertTrue(isinstance(stream.error, socket.error), stream.error)
        if sys.platform != 'cygwin':
            _ERRNO_CONNREFUSED = (errno.ECONNREFUSED,)
            if hasattr(errno, "WSAECONNREFUSED"):
                _ERRNO_CONNREFUSED += (errno.WSAECONNREFUSED,)
            # cygwin's errnos don't match those used on native windows python
            self.assertTrue(stream.error.args[0] in _ERRNO_CONNREFUSED)

def test_serialized_with_retry_socket_error_reraised(self):
        exc = socket.error()
        exc.errno = errno.ECONNREFUSED
        plugin = 'glance'
        fn = 'download_vhd'
        num_retries = 1
        callback = None
        retry_cb = mock.Mock()
        with mock.patch.object(self.session, 'call_plugin_serialized',
                spec=True) as call_plugin_serialized:
            call_plugin_serialized.side_effect = exc
            self.assertRaises(socket.error,
                    self.session.call_plugin_serialized_with_retry, plugin, fn,
                    num_retries, callback, retry_cb)
            call_plugin_serialized.assert_called_once_with(plugin, fn)
            self.assertEqual(0, retry_cb.call_count)