예제 #1
0
        def socket_handler(listener):
            sock = listener.accept()[0]

            # Dispose of the first two packets.
            sock.recv(65535)
            sock.recv(65535)

            # Send a Settings frame that reduces the flow-control window to
            # 64 bytes.
            f = SettingsFrame(0)
            f.settings[SettingsFrame.INITIAL_WINDOW_SIZE] = 64
            sock.send(f.serialize())

            # Grab three frames, the settings ACK, the initial headers frame,
            # and the first data frame.
            for x in range(0, 3):
                data.append(sock.recv(65535))

            # Send a WindowUpdate giving more window room to the stream.
            f = WindowUpdateFrame(1)
            f.window_increment = 64
            sock.send(f.serialize())

            # Reeive the remaining frame.
            data.append(sock.recv(65535))
            send_event.set()

            # We're done.
            sock.close()
예제 #2
0
        def socket_handler(listener):
            sock = listener.accept()[0]

            # Dispose of the first two packets.
            sock.recv(65535)
            sock.recv(65535)

            # Send a Settings frame that reduces the flow-control window to
            # 64 bytes.
            f = SettingsFrame(0)
            f.settings[SettingsFrame.INITIAL_WINDOW_SIZE] = 64
            sock.send(f.serialize())

            # Grab three frames, the settings ACK, the initial headers frame,
            # and the first data frame.
            for x in range(0, 3):
                data.append(sock.recv(65535))

            # Send a WindowUpdate giving more window room to the stream.
            f = WindowUpdateFrame(1)
            f.window_increment = 64
            sock.send(f.serialize())

            # Send one that gives more room to the connection.
            f = WindowUpdateFrame(0)
            f.window_increment = 64
            sock.send(f.serialize())

            # Reeive the remaining frame.
            data.append(sock.recv(65535))
            send_event.set()

            # We're done.
            sock.close()
예제 #3
0
        def socket_handler(listener):
            sock = listener.accept()[0]

            # We should get two packets: one connection header string, one
            # SettingsFrame.
            first = sock.recv(65535)
            second = sock.recv(65535)
            data.append(first)
            data.append(second)

            # We need to send back a SettingsFrame.
            f = SettingsFrame(0)
            sock.send(f.serialize())

            send_event.set()
            sock.close()
예제 #4
0
def receive_preamble(sock):
    # Receive the HTTP/2.0 'preamble'.
    sock.recv(65535)
    sock.recv(65535)
    sock.send(SettingsFrame(0).serialize())
    sock.recv(65535)
    return
예제 #5
0
        def socket_handler(listener):
            sock = listener.accept()[0]

            # We should get two packets: one connection header string, one
            # SettingsFrame.
            first = sock.recv(65535)
            second = sock.recv(65535)
            data.append(first)
            data.append(second)

            # We need to send back a SettingsFrame.
            f = SettingsFrame(0)
            sock.send(f.serialize())

            send_event.set()
            sock.close()
예제 #6
0
        def socket_handler(listener):
            sock = listener.accept()[0]

            # Do the handshake: conn header, settings, send settings, recv ack.
            sock.recv(65535)
            sock.recv(65535)
            sock.send(SettingsFrame(0).serialize())
            sock.recv(65535)

            # Now expect some data. One headers frame and one data frame.
            data.append(sock.recv(65535))
            data.append(sock.recv(65535))

            # Respond!
            h = HeadersFrame(1)
            h.data = self.get_encoder().encode({':status': 200, 'Content-Type': 'not/real', 'Content-Length': 20})
            h.flags.add('END_HEADERS')
            sock.send(h.serialize())
            d = DataFrame(1)
            d.data = b'1234567890' * 2
            d.flags.add('END_STREAM')
            sock.send(d.serialize())

            send_event.set()
            sock.close()
예제 #7
0
    def test_settings_frame_serializes_properly(self):
        f = SettingsFrame(0)
        f.parse_flags(0xFF)
        f.settings = {
            SettingsFrame.HEADER_TABLE_SIZE: 4096,
            SettingsFrame.ENABLE_PUSH: 0,
            SettingsFrame.MAX_CONCURRENT_STREAMS: 100,
            SettingsFrame.INITIAL_WINDOW_SIZE: 65535,
            SettingsFrame.FLOW_CONTROL_OPTIONS: 1,
        }

        s = f.serialize()
        assert s == (
            b'\x00\x28\x04\x01\x00\x00\x00\x00' +  # Frame header
            b'\x00\x00\x00\x01\x00\x00\x10\x00' +  # HEADER_TABLE_SIZE
            b'\x00\x00\x00\x02\x00\x00\x00\x00' +  # ENABLE_PUSH
            b'\x00\x00\x00\x04\x00\x00\x00\x64' +  # MAX_CONCURRENT_STREAMS
            b'\x00\x00\x00\x0A\x00\x00\x00\x01' +  # FLOW_CONTROL_OPTIONS
            b'\x00\x00\x00\x07\x00\x00\xFF\xFF'    # INITIAL_WINDOW_SIZE
        )
예제 #8
0
파일: test_hyper.py 프로젝트: ami-GS/hyper
    def test_connections_handle_resizing_header_tables_properly(self):
        sock = DummySocket()
        f = SettingsFrame(0)
        f.settings[SettingsFrame.HEADER_TABLE_SIZE] = 1024
        c = HTTP20Connection('www.google.com')
        c._sock = sock

        # 'Receive' the SETTINGS frame.
        c.receive_frame(f)

        # Confirm that the setting is stored and the header table shrunk.
        assert c._settings[SettingsFrame.HEADER_TABLE_SIZE] == 1024
        assert c.encoder.header_table_size == 1024

        # Confirm we got a SETTINGS ACK.
        f2 = decode_frame(sock.queue[0])
        assert isinstance(f2, SettingsFrame)
        assert f2.stream_id == 0
        assert f2.flags == set(['ACK'])
예제 #9
0
파일: test_hyper.py 프로젝트: lifuzu/hyper
    def test_settings_frame_serializes_properly(self):
        f = SettingsFrame(0)
        f.parse_flags(0xFF)
        f.settings = {
            SettingsFrame.HEADER_TABLE_SIZE: 4096,
            SettingsFrame.ENABLE_PUSH: 0,
            SettingsFrame.MAX_CONCURRENT_STREAMS: 100,
            SettingsFrame.INITIAL_WINDOW_SIZE: 65535,
            SettingsFrame.FLOW_CONTROL_OPTIONS: 1,
        }

        s = f.serialize()
        assert s == (
            b'\x00\x28\x04\x01\x00\x00\x00\x00' +  # Frame header
            b'\x00\x00\x00\x01\x00\x00\x10\x00' +  # HEADER_TABLE_SIZE
            b'\x00\x00\x00\x02\x00\x00\x00\x00' +  # ENABLE_PUSH
            b'\x00\x00\x00\x04\x00\x00\x00\x64' +  # MAX_CONCURRENT_STREAMS
            b'\x00\x00\x00\x0A\x00\x00\x00\x01' +  # FLOW_CONTROL_OPTIONS
            b'\x00\x00\x00\x07\x00\x00\xFF\xFF'  # INITIAL_WINDOW_SIZE
        )
예제 #10
0
파일: test_hyper.py 프로젝트: lifuzu/hyper
 def test_settings_frame_has_only_one_flag(self):
     f = SettingsFrame(0)
     flags = f.parse_flags(0xFF)
     assert flags == set(['ACK'])
예제 #11
0
 def test_settings_frame_has_only_one_flag(self):
     f = SettingsFrame(0)
     flags = f.parse_flags(0xFF)
     assert flags == set(['ACK'])
예제 #12
0
파일: test_hyper.py 프로젝트: ami-GS/hyper
 def test_settings_frames_never_have_streams(self):
     with pytest.raises(ValueError):
         SettingsFrame(1)