diff options
Diffstat (limited to 'test/http2_test/http2_base_server.py')
-rw-r--r-- | test/http2_test/http2_base_server.py | 65 |
1 files changed, 34 insertions, 31 deletions
diff --git a/test/http2_test/http2_base_server.py b/test/http2_test/http2_base_server.py index cbc26b11b1..4d356d4385 100644 --- a/test/http2_test/http2_base_server.py +++ b/test/http2_test/http2_base_server.py @@ -1,19 +1,19 @@ -import struct -import messages_pb2 import logging +import messages_pb2 +import struct -from twisted.internet.protocol import Protocol -from twisted.internet import reactor -from h2.connection import H2Connection -from h2.events import RequestReceived, DataReceived, WindowUpdated, RemoteSettingsChanged, PingAcknowledged -from h2.exceptions import ProtocolError +import h2 +import h2.connection +import twisted +import twisted.internet +import twisted.internet.protocol -READ_CHUNK_SIZE = 16384 -GRPC_HEADER_SIZE = 5 +_READ_CHUNK_SIZE = 16384 +_GRPC_HEADER_SIZE = 5 -class H2ProtocolBaseServer(Protocol): +class H2ProtocolBaseServer(twisted.internet.protocol.Protocol): def __init__(self): - self._conn = H2Connection(client_side=False) + self._conn = h2.connection.H2Connection(client_side=False) self._recv_buffer = {} self._handlers = {} self._handlers['ConnectionMade'] = self.on_connection_made_default @@ -43,34 +43,35 @@ class H2ProtocolBaseServer(Protocol): self.transport.write(self._conn.data_to_send()) def on_connection_lost(self, reason): - logging.info('Disconnected %s'%reason) - reactor.callFromThread(reactor.stop) + logging.info('Disconnected %s' % reason) + twisted.internet.reactor.callFromThread(twisted.internet.reactor.stop) def dataReceived(self, data): try: events = self._conn.receive_data(data) - except ProtocolError: + except h2.exceptions.ProtocolError: # this try/except block catches exceptions due to race between sending # GOAWAY and processing a response in flight. return if self._conn.data_to_send: self.transport.write(self._conn.data_to_send()) for event in events: - if isinstance(event, RequestReceived) and self._handlers.has_key('RequestReceived'): - logging.info('RequestReceived Event for stream: %d'%event.stream_id) + if isinstance(event, h2.events.RequestReceived) and self._handlers.has_key('RequestReceived'): + logging.info('RequestReceived Event for stream: %d' % event.stream_id) self._handlers['RequestReceived'](event) - elif isinstance(event, DataReceived) and self._handlers.has_key('DataReceived'): - logging.info('DataReceived Event for stream: %d'%event.stream_id) + elif isinstance(event, h2.events.DataReceived) and self._handlers.has_key('DataReceived'): + logging.info('DataReceived Event for stream: %d' % event.stream_id) self._handlers['DataReceived'](event) - elif isinstance(event, WindowUpdated) and self._handlers.has_key('WindowUpdated'): - logging.info('WindowUpdated Event for stream: %d'%event.stream_id) + elif isinstance(event, h2.events.WindowUpdated) and self._handlers.has_key('WindowUpdated'): + logging.info('WindowUpdated Event for stream: %d' % event.stream_id) self._handlers['WindowUpdated'](event) - elif isinstance(event, PingAcknowledged) and self._handlers.has_key('PingAcknowledged'): + elif isinstance(event, h2.events.PingAcknowledged) and self._handlers.has_key('PingAcknowledged'): logging.info('PingAcknowledged Event') self._handlers['PingAcknowledged'](event) self.transport.write(self._conn.data_to_send()) def on_ping_acknowledged_default(self, event): + logging.info('ping acknowledged') self._outstanding_pings -= 1 def on_data_received_default(self, event): @@ -101,7 +102,7 @@ class H2ProtocolBaseServer(Protocol): self.transport.write(self._conn.data_to_send()) def setup_send(self, data_to_send, stream_id): - logging.info('Setting up data to send for stream_id: %d'%stream_id) + logging.info('Setting up data to send for stream_id: %d' % stream_id) self._send_remaining[stream_id] = len(data_to_send) self._send_offset = 0 self._data_to_send = data_to_send @@ -116,16 +117,16 @@ class H2ProtocolBaseServer(Protocol): lfcw = self._conn.local_flow_control_window(stream_id) if lfcw == 0: break - chunk_size = min(lfcw, READ_CHUNK_SIZE) + chunk_size = min(lfcw, _READ_CHUNK_SIZE) bytes_to_send = min(chunk_size, self._send_remaining[stream_id]) - logging.info('flow_control_window = %d. sending [%d:%d] stream_id %d'% + logging.info('flow_control_window = %d. sending [%d:%d] stream_id %d' % (lfcw, self._send_offset, self._send_offset + bytes_to_send, stream_id)) data = self._data_to_send[self._send_offset : self._send_offset + bytes_to_send] try: self._conn.send_data(stream_id, data, False) - except ProtocolError: - logging.info('Stream %d is closed'%stream_id) + except h2.exceptions.ProtocolError: + logging.info('Stream %d is closed' % stream_id) break self._send_remaining[stream_id] -= bytes_to_send self._send_offset += bytes_to_send @@ -133,6 +134,7 @@ class H2ProtocolBaseServer(Protocol): self._handlers['SendDone'](stream_id) def default_ping(self): + logging.info('sending ping') self._outstanding_pings += 1 self._conn.ping(b'\x00'*8) self.transport.write(self._conn.data_to_send()) @@ -141,9 +143,11 @@ class H2ProtocolBaseServer(Protocol): if self._stream_status[stream_id]: self._stream_status[stream_id] = False self.default_send_trailer(stream_id) + else: + logging.error('Stream %d is already closed' % stream_id) def default_send_trailer(self, stream_id): - logging.info('Sending trailer for stream id %d'%stream_id) + logging.info('Sending trailer for stream id %d' % stream_id) self._conn.send_headers(stream_id, headers=[ ('grpc-status', '0') ], end_stream=True @@ -159,15 +163,14 @@ class H2ProtocolBaseServer(Protocol): return response_data def parse_received_data(self, stream_id): - recv_buffer = self._recv_buffer[stream_id] """ returns a grpc framed string of bytes containing response proto of the size asked in request """ + recv_buffer = self._recv_buffer[stream_id] grpc_msg_size = struct.unpack('i',recv_buffer[1:5][::-1])[0] - if len(recv_buffer) != GRPC_HEADER_SIZE + grpc_msg_size: - #logging.error('not enough data to decode req proto. size = %d, needed %s'%(len(recv_buffer), 5+grpc_msg_size)) + if len(recv_buffer) != _GRPC_HEADER_SIZE + grpc_msg_size: return None req_proto_str = recv_buffer[5:5+grpc_msg_size] sr = messages_pb2.SimpleRequest() sr.ParseFromString(req_proto_str) - logging.info('Parsed request for stream %d: response_size=%s'%(stream_id, sr.response_size)) + logging.info('Parsed request for stream %d: response_size=%s' % (stream_id, sr.response_size)) return sr |