diff options
Diffstat (limited to 'netlib')
| -rw-r--r-- | netlib/http2/frame.py | 11 | ||||
| -rw-r--r-- | netlib/http2/protocol.py | 61 |
2 files changed, 39 insertions, 33 deletions
diff --git a/netlib/http2/frame.py b/netlib/http2/frame.py index 4a305d82..3e285cba 100644 --- a/netlib/http2/frame.py +++ b/netlib/http2/frame.py @@ -113,16 +113,11 @@ class Frame(object): def payload_human_readable(self): # pragma: no cover raise NotImplementedError() - def human_readable(self): + def human_readable(self, direction="-"): return "\n".join([ - "============================================================", - "length: %d bytes" % self.length, - "type: %s (%#x)" % (self.__class__.__name__, self.TYPE), - "flags: %#x" % self.flags, - "stream_id: %#x" % self.stream_id, - "------------------------------------------------------------", + "%s: %s | length: %d | flags: %#x | stream_id: %d" % (direction, self.__class__.__name__, self.length, self.flags, self.stream_id), self.payload_human_readable(), - "============================================================", + "===============================================================", ]) def __eq__(self, other): diff --git a/netlib/http2/protocol.py b/netlib/http2/protocol.py index 1e722dfb..7bf68602 100644 --- a/netlib/http2/protocol.py +++ b/netlib/http2/protocol.py @@ -48,13 +48,12 @@ class HTTP2Protocol(object): "HTTP2Protocol can not handle unknown ALP: %s" % alp) return True - def _receive_settings(self): - frm = frame.Frame.from_file(self.tcp_handler.rfile, self) + def _receive_settings(self, hide=False): + frm = self.read_frame(hide) assert isinstance(frm, frame.SettingsFrame) - self._apply_settings(frm.settings) - def _read_settings_ack(self): - settings_ack_frame = self.read_frame() + def _read_settings_ack(self, hide=False): + settings_ack_frame = self.read_frame(hide) assert isinstance(settings_ack_frame, frame.SettingsFrame) assert settings_ack_frame.flags & frame.Frame.FLAG_ACK assert len(settings_ack_frame.settings) == 0 @@ -67,9 +66,8 @@ class HTTP2Protocol(object): magic = self.tcp_handler.rfile.safe_read(magic_length) assert magic == self.CLIENT_CONNECTION_PREFACE - self.send_frame(frame.SettingsFrame(state=self)) - self._receive_settings() - self._read_settings_ack() + self.send_frame(frame.SettingsFrame(state=self), hide=True) + self._receive_settings(hide=True) def perform_client_connection_preface(self, force=False): if force or not self.connection_preface_performed: @@ -77,9 +75,8 @@ class HTTP2Protocol(object): self.tcp_handler.wfile.write(self.CLIENT_CONNECTION_PREFACE) - self.send_frame(frame.SettingsFrame(state=self)) - self._receive_settings() - self._read_settings_ack() + self.send_frame(frame.SettingsFrame(state=self), hide=True) + self._receive_settings(hide=True) def next_stream_id(self): if self.current_stream_id is None: @@ -93,30 +90,35 @@ class HTTP2Protocol(object): self.current_stream_id += 2 return self.current_stream_id - def send_frame(self, frame): - raw_bytes = frame.to_bytes() + def send_frame(self, frm, hide=False): + raw_bytes = frm.to_bytes() self.tcp_handler.wfile.write(raw_bytes) self.tcp_handler.wfile.flush() + if not hide and self.tcp_handler.http2_framedump: + print(frm.human_readable(">>")) - def read_frame(self): + def read_frame(self, hide=False): frm = frame.Frame.from_file(self.tcp_handler.rfile, self) - if isinstance(frm, frame.SettingsFrame): - self._apply_settings(frm.settings) + if not hide and self.tcp_handler.http2_framedump: + print(frm.human_readable("<<")) + if isinstance(frm, frame.SettingsFrame) and not frm.flags & frame.Frame.FLAG_ACK: + self._apply_settings(frm.settings, hide) return frm - def _apply_settings(self, settings): + def _apply_settings(self, settings, hide=False): for setting, value in settings.items(): old_value = self.http2_settings[setting] if not old_value: old_value = '-' - self.http2_settings[setting] = value self.send_frame( frame.SettingsFrame( state=self, - flags=frame.Frame.FLAG_ACK)) + flags=frame.Frame.FLAG_ACK), + hide) + self._read_settings_ack(hide) def _create_headers(self, headers, stream_id, end_stream=True): # TODO: implement max frame size checks and sending in chunks @@ -127,12 +129,16 @@ class HTTP2Protocol(object): header_block_fragment = self.encoder.encode(headers) - bytes = frame.HeadersFrame( + frm = frame.HeadersFrame( state=self, flags=flags, stream_id=stream_id, - header_block_fragment=header_block_fragment).to_bytes() - return [bytes] + header_block_fragment=header_block_fragment) + + if self.tcp_handler.http2_framedump: + print(frm.human_readable(">>")) + + return [frm.to_bytes()] def _create_body(self, body, stream_id): if body is None or len(body) == 0: @@ -141,12 +147,17 @@ class HTTP2Protocol(object): # TODO: implement max frame size checks and sending in chunks # TODO: implement flow-control window - bytes = frame.DataFrame( + frm = frame.DataFrame( state=self, flags=frame.Frame.FLAG_END_STREAM, stream_id=stream_id, - payload=body).to_bytes() - return [bytes] + payload=body) + + if self.tcp_handler.http2_framedump: + print(frm.human_readable(">>")) + + return [frm.to_bytes()] + def create_request(self, method, path, headers=None, body=None): if headers is None: |