def __init__(self, id, end_stream=False):
self.is_end_stream = end_stream
self._is_padded = False
Frame.__init__(self, type=FrameType.DATA, flag=0x0, id=id)
def __init__(self, id, window_size=1):
Frame.__init__(
self,
type=FrameType.WINDOW_UPDATE,
flag=0x0,
id=id,
data=None
)
self.window_size = window_size
def __init__(self, last_stream_id, error_code, debug_data):
Frame.__init__(
self,
type=FrameType.GOAWAY,
flag=0x0,
id=0x0,
data=None
)
self.last_stream_id = last_stream_id
self.error_code = error_code
self.debug_data = debug_data
def __init__(self, id, header_list=[], end_header=True, end_stream=False):
self.is_end_stream = end_stream
self.is_end_header = end_header
self._is_priority = False
self._is_padded = False
self._header_list = header_list # http header list
self._encoded_data = None
Frame.__init__(self, type=FrameType.HEADERS, flag=0x0, id=id, data=None)
def __init__(self, id, header_list=[], end_header=True):
self.is_end_header = end_header
self._is_priority = False
self._is_padded = False
self._header_list = header_list # http header list
self._encoded_data = None
self.promised_stream_id = 0x0 # default
Frame.__init__(self, type=FrameType.PUSH_PROMISE, flag=0x0, id=id, data=None)
def run_stream(self, rfile, frame_header):
(frame_len, frame_type, frame_flag, frame_id) = frame_header
raw_frame_payload = rfile.read(frame_len)
frame = Frame.load(
frame=raw_frame_payload,
header=frame_header,
decoder=self.conn.decoder
)
self.recv_frame(frame)
if self.is_recv_end_header and not self.is_run_app:
self.is_run_app = True
self.run_with_dogu(
(
self.command,
self.path,
self.http_version,
self.recv_headers,
),
self.request_payload_stream
)
if self.is_wait_res and not self.sending:
self.sending = True # start send
self.conn.flush()
return True
def get_frame_bin(self):
if self._data is None and not self.is_ack: # If user didn't set data
self._data = bytearray()
for setting in self._setting_list:
# set identifier 16 bit
self._data.append((setting[0] & 0x0000FF00) >> 8)
self._data.append((setting[0] & 0x000000FF) >> 0)
# set value 32 bit
self._data.append((setting[1] & 0xFF000000) >> 24)
self._data.append((setting[1] & 0x00FF0000) >> 16)
self._data.append((setting[1] & 0x0000FF00) >> 8)
self._data.append((setting[1] & 0x000000FF) >> 0)
elif self.is_ack: # if ACK SETTINGS frame clear payload
self._data = bytearray()
self._flag = SettingFrame.ACK_FLAG
# call super get_frame_bin
return Frame.get_frame_bin(self)
def get_frame_bin(self):
# Encode header
encoder = Encoder()
headers_frame_field = bytearray()
if self._data is None: # if user didn't touch data
self._data = encoder.encode(self._header_list) # encode header list
self._flag = self.flag # get flag by method
if self._is_padded:
headers_frame_field.append(self._pad_len) # append pad length
self._data += bytearray(self._pad_len) # append pad byte in pad length
if self._is_priority:
headers_frame_field += int_to_bytes(self._dependency_id, 4) # append dependency stream id
headers_frame_field.append(self._weight)
self._data = headers_frame_field + self._data # append HEADERS field
return Frame.get_frame_bin(self)
def get_frame_bin(self):
if self._data is None: # if user didn't touch data
self._data = bytearray()
self._data += int_to_bytes(self._dependency_id) # append dependency stream id
self._data.append(self._weight)
return Frame.get_frame_bin(self)
def get_frame_bin(self):
if self._data is None: # if user didn't touch data
self._data = bytearray()
self._data += self.opaque
if self.ack:
self._flag = 0x1
return Frame.get_frame_bin(self)
def get_frame_bin(self):
if self._data is None:
self._data = bytearray()
self._data += int_to_bytes(self.last_stream_id, 4)
self._data += int_to_bytes(self.error_code, 4)
self._data = self.debug_data.encode(GoawayFrame.GOAWAY_DEBUG_ENCODING)
return Frame.get_frame_bin(self)
def get_frame_bin(self):
headers_frame_field = bytearray()
if self._data is None:
self._data = bytearray() # check for safe
self._flag = self.flag # get flag by method
if self._is_padded:
headers_frame_field.append(self._pad_len) # append pad length
self._data += bytearray(self._pad_len) # append pad byte in pad length
self._data = headers_frame_field + self._data # append HEADERS field
return Frame.get_frame_bin(self)
def run(self):
while True:
raw_frame_header = self.rfile.read(
HTTP2Connection.STREAM_HEADER_SIZE
)
if len(raw_frame_header) == 0: # user close connection
logger.debug('user close connection')
return
try:
frame_header = Frame.parse_header(
raw_frame_header[:HTTP2Connection.STREAM_HEADER_SIZE]
)
(frame_len, frame_type, frame_flag, frame_id) = frame_header
try:
target_stream = self.get_stream(frame_id)
except StreamClosedError: # if closed error
if not (frame_type == FrameType.WINDOW_UPDATE or
frame_type == FrameType.RST_STREAM or
frame_type == FrameType.PRIORITY):
logger.debug('User send frame in closed stream(frame_type: %d)', frame_type)
raise StreamClosedError('User send frame in closed stream(frame_type: %d)' % frame_type)
# close connection
if not target_stream.run_stream(self.rfile, frame_header):
break
sleep(0)
except HTTP2Error as e:
if self.server_setting['debug']:
import traceback
traceback.format_exc()
logger.error('Goaway id %d debug data: %s', e.code, e.debug_data)
goaway = GoawayFrame(frame_id, e.code, e.debug_data)
self.write(goaway.get_frame_bin())
print("close connection")
return
def __init__(self, opaque, ack):
self.ack = ack
self.opaque = opaque
Frame.__init__(self, type=FrameType.PING, flag=0x0, id=0x0, data=None)
def __init__(self, id, error_code):
self.error_code = error_code
Frame.__init__(self, type=FrameType.PRIORITY, flag=0x0, id=id, data=None)
def get_frame_bin(self):
if self._data is None: # if user didn't touch data
self._data = int_to_bytes(self.error_code, 4)
return Frame.get_frame_bin(self)
def __init__(self, is_ack=False):
self._setting_list = []
self.is_ack = is_ack # is frame ACK SETTINGS frame
Frame.__init__(self, type=FrameType.SETTINGS, flag=0x0, id=0x0, data=None)
def __init__(self, id, dep_stream_id, weight):
self._dependency_id = dep_stream_id
self._weight = weight
Frame.__init__(self, type=FrameType.PRIORITY, flag=0x0, id=id, data=None)
def get_frame_bin(self):
if self._data is None:
self._data = int_to_bytes(self.window_size, 4)
return Frame.get_frame_bin(self)
