def from_bytes(cls, data):
if not check_bytes_length(data, 68):
return None
offset = 0
offset, length = Network.read_byte_as_int(data, offset)
offset, protocol = Network.read_bytes(data, 19, offset)
offset, reserved = Network.read_bytes(data, 8, offset)
offset, info_hash = Network.read_bytes(data, 20, offset)
offset, peer_id = Network.read_bytes(data, 20, offset)
result = cls(info_hash)
result.length = length
result.protocol = protocol
result.reserved = reserved
result.peer_id = peer_id
return result
def from_bytes(cls, data):
if not check_minimal_bytes_length(data, 10):
return None
offset = 1
offset, piece_index = Network.read_integer(data, offset)
offset, data_offset = Network.read_integer(data, offset)
offset, data_bytes = Network.read_bytes(data,
len(data) - offset, offset)
return cls(piece_index, data_offset, data_bytes)
def from_bytes(cls, data):
added = []
dropped = []
offset, payload_data = Network.read_bytes(data, len(data) - 2, 2)
payload = Bencode.bdecode(payload_data)
if b'added' in payload:
addedbytes = payload[b'added']
total_peers = int(len(addedbytes) / 6)
offset = 0
for index in range(total_peers):
added.append(uri_from_bytes(addedbytes[offset:offset + 6]))
offset += 6
return cls(added, dropped)
def from_bytes(cls, data):
if not check_minimal_bytes_length(data, 2):
return None
offset, payload_data = Network.read_bytes(data, len(data) - 2, 2)
payload = Bencode.bdecode(payload_data)
metadata_message_type = payload[b'msg_type']
piece_index = payload[b'piece']
total_size = 0
metadata = None
if metadata_message_type == MetadataMessageType.Data:
if b'total_size' not in payload:
return None
total_size = payload[b'total_size']
metadata = data[2 + len(Bencode.bencode(payload)):len(data)]
return cls(None, metadata_message_type, piece_index, total_size,
metadata)
def from_bytes(cls, data):
if not check_minimal_bytes_length(data, 3):
return None
offset, payload = Network.read_bytes(data, len(data) - 2, 2)
return cls(payload)
def from_bytes(cls, data):
if not check_minimal_bytes_length(data, 2):
return None
offset, bitfield = Network.read_bytes(data, len(data) - 1, 1)
return cls(bitfield)