handle incoming, definition of send_message

This commit is contained in:
Alex Haynes 2018-11-11 17:15:55 -05:00
parent c8447ef6ab
commit 478cd033d5
3 changed files with 68 additions and 4 deletions

View File

@ -1,3 +1,4 @@
import asyncio
from .muxed_connection_interface import IMuxedConn
from transport.stream.Stream import Stream
@ -13,12 +14,16 @@ class MuxedConn(IMuxedConn):
"""
self.raw_conn = conn
self.initiator = initiator
self.buffers = {}
self.streams = {}
self.add_incoming_task()
def close(self):
"""
close the stream muxer and underlying raw connection
"""
pass
self.raw_conn.close()
def is_closed(self):
"""
@ -27,13 +32,15 @@ class MuxedConn(IMuxedConn):
"""
pass
def open_stream(self, protocol_id, stream_name, peer_id, multi_addr):
def open_stream(self, protocol_id, stream_id, peer_id, multi_addr):
"""
creates a new muxed_stream
:return: a new stream
"""
return Stream(peer_id, multi_addr, self)
stream = Stream(peer_id, multi_addr, self)
self.streams[stream_id] = stream
self.buffers[stream_id] = bytearray()
return stream
def accept_stream(self):
@ -42,3 +49,30 @@ class MuxedConn(IMuxedConn):
:return: the accepted stream
"""
pass
def send_message(self, header, data):
"""
sends a message over the connection
:param header: header to use
:param data: data to send in the message
:return: True if success
"""
pass
async def handle_incoming(self):
data = bytearray()
while True:
chunk = self.raw_conn.reader.read(100)
if not chunk:
break
data += chunk
# Read header
# Read message length
# Read message into corresponding buffer
def add_incoming_task(self):
loop = asyncio.get_event_loop()
handle_incoming_task = loop.create_task(self.handle_incoming())
handle_incoming_task.add_done_callback(self.add_incoming_task)

26
muxer/mplex/utils.py Normal file
View File

@ -0,0 +1,26 @@
def encode_uvarint(number):
"""Pack `number` into varint bytes"""
buf = b''
while True:
towrite = number & 0x7f
number >>= 7
if number:
buf += bytes((towrite | 0x80, ))
else:
buf += bytes((towrite, ))
break
return buf
def decode_uvarint(buff):
shift = 0
result = 0
index = 0
while True:
i = buff[index]
result |= (i & 0x7f) << shift
shift += 7
if not i & 0x80:
break
index += 1
return result, index

View File

@ -9,6 +9,10 @@ class RawConnection(IRawConnection):
self.reader = reader
self.writer = writer
def close(self):
self.writer.close()
# def __init__(self, ip, port):
# self.conn_ip = ip
# self.conn_port = port