55 lines
1.3 KiB
Python
55 lines
1.3 KiB
Python
from .stream_interface import IStream
|
|
import asyncio
|
|
|
|
class Stream(IStream):
|
|
|
|
def __init__(self, peer_id, maddr):
|
|
self.peer_id = peer_id
|
|
|
|
ip = maddr.get_protocol_value("ip4")
|
|
port = maddr.get_protocol_value("tcp")
|
|
|
|
self.open_connection(ip, port)
|
|
|
|
async def open_connection(self, ip, port):
|
|
self.reader, self.writer = await asyncio.open_connection(ip, port)
|
|
|
|
def protocol(self):
|
|
"""
|
|
:return: protocol id that stream runs on
|
|
"""
|
|
return self.protocol_id
|
|
|
|
def set_protocol(self, protocol_id):
|
|
"""
|
|
:param protocol_id: protocol id that stream runs on
|
|
:return: true if successful
|
|
"""
|
|
self.protocol_id = protocol_id
|
|
|
|
def read(self):
|
|
"""
|
|
read from stream
|
|
:return: bytes of input
|
|
"""
|
|
return self.reader.read(-1)
|
|
|
|
def write(self, _bytes):
|
|
"""
|
|
write to stream
|
|
:return: number of bytes written
|
|
"""
|
|
return self.write_to_stream(_bytes)
|
|
|
|
async def write_to_stream(self, _bytes):
|
|
to_return = self.writer.write(_bytes)
|
|
await self.writer.drain()
|
|
return to_return
|
|
|
|
def close(self):
|
|
"""
|
|
close stream
|
|
:return: true if successful
|
|
"""
|
|
self.writer.close()
|