giambio/giambio/socket.py

54 lines
1.4 KiB
Python

"""
Basic abstraction layer for giambio asynchronous sockets
"""
from .core import EventLoop
import socket
class AsyncSocket(object):
"""Abstraction layer for asynchronous sockets"""
def __init__(self, sock: socket.socket, loop: EventLoop):
self.sock = sock
self.sock.setblocking(False)
self.loop = loop
async def receive(self, max_size: int):
"""Receives up to max_size from a socket asynchronously"""
return await self.loop.read_sock(self.sock, max_size)
async def accept(self):
"""Accepts the socket, completing the 3-step TCP handshake asynchronously"""
to_wrap = await self.loop.accept_sock(self.sock)
return self.loop.wrap_socket(to_wrap[0]), to_wrap[1]
async def send_all(self, data: bytes):
"""Sends all data inside the buffer asynchronously until it is empty"""
return await self.loop.sock_sendall(self.sock, data)
async def close(self):
"""Closes the socket asynchronously"""
await self.loop.close_sock(self.sock)
async def connect(self, addr: tuple):
"""Connects the socket to an endpoint"""
await self.loop.connect_sock(self.sock, addr)
def __enter__(self):
return self.sock.__enter__()
def __exit__(self, *args):
return self.sock.__exit__(*args)
def __repr__(self):
return f"giambio.socket.AsyncSocket({self.sock}, {self.loop})"