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65 lignes
2.1 KiB
65 lignes
2.1 KiB
#!/usr/bin/env python3.7
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import socket # socket, AF_INET, SOCK_STREAM, SOL_SOCKET, SO_REUSEADDR
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import logging
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import threading
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import ClientConnection
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class Server(object):
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"""
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A simple chat application server
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"""
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clients = []
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soc = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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soc.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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def __init__(self, host: str, port: int, maxClients=64):
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self.host = host
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self.port = port
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self.soc.bind((host, port))
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self.maxClients = maxClients
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def run(self) -> None:
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"""
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Start the server and start to listen for incoming connection
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"""
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self.soc.listen(self.maxClients)
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logging.info('Start listening on {}:{} maximum {} clients'.format(
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self.host, self.port, self.maxClients))
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while True:
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conn, addr = self.soc.accept()
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client = ClientConnection.ClientConnection(self, conn, addr)
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msg = '{} has joined the chat.'.format(client.addr)
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self._announce(msg)
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self.clients.append(client)
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t = threading.Thread(target=client.serve)
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t.daemon = True
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t.start()
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def removeClient(self, client: ClientConnection.ClientConnection) -> None:
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"""
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Remove client from this server list of connected clients
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"""
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msg = '{} has left the chat.'.format(client.nameFormat())
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self.clients.remove(client)
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self._announce(msg)
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def _announce(self, announcement: str) -> None:
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"""
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Send announcement from system to all connected clients
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"""
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msg = '[system] {}'.format(announcement)
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logging.info(msg)
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for client in self.clients:
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client.send(msg)
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def sendToAll(self, sender: ClientConnection.ClientConnection, msg: str) -> None:
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"""
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Broadcast message from one client to other clients
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"""
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msg = '{} {}'.format(sender.nameFormat(), msg)
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logging.info(msg)
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for client in self.clients:
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if client != sender:
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client.send(msg)
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