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import socket
import threading
import atexit
IP = "0.0.0.0"
PORT = 5025
# Bind server socket when this module is included
_serverSocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
_serverSocket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
_serverSocket.bind((IP, PORT))
_serverSocket.listen(1)
# Close it when the program exits
def _cleanUp():
_serverSocket.close()
atexit.register(_cleanUp)
class VirtualTCPServer:
def __init__(self):
self._stopFlag = False
self._clientSocket = None
self._mainThread = threading.Thread(target=self._mainLoop)
self._mainThread.start()
def _mainLoop(self) -> None:
self._clientSocket, _ = _serverSocket.accept()
self._clientSocket.settimeout(0.1)
try:
while not self._stopFlag:
try:
request = self._clientSocket.recv(4096).decode()
response = self._handleRequest(request.strip())
if response is not None:
self._clientSocket.send(response.encode())
except TimeoutError as e:
pass
finally:
self._clientSocket.close()
def stop(self) -> None:
self._stopFlag = True
self._mainThread.join()
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