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- #!/usr/bin/python3
- #
- import basic_protocols
- import logging
- import enum
- import time
- import socket
- #
- class ClientConnectionProtocol(basic_protocols.Protocol):
- def __init__(self, endpoint, data, proxy=None, username=None):
- self.endpoint = endpoint
- self.data = data
- self.proxy = proxy
- self.username = username
- #
- self.states = enum.Enum('CLIENT_CONN_STATES', 'READY_TO_BEGIN CONNECT_TO_PROXY SEND_DATA DONE')
- self.state = self.states.READY_TO_BEGIN
- #
- self.socket = socket.socket()
- self.sub_protocol = None
- #
- if self.proxy is None:
- logging.debug('Socket %d connecting to endpoint %r...', self.socket.fileno(), self.endpoint)
- self.socket.connect(self.endpoint)
- else:
- logging.debug('Socket %d connecting to proxy %r...', self.socket.fileno(), self.proxy)
- self.socket.connect(self.proxy)
- #
- #
- def _run_iteration(self, block=True):
- if self.state is self.states.READY_TO_BEGIN:
- if self.proxy is None:
- self.sub_protocol = basic_protocols.SendDataProtocol(self.socket, self.data)
- self.state = self.states.SEND_DATA
- else:
- #self.sub_protocol = basic_protocols.Socks4Protocol(self.socket, self.endpoint, username=self.username)
- self.sub_protocol = basic_protocols.WeirdProtocol(self.socket, self.endpoint)
- self.state = self.states.CONNECT_TO_PROXY
- #
- #
- if self.state is self.states.CONNECT_TO_PROXY:
- if self.sub_protocol.run(block=block):
- self.sub_protocol = basic_protocols.SendDataProtocol(self.socket, self.data)
- self.state = self.states.SEND_DATA
- #
- #
- if self.state is self.states.SEND_DATA:
- if self.sub_protocol.run(block=block):
- self.state = self.states.DONE
- return True
- #
- #
- return False
- #
- #
- class ServerConnectionProtocol(basic_protocols.Protocol):
- def __init__(self, socket, conn_id, data_callback=None):
- self.socket = socket
- self.conn_id = conn_id
- self.data_callback = data_callback
- #
- self.states = enum.Enum('SERVER_CONN_STATES', 'READY_TO_BEGIN RECV_DATA DONE')
- self.state = self.states.READY_TO_BEGIN
- #
- self.sub_protocol = None
- #
- def _run_iteration(self, block=True):
- if self.state is self.states.READY_TO_BEGIN:
- self.sub_protocol = basic_protocols.ReceiveDataProtocol(self.socket)
- self.state = self.states.RECV_DATA
- #
- if self.state is self.states.RECV_DATA:
- if self.sub_protocol.run(block=block):
- self.data_callback(self.conn_id, self.sub_protocol.received_data)
- self.state = self.states.DONE
- return True
- #
- #
- return False
- #
- #
- if __name__ == '__main__':
- import sys
- logging.basicConfig(level=logging.DEBUG)
- #
- import random
- random.seed(10)
- data_to_send = bytearray(random.getrandbits(8) for _ in range(1024*1024*100))
- #
- print('Generated bytes')
- #
- if sys.argv[1] == 'client':
- import os
- #
- endpoint = ('127.0.0.1', 4747)
- #endpoint = ('127.0.0.1', 8627)
- #proxy = ('127.0.0.1', 9003+int(sys.argv[3])-1)
- #proxy = ('127.0.0.1', 9003)
- proxy = ('127.0.0.1', 12849)
- #proxy = None
- username = bytes([x for x in os.urandom(12) if x != 0])
- #username = None
- #
- client = ClientConnectionProtocol(endpoint, data_to_send, proxy=proxy, username=username)
- client.run()
- #
- elif sys.argv[1] == 'server':
- import multiprocessing
- import queue
- #
- endpoint = ('127.0.0.1', 4747)
- processes = []
- processes_map = {}
- joinable_connections = multiprocessing.Queue()
- conn_counter = [0]
- group_queue = multiprocessing.Queue()
- bw_queue = multiprocessing.Queue()
- #
- def data_callback(conn_id, data):
- # check data here
- print('Received {} MB'.format(len(data)/(1024**2)))
- print('Data matches: {}'.format(data==data_to_send))
- #
- def start_server_conn(socket, conn_id):
- server = ServerConnectionProtocol(socket, conn_id, data_callback=data_callback)
- try:
- server.run()
- except KeyboardInterrupt:
- socket.close()
- finally:
- joinable_connections.put(conn_id)
- #
- #
- def accept_callback(socket):
- conn_id = conn_counter[0]
- conn_counter[0] += 1
- #logging.debug('Adding connection %d', conn_id)
- p = multiprocessing.Process(target=start_server_conn, args=(socket, conn_id))
- processes.append(p)
- processes_map[conn_id] = p
- p.start()
- socket.close()
- # close this process' copy of the socket
- #
- l = basic_protocols.ServerListener(endpoint, accept_callback)
- #
- try:
- while True:
- l.accept()
- try:
- while True:
- conn_id = joinable_connections.get(False)
- p = processes_map[conn_id]
- p.join()
- #
- except queue.Empty:
- pass
- #
- #
- except KeyboardInterrupt:
- print()
- #
- for p in processes:
- p.join()
- #
- #
- #
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