Python Socket编程详细介绍

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import socket
import pickle
import thread


PORT = 12345
EOF = '0x00'


class SocketServer(object):

  def __init__(self, port=None):
    self.port = port

  def startup(self):
    sock_server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    sock_server.bind(('0.0.0.0', self.port))
    sock_server.listen(0)

    while True:
      sock, address = sock_server.accept()
      thread.start_new_thread(self.__invoke, (sock, address))

  def shutdown(self):
    pass

  def __invoke(self, sock, address):
    try:
      full_data = ''
      while True:
        data = sock.recv(1024)
        if data is None:
          return

        full_data += data
        if full_data.endswith(EOF):
          full_data = full_data[0:len(full_data) - len(EOF)]
          request = pickle.loads(full_data)
          response = SimpleRequestHandler().handle(request)
          sock.sendall(pickle.dumps(response) + EOF)
          return
    except Exception as e:
      print e
    finally:
      sock.close()


class SocketClient(object):

  def __init__(self, host, port):
    self.host = host
    self.port = port

  def execute(self, request):
    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    sock.connect((self.host, self.port))

    try:
      sock.sendall(pickle.dumps(request) + EOF)
      full_data = ''
      while True:
        data = sock.recv(1024)
        if data:
          full_data += data
          if full_data.endswith(EOF):
            full_data = full_data[0:len(full_data) - len(EOF)]
            response = pickle.loads(full_data)
            return response
        else:
          return None
    except Exception as e:
      print e
      return None
    finally:
      sock.close()


class SocketRequest(object):
  def __init__(self, data):
    self.data = data

  def __repr__(self):
    return repr(self.__dict__)


class SocketResponse(object):
  def __init__(self, data):
    self.data = data

  def __repr__(self):
    return repr(self.__dict__)


class SimpleRequestHandler(object):
  def __init__(self):
    pass

  def __repr__(self):
    return repr(self.__dict__)

  def handle(self, request):
    return SocketResponse(request.data)

#!/usr/bin/env python
# -*- coding: utf-8 -*-
from agent.sockets import *

ss = SocketServer(PORT)
ss.startup()

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import pickle
from agent.sockets import *


sc = SocketClient('localhost', PORT)
request = SocketRequest('abc')
response = sc.execute(request)
print request
print response