python 简单搭建阻塞式单进程,多进程,多线程服务的实例

from socket import *
serSocket = socket(AF_INET, SOCK_STREAM)
#重复使用绑定的信息
serSocket.setsockopt(SOL_SOCKET, SO_REUSEADDR , 1)

localAddr = ('', 7788)
serSocket.bind(localAddr)

serSocket.listen(5)

while True:
 print('-----主进程，等待客户端连接------')
 newSocket,destAddr = serSocket.accept()
 print('-----.主进程，接下来负责数据处理[%s]-----'%str(destAddr))
 try:
  while True:
  recvData = newSocket.recv(1024)
  if len(recvData)>0:
   print('recv[%s]:%s'%(str(destAddr), recvData))
  else:
   print('[%s]客户端已经关闭...'%str(destAddr))
  break
 finally:
  newSocket.close()

from socket import *
from multiprocessing import *
from time import sleep
# 处理客户端的请求并为其服务
def dealWithClient(newSocket,destAddr):
 while True:
  recvData = newSocket.recv(1024)
  if len(recvData)>0:
   print('recv[%s]:%s'%(str(destAddr), recvData))
  else:
   print('[%s]客户端已经关闭'%str(destAddr))
   break
 newSocket.close()
def main():
 serSocket = socket(AF_INET, SOCK_STREAM)
 serSocket.setsockopt(SOL_SOCKET, SO_REUSEADDR , 1)
 localAddr = ('', 7788)
 serSocket.bind(localAddr)
 serSocket.listen(5)
 try:
  while True:
  print('-----主进程，，等待新客户端的到来------')
  newSocket,destAddr = serSocket.accept()
  print('-----主进程，，接下来创建.个新的进程负责数据处理[%s]-----'
  client = Process(target=dealWithClient, args=(newSocket,destAddr))
  client.start()
  #因为已经向.进程中copy了.份（引.），并且.进程中这个套接字也没有用处了
  #所以关闭
  newSocket.close()
 finally:
  #当为所有的客户端服务完之后再进.关闭，表示不再接收新的客户端的链接
  serSocket.close()
 if __name__ == '__main__':
  main()

#coding=utf-8
from socket import *
from threading import Thread
from time import sleep

# 处理客户端的请求并执行
def dealWithClient(newSocket,destAddr):
 while True:
  recvData = newSocket.recv(1024)
  if len(recvData)>0:
   print('recv[%s]:%s'%(str(destAddr), recvData))
  else:
   print('[%s]客户端已经关闭'%str(destAddr))
   break
 newSocket.close()

def main():
 serSocket = socket(AF_INET, SOCK_STREAM)
 serSocket.setsockopt(SOL_SOCKET, SO_REUSEADDR , 1)
 localAddr = ('', 7788)
 serSocket.bind(localAddr)
 serSocket.listen(5)
 try:
  while True:
   print('-----主进程，，等待新客户端的到来------')
   newSocket,destAddr = serSocket.accept()
   print('-----主进程，，接下来创建.个新的进程负责数据处理[%s]-----'
   client = Thread(target=dealWithClient, args=(newSocket,destAddr))
   client.start()

   #这里不要关闭，线程共享资源，关闭了会导致全部线程均关闭
   #newSocket.close()
 finally:
  serSocket.close()
if __name__ == '__main__':
main()