#coding=utf-8
from socket import *
#創(chuàng)建套接字
serSocket = socket(AF_INET, SOCK_STREAM)
#重復(fù)使用綁定信息
serSocket.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)
localAddr = ('', 7788)
#綁定端口ip
serSocket.bind(localAddr)
#監(jiān)聽
serSocket.listen(5)
while True:
  print('－－－主進(jìn)程，等待新客戶端的到來－－－')
  newSocket,destAddr = serSocket.accept()
  print('－－－主進(jìn)程，接下來負(fù)責(zé)數(shù)據(jù)處理[%s]－－－'%str(destAddr))
  try:
    while True:
      recvData = newSocket.recv(1024)
      if len(recvData)>0:
        print('recv[%s]:%s'%(str(destAddr),recvData))
      else:
        print('[%s]客戶端已經(jīng)關(guān)閉')
        break
  finally:
    newSocket.close()
serSocket.close()

#coding=utf-8
from socket import *
from multiprocessing import *
from time import sleep
#處理客戶端的請求并為其服務(wù)
def dealWithClient(newSocket,destAddr):
  try:
    while True:
      recvData = newSocket.recv(1024)
      if len(recvData) > 0:
        print('recv[%s]:%s' % (str(destAddr), recvData))
      else:
        print('[%s]客戶端已經(jīng)關(guān)閉')
        break
  finally:
    newSocket.close()
def main():
  #創(chuàng)建套接字
  serSocket = socket(AF_INET, SOCK_STREAM)
  #重復(fù)使用綁定信息
  serSocket.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)
  localAddr = ('', 7788)
  #綁定端口ip
  serSocket.bind(localAddr)
  #監(jiān)聽
  serSocket.listen(5)
  try:
    while True:
      print('－－－主進(jìn)程，等待新客戶端的到來－－－')
      newSocket,destAddr = serSocket.accept()
      print('－－－主進(jìn)程，接下來負(fù)責(zé)數(shù)據(jù)處理[%s]－－－'%str(destAddr))
      client = Process(target=dealWithClient, args=(newSocket, destAddr))
      client.start()
      # 因為已經(jīng)向子進(jìn)程中copy了一份（引用），并且父進(jìn)程中這個套接字也沒有用處了
      # 所以關(guān)閉
      newSocket.close()
  finally:
    # 當(dāng)為所有的客戶端服務(wù)完之后再進(jìn)行關(guān)閉，表示不再接收新的客戶端的鏈接
    serSocket.close()
if __name__ == '__main__':
  main()

#coding=utf-8
from socket import *
from threading import Thread
from time import sleep
# 處理客戶端的請求并執(zhí)行事情
def dealWithClient(newSocket,destAddr):
  while True:
    recvData = newSocket.recv(1024)
    if len(recvData)>0:
      print('recv[%s]:%s'%(str(destAddr), recvData))
    else:
      print('[%s]客戶端已經(jīng)關(guān)閉'%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('-----主進(jìn)程，，等待新客戶端的到來------')
      newSocket,destAddr = serSocket.accept()
      print('-----主進(jìn)程，，接下來創(chuàng)建一個新的進(jìn)程負(fù)責(zé)數(shù)據(jù)處理[%s]----'%str(destAddr))
      client = Thread(target=dealWithClient, args=(newSocket,destAddr))
      client.start()
      #因為線程中共享這個套接字，如果關(guān)閉了會導(dǎo)致這個套接字不可用，
      #但是此時在線程中這個套接字可能還在收數(shù)據(jù)，因此不能關(guān)閉
      #newSocket.close()
  finally:
    # 當(dāng)為所有的客戶端服務(wù)完之后再進(jìn)行關(guān)閉，表示不再接收新的客戶端的鏈接
    serSocket.close()
if __name__ == '__main__':
  main()

#coding=utf-8
from socket import *
import time
# 用來存儲所有的新鏈接的socket
g_socketList = []
def main():
  serSocket = socket(AF_INET, SOCK_STREAM)
  serSocket.setsockopt(SOL_SOCKET, SO_REUSEADDR , 1)
  localAddr = ('', 7788)
  serSocket.bind(localAddr)
  #可以適當(dāng)修改listen中的值來看看不同的現(xiàn)象
  serSocket.listen(1000)
  #將套接字設(shè)置為?堵塞
  #設(shè)置為?堵塞后，如果accept時，恰巧沒有客戶端connect，那么accept會
  #產(chǎn)生一個異常，所以需要try來進(jìn)行處理
  serSocket.setblocking(False)
  while True:
    #?來測試
    #time.sleep(0.5)
    try:
      newClientInfo = serSocket.accept()
    except Exception as result:
      pass
    else:
      print("一個新的客戶端到來:%s"%str(newClientInfo))
      newClientInfo[0].setblocking(False)
      g_socketList.append(newClientInfo)
  # 用來存儲需要刪除的客戶端信息
  needDelClientInfoList = []
  for clientSocket,clientAddr in g_socketList:
    try:
      recvData = clientSocket.recv(1024)
      if len(recvData)>0:
        print('recv[%s]:%s'%(str(clientAddr), recvData))
      else:
        print('[%s]客戶端已經(jīng)關(guān)閉'%str(clientAddr))
        clientSocket.close()
        g_needDelClientInfoList.append((clientSocket,clientAddr))
    except Exception as result:
      pass
  for needDelClientInfo in needDelClientInfoList:
    g_socketList.remove(needDelClientInfo)
if __name__ == '__main__':
  main()

#coding=utf-8
from socket import *
import random
import time
serverIp = input("請輸入服務(wù)器的ip:")
connNum = input("請輸入要鏈接服務(wù)器的次數(shù)(例如1000):")
g_socketList = []
for i in range(int(connNum)):
  s = socket(AF_INET, SOCK_STREAM)
  s.connect((serverIp, 7788))
  g_socketList.append(s)
  print(i)
while True:
  for s in g_socketList:
    s.send(str(random.randint(0,100)))
  # 用來測試
  #time.sleep(1)