Python asynchronous transceiver Data Socket combat

Python Write a send and receive data with the socket, their own test concurrency can reach 10k+, with a 20-minute one, not much direct code

#!/usr/bin/python#coding:utf-8# author:51reboot.comimport socket,selectimport os,sys,copyhost  =  ' 0.0.0.0 ' Port = 8089s = socket.socket (socket.af_inet, socket. SOCK_STREAM) s.setsockopt (socket. Sol_socket, socket. SO_REUSEADDR, 1)      #  release Port s.setblocking (0)                                                #  set to non-blocking s.bind ((Host,port)) S.listen (Ten)                                                    #  Waiting on column # listen: accept -> read -> process -> write -> closing# accpet: read ->  process -> wriet -> closing#  state machine   Template state_m = {     -1:{                             # sock           ' s ': ' Read ',               # sock  status          ' R ':{                         # read  information              ' have ' :0,               #  number of bytes read              ' Need ':10,               #  number of bytes to read         },          ' W ':{                        # write  's Data               ' have ':0,                #  data that has been write                ' Need ':0,                #  data needed for write          },          ' d ': ',         #  For storing data     },}statE= {}def state_machine (sock):    if sock == s:         #  Monitoring socket        conn,addr =  s.accept ()         s.setblocking (0)                      #  set to non-blocking          state[conn] = copy.deepcopy (STATE_M[-1])               #  assign an initial value to this connection          r_list.append (conn)                   #  add sock to   list of required r_list information     else:         #  already accept the Socket        stat  = state[sock][' s ']             #  save  sock  Status information         if stat ==  ' read ':                   #如果状态为read, you need to read the operation              if state[sock][' R ' [' Need '] == 0:                 #   If the  client  sent all of the data read all over                  r_list.remove (sock)                                        #  sock  The list that needs to be read remove                 state[sock][' s '] =  ' process '                               #  Modify the status of sock                  state_machine (sock)                                        #  make a callback              else:                 ONE_READ = SOCK.RECV (state[sock][' r ' [' Need '])                #  reads the specified number of bytes                  state[sock][' d '] += one_read                                  #  Update bytes Read                  #  needs to rearrange the data that has been read and the data that needs to be read                  state[sock][' R ' [' Have '] +=  Len (one_read)                  state[sock][' R ' [' Need '] -= len (one_read)                  if state[sock][' R ' [' Have '] == 10:                     #  Read the header message and start reading the main content                     state[ sock][' R ' [' Need '] += int (state[sock][' d '])        #  Modify the number of bytes to be read Next                      state[sock][' d '] =  '                                      #  Empty The data you've received          elif stat ==  ' Process ':             #  after reading the data sent by the client, start returning the data to the client              response = state[sock][' d '][::-1]                                #  Invert characters             state[sock][' d '] =  "%010d%s"  %  (Len (response), response)          #  Update received data             state[sock][' W ' [' Need '] =  Len (state[sock][' d '])                  #  Update the number of bytes to emit             state[ sock][' s '] =  ' write '                                         #  Modify the status of sock to write              w_list.Append (sock)                                                #  Add sock  to  W_LIST         elif stat ==  ' Write ':             print  "Wirite", state             #  If the status is  write, send data to the client              last_have_send = state[sock][' W ' [' Have ']                         #  Save the number of bytes sent             have_send  = sock.send (STATE[SOCk][' d '][last_have_send:])         #  send data to the client, returning the number of bytes returned              state[sock][' W ' [' Have '] += have_ send                            #  Modify emitted bytes              state[sock][' W ' [' Need '] -= have_send                             #  Modify the bytes that need to be emitted              if state[sock][' W ' [' Need '] == 0 and state[sock][' W '] [' have ']  != 0:                #   Close sock  & If the data has been sent outnbsp;             state[sock][' s '] =   ' closing '         elif stat ==  ' closing ':             print  "Closing", state                          #  Close Connection              State.pop (sock)                                                    #  Remove sock from status             try:                  w_list.remove (sock)                                                #   Remove sock from W_list             except  valueerror:                 Pass            sock.close ()                                                        #  Close Connection R_list = [s ]            # -readable sock queue w_list = []              #  Writable sock Queue Non_stop = truewhile true :     try:        r_socks,w_socks,err_socks =  select.select (r_list,w_list,[])     except socket.error,e:         print e    for sock in r_socks:         state_machine (sock)     for sock in  w_socks:        state_machine (sock)

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Python asynchronous transceiver Data Socket combat