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Module: server demo/server.py

This module provides a simple server real IGS clients can connect to using localhost:8888. Additionally for a test and debugging run the client of this demonstration should connect to this server to allow some basic control. To bind the server to another port than the default 8888 use the commandline parameter -b <port>.

Imported modules   
import IGSCP.__init__
import demo
from igs_messages import *
import socket
import string
import sys
import threading
Functions   
broadcast
cleanup_threads
client_conn
main
run_server
send
shutdown
  broadcast 
broadcast ( text,  req=None )

Send text to all connected clients except the requesting one if the req argument is given. If req is None, send to all clients without exception

  cleanup_threads 
cleanup_threads ()

Remove dead threads from threads list

  client_conn 
client_conn ( conn,  addr )

This function is called within an own thread to handle communication with one client

  main 
main ( args=None )

Server main method. Parse commandline parameters and then start the server.

  run_server 
run_server ( port=None )

Run server and wait for connections

  send 
send ( conn,  text )

  shutdown 
shutdown ()

Shutdown server and inform clients This sometimes still hangs because one thread is locked in the recieve command, but a forceful Ctrl-C in the server terminal usually does the trick.


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