# Simple syslog

import sys, os
from socket import *
from select import select

class Syslogd:
   def goSyslog(self, output, sockName):
       sock = socket(AF_UNIX, SOCK_STREAM)

       try:
           os.unlink(sockName)
       except os.error:
           pass

       sock.bind(sockName)
       acceptedFds = []
       sock.listen(5)

       while (1):
           list = acceptedFds + [ sock ]
           list = select(list, [], [])[0]
           try:
               list.remove(sock)
               (fd, remoteAddr) = sock.accept()
               acceptedFds.append(fd)
           except ValueError:
               pass

           for fd in list:
               msg = fd.recv(50)
               if (msg):
                   output.write(msg)
               else:
                   acceptedFds.remove(fd)
                   fd.close()

   def __del__(self):
       self.kill()

   def kill(self):
       os.kill(self.child, 15)
       os.waitpid(self.child, 0)

   def __init__(self, root = "", output = sys.stdout, socket = "/dev/log"):
       output = output
       filename = root + socket;
       self.goSyslog(output, filename)

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