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#!/usr/bin/env python
"""
socket_notify.py - Phenny Socket Notification
Copyright 2013, Alexander Sulfrian <alex@spline.inf.fu-berlin.de>
Licensed under the Eiffel Forum License 2.

http://inamidst.com/phenny/
"""

import asyncore, socket, stat, os

SOCKET_PATH = '/var/run/phenny/socket'

def setup(phenny):
    dir = os.path.dirname(SOCKET_PATH)
    if not os.path.exists(dir):
        os.makedirs(dir)
    Monitor(SOCKET_PATH, phenny)

class Sender(asyncore.dispatcher):
    def __init__(self, sock, phenny):
        asyncore.dispatcher.__init__(self, sock)
        self.phenny = phenny

    def handle_read(self):
       data = self.recv(8192)
       if data:
           for line in data.split('\n'):
               for chan in self.phenny.config.channels:
                   self.phenny.msg(chan, line)
       else:
           self.close()

class Monitor(asyncore.dispatcher):
    def __init__(self, path, phenny):
        asyncore.dispatcher.__init__(self)
        self.phenny = phenny
        self.create_socket(socket.AF_UNIX, socket.SOCK_STREAM)

        try:
            mode = os.stat(path).st_mode
            if stat.S_ISSOCK(mode):
                os.unlink(path)
            else:
               print("Path '%s' exists and is not a socket!" % path)
               sys.exit(1)
	except OSError:
            pass

        old_mask = os.umask(0o000)
        self.bind(path)
        os.umask(old_mask)

        self.listen(5)
 
    def handle_accept(self):
        pair = self.accept()
        if pair is not None:
            sock, addr = pair
            handler = Sender(sock, self.phenny)