172 lines
4.3 KiB
Python
172 lines
4.3 KiB
Python
## plugins/sock.py
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##
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## Gajim Team:
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## - Yann Le Boulanger <asterix@lagaule.org>
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## - Vincent Hanquez <tab@snarc.org>
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##
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## Copyright (C) 2003-2005 Gajim Team
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##
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## This program is free software; you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published
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## by the Free Software Foundation; version 2 only.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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import socket, select
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import pickle
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import Queue
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import sys
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from common import i18n
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_ = i18n._
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def XMLescape(txt):
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"Escape XML entities"
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txt = txt.replace("&", "&")
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txt = txt.replace("<", "<")
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txt = txt.replace(">", ">")
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return txt
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def XMLunescape(txt):
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"Unescape XML entities"
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txt = txt.replace(">", ">")
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txt = txt.replace("<", "<")
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txt = txt.replace("&", "&")
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return txt
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class plugin:
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def wait(self, what):
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"""Wait for a message from Core"""
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#TODO: timeout
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temp_q = Queue.Queue(50)
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while 1:
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if not self.queueIN.empty():
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ev = self.queueIN.get()
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if ev[0] == what and ev[2][0] == 'sock':
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#Restore messages
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while not temp_q.empty():
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ev2 = temp_q.get()
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self.queueIN.put(ev2)
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return ev[2][1]
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else:
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#Save messages
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temp_q.put(ev)
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def send(self, event, account, data):
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self.queueOUT.put((event, account, data))
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def handle_queue_quit(self, account, array):
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# for sock in self.active_socket:
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# if sock != self.active_socket:
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# sock.close()
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self.quit_recieved = 1
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def handle_socket_reg_message(self, sock, array):
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for type in array:
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if self.message_types.has_key(type):
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if not sock in self.message_types[type]:
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self.message_types[type].append(sock)
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else:
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self.message_types[type] = [sock]
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def send_to_socket(self, ev, sock):
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evp = pickle.dumps(ev)
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sock.send('<'+XMLescape(evp)+'>')
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def unparse_socket(self, data):
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list_ev = []
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while data:
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deb = data.find('<')
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end = data.find('>', deb)
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list_ev.append(pickle.loads(data[deb+1:end]))
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data = data[end+1:]
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return list_ev
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def read_queue(self):
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while self.queueIN.empty() == 0:
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ev = self.queueIN.get()
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if ev[0] in self.message_types:
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for sock in self.message_types[ev[0]]:
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self.send_to_socket(ev, sock)
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if ev[0] == 'QUIT':
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self.handle_queue_quit(ev[1], ev[2])
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# return 1
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return 0
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def read_socket(self):
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ready_to_read, ready_to_write, in_error = select.select(
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self.active_socket, [], [], 0.1)
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for sock in ready_to_read:
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if sock == self.socket:
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conn, addr = self.socket.accept()
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# Connected by addr
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print _("Connection from "), addr
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self.active_socket.append(conn)
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else:
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try:
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data = sock.recv(1024)
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except:
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self.active_socket.remove(sock)
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break
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if not data:
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# disconnected
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print _("disconnected")
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self.active_socket.remove(sock)
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break
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while len(data) == 1024:
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data += sock.recv(1024)
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list_ev = self.unparse_socket(data)
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for ev in list_ev:
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if ev[0] == 'REG_MESSAGE':
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self.handle_socket_reg_message(sock, ev[2])
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ev = (ev[0], 'sock', ev[2])
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self.queueOUT.put(ev)
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return 0
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def __init__(self, quIN, quOUT):
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self.queueIN = quIN
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self.queueOUT = quOUT
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self.send('REG_MESSAGE', 'sock', ['QUIT', 'CONFIG'])
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quOUT.put(('ASK_CONFIG', None, ('sock', 'sock', {\
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'port':8255})))
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self.config = self.wait('CONFIG')
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self.message_types = {}
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#create socket
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self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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HOST = socket.gethostbyname(socket.gethostname())
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if self.config.has_key('host'):
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HOST = socket.gethostbyname(self.config['host'])
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try:
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self.socket.bind((HOST, self.config['port']))
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except:
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print _('plugin sock cannot be launched : ') + \
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str(sys.exc_info()[1][0:])
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return
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self.socket.listen(5)
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self.active_socket = [self.socket]
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end = 0
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self.quit_recieved = 0
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while not end:
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# listen to the socket
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end = self.read_socket()
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# listen to the input Queue
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end = self.read_queue()
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if self.quit_recieved:
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if len(self.active_socket) == 1:
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end = 1
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print _("plugin sock stopped")
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if __name__ == "__main__":
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plugin(None, None)
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print _("plugin sock loaded")
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