gr-air-modes/python/raw_server.py

52 lines
1.5 KiB
Python

#
# Copyright 2010 Nick Foster
#
# This file is part of gr-air-modes
#
# gr-air-modes is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# gr-air-modes is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with gr-air-modes; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
import time, os, sys, socket
from datetime import *
class raw_server:
def __init__(self, port):
self._s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self._s.bind(('', port))
self._s.listen(1)
self._s.setblocking(0) #nonblocking
self._conns = [] #list of active connections
def __del__(self):
self._s.close()
def output(self, msg):
for conn in self._conns[:]: #iterate over a copy of the list
try:
conn.send(msg)
except socket.error:
self._conns.remove(conn)
print("Connections: ", len(self._conns))
def add_pending_conns(self):
try:
conn, addr = self._s.accept()
self._conns.append(conn)
print("Connections: ", len(self._conns))
except socket.error:
pass