# distbuild/distbuild_socket.py -- wrapper around Python 'socket' module.
#
# Copyright (C) 2012, 2014-2015 Codethink Limited
#
# This program 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; version 2 of the License.
#
# This program 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 this program. If not, see .
import socket
class DistbuildSocket(object):
'''Wraps socket.SocketType with a few helper functions.'''
def __init__(self, real_socket):
self.real_socket = real_socket
def __getattr__(self, name):
return getattr(self.real_socket, name)
def __repr__(self):
return '' % (id(self), str(self))
def __str__(self):
localname = self.localname() or '(closed)'
remotename = self.remotename()
if remotename is None:
return '%s' % self.localname()
else:
return '%s -> %s' % (self.localname(), remotename)
def accept(self, *args):
result = self.real_socket.accept(*args)
return DistbuildSocket(result[0]), result[1:]
def localname(self):
'''Get local end of socket connection as a string.'''
try:
return '%s:%s' % self.getsockname()
except socket.error:
# If the socket is in destruction we may get EBADF here.
return None
def remotename(self):
'''Get remote end of socket connection as a string.'''
try:
return '%s:%s' % self.getpeername()
except socket.error:
return None
def create_socket(*args):
return DistbuildSocket(socket.socket(*args))