def announce(self, port):
#get the local ip and set it for later use
ip = util.get_ip(self.conf)
if len(ip) == 0:
self.logger.error('No local ip-address could be found and none was specified, using default!')
ip = constants.IP
if ip != self.ip:
self.logger.info('Found local ip %s!' % (ip))
self.ip = ip
self.logger.debug('Announcing %s:%d!' % (self.ip, port))
msg = util.encrypt(self.conf['keyfile'],"CSHELO:%s:%d:OLEHSC" % (self.ip, port))
util.broadcast(msg, constants.PORT) #use fixed port for sending
def run(self):
'''
This method starts the Clipshare server and starts
listening on the given port.
'''
while True:
message, address = self.s.recvfrom(self.buf_size)
self.logger.debug('Got message, decrypting')
decrypted = None
try:
decrypted = util.decrypt(self.conf['keyfile'], message)
except CipherError:
#something went wrong during decrypting, probably garbage
self.logger.debug('Got some garbage after decrypting, ignoring')
t = util.get_message_type(decrypted)
if t == 'CSHELO':
#new client found, add it to the list
(remote_ip, port) = util.parse_cs_helo_msg(decrypted)
local_ip = util.get_ip(self.conf)
#check that the remote_ip isn't our own ip:
if str(remote_ip) != local_ip:
self.clientlistlock.acquire()
if str(remote_ip) not in self.clientlist:
self.logger.info('Added client with ip %s on port %d!' % (remote_ip, port))
self.clientlist[remote_ip] = (port, datetime.now())
self.clientlistlock.release()
elif t == 'CSCONTENT':
#new content, put it in clipboard
content = util.parse_cs_content_msg(decrypted)
self.just_in = content
if 'debug' in self.conf:
self.logger.debug('Got new content: "' + content + '" from %s' % address[0])
else:
self.logger.info('Got new content from %s!' % address[0])
util.store_in_clipboard(content)
else:
#garbage
pass
