def synchronize():
global old_id
cur_id=old_id
try:
passwd_mgr=urllib2.HTTPPasswordMgrWithDefaultRealm()
passwd_mgr.add_password(None, status_url, username, password)
handler=urllib2.HTTPBasicAuthHandler(passwd_mgr)
opener=urllib2.build_opener(handler)
urllib2.install_opener(opener)
a_url = status_url + status_page + "?since_id=" + str(old_id)
f=opener.open(a_url)
urllib2.install_opener(opener)
xml = f.read()
#print xml
root = ET.fromstring(xml)
for child in root.findall('status'):
try:
data = child.find('text').text
time = child.find('created_at').text
idx = child.find('id').text
except:
print "Invalid Status"
break
sid = int(idx)
print "sid: %d, cur: %d, old: %d" % (sid, cur_id, old_id)
if sid > old_id: # new command found
if sid > cur_id:
cur_id = sid
pkt = cmd.verify_msg(data, "keys/mrpub.pem")
ccpkt.parsing(pkt)
old_id = cur_id
except Exception as inst:
print type(inst)
print inst
def synchronize():
global old_id
cur_id = old_id
try:
passwd_mgr = urllib2.HTTPPasswordMgrWithDefaultRealm()
passwd_mgr.add_password(None, status_url, username, password)
handler = urllib2.HTTPBasicAuthHandler(passwd_mgr)
opener = urllib2.build_opener(handler)
urllib2.install_opener(opener)
a_url = status_url + status_page + "?since_id=" + str(old_id)
f = opener.open(a_url)
urllib2.install_opener(opener)
xml = f.read()
#print xml
root = ET.fromstring(xml)
for child in root.findall('status'):
try:
data = child.find('text').text
time = child.find('created_at').text
idx = child.find('id').text
except:
print "Invalid Status"
break
sid = int(idx)
print "sid: %d, cur: %d, old: %d" % (sid, cur_id, old_id)
if sid > old_id: # new command found
if sid > cur_id:
cur_id = sid
pkt = cmd.verify_msg(data, "keys/mrpub.pem")
ccpkt.parsing(pkt)
old_id = cur_id
except Exception as inst:
print type(inst)
print inst
def handle(self):
data = self.request[0].strip()
sock = self.request[1]
# print "Receiving %s from %s ..." % (data, self.client_address[0])
msg = ccpkt.get_ack_msg()
try:
sock.settimeout(5)
sock.sendto(msg, self.client_address)
except socket.timeout:
pass
#sock.close() #FIXME: should I close the socket???
print "Recv: ", data
cmd = ccpkt.parsing(data)
print "Parsing command: ", cmd
if cmd is 'grp':
for peer in peerlist.keys():
print "Contacting ", peer
if peerlist[peer] is 'active':
host,port=peer.split(':')
print "forward to %s:%d " % (host, int(port))
i = 0
while i < 3:
try:
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.settimeout(5)
sock.sendto(data, (host, int(port))) #FIXME: Should be raw data (encrypted)
recv = sock.recvfrom(1024)
sock.close()
except socket.timeout:
print "Socket timeout"
peerlist[peer] = 'dead'
i += 1
continue;
pkt = recv[0].strip()
cmd = ccpkt.parsing(pkt)
if cmd == 'ack':
peerlist[peer] = 'active'
break
def p2p_init(ip):
# start udp server
while True:
try:
port = random.randint(1025, 65535)
print "Try to listening at UDP %d ..." % port
server = udp_server((ip, port), udp_server_handler)
server_thread=threading.Thread(target=server.serve_forever)
server_thread.daemon=True
server_thread.start()
print "Starting listening at %s:%d ..." % (ip, port)
break;
except:
print "Fail to listen at UDP %d." % port
# check peer list
for peer in peerlist.keys():
i = 0
host,port=peer.split(':')
while i < 3:
try:
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
chmsg = ccpkt.get_checkin_msg(host, int(port))
sock.settimeout(5)
sock.sendto(chmsg, (host, int(port)))
recv = sock.recvfrom(1024)
sock.close()
except socket.timeout as te:
print "Not receive Ack. Make %s dead." % peer
peerlist[peer]='dead'
i = i+1
continue
pkt = recv[0].strip()
cmd = ccpkt.parsing(pkt)
if cmd is 'ack':
peerlist[peer] = 'active'
break;
print peerlist
while True:
pass
