def _recv_hack (self, head, data, remote, forward):
record = data.split(',')
if len(record) != 5:
return -1
try:
timestamp = float(record[0])
addr1 = cnetudp.text2ep(record[1])
mode1 = int(record[2])
addr2 = cnetudp.text2ep(record[3])
mode2 = int(record[4])
except:
return -1
rtt = self.current - timestamp
rtt = min(30.0, max(0.001, rtt))
route = [ (rtt, addr1, mode1, addr2, mode2) ]
if remote != addr2 or forward != mode2:
route.append((rtt, addr1, mode1, remote, forward))
timestamp = '%.6f'%self.current
for rtt, addr1, mode1, addr2, mode2 in route:
self._send_touch(head.suid, head.skey, timestamp,
addr1, mode1, addr2, mode2)
if self.trace and (self.logmask & LOG_HACK):
self.trace('<recv hack: %s %d %s %d>'%(cnetudp.ep2text(addr1), \
mode1, cnetudp.ep2text(addr2), mode2))
return 0
def _send_syn1(self, uid, key, sport, conv, addr1, mode1, addr2, mode2):
head = cnetcom.msghead(self.uid, self.key, uid, key, sport, 0, \
CMD_SYN1, conv)
text = '%s,%d,%s,%d'%(cnetudp.ep2text(addr1), mode1, \
cnetudp.ep2text(addr2), mode2)
self.sendudp(head, text, addr2, mode2)
self.log('syn sport', sport)
return 0
def _send_syn1(self, uid, key, sport, conv, addr1, mode1, addr2, mode2):
head = cnetcom.msghead(self.uid, self.key, uid, key, sport, 0, \
CMD_SYN1, conv)
text = '%s,%d,%s,%d'%(cnetudp.ep2text(addr1), mode1, \
cnetudp.ep2text(addr2), mode2)
self.sendudp(head, text, addr2, mode2)
self.log('syn sport', sport)
return 0
def _do_establish(self):
self.establish = 1
self.state = STATE_CONNECTED
self.time_alive = self.current
self.host._port_establish(self.sport)
route = self.route
self.log('route1: %s %d' % (cnetudp.ep2text(route[1]), route[2]))
self.log('route2: %s %d' % (cnetudp.ep2text(route[3]), route[4]))
self.log('_do_establish')
def _do_establish (self):
self.establish = 1
self.state = STATE_CONNECTED
self.time_alive = self.current
self.host._port_establish(self.sport)
route = self.route
self.log('route1: %s %d'%(cnetudp.ep2text(route[1]), route[2]))
self.log('route2: %s %d'%(cnetudp.ep2text(route[3]), route[4]))
self.log('_do_establish')
def _send_hack (self, uid, key, ts, addr1, mode1, addr2, mode2):
head = msghead(self.uid, self.key, uid, key, cmd = CMD_HACK)
text = '%s,%s,%s,%s,%s'%(ts, cnetudp.ep2text(addr1), mode1, \
cnetudp.ep2text(addr2), mode2)
self.sendudp(head, text, addr1, mode1)
if self.trace and (self.logmask & LOG_HACK):
self.trace('<hack %s %d %s %d>'%(cnetudp.ep2text(addr1), mode1,\
cnetudp.ep2text(addr2), mode2))
#print '<hack %s %d %s %d>'%(addr1, mode1, addr2, mode2)
return 0
def _newroute (self, uid, key, rtt, addr1, mode1, addr2, mode2):
ident = (uid, key)
#print '[PATH] %.3f %s %d %s %d'%(rtt, addr1, mode1, addr2, mode2)
if self.trace and (self.logmask & LOG_ROUTE):
self.trace('<newroute: %s %d %s %d>'%(cnetudp.ep2text(addr1), \
mode1, cnetudp.ep2text(addr2), mode2))
if ident in self.route:
route = self.route[ident]
route.active()
route.newroute(rtt, addr1, mode1, addr2, mode2)
route.update(self.current)
return 0
def _send_hello (self, duid, dkey, linkdesc):
head = msghead(self.uid, self.key, duid, dkey, cmd = CMD_HELLO)
endpoint = cnetudp.endpoint().unmarshal(linkdesc)
destination = cnetudp.destination(endpoint)
timestamp = '%.f'%self.current
linkdesc1 = self.linkdesc()
if linkdesc[:10] == '127.0.0.1:':
linkdesc1 = self.localhost()
for addr2, mode2 in destination:
text = '%s,%s,%s,'%(timestamp, cnetudp.ep2text(addr2), mode2)
text += linkdesc1
if self.trace and (self.logmask & LOG_HELLO):
self.trace('<hello: %s %d>'%(cnetudp.ep2text(addr2), mode2))
#print '_send_hello: %s %d'%(addr2, mode2)
self.sendudp(head, text, addr2, mode2)
return 0
def _recv_tack (self, head, data, remote, forward):
record = data.split(',')
if len(record) != 5:
return -1
try:
timestamp = float(record[0])
addr1 = cnetudp.text2ep(record[1])
mode1 = int(record[2])
addr2 = cnetudp.text2ep(record[3])
mode2 = int(record[4])
except:
return -1
rtt = self.current - timestamp
rtt = min(30.0, max(0.001, rtt))
if self.trace and (self.logmask & LOG_TACK):
self.trace('<recv tack: %s %d %s %d>'%(cnetudp.ep2text(addr1), \
mode1, cnetudp.ep2text(addr2), mode2))
self._newroute(head.suid, head.skey, rtt, addr1, mode1, addr2, mode2)
return 0
def _recv_hello (self, head, data, remote, forward):
record = data.split(',')
if len(record) != 4:
return -1
timestamp = record[0]
try:
addr2 = cnetudp.text2ep(record[1]) # 取得从哪里来的：地址
mode2 = int(record[2]) # 取得从哪里来的：是否转发
linkdesc = record[3]
endpoint = cnetudp.endpoint().unmarshal(linkdesc)
except:
return -1
destination = cnetudp.destination(endpoint, remote, forward)
if self.trace and (self.logmask & LOG_HELLO):
self.trace('<recv hello: %s %d %s %d>'%(cnetudp.ep2text(remote),\
forward, cnetudp.ep2text(addr2), mode2))
for addr1, mode1 in destination:
self._send_hack(head.suid, head.skey, timestamp, \
addr1, mode1, addr2, mode2)
return 0
def route2text(rtt, addr1, mode1, addr2, mode2): text = '%.06f,%s,%d,%s,%d'%(rtt, cnetudp.ep2text(addr1), mode1, \ cnetudp.ep2text(addr2), mode2) return text
def _send_tack (self, uid, key, ts, addr1, mode1, addr2, mode2): head = msghead(self.uid, self.key, uid, key, cmd = CMD_TACK) text = '%s,%s,%s,%s,%s'%(ts, cnetudp.ep2text(addr1), mode1, \ cnetudp.ep2text(addr2), mode2) self.sendudp(head, text, addr1, mode1)