def _recv_sack1 (self, port):
if self.state != STATE_C_SYN1:
cnetcom.plog('state error2')
return -1
self.dport = port
self.head.dport = port
self.state = STATE_C_SYN2
self.timeout_reset()
return 0
def _recv_sack1(self, port):
if self.state != STATE_C_SYN1:
cnetcom.plog('state error2')
return -1
self.dport = port
self.head.dport = port
self.state = STATE_C_SYN2
self.timeout_reset()
return 0
def _recv_syn1(self, dport, addr1, mode1, addr2, mode2):
if self.state != STATE_L_SYN1:
cnetcom.plog('state error1')
return -1
self.dport = dport
self.head.dport = self.dport
self.route = (0.2, addr1, mode1, addr2, mode2)
self.dstaddr = self.route[1]
self.dstmode = self.route[2]
self.state = STATE_L_SYN2
return 0
def _recv_syn1 (self, dport, addr1, mode1, addr2, mode2):
if self.state != STATE_L_SYN1:
cnetcom.plog('state error1')
return -1
self.dport = dport
self.head.dport = self.dport
self.route = (0.2, addr1, mode1, addr2, mode2)
self.dstaddr = self.route[1]
self.dstmode = self.route[2]
self.state = STATE_L_SYN2
return 0
def _recv_syn1(self, head, data, remote, forward):
deny_it = self.deny(head.suid, head.skey)
if deny_it:
newhead = cnetcom.msghead(self.uid, self.key, head.suid, \
head.skey, 0, head.sport, CMD_DENY)
self.sendudp(newhead, '', remote, forward)
return -1
record = data.split(',')
if len(record) != 4:
return -2
try:
addr1 = cnetudp.text2ep(record[0])
mode1 = int(record[1])
addr2 = cnetudp.text2ep(record[2])
mode2 = int(record[3])
except:
cnetcom.plog('error syn1')
return -3
ident = head.suid, head.skey, head.sport
conn = None
if ident in self.listen:
port = self.listen[ident]
if not port in self.ports:
del self.listen[ident]
else:
conn = self.ports[port]
if not conn:
sport = self._port_open(TYPE_LISTENER, head.suid, head.skey, \
head.conv, '')
conn = self.ports[sport]
conn._recv_syn1(head.sport, addr1, mode1, \
addr2, mode2)
self.ports[sport] = conn
self.listen[ident] = conn.sport
text = '%d' % conn.sport
conn.send(CMD_SACK1, text)
self.log('recv_syn1 from uid=%d key=%d' % (head.suid, head.skey))
return 0
def _recv_syn1(self, head, data, remote, forward):
deny_it = self.deny(head.suid, head.skey)
if deny_it:
newhead = cnetcom.msghead(self.uid, self.key, head.suid, \
head.skey, 0, head.sport, CMD_DENY)
self.sendudp(newhead, '', remote, forward)
return -1
record = data.split(',')
if len(record) != 4:
return -2
try:
addr1 = cnetudp.text2ep(record[0])
mode1 = int(record[1])
addr2 = cnetudp.text2ep(record[2])
mode2 = int(record[3])
except:
cnetcom.plog('error syn1')
return -3
ident = head.suid, head.skey, head.sport
conn = None
if ident in self.listen:
port = self.listen[ident]
if not port in self.ports:
del self.listen[ident]
else:
conn = self.ports[port]
if not conn:
sport = self._port_open(TYPE_LISTENER, head.suid, head.skey, \
head.conv, '')
conn = self.ports[sport]
conn._recv_syn1(head.sport, addr1, mode1, \
addr2, mode2)
self.ports[sport] = conn
self.listen[ident] = conn.sport
text = '%d'%conn.sport
conn.send(CMD_SACK1, text)
self.log('recv_syn1 from uid=%d key=%d'%(head.suid, head.skey))
return 0
def _recv_sack1(self, head, data, remote, forward):
try:
port = int(data)
except:
cnetcom.plog('error sack1')
return -1
sport = head.dport
dport = head.sport
if not sport in self.ports:
cnetcom.plog('no such port %d' % sport)
msghead = cnetcom.msghead(head.duid, head.dkey, \
head.suid, head.skey, CMD_NOPORT, head.conv)
self.sendudp(msghead, '', remote, forward)
return -2
conn = self.ports[sport]
if conn.conv != head.conv:
cnetcom.plog('conv error %d' % sport)
msghead = cnetcom.msghead(head.duid, head.dkey, \
head.suid, head.skey, CMD_NOCONV, head.conv)
self.sendudp(msghead, '', remote, forward)
return -3
conn._recv_sack1(port)
return 0
def _recv_sack1(self, head, data, remote, forward):
try:
port = int(data)
except:
cnetcom.plog('error sack1')
return -1
sport = head.dport
dport = head.sport
if not sport in self.ports:
cnetcom.plog('no such port %d'%sport)
msghead = cnetcom.msghead(head.duid, head.dkey, \
head.suid, head.skey, CMD_NOPORT, head.conv)
self.sendudp(msghead, '', remote, forward)
return -2
conn = self.ports[sport]
if conn.conv != head.conv:
cnetcom.plog('conv error %d'%sport)
msghead = cnetcom.msghead(head.duid, head.dkey, \
head.suid, head.skey, CMD_NOCONV, head.conv)
self.sendudp(msghead, '', remote, forward)
return -3
conn._recv_sack1(port)
return 0
def log(self, *args):
if not self.canlog:
return -1
cnetcom.plog('[%d]' % (self.uid), *args)
return 0
def log (self, *args):
if not self.canlog:
return -1
cnetcom.plog('[%d]'%(self.uid), *args)
return 0