def select_msg(self, where):
msgs = self.select('select hash, time, ip, port, src, dst, type, data, ttl, id from data where %s' % where)
res = list()
for msg in msgs:
m = DTNMessage()
m.hash = msg[0]
m.time = msg[1]
m.ip = msg[2]
m.port = msg[3]
m.src = msg[4]
m.dst = msg[5]
m.type = msg[6]
m.data = msg[7]
m.ttl = msg[8]
m.id = msg[9]
res.append(m)
return res
