# TIC server simulator
import socket
import re
import time

HOST = ''
PORT = 3874
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((HOST, PORT))
s.listen(1)

print "TIC Server Waiting for client on port", PORT

while 1:
    c, addr = s.accept()
    print "I got a connection from", addr
    c.send ("200 TIC Service ready\n")
    while 1:
        data = c.recv(1024)
        if data:
            print data,

            m = re.match("client", data)
            if m:
                data = "200 Client Identity accepted"
                print data
                c.send (data + "\n")
                continue

            m = re.match("get unixtime", data)
            if m:
                data = "200 " + str(int(time.time()))
                print data
                c.send (data + "\n")
                continue

            m = re.match("username (\w+)", data)
            if m:
                user = m.group(1)
                data = "200 test choose your authentication challenge please"
                print data
                c.send (data + "\n")
                continue

            m = re.match("challenge md5", data)
            if m:
                data = "200 0123456789abcdef0123456789abcdef"
                print data
                c.send (data + "\n")
                continue

            m = re.match("authenticate md5 (\w+)", data)
            if m:
                passwd = m.group(1)
                data = "200 Successfully logged in using md5 as " + user
                print data
                c.send (data + "\n")
                continue

            m = re.match("tunnel show (\w+)", data)
            if m:
                tun = m.group(1)
                data = "201 Showing tunnel information for " + tun + "\n"
                data += "TunnelId: " + tun + "\n"
                data += "Type: ayiya\n"
                data += "IPv6 Endpoint: 2001:db8:1900:aa::2\n"
                data += "IPv6 POP: 2001:db8:1900:aa::1\n"
                data += "IPv6 PrefixLength: 64\n"
                data += "Tunnel MTU: 1280\n"
                data += "Tunnel Name: Test\n"
                data += "POP Id: test\n"
                data += "IPv4 Endpoint: heartbeat\n"
                data += "IPv4 POP: 10.2.16.131\n"
                data += "UserState: enabled\n"
                data += "AdminState: enabled\n"
                data += "Password: " + passwd + "\n"
                data += "Heartbeat_Interval: 60\n"
                data += "202 Done"
                print data
                c.send (data + "\n")
                continue

            m = re.match("QUIT", data)
            if m:
                c.close()
                break