#!/usr/bin/env python

import sys
import getopt
import traceback

from tacix.util import *

from tacix.freenx.FreeNXNode import FreeNXNode
from tacix.freenx.FreeNXNodeProtocol import FreeNXNodeProtocol

prog_name="tacix-freenx-node"

logger = get_home_logger(prog_name)

class Usage(Exception):
    def __init__(self, msg):
        self.msg = msg

def main(argv=None):
    if argv is None:
        argv = sys.argv
    try:
        try:
            opts, args = getopt.getopt(argv[1:], ":hc", ["help", "suspend",
                     "terminate", "slave"])
            if len(opts) < 1:
                print "No parameters passed"
                sys.exit(1)

            logger.debug ("opts = %s" % opts)
            logger.debug ("args = %s" % args)

            cmd = None
            sessionid = None
            if len(args) > 1:
                print( "More then one arguments was passed to node")
                sys.exit(1)
            if len(args) == 1:
                sessionid = args[0]

            for opt, arg in opts:
                if opt in ("--help", "-h"):
                    print( "help" )
                    sys.exit(0)
                elif opt in ('--suspend', '--terminate', '--slave'):
                    if cmd is not None:
                        print( "More then one command was passed to node")
                        sys.exit(1)
                    cmd = opt

            if cmd is None:
                print( "No commands passed (%s)" % opts )
                sys.exit(1)

            if cmd == '--suspend':
                pass
            elif cmd == '--terminate':
                pass
            elif cmd == '--slave':
                freenxnode = FreeNXNode( logger=logger )
                freenxnode.slave_loop()
        except getopt.error, msg:
            raise Usage(msg)
    
    except Usage, err:
        print >>sys.stderr, err.msg
        print >>sys.stderr, "for help use --help"
        return 2

    except Exception, e:
        trace = traceback.format_exc()
        logger.error('Exiting on Exception. %s' % e)

        for line in trace.split('\n'):
            logger.error('%s' % line)
        sys.exit(1)

if __name__ == "__main__":
    sys.exit(main())


