#!/usr/bin/env python

import sys

from deter import topdl
from deter import fedid

from federation.proof import proof
from federation.remote_service import service_caller
from federation.client_lib import client_opts, exit_with_fault, RPCException,\
	wrangle_standard_options, do_rpc, get_experiment_names, info_format, \
	log_authentication

class ftopo_opts(client_opts):
    def __init__(self):
        client_opts.__init__(self)
        self.add_option("--experiment_cert", dest="exp_certfile",
		action='callback', callback=self.expand_file, type='str',
                help="experiment certificate file")
        self.add_option("--experiment_name", dest="exp_name",
                type="string", help="human readable experiment name")
	self.add_option("--fresh", dest="fresh", action="store_true",
		default=False, help="Force controller to gather fresh status")

parser = ftopo_opts()
(opts, args) = parser.parse_args()
try:
    cert, fid, url = wrangle_standard_options(opts)
except RuntimeError, e:
    sys.exit("%s" % e)

if opts.exp_name and opts.exp_certfile:
    sys.exit("Only one of --experiment_cert and --experiment_name permitted")
elif opts.exp_certfile:
    exp_id = { 'fedid': fedid(file=opts.exp_certfile) }
elif opts.exp_name:
    exp_id = { 'localname' : opts.exp_name }
else:
    sys.exit("specify one of --experiment_cert and --experiment_name")

req = { 'experiment': exp_id, 'fresh': opts.fresh }

try:
    resp_dict = do_rpc(req,
	    url, opts.transport, cert, opts.trusted, 
	    serialize_only=opts.serialize_only,
	    tracefile=opts.tracefile,
	    caller=service_caller('Info'), responseBody='InfoResponseBody')
except RPCException, e:
    exit_with_fault(e, 'Ftopo', opts)
except RuntimeError, e:
    sys.exit("Error processing RPC: %s" % e)

if 'experimentdescription' in resp_dict and \
	'topdldescription' in resp_dict['experimentdescription']:
    top = topdl.Topology(
	    **resp_dict['experimentdescription']['topdldescription'])
    for e in top.elements:
	if isinstance(e, topdl.Computer):
	    print ":".join((e.name, ",".join(e.localname), e.status or "empty",
		",".join(e.operation), e.get_attribute('testbed') or ""))
else:
    sys.exit("Badly formatted response (no experiment descrption)!?")
proof = proof.from_dict(resp_dict.get('proof', {}))
if proof and opts.auth_log:
    log_authentication(opts.auth_log, 'Ftopo', 'succeeded', proof)