def bytes_received(request, node_id):
#print 'Bytes received'
try:
d = request.session.get(request.session.session_key)
if d is None:
raise Exception, INVALID_SESSION_MSG
if NS_TRACEFILE_KEY in d:
#print 'Trace file key found'
if NS_TRACEFILE_MODE in d:
#print 'Trace file format found (', d[NS_TRACEFILE_MODE], ')'
# Create a TraceAnalyzer object
ta = TraceAnalyzer(d[NS_TRACEFILE_KEY], d[NS_TRACEFILE_MODE])
bytes_rcvd = ta.get_cumulative_bytes_received_for_node(node_id)
label = 'Bytes received by %s' % node_id
bytes_rcvd = {
'data': bytes_rcvd,
'label': label,
}
#print bytes_rcvd
return HttpResponse(json.dumps(bytes_rcvd))
else:
raise KeyError, 'Trace file mode not set!'
else:
raise KeyError, 'Wrong key!!!'
except KeyError, ke:
#print str(ke)
mesg = str(ke)
error = {'error' : mesg}
return HttpResponse(json.dumps(error))
