def generate_availability_stats(nodes):
""" generates stats of from availability
"""
jlines = []
try:
f = BackwardsReader(DUMP_FILE)
lines_to_use = 1000
while True:
if lines_to_use == 0: break
line = f.readline()
if not line: break
jline = json.loads(line)
if not jline['nodes']: continue
jlines.append(jline)
lines_to_use -=1
except Exception,e: sys.stderr.write(str(e))
for k,v in nodes.iteritems():
v['availability'] = get_node_availability(k,jlines)
sys.stderr.write( "%s -> %f\n" %(k ,v['availability']))
if lines_to_use == 0:
break
line = f.readline()
if not line:
break
jline = json.loads(line)
if not jline["nodes"]:
continue
jlines.append(jline)
lines_to_use -= 1
except Exception, e:
sys.stderr.write(str(e))
for k, v in nodes.iteritems():
v["availability"] = get_node_availability(k, jlines)
sys.stderr.write("%s -> %f\n" % (k, v["availability"]))
def generate_stats(nodes):
""" Generates some statistics of the network and nodes
"""
for k, v in nodes.iteritems():
conns = v.get("to", [])
for c in conns: # sanitize weights
if float(c["weight"]) > 9000:
c["weight"] = str(9001)
elif float(c["weight"]) < 0:
c["weight"] = str(0)
v["num_conns"] = len(conns)
v["avg_weight"] = get_node_avg_weight(conns)
