diff options
author | EUcancER <root@euer.krebsco.de> | 2011-10-26 15:21:10 +0200 |
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committer | EUcancER <root@euer.krebsco.de> | 2011-10-26 15:21:10 +0200 |
commit | ad5d0233ce202aeef725f9ede6c164abfa30c6c4 (patch) | |
tree | a28f14489b6fdde141d82b2ed8440443cb093010 /retiolum/scripts/adv_graphgen/parse.py | |
parent | 702cbc1307f55acef930c0413fd3362f1a71a6f3 (diff) |
//retiolum/adv_graphgen:add availability to parser
Diffstat (limited to 'retiolum/scripts/adv_graphgen/parse.py')
-rwxr-xr-x | retiolum/scripts/adv_graphgen/parse.py | 48 |
1 files changed, 45 insertions, 3 deletions
diff --git a/retiolum/scripts/adv_graphgen/parse.py b/retiolum/scripts/adv_graphgen/parse.py index ed1ef5b6..ca45ca15 100755 --- a/retiolum/scripts/adv_graphgen/parse.py +++ b/retiolum/scripts/adv_graphgen/parse.py @@ -5,6 +5,7 @@ import sys,json supernodes= [ "kaah","supernode","euer","pa_sharepoint","oxberg" ] """ TODO: Refactoring needed to pull the edges out of the node structures again, it should be easier to handle both structures""" +DUMP_FILE = "/srv/http/tmp/live/availability" def write_digraph(nodes): """ writes the complete digraph in dot format @@ -15,12 +16,20 @@ def write_digraph(nodes): print (' node[shape=box,style=filled,fillcolor=grey]') print (' overlap=false') generate_stats(nodes) - nodes = delete_unused_nodes(nodes) merge_edges(nodes) write_stat_node(nodes) for k,v in nodes.iteritems(): write_node(k,v) print ('}') +def dump_graph(nodes): + from time import time + graph = {} + graph['nodes'] = nodes + graph['timestamp'] = time() + f = open(DUMP_FILE,'a') + json.dump(graph,f) + f.write('\n') + f.close() def write_stat_node(nodes): ''' Write a `stats` node in the corner This node contains infos about the current number of active nodes and connections inside the network @@ -40,8 +49,39 @@ def write_stat_node(nodes): def generate_stats(nodes): """ Generates some statistics of the network and nodes """ + f = open(DUMP_FILE,'r') + flines = f.readlines() + f.close() for k,v in nodes.iteritems(): v['num_conns'] = len(v.get('to',[])) + v['availability'] = get_node_availability(k,flines) + sys.stderr.write( "%s -> %f\n" %(k ,v['availability'])) + +def get_node_availability(name,flines): + """ calculates the node availability by reading the generated dump file + adding together the uptime of the node and returning the time + parms: + name - node name + f - archival dump line array + """ + begin = last = current = 0 + uptime = 0 + #sys.stderr.write ( "Getting Node availability of %s\n" % name) + for line in flines: + stat = json.loads(line) + ts = stat['timestamp'] + if not begin: + begin = last = ts + current = ts + if stat['nodes'].get(name,{}).get('to',[]): + uptime += current - last + else: + pass + #sys.stderr.write("%s offline at timestamp %f\n" %(name,current)) + last = ts + all_the_time = last - begin + return uptime/ all_the_time + def delete_unused_nodes(nodes): new_nodes = {} for k,v in nodes.iteritems(): @@ -57,7 +97,6 @@ def delete_unused_nodes(nodes): def merge_edges(nodes): """ merge back and forth edges into one DESTRUCTS the current structure by deleting "connections" in the nodes - """ for k,v in nodes.iteritems(): for con in v.get('to',[]): @@ -75,9 +114,10 @@ def write_node(k,v): node = " "+k+"[label=\"" node += k+"\\l" - node += "external:"+v['external-ip']+":"+v['external-port']+"\\l" + node += "availability: %.2f%%\\l" % (v['availability'] * 100) if v.has_key('num_conns'): node += "Num Connects:"+str(v['num_conns'])+"\\l" + node += "external:"+v['external-ip']+":"+v['external-port']+"\\l" for addr in v.get('internal-ip',['¯\\\\(°_o)/¯']): node += "internal:"+addr+"\\l" node +="\"" @@ -138,4 +178,6 @@ def parse_input(): {'name':l[2],'addr':l[4],'port':l[6],'weight' : l[10] }) return nodes nodes = parse_input() +nodes = delete_unused_nodes(nodes) +dump_graph(nodes) write_digraph(nodes) |