added parser and plotter for the dht.log

parse_dht_log.py

@@ -0,0 +1,36 @@
+import sys
+import os
+
+f = open(sys.argv[1])
+
+histogram = {}
+
+for i in xrange(0, 50): histogram[i] = 0
+
+for line in f.readlines():
+	try:
+		if not 'distance:' in line: continue;
+		l = line.split(' ')
+
+		d = int(l[4])
+		histogram[d] += 1
+	except:
+		print line.split(' ')
+
+out = open('dht_announce_distribution.dat', 'w+')
+for k,v in histogram.items():
+	print >>out, '%d %d' % (k, v)
+out.close()
+
+out = open('dht_announce_distribution.gnuplot', 'w+')
+out.write('''set term png size 1200,700
+set output "dht_announce_distribution.png"
+set title "bucket # announces are made against relative to target node-id"
+set ylabel "# of announces"
+set style fill solid
+set boxwidth 0.8
+plot  "dht_announce_distribution.dat" using 1:2 title "announces" with boxes''')
+out.close()
+
+os.system('gnuplot dht_announce_distribution.gnuplot');
+