twisterp2pblockchainnetworkbittorrentmicrobloggingipv6social-networkdhtdecentralizedtwisterarmyp2p-networktwister-servertwister-ipv6twister-core
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56 lines
1.1 KiB
56 lines
1.1 KiB
#/bin/python |
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import os |
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import sys |
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def num_ids(bits, total_bits): |
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if total_bits == 32: |
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bit_dec = 2 |
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else: |
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bit_dec = 1 |
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num_used = 7; |
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ret = 3 |
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while bits > 0: |
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ret += min(num_used, bits) |
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num_used -= bit_dec |
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if num_used < 0: num_used = 0 |
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bits -= 8 |
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return 1 << ret |
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f = open('ip_id_v4.dat', 'w+') |
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for i in range(0, 33): |
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print >>f, '%d\t%d\t%d' % (i, num_ids(i, 32), 1 << i) |
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f.close() |
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f = open('ip_id_v6.dat', 'w+') |
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for i in range(0, 65): |
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print >>f, '%d\t%d\t%d' % (i, num_ids(i, 64), 1 << i) |
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f.close() |
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f = open('ip_id.gnuplot', 'w+') |
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f.write(''' |
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set term png size 600,300 |
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set output "ip_id_v4.png" |
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set logscale y |
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set title "Number of possible node IDs" |
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set ylabel "possible node IDs" |
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set xlabel "bits controlled in IPv4" |
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set xtics 4 |
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set grid |
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plot "ip_id_v4.dat" using 1:2 title "octet-wise modulus" with lines, \ |
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"ip_id_v4.dat" using 1:3 title "hash of IP" with lines |
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set output "ip_id_v6.png" |
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set title "Number of possible node IDs" |
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set xlabel "bits controlled in IPv6" |
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plot "ip_id_v6.dat" using 1:2 title "octet-wise modulus" with lines, \ |
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"ip_id_v6.dat" using 1:3 title "hash of IP" with lines |
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''') |
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f.close() |
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os.system('gnuplot ip_id.gnuplot') |
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