Count statistics about connections for bitcoind RPC

stats.py

#!/usr/local/bin/python3                                                                                                   [5/1819]
import sys
sys.path.append('./bitcoin/test/functional')
from test_framework.authproxy import AuthServiceProxy, JSONRPCException
import time
import os

datadir = os.path.join(os.getenv('HOME'), '.bitcoin')
with open(os.path.join(datadir,'.cookie'),'r') as f:
    cookie = f.read()
tgt = "http://%s@127.0.0.1:8332/" % (cookie)
proxy = AuthServiceProxy(tgt)
out = sys.stdout # stream to write to

while True:
    now = time.time()
    peers = proxy.getpeerinfo()
    in_ipv4 = 0
    in_ipv6 = 0
    in_tor = 0
    out_ipv4 = 0
    out_ipv6 = 0
    out_tor = 0
    for peer in peers:
        addr = peer['addr']
        if peer['inbound']:
            if addr.startswith('['):
                in_ipv6 += 1
            elif addr.startswith('127.0.0.1:'):
                in_tor += 1
            else:
                in_ipv4 += 1
        else:
            if addr.startswith('['):
                out_ipv6 += 1
            elif '.onion' in addr:
                out_tor += 1
            else:
                out_ipv4 += 1
    print('[by network]')
    print('in:  ipv4 %3d ipv6 %3d tor %3d' % (in_ipv4, in_ipv6, in_tor))
    print('out: ipv4 %3d ipv6 %3d tor %3d' % (out_ipv4, out_ipv6, out_tor))
    break