lbry-sdk/scripts/dht_monitor.py
2017-10-10 13:55:31 -04:00

103 lines
2.7 KiB
Python

import curses
import time
from jsonrpc.proxy import JSONRPCProxy
import logging
log = logging.getLogger(__name__)
log.addHandler(logging.FileHandler("dht contacts.log"))
# log.addHandler(logging.StreamHandler())
log.setLevel(logging.INFO)
stdscr = curses.initscr()
api = JSONRPCProxy.from_url("http://localhost:5280")
def init_curses():
curses.noecho()
curses.cbreak()
stdscr.nodelay(1)
stdscr.keypad(1)
def teardown_curses():
curses.nocbreak()
stdscr.keypad(0)
curses.echo()
curses.endwin()
def refresh(last_contacts, last_blobs):
height, width = stdscr.getmaxyx()
try:
routing_table_info = api.routing_table_get()
node_id = routing_table_info['node id']
except:
node_id = "UNKNOWN"
routing_table_info = {
'buckets': {},
'contacts': [],
'blob hashes': []
}
for y in range(height):
stdscr.addstr(y, 0, " " * (width - 1))
buckets = routing_table_info['buckets']
stdscr.addstr(0, 0, "node id: %s" % node_id)
stdscr.addstr(1, 0, "%i buckets, %i contacts, %i blobs" %
(len(buckets), len(routing_table_info['contacts']),
len(routing_table_info['blob hashes'])))
y = 3
for i in sorted(buckets.keys()):
stdscr.addstr(y, 0, "bucket %s" % i)
y += 1
for h in sorted(buckets[i], key=lambda x: x['id'].decode('hex')):
stdscr.addstr(y, 0, '%s (%s) - %i blobs' % (h['id'], h['address'], len(h['blobs'])))
y += 1
y += 1
new_contacts = set(routing_table_info['contacts']) - last_contacts
lost_contacts = last_contacts - set(routing_table_info['contacts'])
if new_contacts:
for c in new_contacts:
log.debug("added contact %s", c)
if lost_contacts:
for c in lost_contacts:
log.info("lost contact %s", c)
new_blobs = set(routing_table_info['blob hashes']) - last_blobs
lost_blobs = last_blobs - set(routing_table_info['blob hashes'])
if new_blobs:
for c in new_blobs:
log.debug("added blob %s", c)
if lost_blobs:
for c in lost_blobs:
log.info("lost blob %s", c)
stdscr.addstr(y + 1, 0, str(time.time()))
stdscr.refresh()
return set(routing_table_info['contacts']), set(routing_table_info['blob hashes'])
def do_main():
c = None
last_contacts, last_blobs = set(), set()
while c not in [ord('q'), ord('Q')]:
last_contacts, last_blobs = refresh(last_contacts, last_blobs)
c = stdscr.getch()
time.sleep(0.1)
def main():
try:
init_curses()
do_main()
finally:
teardown_curses()
if __name__ == "__main__":
main()