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PyLink/plugins/servermaps.py
2017-06-29 23:01:39 -07:00

105 lines
4.0 KiB
Python

# servermaps.py: Maps out connected IRC servers.
from pylinkirc import utils, world
from pylinkirc.log import log
from pylinkirc.coremods import permissions
import collections
def _percent(num, total):
return '%.1f' % (num/total*100)
def _map(irc, source, args, show_relay=True):
"""[<network>]
Shows the network map for the given network, or the current network if not specified."""
permissions.checkPermissions(irc, source, ['servermaps.map'])
try:
netname = args[0]
except IndexError:
netname = irc.name
try:
ircobj = world.networkobjects[netname]
except KeyError:
irc.error('no such network %s' % netname)
return
servers = collections.defaultdict(set)
hostsid = ircobj.sid
usercount = len(ircobj.users)
# Iterate over every connected server on every network.
for remotenet, remoteirc in world.networkobjects.items():
for sid, serverobj in remoteirc.servers.copy().items():
if sid == remoteirc.sid: # Don't re-add our own SID to the index
continue
# Save the server as UNDER its uplink.
servers[(remotenet, serverobj.uplink or remoteirc.sid)].add(sid)
log.debug('(%s) servermaps.map servers fetched for %s: %s', irc.name, netname, servers)
reply = lambda text: irc.reply(text, private=True)
def showall(ircobj, sid, hops=0, is_relay_server=False):
log.debug('servermaps: got showall() for SID %s on network %s', sid, ircobj.name)
serverlist = ircobj.servers.copy()
netname = ircobj.name
if hops == 0:
# Show our root server once.
rootusers = len(serverlist[sid].users)
reply('\x02%s\x02[%s]: %s user(s) (%s%%)' % (serverlist[sid].name, sid,
rootusers, _percent(rootusers, usercount)))
log.debug('(%s) servermaps: servers under sid %s: %s', irc.name, sid, servers)
# Every time we descend a server to process its map, raise the hopcount used in formatting.
hops += 1
leaves = servers[(netname, sid)]
for leafcount, leaf in enumerate(leaves):
if is_relay_server and hasattr(serverlist[leaf], 'remote'):
# Don't show relay subservers more than once.
continue
serverusers = len(serverlist[leaf].users)
if is_relay_server:
# Skip showing user data for relay servers.
reply("%s\x02%s\x02[%s] (via PyLink Relay)" % (' '*hops, serverlist[leaf].name, leaf))
else:
reply("%s\x02%s\x02[%s]: %s user(s) (%s%%)" % (' '*hops, serverlist[leaf].name, leaf,
serverusers, _percent(serverusers, usercount)))
showall(ircobj, leaf, hops, is_relay_server=is_relay_server)
if (not is_relay_server) and hasattr(serverlist[leaf], 'remote') and show_relay:
# This is a relay server - display the remote map of the network it represents
relay_server = serverlist[leaf].remote
remoteirc = world.networkobjects[relay_server]
if remoteirc.has_cap('can-track-servers'):
# Only ever show relay subservers once - this prevents infinite loops.
showall(remoteirc, remoteirc.sid, hops=hops, is_relay_server=True)
else:
# Afterwards, decrement the hopcount.
hops -= 1
# Start the map at our PyLink server
firstserver = hostsid
showall(ircobj, firstserver)
serverlist = irc.servers
reply('Total %s users on %s local servers - average of %1.f per server' % (usercount, len(serverlist),
usercount/len(serverlist)))
utils.add_cmd(_map, 'map')
@utils.add_cmd
def localmap(irc, source, args):
"""[<network>]
Shows the network map for the given network, or the current network if not specified.
This command does not expand Relay subservers."""
_map(irc, source, args, show_relay=False)