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https://github.com/jlu5/PyLink.git
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107 lines
4.1 KiB
Python
107 lines
4.1 KiB
Python
# servermaps.py: Maps out connected IRC servers.
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from pylinkirc import utils, world
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from pylinkirc.log import log
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from pylinkirc.coremods import permissions
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import collections
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def _percent(num, total):
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return '%.1f' % (num/total*100)
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def _map(irc, source, args, show_relay=True):
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"""[<network>]
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Shows the network map for the given network, or the current network if not specified."""
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permissions.check_permissions(irc, source, ['servermaps.map'])
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try:
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netname = args[0]
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except IndexError:
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netname = irc.name
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try:
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ircobj = world.networkobjects[netname]
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except KeyError:
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irc.error('no such network %s' % netname)
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return
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servers = collections.defaultdict(set)
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hostsid = ircobj.sid
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usercount = len(ircobj.users)
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# Iterate over every connected server on every network.
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for remotenet, remoteirc in world.networkobjects.items():
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for sid, serverobj in remoteirc.servers.copy().items():
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if sid == remoteirc.sid: # Don't re-add our own SID to the index
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continue
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# Save the server as UNDER its uplink.
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servers[(remotenet, serverobj.uplink or remoteirc.sid)].add(sid)
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log.debug('(%s) servermaps.map servers fetched for %s: %s', irc.name, netname, servers)
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reply = lambda text: irc.reply(text, private=True)
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def showall(ircobj, sid, hops=0, is_relay_server=False):
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log.debug('servermaps: got showall() for SID %s on network %s', sid, ircobj.name)
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serverlist = ircobj.servers.copy()
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netname = ircobj.name
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if hops == 0:
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# Show our root server once.
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rootusers = len(serverlist[sid].users)
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reply('\x02%s\x02[%s]: %s user(s) (%s%%) {hopcount: %d}' % (serverlist[sid].name, sid,
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rootusers, _percent(rootusers, usercount), serverlist[sid].hopcount))
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log.debug('(%s) servermaps: servers under sid %s: %s', irc.name, sid, servers)
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# Every time we descend a server to process its map, raise the hopcount used in formatting.
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hops += 1
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leaves = servers[(netname, sid)]
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for leafcount, leaf in enumerate(leaves):
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if is_relay_server and hasattr(serverlist[leaf], 'remote'):
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# Don't show relay subservers more than once.
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continue
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serverusers = len(serverlist[leaf].users)
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if is_relay_server:
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# Skip showing user data for relay servers.
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reply("%s\x02%s\x02[%s] (via PyLink Relay)" %
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(' '*hops, serverlist[leaf].name, leaf))
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else:
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reply("%s\x02%s\x02[%s]: %s user(s) (%s%%) {hopcount: %d}" %
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(' '*hops, serverlist[leaf].name, leaf,
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serverusers, _percent(serverusers, usercount), serverlist[leaf].hopcount))
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showall(ircobj, leaf, hops, is_relay_server=is_relay_server)
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if (not is_relay_server) and hasattr(serverlist[leaf], 'remote') and show_relay:
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# This is a relay server - display the remote map of the network it represents
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relay_server = serverlist[leaf].remote
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remoteirc = world.networkobjects[relay_server]
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if remoteirc.has_cap('can-track-servers'):
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# Only ever show relay subservers once - this prevents infinite loops.
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showall(remoteirc, remoteirc.sid, hops=hops, is_relay_server=True)
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else:
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# Afterwards, decrement the hopcount.
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hops -= 1
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# Start the map at our PyLink server
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firstserver = hostsid
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showall(ircobj, firstserver)
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serverlist = irc.servers
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reply('Total %s users on %s local servers - average of %1.f per server' % (usercount, len(serverlist),
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usercount/len(serverlist)))
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utils.add_cmd(_map, 'map')
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@utils.add_cmd
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def localmap(irc, source, args):
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"""[<network>]
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Shows the network map for the given network, or the current network if not specified.
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This command does not expand Relay subservers."""
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_map(irc, source, args, show_relay=False)
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