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586 lines
18 KiB
Python
586 lines
18 KiB
Python
from copy import deepcopy
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from math import ceil
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from twisted.internet.threads import deferToThread
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import main
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from modules import helpers
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from utils.logging.debug import debug, trace
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from utils.logging.log import error, log, warn
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def getAllChannels(net=None):
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"""
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Get a list of all channels on all relays.
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:return: list of channels
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"""
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channels = {}
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if not net:
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nets = main.network.keys()
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else:
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nets = [net]
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for net in nets:
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relays = helpers.get_connected_relays(net)
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for relay in relays:
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if net not in channels:
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channels[net] = {}
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if relay.num not in channels[net]:
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channels[net][relay.num] = []
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for channel in relay.channels:
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channels[net][relay.num].append(channel)
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# debug(f"getAllChannels(): {channels}")
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return channels
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def getDuplicateChannels(net=None, total=False):
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"""
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Get a list of duplicate channels.
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:return: list of duplicate channels
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"""
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allChans = getAllChannels(net)
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duplicates = {}
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for net in allChans.keys():
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net_chans = []
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inst = {}
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# add all the channels from this network to a list
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for num in allChans[net].keys():
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net_chans.extend(allChans[net][num])
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for channel in net_chans:
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count_chan = net_chans.count(channel)
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# I don't know why but it works
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# this is used in userinfo.delChannels
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set_min = 1
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if total:
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set_min = 0
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if count_chan > set_min:
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inst[channel] = count_chan
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if inst:
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duplicates[net] = inst
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if total:
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return duplicates
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to_part = {}
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for net in allChans:
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if net in duplicates:
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for num in allChans[net].keys():
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for channel in allChans[net][num]:
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if channel in duplicates[net].keys():
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if duplicates[net][channel] > 1:
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if net not in to_part:
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to_part[net] = {}
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if num not in to_part[net]:
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to_part[net][num] = []
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to_part[net][num].append(channel)
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duplicates[net][channel] -= 1
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return to_part
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def partChannels(data):
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for net in data:
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for num in data[net]:
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name = f"{net}{num}"
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if name in main.IRCPool.keys():
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for channel in data[net][num]:
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if channel in main.IRCPool[name].channels:
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main.IRCPool[name].part(channel)
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log(f"Parted {channel} on {net} - {num}")
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def getEnabledRelays(net):
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"""
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Get a list of enabled relays for a network.
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:param net: network
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:rtype: list of int
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:return: list of enabled relay numbers
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"""
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enabledRelays = [x for x in main.network[net].relays.keys() if main.network[net].relays[x]["enabled"]]
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# debug(f"getEnabledRelays() {net}: {enabledRelays}")
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return enabledRelays
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def getConnectedRelays(net):
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"""
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Get a list of connected relays for a network.
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:param net: network
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:rtype: list of int
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:return: list of relay numbers
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"""
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enabledRelays = getEnabledRelays(net)
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connectedRelays = []
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for i in enabledRelays:
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name = net + str(i)
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if name in main.IRCPool.keys():
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if main.IRCPool[name].isconnected:
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connectedRelays.append(i)
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# debug(f"getConnectedRelays() {net}: {connectedRelays}")
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return connectedRelays
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def getActiveRelays(net):
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"""
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Get a list of active relays for a network.
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:param net: network
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:rtype: list of int
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:return: list of relay numbers
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"""
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enabledRelays = getEnabledRelays(net)
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activeRelays = []
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for i in enabledRelays:
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name = net + str(i)
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if name in main.IRCPool.keys():
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# debug(
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# (
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# f"getActiveRelays() {net}: {i} auth:{main.IRCPool[name].authenticated} "
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# f"conn:{main.IRCPool[name].isconnected}"
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# )
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# )
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if main.IRCPool[name].authenticated and main.IRCPool[name].isconnected:
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activeRelays.append(i)
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debug(f"getActiveRelays() {net}: {activeRelays}")
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return activeRelays
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def relayIsActive(net, num):
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"""
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Check if a relay is active.
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:param net: network
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:param num: relay number
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:rtype: bool
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:return: True if relay is active, False otherwise
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"""
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activeRelays = getActiveRelays(net)
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return num in activeRelays
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def allRelaysActive(net):
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"""
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Check if all enabled relays are active and authenticated.
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:param net: network
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:rtype: bool
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:return: True if all relays are active and authenticated, False otherwise
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"""
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activeRelays = getActiveRelays(net)
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enabledRelays = getEnabledRelays(net)
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relaysActive = len(activeRelays) == len(enabledRelays)
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# debug(f"allRelaysActive() {net}: {relaysActive} ({activeRelays}/{enabledRelays})")
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return relaysActive
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def getAverageChanlimit(net):
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"""
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Get the average channel limit for a network.
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:param net: network
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:rtype: int
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:return: average channel limit
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"""
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total = 0
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for i in getActiveRelays(net):
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name = net + str(i)
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if name in main.IRCPool.keys():
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total += main.IRCPool[name].chanlimit
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avg_chanlimit = total / len(getActiveRelays(net))
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debug(f"getAverageChanlimit() {net}: {avg_chanlimit}")
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return avg_chanlimit
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def getSumChanlimit(net):
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"""
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Get the sum of all channel limits for a network.
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:param net: network
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:rtype: int
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:return: sum of channel limits
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"""
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total = 0
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for i in getActiveRelays(net):
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name = net + str(i)
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if name in main.IRCPool.keys():
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total += main.IRCPool[name].chanlimit
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return total
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def getChanFree(net):
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"""
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Get a dictionary with the free channel spaces for
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each relay, and a channel limit.
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Example return:
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({1: 99}, 100)
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:param net: network
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:return: ({relay: channel spaces}, channel limit)
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"""
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chanfree = {}
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for i in getActiveRelays(net):
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name = net + str(i)
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if name not in main.IRCPool.keys():
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continue
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if not main.IRCPool[name].isconnected:
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continue
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chanfree[i] = main.IRCPool[name].chanlimit - len(main.IRCPool[name].channels)
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return chanfree
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def getTotalChans(net):
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"""
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Get the total number of channels on all relays for a network.
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:param net: network
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:rtype: int
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:return: total number of channels
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"""
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total = 0
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for i in getActiveRelays(net):
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name = net + str(i)
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if name in main.IRCPool.keys():
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total += len(main.IRCPool[name].channels)
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return total
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def emptyChanAllocate(net, flist):
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"""
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Allocate channels to relays.
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:param net: network
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:param flist: list of channels to allocate
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:param new: list of newly provisioned relays to account for
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:rtype: dict
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:return: dictionary of {relay: list of channels}"""
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# Get the free channel spaces for each relay
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chanfree = getChanFree(net)
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if not chanfree:
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return
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# Pretend the newly provisioned relays are already on the network
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# for i in new:
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# chanfree[0][i] = chanfree[1]
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allocated = {}
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newlist = list(flist)
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chan_slots_used = getTotalChans(net)
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max_chans = getSumChanlimit(net) - chan_slots_used
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trunc_list = newlist[:max_chans]
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debug(f"emptyChanAllocate() {net}: newlist:{len(newlist)} trunc_list:{len(trunc_list)}")
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for i in chanfree.keys():
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for x in range(chanfree[i]):
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if not len(trunc_list):
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break
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if i in allocated.keys():
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allocated[i].append(trunc_list.pop())
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else:
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allocated[i] = [trunc_list.pop()]
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return allocated
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def populateChans(net, clist):
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"""
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Populate channels on relays.
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Stores channels to join in a list in main.TempChan[net][num]
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:param net: network
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:param clist: list of channels to join
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:param new: list of newly provisioned relays to account for"""
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# divided = array_split(clist, relay)
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allocated = emptyChanAllocate(net, clist)
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trace(f"populateChans() allocated:{allocated}")
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if not allocated:
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return
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for i in allocated.keys():
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if net in main.TempChan.keys():
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main.TempChan[net][i] = allocated[i]
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else:
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main.TempChan[net] = {i: allocated[i]}
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trace(f"populateChans() TempChan {net}{i}: {allocated[i]}")
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def notifyJoin(net):
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"""
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Notify relays to join channels.
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They will pull from main.TempChan and remove channels they join.
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:param net: network
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"""
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for i in getActiveRelays(net):
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name = net + str(i)
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if name in main.IRCPool.keys():
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trace(f"notifyJoin() {name}")
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main.IRCPool[name].checkChannels()
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def minifyChans(net, listinfo, as_list=False):
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"""
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Remove channels from listinfo that are already covered by a relay.
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:param net: network
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:param listinfo: list of channels to check
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:type listinfo: list of [channel, num_users]
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:return: list of channels with joined channels removed
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:rtype: list of [channel, num_users]
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"""
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# We want to make this reusable for joining a bunch of channels.
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if as_list:
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channel_list = listinfo
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if not allRelaysActive(net):
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error("All relays for %s are not active, cannot minify list" % net)
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return False
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for i in getConnectedRelays(net):
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name = net + str(i)
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for x in main.IRCPool[name].channels:
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if as_list:
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for y in channel_list:
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if y == x:
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channel_list.remove(y)
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else:
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for y in listinfo:
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if y[0] == x:
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listinfo.remove(y)
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if not as_list:
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if not listinfo:
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log("We're on all the channels we want to be on, dropping LIST")
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return False
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if as_list:
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return channel_list
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else:
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return listinfo
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def keepChannels(net, listinfo, mean, sigrelay, relay):
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"""
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Minify channels, determine whether we can cover all the channels
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on the network, or need to use 'significant' mode.
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Truncate the channel list to available channel spaces.
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Allocate these channels to relays.
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Notify relays that they should pull from TempChan to join.
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:param net: network
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:param listinfo: list of [channel, num_users] lists
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:param mean: mean of channel population
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:param sigrelay: number of relays needed to cover significant channels
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:param relay: number of relays needed to cover all channels
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:param chanlimit: maximum number of channels to allocate to a relay
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"""
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listinfo = minifyChans(net, listinfo)
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if not listinfo:
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return
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if relay <= main.config["ChanKeep"]["SigSwitch"]: # we can cover all of the channels
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coverAll = True
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elif relay > main.config["ChanKeep"]["SigSwitch"]: # we cannot cover all of the channels
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coverAll = False
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# if not sigrelay <= main.config["ChanKeep"]["MaxRelay"]:
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# error("Network %s is too big to cover: %i relays required" % (net, sigrelay))
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# return
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num_instances = len(getActiveRelays(net))
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debug(f"keepChannels() {net} instances:{num_instances}")
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chan_slots_used = getTotalChans(net)
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debug(f"keepChannels() slots_used:{chan_slots_used}")
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# max_chans = (chanlimit * num_instances) - chan_slots_used
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max_chans = getSumChanlimit(net) - chan_slots_used
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if max_chans < 0:
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max_chans = 0
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debug(f"keepChannels() max_chans:{max_chans}")
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if coverAll:
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# needed = relay - len(getActiveRelays(net))
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# if needed:
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# debug(f"keepChannels() coverAll asking to provision {needed} relays for {net} relay:{relay}")
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# newNums = modules.provision.provisionMultipleRelays(net, needed)
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# else:
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# newNums = []
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listinfo_sort = sorted(listinfo, reverse=True, key=lambda x: x[1])
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if len(listinfo_sort) > max_chans:
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max_chans = len(listinfo_sort) - 1
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flist = [i[0] for i in listinfo_sort]
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flist = flist[:max_chans]
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debug(f"keepChannels() {net}: joining {len(flist)}/{len(listinfo_sort)} channels")
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trace(f"keepChannels() {net}: joining:{flist}")
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populateChans(net, flist)
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else:
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# needed = sigrelay - len(getActiveRelays(net))
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# if needed:
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# debug(f"keepChannels() NOT coverAll asking to provision {needed} relays for {net} sigrelay:{sigrelay}")
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# newNums = modules.provision.provisionMultipleRelays(net, needed)
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# else:
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# newNums = []
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listinfo_sort = sorted(listinfo, reverse=True, key=lambda x: x[1])
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trace(f"keepChannels() {net}: listinfo_sort:{listinfo_sort}")
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if len(listinfo_sort) > max_chans:
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max_chans = len(listinfo_sort) - 1
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debug(f"keepChannels() {net}: new max_chans:{max_chans}")
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siglist = [i[0] for i in listinfo if int(i[1]) > mean]
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trace(f"keepChannels() {net}: new siglist:{siglist}")
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siglist = siglist[:max_chans]
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trace(f"keepChannels() {net}: truncated siglist:{siglist}")
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trace(f"keepChannels() {net}: siglist:{siglist} max_chans:{max_chans} len_sig:{len(listinfo_sort)}")
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debug(f"keepChannels() {net}: joining {len(siglist)}/{len(listinfo_sort)} channels")
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trace(f"keepChannels() {net}: joining:{siglist}")
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populateChans(net, siglist)
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notifyJoin(net)
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def joinSingle(net, channel):
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"""
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Join a channel on a relay.
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Use ECA to determine which relay to join on.
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:param net: network
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:param channel: channel to join
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:return: relay number that joined the channel
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:rtype: int
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"""
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if "," in channel:
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channels = channel.split(",")
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channels = minifyChans(net, channels, as_list=True)
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else:
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channels = [channel]
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populateChans(net, channels)
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notifyJoin(net)
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return True
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def partSingle(net, channel):
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"""
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Iterate over all the relays of net and part channels matching channel.
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:param net: network
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:param channel: channel to part
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:return: list of relays that parted the channel
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:rtype: list of str
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"""
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parted = []
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for i in getConnectedRelays(net):
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name = f"{net}{i}"
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if name in main.IRCPool.keys():
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if channel in main.IRCPool[name].channels:
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main.IRCPool[name].part(channel)
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parted.append(str(i))
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return parted
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def nukeNetwork(net):
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"""
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Remove network records.
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:param net: network"""
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# purgeRecords(net)
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# p = main.g.pipeline()
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main.g.delete("analytics.list." + net)
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# p.delete("list."+net)
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# p.execute()
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# def nukeNetwork(net):
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# deferToThread(_nukeNetwork, net)
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def _initialList(net, num, listinfo):
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"""
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Called when a relay receives a full LIST response.
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Run statistics to determine how many channels are significant.
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This is done by adding all the numbers of users on the channels together,
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then dividing by the number of channels.
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* cumul - cumulative sum of all channel membership
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* siglength - number of significant channels
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* listlength - number of channels in the list
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* sigrelay - number of relays needed to cover siglength
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* relay - number of relays needed to cover all channels
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:param net: network
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:param num: relay number
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:param listinfo: list of [channel, num_users] lists
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:param chanlimit: maximum number of channels the relay can join
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"""
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listlength = len(listinfo)
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cumul = 0
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try:
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cumul += sum(int(i[1]) for i in listinfo)
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except TypeError:
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warn("Bad LIST data received from %s - %i" % (net, num))
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return
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mean = round(cumul / listlength, 2)
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siglength = 0
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insiglength = 0
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sigcumul = 0
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insigcumul = 0
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for i in listinfo:
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if int(i[1]) > mean:
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siglength += 1
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sigcumul += int(i[1])
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elif int(i[1]) < mean:
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insiglength += 1
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insigcumul += int(i[1])
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avg_chanlimit = getAverageChanlimit(net)
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sigrelay = ceil(siglength / avg_chanlimit)
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relay = ceil(listlength / avg_chanlimit)
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cur_relays = len(getActiveRelays(net))
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sig_relays_missing = sigrelay - cur_relays
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all_relays_missing = relay - cur_relays
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abase = "analytics.list.%s" % net
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|
main.g.delete(abase)
|
|
p = main.g.pipeline()
|
|
|
|
# See docstring for meanings
|
|
p.hset(abase, "mean", mean)
|
|
p.hset(abase, "total_chans", listlength)
|
|
p.hset(abase, "big_chans", siglength)
|
|
p.hset(abase, "small_chans", insiglength)
|
|
p.hset(abase, "big_chan_perc", round(siglength / listlength * 100, 2))
|
|
p.hset(abase, "small_chan_perc", round(insiglength / listlength * 100, 2))
|
|
p.hset(abase, "total_cumul_mem", cumul)
|
|
p.hset(abase, "big_chan_cumul_mem", sigcumul)
|
|
p.hset(abase, "small_chan_cumul_mem", insigcumul)
|
|
p.hset(abase, "relays_for_all_chans", relay)
|
|
p.hset(abase, "relays_for_big_chans", sigrelay)
|
|
p.hset(abase, "relays_for_small_chans", ceil(insiglength / avg_chanlimit))
|
|
p.hset(abase, "sig_relays_missing", sig_relays_missing)
|
|
p.hset(abase, "all_relays_missing", all_relays_missing)
|
|
debug(
|
|
(
|
|
f"_initialList() net:{net} num:{num} listlength:{listlength} "
|
|
f"mean:{mean} siglength:{siglength} insiglength:{insiglength} "
|
|
f"sigrelay:{sigrelay} relay:{relay} avg_chanlimit:{avg_chanlimit}"
|
|
)
|
|
)
|
|
|
|
# Purge existing records before writing
|
|
# purgeRecords(net)
|
|
# for i in listinfo:
|
|
# p.rpush(netbase+"."+i[0], i[1])
|
|
# p.rpush(netbase+"."+i[0], i[2])
|
|
# p.sadd(netbase, i[0])
|
|
|
|
p.execute()
|
|
debug("List parsing completed on %s" % net)
|
|
keepChannels(net, listinfo, mean, sigrelay, relay)
|
|
|
|
# return (listinfo, mean, sigrelay, relay)
|
|
|
|
|
|
def convert(data):
|
|
"""
|
|
Recursively convert a dictionary.
|
|
"""
|
|
if isinstance(data, bytes):
|
|
return data.decode("ascii")
|
|
if isinstance(data, dict):
|
|
return dict(map(convert, data.items()))
|
|
if isinstance(data, tuple):
|
|
return map(convert, data)
|
|
if isinstance(data, list):
|
|
return list(map(convert, data))
|
|
return data
|
|
|
|
|
|
def getListInfo(net):
|
|
abase = f"analytics.list.{net}"
|
|
info = main.g.hgetall(abase)
|
|
return convert(info)
|
|
|
|
|
|
def initialList(net, num, listinfo):
|
|
"""
|
|
Run _initialList in a thread.
|
|
See above docstring.
|
|
"""
|
|
deferToThread(_initialList, net, num, deepcopy(listinfo))
|