mirror of
https://github.com/jlu5/PyLink.git
synced 2024-11-01 01:09:22 +01:00
relay: factorize fetching of remote users/SIDs, spawning them if they don't exist
This commit is contained in:
James Lu
parent
994b2961ee
commit
a1299676f1
115
plugins/relay.py
115
plugins/relay.py
@ -15,6 +15,10 @@ from log import log
|
||||
dbname = "pylinkrelay.db"
|
||||
relayusers = defaultdict(dict)
|
||||
relayservers = defaultdict(dict)
|
||||
# We need to use a synchronization method here, because multiple threads
|
||||
# can call getRelaySid at the same time, and we risk spawning the same
|
||||
# pseudoserver more than once, which will cause SQUITs.
|
||||
relayservers_lock = threading.Lock()
|
||||
|
||||
def normalizeNick(irc, netname, nick, separator="/"):
|
||||
orig_nick = nick
|
||||
@ -79,6 +83,37 @@ def getPrefixModes(irc, remoteirc, channel, user):
|
||||
modes += remoteirc.cmodes[pmode]
|
||||
return modes
|
||||
|
||||
def getRemoteUser(irc, remoteirc, user):
|
||||
# If the user (stored here as {(netname, UID):
|
||||
# {network1: UID1, network2: UID2}}) exists, don't spawn it
|
||||
# again!
|
||||
try:
|
||||
u = relayusers[(irc.name, user)][remoteirc.name]
|
||||
except KeyError:
|
||||
userobj = irc.users[user]
|
||||
nick = normalizeNick(remoteirc, irc.name, userobj.nick)
|
||||
ident = userobj.ident
|
||||
host = userobj.host
|
||||
realname = userobj.realname
|
||||
sid = getRelaySid(irc, remoteirc)
|
||||
u = remoteirc.proto.spawnClient(remoteirc, nick, ident=ident,
|
||||
host=host, realname=realname,
|
||||
server=sid).uid
|
||||
remoteirc.users[u].remote = irc.name
|
||||
relayusers[(irc.name, user)][remoteirc.name] = u
|
||||
remoteirc.users[u].remote = irc.name
|
||||
return u
|
||||
|
||||
def getRelaySid(irc, remoteirc):
|
||||
with relayservers_lock:
|
||||
log.debug('relayservers: %s', relayservers)
|
||||
try:
|
||||
sid = relayservers[remoteirc.name][irc.name]
|
||||
except KeyError: # hasn't been spawned yet.
|
||||
sid = irc.proto.spawnServer(irc, '%s.relay' % remoteirc.name)
|
||||
relayservers[remoteirc.name][irc.name] = sid
|
||||
return sid
|
||||
|
||||
def findRelay(chanpair):
|
||||
if chanpair in db: # This chanpair is a shared channel; others link to it
|
||||
return chanpair
|
||||
@ -87,7 +122,9 @@ def findRelay(chanpair):
|
||||
if chanpair in dbentry['links']:
|
||||
return name
|
||||
|
||||
def findRemoteChan(remotenetname, query):
|
||||
def findRemoteChan(irc, remoteirc, channel):
|
||||
query = (irc.name, channel)
|
||||
remotenetname = remoteirc.name
|
||||
chanpair = findRelay(query)
|
||||
if chanpair is None:
|
||||
return
|
||||
@ -106,6 +143,7 @@ def initializeChannel(irc, channel):
|
||||
relay = findRelay((irc.name, channel))
|
||||
log.debug('(%s) initializeChannel being called on %s', irc.name, channel)
|
||||
log.debug('(%s) initializeChannel: relay pair found to be %s', irc.name, relay)
|
||||
queued_users = []
|
||||
if relay:
|
||||
all_links = db[relay]['links'].copy()
|
||||
all_links.update((relay,))
|
||||
@ -118,19 +156,18 @@ def initializeChannel(irc, channel):
|
||||
remoteirc = utils.networkobjects[remotenet]
|
||||
rc = remoteirc.channels[remotechan]
|
||||
for user in remoteirc.channels[remotechan].users:
|
||||
# Don't spawn our pseudoclients again.
|
||||
if not utils.isInternalClient(remoteirc, user):
|
||||
log.debug('(%s) initializeChannel: should be joining %s/%s to %s', irc.name, user, remotenet, channel)
|
||||
remoteuser = relayusers[(remotenet, user)][irc.name]
|
||||
irc.proto.joinClient(irc, remoteuser, channel)
|
||||
for m in getPrefixModes(remoteirc, irc, remotechan, user):
|
||||
mpair = ('+%s' % m, remoteuser)
|
||||
modes.append(mpair)
|
||||
if modes:
|
||||
sid = relayservers[remotenet][irc.name]
|
||||
irc.proto.modeServer(irc, sid, channel, modes, ts=rc.ts)
|
||||
log.debug('(%s) initializeChannel: syncing modes %r', irc.name, modes)
|
||||
remoteuser = getRemoteUser(remoteirc, irc, user)
|
||||
userpair = (getPrefixModes(remoteirc, irc, remotechan, user), remoteuser)
|
||||
log.debug('(%s) initializeChannel: adding %s to queued_users for %s', irc.name, userpair, channel)
|
||||
queued_users.append(userpair)
|
||||
if queued_users:
|
||||
sid = getRelaySid(irc, remoteirc)
|
||||
irc.proto.sjoinServer(irc, sid, channel, queued_users, ts=rc.ts)
|
||||
|
||||
log.debug('(%s) initializeChannel: relay users: %s', irc.name, c.users)
|
||||
log.debug('(%s) initializeChannel: joining our users: %s', irc.name, c.users)
|
||||
relayJoins(irc, channel, c.users, c.ts, c.modes)
|
||||
|
||||
def handle_join(irc, numeric, command, args):
|
||||
@ -164,8 +201,8 @@ def handle_part(irc, numeric, command, args):
|
||||
channel = args['channel']
|
||||
text = args['text']
|
||||
for netname, user in relayusers[(irc.name, numeric)].items():
|
||||
remotechan = findRemoteChan(netname, (irc.name, channel))
|
||||
remoteirc = utils.networkobjects[netname]
|
||||
remotechan = findRemoteChan(irc, remoteirc, channel)
|
||||
remoteirc.proto.partClient(remoteirc, user, remotechan, text)
|
||||
utils.add_hook(handle_part, 'PART')
|
||||
|
||||
@ -183,66 +220,34 @@ def relayJoins(irc, channel, users, ts, modes):
|
||||
# We don't need to clone the PyLink pseudoclient... That's
|
||||
# meaningless.
|
||||
continue
|
||||
userobj = irc.users[user]
|
||||
userpair_index = relayusers.get((irc.name, user))
|
||||
ident = userobj.ident
|
||||
host = userobj.host
|
||||
realname = userobj.realname
|
||||
log.debug('Okay, spawning %s/%s everywhere', user, irc.name)
|
||||
for name, remoteirc in utils.networkobjects.items():
|
||||
if name == irc.name:
|
||||
# Don't relay things to their source network...
|
||||
continue
|
||||
try: # Spawn our pseudoserver first
|
||||
relayservers[remoteirc.name][irc.name] = sid = \
|
||||
remoteirc.proto.spawnServer(remoteirc, '%s.relay' % irc.name,
|
||||
endburst=False)
|
||||
# We want to wait a little bit for the remote IRCd to send their users,
|
||||
# so we can join them as part of a burst on remote networks.
|
||||
# Because IRC is asynchronous, we can't really control how long
|
||||
# this will take.
|
||||
endburst_timer = threading.Timer(0.5, remoteirc.proto.endburstServer,
|
||||
args=(remoteirc, sid))
|
||||
log.debug('(%s) Setting timer to BURST %s', remoteirc.name, sid)
|
||||
endburst_timer.start()
|
||||
except ValueError:
|
||||
# Server already exists (raised by the protocol module).
|
||||
sid = relayservers[remoteirc.name][irc.name]
|
||||
sid = getRelaySid(remoteirc, irc)
|
||||
log.debug('(%s) Have we bursted %s yet? %s', remoteirc.name, sid,
|
||||
remoteirc.servers[sid].has_bursted)
|
||||
nick = normalizeNick(remoteirc, irc.name, userobj.nick)
|
||||
# If the user (stored here as {(netname, UID):
|
||||
# {network1: UID1, network2: UID2}}) exists, don't spawn it
|
||||
# again!
|
||||
u = None
|
||||
if userpair_index is not None:
|
||||
u = userpair_index.get(remoteirc.name)
|
||||
if u is None: # .get() returns None if not found
|
||||
u = remoteirc.proto.spawnClient(remoteirc, nick, ident=ident,
|
||||
host=host, realname=realname,
|
||||
server=sid).uid
|
||||
remoteirc.users[u].remote = irc.name
|
||||
relayusers[(irc.name, userobj.uid)][remoteirc.name] = u
|
||||
remoteirc.users[u].remote = irc.name
|
||||
remotechan = findRemoteChan(remoteirc.name, (irc.name, channel))
|
||||
u = getRemoteUser(irc, remoteirc, user)
|
||||
remotechan = findRemoteChan(irc, remoteirc, channel)
|
||||
if remotechan is None:
|
||||
continue
|
||||
if not remoteirc.servers[sid].has_bursted:
|
||||
# TODO: join users in batches with SJOIN, not one by one.
|
||||
prefixes = getPrefixModes(irc, remoteirc, channel, user)
|
||||
remoteirc.proto.sjoinServer(remoteirc, sid, remotechan, [(prefixes, u)], ts=ts)
|
||||
else:
|
||||
remoteirc.proto.joinClient(remoteirc, u, remotechan)
|
||||
ts = irc.channels[channel].ts
|
||||
# TODO: join users in batches with SJOIN, not one by one.
|
||||
prefixes = getPrefixModes(irc, remoteirc, channel, user)
|
||||
userpair = (prefixes, u)
|
||||
log.debug('(%s) relayJoin: joining %s to %s%s', irc.name, userpair, remoteirc.name, remotechan)
|
||||
remoteirc.proto.sjoinServer(remoteirc, sid, remotechan, [userpair], ts=ts)
|
||||
|
||||
def relayPart(irc, channel, user):
|
||||
for name, remoteirc in utils.networkobjects.items():
|
||||
if name == irc.name:
|
||||
# Don't relay things to their source network...
|
||||
continue
|
||||
remotechan = findRemoteChan(remoteirc.name, (irc.name, channel))
|
||||
remotechan = findRemoteChan(irc, remoteirc, channel)
|
||||
log.debug('(%s) relayPart: looking for %s/%s on %s', irc.name, user, irc.name, remoteirc.name)
|
||||
log.debug('(%s) relayPart: remotechan found as %s', irc.name, remotechan)
|
||||
remoteuser = relayusers[(irc.name, user)][remoteirc.name]
|
||||
remoteuser = getRemoteUser(irc, remoteirc, user)
|
||||
log.debug('(%s) relayPart: remoteuser for %s/%s found as %s', irc.name, user, irc.name, remoteuser)
|
||||
if remotechan is None:
|
||||
continue
|
||||
|
||||
Loading…
Reference in New Issue
Block a user