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import os, select, sys, threading, time, traceback, uuid
import EventManager, IRCLineHandler, IRCLogging, IRCServer
import ModuleManager, Timer
class Bot(object):
def __init__(self):
self.lock = threading.Lock()
self.args = None
self.database = None
self.config = None
self.bot_directory = os.path.dirname(os.path.realpath(__file__))
self.servers = {}
self.running = True
self.poll = select.epoll()
self._events = EventManager.EventHook(self)
self.modules = ModuleManager.ModuleManager(self, self._events)
self.log = IRCLogging.Log(self)
self.line_handler = IRCLineHandler.LineHandler(self, self._events)
self.timers = []
self._events.on("timer").on("reconnect").hook(self.reconnect)
self._events.on("boot").on("done").hook(self.setup_timers)
def add_server(self, id, hostname, port, password, ipv4, tls,
nickname, username, realname, connect=False):
new_server = IRCServer.Server(self, self._events, id, hostname,
port, password, ipv4, tls, nickname, username, realname)
if not new_server.get_setting("connect", True):
return
self._events.on("new").on("server").call(server=new_server)
if connect and new_server.get_setting("connect", True):
self.connect(new_server)
return new_server
def connect(self, server):
try:
server.connect()
except:
sys.stderr.write("Failed to connect to %s\n" % str(server))
traceback.print_exc()
return False
self.servers[server.fileno()] = server
self.poll.register(server.fileno(), select.EPOLLOUT)
return True
def setup_timers(self, event):
for setting, value in self.find_settings("timer-%"):
id = setting.split("timer-", 1)[1]
self.add_timer(value["event-name"], value["delay"], value[
"next-due"], id, **value["kwargs"])
def timer_setting(self, timer):
self.set_setting("timer-%s" % timer.id, {
"event-name": timer.event_name, "delay": timer.delay,
"next-due": timer.next_due, "kwargs": timer.kwargs})
def timer_setting_remove(self, timer):
self.timers.remove(timer)
self.del_setting("timer-%s" % timer.id)
def add_timer(self, event_name, delay, next_due=None, id=None, persist=True,
**kwargs):
id = id or uuid.uuid4().hex
timer = Timer.Timer(id, self, self._events, event_name, delay,
next_due, **kwargs)
if id:
timer.id = id
elif persist:
self.timer_setting(timer)
self.timers.append(timer)
def next_timer(self):
next = None
for timer in self.timers:
time_left = timer.time_left()
if next == None or time_left < next:
next = time_left
if next == None:
return None
if next < 0:
return 0
return next
def call_timers(self):
for timer in self.timers[:]:
if timer.due():
timer.call()
if timer.done():
self.timer_setting_remove(timer)
def next_send(self):
next = None
for server in self.servers.values():
timeout = server.send_throttle_timeout()
if server.waiting_send() and (next == None or timeout < next):
next = timeout
return next
def next_ping(self):
timeouts = []
for server in self.servers.values():
timeouts.append(server.until_next_ping())
if not timeouts:
return None
return min(timeouts)
def next_read_timeout(self):
timeouts = []
for server in self.servers.values():
timeouts.append(server.until_read_timeout())
if not timeouts:
return None
return min(timeouts)
def get_poll_timeout(self):
timeouts = []
timeouts.append(self.next_timer())
timeouts.append(self.next_send())
timeouts.append(self.next_ping())
timeouts.append(self.next_read_timeout())
return min([timeout for timeout in timeouts if not timeout == None])
def register_read(self, server):
self.poll.modify(server.fileno(), select.EPOLLIN)
def register_write(self, server):
self.poll.modify(server.fileno(), select.EPOLLOUT)
def register_both(self, server):
self.poll.modify(server.fileno(),
select.EPOLLIN|select.EPOLLOUT)
def disconnect(self, server):
try:
self.poll.unregister(server.fileno())
except FileNotFoundError:
pass
del self.servers[server.fileno()]
def reconnect(self, event):
server_details = self.database.servers.get(event["server_id"])
server = self.add_server(*(server_details + (False,)))
if self.connect(server):
self.servers[server.fileno()] = server
else:
event["timer"].redo()
def set_setting(self, setting, value):
self.database.bot_settings.set(setting, value)
def get_setting(self, setting, default=None):
return self.database.bot_settings.get(setting, default)
def find_settings(self, pattern, default=[]):
return self.database.bot_settings.find(pattern, default)
def find_settings_prefix(self, prefix, default=[]):
return self.database.bot_settings.find_prefix(
prefix, default)
def del_setting(self, setting):
self.database.bot_settings.delete(setting)
def run(self):
while self.running:
self.lock.acquire()
events = self.poll.poll(self.get_poll_timeout())
self.call_timers()
for fd, event in events:
if fd in self.servers:
server = self.servers[fd]
if event & select.EPOLLIN:
lines = server.read()
for line in lines:
if self.args.verbose:
self.log.info("<%s | %s", [str(server), line])
server.parse_line(line)
elif event & select.EPOLLOUT:
server._send()
self.register_read(server)
elif event & select.EPULLHUP:
print("hangup")
server.disconnect()
for server in list(self.servers.values()):
if server.read_timed_out():
print("pingout from %s" % str(server))
server.disconnect()
elif server.ping_due() and not server.ping_sent:
server.send_ping()
server.ping_sent = True
if not server.connected:
self.disconnect(server)
reconnect_delay = self.config.get("reconnect-delay", 10)
self.add_timer("reconnect", reconnect_delay, None, None, False,
server_id=server.id)
print("disconnected from %s, reconnecting in %d seconds" % (
str(server), reconnect_delay))
elif server.waiting_send() and server.throttle_done():
self.register_both(server)
self.lock.release()
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