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