init

front/msn/entry.py

@@ -0,0 +1,62 @@
+from typing import Optional, Callable
+import asyncio, settings
+
+from aiohttp import web
+
+from core.backend import Backend
+from util.misc import Logger
+
+from .msnp import MSNPCtrl
+
+def register(loop: asyncio.AbstractEventLoop, backend: Backend, http_app: web.Application) -> None:
+	from util.misc import ProtocolRunner
+	from . import msnp_dp, msnp_ns, msnp_sb
+	from .http import appdirectory, abservice, gateway, other
+	
+	backend.add_runner(ProtocolRunner('0.0.0.0', 1863, ListenerMSNP, args = ['MSNP Dispatch', backend, msnp_dp.MSNPCtrlDP], service = 'MSNP Dispatch'))
+	backend.add_runner(ProtocolRunner('0.0.0.0', 1864, ListenerMSNP, args = ['MSNP Notification', backend, msnp_ns.MSNPCtrlNS], service = 'MSNP Notification'))
+	backend.add_runner(ProtocolRunner('0.0.0.0', 1865, ListenerMSNP, args = ['MSNP Switchboard', backend, msnp_sb.MSNPCtrlSB], service = "MSNP Switchboard"))
+	appdirectory.register(http_app)
+	other.register(http_app)
+	abservice.register(http_app)
+	gateway.register(loop, http_app)
+
+class ListenerMSNP(asyncio.Protocol):
+	logger: Logger
+	backend: Backend
+	controller: MSNPCtrl
+	transport: Optional[asyncio.WriteTransport]
+	
+	def __init__(self, logger_prefix: str, backend: Backend, controller_factory: Callable[[Logger, str, Backend], MSNPCtrl]) -> None:
+		super().__init__()
+		self.logger = Logger(logger_prefix, self)
+		self.backend = backend
+		self.controller = controller_factory(self.logger, 'direct', backend)
+		self.controller.close_callback = self._on_close
+		self.transport = None
+	
+	def connection_made(self, transport: asyncio.BaseTransport) -> None:
+		assert isinstance(transport, asyncio.WriteTransport)
+		self.transport = transport
+		self.logger.log_connect()
+		self.controller.on_connect()
+	
+	def connection_lost(self, exc: Optional[Exception]) -> None:
+		self.controller.close()
+		self.logger.log_disconnect()
+		self.transport = None
+	
+	def data_received(self, data: bytes) -> None:
+		transport = self.transport
+		assert transport is not None
+		# Setting `transport` to None so all data is held until the flush
+		self.controller.transport = None
+		if self.controller.transport is None:
+			self.controller.transport = self.transport
+		self.controller.data_received(data)
+		transport.write(self.controller.flush())
+		self.controller.transport = transport
+	
+	def _on_close(self) -> None:
+		if self.transport is None: return
+		self.transport.close()