from abc import ABC
from msg_container import MsgContainer
from msg_sink import MsgSink

class MsgSource(ABC):
	def __init__(self):
		self.sinks = []

	def register_recv(self, sink: MsgSink):
		self.sinks.append(sink)

	def call_sinks(self, msg: MsgContainer):
		for sink in self.sinks:
			if sink.is_msg(msg):
				sink.on_recv(msg)