local multicast support

test/testmulticast.lua

@@ -0,0 +1,32 @@
+local skynet = require "skynet"
+local mc = require "multicast"
+
+local mode = ...
+
+if mode == "sub" then
+
+skynet.start(function()
+	skynet.dispatch("lua", function (_,_, cmd, channel)
+		assert(cmd == "init")
+		mc.subscribe(channel, {
+			dispatch = function (channel, source, ...)
+				print(string.format("%s ===> %s (%d)",skynet.address(source), skynet.address(skynet.self()), channel), ...)
+			end
+		})
+	end)
+end)
+
+else
+
+skynet.start(function()
+	local channel = mc.newchannel()
+	print("New channel", channel)
+	for i=1,10 do
+		local sub = skynet.newservice("testmulticast", "sub")
+		skynet.send(sub, "lua", "init", channel)
+	end
+
+	mc.publish(channel, "Hello World")
+end)
+
+end