global group multicast

service/group_agent.lua

@@ -0,0 +1,58 @@
+local skynet = require "skynet"
+
+local command = {}
+local group = {}
+
+function command.CREATE(id)
+	assert(group[id] == nil)
+	group[id] = {}
+	local recv_id = id * 2
+	local addr = skynet.query_group(recv_id)
+	skynet.ret(skynet.pack(addr))
+end
+
+function command.AGENT(id, handle)
+	local tunnel = skynet.launch("tunnel", skynet.address(handle))
+	assert(tunnel)
+	local send_id = id * 2 + 1
+	skynet.enter_group(send_id, tunnel)
+	table.insert(group[id] , tunnel)
+end
+
+function command.ENTER(id, handle)
+	local recv_id = id * 2
+	local send_id = id * 2 + 1
+	skynet.enter_group(recv_id, handle)
+	skynet.enter_group(send_id, handle)
+end
+
+function command.LEAVE(id, handle)
+	local recv_id = id * 2
+	local send_id = id * 2 + 1
+	skynet.leave_group(recv_id, handle)
+	skynet.leave_group(send_id, handle)
+end
+
+function command.CLEAR(id)
+	local g = group[id]
+	assert(g)
+	local recv_id = id * 2
+	local send_id = id * 2 + 1
+	skynet.clear_group(recv_id)
+	skynet.clear_group(send_id)
+	group[id] = nil
+	for _,v in ipairs(g) do
+		skynet.kill(v)
+	end
+end
+
+skynet.dispatch(function (msg,sz)
+	local cmd , id , handle = skynet.unpack(msg,sz)
+	local f = command[cmd]
+	assert(f, cmd)
+	f(id,handle)
+end)
+
+skynet.start(function()
+	skynet.send("GROUPMGR" , 0, skynet.pack("MASTER", skynet.self()))
+end)