add service manager

lualib/mcgroup.lua

@@ -1,6 +1,6 @@
 local skynet = require "skynet"
 
-local SERVICE = "GROUPMGR"
+local SERVICE
 
 local group = {}
 
@@ -27,4 +27,9 @@ function group.release(id)
 	skynet.send(SERVICE, "lua" , "CLEAR", skynet.self(), id)
 end
 
+skynet.init(function()
+	SERVICE = skynet.call("SERVICE", "lua", "group_mgr")
+	skynet.call(".service","lua","group_agent")
+end, "group")
+
 return group

lualib/redis.lua

@@ -3,6 +3,8 @@ local string = string
 local table =  table
 local unpack = unpack
 
+local redis_manager
+
 local redis = {}
 
 local command = {}
@@ -30,9 +32,13 @@ local meta = {
 }
 
 function redis.connect(dbname)
-	local handle = skynet.call(".redis-manager", "lua", dbname)
+	local handle = skynet.call(redis_manager, "lua", dbname)
 	assert(handle ~= nil)
 	return setmetatable({ __handle = handle } , meta)
 end
 
+skynet.init(function()
+	redis_manager = skynet.call(".service", "lua", "redis-mgr")
+end, "redis")
+
 return redis

lualib/skynet.lua

@@ -402,9 +402,34 @@ do
 	}
 end
 
+local init_func = {}
+
+function skynet.init(f, name)
+	assert(type(f) == "function")
+	if init_func == nil then
+		f()
+	else
+		if name == nil then
+			table.insert(init_func, f)
+		else
+			assert(init_func[name] == nil)
+			init_func[name] = f
+		end
+	end
+end
+
+local function init_all()
+	local funcs = init_func
+	init_func = nil
+	for k,v in pairs(funcs) do
+		v()
+	end
+end
+
 function skynet.start(f)
 	c.callback(dispatch_message)
 	skynet.timeout(0, function()
+		init_all()
 		f()
 		skynet.send(".launcher","lua", nil)
 	end)