global group multicast

lualib/mcgroup.lua

@@ -0,0 +1,30 @@
+local skynet = require "skynet"
+
+local SERVICE = "GROUPMGR"
+
+local group = {}
+
+function group.create()
+	return skynet.call(SERVICE, skynet.unpack, skynet.pack("NEW" , skynet.self()))
+end
+
+function group.address(id)
+	local send_id = id * 2 + 1
+	return skynet.query_group(send_id)
+end
+
+function group.enter(id, handle)
+	handle = handle or skynet.self()
+	skynet.send(SERVICE, 0 , skynet.pack("ENTER", handle, id))
+end
+
+function group.leave(id, handle)
+	handle = handle or skynet.self()
+	skynet.send(SERVICE, 0 , skynet.pack("LEAVE", handle, id))
+end
+
+function group.release(id)
+	skynet.send(SERVICE, 0 , skynet.pack("CLEAR", skynet.self(), id))
+end
+
+return group

lualib/skynet.lua

@@ -248,7 +248,7 @@ function skynet.clear_group(handle)
 end
 
 function skynet.query_group(handle)
-	return c.command("GROUP","QUERY " .. tostring(handle))
+	return string_to_handle(c.command("GROUP","QUERY " .. tostring(handle)))
 end
 
 function skynet.address(addr)