From 8c1011c503f6b57b780dd08e0713efa33ee8f7e1 Mon Sep 17 00:00:00 2001
From: Cloud Wu <cloudwu@gmail.com>
Date: Thu, 8 Oct 2015 15:30:15 +0800
Subject: [PATCH] Add sproto:exist_type and sproto:exist_proto

---
 lualib/sproto.lua | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/lualib/sproto.lua b/lualib/sproto.lua
index 911dc877..d3ae40ad 100644
--- a/lualib/sproto.lua
+++ b/lualib/sproto.lua
@@ -58,6 +58,15 @@ local function querytype(self, typename)
 	return v
 end
 
+function sproto:exist_type(typename)
+	local v = self.__tcache[typename]
+	if not v then
+		return core.querytype(self.__cobj, typename) ~= nil
+	else
+		return true
+	end
+end
+
 function sproto:encode(typename, tbl)
 	local st = querytype(self, typename)
 	return core.encode(st, tbl)
@@ -99,6 +108,15 @@ local function queryproto(self, pname)
 	return v
 end
 
+function sproto:exist_proto(pname)
+	local v = self.__pcache[pname]
+	if not v then
+		return core.protocol(self.__cobj, pname) ~= nil
+	else
+		return true
+	end
+end
+
 function sproto:request_encode(protoname, tbl)
 	local p = queryproto(self, protoname)
 	local request = p.request