feat: add sharetable queryall (#1536)

Co-authored-by: Jason <jie-email@jie-trancender.org>

lualib/skynet/sharetable.lua

@@ -92,6 +92,16 @@ local function sharetable_service()
 		skynet.ret(skynet.pack(ptr))
 	end
 
+    function sharetable.queryall(source, filenamelist)
+        local ptrList = {}
+        for _, filename in ipairs(filenamelist) do
+            if files[filename] then
+                ptrList[filename] = query_file(source, filename)
+            end
+        end
+        skynet.ret(skynet.pack(ptrList))
+    end
+
 	function sharetable.close(source)
 		local list = clients[source]
 		if list then
@@ -208,6 +218,21 @@ function sharetable.query(filename)
 	end
 end
 
+function sharetable.queryall(filenamelist)
+    local list, t, map = {}
+    local ptrList = skynet.call(sharetable.address, "lua", "queryall", filenamelist)
+    for filename, ptr in pairs(ptrList) do
+        t = core.clone(ptr)
+        map = RECORD[filename]
+        if not map then
+            map = {}
+            RECORD[filename] = map
+        end
+        map[t] = true
+        list[filename] = t
+    end
+    return list
+end
 
 local pairs = pairs
 local type = type

test/testsharetable.lua

@@ -1,6 +1,17 @@
 local skynet = require "skynet"
 local sharetable = require "skynet.sharetable"
 
+local function queryall_test()
+	sharetable.loadtable("test_one", {["message"] = "hello one", x = 1, 1})
+	sharetable.loadtable("test_two", {["message"] = "hello two", x = 2, 2})
+	local list = sharetable.queryall({"test_one", "test_two"})
+	for filename, tbl in pairs(list) do
+		for k, v in pairs(tbl) do
+			print(filename, k, v)
+		end
+	end
+end
+
 skynet.start(function()
 	-- You can also use sharetable.loadfile / sharetable.loadstring
 	sharetable.loadtable ("test", { x=1,y={ 'hello world' },['hello world'] = true })
@@ -13,4 +24,6 @@ skynet.start(function()
 	for k,v in pairs(t) do
 		print(k,v)
 	end
+
+	queryall_test()
 end)