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/*
* Copyright 2014 The Luvit Authors. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include "luv.h"
static uv_req_t* luv_check_req(lua_State* L, int index) {
uv_req_t* req = luaL_checkudata(L, index, "uv_req");
luaL_argcheck(L, req->data, index, "Expected uv_req_t");
return req;
}
static int luv_req_tostring(lua_State* L) {
uv_req_t* req = luaL_checkudata(L, 1, "uv_req");
switch (req->type) {
#define XX(uc, lc) case UV_##uc: lua_pushfstring(L, "uv_"#lc"_t: %p", req); break;
UV_REQ_TYPE_MAP(XX)
#undef XX
default: lua_pushfstring(L, "uv_req_t: %p", req); break;
}
return 1;
}
static void luv_req_init(lua_State* L) {
luaL_newmetatable (L, "uv_req");
lua_pushcfunction(L, luv_req_tostring);
lua_setfield(L, -2, "__tostring");
lua_pop(L, 1);
}
// Metamethod to allow storing anything in the userdata's environment
static int luv_cancel(lua_State* L) {
uv_req_t* req = luv_check_req(L, 1);
int ret = uv_cancel(req);
if (ret < 0) return luv_error(L, ret);
luv_cleanup_req(L, req->data);
req->data = NULL;
lua_pushinteger(L, ret);
return 1;
}
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