46 lines
1015 B
C
46 lines
1015 B
C
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#include <lighttpd/actions_lua.h>
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#include <lualib.h>
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#include <lauxlib.h>
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#define LUA_ACTION "action*"
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action* lua_get_action(lua_State *L, int ndx) {
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if (!lua_isuserdata(L, ndx)) return NULL;
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if (!lua_getmetatable(L, ndx)) return NULL;
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luaL_getmetatable(L, LUA_ACTION);
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if (lua_isnil(L, -1) || lua_isnil(L, -2) || !lua_equal(L, -1, -2)) {
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lua_pop(L, 2);
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return NULL;
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}
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lua_pop(L, 2);
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return *(action**) lua_touserdata(L, ndx);
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}
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static int lua_action_gc(lua_State *L) {
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server *srv;
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action **a = (action**) luaL_checkudata(L, 1, LUA_ACTION);
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if (!a || !*a) return 0;
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srv = (server*) lua_touserdata(L, lua_upvalueindex(1));
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action_release(srv, *a);
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return 0;
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}
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int lua_push_action(server *srv, lua_State *L, action *a) {
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action **pa;
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pa = (action**) lua_newuserdata(L, sizeof(action*));
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*pa = a;
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if (luaL_newmetatable(L, LUA_ACTION)) {
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lua_pushlightuserdata(L, srv);
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lua_pushcclosure(L, lua_action_gc, 1);
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lua_setfield(L, -2, "__gc");
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}
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lua_setmetatable(L, -2);
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return 1;
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}
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