tdlua/tdlua.cpp at master · tgMember/tdlua · GitHub

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/**
 * @author Giuseppe Marino
 * ©Giuseppe Marino 2018 - 2018
 * This file is under GPLv3 license see LICENCE
*/

#include"tdlua.h"
#include"luajson.h"

staticinttdclient_new(lua_State *L)
{
luaL_newmetatable(L, "tdclient");
lua_pushstring(L, "__index");
luaL_newlib(L, mt);
lua_newtable(L);
lua_pushstring(L, "__index");
lua_pushcfunction(L, tdclient_call);
lua_settable(L, -3);
lua_setmetatable(L, -2);
lua_settable(L, -3);
lua_pushstring(L, "__gc");
lua_pushcfunction(L, tdclient_unload);
lua_settable(L, -3);
 TDLua **client = (TDLua**)(lua_newuserdata(L, sizeof(void*)));
 *client = newTDLua();
luaL_setmetatable(L, "tdclient");
return1;
}

staticinttdclient_receive(lua_State *L)
{
 TDLua* td = getTD(L);
if (!td->empty()) {
 std::string res = td->pop();
lua_pushjson(L, res);
return1;
 }
 lua_Number timeout = 10;
if(lua_type(L, 2) == LUA_TNUMBER) {
 timeout = lua_tonumber(L, 2);
 }
 std::string result = td->receive(timeout);
if(result.empty()) {
lua_pushnil(L);
 } else {
lua_pushjson(L, result);
 }
return1;
}

staticinttdclient_send(lua_State *L)
{
 TDLua *td = getTD(L);
if(lua_type(L, 2) == LUA_TSTRING) {
 td->send(lua_tostring(L, 2));
 } elseif(lua_type(L, 2) == LUA_TTABLE) {
 std::string j;
lua_getjson(L, j);
 td->send(j);
 }
return0;
}

staticinttdclient_execute(lua_State *L)
{
if(lua_type(L, 2) == LUA_TSTRING) { // [client, json]
 std::string j = lua_tostring(L, -1); // decode json string to lua table
lua_pop(L, 1); // [client]
lua_pushjson(L, j); // [client, table]
 }
if (lua_type(L, 2) == LUA_TTABLE) { // [client, table]
int nonce = rand();
lua_pushstring(L, "@extra"); // [client, table, "@extra"]
lua_pushinteger(L, nonce); // [client, table, "@extra", nonce]
lua_settable(L, -3); // [client, table]
tdclient_send(L); // [client, table]
 TDLua *td = getTD(L);
while (true) {
lua_checkstack(L, 3);
 std::string res = td->receive(1);
lua_pushjson(L, res); // [client, table, restable]
if (lua_type(L, -1) != LUA_TTABLE) { // nil
continue;
 }
lua_pushstring(L, "@extra"); // [client, table, restable, "@extra"]
lua_gettable(L, -2); // [client, table, restable, restable["@extra"]]
if (lua_type(L, -1) == LUA_TNUMBER && lua_tointeger(L, -1) == nonce) {
lua_pop(L, 1); // [client, table, restable]
return1;
 } else {
lua_pop(L, 1); // [client, table, restable]
 td->push(res);
 }
 }
 }
return0;
}

staticintcall(lua_State *L)
{
auto f = tdclient_execute;
if (lua_type(L, -1) == LUA_TBOOLEAN) {
if (lua_toboolean(L, -1))
 f = tdclient_send;
lua_pop(L, 1);
 }
if (lua_type(L, -1) != LUA_TTABLE) lua_newtable(L);
lua_pushstring(L, "@type");
lua_pushstring(L, lua_tostring(L, lua_upvalueindex(1)));
lua_settable(L, -3);
returnf(L);
}

staticinttdclient_call(lua_State *L)
{
lua_pushcclosure(L, call, 1);
return1;
}

staticinttdclient_rawexecute(lua_State *L)
{
 TDLua *td = getTD(L);
if(lua_type(L, 2) == LUA_TSTRING) {
 std::string result = td->execute(lua_tostring(L, 2));
lua_pushstring(L, result.c_str());
return1;
 } elseif(lua_type(L, 2) == LUA_TTABLE) {
 std::string j;
lua_getjson(L, j);
 std::string result = td->execute(j);
if(result.empty()) {
lua_pushnil(L);
 } else {
lua_pushjson(L, result);
 }
return1;
 }
return0;
}

staticinttdclient_unload(lua_State *L)
{
 TDLua *td = getTD(L);
delete td;
return0;
}

staticvoidtdclient_fatalerrorcb(constchar * error)
{
 std::cerr << "[TDLUA FATAL ERROR] " << error << std::endl;
}

staticinttdclient_setlogpath(lua_State *L)
{
if(lua_type(L, 1) == LUA_TSTRING) {
lua_pushboolean(L, td_set_log_file_path(lua_tostring(L, 1)));
 } else {
lua_pushboolean(L, 0);
 }
return1;
}

staticinttdclient_setlogmaxsize(lua_State *L)
{
if(lua_type(L, 1) == LUA_TNUMBER) {
td_set_log_max_file_size(lua_tointeger(L, 1));
lua_pushboolean(L, 1);
 } else {
lua_pushboolean(L, 0);
 }
return1;
}

staticinttdclient_setlogverbosity(lua_State *L)
{
if(lua_isinteger(L, 1)) {
td_set_log_verbosity_level(static_cast<int>(lua_tointeger(L, 1)));
lua_pushboolean(L, 1);
 } else {
lua_pushboolean(L, 0);
 }
}

//Open Lib
static luaL_Reg tdlua[] = {
 {"new", tdclient_new},
 {"setLogPath", tdclient_setlogpath},
 {"setLogMaxSize", tdclient_setlogmaxsize},
 {"setLogLevel", tdclient_setlogverbosity},

 {nullptr, nullptr}
};

extern"C" {
LUALIB_APIintluaopen_tdlua(lua_State *L) {
luaL_newmetatable(L, "tdlua");
lua_pushstring(L, "__call");
lua_pushcfunction(L, tdclient_new);
lua_settable(L, -3);
luaL_newlib(L, tdlua);
luaL_setmetatable(L, "tdlua");
td_set_log_fatal_error_callback(tdclient_fatalerrorcb);
return1;
 }
}