291 lines
8.5 KiB
C++

#include "api_lua.hpp"
#include "engine/Engine.hpp"
#include "network/Network.hpp"
#include "coders/json.hpp"
using namespace scripting;
static int l_get(lua::State* L, network::Network& network) {
std::string url(lua::require_lstring(L, 1));
lua::pushvalue(L, 2);
auto onResponse = lua::create_lambda_nothrow(L);
network::OnReject onReject = nullptr;
if (lua::gettop(L) >= 3) {
lua::pushvalue(L, 3);
auto callback = lua::create_lambda_nothrow(L);
onReject = [callback](int code) {
callback({code});
};
}
network.get(url, [onResponse](std::vector<char> bytes) {
engine->postRunnable([=]() {
onResponse({std::string(bytes.data(), bytes.size())});
});
}, std::move(onReject));
return 0;
}
static int l_get_binary(lua::State* L, network::Network& network) {
std::string url(lua::require_lstring(L, 1));
lua::pushvalue(L, 2);
auto onResponse = lua::create_lambda_nothrow(L);
network::OnReject onReject = nullptr;
if (lua::gettop(L) >= 3) {
lua::pushvalue(L, 3);
auto callback = lua::create_lambda_nothrow(L);
onReject = [callback](int code) {
callback({code});
};
}
network.get(url, [onResponse](std::vector<char> bytes) {
auto buffer = std::make_shared<util::Buffer<ubyte>>(
reinterpret_cast<const ubyte*>(bytes.data()), bytes.size()
);
engine->postRunnable([=]() {
onResponse({buffer});
});
}, std::move(onReject));
return 0;
}
static int l_post(lua::State* L, network::Network& network) {
std::string url(lua::require_lstring(L, 1));
auto data = lua::tovalue(L, 2);
lua::pushvalue(L, 3);
auto onResponse = lua::create_lambda_nothrow(L);
network::OnReject onReject = nullptr;
if (lua::gettop(L) >= 4) {
lua::pushvalue(L, 4);
auto callback = lua::create_lambda_nothrow(L);
onReject = [callback](int code) {
callback({code});
};
}
std::string string;
if (data.isString()) {
string = data.asString();
} else {
string = json::stringify(data, false);
}
engine->getNetwork().post(url, string, [onResponse](std::vector<char> bytes) {
auto buffer = std::make_shared<util::Buffer<ubyte>>(
reinterpret_cast<const ubyte*>(bytes.data()), bytes.size()
);
engine->postRunnable([=]() {
onResponse({std::string(bytes.data(), bytes.size())});
});
}, std::move(onReject));
return 0;
}
static int l_connect(lua::State* L, network::Network& network) {
std::string address = lua::require_string(L, 1);
int port = lua::tointeger(L, 2);
lua::pushvalue(L, 3);
auto callback = lua::create_lambda_nothrow(L);
u64id_t id = network.connect(address, port, [callback](u64id_t id) {
engine->postRunnable([=]() {
callback({id});
});
});
return lua::pushinteger(L, id);
}
static int l_close(lua::State* L, network::Network& network) {
u64id_t id = lua::tointeger(L, 1);
if (auto connection = network.getConnection(id)) {
connection->close(true);
}
return 0;
}
static int l_closeserver(lua::State* L, network::Network& network) {
u64id_t id = lua::tointeger(L, 1);
if (auto server = network.getServer(id)) {
server->close();
}
return 0;
}
static int l_send(lua::State* L, network::Network& network) {
u64id_t id = lua::tointeger(L, 1);
auto connection = network.getConnection(id);
if (connection == nullptr ||
connection->getState() == network::ConnectionState::CLOSED) {
return 0;
}
if (lua::istable(L, 2)) {
lua::pushvalue(L, 2);
size_t size = lua::objlen(L, 2);
util::Buffer<char> buffer(size);
for (size_t i = 0; i < size; i++) {
lua::rawgeti(L, i + 1);
buffer[i] = lua::tointeger(L, -1);
lua::pop(L);
}
lua::pop(L);
connection->send(buffer.data(), size);
} else if (lua::isstring(L, 2)) {
auto string = lua::tolstring(L, 2);
connection->send(string.data(), string.length());
} else {
auto string = lua::bytearray_as_string(L, 2);
connection->send(string.data(), string.length());
lua::pop(L);
}
return 0;
}
static int l_recv(lua::State* L, network::Network& network) {
u64id_t id = lua::tointeger(L, 1);
int length = lua::tointeger(L, 2);
auto connection = engine->getNetwork().getConnection(id);
if (connection == nullptr) {
return 0;
}
length = glm::min(length, connection->available());
util::Buffer<char> buffer(length);
int size = connection->recv(buffer.data(), length);
if (size == -1) {
return 0;
}
if (lua::toboolean(L, 3)) {
lua::createtable(L, size, 0);
for (size_t i = 0; i < size; i++) {
lua::pushinteger(L, buffer[i] & 0xFF);
lua::rawseti(L, i+1);
}
return 1;
} else {
return lua::create_bytearray(L, buffer.data(), size);
}
}
static int l_available(lua::State* L, network::Network& network) {
u64id_t id = lua::tointeger(L, 1);
if (auto connection = network.getConnection(id)) {
return lua::pushinteger(L, connection->available());
}
return 0;
}
static int l_open(lua::State* L, network::Network& network) {
int port = lua::tointeger(L, 1);
lua::pushvalue(L, 2);
auto callback = lua::create_lambda_nothrow(L);
u64id_t id = network.openServer(port, [callback](u64id_t id) {
engine->postRunnable([=]() {
callback({id});
});
});
return lua::pushinteger(L, id);
}
static int l_is_alive(lua::State* L, network::Network& network) {
u64id_t id = lua::tointeger(L, 1);
if (auto connection = network.getConnection(id)) {
return lua::pushboolean(
L,
connection->getState() != network::ConnectionState::CLOSED ||
connection->available() > 0
);
}
return lua::pushboolean(L, false);
}
static int l_is_connected(lua::State* L, network::Network& network) {
u64id_t id = lua::tointeger(L, 1);
if (auto connection = network.getConnection(id)) {
return lua::pushboolean(
L, connection->getState() == network::ConnectionState::CONNECTED
);
}
return lua::pushboolean(L, false);
}
static int l_get_address(lua::State* L, network::Network& network) {
u64id_t id = lua::tointeger(L, 1);
if (auto connection = network.getConnection(id)) {
lua::pushstring(L, connection->getAddress());
lua::pushinteger(L, connection->getPort());
return 2;
}
return 0;
}
static int l_is_serveropen(lua::State* L, network::Network& network) {
u64id_t id = lua::tointeger(L, 1);
if (auto server = network.getServer(id)) {
return lua::pushboolean(L, server->isOpen());
}
return lua::pushboolean(L, false);
}
static int l_get_serverport(lua::State* L, network::Network& network) {
u64id_t id = lua::tointeger(L, 1);
if (auto server = network.getServer(id)) {
return lua::pushinteger(L, server->getPort());
}
return 0;
}
static int l_get_total_upload(lua::State* L, network::Network& network) {
return lua::pushinteger(L, network.getTotalUpload());
}
static int l_get_total_download(lua::State* L, network::Network& network) {
return lua::pushinteger(L, network.getTotalDownload());
}
template <int(*func)(lua::State*, network::Network&)>
int wrap(lua_State* L) {
int result = 0;
try {
result = func(L, engine->getNetwork());
}
// transform exception with description into lua_error
catch (std::exception& e) {
luaL_error(L, e.what());
}
// Rethrow any other exception (lua error for example)
catch (...) {
throw;
}
return result;
}
const luaL_Reg networklib[] = {
{"get", wrap<l_get>},
{"get_binary", wrap<l_get_binary>},
{"post", wrap<l_post>},
{"get_total_upload", wrap<l_get_total_upload>},
{"get_total_download", wrap<l_get_total_download>},
{"__open", wrap<l_open>},
{"__closeserver", wrap<l_closeserver>},
{"__connect", wrap<l_connect>},
{"__close", wrap<l_close>},
{"__send", wrap<l_send>},
{"__recv", wrap<l_recv>},
{"__available", wrap<l_available>},
{"__is_alive", wrap<l_is_alive>},
{"__is_connected", wrap<l_is_connected>},
{"__get_address", wrap<l_get_address>},
{"__is_serveropen", wrap<l_is_serveropen>},
{"__get_serverport", wrap<l_get_serverport>},
{NULL, NULL}
};