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udp support

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This commit is contained in:
Onran0
2025-08-24 02:39:05 +09:00
parent eba7eed8c0
commit 4a9aad04ff
5 changed files with 607 additions and 64 deletions
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src/logic/scripting/lua/libs/libnetwork.cpp
+139 -12
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@@ -134,17 +134,58 @@ static int l_send(lua::State* L, network::Network& network) {
return 0;
}
static int l_udp_server_send_to(lua::State* L, network::Network& network) {
u64id_t id = lua::tointeger(L, 1);
if (auto server = network.getServer(id)) {
if (server->getTransportType() != network::TransportType::UDP)
throw std::runtime_error("the server must work on UDP transport");
const std::string& addr = lua::tostring(L, 2);
const int& port = lua::tointeger(L, 3);
auto udpServer = dynamic_cast<network::UdpServer*>(server);
if (lua::istable(L, 4)) {
lua::pushvalue(L, 4);
size_t size = lua::objlen(L, 4);
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);
udpServer->sendTo(addr, port, buffer.data(), size);
} else if (lua::isstring(L, 4)) {
auto string = lua::tolstring(L, 4);
udpServer->sendTo(addr, port, string.data(), string.length());
} else {
auto string = lua::bytearray_as_string(L, 4);
udpServer->sendTo(addr, port, 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) {
if (connection == nullptr || connection->getTransportType() != network::TransportType::TCP) {
return 0;
}
length = glm::min(length, connection->available());
auto tcpConnection = dynamic_cast<network::TcpConnection*>(connection);
length = glm::min(length, tcpConnection->available());
util::Buffer<char> buffer(length);
int size = connection->recv(buffer.data(), length);
int size = tcpConnection->recv(buffer.data(), length);
if (size == -1) {
return 0;
}
@@ -162,15 +203,18 @@ static int l_recv(lua::State* L, network::Network& network) {
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 lua::pushinteger(L, dynamic_cast<network::TcpConnection*>(connection)->available());
}
return 0;
}
enum NetworkEventType {
CLIENT_CONNECTED = 1,
CONNECTED_TO_SERVER
CONNECTED_TO_SERVER,
DATAGRAM
};
struct NetworkEvent {
@@ -179,32 +223,96 @@ struct NetworkEvent {
u64id_t client;
};
enum NetworkDatagramSide {
ON_SERVER = 1,
ON_CLIENT
};
struct NetworkDatagramEvent : NetworkEvent {
NetworkDatagramSide side;
std::string addr;
int port;
char* buffer;
size_t length;
NetworkDatagramEvent(NetworkEventType datagram,
u64id_t sid,
u64id_t cid,
NetworkDatagramSide side,
const std::string& addr,
int port,
const char* data,
size_t length
);
};
static std::vector<NetworkEvent> events_queue {};
static int l_connect(lua::State* L, network::Network& network) {
static int l_connect_tcp(lua::State* L, network::Network& network) {
std::string address = lua::require_string(L, 1);
int port = lua::tointeger(L, 2);
u64id_t id = network.connect(address, port, [](u64id_t cid) {
u64id_t id = network.connectTcp(address, port, [](u64id_t cid) {
events_queue.push_back({CONNECTED_TO_SERVER, 0, cid});
});
return lua::pushinteger(L, id);
}
static int l_open(lua::State* L, network::Network& network) {
static int l_open_tcp(lua::State* L, network::Network& network) {
int port = lua::tointeger(L, 1);
u64id_t id = network.openServer(port, [](u64id_t sid, u64id_t id) {
u64id_t id = network.openTcpServer(port, [](u64id_t sid, u64id_t id) {
events_queue.push_back({CLIENT_CONNECTED, sid, id});
});
return lua::pushinteger(L, id);
}
static int l_connect_udp(lua::State* L, network::Network& network) {
std::string address = lua::require_string(L, 1);
int port = lua::tointeger(L, 2);
u64id_t id = network.connectUdp(address, port, [](u64id_t cid) {
events_queue.push_back({CONNECTED_TO_SERVER, 0, cid});
}, [address, port](
u64id_t cid,
const char* buffer,
size_t length
) {
events_queue.push_back(
NetworkDatagramEvent{
DATAGRAM, 0, cid, ON_CLIENT,
address, port, buffer, length
}
);
});
return lua::pushinteger(L, id);
}
static int l_open_udp(lua::State* L, network::Network& network) {
int port = lua::tointeger(L, 1);
u64id_t id = network.openUdpServer(port, [](
u64id_t sid,
const std::string& addr,
int port,
const char* buffer,
size_t length) {
events_queue.push_back(
NetworkDatagramEvent{
DATAGRAM, sid, 0, ON_SERVER,
addr, port, buffer, length
}
);
});
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
(
connection->getTransportType() == network::TransportType::TCP &&
dynamic_cast<network::TcpConnection*>(connection)->available() > 0
)
);
}
return lua::pushboolean(L, false);
@@ -267,6 +375,22 @@ static int l_pull_events(lua::State* L, network::Network& network) {
lua::pushinteger(L, events_queue[i].client);
lua::rawseti(L, 3);
if (typeid(events_queue[i]) == typeid(NetworkDatagramEvent)) {
const NetworkDatagramEvent& de = (NetworkDatagramEvent&) events_queue[i];
lua::pushstring(L, de.addr);
lua::rawseti(L, 4);
lua::pushinteger(L, de.port);
lua::rawseti(L, 5);
lua::pushinteger(L, de.side);
lua::rawseti(L, 6);
lua::pushvalue(L, lua::create_bytearray(L, de.buffer, de.length));
lua::rawseti(L, 7);
}
lua::rawseti(L, i + 1);
}
@@ -298,9 +422,12 @@ const luaL_Reg networklib[] = {
{"get_total_upload", wrap<l_get_total_upload>},
{"get_total_download", wrap<l_get_total_download>},
{"__pull_events", wrap<l_pull_events>},
{"__open", wrap<l_open>},
{"__open_tcp", wrap<l_open_tcp>},
{"__open_udp", wrap<l_open_udp>},
{"__closeserver", wrap<l_closeserver>},
{"__connect", wrap<l_connect>},
{"__udp_server_send_to", wrap<l_udp_server_send_to>},
{"__connect_tcp", wrap<l_connect_tcp>},
{"__connect_udp", wrap<l_connect_udp>},
{"__close", wrap<l_close>},
{"__send", wrap<l_send>},
{"__recv", wrap<l_recv>},