add socket:get_address, serversocket:get_port

doc/en/scripting/builtins/libnetwork.md

@@ -59,6 +59,9 @@ socket:is_alive() --> bool
 
 -- Checks if the connection is present (using socket:send(...) is available).
 socket:is_connected() --> bool
+
+-- Returns the address and port of the connection.
+socket:get_address() --> str, int
 ```
 
 ```lua
@@ -80,6 +83,9 @@ server:close()
 
 -- Checks if the TCP server exists and is open.
 server:is_open() --> bool
+
+-- Returns the server port.
+server:get_port() --> int
 ```
 
 ## Analytics

doc/ru/scripting/builtins/libnetwork.md

@@ -59,6 +59,9 @@ socket:is_alive() --> bool
 
 -- Проверяет наличие соединения (доступно использование socket:send(...)).
 socket:is_connected() --> bool
+
+-- Возвращает адрес и порт соединения.
+socket:get_address() --> str, int
 ```
 
 ```lua
@@ -80,6 +83,9 @@ server:close()
 
 -- Проверяет, существует и открыт ли TCP сервер.
 server:is_open() --> bool
+
+-- Возвращает порт сервера.
+server:get_port() --> int
 ```
 
 ## Аналитика

res/scripts/classes.lua

@@ -42,6 +42,7 @@ local Socket = {__index={
     close=function(self) return network.__close(self.id) end,
     is_alive=function(self) return network.__is_alive(self.id) end,
     is_connected=function(self) return network.__is_connected(self.id) end,
+    get_address=function(self) return network.__get_address(self.id) end,
 }}
 
 network.tcp_connect = function(address, port, callback)
@@ -55,6 +56,7 @@ end
 local ServerSocket = {__index={
     close=function(self) return network.__closeserver(self.id) end,
     is_open=function(self) return network.__is_serveropen(self.id) end,
+    get_port=function(self) return network.__get_serverport(self.id) end,
 }}
 
 network.tcp_open = function(port, handler)

src/logic/scripting/lua/libs/libnetwork.cpp

@@ -151,6 +151,16 @@ static int l_is_connected(lua::State* L) {
     return lua::pushboolean(L, false);
 }
 
+static int l_get_address(lua::State* L) {
+    u64id_t id = lua::tointeger(L, 1);
+    if (auto connection = engine->getNetwork().getConnection(id)) {
+        lua::pushstring(L, connection->getAddress());
+        lua::pushinteger(L, connection->getPort());
+        return 2;
+    }
+    return 0;
+}
+
 static int l_is_serveropen(lua::State* L) {
     u64id_t id = lua::tointeger(L, 1);
     if (auto server = engine->getNetwork().getServer(id)) {
@@ -159,6 +169,14 @@ static int l_is_serveropen(lua::State* L) {
     return lua::pushboolean(L, false);
 }
 
+static int l_get_serverport(lua::State* L) {
+    u64id_t id = lua::tointeger(L, 1);
+    if (auto server = engine->getNetwork().getServer(id)) {
+        return lua::pushinteger(L, server->getPort());
+    }
+    return 0;
+}
+
 static int l_get_total_upload(lua::State* L) {
     return lua::pushinteger(L, engine->getNetwork().getTotalUpload());
 }
@@ -180,6 +198,8 @@ const luaL_Reg networklib[] = {
     {"__recv", lua::wrap<l_recv>},
     {"__is_alive", lua::wrap<l_is_alive>},
     {"__is_connected", lua::wrap<l_is_connected>},
+    {"__get_address", lua::wrap<l_get_address>},
     {"__is_serveropen", lua::wrap<l_is_serveropen>},
+    {"__get_serverport", lua::wrap<l_get_serverport>},
     {NULL, NULL}
 };

src/network/Network.cpp

@@ -244,10 +244,11 @@ static inline int sendsocket(
     return send(descriptor, buf, len, flags);
 }
 
-static std::string to_string(const sockaddr_in* addr) {
+static std::string to_string(const sockaddr_in& addr, bool port=true) {
     char ip[INET_ADDRSTRLEN];
-    if (inet_ntop(AF_INET, &(addr->sin_addr), ip, INET_ADDRSTRLEN)) {
-        return std::string(ip)+":"+std::to_string(htons(addr->sin_port));
+    if (inet_ntop(AF_INET, &(addr.sin_addr), ip, INET_ADDRSTRLEN)) {
+        return std::string(ip) +
+               (port ? (":" + std::to_string(htons(addr.sin_port))) : "");
     }
     return "";
 }
@@ -266,7 +267,7 @@ class SocketConnection : public Connection {
 
     void connectSocket() {
         state = ConnectionState::CONNECTING;
-        logger.info() << "connecting to " << to_string(&addr);
+        logger.info() << "connecting to " << to_string(addr);
         int res = connectsocket(descriptor, (const sockaddr*)&addr, sizeof(sockaddr_in));
         if (res < 0) {
             auto error = handle_socket_error("Connect failed");
@@ -275,7 +276,7 @@ class SocketConnection : public Connection {
             logger.error() << error.what();
             return;
         }
-        logger.info() << "connected to " << to_string(&addr);
+        logger.info() << "connected to " << to_string(addr);
         state = ConnectionState::CONNECTED;
     }
 public:
@@ -301,13 +302,13 @@ public:
             while (state == ConnectionState::CONNECTED) {
                 int size = recvsocket(descriptor, buffer.data(), buffer.size());
                 if (size == 0) {
-                    logger.info() << "closed connection with " << to_string(&addr);
+                    logger.info() << "closed connection with " << to_string(addr);
                     closesocket(descriptor);
                     state = ConnectionState::CLOSED;
                     break;
                 } else if (size < 0) {
                     logger.info() << "an error ocurred while receiving from "
-                                  << to_string(&addr);
+                                  << to_string(addr);
                     auto error = handle_socket_error("recv(...) error");
                     closesocket(descriptor);
                     state = ConnectionState::CLOSED;
@@ -321,7 +322,7 @@ public:
                     }
                     totalDownload += size;
                 }
-                logger.info() << "read " << size << " bytes from " << to_string(&addr);
+                logger.info() << "read " << size << " bytes from " << to_string(addr);
             }
         });
     }
@@ -380,6 +381,14 @@ public:
         return size;
     }
 
+    int getPort() const override {
+        return htons(addr.sin_port);
+    }
+
+    std::string getAddress() const override {
+        return to_string(addr, false);
+    }
+
     static std::shared_ptr<SocketConnection> connect(
         const std::string& address, int port, runnable callback
     ) {
@@ -421,9 +430,10 @@ class SocketTcpSServer : public TcpServer {
     std::mutex clientsMutex;
     bool open = true;
     std::unique_ptr<std::thread> thread = nullptr;
+    int port;
 public:
-    SocketTcpSServer(Network* network, SOCKET descriptor)
-    : network(network), descriptor(descriptor) {}
+    SocketTcpSServer(Network* network, SOCKET descriptor, int port)
+    : network(network), descriptor(descriptor), port(port) {}
 
     ~SocketTcpSServer() {
         closeSocket();
@@ -445,7 +455,7 @@ public:
                     close();
                     break;
                 }
-                logger.info() << "client connected: " << to_string(&address);
+                logger.info() << "client connected: " << to_string(address);
                 auto socket = std::make_shared<SocketConnection>(
                     clientDescriptor, address
                 );
@@ -488,6 +498,11 @@ public:
     bool isOpen() override {
         return open;
     }
+
+    int getPort() const override {
+        return port;
+    }
+
     static std::shared_ptr<SocketTcpSServer> openServer(
         Network* network, int port, consumer<u64id_t> handler
     ) {
@@ -515,7 +530,8 @@ public:
             throw std::runtime_error("could not bind port "+std::to_string(port));
         }
         logger.info() << "opened server at port " << port;
-        auto server = std::make_shared<SocketTcpSServer>(network, descriptor);
+        auto server =
+            std::make_shared<SocketTcpSServer>(network, descriptor, port);
         server->startListen(std::move(handler));
         return server;
     }

src/network/Network.hpp

@@ -46,6 +46,9 @@ namespace network {
         virtual size_t pullUpload() = 0;
         virtual size_t pullDownload() = 0;
 
+        virtual int getPort() const = 0;
+        virtual std::string getAddress() const = 0;
+
         virtual ConnectionState getState() const = 0;
     };
 
@@ -55,6 +58,7 @@ namespace network {
         virtual void startListen(consumer<u64id_t> handler) = 0;
         virtual void close() = 0;
         virtual bool isOpen() = 0;
+        virtual int getPort() const = 0;
     };
 
     class Network {