Каркас проекта: ТЗ, nginx+gameserver(uWebSockets) в Docker, /ws echo

Frontend — чистый HTML/CSS/JS без сборки (резюме, проекты, игра-заглушки). Gameserver — C++ на uWebSockets (CMake FetchContent), протокол hello/lobby.list_rooms/error проверен end-to-end.
2026-07-26 19:31:44 +05:00
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+// Каркас (этап 1 из TZ.md): проверка связки nginx <-ws-> gameserver.
+// Лобби/комнаты/игровая логика — следующие этапы.
+
+#include <App.h>
+#include <iostream>
+#include <nlohmann/json.hpp>
+
+using json = nlohmann::json;
+
+struct PerSocketData {};
+
+int main() {
+    uWS::App()
+        .ws<PerSocketData>("/ws", {
+            .open = [](auto *ws) {
+                std::cout << "client connected\n";
+            },
+            .message = [](auto *ws, std::string_view message, uWS::OpCode) {
+                json response;
+                try {
+                    json request = json::parse(message);
+                    std::string type = request.value("type", "");
+
+                    if (type == "hello") {
+                        response = {{"type", "hello.ack"}, {"payload", {{"player_id", "stub"}}}};
+                    } else if (type == "lobby.list_rooms") {
+                        response = {{"type", "lobby.rooms"}, {"payload", {{"rooms", json::array()}}}};
+                    } else {
+                        response = {{"type", "error"},
+                                     {"payload", {{"code", "unknown_type"}, {"message", "unknown message type: " + type}}}};
+                    }
+                } catch (const std::exception &e) {
+                    response = {{"type", "error"}, {"payload", {{"code", "bad_json"}, {"message", e.what()}}}};
+                }
+                ws->send(response.dump(), uWS::OpCode::TEXT);
+            },
+            .close = [](auto *ws, int, std::string_view) {
+                std::cout << "client disconnected\n";
+            },
+        })
+        .listen(9001, [](auto *token) {
+            if (token) {
+                std::cout << "gameserver listening on :9001\n";
+            } else {
+                std::cerr << "failed to listen on :9001\n";
+            }
+        })
+        .run();
+}