chore: initial commit

rediska/worker/tmp.cpp

@@ -0,0 +1,86 @@
+#include <condition_variable>
+#include <iostream>
+#include <mutex>
+#include <queue>
+#include <thread>
+#include <grpcpp/grpcpp.h>
+#include "google/protobuf/empty.pb.h"
+#include "v1/primitives/bool.grpc.pb.h"
+#include "v1/primitives/int.grpc.pb.h"
+#include "v1/primitives/string.grpc.pb.h"
+#include "v1/collections/list.grpc.pb.h"
+#include "rediska/common/QueueMessage.hpp"
+#include "rediska/frontend/RequestManager.hpp"
+#include "rediska/frontend/server.hpp"
+
+namespace {
+class PrintWorker {
+public:
+    void Enqueue(QueueMessage msg) {
+        std::lock_guard<std::mutex> lock(mtx_);
+        queue_.push(std::move(msg));
+        cv_.notify_one();
+    }
+
+    void Run() {
+        for (;;) {
+            QueueMessage msg;
+            {
+                std::unique_lock<std::mutex> lock(mtx_);
+                cv_.wait(lock, [&] { return !queue_.empty(); });
+                msg = std::move(queue_.front());
+                queue_.pop();
+            }
+
+            std::cout << "[worker] key=" << msg.key
+                      << " type=" << static_cast<int>(msg.type)
+                      << " op=" << static_cast<int>(msg.operation) << std::endl;
+
+            if (!msg.responder) continue;
+
+            switch (msg.operation) {
+                case OperationId::SET:
+                case OperationId::DELETE: {
+                    msg.respond<google::protobuf::Empty>(google::protobuf::Empty{});
+                    break;
+                }
+                case OperationId::GET: {
+                    if (msg.type == CacheValueId::BOOLEAN) {
+                        v1::primitives::boolean::BoolGetResponse r; r.set_value(false);
+                        msg.respond<v1::primitives::boolean::BoolGetResponse>(r);
+                    } else if (msg.type == CacheValueId::INT) {
+                        v1::primitives::integer::IntGetResponse r; r.set_value(0);
+                        msg.respond<v1::primitives::integer::IntGetResponse>(r);
+                    } else if (msg.type == CacheValueId::STRING) {
+                        v1::primitives::str::StringGetResponse r; r.set_value("test");
+                        msg.respond<v1::primitives::str::StringGetResponse>(r);
+                    } else if (msg.type == CacheValueId::ARRAY) {
+                        v1::collections::list::ListGetResponse r;
+                        msg.respond<v1::collections::list::ListGetResponse>(r);
+                    }
+                    break;
+                }
+                default:
+                    break;
+            }
+        }
+    }
+
+private:
+    std::queue<QueueMessage> queue_;
+    std::mutex mtx_;
+    std::condition_variable cv_;
+};
+} // namespace
+
+int run_print_server() {
+    PrintWorker worker;
+    std::thread t([&] { worker.Run(); });
+
+    RunFrontendServer("0.0.0.0:50051", [&](QueueMessage msg) {
+        worker.Enqueue(std::move(msg));
+    });
+
+    t.join();
+    return 0;
+}