Merge branch 'rightlib' into mergelibs-240708-1553

1 files changed, 90 insertions, 0 deletions

diff --git a/yt/cpp/mapreduce/http/ut/simple_server.cpp b/yt/cpp/mapreduce/http/ut/simple_server.cpp
new file mode 100644
index 0000000000..fbc369ec20
--- /dev/null
+++ b/yt/cpp/mapreduce/http/ut/simple_server.cpp
@@ -0,0 +1,90 @@
+#include "simple_server.h"
+
+#include <util/network/pair.h>
+#include <util/network/poller.h>
+#include <util/network/sock.h>
+#include <util/string/builder.h>
+#include <util/system/thread.h>
+#include <util/thread/pool.h>
+
+TSimpleServer::TSimpleServer(int port, TRequestHandler requestHandler)
+    : Port_(port)
+{
+    auto listenSocket = MakeAtomicShared<TInetStreamSocket>();
+    TSockAddrInet addr((TIpHost)INADDR_ANY, Port_);
+    SetSockOpt(*listenSocket, SOL_SOCKET, SO_REUSEADDR, 1);
+    int ret = listenSocket->Bind(&addr);
+    Y_ENSURE_EX(ret == 0, TSystemError() << "Can not bind");
+
+    SOCKET socketPair[2];
+    ret = SocketPair(socketPair);
+    Y_ENSURE_EX(ret == 0, TSystemError() << "Can not create socket pair");
+
+    ret = listenSocket->Listen(10);
+    Y_ENSURE_EX(ret == 0, TSystemError() << "Can not listen socket");
+
+    SendFinishSocket_ = MakeHolder<TInetStreamSocket>(socketPair[1]);
+
+    ThreadPool_ = MakeHolder<TAdaptiveThreadPool>();
+    ThreadPool_->Start(1);
+
+    auto receiveFinish = MakeAtomicShared<TInetStreamSocket>(socketPair[0]);
+    ListenerThread_ = ThreadPool_->Run([listenSocket, receiveFinish, requestHandler] {
+        TSocketPoller socketPoller;
+        socketPoller.WaitRead(*receiveFinish, nullptr);
+        socketPoller.WaitRead(*listenSocket, (void*)1);
+
+        bool running = true;
+        while (running) {
+            void* cookies[2];
+            size_t cookieCount = socketPoller.WaitI(cookies, 2);
+            for (size_t i = 0; i != cookieCount; ++i) {
+                if (!cookies[i]) {
+                    running = false;
+                } else {
+                    TSockAddrInet addr;
+                    TAtomicSharedPtr<TStreamSocket> socket = MakeAtomicShared<TInetStreamSocket>();
+                    int ret = listenSocket->Accept(socket.Get(), &addr);
+                    Y_ENSURE_EX(ret == 0, TSystemError() << "Can not accept connection");
+
+                    SystemThreadFactory()->Run(
+                        [socket, requestHandler] {
+                            TStreamSocketInput input(socket.Get());
+                            TStreamSocketOutput output(socket.Get());
+                            requestHandler(&input, &output);
+                            socket->Close();
+                        });
+                }
+            }
+        }
+    });
+}
+
+TSimpleServer::~TSimpleServer()
+{
+    try {
+        if (ThreadPool_) {
+            Stop();
+        }
+    } catch (...) {
+    }
+}
+
+void TSimpleServer::Stop()
+{
+    // Just send something to indicate shutdown.
+    SendFinishSocket_->Send("X", 1);
+    ListenerThread_->Join();
+    ThreadPool_->Stop();
+    ThreadPool_.Destroy();
+}
+
+int TSimpleServer::GetPort() const
+{
+    return Port_;
+}
+
+TString TSimpleServer::GetAddress() const
+{
+    return TStringBuilder() << "localhost:" << Port_;
+}