add nng code.

.gitignore

@@ -41,4 +41,5 @@ target_wrapper.*
 # QtCreator CMake
 CMakeLists.txt.user*
 build
+logs
 .DS_Store

.vscode/c_cpp_properties.json

@@ -5,7 +5,7 @@
             "includePath": [
                 "${workspaceFolder}/**",
                 "${workspaceFolder}/3rdparty/sqlite-amalgamation-3490100",
-                "/opt/Libraries/boost_1_87_0/include"
+                "/opt/Libraries/boost_1_88_0/include"
             ],
             "defines": [],
             "compilerPath": "/usr/bin/gcc",

Application.cpp

@@ -5,6 +5,9 @@
 #include "Core/Singleton.h"
 #include "Database.h"
 #include "HttpSession.h"
+#include "Nng/Asio.h"
+#include "Nng/Message.h"
+#include "Nng/Socket.h"
 #include "Router/router.hpp"
 #include "ServiceLogic.h"
 #include "SessionStore.h"
@@ -17,8 +20,21 @@ namespace Older {
 
 class ApplicationPrivate {
 public:
+    void asyncReply() {
+        reply->asyncReceive([this](const std::error_code &error, const Nng::Message &message) {
+            if (error) {
+                LOG(error) << error.message();
+                return;
+            }
+            LOG(info) << "request: " << message.data<char>();
+            std::string_view data("i am older server.");
+            reply->send(data.data(), data.size());
+            asyncReply();
+        });
+    }
     std::shared_ptr<boost::urls::router<Application::RequestHandler>> router;
     std::shared_ptr<boost::asio::ip::tcp::acceptor> acceptor;
+    std::unique_ptr<Nng::Socket> reply;
 };
 
 Application::Application() : m_d{new ApplicationPrivate()} {
@@ -47,6 +63,16 @@ Application::Application() : m_d{new ApplicationPrivate()} {
         }
         session.reply(ServiceLogic::make_200<boost::beast::http::string_body>(request, "notify successed.\n", "text/html"));
     });
+
+    m_d->reply = std::make_unique<Nng::Socket>(*m_ioContext->ioContext(), Nng::Reply);
+    m_d->reply->listen("tcp://127.0.0.1:8985");
+    m_d->asyncReply();
+}
+
+Application::~Application() {
+    if (m_d != nullptr) {
+        delete m_d;
+    }
 }
 
 boost::asio::io_context &Application::ioContext() {
@@ -93,9 +119,19 @@ int Application::exec() {
     ServiceLogic::staticFilesDeploy();
     startAcceptHttpConnections(settings->server(), settings->port());
     m_ioContext->run();
+    LOG(info) << "app exit, code: " << m_returnCode;
     return 0;
 }
 
+void Application::exit(int returnCode) {
+    if (m_returnCode != returnCode) {
+        m_returnCode = returnCode;
+    }
+    if (m_ioContext) {
+        m_ioContext->stop();
+    }
+}
+
 void Application::asyncAcceptHttpConnections() {
     auto socket = std::make_shared<boost::asio::ip::tcp::socket>(boost::asio::make_strand(*m_ioContext->ioContext()));
     m_d->acceptor->async_accept(*socket, [self{shared_from_this()}, socket](const boost::system::error_code &error) {

Application.h

@@ -32,16 +32,19 @@ public:
     using Request = boost::beast::http::request<boost::beast::http::string_body>;
     using RequestHandler = std::function<void(HttpSession &, const Request &, const boost::urls::matches &)>;
     Application();
+    ~Application();
     boost::asio::io_context &ioContext();
     void startAcceptHttpConnections(const std::string &address, uint16_t port);
     void insertUrl(std::string_view url, RequestHandler &&handler);
     int exec();
+    void exit(int returnCode = 0);
 
 protected:
     void asyncAcceptHttpConnections();
 
 private:
     ApplicationPrivate *m_d = nullptr;
+    int m_returnCode = 0;
     std::shared_ptr<Settings> m_settings;
     std::shared_ptr<Core::IoContext> m_ioContext;
     std::shared_ptr<Core::MessageManager> m_messageManager;

CMakeLists.txt

@@ -36,6 +36,7 @@ target_link_libraries(Older
     PRIVATE Kylin::Core
     PRIVATE Kylin::Http
     PRIVATE Kylin::Router
+    PRIVATE Kylin::Nng
     PRIVATE Boost::json
     PRIVATE sqlite3
 )
@@ -44,5 +45,8 @@ include(FetchContent)
 FetchContent_Declare(Kylin
 GIT_REPOSITORY ssh://git@gitea.amass.fun:2022/amass/Kylin.git
 )
+set(ENABLE_HTTP ON)
+set(ENABLE_ROUTER ON)
+set(ENABLE_NNG ON)
 # add_subdirectory(/mnt/e/Projects/Kylin Kylin)
 FetchContent_MakeAvailable(Kylin)

main.cpp

@@ -12,7 +12,7 @@ int main(int argc, char const *argv[]) {
     boost::asio::signal_set signals(application->ioContext(), SIGINT, SIGTERM, SIGHUP);
     signals.async_wait([&application](boost::system::error_code const &, int signal) {
         LOG(info) << "capture " << (signal == SIGINT ? "SIGINT" : "SIGTERM") << ",stop!";
-        application->ioContext().stop();
+        application->exit(5);
     });
 
     return application->exec();

resources/build.sh

@@ -18,7 +18,9 @@ function cmake_scan() {
     cd ${build_path}
     ${cmake_exe} -G Ninja -S ${base_path} -B ${build_path} \
         -DCMAKE_BUILD_TYPE=Debug \
-        -DBOOST_ROOT=${libraries_root}/boost_1_87_0
+        -DMbedTLS_DIR=${libraries_root}/mbedtls-3.6.3/lib/cmake/MbedTLS \
+        -Dnng_DIR=${libraries_root}/nng-1.10.1/lib/cmake/nng \
+        -DBOOST_ROOT=${libraries_root}/boost_1_88_0
 }
 
 function build() {