...

net/asio/adc_device_netserver_asio.h

@@ -5,6 +5,7 @@
 #include <asio/ip/udp.hpp>
 #include <asio/local/seq_packet_protocol.hpp>
 #include <asio/local/stream_protocol.hpp>
+#include <asio/signal_set.hpp>
 
 #include "../adc_device_netserver.h"
 #include "../adc_endpoint.h"
@@ -67,9 +68,36 @@ public:
     // some default endpoint?!!
     void start() {}
 
+    template <std::ranges::range RST, std::ranges::range RRT>
+    void setupSignals(const RST& stop_sig_num = std::vector<int>{SIGINT, SIGTERM},
+                      const RRT& restart_sig_num = std::vector<int>{SIGUSR1})
+        requires(std::convertible_to<std::ranges::range_value_t<RST>, int> &&
+                 std::convertible_to<std::ranges::range_value_t<RRT>, int>)
+    {
+        for (const int sig : stop_sig_num) {
+            _stopSignal.add(sig);
+        }
+
+        _stopSignal.async_wait([this](std::error_code ec, int signo) {
+            signalReceived(ec, signo);
+            this->stopAllSessions();
+        });
+
+        for (const int sig : restart_sig_num) {
+            _restartSignal.add(sig);
+        }
+
+        _restartSignal.async_wait([this](std::error_code ec, int signo) {
+            signalReceived(ec, signo);
+            // ?!!!!!!!
+        });
+    }
+
 protected:
     asio::io_context& _ioContext;
 
+    asio::signal_set _stopSignal, _restartSignal;
+
     // demonizing ASIO-related methods
     virtual void daemonizePrepare()
     {
@@ -80,6 +108,8 @@ protected:
     {
         _ioContext.notify_fork(asio::io_context::fork_child);
     }
+
+    virtual void signalReceived(std::error_code, int signo) {};
 };
 
 }  // namespace adc::impl