...

CMakeLists.txt

@@ -53,6 +53,7 @@ set(ADC_NETWORK_HEADERS
     # net/adc_netservice.h
     net/adc_endpoint.h
     net/adc_netserver.h
+    net/adc_netclient.h
     net/adc_net_concepts.h
     net/adc_device_netmsg.h
     net/adc_device_netserver.h
@@ -199,8 +200,12 @@ if (BUILD_TESTS)
     # add_test(VALUE_HOLDER ${VALUEHOLDER_TEST_APP})
     add_test(VALUE_HOLDER ${DEVATTR_TEST_APP})
     add_test(NETMSG_TEST ${NETMSG_TEST_APP})
+
     add_test(ASIO_NETSRV_TEST ${ASIO_NETSERVER_TEST_APP})
-    target_link_libraries(${ASIO_NETSERVER_TEST_APP} PRIVATE fmt::fmt)
+    if (SPDLOG_LIBRARY)
+        target_link_libraries(${ASIO_NETSERVER_TEST_APP} PRIVATE fmt::fmt)
+    endif()
+
     enable_testing()
 endif(BUILD_TESTS)
 

common/adc_spdlog.h

@@ -16,7 +16,7 @@ namespace adc
 
 /*  SPDLOG-library based advanced single/multithreaded logger  */
 
-class AdcSPDLOGLogger
+class AdcSpdlogLogger
 {
 public:
     // [year-month-day time.millisecs][log-level]: log-message
@@ -25,7 +25,7 @@ public:
     typedef spdlog::level::level_enum loglevel_t;
 
     template <traits::adc_input_char_range R = decltype(LOGGER_DEFAULT_FORMAT)>
-    AdcSPDLOGLogger(std::shared_ptr<spdlog::logger> logger, const R& pattern = LOGGER_DEFAULT_FORMAT)
+    AdcSpdlogLogger(std::shared_ptr<spdlog::logger> logger, const R& pattern = LOGGER_DEFAULT_FORMAT)
         : _loggerSPtr(logger), _currentLogPattern()
     {
         std::ranges::copy(pattern, std::back_inserter(_currentLogPattern));
@@ -33,7 +33,7 @@ public:
     }
 
 
-    virtual ~AdcSPDLOGLogger() = default;
+    virtual ~AdcSpdlogLogger() = default;
 
 
     void setLogLevel(loglevel_t log_level)
@@ -144,6 +144,7 @@ protected:
 };
 
 
+/*
 
 template <typename BaseT>
 class AdcSpdlogGenericDecorator : public BaseT
@@ -285,7 +286,6 @@ protected:
     }
 };
 
-
 template <typename BaseT>
 class AdcSpdlogGenericMarkDecorator : public AdcSpdlogGenericDecorator<BaseT>
 {
@@ -317,7 +317,7 @@ public:
     }
 };
 
-
+*/
 }  // namespace adc
 
 #endif

net/adc_netserver.h

@@ -10,7 +10,6 @@ ABSTRACT DEVICE COMPONENTS LIBRARY
 #include <functional>
 #include <list>
 #include <set>
-#include <thread>
 #include <unordered_map>
 
 #if __has_include(<unistd.h>)  // POSIX
@@ -52,8 +51,6 @@ public:
             tmp_path = std::filesystem::current_path().root_path();
         }
 
-        // _ioContext.notify_fork(asio::execution_context::fork_prepare);
-
         if (pid_t pid = fork()) {
             if (pid > 0) {
                 exit(0);
@@ -82,7 +79,6 @@ public:
         close(1);
         close(2);
 
-// _ioContext.notify_fork(asio::io_context::fork_child);
 #endif
         daemonizeFinalize();
     }

net/asio/adc_device_netserver_asio.h

@@ -106,7 +106,7 @@ public:
             std::vector<std::string> vsg;
 
             std::ranges::transform(sig_range, std::back_inserter(vsg),
-                                   [](auto s) { return std::format("'{}'", sigdescr_np(s)); });
+                                   [](auto s) { return std::format("'{}' (No = {})", sigdescr_np(s), s); });
 
             utils::AdcJoinRange(vsg, std::string_view(", "), sgs);
 #else
@@ -184,7 +184,8 @@ protected:
     virtual void signalReceived(std::error_code ec, int signo)
     {
 #ifdef _GNU_SOURCE
-        this->logInfo("The server received the signal: '{}' (ec = {})", sigdescr_np(signo), ec.message());
+        this->logInfo("The server received the signal: '{}' (No = {}, ec = {})", sigdescr_np(signo), signo,
+                      ec.message());
 #else
         this->logInfo("The server received the signal: {} (ec = {})", signo, ec.message());
 #endif

net/asio/adc_netservice_asio.h

@@ -259,6 +259,8 @@ public:
                         timer->cancel();
                     }
 
+                    srv->_socket.set_option(asio::socket_base::keep_alive(true));
+
                     self.complete(ec, std::move(*srv));
 
                     srv.reset();
@@ -574,7 +576,7 @@ public:
 
                 if (!ec) {
                     if (do_read) {
-                        do_read = false;
+                        // do_read = false;
                         if (_receiveQueue.size()) {  // return message from queue
                             timer->cancel();
                             auto imsg = _receiveQueue.front();
@@ -593,6 +595,8 @@ public:
                         }
                         auto buff = _streamBuffer.prepare(n_avail ? n_avail : 1);
 
+                        do_read = false;
+
                         if constexpr (isTLS) {
                             return asio::async_read(_sessSocket, std::move(buff), asio::transfer_at_least(1),
                                                     std::move(self));
@@ -638,8 +642,9 @@ public:
                     auto net_pack = this->search(std::span(start_ptr, _streamBuffer.size()));
                     if (net_pack.empty()) {
                         do_read = true;
-                        asio::post(std::move(self));  // initiate consequence socket's read operation
+                        return _socket.async_wait(asio::ip::tcp::socket::wait_read, std::move(self));
-                        return;
+                        // asio::post(std::move(self));  // initiate consequence socket's read operation
+                        // return;
                     }
 
                     timer->cancel();  // there were no errors in the asynchronous read-operation, so stop timer

tests/adc_asio_netserver_test.cpp

@@ -137,7 +137,7 @@ int main(int argc, char* argv[])
         asio::signal_set signals(io_ctx, SIGINT, SIGTERM);
         signals.async_wait([&](std::error_code, int) { io_ctx.stop(); });
 
-        using server_t = adc::impl::AdcDeviceNetServerASIO<std::string, adc::AdcSPDLOGLogger>;
+        using server_t = adc::impl::AdcDeviceNetServerASIO<std::string, adc::AdcSpdlogLogger>;
         std::shared_ptr<spdlog::logger> logger = spdlog::stdout_color_mt("console");
         logger->set_level(spdlog::level::debug);
         // server_t server("TEST SRV", io_ctx, logger, "[%Y-%m-%d %T.%e][%l]: %v");