From eb64c6e56d633a7d5589ade40a898b6f17dde0c9 Mon Sep 17 00:00:00 2001
From: "Timur A. Fatkhullin" <amirych@gmail.com>
Date: Sun, 26 May 2024 00:31:59 +0300
Subject: [PATCH] ...

---
 CMakeLists.txt       |  6 +++++-
 net/adc_netmessage.h | 31 ++++++++++++++++++++++++++++---
 2 files changed, 33 insertions(+), 4 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2ce1733..896298b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,6 +21,10 @@ set(ADC_DEVICE_HEADERS
     device/adc_device.h
 )
 
+
+set(ADC_NETWORK_HEADERS
+    net/adc_netmessage.h)
+
 option(BUILD_TESTS "Build tests" ON)
 
 if (BUILD_TESTS)
@@ -52,7 +56,7 @@ endif(BUILD_TESTS)
 
 include(GNUInstallDirs)
 
-add_library(${PROJECT_NAME} INTERFACE ${ADC_COMMON_HEADERS} ${ADC_DEVICE_HEADERS})
+add_library(${PROJECT_NAME} INTERFACE ${ADC_COMMON_HEADERS} ${ADC_DEVICE_HEADERS} ${ADC_NETWORK_HEADERS})
 target_compile_features(${PROJECT_NAME} INTERFACE cxx_std_20)
 # target_link_libraries(${PROJECT_NAME} INTERFACE ASIO::ASIO)
 target_include_directories(
diff --git a/net/adc_netmessage.h b/net/adc_netmessage.h
index 45cc6f1..e8a9a38 100644
--- a/net/adc_netmessage.h
+++ b/net/adc_netmessage.h
@@ -33,6 +33,12 @@ template <typename T, typename BT, typename VT>
 concept adc_from_bytes_func_c = std::invocable<T, const BT&> && std::convertible_to<traits::adc_retval_t<T>, VT>;
 
 
+template <typename T, typename BT, typename VT>
+concept adc_netmsg_converter_c = requires(T t) {
+    { t.template serialize<BT, VT>(std::declval<const VT&>()) } -> std::same_as<BT>;
+    { t.template deserialize<VT, BT>(std::declval<const BT&>()) } -> std::same_as<VT>;
+};
+
 struct AdcTheSameTypeTag {
 };
 
@@ -63,6 +69,12 @@ protected:
     AdcNetMessageInterface& operator=(const AdcNetMessageInterface&) = default;
     AdcNetMessageInterface& operator=(AdcNetMessageInterface&&) = default;
 
+    virtual void updateState() = 0;
+
+public:
+    typedef ByteStorageT byte_storage_t;
+    typedef StorageSeqT storage_seq_t;
+
     template <traits::adc_input_char_range T, traits::adc_input_char_range... Ts>
     void appendBytes(const T& v, const Ts&... vs)
     {
@@ -81,6 +93,8 @@ protected:
     {
         _byteStorage = ByteStorageT();
         appendBytes(v, vs...);
+
+        updateState();
     }
 
 
@@ -88,17 +102,19 @@ protected:
     void setBytes(IterT begin, IterT end)
     {
         _byteStorage = ByteStorageT(begin, end);
+
+        updateState();
     }
 
     template <std::input_iterator IterT>
     void appendBytes(IterT begin, IterT end)
     {
         std::copy(begin, end, std::back_inserter(_byteStorage));
+
+        updateState();
     }
 
-public:
-    typedef ByteStorageT byte_storage_t;
-    typedef StorageSeqT storage_seq_t;
+
 
     virtual size_t byteSize()
     {
@@ -135,6 +151,9 @@ public:
     using typename base_t::byte_storage_t;
     using typename base_t::storage_seq_t;
 
+    using base_t::appendBytes;
+    using base_t::setBytes;
+
     using message_view_t =
         std::conditional_t<std::is_same_v<MessageViewT, traits::AdcTheSameTypeTag>, ByteStorageT, MessageViewT>;
 
@@ -223,6 +242,12 @@ public:
 
 protected:
     MessageViewT _messageView;
+
+    void updateState() override
+    {
+        if constexpr (!std::is_same_v<MessageViewT, traits::AdcTheSameTypeTag>) {
+        }
+    }
 };