update：服务端代码进度。

Information/InfoCommunicate.hpp

@@ -0,0 +1,24 @@
+#ifndef INFOCOMMUNICATE_HPP
+#define INFOCOMMUNICATE_HPP
+
+#include <cereal/archives/binary.hpp>
+#include <cereal/types/memory.hpp>
+#include <cereal/types/vector.hpp>
+
+enum MessageType {
+    MSG_TYPE_ASK_CLIENTS = 1,
+};
+
+struct InfoCommunicate {
+    MessageType type;
+    std::string toID;
+    std::string UUID;
+    std::string data;
+    char mark{};
+    template <class Archive> void serialize(Archive& archive)
+    {
+        archive(CEREAL_NVP(type), CEREAL_NVP(toID), CEREAL_NVP(UUID), CEREAL_NVP(data), CEREAL_NVP(mark));
+    }
+};
+
+#endif   // INFOCOMMUNICATE_HPP

Protocol/CMakeLists.txt

@@ -12,4 +12,5 @@ Communicate.cxx
 )
 
 add_library(Protocol STATIC ${MSOURCES})
-target_link_libraries(Protocol PRIVATE wx::base wx::core)
+target_link_libraries(Protocol PRIVATE wx::base wx::core Util)
+target_include_directories(Protocol PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})

Protocol/Communicate.cxx

@@ -1,5 +1,76 @@
 #include "Communicate.h"
 
+constexpr unsigned char gHeader[] = {0xFF, 0xFE};
+constexpr unsigned char gTail[] = {0xFF, 0xFF};
+
 Communicate::Communicate()
 {
-}
+}
+
+/*
+【 transm TCP 数据协议 】
+    header 2 char: 0xFF 0xFE
+    from  32 char:
+    to    32 char:
+    len    4 char:
+    data    xxxxx:
+    tail   2 char: 0xFF 0xFF
+ */
+FrameBuffer* Communicate::ParseBuffer(MutBuffer& buffer)
+{
+    FrameBuffer* frame = nullptr;
+
+    int find = buffer.IndexOf((const char*)gHeader, sizeof(gHeader));
+    if (find < 0) {
+        return frame;
+    }
+
+    int len = 0;
+    std::memcpy(&len, buffer.GetData() + find + sizeof(gHeader) + 64, sizeof(len));
+    if (buffer.Length() < (find + sizeof(gHeader) + 64 + len + sizeof(len) + sizeof(gTail)) || len < 0) {
+        return frame;
+    }
+
+    if (std::memcmp(buffer.GetData() + find + sizeof(gHeader) + 64 + sizeof(len) + len, gTail, sizeof(gTail)) != 0) {
+        return frame;
+    }
+
+    frame = new FrameBuffer();
+    frame->fid = std::string(buffer.GetData() + find + sizeof(gHeader), 32);
+    frame->tid = std::string(buffer.GetData() + find + sizeof(gHeader) + 32, 32);
+
+    if (len > 0) {
+        frame->data = new char[len];
+        std::memcpy(frame->data, buffer.GetData() + find + sizeof(gHeader) + 64 + sizeof(len), len);
+        frame->len = len;
+    }
+    buffer.RemoveOf(0, find + sizeof(gHeader) + 64 + len + sizeof(len) + sizeof(gTail));
+    return frame;
+}
+
+bool Communicate::PackBuffer(FrameBuffer* frame, char** buf, int& len)
+{
+    if (frame == nullptr) {
+        return false;
+    }
+    if (frame->data == nullptr) {
+        frame->len = 0;
+    }
+    len = sizeof(gHeader) + 64 + sizeof(len) + frame->len + sizeof(gTail);
+    *buf = new char[len];
+    std::memcpy(*buf, gHeader, sizeof(gHeader));
+    std::memcpy(*buf + sizeof(gHeader), frame->fid.c_str(), 32);
+    std::memcpy(*buf + sizeof(gHeader) + 32, frame->tid.c_str(), 32);
+    std::memcpy(*buf + sizeof(gHeader) + 64, &frame->len, sizeof(len));
+    if (frame->len > 0) {
+        std::memcpy(*buf + sizeof(gHeader) + 64 + sizeof(len), frame->data, frame->len);
+    }
+    std::memcpy(*buf + sizeof(gHeader) + 64 + sizeof(len) + frame->len, gTail, sizeof(gTail));
+    return true;
+}
+
+FrameBuffer::~FrameBuffer()
+{
+    delete[] data;
+    len = 0;
+}

Protocol/Communicate.h

@@ -1,10 +1,24 @@
 #ifndef COMMUNICATE_H
 #define COMMUNICATE_H
 
+#include <Util.h>
+
+struct FrameBuffer {
+    ~FrameBuffer();
+    std::string fid;
+    std::string tid;
+    char* data{};
+    int len{};
+};
+
 class Communicate
 {
 public:
     Communicate();
+
+public:
+    static FrameBuffer* ParseBuffer(MutBuffer& buffer);
+    static bool PackBuffer(FrameBuffer* frame, char** buf, int& len);
 };
 
 #endif   // COMMUNICATE_H

RelayServer/CMakeLists.txt

@@ -13,5 +13,5 @@ main.cxx
 )
 
 add_executable(RelayServer ${MSOURCES})
-target_link_libraries(RelayServer PRIVATE wx::base wx::core Util)
-set_target_properties(RelayServer PROPERTIES WIN32_EXECUTABLE TRUE)
+target_link_libraries(RelayServer PRIVATE wx::base wx::core Util Protocol wx::net)
+# set_target_properties(RelayServer PROPERTIES WIN32_EXECUTABLE TRUE)

RelayServer/RelayServer.cxx

@@ -1,4 +1,6 @@
 #include "RelayServer.h"
+#include <Communicate.h>
+#include <InfoCommunicate.hpp>
 
 RemoteServer::RemoteServer()
 {
@@ -6,18 +8,121 @@ RemoteServer::RemoteServer()
 
 bool RemoteServer::Init(const wxString& ip, unsigned short port)
 {
-    return false;
+    thRun_= true;
+    wxIPV4address addr;
+
+    if (!addr.Hostname(ip)) {
+        wxLogError(wxT("Invalid IP address: %s"), ip);
+        return false;
+    }
+
+    addr.Service(port);
+    server_ = std::make_unique<wxSocketServer>(addr);
+    if (!server_->IsOk()) {
+        wxLogError(wxT("Failed to create server socket."));
+        return false;
+    }
+    if (!server_->GetLocal(addr)) {
+        wxLogError(wxT("Failed to get local address."));
+        return false;
+    }
+    wxLogMessage(wxT("Server socket created on %s:%d"), addr.IPAddress(), addr.Service());
+    //wxLogInfo(wxT("Server socket created on %s:%d"), addr.IPAddress(), addr.Service());
+
+    serverId_ = wxNewId();
+    server_->SetFlags(wxSOCKET_WAITALL);
+    server_->SetEventHandler(*this, serverId_);
+
+    server_->SetNotify(wxSOCKET_CONNECTION_FLAG | wxSOCKET_LOST_FLAG);
+    server_->Notify(true);
+    Bind(wxEVT_SOCKET, &RemoteServer::OnServerEvent, this, serverId_);
+
+    return true;
 }
 
 int RemoteServer::Run()
 {
-    return 0;
+    wxEventLoop loop;
+    return loop.Run();
 }
 
 void RemoteServer::OnServerEvent(wxSocketEvent& event)
 {
+    auto* sock = event.GetSocket();
+    switch (event.GetSocketEvent()) {
+    case wxSOCKET_CONNECTION: {
+        auto newer = std::shared_ptr<wxSocketBase>(server_->Accept(false));
+        if (!newer) {
+            wxLogError(wxT("Failed to accept client connection."));
+            return;
+        }
+        wxIPV4address addr;
+        newer->GetPeer(addr);
+        wxString id = wxString::Format("%s:%d", addr.IPAddress(), addr.Service());
+        wxLogMessage(wxT("Client connected: %s"), id);
+
+        std::unique_lock<std::shared_mutex> lock(clientsMutex_);
+        auto client = std::make_shared<TranClient>();
+        client->wxSock = newer;
+        client->onlineTime =
+            std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count();
+        client->lastRecvTime = std::chrono::high_resolution_clock::now();
+        clients_[id] = client;
+        threads_[id] = std::thread(&RemoteServer::thClientThread, this, newer, id);
+        break;
+    }
+    case wxSOCKET_LOST: {
+        wxIPV4address addr;
+        sock->GetPeer(addr);
+        wxString id = wxString::Format("%s:%d", addr.IPAddress(), addr.Service());
+        wxLogMessage(wxT("Client disconnected: %s"), id);
+        std::unique_lock<std::shared_mutex> lock(clientsMutex_);
+        if (clients_.find(id) != clients_.end()) {
+            clients_.erase(id);
+        }
+        if (threads_.find(id) != threads_.end()) {
+            threads_[id].detach();
+            threads_.erase(id);
+        }
+        break;
+    }
+    default:
+        break;
+    }
 }
 
 void RemoteServer::thClientThread(const std::shared_ptr<wxSocketBase>& wxSock, const wxString& id)
 {
+    wxLogMessage(wxT("Client thread started: %s"), id);
+    std::shared_ptr<TranClient> client = nullptr;
+
+    {
+        std::shared_lock<std::shared_mutex> lock(clientsMutex_);
+        client = clients_[id];
+    }
+
+    InfoCommunicate info;
+    while (thRun_) {
+        wxSock->Read(client->buf.data(), gBufferSize);
+        auto br = wxSock->LastCount();
+        if (br == 0) {
+            wxLogMessage(wxT("Client disconnected: %s"), id);
+            break;
+        } else if (wxSock->Error()) {
+            wxLogMessage(wxT("%s Client error: %s"), id, wxSock->LastError());
+            break;
+        }
+        client->buffer.Push(client->buf.data(), br);
+        while (true) {
+            auto* frame = Communicate::ParseBuffer(client->buffer);
+            if (!frame) {
+                break;
+            }
+            std::stringstream ss;
+            ss.write(frame->data, frame->len);
+            cereal::BinaryInputArchive inputArchive(ss);
+            inputArchive(info);
+            delete frame;
+        }
+    }
 }

RelayServer/RelayServer.h

@@ -14,9 +14,12 @@
 #include <wx/socket.h>
 #include <wx/wx.h>
 
+// constexpr int gBufferSize = 1024 * 1024;
+constexpr int gBufferSize = 256;
 using highClock_t = std::chrono::time_point<std::chrono::high_resolution_clock>;
 struct TranClient {
     std::shared_ptr<wxSocketBase> wxSock;
+    std::array<char, gBufferSize> buf;
     MutBuffer buffer;
     int64_t onlineTime;
     highClock_t lastRecvTime;
@@ -36,6 +39,7 @@ private:
     void thClientThread(const std::shared_ptr<wxSocketBase>& wxSock, const wxString& id);
 
 private:
+    bool thRun_{false};
     wxWindowID serverId_;
     std::shared_mutex clientsMutex_;
     std::unique_ptr<wxSocketServer> server_;

RelayServer/main.cxx

@@ -1,14 +1,15 @@
 #include "RelayServer.h"
 
-class RelayServerApp : public wxApp
+int main()
 {
-public:
-    bool OnInit() override;
-};
-
-bool RelayServerApp::OnInit()
-{
-    return true;
-}
-
-wxIMPLEMENT_APP(RelayServerApp);
+    wxInitializer initializer;
+    if (!initializer.IsOk()) {
+        fprintf(stderr, "Failed to initialize the wxWidgets library, aborting.");
+        return -1;
+    }
+    auto server_ = std::make_unique<RemoteServer>();
+    if (server_->Init("127.0.0.1", 8080)) {
+        server_->Run();
+    }
+    return 0;
+}