change：准备将信息型数据传输改成序列化的方式，以处理更灵活的需求。

CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.16)
 
-project(transm VERSION 1.3.2 LANGUAGES CXX)
+project(transm VERSION 1.4.0 LANGUAGES CXX)
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 

client/client.cpp

@@ -4,6 +4,7 @@
 #include <iostream>
 #include <of_path.h>
 #include <of_str.h>
+#include <of_util.h>
 #include <version.h>
 
 #ifdef USE_BOOST
@@ -53,6 +54,16 @@ void CClient::run(const std::string& ip, const std::string& port, const std::str
 {
     fs::path fp(config_dir);
     config_path_ = fp.append("history.txt").string();
+    fs::path fp2(config_dir);
+    uuid_path_ = fp2.append("uuid.txt").string();
+
+    save_uuid();
+    uuid_ = read_uuid();
+    if (uuid_.empty()) {
+        TLOGE("uuid is empty!");
+        return;
+    }
+
     auto his = load_line_his();
     for (const auto& cc : his) {
         fc_add_his(cc.c_str());
@@ -69,13 +80,7 @@ void CClient::run(const std::string& ip, const std::string& port, const std::str
     std::thread thread([&]() { io_context_.run(); });
     th_down_active_ = std::thread([&]() { judget_down_active(); });
 
-    {
+    get_id();
-        auto* bf = new CFrameBuffer();
-        bf->type_ = TYPE_GET_ID;
-        send_frame(bf);
-        delete bf;
-    }
-
     if (ip == "127.0.0.1") {
         get_task_list();
     }
@@ -83,7 +88,7 @@ void CClient::run(const std::string& ip, const std::string& port, const std::str
     TLOGI("version: {}", VERSION_NUM);
     TLOGI("opensource: {}", VERSION_URL);
     TLOGW("SupportCmd ==>");
-    TLOGW("Get|Up|Down|Cancel|Update|Who|Where");
+    TLOGW("Get|Up|Down|Cancel|Update|Who|Where|Ls|Req");
     fc_append('|');
 
     while (1) {
@@ -146,6 +151,14 @@ void CClient::run(const std::string& ip, const std::string& port, const std::str
             up_task(param);
             continue;
         }
+        if (scmd == "Ls" || scmd == "ls") {
+            require_dir_files(param);
+            continue;
+        }
+        if (scmd == "Req" || scmd == "req") {
+            down_req_list(param);
+            continue;
+        }
         TLOGE("No matched cmd, May be param size incorrect.");
     }
     client_->disconnect();
@@ -377,12 +390,14 @@ bool CClient::down_one_file(const std::string& id, const std::string& file, cons
         return false;
     }
 
+    // 在这里补充 UUID
+    std::string uuid_file = uuid_ + "UUID" + file;
     // 请求下载文件
     std::shared_ptr<CFrameBuffer> buf = std::make_shared<CFrameBuffer>();
     buf->type_ = TYPE_OPEN_FILE;
     buf->tid_ = id;
-    buf->data_ = new char[file.size() + 1];
+    buf->data_ = new char[uuid_file.size() + 1];
-    buf->len_ = std::snprintf(buf->data_, file.size() + 1, "%s", file.data());
+    buf->len_ = std::snprintf(buf->data_, uuid_file.size() + 1, "%s", uuid_file.data());
     if (!send_frame(buf.get())) {
         TLOGE("{} request open file [{}] send failed.", __FUNCTION__, down_->cur_remote_file_);
         down_->cur_remote_id_.clear();
@@ -634,6 +649,96 @@ bool CClient::down_update_file(const std::map<std::string, std::string>& files)
     return suc;
 }
 
+bool CClient::get_dir_files(const std::string& dir, std::string& out, std::string& error)
+{
+    fs::path p(dir);
+    out.clear();
+    error.clear();
+    if (!fs::is_directory(p) || !fs::exists(p)) {
+        error = fmt::format("{} not a dir or not exist", p.string());
+        return false;
+    }
+    // F开头文件，D开头目录，使用前需要去除。
+    for (const auto& entry : fs::directory_iterator(p)) {
+        if (fs::is_directory(entry)) {
+            out += "D" + COfPath::standardize(entry.path().string()) + "\n";
+        } else {
+            out += "F" + COfPath::standardize(entry.path().string()) + "\n";
+        }
+    }
+    return true;
+}
+
+bool CClient::require_dir_files(const std::string& param)
+{
+    auto tvec = COfStr::split(param, " ");
+    if (tvec.size() < 2) {
+        TLOGE("{} invalid param format [{}]", __FUNCTION__, param);
+        return false;
+    }
+    int index = std::stoi(tvec[0]);
+    std::string path = tvec[1];
+
+    if (!task_list_.count(index)) {
+        TLOGE("No Index Found {}.", index);
+        return false;
+    }
+
+    const auto& sr = task_list_[index];
+    std::shared_ptr<CFrameBuffer> buf = std::make_shared<CFrameBuffer>();
+    buf->type_ = TYPE_GET_DIRFILES;
+    buf->data_ = new char[path.size() + 1]();
+    buf->len_ = std::snprintf(buf->data_, path.size() + 1, "%s", path.c_str());
+    buf->tid_ = sr->id;
+
+    if (!send_frame(buf.get())) {
+        TLOGE("Send Failed {}", __LINE__);
+        return false;
+    }
+    return true;
+}
+
+bool CClient::down_req_list(const std::string& param)
+{
+    auto tvec = COfStr::split(param, " ");
+    if (tvec.size() < 2) {
+        TLOGE("{} invalid param format [{}]", __FUNCTION__, param);
+        return false;
+    }
+    int index = std::stoi(tvec[0]);
+    std::string lists = tvec[1];
+    std::string local = tvec.size() > 2 ? COfPath::to_full(tvec[2]) : COfPath::to_full("");
+
+    if (!task_list_.count(index)) {
+        TLOGE("No Index Found {}.", index);
+        return false;
+    }
+
+    const auto& sr = task_list_[index];
+    if (sr->id == own_id_) {
+        TLOGE("Can't Req Self Task {}.", sr->id);
+        return false;
+    }
+    down_ = std::make_shared<TransInfomation>();
+    auto vec = COfStr::split(lists, "|");
+    for (const auto& item : vec) {
+        auto path = COfStr::trim(item);
+        if (path.empty()) {
+            continue;
+        }
+// down_one_file的编码为 UTF8
+#if _WIN32
+        path = CCodec::ansi_to_u8(path);
+        local = CCodec::ansi_to_u8(local);
+#endif
+        if (!down_one_file(sr->id, path, local)) {
+            TLOGE("Down Failed {}", __LINE__);
+            return false;
+        }
+    }
+    return true;
+}
+
 bool CClient::send_frame(CFrameBuffer* buf)
 {
     char* out_buf{};
@@ -699,6 +804,52 @@ std::vector<std::string> CClient::load_line_his()
     return history;
 }
 
+bool CClient::save_uuid()
+{
+    fs::path uuid_path(uuid_path_);
+    if (fs::exists(uuid_path)) {
+        return true;
+    }
+    std::ofstream out_file(uuid_path.string(), std::ios::out);
+    if (!out_file.is_open()) {
+        TLOGE("Open File Failed {}", uuid_path.string());
+        return false;
+    }
+    std::string uuid1 = OfUtil::get_uuid();
+    std::string uuid2 = OfUtil::get_uuid();
+    std::string uuid = uuid1 + "-" + uuid2;
+    out_file << uuid;
+    out_file.close();
+    return true;
+}
+
+std::string CClient::read_uuid()
+{
+    fs::path uuid_path(uuid_path_);
+    if (!fs::exists(uuid_path)) {
+        return std::string();
+    }
+    std::ifstream in_file(uuid_path.string(), std::ios::in);
+    if (!in_file.is_open()) {
+        TLOGE("Open File Failed {}", uuid_path.string());
+        return false;
+    }
+    std::string uuid;
+    in_file >> uuid;
+    in_file.close();
+    return uuid;
+}
+
+void CClient::get_id()
+{
+    auto* bf = new CFrameBuffer();
+    bf->type_ = TYPE_GET_ID;
+    bf->data_ = new char[uuid_.size() + 1];
+    bf->len_ = std::snprintf(bf->data_, uuid_.size() + 1, "%s", uuid_.c_str());
+    send_frame(bf);
+    delete bf;
+}
+
 void CClient::handle_frame(CFrameBuffer* buf)
 {
     if (buf == nullptr) {
@@ -779,16 +930,94 @@ void CClient::handle_frame(CFrameBuffer* buf)
         }
         break;
     }
+    case TYPE_GET_DIRFILES: {
+        std::string path(buf->data_, buf->len_);
+#ifdef _WIN32
+        path = CCodec::u8_to_ansi(path);
+#endif
+        TLOGI("Get Dir Files {}", path);
+        std::string err;
+        std::string out;
+        if (!get_dir_files(path, out, err)) {
+            TLOGE("Get Dir Files Failed. {}", err);
+            buf->type_ = TYPE_GET_DIRFILES_FAILED;
+            delete[] buf->data_;
+            buf->data_ = new char[err.size() + 1];
+            buf->len_ = std::snprintf(buf->data_, err.size() + 1, "%s", err.c_str());
+        } else {
+#ifdef _WIN32
+            out = CCodec::ansi_to_u8(out);
+#endif
+            buf->type_ = TYPE_GET_DIRFILES_DONE;
+            delete[] buf->data_;
+            buf->data_ = new char[out.size() + 1];
+            buf->len_ = std::snprintf(buf->data_, out.size() + 1, "%s", out.c_str());
+        }
+        std::swap(buf->tid_, buf->fid_);
+        if (!send_frame(buf)) {
+            TLOGE("Send Failed {}.", __LINE__);
+            break;
+        }
+        break;
+    }
+    case TYPE_GET_DIRFILES_FAILED: {
+        std::string err(buf->data_, buf->len_);
+        TLOGE("Get {} Dir Files Failed. {}", buf->fid_, err);
+        break;
+    }
+    case TYPE_GET_DIRFILES_DONE: {
+        std::string out(buf->data_, buf->len_);
+#ifdef _WIN32
+        out = CCodec::u8_to_ansi(out);
+#endif
+        auto vec = COfStr::split(out, "\n");
+        TLOGD("$$$$$$$$$ START $$$$$$$$$");
+        for (const auto& item : vec) {
+            std::string real = COfStr::trim(item);
+            if (real.empty()) {
+                continue;
+            }
+            if (real.find("D") == 0) {
+                real.erase(0, 1);
+                TLOGI("d=>{}", real);
+            } else if (real.find("F") == 0) {
+                real.erase(0, 1);
+                TLOGI("f=>{}", real);
+            } else {
+                TLOGE("Error Remote List Format {}", real);
+            }
+        }
+        TLOGD("$$$$$$$$$ OVER $$$$$$$$$");
+        break;
+    }
     case TYPE_OPEN_FILE: {
         std::string keys{};
         {
             std::lock_guard<std::mutex> lock(mutex_);
             up_[buf->fid_] = std::make_shared<TransInfomation>();
+            std::string uuid_file = std::string(buf->data_, buf->len_);
 #ifdef _WIN32
-            up_[buf->fid_]->cur_file_ = CCodec::u8_to_ansi(std::string(buf->data_, buf->len_));
+            uuid_file = CCodec::u8_to_ansi(uuid_file);
-#else
-            up_[buf->fid_]->cur_file_ = std::string(buf->data_, buf->len_);
 #endif
+            // 拿出 UUID
+            auto uuid_index = uuid_file.find("UUID");
+            if (uuid_index == std::string::npos) {
+                TLOGE("UUID Not Found.");
+                buf->type_ = TYPE_OPEN_FAILED;
+                std::swap(buf->tid_, buf->fid_);
+                if (!send_frame(buf)) {
+                    TLOGE("Send Failed {}.", __LINE__);
+                }
+                break;
+            }
+            up_[buf->fid_]->cur_remote_uuid_ = uuid_file.substr(0, uuid_index);
+            uuid_file.erase(0, uuid_index + 4);
+            up_[buf->fid_]->cur_file_ = uuid_file;
+
+            // 这里做校验
+            if (up_[buf->fid_]->cur_remote_uuid_ == uuid_) {
+            }
+
             up_[buf->fid_]->file_.open(up_[buf->fid_]->cur_file_, std::ios::in | std::ios::binary);
             up_[buf->fid_]->trans_state_ = TRANS_REDAY;
             if (!up_[buf->fid_]->file_.is_open()) {
@@ -908,8 +1137,10 @@ void CClient::handle_frame(CFrameBuffer* buf)
             down_->remote_plat = static_cast<uint16_t>(std::stoul(vec[0]));
         }
         cur_file_size_ = size;
+        break;
     }
     default:
+        TLOGE("UnSupport Type {}, Current Version v{}", static_cast<int>(buf->type_), VERSION_NUM);
         break;
     }
 }

client/client.h

@@ -29,6 +29,7 @@ enum TransState {
 struct TransInfomation {
     std::string cur_remote_id_;
     std::string cur_remote_file_;
+    std::string cur_remote_uuid_;
     std::string cur_file_;
     std::fstream file_{};
     uint16_t permissions{};
@@ -57,11 +58,17 @@ public:
     bool request_update_list(const std::string& param);
     bool check_update_list(const std::string& content, std::map<std::string, std::string>& files);
     bool down_update_file(const std::map<std::string, std::string>& files);
+    bool get_dir_files(const std::string& dir, std::string& out, std::string& error);
+    bool require_dir_files(const std::string& param);
+    bool down_req_list(const std::string& param);
 
 private:
     bool send_frame(CFrameBuffer* buf);
     void save_line_his(const std::string& input);
     std::vector<std::string> load_line_his();
+    bool save_uuid();
+    std::string read_uuid();
+    void get_id();
 
 private:
     void handle_frame(CFrameBuffer* buf);
@@ -96,6 +103,8 @@ private:
     std::thread update_list_th_;
     std::string own_id_{};
     std::string config_path_{};
+    std::string uuid_path_{};
+    std::string uuid_{};
 };
 
 class CFileOpr

server/server.cpp

@@ -48,7 +48,7 @@ bool CTcpServer::start(unsigned short port)
     asio::ip::tcp::endpoint endpoint(asio::ip::tcp::v4(), port);
     try {
         acceptor_.open(endpoint.protocol());
-        //acceptor_.set_option(asio::socket_base::reuse_address(true));
+        // acceptor_.set_option(asio::socket_base::reuse_address(true));
         acceptor_.bind(endpoint);
         acceptor_.listen();
     } catch (const asio::system_error& e) {

util/util.h

@@ -35,7 +35,10 @@ enum FrameType : int16_t {
     TYPE_BUSY_UPDATE_LIST,
     TYPE_FAILED_UPDATE_LIST,
     TYPE_GET_ID,
-    TYPE_FILE_INFO
+    TYPE_FILE_INFO,
+    TYPE_GET_DIRFILES,
+    TYPE_GET_DIRFILES_DONE,
+    TYPE_GET_DIRFILES_FAILED,
 };
 
 using namespace ofen;