add：添加保留原传输文件权限的功能。

.vscode/settings.json

@@ -145,7 +145,9 @@
         "text_encoding": "cpp",
         "*.in": "cpp",
         "hash_map": "cpp",
-        "stdfloat": "cpp"
+        "stdfloat": "cpp",
+        "unordered_set": "cpp",
+        "cfenv": "cpp"
     },
     "makefile.configureOnOpen": false,
     "C_Cpp.default.configurationProvider": "ms-vscode.cmake-tools"

client/client.cpp

@@ -600,6 +600,11 @@ void CClient::handle_frame(CFrameBuffer* buf)
     }
     case TYPE_TRANS_DONE: {
         report_trans_ret(TRANS_DONE);
+        if (down_) {
+            mpinfo("recovery permissions {}.", down_->permissions);
+            fs::perms perms = static_cast<fs::perms>(down_->permissions);
+            fs::permissions(down_->cur_file_, perms);
+        }
         break;
     }
     case TYPE_OPEN_FAILED: {
@@ -675,11 +680,19 @@ void CClient::handle_frame(CFrameBuffer* buf)
         mpinfo("remote {} are busy, will not exec task {}", buf->fid_, list_file_);
         break;
     }
-    case TYPE_FILE_SIZE: {
+    case TYPE_FILE_INFO: {
         std::string str_size(buf->data_, buf->len_);
-        long long size = std::stoll(str_size);
+        auto vec = COfStr::split(str_size, ",");
+        if (vec.size() < 2) {
+            mperror("invalid file information:{}", str_size);
+            break;
+        }
+        long long size = std::stoll(vec[0]);
         std::string show_str = OfUtil::get_file_size(size);
-        mpinfo("Ready Down Size: {}", show_str);
+        mpinfo("Ready Down Size: {}, permissions:{}", show_str, vec[1]);
+        if (down_) {
+            down_->permissions = static_cast<uint16_t>(std::stoul(vec[1]));
+        }
         cur_file_size_ = size;
     }
     default:
@@ -706,15 +719,25 @@ void CClient::send_file_data_th(const char* keys)
     buf->data_ = new char[g_BuffSize]{};
     buf->tid_ = str_key;
 
+    // ********************************************************
+    // TYPE_FILE_INFO格式：大小,权限
+    // ********************************************************
+
     // seekg 用于读，seekp 用于写。
     t->file_.seekg(0, std::ios::end);
     long long size = t->file_.tellg();
     t->file_.seekg(0, std::ios::beg);
-    buf->type_ = TYPE_FILE_SIZE;
+    buf->type_ = TYPE_FILE_INFO;
     std::string str_size = std::to_string(size);
 
-    mpinfo("To {} File Size: {} [{}]", str_key, ofen::OfUtil::get_file_size(size), size);
-    buf->len_ = std::snprintf(buf->data_, g_BuffSize, "%s", str_size.c_str());
+    // 文件权限
+    auto perms = fs::status(t->cur_file_).permissions();
+    std::string str_perm = std::to_string(static_cast<uint16_t>(perms));
+    std::string info_result = str_size + "," + str_perm;
+
+    mpinfo("To {} File Size: {} [{}], permissions:{}", str_key, ofen::OfUtil::get_file_size(size), size,
+           str_perm);
+    buf->len_ = std::snprintf(buf->data_, g_BuffSize, "%s", info_result.c_str());
     if (!send_frame(buf.get())) {
         report_trans_ret(TRANS_FAILED, str_key);
         mperror("Stop Trans {} To {} failed.", t->cur_file_, str_key);

client/client.h

@@ -9,6 +9,7 @@
 #include <string>
 #include <util.h>
 #include <vector>
+#include <cstdint>
 
 using namespace ofen;
 struct DownClientInfo {
@@ -29,6 +30,7 @@ struct TransInfomation {
     std::string cur_remote_file_;
     std::string cur_file_;
     std::fstream file_{};
+    uint16_t permissions{};
     TransState trans_state_{TRANS_FAILED};
 };
 

util/util.h

@@ -33,7 +33,7 @@ enum FrameType : int16_t {
     TYPE_BUSY_UPDATE_LIST,
     TYPE_FAILED_UPDATE_LIST,
     TYPE_GET_ID,
-    TYPE_FILE_SIZE
+    TYPE_FILE_INFO
 };
 
 using namespace ofen;