Add comments for added function in utils.h
[platform/core/dotnet/launcher.git] / NativeLauncher / util / utils.cc
index 76ac831..5e15b43 100644 (file)
  * limitations under the License.
  */
 
-#include <stdio.h>
 #include <dirent.h>
+#include <fcntl.h>
 #include <sys/stat.h>
 #include <unistd.h>
 #include <limits.h>
 #include <strings.h>
-#include <pthread.h>
 
 #include <cstdlib>
 #include <cstring>
 #include <vector>
 #include <iterator>
 #include <sstream>
+#include <map>
 
+#include "log.h"
 #include "utils.h"
 #include "path_manager.h"
-#include "log.h"
-
-static pthread_t loggingThread;
 
 static bool iCompare(const std::string& a, int aOffset, const std::string& b, int bOffset, int length)
 {
@@ -171,6 +169,9 @@ void scanFilesInDir(const std::string& directory, FileReader reader, unsigned in
        struct dirent* entry;
        bool isDir;
 
+       if (strstr(directory.c_str(), "TAC.Release") != NULL)
+               return; // skip nitool --regen-all-app (--r2r)
+
        dir = opendir(directory.c_str());
 
        if (dir == nullptr)
@@ -205,76 +206,213 @@ void scanFilesInDir(const std::string& directory, FileReader reader, unsigned in
 
        if (depth != 0)
                for (auto& d : innerDirectories)
-                       scanFilesInDir(d.c_str(), reader, depth-1);
+                       scanFilesInDir(d.c_str(), reader, depth - 1);
 
        closedir(dir);
 }
 
-static int __pfd[2];
-
-static void *stdlog(void*)
-{
-    ssize_t readSize;
-    char buf[1024];
-
-    while ((readSize = read(__pfd[0], buf, sizeof buf - 1)) > 0) {
-        if (buf[readSize - 1] == '\n') {
-            --readSize;
-        }
-
-        buf[readSize] = 0;
+static bool setOwnership(const bf::path& path, uid_t uid, gid_t gid) {
+       int fd = open(path.c_str(), O_RDONLY);
+       if (fd < 0) {
+               _ERR("Can't open directory: %s", path.c_str());
+               return false;
+       }
+       int ret = fchown(fd, uid, gid);
+       close(fd);
+       if (ret != 0) {
+               _ERR("Failed to change owner of: %s", path.c_str());
+               return false;
+       }
+       return true;
+}
 
-        _LOGX("%s", buf);
-    }
+static bool setDirPermissions(const bf::path& path, bf::perms permissions) {
+       bs::error_code error;
+       bf::permissions(path, permissions, error);
+       if (error) {
+               _ERR("Failed to set permissions for directory: %s, %s", path.c_str(), error.message().c_str());
+               return false;
+       }
+       return true;
+}
 
-       close(__pfd[0]);
+static bool setDirOwnershipAndPermissions(const bf::path& path, bf::perms permissions, uid_t uid, gid_t gid) {
+       if (!setOwnership(path, uid, gid)) {
+               _ERR("Failed to change owner: %s, (uid: %d, gid: %d)", path.c_str(), uid, gid);
+               return false;
+       }
+       if (!setDirPermissions(path, permissions)) {
+               _ERR("Failed to change permission: %s, (%d)", path.c_str(), permissions);
+               return false;
+       }
+       return true;
+}
 
-    return 0;
+static bool copyOwnershipAndPermissions(const bf::path& path, const bf::path& path2) {
+       if (!bf::exists(path)) {
+               _ERR("Failed to copy ownership and permissions from %s to %s", path.c_str(), path2.c_str());
+               return false;
+       }
+       bf::perms permissions = bf::status(path).permissions();
+       struct stat stats;
+       if (stat(path.c_str(), &stats) != 0) {
+               return false;
+       }
+       if (!setDirOwnershipAndPermissions(path2, permissions, stats.st_uid, stats.st_gid)) {
+               _ERR("Failed to copy ownership and permissions from %s to %s", path.c_str(), path2.c_str());
+               return false;
+       }
+       return true;
 }
 
-int runLoggingThread()
-{
-    if (setvbuf(stdout, NULL, _IOLBF, 0) < 0) {
-               _DBG("fail to make stdout line-buffered");
-               return 0;
-    }
-
-    if (setvbuf(stderr, NULL, _IONBF, 0) < 0) {
-               _DBG("make stderr unbuffered");
-               return 0;
+bool createDir(const bf::path& path) {
+       if (bf::exists(path)) {
+               return true;
        }
+       bs::error_code error;
+       bf::create_directories(path, error);
+       if (error) {
+               _ERR("Failed to create directory: %s", error.message().c_str());
+               return false;
+       }
+       return true;
+}
 
-    /* create the pipe and redirect stdout and stderr */
-    if (pipe(__pfd) < 0) {
-               _DBG("fail to create pipe for logging");
-               return 0;
-    }
-
-    // stdout
-    if (dup2(__pfd[1], 1) == -1) {
-               _DBG("fail to duplicate fd to stdout");
-               return 0;
-    }
-
-    // stderr
-    if (dup2(__pfd[1], 2) == -1) {
-               _DBG("fail to duplicate fd to stderr");
-               return 0;
+bool copyDir(const bf::path& path1, const bf::path& path2, FSFlag flags) {
+       try {
+               // Check whether the function call is valid
+               if (!bf::exists(path1) || !bf::is_directory(path1)) {
+                       _ERR("Source directory %s does not exist or is not a directory", path1.c_str());
+                       return false;
+               }
+               if (!bf::exists(path2)) {
+                       // Create the destination directory
+                       if (!createDir(path2)) {
+                               _ERR("Unable to create destination directory %s", path2.c_str());
+                               return false;
+                       }
+                       if (flags & FS_PRESERVE_OWNERSHIP_AND_PERMISSIONS) {
+                               copyOwnershipAndPermissions(path1, path2);
+                       }
+               } else {
+                       if (!(flags & (FS_MERGE_SKIP | FS_MERGE_OVERWRITE))) {
+                               _ERR("Destination directory %s already exists", path2.c_str());
+                               return false;
+                       }
+                       if (flags & (FS_MERGE_OVERWRITE | FS_PRESERVE_OWNERSHIP_AND_PERMISSIONS)) {
+                               copyOwnershipAndPermissions(path1, path2);
+                       }
+               }
+       } catch (const bf::filesystem_error& error) {
+               _ERR("Failed to copy directory: %s", error.what());
+               return false;
        }
 
-       close(__pfd[1]);
+       // Iterate through the source directory
+       for (bf::directory_iterator file(path1); file != bf::directory_iterator(); ++file) {
+               try {
+                       bf::path current(file->path());
+                       bf::path target = path2 / current.filename();
+                       if (bf::is_symlink(symlink_status(current))) {
+                               if ((flags & (FS_MERGE_SKIP | FS_MERGE_OVERWRITE)) && bf::exists(target)) {
+                                       continue;
+                               }
+                               bs::error_code error;
+                               bf::copy_symlink(current, target, error);
+                               if (error) {
+                                       _ERR("Failed to copy symlink: %s, %s", current.c_str(), error.message().c_str());
+                                       return false;
+                               }
+                       } else if (bf::is_directory(current)) {
+                               // Found directory: Recursion
+                               if (!copyDir(current, target, flags)) {
+                                       return false;
+                               }
+                       } else {
+                               if ((flags & FS_MERGE_SKIP) && bf::exists(target)) {
+                                       continue;
+                               }
+                               bf::path destination = target;
+                               if (flags & FS_COMMIT_COPY_FILE) {
+                                       destination = bf::unique_path(target.parent_path() / "%%%%-%%%%-%%%%-%%%%");
+                               }
+                               if (flags & FS_MERGE_OVERWRITE) {
+                                       bf::copy_file(current, destination, bf::copy_option::overwrite_if_exists);
+                               } else {
+                                       bf::copy_file(current, destination);
+                               }
+                               if (flags & FS_PRESERVE_OWNERSHIP_AND_PERMISSIONS) {
+                                       copyOwnershipAndPermissions(current, destination);
+                               }
+                               if (flags & FS_COMMIT_COPY_FILE) {
+                                       if (flags & FS_MERGE_OVERWRITE) {
+                                               bf::remove(target);
+                                       }
+                                       bf::rename(destination, target);
+                               }
+                       }
+               } catch (const bf::filesystem_error& error) {
+                       _ERR("Failed to copy directory: %s", error.what());
+                       return false;
+               }
+       }
+       return true;
+}
 
-    /* spawn the logging thread */
-    if (pthread_create(&loggingThread, 0, stdlog, 0) != 0) {
-               _DBG("fail to create pthread");
-        return -1;
-    }
+bool copyFile(const bf::path& path1, const bf::path& path2) {
+       bs::error_code error;
+       bf::copy_file(path1, path2, bf::copy_option::overwrite_if_exists, error);
+       if (error) {
+               _ERR("copy file %s due to error [%s]", path1.c_str(), error.message().c_str());
+               return false;
+       }
+       return true;
+}
 
-    if (pthread_detach(loggingThread) != 0) {
-               _DBG("fail to detach pthread");
-               return -1;
+bool moveFile(const bf::path& path1, const bf::path& path2) {
+       if (bf::exists(path2)) {
+               return false;
+       }
+       bs::error_code error;
+       bf::rename(path1, path2, error);
+       if (error) {
+               _ERR("Cannot move file: %s. Will copy/remove... with error [%s]", path1.c_str(), error.message().c_str());
+               bf::copy_file(path1, path2, bf::copy_option::overwrite_if_exists, error);
+               if (error) {
+                       _ERR("Cannot copy file %s due to error [%s]", path1.c_str(), error.message().c_str());
+                       return false;
+               }
+               bf::remove_all(path1, error);
+               if (error) {
+                       _ERR("Cannot remove old file when coping: %s with error [%s]", path1.c_str(), error.message().c_str());
+                       return false;
+               }
        }
+       return true;
+}
 
-    return 0;
+bool removeFile(const bf::path& path) {
+       if (!bf::exists(path)) {
+               return true;
+       }
+       bs::error_code error;
+       bf::remove(path, error);
+       if (error) {
+               _ERR("Cannot remove: %s, %s", path.c_str(), error.message().c_str());
+               return false;
+       }
+       return true;
 }
 
+bool removeAll(const bf::path& path) {
+       if (!exists(path)) {
+               return true;
+       }
+       bs::error_code error;
+       bf::remove_all(path, error);
+       if (error) {
+               _ERR("Cannot remove: %s, %s", path.c_str(), error.message().c_str());
+               return false;
+       }
+       return true;
+}
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