| /* |
| * |
| * Copyright (c) 2006 The Apache Software Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #include "qpid/sys/FileSysDir.h" |
| #include "qpid/sys/StrError.h" |
| #include "qpid/log/Statement.h" |
| #include "qpid/Exception.h" |
| |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| #include <cerrno> |
| #include <unistd.h> |
| #include <dirent.h> |
| #include <stdlib.h> |
| |
| namespace qpid { |
| namespace sys { |
| |
| bool FileSysDir::exists (void) const |
| { |
| const char *cpath = dirPath.c_str (); |
| struct stat s; |
| if (::stat(cpath, &s)) { |
| if (errno == ENOENT) { |
| return false; |
| } |
| throw qpid::Exception (strError(errno) + |
| ": Can't check directory: " + dirPath); |
| } |
| if (S_ISDIR(s.st_mode)) |
| return true; |
| throw qpid::Exception(dirPath + " is not a directory"); |
| } |
| |
| void FileSysDir::mkdir(void) |
| { |
| if (::mkdir(dirPath.c_str(), 0755)) |
| throw Exception ("Can't create directory: " + dirPath); |
| } |
| |
| void FileSysDir::forEachFile(Callback cb) const { |
| |
| ::dirent** namelist; |
| |
| int n = scandir(dirPath.c_str(), &namelist, 0, alphasort); |
| if (n == -1) throw Exception (strError(errno) + ": Can't scan directory: " + dirPath); |
| |
| for (int i = 0; i<n; ++i) { |
| std::string fullpath = dirPath + "/" + namelist[i]->d_name; |
| // Filter out non files/stat problems etc. |
| struct ::stat s; |
| // Can't throw here without leaking memory, so just do nothing with |
| // entries for which stat() fails. |
| if (!::stat(fullpath.c_str(), &s)) { |
| if (S_ISREG(s.st_mode)) { |
| cb(fullpath); |
| } |
| } |
| ::free(namelist[i]); |
| } |
| ::free(namelist); |
| } |
| |
| }} // namespace qpid::sys |