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/*
*
* 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
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