bool LandsatGeotiffImporter::createRasterPager(RasterElement* pRaster) const
{
VERIFY(pRaster != NULL);
DataDescriptor* pDescriptor = pRaster->getDataDescriptor();
VERIFY(pDescriptor != NULL);
FileDescriptor* pFileDescriptor = pDescriptor->getFileDescriptor();
VERIFY(pFileDescriptor != NULL);
std::string filename = pRaster->getFilename();
std::string datasetName = pFileDescriptor->getDatasetLocation();
Progress* pProgress = getProgress();
FactoryResource<Filename> pFilename;
pFilename->setFullPathAndName(filename);
ExecutableResource pagerPlugIn("Landsat GeoTIFF Raster Pager", std::string(), pProgress);
pagerPlugIn->getInArgList().setPlugInArgValue(CachedPager::PagedElementArg(), pRaster);
pagerPlugIn->getInArgList().setPlugInArgValue(CachedPager::PagedFilenameArg(), pFilename.get());
bool success = pagerPlugIn->execute();
RasterPager* pPager = dynamic_cast<RasterPager*>(pagerPlugIn->getPlugIn());
if (!success || pPager == NULL)
{
std::string message = "Execution of Landsat Geotiff Raster Pager failed!";
if (pProgress != NULL) pProgress->updateProgress(message, 0, ERRORS);
return false;
}
pRaster->setPager(pPager);
pagerPlugIn->releasePlugIn();
return true;
}
void commands_ns::DiskInfo(FileSystem *fs, int argc, char *argv[], std::ostream& out){
if (argc != 0) {
out << "Неправильное количество параметров" << std::endl;
return;
}
//размеры файлов даны в байтах
size_t totalUsedSpace = 0;
size_t fileSystemSize = fs->GetMaxSize();
FileIterator* fileIterator = fs->GetIterator();
while(fileIterator->HasNext()){
fileIterator->Next();
FileDescriptor* fileDescriptor = fileIterator->GetFileDescriptor();
totalUsedSpace += fileDescriptor->GetSize();
}
size_t freeDiskSpace = fileSystemSize - totalUsedSpace;
double ratio = (double)freeDiskSpace/fileSystemSize;
out << "Сведения о диске:" << std::endl;
out << "Наименование: " << fs->GetTomName() << std::endl;
out << "Размер свободного места: " << freeDiskSpace << " б (" << ratio*100 << "%)" << std::endl;
out << "Максимальный объем: " << fileSystemSize << " б" << std::endl;
}
bool ExportDlg::invokeOptionsDialog()
{
// Update the file descriptor with the selected file
QString strFilename = getExportFile();
updateFromFile(strFilename);
// Display the dialog
ExportOptionsDlg optionsDlg(mpExporter, this);
if (optionsDlg.exec() == QDialog::Accepted)
{
// Selecting file because the filename can be changed in Export Options widget (ie: ShapeFileOptionsWidget).
if (mpExporter.get() != NULL)
{
FileDescriptor* pFileDesc = mpExporter->getFileDescriptor();
if (pFileDesc != NULL)
{
std::string newFilename = pFileDesc->getFilename().getFullPathAndName();
selectFile(QString::fromStdString(newFilename));
}
}
mValidated = true;
return true;
}
mValidated = false;
return false;
}
MMap::MMap (const FileDescriptor& fd, bool const sequential)
:
size (fd.size()),
ptr (mmap (NULL, size, PROT_READ|PROT_WRITE,
MAP_SHARED|MAP_NORESERVE, fd.get(), 0)),
mapped (ptr != GU_MAP_FAILED)
{
if (!mapped)
{
gu_throw_error(errno) << "mmap() on '" << fd.name()
<< "' failed";
}
#if !defined(__sun__) && !defined(__APPLE__) && !defined(__FreeBSD__)
/* Solaris, Darwin, and FreeBSD do not have MADV_DONTFORK */
if (posix_madvise (ptr, size, MADV_DONTFORK))
{
int const err(errno);
log_warn << "Failed to set MADV_DONTFORK on " << fd.name()
<< ": " << err << " (" << strerror(err) << ")";
}
#endif
/* benefits are questionable */
if (sequential && posix_madvise (ptr, size, MADV_SEQUENTIAL))
{
int const err(errno);
log_warn << "Failed to set MADV_SEQUENTIAL on " << fd.name()
<< ": " << err << " (" << strerror(err) << ")";
}
log_debug << "Memory mapped: " << ptr << " (" << size << " bytes)";
}
bool
nsTemporaryFileInputStream::Deserialize(const InputStreamParams& aParams,
const FileDescriptorArray& aFileDescriptors)
{
const TemporaryFileInputStreamParams& params = aParams.get_TemporaryFileInputStreamParams();
uint32_t fileDescriptorIndex = params.fileDescriptorIndex();
FileDescriptor fd;
if (fileDescriptorIndex < aFileDescriptors.Length()) {
fd = aFileDescriptors[fileDescriptorIndex];
NS_WARN_IF_FALSE(fd.IsValid(), "Received an invalid file descriptor!");
} else {
NS_WARNING("Received a bad file descriptor index!");
}
if (fd.IsValid()) {
auto rawFD = fd.ClonePlatformHandle();
PRFileDesc* fileDesc = PR_ImportFile(PROsfd(rawFD.release()));
if (!fileDesc) {
NS_WARNING("Failed to import file handle!");
return false;
}
mFileDescOwner = new FileDescOwner(fileDesc);
} else {
mClosed = true;
}
mStartPos = mCurPos = params.startPos();
mEndPos = params.endPos();
return true;
}
std::vector<std::string> InputDeviceHandle::enumeratePaths(SurgSim::Framework::Logger* logger)
{
std::vector<std::string> results;
for (int i = 0; i < 100; ++i)
{
char devicePath[128];
snprintf(devicePath, sizeof(devicePath), "/dev/input/event%d", i);
FileDescriptor handle;
if (! handle.openForReadingAndMaybeWriting(devicePath))
{
int error = errno;
if (error != ENOENT)
{
SURGSIM_LOG_INFO(logger) << "InputDeviceHandle::enumeratePaths: Could not open device " << devicePath <<
": error " << error << ", " << getSystemErrorText(error);
}
continue;
}
results.push_back(devicePath);
}
return results;
}
bool PicturesExporter::extractInputArgs(const PlugInArgList* pInArgList)
{
string exporter = getName();
if (exporter.empty())
{
exporter = "Pictures Exporter";
}
PlugInArg* pArg = NULL;
// Progress
if (pInArgList->getArg(Executable::ProgressArg(), pArg) && (pArg != NULL))
{
mpProgress = pArg->getPlugInArgValue<Progress>();
}
// File Descriptor
mOutPath.erase();
FileDescriptor* pFileDescriptor = pInArgList->getPlugInArgValue<FileDescriptor>(Exporter::ExportDescriptorArg());
if (pFileDescriptor != NULL)
{
mOutPath = pFileDescriptor->getFilename().getFullPathAndName();
}
if (mOutPath.empty())
{
mMessage = "The destination path is invalid.";
return false;
}
return true;
}
void FS::copy(FileDescriptor src_file, FileDescriptor & dst_fold, std::string dst_filename){
Block * src_block = new Block(src_file.first_block, config.block_size, _root);
read_data(&src_file, sizeof(FileDescriptor), src_block);
char * data = new char[src_file.size];
read_data(data, src_file.size, src_block);
FileDescriptor file;
Block * file_block = get_free_block();
write_data(&file, sizeof(FileDescriptor), file_block);
write_data(data, src_file.size, file_block);
Block * dst_block = new Block(dst_fold.first_block, config.block_size, _root);
bool found = false;
for(auto it = DirIterator(*this, dst_fold); it != DirIterator(*this); ++it){
FileDescriptor f = *it;
if (std::string(f.filename) == dst_filename ){
if( f.directory){
found = true;
dst_fold = f;
dst_block = new Block(dst_fold.first_block, config.block_size, _root);
} else{
throw std::runtime_error("File already exist");
}
}
}
file.first_block = file_block->get_index();
if(!found){
file.set_filename(dst_filename);
} else{
file.set_filename(src_file.filename);
}
file.parent_file = dst_fold.first_block;
file.size = src_file.size;
file.directory = src_file.directory;
if(dst_fold.first_child != -1){
Block * nb = new Block(dst_fold.first_child, config.block_size, _root);
FileDescriptor nd;
read_data(&nd, sizeof(FileDescriptor), nb);
nd.prev_file = file.first_block;
update_descriptor(nd,nb);
file.next_file = nd.first_block;
}
dst_fold.first_child = file.first_block;
update_descriptor(dst_fold, dst_block);
update_descriptor(file, file_block);
if(src_file.directory){
for(auto it = DirIterator(*this, src_file); it != DirIterator(*this); ++it){
FileDescriptor f = *it;
copy(f, file, f.filename);
}
}
}
ssize_t write(int handle, const void *in, size_t length)
{
FileDescriptor *descriptor = static_cast<FileDescriptor*>(GetResource(handle, OBJ_FD));
if (descriptor == 0)
return E_BAD_HANDLE;
ssize_t err = descriptor->Write(in, length);
descriptor->ReleaseRef();
return err;
}
int rewinddir(int handle)
{
FileDescriptor *descriptor = static_cast<FileDescriptor*>(GetResource(handle, OBJ_FD));
if (descriptor == 0)
return E_BAD_HANDLE;
int ret = descriptor->RewindDir();
descriptor->ReleaseRef();
return ret;
}
int ioctl(int handle, int command, void *buffer)
{
FileDescriptor *descriptor = static_cast<FileDescriptor*>(GetResource(handle, OBJ_FD));
if (descriptor == 0)
return E_BAD_HANDLE;
int ret = descriptor->Control(command, buffer);
descriptor->ReleaseRef();
return ret;
}
off_t lseek(int handle, off_t offs, int whence)
{
FileDescriptor *descriptor = static_cast<FileDescriptor*>(GetResource(handle, OBJ_FD));
if (descriptor == 0)
return E_BAD_HANDLE;
off_t ret = descriptor->Seek(offs, whence);
descriptor->ReleaseRef();
return ret;
}
ssize_t write_pos(int handle, off_t offs, const void *in, size_t length)
{
FileDescriptor *descriptor = static_cast<FileDescriptor*>(GetResource(handle, OBJ_FD));
if (descriptor == 0)
return E_BAD_HANDLE;
size_t ret = descriptor->WriteAt(offs, in, length);
descriptor->ReleaseRef();
return ret;
}
ssize_t read_pos(int handle, off_t offs, void *out, size_t length)
{
FileDescriptor *descriptor = static_cast<FileDescriptor*>(GetResource(handle, OBJ_FD));
if (descriptor == 0)
return E_BAD_HANDLE;
ssize_t err = descriptor->ReadAt(offs, out, length);
descriptor->ReleaseRef();
return err;
}
status_t readdir(int handle, char out_path[], size_t length)
{
FileDescriptor *descriptor = static_cast<FileDescriptor*>(GetResource(handle, OBJ_FD));
if (descriptor == 0)
return E_BAD_HANDLE;
status_t ret = descriptor->ReadDir(out_path, length);
descriptor->ReleaseRef();
return ret;
}
void FS::import(std::string host_file, std::string fs_file){
if (!initialized) {throw "Not initialized";}
read_meta();
if(fs_file[fs_file.size() - 1] == '/'){
fs_file = fs_file.substr(0, fs_file.size() - 1);
}
int last_match = fs_file.find_last_of("/");
std::string fs_file_path = fs_file.substr(0, last_match + 1);
std::string fs_file_name = fs_file.substr(last_match + 1);
FileDescriptor dst_fold = get_file(fs_file_path, false, false);
Block * dst_block = new Block(dst_fold.first_block, config.block_size, _root);
for(auto it = DirIterator(*this, dst_fold); it != DirIterator(*this); ++it){
FileDescriptor file = *it;
if (std::string(file.filename) == fs_file_name ) throw std::runtime_error("File already exist");
}
FileDescriptor file;
Block * file_block = get_free_block();
std::ifstream File (host_file, std::ios::in | std::ios::binary);
if( File.fail() ) throw std::runtime_error("Can't open " + host_file);
File.seekg( 0, std::ios::end );
int fileLen = File.tellg();
file.size = fileLen;
File.seekg( 0, std::ios::beg);
char * data = new char[fileLen];
File.read(data, fileLen);
if(File.fail()) throw std::runtime_error("Can't read file " + host_file);
File.close();
write_data(&file, sizeof(FileDescriptor), file_block);
write_data(data, fileLen, file_block);
file.directory = false;
file.set_filename(fs_file_name);
file.first_block = file_block->get_index();
file.parent_file = dst_fold.first_block;
file.prev_file = -1;
file.next_file = -1;
if(dst_fold.first_child != -1){
Block * nb = new Block(dst_fold.first_child, config.block_size, _root);
FileDescriptor nd;
read_data(&nd, sizeof(FileDescriptor), nb);
nd.prev_file = file.first_block;
update_descriptor(nd,nb);
file.next_file = nd.first_block;
}
dst_fold.first_child = file.first_block;
update_descriptor(dst_fold, dst_block);
update_descriptor(file, file_block);
write_meta();
}
bool
nsFileInputStream::Deserialize(const InputStreamParams& aParams,
const FileDescriptorArray& aFileDescriptors)
{
NS_ASSERTION(!mFD, "Already have a file descriptor?!");
NS_ASSERTION(!mDeferredOpen, "Deferring open?!");
NS_ASSERTION(!mFile, "Should never have a file here!");
NS_ASSERTION(!mPerm, "This should always be 0!");
if (aParams.type() != InputStreamParams::TFileInputStreamParams) {
NS_WARNING("Received unknown parameters from the other process!");
return false;
}
const FileInputStreamParams& params = aParams.get_FileInputStreamParams();
uint32_t fileDescriptorIndex = params.fileDescriptorIndex();
FileDescriptor fd;
if (fileDescriptorIndex < aFileDescriptors.Length()) {
fd = aFileDescriptors[fileDescriptorIndex];
NS_WARNING_ASSERTION(fd.IsValid(),
"Received an invalid file descriptor!");
} else {
NS_WARNING("Received a bad file descriptor index!");
}
if (fd.IsValid()) {
auto rawFD = fd.ClonePlatformHandle();
PRFileDesc* fileDesc = PR_ImportFile(PROsfd(rawFD.release()));
if (!fileDesc) {
NS_WARNING("Failed to import file handle!");
return false;
}
mFD = fileDesc;
}
mBehaviorFlags = params.behaviorFlags();
if (!XRE_IsParentProcess()) {
// A child process shouldn't close when it reads the end because it will
// not be able to reopen the file later.
mBehaviorFlags &= ~nsIFileInputStream::CLOSE_ON_EOF;
// A child process will not be able to reopen the file so this flag is
// meaningless.
mBehaviorFlags &= ~nsIFileInputStream::REOPEN_ON_REWIND;
}
mIOFlags = params.ioFlags();
return true;
}
bool
LogCatReader::OnFileEvent(int _fd, unsigned mask)
{
assert(_fd == fd.Get());
char buffer[1024];
ssize_t nbytes = fd.Read(buffer, sizeof(buffer));
if (nbytes > 0) {
if (data.length() < 1024 * 1024)
data.append(buffer, nbytes);
return true;
} else {
EndOfFile();
return false;
}
}
mozilla::ipc::IPCResult
PDFiumChild::RecvConvertToEMF(const FileDescriptor& aFD,
const int& aPageWidth,
const int& aPageHeight)
{
MOZ_ASSERT(aFD.IsValid() && aPageWidth != 0 && aPageHeight != 0);
ipc::Shmem smem;
PDFViaEMFPrintHelper convertor;
if (NS_FAILED(convertor.OpenDocument(aFD))) {
Unused << SendConvertToEMFDone(NS_ERROR_FAILURE, smem);
return IPC_OK();
}
MOZ_ASSERT(convertor.GetPageCount() == 1, "we assume each given PDF contains" "one page only");
if (!convertor.SavePageToBuffer(0, aPageWidth, aPageHeight, smem, this)) {
Unused << SendConvertToEMFDone(NS_ERROR_FAILURE, smem);
return IPC_OK();
}
if (!smem.IsReadable()) {
Unused << SendConvertToEMFDone(NS_ERROR_FAILURE, smem);
return IPC_OK();
}
Unused << SendConvertToEMFDone(NS_OK, smem);
return IPC_OK();
}
mozilla::ipc::IPCResult
TemporaryIPCBlobParent::RecvOperationDone(const nsCString& aContentType,
const FileDescriptor& aFD)
{
MOZ_ASSERT(mActive);
mActive = false;
// We have received a file descriptor because in this way we have kept the
// file locked on windows during the IPC communication. After the creation of
// the TemporaryFileBlobImpl, this prfile can be closed.
auto rawFD = aFD.ClonePlatformHandle();
PRFileDesc* prfile = PR_ImportFile(PROsfd(rawFD.release()));
// Let's create the BlobImpl.
nsCOMPtr<nsIFile> file = Move(mFile);
RefPtr<TemporaryFileBlobImpl> blobImpl =
new TemporaryFileBlobImpl(file, NS_ConvertUTF8toUTF16(aContentType));
PR_Close(prfile);
IPCBlob ipcBlob;
nsresult rv = IPCBlobUtils::Serialize(blobImpl, Manager(), ipcBlob);
if (NS_WARN_IF(NS_FAILED(rv))) {
Unused << Send__delete__(this, NS_ERROR_FAILURE);
return IPC_OK();
}
Unused << Send__delete__(this, ipcBlob);
return IPC_OK();
}
int32 DeviceFSSuperBlock::createFd(Inode* inode, uint32 flag)
{
assert(inode);
File* file = inode->link(flag);
FileDescriptor* fd = new FileDescriptor(file);
s_files_.push_back(fd);
FileDescriptor::add(fd);
if (ustl::find(used_inodes_, inode) == used_inodes_.end())
{
used_inodes_.push_back(inode);
}
return (fd->getFd());
}
int open(const char path[], int)
{
VNode *node;
int error = FileSystem::WalkPath(path, strlen(path), &node);
if (error < 0)
return error;
FileDescriptor *desc;
error = node->Open(&desc);
if (error < 0) {
node->ReleaseRef();
return error;
}
desc->SetName(path);
return OpenHandle(desc);
}
void FS::format(){
if (!initialized) {throw "Not initialized";}
meta.block_map_size = config.block_no/8 + 1;
meta.block_map = new char[meta.block_map_size];
memset(meta.block_map, 0, sizeof(char)*meta.block_map_size);
int free_space_size = config.block_size - sizeof(BlockDescriptor);
int no_of_blocks = (sizeof(meta) + meta.block_map_size)/free_space_size + 1;
meta.root_block = no_of_blocks;
for(int i = 0; i<no_of_blocks; ++i) reserve_block(i);
FileDescriptor root;
root.set_filename("/");
root.first_block = meta.root_block;
write_data(&root, sizeof(FileDescriptor), 0);
write_meta();
}
void ExportDlg::updateFromFile(const QString& strFilename)
{
FileDescriptor* pFileDescriptor = mpExporter->getFileDescriptor();
if (pFileDescriptor != NULL)
{
string filename;
if (strFilename.isEmpty() == false)
{
QFileInfo fileInfo(strFilename);
if (fileInfo.isDir() == false)
{
filename = fileInfo.absoluteFilePath().toStdString();
}
}
pFileDescriptor->setFilename(filename);
}
}
GeckoExistingProcessHost::
GeckoExistingProcessHost(GeckoProcessType aProcessType,
base::ProcessHandle aProcess,
const FileDescriptor& aFileDescriptor,
ChildPrivileges aPrivileges)
: GeckoChildProcessHost(aProcessType, aPrivileges)
, mExistingProcessHandle(aProcess)
, mExistingFileDescriptor(aFileDescriptor)
{
NS_ASSERTION(aFileDescriptor.IsValid(),
"Expected file descriptor to be valid");
}
bool Nitf::NitfImporterShell::createRasterPager(RasterElement *pRaster) const
{
VERIFY(pRaster != NULL);
DataDescriptor* pDd = pRaster->getDataDescriptor();
VERIFY(pDd != NULL);
FileDescriptor* pFd = pDd->getFileDescriptor();
VERIFY(pFd != NULL);
const string& datasetLocation = pFd->getDatasetLocation();
if (datasetLocation.empty() == true)
{
return false;
}
stringstream imageNameStream(datasetLocation.substr(1));
int imageSegment;
imageNameStream >> imageSegment;
FactoryResource<Filename> pFn;
pFn->setFullPathAndName(pFd->getFilename());
ExecutableResource pPlugIn("NitfPager");
pPlugIn->getInArgList().setPlugInArgValue("Segment Number", &imageSegment);
pPlugIn->getInArgList().setPlugInArgValue(CachedPager::PagedElementArg(), pRaster);
pPlugIn->getInArgList().setPlugInArgValue(CachedPager::PagedFilenameArg(), pFn.get());
if (pPlugIn->execute() == true)
{
RasterPager* pPager = dynamic_cast<RasterPager*>(pPlugIn->getPlugIn());
if (pPager != NULL)
{
pRaster->setPager(pPager);
pPlugIn->releasePlugIn();
return true;
}
}
return false;
}
bool
PluginModuleParent::RecvBackUpXResources(const FileDescriptor& aXSocketFd)
{
#ifndef MOZ_X11
NS_RUNTIMEABORT("This message only makes sense on X11 platforms");
#else
NS_ABORT_IF_FALSE(0 > mPluginXSocketFdDup.get(),
"Already backed up X resources??");
mPluginXSocketFdDup.forget();
mPluginXSocketFdDup.reset(aXSocketFd.PlatformHandle());
#endif
return true;
}
void commands_ns::MkFile(FileSystem *fs, int argc, char *argv[], std::ostream& out)
{
if (argc != 1)
{
out << "Неправильное количество параметров"<< std::endl;
return;
}
if (strlen(argv[0]) > 41)
{
out << "Введены некорректные данные" << std::endl;
return;
};
char *nt[2];
nt[0] = strtok(argv[0], ".");
nt[1] = strtok(NULL, "");
char *s = strtok(NULL, ".,-!");
if ((!nt[0]) || (!nt[1]) || (s))
{
out << "Введены некорректные данные" << std::endl;
return;
}
if (fs->names_types(nt[0])||fs->names_types(nt[1]))
{
out << "Введены некорректные данные" << std::endl;
return;
}
FileDescriptor* fd = new FileDescriptor();
fd->SetName(nt[0]);
fd->SetType(nt[1]);
fd->SetSize(0);
fd->SetOffset(0);
fs->CreateFile(fd);
out << "Файл создан." << std::endl;
return;
}
bool
TTYKeyboard::OnFileEvent(FileDescriptor fd, unsigned mask)
{
char buffer[256];
const ssize_t nbytes = fd.Read(buffer, sizeof(buffer));
if (nbytes > 0) {
for (ssize_t i = 0; i < nbytes; ++i)
HandleInputByte(buffer[i]);
} else if (nbytes == 0 || errno != EAGAIN) {
queue.Quit();
return false;
}
return true;
}
Optional<Reflector> Reflector::create(size_t size)
{
static const char *path = "reflector.shm";
FileDescriptor fd;
void *lower = nullptr;
void *upper = nullptr;
void *both = nullptr;
int sts = -1;
if ((size == 0) || (size % 4096)) {
return Optional<Reflector>();
}
fd.reset(shm_open(path, O_RDWR | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR));
if (fd.empty()) {
return Optional<Reflector>();
}
sts = shm_unlink(path);
if (sts < 0) {
return Optional<Reflector>();
}
sts = ftruncate(fd.get(), size);
if (sts < 0) {
return Optional<Reflector>();
}
both = mmap(nullptr, size * 2, PROT_READ | PROT_WRITE, MAP_SHARED, fd.get(), 0);
if (both == MAP_FAILED) {
return Optional<Reflector>();
}
lower = mremap(both, size * 2, size, 0);
if (lower == MAP_FAILED) {
sts = munmap(both, size * 2);
assert(sts >= 0);
return Optional<Reflector>();
}
else if (lower != both) {
sts = munmap(lower, size);
assert(sts);
return Optional<Reflector>();
}
upper = static_cast<uint8_t*>(lower) + size;
upper = mmap(upper, size, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_FIXED, fd.get(), 0);
if (upper == MAP_FAILED) {
sts = munmap(lower, size);
assert(sts >= 0);
return Optional<Reflector>();
}
return Optional<Reflector>(Reflector(std::move(fd), lower, size));
}
