CF::File_ptr FileManager_impl::open (const char* fileName, CORBA::Boolean read_Only)
throw (CORBA::SystemException, CF::InvalidFileName, CF::FileException)
{
TRACE_ENTER(FileManager_impl);
if (!ossie::isValidFileName(fileName)) {
throw CF::InvalidFileName(CF::CF_EINVAL, "Invalid file name");
}
LOG_TRACE(FileManager_impl, "Opening file " << fileName << std::string((read_Only)?" readonly":" readwrite"));
// Lock the mount table shared to allow others to access the file system,
// but prevent changes to the mount table itself.
boost::shared_lock<boost::shared_mutex> lock(mountsLock);
MountList::iterator mount = getMountForPath(fileName);
CF::File_var file;
if (mount == mountedFileSystems.end()) {
LOG_TRACE(FileManager_impl, "Opening local file");
file = FileSystem_impl::open(fileName, read_Only);
} else {
const std::string filePath = mount->getRelativePath(fileName);
LOG_TRACE(FileManager_impl, "Opening " << filePath << " on remote file system mounted at " << mount->path);
file = mount->fs->open(filePath.c_str(), read_Only);
}
TRACE_EXIT(FileManager_impl);
return file._retn();
}
static std::string getLogConfig(std::string uri)
{
std::string localPath;
std::string::size_type fsPos = uri.find("?fs=");
if (std::string::npos == fsPos) {
return localPath;
}
std::string IOR = uri.substr(fsPos + 4);
CORBA::Object_var obj = ossie::corba::stringToObject(IOR);
if (CORBA::is_nil(obj)) {
return localPath;
}
CF::FileSystem_var fileSystem = CF::FileSystem::_narrow(obj);
if (CORBA::is_nil(fileSystem)) {
return localPath;
}
std::string remotePath = uri.substr(0, fsPos);
CF::OctetSequence_var data;
try {
CF::File_var remoteFile = fileSystem->open(remotePath.c_str(), true);
CORBA::ULong size = remoteFile->sizeOf();
remoteFile->read(data, size);
} catch (...) {
return localPath;
}
std::string tempPath = remotePath;
std::string::size_type slashPos = remotePath.find_last_of('/');
if (std::string::npos != slashPos) {
tempPath.erase(0, slashPos + 1);
}
std::fstream localFile(tempPath.c_str(), std::ios::out|std::ios::trunc);
if (!localFile) {
return localPath;
}
if (localFile.write((const char*)data->get_buffer(), data->length())) {
localPath = tempPath;
}
localFile.close();
return localPath;
}
void FileManager_impl::copy (const char* sourceFileName, const char* destinationFileName)
throw (CORBA::SystemException, CF::InvalidFileName, CF::FileException)
{
TRACE_ENTER(FileManager_impl);
// Validate absolute file names
if (sourceFileName[0] != '/' || !ossie::isValidFileName(sourceFileName)) {
throw CF::InvalidFileName(CF::CF_EINVAL, "Invalid source file name");
} else if (destinationFileName[0] != '/' || !ossie::isValidFileName(destinationFileName)) {
throw CF::InvalidFileName(CF::CF_EINVAL, "Invalid destination file name");
} else if (strcmp(sourceFileName, destinationFileName) == 0) {
throw CF::InvalidFileName(CF::CF_EINVAL, "Destination file name is identical to source file name");
}
LOG_TRACE(FileManager_impl, "Copy " << sourceFileName << " to " << destinationFileName);
// Lock the mount table shared to allow others to access the file system,
// but prevent changes to the mount table itself.
boost::shared_lock<boost::shared_mutex> lock(mountsLock);
MountList::iterator sourceMount = getMountForPath(sourceFileName);
MountList::iterator destMount = getMountForPath(destinationFileName);
if (sourceMount == destMount) {
// Source and destination are on the same file system...
if (sourceMount == mountedFileSystems.end()) {
// ...which is also the local file system.
LOG_TRACE(FileManager_impl, "Copying locally");
FileSystem_impl::copy(sourceFileName, destinationFileName);
} else {
// ...which is a remote file system.
LOG_TRACE(FileManager_impl, "Copying locally on remote file system");
const std::string srcPath = sourceMount->getRelativePath(sourceFileName);
const std::string dstPath = destMount->getRelativePath(destinationFileName);
sourceMount->fs->copy(srcPath.c_str(), dstPath.c_str());
}
return;
}
LOG_TRACE(FileManager_impl, "Copying between filesystems");
// Open the source file (may be local).
CF::File_var srcFile;
if (sourceMount == mountedFileSystems.end()) {
srcFile = FileSystem_impl::open(sourceFileName, true);
} else {
const std::string srcPath = sourceMount->getRelativePath(sourceFileName);
srcFile = sourceMount->fs->open(srcPath.c_str(), true);
}
// Open the destination file (may be local).
CF::File_var dstFile;
if (destMount == mountedFileSystems.end()) {
if (FileSystem_impl::exists(destinationFileName)) {
FileSystem_impl::remove(destinationFileName);
}
dstFile = FileSystem_impl::create(destinationFileName);
} else {
const std::string dstPath = destMount->getRelativePath(destinationFileName);
CF::FileSystem_ptr destFS = destMount->fs;
if (destFS->exists(dstPath.c_str())) {
destFS->remove(dstPath.c_str());
}
dstFile = destFS->create(dstPath.c_str());
}
std::ostringstream eout;
bool fe=false;
try {
// Read the data
CF::OctetSequence_var data;
CORBA::ULong bytes = srcFile->sizeOf();
const CORBA::ULong DEFAULT_CHUNK_SIZE = ossie::corba::giopMaxMsgSize() * 0.95;
while (bytes > 0) {
// Read the file data in 1MB chunks. If omniORB uses the GIOP protocol to talk to the source filesystem
// (i.e. it is in a different ORB), reads of more than about 2MB will exceed the maximum GIOP packet
// size and raise a MARSHAL exception.
CORBA::ULong chunkSize = std::min(bytes, DEFAULT_CHUNK_SIZE);
bytes -= chunkSize;
try {
srcFile->read(data, chunkSize);
} catch ( std::exception& ex ) {
eout << "The following standard exception occurred: "<<ex.what()<<" While \"srcFile->read\"";
throw(CF::FileException());
} catch ( CF::FileException& ex ) {
eout << "File Exception occured, While \"srcFile->read\"";
throw;
} catch ( CF::File::IOException& ex ) {
eout << "File IOException occured, While \"srcFile->read\"";
throw;
} catch ( CORBA::Exception& ex ) {
eout << "The following CORBA exception occurred: "<<ex._name()<<" While \"srcFile->read\"";
throw(CF::FileException());
} catch( ... ) {
eout << "[FileManager::copy] \"srcFile->read\" failed with Unknown Exception\n";
throw(CF::FileException());
}
// write the data
try {
dstFile->write(data);
} catch ( std::exception& ex ) {
std::ostringstream eout;
eout << "The following standard exception occurred: "<<ex.what()<<" While \"dstFile->write\"";
throw(CF::FileException());
} catch ( CF::FileException& ex ) {
eout << "File Exception occurred, during \"dstFile->write\"";
throw;
} catch ( CF::File::IOException& ex ) {
eout << "File IOException occurred, during \"dstFile->write\"";
throw;
} catch ( CORBA::Exception& ex ) {
eout << "The following CORBA exception occurred: "<<ex._name()<<" While \"dstFile->write\"";
throw(CF::FileException());
} catch( ... ) {
eout << "[FileManager::copy] \"dstFile->write\" failed with Unknown Exception\n";
throw(CF::FileException());
}
}
}
catch(...) {
LOG_ERROR(FileManager_impl, eout.str());
fe = true;
}
// close the files
try {
try {
srcFile->close();
} catch ( std::exception& ex ) {
eout << "The following standard exception occurred: "<<ex.what()<<" While \"srcFile->close\"";
throw(CF::FileException());
} catch ( CF::FileException& ex ) {
eout << "File Exception occured, during \"srcFile->close\"";
throw;
} catch ( CORBA::Exception& ex ) {
eout << "The following CORBA exception occurred: "<<ex._name()<<" While \"srcFile->close\"";
throw(CF::FileException());
} catch( ... ) {
eout << "[FileManager::copy] \"srcFile->close\" failed with Unknown Exception\n";
throw(CF::FileException());
}
} catch(...) {
LOG_ERROR(FileManager_impl, eout.str());
fe = true;
}
try {
try {
dstFile->close();
} catch ( std::exception& ex ) {
eout << "The following standard exception occurred: "<<ex.what()<<" While \"dstFile->close\"";
throw(CF::FileException());
} catch ( CF::FileException& ex ) {
eout << "File Exception occured, during \"srcFile->close\"";
throw;
} catch ( CORBA::Exception& ex ) {
eout << "The following CORBA exception occurred: "<<ex._name()<<" While \"dstFile->close\"";
throw(CF::FileException());
} catch( ... ) {
eout << "[FileManager::copy] \"dstFile->close\" failed with Unknown Exception\n";
throw(CF::FileException());
}
} catch(...) {
LOG_ERROR(FileManager_impl, eout.str());
fe = true;
}
if ( fe ) {
throw(CF::FileException());
}
TRACE_EXIT(FileManager_impl);
}