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-rw-r--r--library/filemanager.cpp67
1 files changed, 55 insertions, 12 deletions
diff --git a/library/filemanager.cpp b/library/filemanager.cpp
index cc657fa..91986a0 100644
--- a/library/filemanager.cpp
+++ b/library/filemanager.cpp
@@ -1,98 +1,107 @@
/**********************************************************************
** Copyright (C) 2000 Trolltech AS. All rights reserved.
**
** This file is part of Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#include "filemanager.h"
#include "applnk.h"
#include <qdir.h>
#include <qfile.h>
#include <qfileinfo.h>
#include <qtextstream.h>
#include <qtextcodec.h>
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/stat.h>
#include <dirent.h>
-#include <sys/sendfile.h>
+#ifdef Q_OS_MACX
+// MacOS X does not have sendfile.. :(
+// But maybe in the future.. !?
+# ifdef SENDFILE
+# include <sys/types.h>
+# include <sys/socket.h>
+# endif
+#else
+# include <sys/sendfile.h>
+#endif /* Q_OS_MACX */
#include <fcntl.h>
/*!
\class FileManager
\brief The FileManager class assists with AppLnk input/output.
*/
/*!
Constructs a FileManager.
*/
FileManager::FileManager()
{
}
/*!
Destroys a FileManager.
*/
FileManager::~FileManager()
{
}
/*!
Saves \a data as the document specified by \a f.
Returns whether the operation succeeded.
*/
bool FileManager::saveFile( const DocLnk &f, const QByteArray &data )
{
QString fn = f.file() + ".new";
ensurePathExists( fn );
QFile fl( fn );
if ( !fl.open( IO_WriteOnly|IO_Raw ) ) {
qWarning("open failed");
return FALSE;
}
int total_written = fl.writeBlock( data );
fl.close();
if ( total_written != int(data.size()) || !f.writeLink() ) {
QFile::remove( fn );
return FALSE;
}
qDebug("total written %d out of %d", total_written, data.size());
// else rename the file...
if ( !renameFile( fn.latin1(), f.file().latin1() ) ) {
qWarning( "problem renaming file %s to %s, errno: %d", fn.latin1(),
f.file().latin1(), errno );
// remove the file...
}
return TRUE;
}
/*!
Saves \a text as the document specified by \a f.
The text is saved in UTF8 format.
Returns whether the operation succeeded.
*/
bool FileManager::saveFile( const DocLnk &f, const QString &text )
{
QString fn = f.file() + ".new";
ensurePathExists( fn );
QFile fl( fn );
@@ -155,161 +164,195 @@ bool FileManager::loadFile( const DocLnk &f, QByteArray &ba )
QString fn = f.file();
QFile fl( fn );
if ( !fl.open( IO_ReadOnly ) )
return FALSE;
ba.resize( fl.size() );
if ( fl.size() > 0 )
fl.readBlock( ba.data(), fl.size() );
fl.close();
return TRUE;
}
/*!
Copies the document specified by \a src to the document specified
by \a dest.
Returns whether the operation succeeded.
*/
bool FileManager::copyFile( const AppLnk &src, const AppLnk &dest )
{
QFile sf( src.file() );
if ( !sf.open( IO_ReadOnly ) )
return FALSE;
QString fn = dest.file() + ".new";
ensurePathExists( fn );
QFile df( fn );
if ( !df.open( IO_WriteOnly|IO_Raw ) )
return FALSE;
const int bufsize = 16384;
char buffer[bufsize];
bool ok = TRUE;
int bytesRead = 0;
while ( ok && !sf.atEnd() ) {
bytesRead = sf.readBlock( buffer, bufsize );
if ( bytesRead < 0 )
ok = FALSE;
while ( ok && bytesRead > 0 ) {
int bytesWritten = df.writeBlock( buffer, bytesRead );
if ( bytesWritten < 0 )
ok = FALSE;
else
bytesRead -= bytesWritten;
}
}
if ( ok )
ok = dest.writeLink();
if ( ok ) {
// okay now rename the file...
if ( !renameFile( fn.latin1(), dest.file().latin1() ) ) {
qWarning( "problem renaming file %s to %s, errno: %d", fn.latin1(),
dest.file().latin1(), errno );
// remove the tmp file, otherwise, it will just lay around...
QFile::remove( fn.latin1() );
}
} else {
QFile::remove( fn.latin1() );
}
return ok;
}
+
+
bool FileManager::copyFile( const QString & src, const QString & dest ) {
bool success = true;
struct stat status;
int read_fd=0;
int write_fd=0;
struct stat stat_buf;
off_t offset = 0;
QFile srcFile(src);
QFile destFile(dest);
if(!srcFile.open( IO_ReadOnly|IO_Raw)) {
return success = false;
}
read_fd = srcFile.handle();
if(read_fd != -1) {
fstat (read_fd, &stat_buf);
if( !destFile.open( IO_WriteOnly|IO_Raw ) )
return success = false;
write_fd = destFile.handle();
if(write_fd != -1) {
int err=0;
QString msg;
- err = sendfile(write_fd, read_fd, &offset, stat_buf.st_size);
- if( err == -1) {
- switch(err) {
- case EBADF : msg = "The input file was not opened for reading or the output file was not opened for writing. ";
- case EINVAL: msg = "Descriptor is not valid or locked. ";
- case ENOMEM: msg = "Insufficient memory to read from in_fd.";
- case EIO: msg = "Unspecified error while reading from in_fd.";
- };
- success = false;
- }
- } else {
+#ifdef Q_OS_MACX
+#ifdef SENDMAIL
+ /* FreeBSD does support a different kind of
+ * sendfile. (eilers)
+ * I took this from Very Secure FTPd
+ * Licence: GPL
+ * Author: Chris Evans
+ * sysdeputil.c
+ */
+ /* XXX - start_pos will truncate on 32-bit machines - can we
+ * say "start from current pos"?
+ */
+ off_t written = 0;
+ int retval = 0;
+ retval = sendfile(read_fd, write_fd, offset, stat_buf.st_size, NULL,
+ &written, 0);
+ /* Translate to Linux-like retval */
+ if (written > 0)
+ {
+ err = (int) written;
+ }
+#else /* SENDMAIL */
+ err == -1;
+ msg = "FAILURE: Using unsupported function \"sendfile()\" Need Workaround !!";
+ success = false;
+# warning "Need workaround for sendfile!!(eilers)"
+#endif /* SENDMAIL */
+
+#else
+ err = sendfile(write_fd, read_fd, &offset, stat_buf.st_size);
+ if( err == -1) {
+ switch(err) {
+ case EBADF : msg = "The input file was not opened for reading or the output file was not opened for writing. ";
+ case EINVAL: msg = "Descriptor is not valid or locked. ";
+ case ENOMEM: msg = "Insufficient memory to read from in_fd.";
+ case EIO: msg = "Unspecified error while reading from in_fd.";
+ };
+ success = false;
+ }
+#endif /* Q_OS_MACX */
+ if( !success )
+ qWarning( msg );
+ } else {
qWarning("open write failed %s, %s",src.latin1(), dest.latin1());
success = false;
}
} else {
qWarning("open read failed %s, %s",src.latin1(), dest.latin1());
success = false;
}
srcFile.close();
destFile.close();
// Set file permissions
if( stat( (const char *) src, &status ) == 0 ) {
chmod( (const char *) dest, status.st_mode );
}
return success;
}
bool FileManager::renameFile( const QString & src, const QString & dest ) {
if(copyFile( src, dest )) {
if(QFile::remove(src) ) {
return true;
}
}
return false;
}
/*!
Opens the document specified by \a f as a readable QIODevice.
The caller must delete the return value.
Returns 0 if the operation fails.
*/
QIODevice* FileManager::openFile( const DocLnk& f )
{
QString fn = f.file();
QFile* fl = new QFile( fn );
if ( !fl->open( IO_ReadOnly ) ) {
delete fl;
fl = 0;
}
return fl;
}
/*!
Opens the document specified by \a f as a writable QIODevice.
The caller must delete the return value.
Returns 0 if the operation fails.
*/
QIODevice* FileManager::saveFile( const DocLnk& f )
{
QString fn = f.file();
ensurePathExists( fn );
QFile* fl = new QFile( fn );
if ( fl->open( IO_WriteOnly ) ) {
f.writeLink();
} else {
delete fl;
fl = 0;
}
return fl;
}