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krusader/virt/virt.cpp

306 lines
6.7 KiB

/***************************************************************************
virt.cpp
-------------------
begin : Fri Dec 5 2003
copyright : (C) 2003 by Shie Erlich & Rafi Yanai
email :
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include <sys/types.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <unistd.h>
#include <tqfile.h>
#include <kurl.h>
#include <kdebug.h>
#include <tdelocale.h>
#include <tdeversion.h>
#include <kinstance.h>
#include <tdemessagebox.h>
#include "virt.h"
using namespace TDEIO;
#define VIRT_VFS_DB "virt_vfs.db"
#define VIRT_PROTOCOL "virt"
#if KDE_IS_VERSION(3,4,0)
extern "C" { int TDE_EXPORT kdemain( int argc, char **argv ); }
#else
extern "C" { int kdemain( int argc, char **argv ); }
#endif
#define KrDEBUG(X...){\
FILE* f = fopen("/tmp/tdeio_virt.log","a+");\
fprintf(f,X);\
fclose(f);\
}
TQDict<KURL::List> VirtProtocol::kioVirtDict;
TDEConfig* VirtProtocol::tdeio_virt_db;
int kdemain( int argc, char **argv ) {
TDEInstance instance( "tdeio_virt" );
if ( argc != 4 ) {
fprintf( stderr, "Usage: tdeio_virt protocol domain-socket1 domain-socket2\n" );
exit( -1 );
}
VirtProtocol slave( argv[ 2 ], argv[ 3 ] );
slave.dispatchLoop();
return 0;
}
VirtProtocol::VirtProtocol( const TQCString &pool, const TQCString &app ) : SlaveBase( "virt", pool, app ) {
tdeio_virt_db = new TDEConfig(VIRT_VFS_DB,false,"data");
}
VirtProtocol::~VirtProtocol() {
delete tdeio_virt_db;
}
void VirtProtocol::del(KURL const & /*url */, bool /* isFile */ ){
// KRDEBUG(url.path());
messageBox(TDEIO::SlaveBase::QuestionYesNo,
"",
i18n("Virtulal delete"),
i18n("remove from virtual space"),
i18n("really delete")
);
finished();
}
void VirtProtocol::copy( const KURL &src, const KURL &dest, int /* permissions */, bool /* overwrite */ ){
TQString path = dest.path( -1 ).mid( 1 );
path = path.left(path.findRev("/"));
if ( path.isEmpty() ) path = "/";
if( addDir(path) ){
kioVirtDict[ path ]->append(src);
save();
}
finished();
}
bool VirtProtocol::addDir(TQString& path){
if( kioVirtDict[ path ] ) return true;
TQString updir;
if( !path.contains("/") ) updir = "/";
else updir = path.left(path.findRev("/"));
TQString name = path.mid(path.findRev("/")+1);
if( addDir(updir) ){
KURL url;
if( updir == "/" ) url = TQString("virt:/")+name;
else url = TQString("virt:/")+updir+"/"+name;
kioVirtDict[ updir ]->append( url );
KURL::List* temp = new KURL::List();
kioVirtDict.replace( path, temp );
return true;
}
return false;
}
void VirtProtocol::mkdir(const KURL& url,int){
if( url.protocol() != VIRT_PROTOCOL ){
redirection(url);
finished();
return;
}
TQString path = url.path( -1 ).mid( 1 );
if ( path.isEmpty() ) path = "/";
if( kioVirtDict[ path ] ){
error( TDEIO::ERR_DIR_ALREADY_EXIST, url.path() );
return;
}
addDir(path);
save();
finished();
}
void VirtProtocol::listDir( const KURL & url ) {
if( url.protocol() != VIRT_PROTOCOL ){
redirection(url);
finished();
return;
}
load();
TQString path = url.path( -1 ).mid( 1 );
if ( path.isEmpty() ) path = "/";
KURL::List* urlList = kioVirtDict[ path ];
if ( !urlList ) {
error(ERR_CANNOT_ENTER_DIRECTORY,url.path());
return;
}
UDSEntryList dirList;
KURL::List::iterator it;
for ( it = urlList->begin() ; it != urlList->end() ; ++it ) {
KURL entry_url = *it;
// translate url->UDS_ENTRY
UDSEntry entry;
if( entry_url.protocol() == VIRT_PROTOCOL ){
local_entry(entry_url,entry);
} else {
UDSAtom atom;
atom.m_uds = UDS_NAME;
atom.m_str = url.isLocalFile() ? url.path() : entry_url.prettyURL();
entry.append(atom);
atom.m_uds = UDS_URL;
atom.m_str = entry_url.url();
entry.append(atom);
}
dirList.append(entry);
}
totalSize(dirList.size());
listEntries(dirList);
finished();
}
void VirtProtocol::stat( const KURL & url ) {
if( url.protocol() != VIRT_PROTOCOL ){
redirection(url);
finished();
return;
}
UDSEntry entry;
local_entry(url,entry);
statEntry(entry);
finished();
}
void VirtProtocol::get( const KURL & url ) {
if( url.protocol() != VIRT_PROTOCOL ){
redirection(url);
finished();
return;
}
finished();
}
bool VirtProtocol::rewriteURL(const KURL& /* src */, KURL&){
return true;
}
bool VirtProtocol::save(){
lock();
TDEConfig* db = new TDEConfig(VIRT_VFS_DB,false,"data");;
db->setGroup("virt_db");
TQDictIterator<KURL::List> it( kioVirtDict ); // See TQDictIterator
for( ; it.current(); ++it ){
KURL::List::iterator url;
TQStringList entry;
for ( url = it.current()->begin() ; url != it.current()->end() ; ++url ) {
entry.append( (*url).url() );
}
db->writeEntry(it.currentKey(),entry);
}
db->sync();
delete(db);
unlock();
return true;
}
bool VirtProtocol::load(){
lock();
TDEConfig* db = new TDEConfig(VIRT_VFS_DB,false,"data");
db->setGroup("virt_db");
TQMap<TQString, TQString> map = db->entryMap("virt_db");
TQMap<TQString, TQString>::Iterator it;
KURL::List* urlList;
for ( it = map.begin(); it != map.end(); ++it ) {
urlList = new KURL::List( db->readListEntry(it.key()) );
kioVirtDict.replace( it.key(),urlList );
}
if( !kioVirtDict["/" ]){
urlList = new KURL::List();
kioVirtDict.replace( "/", urlList );
}
unlock();
delete(db);
return true;
}
void VirtProtocol::local_entry(const KURL& url,UDSEntry& entry){
TQString path = url.path( -1 ).mid( 1 );
if ( path.isEmpty() ) path = "/";
UDSAtom atom;
atom.m_uds = UDS_NAME;
atom.m_str = url.fileName();
entry.append(atom);
atom.m_uds = UDS_URL;
atom.m_str = url.url();
entry.append(atom);
atom.m_uds = UDS_FILE_TYPE;
atom.m_long = S_IFDIR;
entry.append(atom);
atom.m_uds = UDS_ACCESS;
atom.m_long = 0700;
entry.append(atom);
atom.m_uds = UDS_MIME_TYPE;
atom.m_str = "inode/system_directory";
entry.append(atom);
}
bool VirtProtocol::lock(){
return true;
}
bool VirtProtocol::unlock(){
return true;
}