void TrashProtocol::get(const KURL &url)
{
INIT_IMPL;
kdDebug() << "get() : " << url << endl;
if(!url.isValid())
{
kdDebug() << kdBacktrace() << endl;
error(KIO::ERR_SLAVE_DEFINED, i18n("Malformed URL %1").arg(url.url()));
return;
}
if(url.path().length() <= 1)
{
error(KIO::ERR_IS_DIRECTORY, url.prettyURL());
return;
}
int trashId;
QString fileId;
QString relativePath;
bool ok = TrashImpl::parseURL(url, trashId, fileId, relativePath);
if(!ok)
{
error(KIO::ERR_SLAVE_DEFINED, i18n("Malformed URL %1").arg(url.prettyURL()));
return;
}
const QString physicalPath = impl.physicalPath(trashId, fileId, relativePath);
if(physicalPath.isEmpty())
{
error(impl.lastErrorCode(), impl.lastErrorMessage());
return;
}
// Usually we run jobs in TrashImpl (for e.g. future kdedmodule)
// But for this one we wouldn't use DCOP for every bit of data...
KURL fileURL;
fileURL.setPath(physicalPath);
KIO::Job *job = KIO::get(fileURL);
connect(job, SIGNAL(data(KIO::Job *, const QByteArray &)), this, SLOT(slotData(KIO::Job *, const QByteArray &)));
connect(job, SIGNAL(mimetype(KIO::Job *, const QString &)), this, SLOT(slotMimetype(KIO::Job *, const QString &)));
connect(job, SIGNAL(result(KIO::Job *)), this, SLOT(jobFinished(KIO::Job *)));
qApp->eventLoop()->enterLoop();
}
void checkNonExistentClients()
{
startTransiencyCheck(kdBacktrace(), NULL, true);
checkTransiency();
}
void KDebugDCOPIface::printBacktrace()
{
kdDebug() << kdBacktrace() << endl;
}
void
Crash::crashHandler( int /*signal*/ )
{
// we need to fork to be able to get a
// semi-decent bt - I dunno why
const pid_t pid = ::fork();
if( pid < 0 )
{
std::cout << "forking crash reporter failed\n";
// continuing now can't do no good
_exit( 1 );
}
else if ( pid == 0 )
{
// we are the child process (the result of the fork)
std::cout << "Pana is crashing...sorry this will be a minute...\n";
QString subject = APP_VERSION " ";
QString body = i18n(
"Pana has crashed.\n\n"
"Please help us fix it by clicking send on the crash report, "
"If you have time please add a brief description of what was happening just before the crash.\n\n"
"Thank you very much.\n\n" );
body += i18n( "\n\n\n\n\n\n"
"The information below is to help identify the problem.\n\n\n ");
body += "=== Debug information ===\n"
"Version: " APP_VERSION "\n"
"Engine: %1\n"
"Build date: " __DATE__ "\n"
"CC version: " __VERSION__ "\n"
"KDElibs: " KDE_VERSION_STRING "\n"
"Qt: %2\n"
"TagLib: %3.%4.%5\n"
"CPU count: %6\n";
QString cpucount = "unknown";
#ifdef __linux__
QString line;
uint cpuCount = 0;
QFile cpuinfo( "/proc/cpuinfo" );
if ( cpuinfo.open( IO_ReadOnly ) ) {
while ( cpuinfo.readLine( line, 20000 ) != -1 ) {
if ( line.startsWith( "processor" ) ) {
++cpuCount;
}
}
}
cpucount = QString::number( cpuCount );
#endif
body = body.arg( PanaConfig::soundSystem() )
.arg( qVersion() )
.arg( TAGLIB_MAJOR_VERSION )
.arg( TAGLIB_MINOR_VERSION )
.arg( TAGLIB_PATCH_VERSION )
.arg( cpucount );
#ifdef NDEBUG
body += "NDEBUG: true";
#endif
body += '\n';
/// obtain the backtrace with gdb
KTempFile temp;
temp.setAutoDelete( true );
const int handle = temp.handle();
// QCString gdb_command_string =
// "file panaapp\n"
// "attach " + QCString().setNum( ::getppid() ) + "\n"
// "bt\n" "echo \\n\n"
// "thread apply all bt\n";
const QCString gdb_batch =
"bt\n"
"echo \\n\\n\n"
"bt full\n"
"echo \\n\\n\n"
"echo ==== (gdb) thread apply all bt ====\\n\n"
"thread apply all bt\n";
::write( handle, gdb_batch, gdb_batch.length() );
::fsync( handle );
// so we can read stderr too
::dup2( fileno( stdout ), fileno( stderr ) );
QCString gdb;
gdb = "gdb --nw -n --batch -x ";
gdb += temp.name().latin1();
gdb += " panaapp ";
gdb += QCString().setNum( ::getppid() );
QString bt = runCommand( gdb );
/// clean up
bt.remove( "(no debugging symbols found)..." );
bt.remove( "(no debugging symbols found)\n" );
bt.replace( QRegExp("\n{2,}"), "\n" ); //clean up multiple \n characters
bt.stripWhiteSpace();
/// analyze usefulness
bool useful = true;
const QString fileCommandOutput = runCommand( "file `which panaapp`" );
if( fileCommandOutput.find( "not stripped", false ) == -1 )
subject += "[___stripped]"; //same length as below
else
subject += "[NOTstripped]";
if( !bt.isEmpty() ) {
const int invalidFrames = bt.contains( QRegExp("\n#[0-9]+\\s+0x[0-9A-Fa-f]+ in \\?\\?") );
const int validFrames = bt.contains( QRegExp("\n#[0-9]+\\s+0x[0-9A-Fa-f]+ in [^?]") );
const int totalFrames = invalidFrames + validFrames;
if( totalFrames > 0 ) {
const double validity = double(validFrames) / totalFrames;
subject += QString("[validity: %1]").arg( validity, 0, 'f', 2 );
if( validity <= 0.5 ) useful = false;
}
subject += QString("[frames: %1]").arg( totalFrames, 3 /*padding*/ );
if( bt.find( QRegExp(" at \\w*\\.cpp:\\d+\n") ) >= 0 )
subject += "[line numbers]";
}
else
useful = false;
subject += QString("[%1]").arg( PanaConfig::soundSystem().remove( QRegExp("-?engine") ) );
std::cout << subject.latin1() << std::endl;
//TODO -fomit-frame-pointer buggers up the backtrace, so detect it
//TODO -O optimization can rearrange execution and stuff so show a warning for the developer
//TODO pass the CXXFLAGS used with the email
if( useful ) {
body += "==== file `which panaapp` =======\n";
body += fileCommandOutput + "\n\n";
body += "==== (gdb) bt =====================\n";
body += bt + "\n\n";
body += "==== kdBacktrace() ================\n";
body += kdBacktrace();
//TODO startup notification
kapp->invokeMailer(
/*to*/ "*****@*****.**",
/*cc*/ QString(),
/*bcc*/ QString(),
/*subject*/ subject,
/*body*/ body,
/*messageFile*/ QString(),
/*attachURLs*/ QStringList(),
/*startup_id*/ "" );
}
else {
std::cout << i18n( "\nPana has crashed.\n\n"
"Perhaps an upgrade is already available "
"which fixes the problem. Please check your distribution's software repository.\n" ).local8Bit();
}
//_exit() exits immediately, otherwise this
//function is called repeatedly ad finitum
::_exit( 255 );
}
else {
// we are the process that crashed
::alarm( 0 );
// wait for child to exit
::waitpid( pid, NULL, 0 );
::_exit( 253 );
}
}
void OscarMyselfContact::deleteContact()
{
kdWarning( OSCAR_GEN_DEBUG ) << k_funcinfo << "called on myself contact! Ignoring." << endl << kdBacktrace() << endl;
}