int Booster::run(SocketManager * socketManager)
{
if (!m_appData->fileName().empty())
{
// We can close sockets here because
// socket FD is passed to daemon already
if (socketManager)
{
socketManager->closeAllSockets();
}
// Execute the binary
Logger::logDebug("Booster: invoking '%s' ", m_appData->fileName().c_str());
try {
return launchProcess();
} catch (const std::runtime_error &e) {
Logger::logError("Booster: Failed to invoke: %s\n", e.what());
// Also log to the terminal so the error appears on the terminal too
fprintf(stderr, "Failed to invoke: %s\n", e.what());
return EXIT_FAILURE;
}
}
else
{
Logger::logError("Booster: nothing to invoke\n");
return EXIT_FAILURE;
}
}
void ProgramRunner::start() {
int pipeEnds[ 2 ];
int status = pipe(pipeEnds);
if (status != 0) {
error() << "failed to create pipe: " << errnoWithDescription() << endl;
fassertFailed(16701);
}
fflush( 0 );
launchProcess(pipeEnds[1]); //sets _pid
{
stringstream ss;
ss << "shell: started program (sh" << _pid << "): ";
for (unsigned i = 0; i < _argv.size(); i++) {
ss << " " << _argv[i];
}
log() << ss.str() << endl;
}
if ( _port > 0 )
registry.registerPort( _port, _pid, pipeEnds[ 1 ] );
else
registry.registerPid( _pid, pipeEnds[ 1 ] );
_pipe = pipeEnds[ 0 ];
}
void FolderView::navigateToPath(const QString &path)
{
qDebug() << "FolderView::navigateToPath:" << path;
QFileInfo info(path);
if (! info.exists()) {
qDebug() << "path doesn't exists.";
return;
}
if (info.isDir()) {
qDebug() << "is a directory";
setPath(path);
//scrollTo(fileSystemModel()->index(path));
//OEG::Qt::TabWidget *tab = qobject_cast<OEG::Qt::TabWidget *>(parent());
FolderManager *fm = folderManager();
if (! fm) {
qDebug() << "No fm";
return;
}
OEG::Qt::TabWidget *tabs = fm->currentTabWidget();
if (! tabs) {
qDebug() << "No tabs"; // TODO
return;
}
else {
int index = tabs->currentIndex();
if (index >= 0) {
qDebug() << "New tab title:" << path;
tabs->setTabText(index, path);
}
}
return;
}
if (info.isFile()) {
qDebug() << "is a file";
if (info.completeSuffix() == "exe") {
launchProcess(info.absoluteFilePath());
}
return;
}
}
/**
* Appelé à la fin de conversion d'une image
*/
void Converter::convertFinished()
{
_countFinished++;
emit imageHasFinished(_countFinished);
if (_count < _list.size())
{
launchProcess(_list[_count],_size);
_count++;
}
if (_countFinished == _list.size())
{
emit taskCompleted();
}
}
/**
* Lance la conversion d'images
*/
void Converter::start(QStringList list, QSize size, int max, QString dest)
{
//On inscrit les nouvelles valeurs dans les attributs.
_size = size;
_max = max;
_count = 0;
_countFinished = 0 ;
_dest = dest;
_list = list;
//On boucle tant que on a pas dépassé le maximum
for (int i = 0; i < list.size() && _count < _max ; i++)
{
launchProcess(_list[i],size);
_count++;
}
}
int Booster::run(SocketManager * socketManager)
{
if (!m_appData->fileName().empty())
{
// We can close sockets here because
// socket FD is passed to daemon already
if (socketManager)
{
socketManager->closeAllSockets();
}
// Execute the binary
Logger::logDebug("Booster: invoking '%s' ", m_appData->fileName().c_str());
return launchProcess();
}
else
{
Logger::logError("Booster: nothing to invoke\n");
return EXIT_FAILURE;
}
}
void ProgramRunner::start() {
int pipeEnds[ 2 ];
verify( pipe( pipeEnds ) != -1 );
fflush( 0 );
launchProcess(pipeEnds[1]); //sets _pid
{
stringstream ss;
ss << "shell: started program";
for (unsigned i=0; i < _argv.size(); i++)
ss << " " << _argv[i];
log() << ss.str() << endl;
}
if ( _port > 0 )
registry.registerPort( _port, _pid, pipeEnds[ 1 ] );
else
registry.registerPid( _pid, pipeEnds[ 1 ] );
_pipe = pipeEnds[ 0 ];
}
void ProgramRunner::start() {
int pipeEnds[2];
{
// NOTE(JCAREY):
//
// We take this lock from before our call to pipe until after we close the write side (in
// the parent) to avoid leaking fds from threads racing around fork(). I.e.
//
// Thread A: calls pipe()
// Thread B: calls fork()
// A: sets cloexec on read and write sides
// B: has a forked child with open fds
// A: spawns a child thread to read it's child process's stdout
// A: A's child process exits
// A: wait's on A's reader thread in de-register
// A: deadlocks forever (because the child reader thread stays in read() because of the open
// fd in B)
//
// Holding the lock for the duration of those events prevents the leaks and thus the
// associated deadlocks.
stdx::lock_guard<stdx::mutex> lk(_createProcessMtx);
int status = pipe(pipeEnds);
if (status != 0) {
const auto ewd = errnoWithDescription();
error() << "failed to create pipe: " << ewd;
fassertFailed(16701);
}
#ifndef _WIN32
// The calls to fcntl to set CLOEXEC ensure that processes started by the process we are
// about to fork do *not* inherit the file descriptors for the pipe. If grandchild processes
// could inherit the FD for the pipe, than the pipe wouldn't close on child process exit. On
// windows, instead the handle inherit flag is turned off after the call to CreateProcess.
status = fcntl(pipeEnds[0], F_SETFD, FD_CLOEXEC);
if (status != 0) {
const auto ewd = errnoWithDescription();
error() << "failed to set FD_CLOEXEC on pipe end 0: " << ewd;
fassertFailed(40308);
}
status = fcntl(pipeEnds[1], F_SETFD, FD_CLOEXEC);
if (status != 0) {
const auto ewd = errnoWithDescription();
error() << "failed to set FD_CLOEXEC on pipe end 1: " << ewd;
fassertFailed(40317);
}
#endif
fflush(0);
launchProcess(pipeEnds[1]); // sets _pid
// Close the write end of the pipe.
safeClose(pipeEnds[1]);
}
if (_port >= 0) {
registry.registerProgram(_pid, _port);
} else {
registry.registerProgram(_pid);
}
_pipe = pipeEnds[0];
{
stringstream ss;
ss << "shell: started program (sh" << _pid << "): ";
for (unsigned i = 0; i < _argv.size(); i++) {
ss << " " << _argv[i];
}
log() << ss.str();
}
}
void Process::internalExec(const String programName,
const List<String>& args,
const List<String>& env,
bool mergeOutput)
{
HANDLE hInputRead = INVALID_HANDLE_VALUE;
HANDLE hInputWrite = INVALID_HANDLE_VALUE;
HANDLE hOutputRead = INVALID_HANDLE_VALUE;
HANDLE hOutputWrite = INVALID_HANDLE_VALUE;
HANDLE hErrorRead = INVALID_HANDLE_VALUE;
HANDLE hErrorWrite = INVALID_HANDLE_VALUE;
SECURITY_ATTRIBUTES sa;
DWORD errorNumber;
if (m_hasStarted)
{
throw SystemException("Failed to create process: Cannot start two "
"processes with one Process object");
}
// Set up the security attributes struct.
sa.nLength = sizeof(SECURITY_ATTRIBUTES);
sa.lpSecurityDescriptor = NULL;
sa.bInheritHandle = TRUE;
// Create the child input pipe.
if (!::CreatePipe(&hInputRead, &hInputWrite, &sa, 0))
{
throw SystemException(String("Failed to create process. Couldn't create "
"pipe: ") + WinUtil::getLastErrorMessage());
}
// Prevent the stdin write handle from being inherited
if (!::SetHandleInformation(hInputWrite, HANDLE_FLAG_INHERIT, 0))
{
errorNumber = ::GetLastError();
closePipe(hInputRead, hInputWrite);
throw SystemException(String("Failed to create process. Couldn't set "
"handle inheritance: ") + WinUtil::getErrorMessage(errorNumber));
}
// Create the child output pipe.
if (!::CreatePipe(&hOutputRead, &hOutputWrite, &sa, 0))
{
errorNumber = GetLastError();
closePipe(hInputRead, hInputWrite);
throw SystemException(String("Failed to create process. Couldn't create "
"pipe: ") + WinUtil::getErrorMessage(errorNumber));
}
// Prevent the stdout read handle from being inherited
if (!::SetHandleInformation(hOutputRead, HANDLE_FLAG_INHERIT, 0))
{
errorNumber = ::GetLastError();
closePipe(hInputRead, hInputWrite);
closePipe(hOutputRead, hOutputWrite);
throw SystemException(String("Failed to create process. Couldn't "
"set handle inheritance: ") + WinUtil::getErrorMessage(errorNumber));
}
if (!mergeOutput)
{
// Create the child error pipe.
if (!::CreatePipe(&hErrorRead, &hErrorWrite, &sa, 0))
{
errorNumber = ::GetLastError();
closePipe(hInputRead, hInputWrite);
closePipe(hOutputRead, hOutputWrite);
throw SystemException(String("Failed to create process. Couldn't "
"create pipe: ") + WinUtil::getErrorMessage(errorNumber));
}
// Prevent the stderr read handle from being inherited
if (!::SetHandleInformation(hErrorRead, HANDLE_FLAG_INHERIT, 0))
{
errorNumber = ::GetLastError();
closePipe(hInputRead, hInputWrite);
closePipe(hOutputRead, hOutputWrite);
closePipe(hErrorRead, hErrorWrite);
throw SystemException(String("Failed to create process. Couldn't "
"set handle inheritance: ") + WinUtil::getErrorMessage(errorNumber));
}
}
else
{
// If we are merging the output, just duplicate the stdout write
// handle and make the child use it as its stderr
if (!::DuplicateHandle(::GetCurrentProcess(), // Source Process
hOutputWrite, // Source HANDLE
::GetCurrentProcess(), // Destination Process
&hErrorWrite, // Destination HANDLE address
0, // Access rights (ignored due to DUPLICATE_SAME_ACCESS)
TRUE, // Make the HANDLE inheritable
DUPLICATE_SAME_ACCESS)) // Use same access rights
{
closePipe(hInputRead, hInputWrite);
closePipe(hOutputRead, hOutputWrite);
throw SystemException(String("Failed to create process. Couldn't "
"duplicate handle: ") + WinUtil::getLastErrorMessage());
}
}
// Start the process
m_processHandle = launchProcess(programName, args, env, hInputRead, hOutputWrite, hErrorWrite);
// Close our copies of the pipe handles that the child process will use.
::CloseHandle(hInputRead);
::CloseHandle(hOutputWrite);
::CloseHandle(hErrorWrite);
// Make stream objects
m_stdin = new FileOutputStream(hInputWrite);
m_stdout = new FileInputStream(hOutputRead);
if (!mergeOutput)
{
m_stderr = new FileInputStream(hErrorRead);
}
m_hasStarted = true;
}
