int main()
{
char *prompt_argv[2] = {"prompt", "% "};
cmd_prompt(2, prompt_argv);
setupSignalHandler();
run();
return 0;
}
int main(int argc, char *argv[])
{
TWebApplication webapp(argc, argv);
// Setup loggers
tSetupSystemLogger();
tSetupLoggers();
qInstallMsgHandler(messageOutput);
#if defined(Q_OS_UNIX)
webapp.watchUnixSignal(SIGTERM);
webapp.ignoreUnixSignal(SIGINT);
// Setup signal handlers for SIGSEGV, SIGILL, SIGFPE, SIGABRT and SIGBUS
setupFailureWriter(writeFailure);
setupSignalHandler();
#endif
// Sets codec
QTextCodec *codec = QTextCodec::codecForName("UTF-8"); // default value
QByteArray codecName = webapp.treefrogSettings().value("InternalEncoding").toByteArray().trimmed();
if (!codecName.isEmpty()) {
QTextCodec *c = QTextCodec::codecForName(codecName);
if (c) {
codec = c;
} else {
tWarn("no codec matching the name could be found: %s", codecName.data());
}
}
QTextCodec::setCodecForTr(codec);
QTextCodec::setCodecForLocale(codec);
tSystemDebug("setCodecForTr: %s", codec->name().data());
if (!webapp.webRootExists()) {
tSystemError("No such directory");
return 1;
}
tSystemDebug("Web Root: %s", qPrintable(webapp.webRootPath()));
if (!webapp.settingsFileExists()) {
tSystemError("Settings file not found");
return 2;
}
QHash<QString, QString> args = convertArgs(QCoreApplication::arguments());
TApplicationServer *server = new TApplicationServer(&webapp);
QString arg = args.value("-s");
if (!arg.isEmpty()) {
// Sets a listening socket descriptor
int sd = arg.toInt();
if (sd > 0) {
if (server->setSocketDescriptor(sd)) {
tSystemDebug("Set socket descriptor: %d", sd);
} else {
tSystemError("Failed to set socket descriptor: %d", sd);
return 3;
}
} else {
tSystemError("Invalid socket descriptor: %d", sd);
return 4;
}
}
server->open();
return webapp.exec();
}
// Setup signal Term handler
void setupTermHandler(void (*sigtermHandler)(int))
{
setupSignalHandler(SIGTERM, sigtermHandler);
}
void TraceThread::run() {
int status;
long ret;
pid_t trace_pid;
unsigned long event_msg;
setupSignalHandler();
// attach to processes
attach();
// Check if the observed process is traced
if (tasks.find(pid) == tasks.end()) {
trace_mutex.unlock();
context.report(Error::PROC_TRACE, "observed_process", "Cannot trace the observed_process");
}
context.info("Attached to all tasks of process " + QString::number(pid));
trace_mutex.unlock();
// start the loop for tracking process events
while (true) {
context.debug("Trace Thread is waiting");
// set alarm
alarm(3);
trace_pid = waitpid(-1, &status, __WALL);
alarm(0);
if (alarm_occured) {
context.debug("ALARM!");
alarm_occured = false;
if (exreq)
break;
else if (trace_pid == -1)
continue;
}
if (trace_pid == -1) {
context.report(Error::PROC_TRACE, "waitpid", "waitpid failed while tracing the observed process");
continue;
}
context.debug("Got signal from: " + QString::number(trace_pid));
// check return status of waitpid
if (WIFEXITED(status) || WIFSIGNALED(status)) {
tasks.erase(trace_pid);
emit sig_TaskTerminated(trace_pid);
if (pid == trace_pid) return;
} else if (WIFSTOPPED(status)) {
if (WSTOPSIG(status) == SIGTRAP) {
ret = ptrace(PTRACE_GETEVENTMSG, trace_pid, nullptr, (void *)&event_msg);
if (ret != 0)
context.report(Error::PROC_TRACE, "ptrace_eventmsg", "Could not get ptrace event information");
switch (status >> 16) {
case (PTRACE_EVENT_CLONE):
case (PTRACE_EVENT_FORK):
case (PTRACE_EVENT_VFORK):
newTask(event_msg);
break;
default:
context.debug("Received unhandled ptrace event!");
break;
}
ptraceContinue(trace_pid);
} else if (WSTOPSIG(status) == SIGSTOP) {
context.debug("Received stop signal!");
if (tasks.find(trace_pid) != tasks.end()) {
ptraceContinue(trace_pid);
} else
newTask(trace_pid);
} else {
context.debug("Received unhandled signal!");
ptraceContinue(trace_pid, WSTOPSIG(status));
}
} else {
