int setup_basics(const MythBackendCommandLineParser &cmdline)
{
ofstream pidfs;
if (!openPidfile(pidfs, cmdline.toString("pidfile")))
return GENERIC_EXIT_PERMISSIONS_ERROR;
if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
VERBOSE(VB_IMPORTANT, LOC_WARN + "Unable to ignore SIGPIPE");
if (cmdline.toBool("daemon") && (daemon(0, 1) < 0))
{
VERBOSE(VB_IMPORTANT, LOC_ERR + "Failed to daemonize" + ENO);
return GENERIC_EXIT_DAEMONIZING_ERROR;
}
QString username = cmdline.toString("username");
if (!username.isEmpty() && !setUser(username))
return GENERIC_EXIT_PERMISSIONS_ERROR;
if (pidfs)
{
pidfs << getpid() << endl;
pidfs.close();
}
return GENERIC_EXIT_OK;
}
int main(int argc, char **argv)
{
MythBackendCommandLineParser cmdline;
if (!cmdline.Parse(argc, argv))
{
cmdline.PrintHelp();
return GENERIC_EXIT_INVALID_CMDLINE;
}
if (cmdline.toBool("showhelp"))
{
cmdline.PrintHelp();
return GENERIC_EXIT_OK;
}
if (cmdline.toBool("showversion"))
{
cmdline.PrintVersion();
return GENERIC_EXIT_OK;
}
#ifndef _WIN32
for (int i = UNUSED_FILENO; i < sysconf(_SC_OPEN_MAX) - 1; ++i)
close(i);
QCoreApplication a(argc, argv);
#else
// MINGW application needs a window to receive messages
// such as socket notifications :[
QApplication a(argc, argv);
#endif
QCoreApplication::setApplicationName(MYTH_APPNAME_MYTHBACKEND);
pidfile = cmdline.toString("pidfile");
int retval = cmdline.Daemonize();
if (retval != GENERIC_EXIT_OK)
return retval;
bool daemonize = cmdline.toBool("daemon");
QString mask("general");
if ((retval = cmdline.ConfigureLogging(mask, daemonize)) != GENERIC_EXIT_OK)
return retval;
if (daemonize)
// Don't listen to console input if daemonized
close(0);
CleanupGuard callCleanup(cleanup);
#ifndef _WIN32
QList<int> signallist;
signallist << SIGINT << SIGTERM << SIGSEGV << SIGABRT;
SignalHandler handler(signallist);
signal(SIGHUP, SIG_IGN);
#endif
gContext = new MythContext(MYTH_BINARY_VERSION);
if (!gContext->Init(false))
{
LOG(VB_GENERAL, LOG_CRIT, "Failed to init MythContext.");
return GENERIC_EXIT_NO_MYTHCONTEXT;
}
setHttpProxy();
cmdline.ApplySettingsOverride();
if (cmdline.toBool("event") || cmdline.toBool("systemevent") ||
cmdline.toBool("setverbose") || cmdline.toBool("printsched") ||
cmdline.toBool("testsched") || cmdline.toBool("resched") ||
cmdline.toBool("scanvideos") || cmdline.toBool("clearcache") ||
cmdline.toBool("printexpire") || cmdline.toBool("setloglevel"))
{
gCoreContext->SetBackend(false);
return handle_command(cmdline);
}
gCoreContext->SetBackend(true);
retval = run_backend(cmdline);
return retval;
}
int handle_command(const MythBackendCommandLineParser &cmdline)
{
QString eventString;
if (cmdline.toBool("event"))
eventString = cmdline.toString("event");
else if (cmdline.toBool("systemevent"))
eventString = "SYSTEM_EVENT " +
cmdline.toString("systemevent") +
QString(" SENDER %1").arg(gCoreContext->GetHostName());
if (!eventString.isEmpty())
{
if (gCoreContext->ConnectToMasterServer())
{
gCoreContext->SendMessage(eventString);
return GENERIC_EXIT_OK;
}
return GENERIC_EXIT_NO_MYTHCONTEXT;
}
if (cmdline.toBool("setverbose"))
{
if (gCoreContext->ConnectToMasterServer())
{
QString message = "SET_VERBOSE ";
message += cmdline.toString("setverbose");
gCoreContext->SendMessage(message);
LOG(VB_GENERAL, LOG_INFO,
QString("Sent '%1' message").arg(message));
return GENERIC_EXIT_OK;
}
else
{
LOG(VB_GENERAL, LOG_ERR,
"Unable to connect to backend, verbose mask unchanged ");
return GENERIC_EXIT_CONNECT_ERROR;
}
}
if (cmdline.toBool("setloglevel"))
{
if (gCoreContext->ConnectToMasterServer())
{
QString message = "SET_LOG_LEVEL ";
message += cmdline.toString("setloglevel");
gCoreContext->SendMessage(message);
LOG(VB_GENERAL, LOG_INFO,
QString("Sent '%1' message").arg(message));
return GENERIC_EXIT_OK;
}
else
{
LOG(VB_GENERAL, LOG_ERR,
"Unable to connect to backend, log level unchanged ");
return GENERIC_EXIT_CONNECT_ERROR;
}
}
if (cmdline.toBool("clearcache"))
{
if (gCoreContext->ConnectToMasterServer())
{
gCoreContext->SendMessage("CLEAR_SETTINGS_CACHE");
LOG(VB_GENERAL, LOG_INFO, "Sent CLEAR_SETTINGS_CACHE message");
return GENERIC_EXIT_OK;
}
else
{
LOG(VB_GENERAL, LOG_ERR, "Unable to connect to backend, settings "
"cache will not be cleared.");
return GENERIC_EXIT_CONNECT_ERROR;
}
}
if (cmdline.toBool("printsched") ||
cmdline.toBool("testsched"))
{
Scheduler *sched = new Scheduler(false, &tvList);
if (cmdline.toBool("printsched"))
{
if (!gCoreContext->ConnectToMasterServer())
{
LOG(VB_GENERAL, LOG_ERR, "Cannot connect to master");
delete sched;
return GENERIC_EXIT_CONNECT_ERROR;
}
cout << "Retrieving Schedule from Master backend.\n";
sched->FillRecordListFromMaster();
}
else
{
cout << "Calculating Schedule from database.\n" <<
"Inputs, Card IDs, and Conflict info may be invalid "
"if you have multiple tuners.\n";
ProgramInfo::CheckProgramIDAuthorities();
sched->FillRecordListFromDB();
}
verboseMask |= VB_SCHEDULE;
LogLevel_t oldLogLevel = logLevel;
logLevel = LOG_DEBUG;
sched->PrintList(true);
logLevel = oldLogLevel;
delete sched;
return GENERIC_EXIT_OK;
}
if (cmdline.toBool("resched"))
{
bool ok = false;
if (gCoreContext->ConnectToMasterServer())
{
LOG(VB_GENERAL, LOG_INFO, "Connected to master for reschedule");
ScheduledRecording::RescheduleMatch(0, 0, 0, QDateTime(),
"MythBackendCommand");
ok = true;
}
else
LOG(VB_GENERAL, LOG_ERR, "Cannot connect to master for reschedule");
return (ok) ? GENERIC_EXIT_OK : GENERIC_EXIT_CONNECT_ERROR;
}
if (cmdline.toBool("scanvideos"))
{
bool ok = false;
if (gCoreContext->ConnectToMasterServer())
{
gCoreContext->SendReceiveStringList(QStringList() << "SCAN_VIDEOS");
LOG(VB_GENERAL, LOG_INFO, "Requested video scan");
ok = true;
}
else
LOG(VB_GENERAL, LOG_ERR, "Cannot connect to master for video scan");
return (ok) ? GENERIC_EXIT_OK : GENERIC_EXIT_CONNECT_ERROR;
}
if (cmdline.toBool("printexpire"))
{
expirer = new AutoExpire();
expirer->PrintExpireList(cmdline.toString("printexpire"));
return GENERIC_EXIT_OK;
}
// This should never actually be reached..
return GENERIC_EXIT_OK;
}
int handle_command(const MythBackendCommandLineParser &cmdline)
{
QString eventString;
if (cmdline.toBool("event"))
eventString = cmdline.toString("event");
else if (cmdline.toBool("systemevent"))
eventString = "SYSTEM_EVENT " +
cmdline.toString("systemevent") +
QString(" SENDER %1").arg(gCoreContext->GetHostName());
if (!eventString.isEmpty())
{
if (gCoreContext->ConnectToMasterServer())
{
RemoteSendMessage(eventString);
return GENERIC_EXIT_OK;
}
return GENERIC_EXIT_NO_MYTHCONTEXT;
}
if (cmdline.toBool("setverbose"))
{
if (gCoreContext->ConnectToMasterServer())
{
QString message = "SET_VERBOSE ";
message += cmdline.toString("setverbose");
RemoteSendMessage(message);
VERBOSE(VB_IMPORTANT, QString("Sent '%1' message").arg(message));
return GENERIC_EXIT_OK;
}
else
{
VERBOSE(VB_IMPORTANT,
"Unable to connect to backend, verbose level unchanged ");
return GENERIC_EXIT_CONNECT_ERROR;
}
}
if (cmdline.toBool("clearcache"))
{
if (gCoreContext->ConnectToMasterServer())
{
RemoteSendMessage("CLEAR_SETTINGS_CACHE");
VERBOSE(VB_IMPORTANT, "Sent CLEAR_SETTINGS_CACHE message");
return GENERIC_EXIT_OK;
}
else
{
VERBOSE(VB_IMPORTANT, "Unable to connect to backend, settings "
"cache will not be cleared.");
return GENERIC_EXIT_CONNECT_ERROR;
}
}
if (cmdline.toBool("printsched") ||
cmdline.toBool("testsched"))
{
sched = new Scheduler(false, &tvList);
if (!cmdline.toBool("testsched") &&
gCoreContext->ConnectToMasterServer())
{
cout << "Retrieving Schedule from Master backend.\n";
sched->FillRecordListFromMaster();
}
else
{
cout << "Calculating Schedule from database.\n" <<
"Inputs, Card IDs, and Conflict info may be invalid "
"if you have multiple tuners.\n";
sched->FillRecordListFromDB();
}
print_verbose_messages |= VB_SCHEDULE;
sched->PrintList(true);
return GENERIC_EXIT_OK;
}
if (cmdline.toBool("resched"))
{
bool ok = false;
if (gCoreContext->ConnectToMasterServer())
{
VERBOSE(VB_IMPORTANT, "Connected to master for reschedule");
ScheduledRecording::signalChange(-1);
ok = true;
}
else
VERBOSE(VB_IMPORTANT, "Cannot connect to master for reschedule");
return (ok) ? GENERIC_EXIT_OK : GENERIC_EXIT_CONNECT_ERROR;
}
if (cmdline.toBool("scanvideos"))
{
bool ok = false;
if (gCoreContext->ConnectToMasterServer())
{
gCoreContext->SendReceiveStringList(QStringList() << "SCAN_VIDEOS");
VERBOSE(VB_IMPORTANT, "Requested video scan");
ok = true;
}
else
VERBOSE(VB_IMPORTANT, "Cannot connect to master for video scan");
return (ok) ? GENERIC_EXIT_OK : GENERIC_EXIT_CONNECT_ERROR;
}
if (!cmdline.toBool("printexpire"))
{
expirer = new AutoExpire();
expirer->PrintExpireList(cmdline.toString("printexpire"));
return GENERIC_EXIT_OK;
}
// This should never actually be reached..
return GENERIC_EXIT_OK;
}