backendutils.cpp

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// C++ includes
#include <iostream> // for std::cout
 
// MythTV
#include "libmythbase/exitcodes.h"
#include "libmythbase/mythcorecontext.h"
#include "libmythbase/mythlogging.h"
#include "libmythmetadata/videometadata.h"
#include "libmythtv/scheduledrecording.h"
 
// local headers
#include "backendutils.h"
 
static int RawSendEvent(const QStringList &eventStringList)
{
    if (eventStringList.isEmpty() || eventStringList[0].isEmpty())
        return GENERIC_EXIT_INVALID_CMDLINE;
 
    if (gCoreContext->ConnectToMasterServer(false, false))
    {
        QStringList message("MESSAGE");
        message << eventStringList;
        gCoreContext->SendReceiveStringList(message);
        return GENERIC_EXIT_OK;
    }
    return GENERIC_EXIT_CONNECT_ERROR;
}
 
static int ClearSettingsCache(const MythUtilCommandLineParser &/*cmdline*/)
{
    if (gCoreContext->ConnectToMasterServer(false, false))
    {
        gCoreContext->SendMessage("CLEAR_SETTINGS_CACHE");
        LOG(VB_GENERAL, LOG_INFO, "Sent CLEAR_SETTINGS_CACHE message");
        return GENERIC_EXIT_OK;
    }
 
    LOG(VB_GENERAL, LOG_ERR, "Unable to connect to backend, settings "
        "cache will not be cleared.");
    return GENERIC_EXIT_CONNECT_ERROR;
}
 
static int SendEvent(const MythUtilCommandLineParser &cmdline)
{
    return RawSendEvent(cmdline.toStringList("event"));
}
 
static int SendSystemEvent(const MythUtilCommandLineParser &cmdline)
{
    return RawSendEvent(QStringList(QString("SYSTEM_EVENT %1 SENDER %2")
                                    .arg(cmdline.toString("systemevent"),
                                         gCoreContext->GetHostName())));
}
 
static int Reschedule(const MythUtilCommandLineParser &/*cmdline*/)
{
    if (gCoreContext->ConnectToMasterServer(false, false))
    {
        ScheduledRecording::RescheduleMatch(0, 0, 0, QDateTime(),
                                            "MythUtilCommand");
        LOG(VB_GENERAL, LOG_INFO, "Reschedule command sent to master");
        return GENERIC_EXIT_OK;
    }
 
    LOG(VB_GENERAL, LOG_ERR, "Cannot connect to master for reschedule");
    return GENERIC_EXIT_CONNECT_ERROR;
}
 
static int ScanImages(const MythUtilCommandLineParser &/*cmdline*/)
{
    if (gCoreContext->ConnectToMasterServer(false, false))
    {
        gCoreContext->SendReceiveStringList(QStringList() << "IMAGE_SCAN");
        LOG(VB_GENERAL, LOG_INFO, "Requested image scan");
        return GENERIC_EXIT_OK;
    }
 
    LOG(VB_GENERAL, LOG_ERR, "Cannot connect to master for iamge scan");
    return GENERIC_EXIT_CONNECT_ERROR;
}
 
static int ScanVideos(const MythUtilCommandLineParser &/*cmdline*/)
{
    if (gCoreContext->ConnectToMasterServer(false, false))
    {
        gCoreContext->SendReceiveStringList(QStringList() << "SCAN_VIDEOS");
        LOG(VB_GENERAL, LOG_INFO, "Requested video scan");
        return GENERIC_EXIT_OK;
    }
 
    LOG(VB_GENERAL, LOG_ERR, "Cannot connect to master for video scan");
    return GENERIC_EXIT_CONNECT_ERROR;
}
 
static int ParseVideoFilename(const MythUtilCommandLineParser &cmdline)
{
    QString filename = cmdline.toString("parsevideo");
    std::cout << "Title:    " << VideoMetadata::FilenameToMeta(filename, 1)
                                            .toLocal8Bit().constData() << '\n'
         << "Season:   " << VideoMetadata::FilenameToMeta(filename, 2)
                                            .toLocal8Bit().constData() << '\n'
         << "Episode:  " << VideoMetadata::FilenameToMeta(filename, 3)
                                            .toLocal8Bit().constData() << '\n'
         << "Subtitle: " << VideoMetadata::FilenameToMeta(filename, 4)
                                            .toLocal8Bit().constData() << '\n';
 
    return GENERIC_EXIT_OK;
}
 
void registerBackendUtils(UtilMap &utilMap)
{
    utilMap["clearcache"]           = &ClearSettingsCache;
    utilMap["event"]                = &SendEvent;
    utilMap["resched"]              = &Reschedule;
    utilMap["scanimages"]           = &ScanImages;
    utilMap["scanvideos"]           = &ScanVideos;
    utilMap["systemevent"]          = &SendSystemEvent;
    utilMap["parsevideo"]           = &ParseVideoFilename;
}
 
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