signalmonitorvalue.cpp

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#include <algorithm>
#include <utility>

using namespace std;

#include "signalmonitorvalue.h"
#include "mythlogging.h"

bool SignalMonitorValue::run_static_init = true;
QStringList SignalMonitorValue::ERROR_NO_CHANNEL;
QStringList SignalMonitorValue::ERROR_NO_LINK;
QStringList SignalMonitorValue::SIGNAL_LOCK;

#define DEBUG_SIGNAL_MONITOR_VALUE 1

void SignalMonitorValue::Init()
{
    if (run_static_init)
    {
        run_static_init = false;
        ERROR_NO_CHANNEL<<"error"<<tr("Could not open tuner device");
        ERROR_NO_LINK<<"error"<<tr("Bad connection to backend");

        SignalMonitorValue slock(
            QCoreApplication::translate("(Common)", "Signal Lock"),
                "slock", 0, true, 0, 1, 0);
        slock.SetValue(1);
        SIGNAL_LOCK<<slock.GetName()<<slock.GetStatus();
    }
}

SignalMonitorValue::SignalMonitorValue(QString _name,
                                       QString _noSpaceName,
                                       int _threshold,
                                       bool _high_threshold,
                                       int _min, int _max,
                                       int _timeout) :
    m_name(std::move(_name)),
    m_noSpaceName(std::move(_noSpaceName)),
    m_value(0),
    m_threshold(_threshold),
    m_minVal(_min), m_maxVal(_max), m_timeout(_timeout),
    m_highThreshold(_high_threshold)
{
    Init();
#if DEBUG_SIGNAL_MONITOR_VALUE
    LOG(VB_GENERAL, LOG_DEBUG,
        QString("SignalMonitorValue(%1, %2, %3, %4, %5, %6, %7, %8, %9)")
            .arg(m_name) .arg(m_noSpaceName) .arg(m_value) .arg(m_threshold)
            .arg(m_minVal) .arg(m_maxVal) .arg(m_timeout) .arg(m_highThreshold)
            .arg((m_set ? "true" : "false")));
#endif
}

SignalMonitorValue::SignalMonitorValue(QString _name,
                                       QString _noSpaceName,
                                       int _value, int _threshold,
                                       bool _high_threshold,
                                       int _min, int _max,
                                       int _timeout, bool _set) :
    m_name(std::move(_name)),
    m_noSpaceName(std::move(_noSpaceName)),
    m_value(_value),
    m_threshold(_threshold),
    m_minVal(_min), m_maxVal(_max), m_timeout(_timeout),
    m_highThreshold(_high_threshold), m_set(_set)
{
    Init();
#if DEBUG_SIGNAL_MONITOR_VALUE
    LOG(VB_GENERAL, LOG_DEBUG,
        QString("SignalMonitorValue(%1, %2, %3, %4, %5, %6, %7, %8, %9)")
            .arg(m_name) .arg(m_noSpaceName) .arg(m_value) .arg(m_threshold)
            .arg(m_minVal) .arg(m_maxVal) .arg(m_timeout) .arg(m_highThreshold)
            .arg((m_set ? "true" : "false")));
#endif
}

QString SignalMonitorValue::GetName(void) const
{
    if (m_name.isNull())
        return QString();

    return m_name;
}

QString SignalMonitorValue::GetShortName(void) const
{
    if (m_noSpaceName.isNull())
        return QString();

    return m_noSpaceName;
}

bool SignalMonitorValue::Set(const QString& _name, const QString& _longString)
{
    m_name = _name;
    const QString& longString = _longString;

    if (m_name.isEmpty() || longString.isEmpty())
        return false;

    if (("message" == m_name) || ("error" == m_name))
    {
        SetRange(0, 1);
        SetValue(0);
        SetThreshold( ("message" == m_name) ? 0 : 1, true );
        SetTimeout( ("message" == m_name) ? 0 : -1 );
        m_noSpaceName = m_name;
        m_name = longString;

        return true;
    }

    QStringList vals = longString.split(" ", QString::SkipEmptyParts);

    if (8 != vals.size() || "(null)" == vals[0])
        return false;

    m_noSpaceName = vals[0];
    SetRange(vals[3].toInt(), vals[4].toInt());
    SetValue(vals[1].toInt());
    SetThreshold(vals[2].toInt(), (bool) vals[6].toInt());
    SetTimeout(vals[5].toInt());

    m_set = (bool) vals[7].toInt();
    return true;
}

SignalMonitorValue* SignalMonitorValue::Create(const QString& _name,
                                               const QString& _longString)
{
    auto *smv = new SignalMonitorValue();
    if (!smv->Set(_name, _longString))
    {
        delete smv;
        return nullptr;
    }
    return smv;
}

SignalMonitorList SignalMonitorValue::Parse(const QStringList& slist)
{
    SignalMonitorValue smv;
    SignalMonitorList monitor_list;
    for (int i=0; i+1<slist.size(); i+=2)
    {
#if DEBUG_SIGNAL_MONITOR_VALUE
        LOG(VB_GENERAL, LOG_DEBUG,
            "Parse(" + slist[i] + ", (" + slist[i+1] + "))");
#endif
        if (smv.Set(slist[i], slist[i+1]))
            monitor_list.push_back(smv);
        else
        {
            LOG(VB_GENERAL, LOG_ERR,
                QString("SignalMonitorValue::Parse(): Error, "
                        "unable to parse (%1, (%2))")
                    .arg(slist[i]).arg(slist[i+1]));
        }
    }
    return monitor_list;
}

bool SignalMonitorValue::AllGood(const SignalMonitorList& slist)
{
    bool good = true;
    auto it = slist.cbegin();
    for (; it != slist.cend(); ++it)
        good &= it->IsGood();
#if DEBUG_SIGNAL_MONITOR_VALUE
    if (!good)
    {
        QString msg("AllGood failed on ");
        it = slist.begin();
        for (; it != slist.end(); ++it)
            if (!it->IsGood())
            {
                msg += it->m_noSpaceName;
                msg += QString("(%1%2%3) ")
                           .arg(it->GetValue())
                           .arg(it->m_highThreshold ? "<" : ">")
                           .arg(it->GetThreshold());
            }
        LOG(VB_GENERAL, LOG_DEBUG, msg);
    }
#endif
    return good;
}

int SignalMonitorValue::MaxWait(const SignalMonitorList& slist)
{
    int wait = 0, minWait = 0;
    auto it = slist.cbegin();
    for (; it != slist.cend(); ++it)
    {
        wait = max(wait, it->GetTimeout());
        minWait = min(minWait, it->GetTimeout());
    }
    return (minWait<0) ? -1 : wait;
}