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#include <memory>
#include <sstream>
#include <vector>
#include "exception.h"
#include "timers.h"
#include "tools.h"
static bool operator<( cTimer const& left, cTimer const& right )
{
return left.Compare( right ) < 0;
}
namespace vdrlive {
using namespace std;
using namespace vdrlive;
SortedTimers::SortedTimers():
m_state( 0 )
{
ReloadTimers( true );
}
string SortedTimers::GetTimerId( cTimer const& timer )
{
ostringstream builder;
builder << *timer.Channel()->GetChannelID().ToString() << ":" << timer.WeekDays() << ":"
<< timer.Day() << ":" << timer.Start() << ":" << timer.Stop();
return builder.str();
}
cTimer* SortedTimers::GetByTimerId( string const& timerid )
{
vector< string > parts = StringSplit( timerid, ':' );
if ( parts.size() < 5 ) {
esyslog("GetByTimerId: invalid format %s", timerid.c_str() );
return 0;
}
cChannel* channel = Channels.GetByChannelID( tChannelID::FromString( parts[0].c_str() ) );
if ( channel == 0 ) {
esyslog("GetByTimerId: no channel %s", parts[0].c_str() );
return 0;
}
try {
int weekdays = lexical_cast< int >( parts[1] );
time_t day = lexical_cast< time_t >( parts[2] );
int start = lexical_cast< int >( parts[3] );
int stop = lexical_cast< int >( parts[4] );
for ( SortedTimers::iterator timer = begin(); timer != end(); ++timer ) {
if ( timer->Channel() == channel &&
( ( weekdays != 0 && timer->WeekDays() == weekdays ) || ( weekdays == 0 && timer->Day() == day ) ) &&
timer->Start() == start && timer->Stop() == stop )
return &*timer;
}
} catch ( bad_lexical_cast const& ex ) {
esyslog("GetByTimer: bad cast");
}
return 0;
}
void SortedTimers::ReloadTimers( bool initial )
{
dsyslog("live reloading timers");
clear();
for ( cTimer* timer = Timers.First(); timer != 0; timer = Timers.Next( timer ) ) {
push_back( *timer );
}
sort();
}
TimerManager::TimerManager()
{
}
void TimerManager::UpdateTimer( cTimer* timer, int flags, tChannelID& channel, string const& weekdays, string const& day,
int start, int stop, int priority, int lifetime, string const& title, string const& aux )
{
ostringstream builder;
builder << flags << ":" << *channel.ToString() << ":" << ( weekdays != "-------" ? weekdays : "" )
<< ( weekdays == "-------" || day.empty() ? "" : "@" ) << day << ":" << start << ":" << stop << ":"
<< priority << ":" << lifetime << ":" << title << ":" << aux;
dsyslog("%s", builder.str().c_str());
TimerPair timerData( timer, builder.str() );
dsyslog("SV: in UpdateTimer");
m_updateTimers.push_back( timerData );
dsyslog("SV: wait for update");
m_updateWait.Wait( *this );
dsyslog("SV: update done");
string error = GetError( timerData );
if ( !error.empty() )
throw HtmlError( error );
}
void TimerManager::DoPendingWork()
{
if ( m_updateTimers.size() == 0 && !m_timers.Modified() )
return;
cMutexLock lock( this );
if ( m_updateTimers.size() > 0 ) {
DoUpdateTimers();
dsyslog("SV: signalling waiters");
m_updateWait.Broadcast();
}
m_timers.ReloadTimers();
}
void TimerManager::DoUpdateTimers()
{
dsyslog("SV: updating timers");
for ( TimerList::iterator timer = m_updateTimers.begin(); timer != m_updateTimers.end(); ++timer ) {
if ( timer->first == 0 ) // new timer
DoInsertTimer( *timer );
else if ( timer->second == "" ) // delete timer
; // XXX
else // update timer
DoUpdateTimer( *timer );
}
m_updateTimers.clear();
}
void TimerManager::DoInsertTimer( TimerPair& timerData )
{
auto_ptr< cTimer > newTimer( new cTimer );
if ( !newTimer->Parse( timerData.second.c_str() ) ) {
StoreError( timerData, tr("Error in timer settings") );
return;
}
cTimer* checkTimer = Timers.GetTimer( newTimer.get() );
if ( checkTimer != 0 ) {
StoreError( timerData, tr("Timer already defined") );
return;
}
Timers.Add( newTimer.get() );
Timers.SetModified();
isyslog( "live timer %s added", *newTimer->ToDescr() );
newTimer.release();
}
void TimerManager::DoUpdateTimer( TimerPair& timerData )
{
if ( Timers.BeingEdited() ) {
StoreError( timerData, tr("Timers are being edited - try again later") );
return;
}
cTimer* oldTimer = Timers.GetTimer( timerData.first );
if ( oldTimer == 0 ) {
StoreError( timerData, tr("Timer not defined") );
return;
}
cTimer copy = *oldTimer;
if ( !copy.Parse( timerData.second.c_str() ) ) {
StoreError( timerData, tr("Error in timer settings") );
return;
}
*oldTimer = copy;
Timers.SetModified();
isyslog("live timer %s modified (%s)", *oldTimer->ToDescr(), oldTimer->HasFlags(tfActive) ? "active" : "inactive");
}
void TimerManager::StoreError( TimerPair const& timerData, std::string const& error )
{
m_failedUpdates.push_back( ErrorPair( timerData, error ) );
}
string TimerManager::GetError( TimerPair const& timerData )
{
for ( ErrorList::iterator error = m_failedUpdates.begin(); error != m_failedUpdates.end(); ++error ) {
if ( error->first == timerData ) {
string message = error->second;
m_failedUpdates.erase( error );
return message;
}
}
return "";
}
TimerManager& LiveTimerManager()
{
static TimerManager instance;
return instance;
}
} // namespace vdrlive
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