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Code Issues Releases Wiki Activity

use ReadWriteLock instead of Mutex

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This commit is contained in:
Stefan Derkits
2013-03-23 20:53:42 +01:00
parent 2782832204
commit 086a387f54
1 changed files with 16 additions and 16 deletions
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32
src/libtomahawk/playlist/dynamic/echonest/EchonestGenerator.cpp
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@@ -29,7 +29,7 @@
#include "SourceList.h"
#include <QFile>
#include <QDir>
#include <QMutex>
#include <QReadWriteLock>
#include <EchonestCatalogSynchronizer.h>
using namespace Tomahawk;
@@ -42,9 +42,9 @@ QNetworkReply* EchonestGenerator::s_moodsJob = 0;
QNetworkReply* EchonestGenerator::s_stylesJob = 0;
QNetworkReply* EchonestGenerator::s_genresJob = 0;
static QMutex s_moods_mutex;
static QMutex s_styles_mutex;
static QMutex s_genres_mutex;
static QReadWriteLock s_moods_lock;
static QReadWriteLock s_styles_lock;
static QReadWriteLock s_genres_lock;
CatalogManager* EchonestGenerator::s_catalogs = 0;
@@ -631,17 +631,17 @@ EchonestGenerator::loadStyles()
{
if ( s_styles.isEmpty() )
{
if ( s_styles_mutex.tryLock() )
if ( s_styles_lock.tryLockForRead() )
{
s_styles_mutex.unlock();
QVariant styles = TomahawkUtils::Cache::instance()->getData( "EchonesGenerator", "styles" );
s_styles_lock.unlock();
if ( styles.isValid() && styles.canConvert< QStringList >() )
{
s_styles = styles.toStringList();
}
else
{
s_styles_mutex.lock();
s_styles_lock.lockForWrite();
tLog() << "Styles not in cache or too old, refetching styles ...";
s_stylesJob = Echonest::Artist::listTerms( "style" );
connect( s_stylesJob, SIGNAL( finished() ), this, SLOT( stylesReceived() ) );
@@ -659,16 +659,16 @@ EchonestGenerator::loadMoods()
{
if ( s_moods.isEmpty() )
{
if ( s_moods_mutex.tryLock() )
if ( s_moods_lock.tryLockForRead() )
{
s_moods_mutex.unlock();
QVariant moods = TomahawkUtils::Cache::instance()->getData( "EchonesGenerator", "moods" );
s_moods_lock.unlock();
if ( moods.isValid() && moods.canConvert< QStringList >() ) {
s_moods = moods.toStringList();
}
else
{
s_moods_mutex.lock();
s_moods_lock.lockForWrite();
tLog() << "Moods not in cache or too old, refetching moods ...";
s_moodsJob = Echonest::Artist::listTerms( "mood" );
connect( s_moodsJob, SIGNAL( finished() ), this, SLOT( moodsReceived() ) );
@@ -686,17 +686,17 @@ EchonestGenerator::loadGenres()
{
if ( s_genres.isEmpty() )
{
if ( s_genres_mutex.tryLock() )
if ( s_genres_lock.tryLockForRead() )
{
s_genres_mutex.unlock();
QVariant genres = TomahawkUtils::Cache::instance()->getData( "EchonesGenerator", "genres" );
s_genres_lock.unlock();
if ( genres.isValid() && genres.canConvert< QStringList >() )
{
s_genres = genres.toStringList();
}
else
{
s_genres_mutex.lock();
s_genres_lock.lockForWrite();
tLog() << "Genres not in cache or too old, refetching genres ...";
s_genresJob = Echonest::Artist::fetchGenres();
connect( s_genresJob, SIGNAL( finished() ), this, SLOT( genresReceived() ) );
@@ -733,7 +733,7 @@ EchonestGenerator::moodsReceived()
s_moodsJob = 0;
TomahawkUtils::Cache::instance()->putData( "EchonesGenerator", 1209600000 /* 2 weeks */, "moods", QVariant::fromValue< QStringList >( s_moods ) );
s_moods_mutex.unlock();
s_moods_lock.unlock();
emit moodsSaved();
}
@@ -762,7 +762,7 @@ EchonestGenerator::stylesReceived()
s_stylesJob = 0;
TomahawkUtils::Cache::instance()->putData( "EchonesGenerator", 1209600000 /* 2 weeks */, "styles", QVariant::fromValue< QStringList >( s_styles ) );
s_styles_mutex.unlock();
s_styles_lock.unlock();
emit stylesSaved();
}
@@ -789,6 +789,6 @@ EchonestGenerator::genresReceived()
s_genresJob = 0;
TomahawkUtils::Cache::instance()->putData( "EchonesGenerator", 1209600000 /* 2 weeks */, "genres", QVariant::fromValue< QStringList >( s_genres ) );
s_genres_mutex.unlock();
s_genres_lock.unlock();
emit genresSaved();
}