diff options
Diffstat (limited to 'mediaplayer/MediaplayerMpdBackend.cpp')
| -rw-r--r-- | mediaplayer/MediaplayerMpdBackend.cpp | 82 |
1 files changed, 52 insertions, 30 deletions
diff --git a/mediaplayer/MediaplayerMpdBackend.cpp b/mediaplayer/MediaplayerMpdBackend.cpp index 5cc9dce..8ffb346 100644 --- a/mediaplayer/MediaplayerMpdBackend.cpp +++ b/mediaplayer/MediaplayerMpdBackend.cpp @@ -19,14 +19,15 @@ #include "MpdEventHandler.h" #include "mediaplayer.h" -// Use a 60s timeout on our MPD connection +// Use a 30s timeout on our MPD connection // NOTE: The connection is actively poked at a higher frequency than // this to ensure we don't hit the timeout. The alternatives // are to either open and close a connection for every command, // or try to keep the connection in idle mode when not using it. // The latter is deemed too complicated for our purposes for now, // due to it likely requiring another thread. -#define MPD_CONNECTION_TIMEOUT 60000 +#define MPD_CONNECTION_TIMEOUT 30000 +#define MPD_KEEPALIVE_TIMEOUT 5000 MediaplayerMpdBackend::MediaplayerMpdBackend(Mediaplayer *player, QQmlContext *context, QObject *parent) : MediaplayerBackend(player, parent) @@ -43,7 +44,7 @@ MediaplayerMpdBackend::MediaplayerMpdBackend(Mediaplayer *player, QQmlContext *c // Set up connection keepalive timer m_mpd_conn_timer = new QTimer(this); connect(m_mpd_conn_timer, &QTimer::timeout, this, &MediaplayerMpdBackend::connectionKeepaliveTimeout); - m_mpd_conn_timer->start(MPD_CONNECTION_TIMEOUT / 2); + m_mpd_conn_timer->start(MPD_KEEPALIVE_TIMEOUT); m_song_pos_timer = new QTimer(this); connect(m_song_pos_timer, &QTimer::timeout, this, &MediaplayerMpdBackend::songPositionTimeout); @@ -57,6 +58,7 @@ MediaplayerMpdBackend::MediaplayerMpdBackend(Mediaplayer *player, QQmlContext *c // Create thread to handle polling for MPD events MpdEventHandler *handler = new MpdEventHandler(); handler->moveToThread(&m_handlerThread); + connect(&m_handlerThread, &QThread::finished, this, &MediaplayerMpdBackend::handleHandlerFinish); connect(&m_handlerThread, &QThread::finished, handler, &QObject::deleteLater); connect(this, &MediaplayerMpdBackend::startHandler, @@ -169,25 +171,37 @@ void MediaplayerMpdBackend::connectionKeepaliveTimeout(void) m_mpd_conn_mutex.lock(); // Clear any lingering non-fatal errors - if (!mpd_connection_clear_error(m_mpd_conn)) { + if (m_mpd_conn && !mpd_connection_clear_error(m_mpd_conn)) { // NOTE: There should likely be an attempt to reconnect here, // but it definitely would complicate things for all the // other users. qWarning() << "MPD connection in error state!"; - m_mpd_conn_mutex.unlock(); - return; + mpd_connection_free(m_mpd_conn); + m_mpd_conn = NULL; + m_mpd_conn_timer->stop(); } + m_mpd_conn_mutex.unlock(); +} - struct mpd_status *status = mpd_run_status(m_mpd_conn); - if (!status) { - qWarning() << "MPD connection status check failed"; - } else { - mpd_status_free(status); - } +void MediaplayerMpdBackend::handleHandlerFinish(void) +{ + m_mpd_conn_mutex.lock(); + + // If the event thread finished, our connection is likely dead. + // Given the behavior seen when mpd is hung is most client API + // calls hang, trying to determine mpd liveliness here seems + // problematic. Attempting to reconnect would probably be the + // only robust solution. + mpd_connection_free(m_mpd_conn); + m_mpd_conn = NULL; m_mpd_conn_mutex.unlock(); + + m_mpd_conn_timer->stop(); + delete m_mpd_conn_timer; } + void MediaplayerMpdBackend::songPositionTimeout(void) { m_state_mutex.lock(); @@ -271,7 +285,7 @@ void MediaplayerMpdBackend::play() m_mpd_conn_mutex.lock(); m_state_mutex.lock(); - if (!m_playing) { + if (m_mpd_conn && !m_playing) { mpd_run_play(m_mpd_conn); } m_state_mutex.unlock(); @@ -284,7 +298,7 @@ void MediaplayerMpdBackend::pause() m_mpd_conn_mutex.lock(); m_state_mutex.lock(); - if (m_playing) { + if (m_mpd_conn && m_playing) { mpd_run_pause(m_mpd_conn, true); } m_state_mutex.unlock(); @@ -298,7 +312,7 @@ void MediaplayerMpdBackend::previous() // MPD only allows next/previous if playing m_state_mutex.lock(); - if (m_playing) { + if (m_mpd_conn && m_playing) { mpd_run_previous(m_mpd_conn); } m_state_mutex.unlock(); @@ -312,7 +326,7 @@ void MediaplayerMpdBackend::next() // MPD only allows next/previous if playing m_state_mutex.lock(); - if (m_playing) { + if (m_mpd_conn && m_playing) { mpd_run_next(m_mpd_conn); } m_state_mutex.unlock(); @@ -324,9 +338,11 @@ void MediaplayerMpdBackend::seek(int milliseconds) { m_mpd_conn_mutex.lock(); - float t = milliseconds; - t /= 1000.0; - mpd_run_seek_current(m_mpd_conn, t, false); + if (m_mpd_conn) { + float t = milliseconds; + t /= 1000.0; + mpd_run_seek_current(m_mpd_conn, t, false); + } m_mpd_conn_mutex.unlock(); } @@ -336,9 +352,11 @@ void MediaplayerMpdBackend::fastforward(int milliseconds) { m_mpd_conn_mutex.lock(); - float t = milliseconds; - t /= 1000.0; - mpd_run_seek_current(m_mpd_conn, t, true); + if (m_mpd_conn) { + float t = milliseconds; + t /= 1000.0; + mpd_run_seek_current(m_mpd_conn, t, true); + } m_mpd_conn_mutex.unlock(); } @@ -348,9 +366,11 @@ void MediaplayerMpdBackend::rewind(int milliseconds) { m_mpd_conn_mutex.lock(); - float t = -milliseconds; - t /= 1000.0; - mpd_run_seek_current(m_mpd_conn, t, true); + if (m_mpd_conn) { + float t = -milliseconds; + t /= 1000.0; + mpd_run_seek_current(m_mpd_conn, t, true); + } m_mpd_conn_mutex.unlock(); } @@ -359,7 +379,7 @@ void MediaplayerMpdBackend::picktrack(int track) { m_mpd_conn_mutex.lock(); - if (track >= 0) { + if (m_mpd_conn && track >= 0) { mpd_run_play_pos(m_mpd_conn, track); } @@ -383,10 +403,12 @@ void MediaplayerMpdBackend::loop(QString state) // mpd_run_single_state(m_mpd_conn, MPD_SINGLE_OFF) (default) // mpd_run_repeat(m_mpd_conn, true) to loop - if (state == "playlist") { - mpd_run_repeat(m_mpd_conn, true); - } else { - mpd_run_repeat(m_mpd_conn, false); + if (m_mpd_conn) { + if (state == "playlist") { + mpd_run_repeat(m_mpd_conn, true); + } else { + mpd_run_repeat(m_mpd_conn, false); + } } m_mpd_conn_mutex.unlock(); |