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cantata/mpd-interface/mpdconnection.h
Craig Drummond b6bd94c236 Update (c) year
2022-01-08 21:24:07 +00:00

547 lines
18 KiB
C++

/*
* Cantata
*
* Copyright (c) 2011-2022 Craig Drummond <craig.p.drummond@gmail.com>
*
*/
/*
* Copyright (c) 2008 Sander Knopper (sander AT knopper DOT tk) and
* Roeland Douma (roeland AT rullzer DOT com)
*
* This file is part of QtMPC.
*
* QtMPC is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* QtMPC is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with QtMPC. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MPDCONNECTION_H
#define MPDCONNECTION_H
#include <QTcpSocket>
#include <QLocalSocket>
#include <QHostAddress>
#include <QNetworkProxy>
#include <QStringList>
#include <QQueue>
#include <QSet>
#include "mpdstats.h"
#include "mpdstatus.h"
#include "song.h"
#include "partition.h"
#include "output.h"
#include "playlist.h"
#include "stream.h"
#include "config.h"
#include "support/utils.h"
#include <time.h>
class QTimer;
class Thread;
class QPropertyAnimation;
class MpdSocket : public QObject
{
Q_OBJECT
public:
MpdSocket(QObject *parent);
~MpdSocket() override;
void connectToHost(const QString &hostName, quint16 port, QIODevice::OpenMode mode = QIODevice::ReadWrite);
void disconnectFromHost() {
if (tcp) {
tcp->disconnectFromHost();
} else if(local) {
local->disconnectFromServer();
}
}
void close() {
if (tcp) {
tcp->close();
} else if(local) {
local->close();
}
}
int write(const QByteArray &data) {
if (tcp) {
return tcp->write(data);
} else if(local) {
return local->write(data);
}
return 0;
}
void waitForBytesWritten(int msecs = 30000) {
if (tcp) {
tcp->waitForBytesWritten(msecs);
} else if(local) {
local->waitForBytesWritten(msecs);
}
}
bool waitForReadyRead(int msecs = 30000) {
return tcp ? tcp->waitForReadyRead(msecs)
: local
? local->waitForReadyRead(msecs)
: false;
}
bool waitForConnected(int msecs = 30000) {
return tcp ? tcp->waitForConnected(msecs)
: local
? local->waitForConnected(msecs)
: false;
}
qint64 bytesAvailable() {
return tcp ? tcp->bytesAvailable()
: local
? local->bytesAvailable()
: 0;
}
QByteArray readAll() {
return tcp ? tcp->readAll()
: local
? local->readAll()
: QByteArray();
}
QAbstractSocket::SocketState state() const {
return tcp ? tcp->state()
: local
? (QAbstractSocket::SocketState)local->state()
: QAbstractSocket::UnconnectedState;
}
QNetworkProxy::ProxyType proxyType() const { return tcp ? tcp->proxy().type() : QNetworkProxy::NoProxy; }
bool isLocal() const { return nullptr!=local; }
QString address() const { return tcp ? tcp->peerAddress().toString() : QString(); }
QString errorString() const { return tcp ? tcp->errorString() : local ? local->errorString() : QLatin1String("No socket object?"); }
QAbstractSocket::SocketError error() const {
return tcp ? tcp->error()
: local
? (QAbstractSocket::SocketError)local->error()
: QAbstractSocket::UnknownSocketError;
}
Q_SIGNALS:
void stateChanged(QAbstractSocket::SocketState state);
void readyRead();
private Q_SLOTS:
void localStateChanged(QLocalSocket::LocalSocketState state);
private:
void deleteTcp();
void deleteLocal();
private:
QTcpSocket *tcp;
QLocalSocket *local;
};
struct MPDConnectionDetails {
MPDConnectionDetails();
MPDConnectionDetails(const MPDConnectionDetails &o) { *this=o; }
QString getName() const;
QString description() const;
bool isLocal() const { return hostname.startsWith('/') /*|| hostname.startsWith('@')*/; }
bool isEmpty() const { return hostname.isEmpty() || (!isLocal() && 0==port); }
MPDConnectionDetails & operator=(const MPDConnectionDetails &o);
bool operator==(const MPDConnectionDetails &o) const { return hostname==o.hostname && isLocal()==o.isLocal() && (isLocal() || port==o.port) && password==o.password; }
bool operator!=(const MPDConnectionDetails &o) const { return !(*this==o); }
bool operator<(const MPDConnectionDetails &o) const { return Utils::compare(name, o.name)<0; }
static QString configGroupName(const QString &n=QString()) { return n.isEmpty() ? "Connection" : ("Connection-"+n); }
void setDirReadable();
QString name;
QString hostname;
quint16 port;
QString password;
QString partition;
QString dir;
bool dirReadable;
#ifdef ENABLE_HTTP_STREAM_PLAYBACK
QString streamUrl;
#endif
QString replayGain;
bool applyReplayGain;
bool allowLocalStreaming;
bool autoUpdate;
};
class MPDServerInfo {
public:
enum ServerType {
Undetermined,
Mpd,
Mopidy,
ForkedDaapd,
Unknown
};
MPDServerInfo() {
reset();
lsinfoCommand = "lsinfo \"mpd-client://cantata/";
lsinfoCommand += PACKAGE_VERSION_STRING;
lsinfoCommand += "\"";
};
void reset();
void detect();
ServerType getServerType() const { return serverType;}
bool isUndetermined() const { return serverType == Undetermined; }
bool isMpd() const { return serverType == Mpd; }
bool isMopidy() const { return serverType == Mopidy; }
bool isForkedDaapd() const { return serverType == ForkedDaapd; }
bool isPlayQueueIdValid() const { return serverType != ForkedDaapd; }
const QString &getServerName() const { return serverName;}
const QByteArray &getTopLevelLsinfo() const { return topLevelLsinfo; }
private:
void setServerType(ServerType newServerType) { serverType = newServerType; }
ServerType serverType;
QString serverName;
QByteArray topLevelLsinfo;
struct ResponseParameter {
QByteArray response;
bool isSubstring;
ServerType serverType;
QString name;
};
QByteArray lsinfoCommand;
static ResponseParameter lsinfoResponseParameters[];
};
class MPDConnection : public QObject
{
Q_OBJECT
Q_PROPERTY(int volume READ getVolume WRITE setVolume)
public:
enum AddAction
{
Append,
Replace,
ReplaceAndplay,
AppendAndPlay,
AddAndPlay,
AddAfterCurrent
};
enum VolumeFade
{
MinFade = 400,
MaxFade = 4000,
DefaultFade = MinFade // disable volume fade by default. prev:2000
};
static const QString constModifiedSince;
static const int constMaxPqChanges;
static const QString constStreamsPlayListName;
static const QString constPlaylistPrefix;
static const QString constDirPrefix;
static MPDConnection * self();
static QByteArray quote(int val);
static QByteArray encodeName(const QString &name);
struct Response {
Response(bool o=true, const QByteArray &d=QByteArray());
QString getError(const QByteArray &command);
bool ok;
QByteArray data;
};
static void enableDebug();
MPDConnection();
~MPDConnection() override;
void start();
const MPDConnectionDetails & getDetails() const { return details; }
void setDirReadable() { details.setDirReadable(); }
bool isConnected() const { return State_Connected==state; }
bool canUsePriority() const { return ver>=CANTATA_MAKE_VERSION(0, 17, 0) && isMpd(); }
bool canUsePartitions() const { return ver>=CANTATA_MAKE_VERSION(0, 22, 0) && isMpd(); }
const QSet<QString> & urlHandlers() const { return handlers; }
const QSet<QString> & tags() const { return tagTypes; }
bool composerTagSupported() const { return tagTypes.contains(QLatin1String("Composer")); }
bool commentTagSupported() const { return tagTypes.contains(QLatin1String("Comment")); }
bool performerTagSupported() const { return tagTypes.contains(QLatin1String("Performer")); }
bool originalDateTagSupported() const { return tagTypes.contains(QLatin1String("OriginalDate")); }
bool modifiedFindSupported() const { return ver>=CANTATA_MAKE_VERSION(0, 19, 0); }
bool replaygainSupported() const { return ver>=CANTATA_MAKE_VERSION(0, 16, 0); }
bool supportsCoverDownload() const { return ver>=CANTATA_MAKE_VERSION(0, 21, 0) && isMpd(); }
bool localFilePlaybackSupported() const;
bool stickersSupported() const { return canUseStickers; }
long version() const { return ver; }
static bool isPlaylist(const QString &file);
int unmuteVolume() { return unmuteVol; }
bool isMuted() { return -1!=unmuteVol; }
bool isMpd() const { return serverInfo.isMpd(); }
bool isMopidy() const { return serverInfo.isMopidy(); }
bool isForkedDaapd() const { return serverInfo.isForkedDaapd(); }
bool isPlayQueueIdValid() const { return serverInfo.isPlayQueueIdValid(); }
void setVolumeFadeDuration(int f) { fadeDuration=f; }
QString ipAddress() const { return details.isLocal() ? QString() : sock.address(); }
public Q_SLOTS:
void stop();
void reconnect();
void setDetails(const MPDConnectionDetails &d);
// void disconnectMpd();
// Current Playlist
void add(const QStringList &files, int action, quint8 priority, bool decreasePriority);
void add(const QStringList &files, quint32 pos, quint32 size, int action, quint8 priority, bool decreasePriority);
void add(const QStringList &files, quint32 pos, quint32 size, int action, const QList<quint8> &priority);
void add(const QStringList &files, quint32 pos, quint32 size, int action, QList<quint8> priority, bool decreasePriority);
void populate(const QStringList &files, const QList<quint8> &priority);
void addAndPlay(const QString &file);
void currentSong();
void playListChanges();
void playListInfo();
void removeSongs(const QList<qint32> &items);
void move(quint32 from, quint32 to);
void move(const QList<quint32> &items, quint32 pos, quint32 size);
void setOrder(const QList<quint32> &items);
void shuffle(quint32 from, quint32 to);
void clear();
void shuffle();
// Playback
void setCrossFade(int secs);
void setReplayGain(const QString &v);
void getReplayGain();
void goToNext();
void setPause(bool toggle);
void play();
void startPlayingSong(quint32 song = 0);
void startPlayingSongId(qint32 songId = 0);
void goToPrevious();
void setConsume(bool toggle);
void setRandom(bool toggle);
void setRepeat(bool toggle);
void setSingle(bool toggle);
void setSeek(quint32 song, quint32 time);
void setSeekId(qint32 songId, quint32 time);
void setVolume(int vol);
void toggleMute();
void stopPlaying(bool afterCurrent=false);
void clearStopAfter();
// Partition
void listPartitions();
void changePartition(QString name);
void newPartition(QString name);
void delPartition(QString name);
// Output
void outputs();
void enableOutput(quint32 id, bool enable);
void moveOutput(QString name);
// Miscellaneous
void getStats();
void getStatus();
void getUrlHandlers();
void getTagTypes();
void getCover(const Song &song);
// Database
void loadLibrary();
void listFolder(const QString &folder);
// Admin
void updateMaybe();
void update();
// Playlists
// void listPlaylist(const QString &name);
void listPlaylists();
void playlistInfo(const QString &name);
void loadPlaylist(const QString &name, bool replace);
void renamePlaylist(const QString oldName, const QString newName);
void removePlaylist(const QString &name);
void savePlaylist(const QString &name, bool overwrite);
void addToPlaylist(const QString &name, const QStringList &songs) { addToPlaylist(name, songs, 0, 0); }
void addToPlaylist(const QString &name, const QStringList &songs, quint32 pos, quint32 size);
void removeFromPlaylist(const QString &name, const QList<quint32> &positions);
void moveInPlaylist(const QString &name, const QList<quint32> &items, quint32 row, quint32 size);
void setPriority(const QList<qint32> &ids, quint8 priority, bool decreasePriority);
void search(const QString &field, const QString &value, int id);
void search(const QByteArray &query, const QString &id);
void listStreams();
void saveStream(const QString &url, const QString &name);
void removeStreams(const QList<quint32> &positions);
void editStream(const QString &url, const QString &name, quint32 position);
void sendClientMessage(const QString &channel, const QString &msg, const QString &clientName);
void sendDynamicMessage(const QStringList &msg);
int getVolume();
void setRating(const QString &file, quint8 val);
void setRating(const QStringList &files, quint8 val);
void getRating(const QString &file);
void seek(qint32 offset=0);
Q_SIGNALS:
void connectionChanged(const MPDConnectionDetails &details);
void connectionNotChanged(const QString &name);
void stateChanged(bool connected);
void passwordError();
void currentSongUpdated(const Song &song);
void playlistUpdated(const QList<Song> &songs, bool isComplete);
void statsUpdated(const MPDStatsValues &stats);
void statusUpdated(const MPDStatusValues &status);
void partitionsUpdated(const QList<Partition> &partitions);
void outputsUpdated(const QList<Output> &outputs);
void librarySongs(QList<Song> *songs);
void folderContents(const QString &folder, const QStringList &subFolders, const QList<Song> &songs);
void playlistsRetrieved(const QList<Playlist> &data);
void playlistInfoRetrieved(const QString &name, const QList<Song> &songs);
void playlistRenamed(const QString &from, const QString &to);
void removedFromPlaylist(const QString &name, const QList<quint32> &positions);
void movedInPlaylist(const QString &name, const QList<quint32> &items, quint32 pos);
void updatingDatabase();
void updatedDatabase();
void playlistLoaded(const QString &playlist);
void added(const QStringList &files);
void replayGain(const QString &);
void updatingLibrary(time_t dbUpdate);
void updatedLibrary();
void updatingFileList();
void updatedFileList();
void error(const QString &err, bool showActions=false);
void info(const QString &msg);
void dirChanged();
void prioritySet(const QMap<qint32, quint8> &tracks);
void stopAfterCurrentChanged(bool afterCurrent);
void streamUrl(const QString &url);
void searchResponse(int id, const QList<Song> &songs);
void searchResponse(const QString &id, const QList<Song> &songs);
void socketAddress(const QString &addr);
void cantataStreams(const QStringList &files);
void cantataStreams(const QList<Song> &songs, bool isUpdate);
void removedIds(const QSet<qint32> &ids);
void savedStream(const QString &url, const QString &name);
void removedStreams(const QList<quint32> &removed);
void editedStream(const QString &url, const QString &name, quint32 position);
void streamList(const QList<Stream> &streams);
void clientMessageFailed(const QString &client, const QString &msg);
void dynamicSupport(bool e);
void dynamicResponse(const QStringList &resp);
void rating(const QString &file, quint8 val);
void stickerDbChanged();
void ifaceIp(const QString &addr);
void albumArt(const Song &song, const QByteArray &data);
private Q_SLOTS:
void idleDataReady();
void onSocketStateChanged(QAbstractSocket::SocketState socketState);
private:
enum ConnectionReturn
{
Success,
Failed,
ProxyError,
IncorrectPassword
};
static ConnectionReturn convertSocketCode(MpdSocket &socket);
QString errorString(ConnectionReturn status) const;
ConnectionReturn connectToMPD();
void disconnectFromMPD();
ConnectionReturn connectToMPD(MpdSocket &socket, bool enableIdle=false);
Response sendCommand(const QByteArray &command, bool emitErrors=true, bool retry=true);
void initialize();
void parseIdleReturn(const QByteArray &data);
bool doMoveInPlaylist(const QString &name, const QList<quint32> &items, quint32 pos, quint32 size);
void toggleStopAfterCurrent(bool afterCurrent);
bool recursivelyListDir(const QString &dir, QList<Song> &songs);
QStringList getPlaylistFiles(const QString &name);
QStringList getAllFiles(const QString &dir);
bool checkRemoteDynamicSupport();
bool subscribe(const QByteArray &channel);
void setupRemoteDynamic();
void readRemoteDynamicMessages();
bool fadingVolume();
bool startVolumeFade();
void stopVolumeFade();
void emitStatusUpdated(MPDStatusValues &v);
void clearError();
void getRatings(QList<Song> &songs);
void getStickerSupport();
void playFirstTrack(bool emitErrors);
void determineIfaceIp();
private:
bool isInitialConnect;
Thread *thread;
long ver;
QSet<QString> handlers;
QSet<QString> tagTypes;
bool canUseStickers;
MPDConnectionDetails details;
time_t dbUpdate;
// Use 2 sockets, 1 for commands and 1 to receive MPD idle events.
// Cant use 1, as we could write a command just as an idle event is ready to read
MpdSocket sock;
MpdSocket idleSocket;
QTimer *connTimer;
QByteArray dynamicId;
QQueue<QByteArray> idleSocketCommandQueue;
// The three items are used so that we can do quick playqueue updates...
QList<qint32> playQueueIds;
QSet<qint32> streamIds;
quint32 lastStatusPlayQueueVersion;
quint32 lastUpdatePlayQueueVersion;
enum State
{
State_Blank,
State_Connected,
State_Disconnected
};
State state;
bool isListingMusic;
QTimer *reconnectTimer;
time_t reconnectStart;
bool stopAfterCurrent;
qint32 currentSongId;
quint32 songPos; // USe for stop-after-current when we only have 1 songin playqueue!
int unmuteVol;
friend class MPDServerInfo;
MPDServerInfo serverInfo;
bool isUpdatingDb;
QPropertyAnimation *volumeFade;
int fadeDuration;
int restoreVolume;
};
#endif