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/*
* Copyright (c) 2017-2020 Livio, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following
* disclaimer in the documentation and/or other materials provided with the
* distribution.
*
* Neither the name of the Livio Inc. nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package com.smartdevicelink.session;
import android.content.Context;
import androidx.annotation.RestrictTo;
import com.smartdevicelink.exception.SdlException;
import com.smartdevicelink.protocol.ISdlServiceListener;
import com.smartdevicelink.protocol.SdlPacket;
import com.smartdevicelink.protocol.SdlProtocol;
import com.smartdevicelink.protocol.SdlProtocolBase;
import com.smartdevicelink.protocol.enums.SessionType;
import com.smartdevicelink.transport.MultiplexTransportConfig;
import com.smartdevicelink.transport.TCPTransportConfig;
import com.smartdevicelink.transport.enums.TransportType;
import com.smartdevicelink.util.DebugTool;
import com.smartdevicelink.util.MediaStreamingStatus;
import com.smartdevicelink.util.Version;
import java.lang.ref.WeakReference;
import java.util.concurrent.CopyOnWriteArrayList;
@RestrictTo(RestrictTo.Scope.LIBRARY)
public class SdlSession extends BaseSdlSession {
private static final String TAG = "SdlSession";
WeakReference<Context> contextWeakReference;
MediaStreamingStatus mediaStreamingStatus;
boolean requiresAudioSupport = false;
public SdlSession(ISdlSessionListener listener, MultiplexTransportConfig config) {
super(listener, config);
if (config != null) {
contextWeakReference = new WeakReference<>(config.getContext());
this.requiresAudioSupport = Boolean.TRUE.equals(config.requiresAudioSupport()); //handle null case
}
this.sessionListener = listener;
}
public SdlSession(ISdlSessionListener listener, TCPTransportConfig config) {
super(listener, config);
this.sessionListener = listener;
}
protected SdlProtocolBase getSdlProtocolImplementation() {
if (transportConfig instanceof MultiplexTransportConfig) {
return new SdlProtocol(this, (MultiplexTransportConfig) transportConfig);
} else if (transportConfig instanceof TCPTransportConfig) {
return new SdlProtocol(this, (TCPTransportConfig) transportConfig);
}
return null;
}
boolean isAudioRequirementMet() {
if (mediaStreamingStatus == null && contextWeakReference != null && contextWeakReference.get() != null) {
mediaStreamingStatus = new MediaStreamingStatus(contextWeakReference.get(), new MediaStreamingStatus.Callback() {
@Override
public void onAudioNoLongerAvailable() {
close();
shutdown("Audio output no longer available");
}
});
}
// If requiresAudioSupport is false, or a supported audio output device is available
return !requiresAudioSupport || (mediaStreamingStatus != null && mediaStreamingStatus.isAudioOutputAvailable());
}
@SuppressWarnings("RedundantThrows")
@Override
public void startSession() throws SdlException {
if (!isAudioRequirementMet()) {
shutdown("Audio output not available");
return;
}
sdlProtocol.start();
}
@Override
public TransportType getCurrentTransportType() {
return TransportType.MULTIPLEX;
}
@Override
public void shutdown(String info) {
DebugTool.logInfo(TAG, "Shutdown - " + info);
if (mediaStreamingStatus != null) {
mediaStreamingStatus.clear();
}
super.shutdown(info);
}
/**
* Get the current protocol version used by this session
*
* @return Version that represents the Protocol version being used
*/
@Override
public Version getProtocolVersion() {
if (sdlProtocol != null) {
return sdlProtocol.getProtocolVersion();
}
return new Version(1, 0, 0);
}
/* ***********************************************************************************************************************************************************************
* ***************************************************************** ISdlProtocol Listener ********************************************************************************
*************************************************************************************************************************************************************************/
@Override
public void onServiceStarted(SdlPacket packet, SessionType serviceType, int sessionID, Version version, boolean isEncrypted) {
DebugTool.logInfo(TAG, serviceType.getName() + " service started");
if (serviceType != null && serviceType.eq(SessionType.RPC) && this.sessionId == -1) {
this.sessionId = sessionID;
this.sessionListener.onSessionStarted(sessionID, version);
}
if (isEncrypted) {
encryptedServices.addIfAbsent(serviceType);
}
if (serviceListeners != null && serviceListeners.containsKey(serviceType)) {
CopyOnWriteArrayList<ISdlServiceListener> listeners = serviceListeners.get(serviceType);
for (ISdlServiceListener listener : listeners) {
listener.onServiceStarted(this, serviceType, isEncrypted);
}
}
}
@Override
public void onServiceEnded(SdlPacket packet, SessionType serviceType, int sessionID) {
if (SessionType.RPC.equals(serviceType)) {
this.sessionListener.onSessionEnded(sessionID);
}
if (serviceListeners != null && serviceListeners.containsKey(serviceType)) {
CopyOnWriteArrayList<ISdlServiceListener> listeners = serviceListeners.get(serviceType);
for (ISdlServiceListener listener : listeners) {
listener.onServiceEnded(this, serviceType);
}
}
encryptedServices.remove(serviceType);
}
@Override
public void onServiceError(SdlPacket packet, SessionType serviceType, int sessionID, String error) {
if (serviceListeners != null && serviceListeners.containsKey(serviceType)) {
CopyOnWriteArrayList<ISdlServiceListener> listeners = serviceListeners.get(serviceType);
for (ISdlServiceListener listener : listeners) {
listener.onServiceError(this, serviceType, error);
}
}
}
@Override
public void onAuthTokenReceived(String authToken) {/* Do nothing */ }
}
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