Haoquan/rtp video stream control #308
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,236 @@ | ||
| package org.openbot.env; | ||
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| import static timber.log.Timber.e; | ||
| import static timber.log.Timber.i; | ||
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| import android.annotation.SuppressLint; | ||
| import android.app.Activity; | ||
| import android.content.Context; | ||
| import java.io.BufferedInputStream; | ||
| import java.io.DataInputStream; | ||
| import java.io.IOException; | ||
| import java.io.OutputStream; | ||
| import java.net.Socket; | ||
| import java.nio.charset.StandardCharsets; | ||
| import java.util.Scanner; | ||
| import java.util.concurrent.ArrayBlockingQueue; | ||
| import java.util.concurrent.BlockingQueue; | ||
| import org.openbot.utils.ConnectionUtils; | ||
| import timber.log.Timber; | ||
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| public class MobileNetworkConnection implements ILocalConnection { | ||
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| private static final String TAG = "MobileNetworkConn"; | ||
| private Context context; | ||
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| private String HOST; | ||
| private int PORT; | ||
| private IDataReceived dataReceivedCallback; | ||
| private SocketHandler socketHandler; | ||
| private BlockingQueue<String> messageQueue = new ArrayBlockingQueue<>(25); | ||
| private boolean stopped = true; | ||
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| @Override | ||
| public void init(Context context) { | ||
| socketHandler = new SocketHandler(messageQueue); | ||
| } | ||
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| @Override | ||
| public void setDataCallback(IDataReceived dataCallback) { | ||
| this.dataReceivedCallback = dataCallback; | ||
| } | ||
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| @Override | ||
| public void connect(Context context) { | ||
| this.context = context; | ||
| start(); | ||
| runConnection(); | ||
| } | ||
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| @Override | ||
| public void disconnect(Context context) { | ||
| stop(); | ||
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| if (socketHandler == null) { | ||
| return; | ||
| } | ||
| socketHandler.close(); | ||
| } | ||
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| @Override | ||
| public void stop() { | ||
| stopped = true; | ||
| BotToControllerEventBus.emitEvent(ConnectionUtils.createStatus("CONNECTION_ACTIVE", false)); | ||
| } | ||
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| @Override | ||
| public void start() { | ||
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| stopped = false; | ||
| BotToControllerEventBus.emitEvent(ConnectionUtils.createStatus("CONNECTION_ACTIVE", true)); | ||
| } | ||
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| @Override | ||
| public void setServerAddress(String ip, String port) { | ||
| this.HOST = ip; | ||
| this.PORT = Integer.parseInt(port); | ||
| } | ||
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| @Override | ||
| public boolean isVideoCapable() { | ||
| return true; | ||
| } | ||
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| @Override | ||
| public boolean isConnected() { | ||
| return socketHandler != null && socketHandler.isConnected(); | ||
| } | ||
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| @Override | ||
| public void sendMessage(String message) { | ||
| if (socketHandler != null) { | ||
| socketHandler.put(message); | ||
| } | ||
| } | ||
| // end of interface | ||
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| private void runConnection() { | ||
| Timber.d("PORT: " + PORT + ", address: " + HOST); | ||
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| ((Activity) context) | ||
| .runOnUiThread( | ||
| () -> { | ||
| ControllerToBotEventBus.emitEvent("{command: \"CONNECTED\"}"); | ||
| }); | ||
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| new Thread("Receiver Thread") { | ||
| public void run() { | ||
| SocketHandler.ClientInfo clientInfo = socketHandler.connect(HOST, PORT); | ||
| if (clientInfo == null) { | ||
| Timber.d("Could not get a connection"); | ||
| return; | ||
| } | ||
| startReceiver(socketHandler, clientInfo.reader); | ||
| startSender(socketHandler, clientInfo.writer); | ||
| } | ||
| }.start(); | ||
| } | ||
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| private void startReceiver(SocketHandler socketHandler, Scanner reader) { | ||
| new Thread("startReceiver Thread") { | ||
| public void run() { | ||
| socketHandler.runReceiver(reader); | ||
| } | ||
| }.start(); | ||
| } | ||
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| private void startSender(SocketHandler socketHandler, OutputStream writer) { | ||
| new Thread("startSender Thread") { | ||
| public void run() { | ||
| try { | ||
| socketHandler.runSender(writer); | ||
| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| } | ||
| } | ||
| }.start(); | ||
| } | ||
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| class SocketHandler { | ||
| private BlockingQueue<String> messageQueue; | ||
| private Socket client; | ||
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| boolean isConnected() { | ||
| return client != null && !client.isClosed(); | ||
| } | ||
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| SocketHandler(BlockingQueue<String> messageQueue) { | ||
| this.messageQueue = messageQueue; | ||
| } | ||
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| class ClientInfo { | ||
| Scanner reader; | ||
| OutputStream writer; | ||
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| ClientInfo(Scanner reader, OutputStream writer) { | ||
| this.reader = reader; | ||
| this.writer = writer; | ||
| } | ||
| } | ||
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| ClientInfo connect(String host, int port) { | ||
| ClientInfo clientInfo; | ||
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| try { | ||
| client = new Socket(host, port); | ||
| clientInfo = | ||
| new ClientInfo( | ||
| new Scanner(new DataInputStream(new BufferedInputStream(client.getInputStream()))), | ||
| client.getOutputStream()); | ||
| } catch (Exception e) { | ||
| return null; | ||
| } | ||
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| return clientInfo; | ||
| } | ||
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| void runReceiver(Scanner reader) { | ||
| try { | ||
| while (true) { | ||
| String msg = reader.nextLine().trim(); | ||
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| if (!stopped) { | ||
| ((Activity) context).runOnUiThread(() -> dataReceivedCallback.dataReceived(msg)); | ||
| } | ||
| } | ||
| } catch (Exception e) { | ||
| close(); | ||
| } | ||
| } | ||
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| void put(String message) { | ||
| try { | ||
| this.messageQueue.put(message); | ||
| } catch (InterruptedException e) { | ||
| e.printStackTrace(); | ||
| } | ||
| } | ||
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| @SuppressLint("TimberArgCount") | ||
| void runSender(OutputStream writer) { | ||
| while (true) { | ||
| try { | ||
| String message = messageQueue.take(); | ||
| i(TAG, "queue capacity: " + messageQueue.remainingCapacity()); | ||
| writer.write((message + "\n").getBytes(StandardCharsets.UTF_8)); | ||
| } catch (InterruptedException | IOException e) { | ||
| i(TAG, "runSender got exception: " + e); | ||
| close(); | ||
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| // reconnect again | ||
| if (isConnected()) { | ||
| runConnection(); | ||
| } | ||
| break; | ||
| } | ||
| } | ||
| } | ||
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| void close() { | ||
| try { | ||
| if (client == null || client.isClosed()) { | ||
| return; | ||
| } | ||
| client.close(); | ||
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| ((Activity) context) | ||
| .runOnUiThread( | ||
| () -> { | ||
| ControllerToBotEventBus.emitEvent("{command: \"DISCONNECTED\"}"); | ||
| }); | ||
| } catch (IOException e) { | ||
| e.printStackTrace(); | ||
| } | ||
| } | ||
| } | ||
| } |
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We should use the original library.
https://github.com/fyhertz/libstreaming
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I tried the original library in the beginning. However, the official libstreaming published on jitpack is the very old version, and they didn't publish their latest version. I'm not sure if there is another way around. Do you have any idea?