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Refactor DeviceMessageSender

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Refactor DeviceMessage as a queue of message. This will allow to add
other message types.

PR #4473 <https://github.com/Genymobile/scrcpy/pull/4473>
This commit is contained in:
Romain Vimont 2024-02-24 22:27:53 +01:00
parent 840680f546
commit 021c5d371a
4 changed files with 17 additions and 38 deletions
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6
server/src/main/java/com/genymobile/scrcpy/Controller.java
View File

@ -413,7 +413,8 @@ public class Controller implements AsyncProcessor {
if (!clipboardAutosync) {
String clipboardText = Device.getClipboardText();
if (clipboardText != null) {
sender.pushClipboardText(clipboardText);
DeviceMessage msg = DeviceMessage.createClipboard(clipboardText);
sender.send(msg);
}
}
}
@ -431,7 +432,8 @@ public class Controller implements AsyncProcessor {
if (sequence != ControlMessage.SEQUENCE_INVALID) {
// Acknowledgement requested
sender.pushAckClipboard(sequence);
DeviceMessage msg = DeviceMessage.createAckClipboard(sequence);
sender.send(msg);
}
return ok;

2
server/src/main/java/com/genymobile/scrcpy/DeviceMessage.java
View File

@ -5,8 +5,6 @@ public final class DeviceMessage {
public static final int TYPE_CLIPBOARD = 0;
public static final int TYPE_ACK_CLIPBOARD = 1;
public static final long SEQUENCE_INVALID = ControlMessage.SEQUENCE_INVALID;
private int type;
private String text;
private long sequence;

42
server/src/main/java/com/genymobile/scrcpy/DeviceMessageSender.java
View File

@ -1,54 +1,30 @@
package com.genymobile.scrcpy;
import java.io.IOException;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
public final class DeviceMessageSender {
private final ControlChannel controlChannel;
private Thread thread;
private String clipboardText;
private long ack;
private final BlockingQueue<DeviceMessage> queue = new ArrayBlockingQueue<>(16);
public DeviceMessageSender(ControlChannel controlChannel) {
this.controlChannel = controlChannel;
}
public synchronized void pushClipboardText(String text) {
clipboardText = text;
notify();
}
public synchronized void pushAckClipboard(long sequence) {
ack = sequence;
notify();
public void send(DeviceMessage msg) {
if (!queue.offer(msg)) {
Ln.w("Device message dropped: " + msg.getType());
}
}
private void loop() throws IOException, InterruptedException {
while (!Thread.currentThread().isInterrupted()) {
String text;
long sequence;
synchronized (this) {
while (ack == DeviceMessage.SEQUENCE_INVALID && clipboardText == null) {
wait();
}
text = clipboardText;
clipboardText = null;
sequence = ack;
ack = DeviceMessage.SEQUENCE_INVALID;
}
if (sequence != DeviceMessage.SEQUENCE_INVALID) {
DeviceMessage event = DeviceMessage.createAckClipboard(sequence);
controlChannel.send(event);
}
if (text != null) {
DeviceMessage event = DeviceMessage.createClipboard(text);
controlChannel.send(event);
}
DeviceMessage msg = queue.take();
controlChannel.send(msg);
}
}

5
server/src/main/java/com/genymobile/scrcpy/Server.java
View File

@ -133,7 +133,10 @@ public final class Server {
if (control) {
ControlChannel controlChannel = connection.getControlChannel();
Controller controller = new Controller(device, controlChannel, cleanUp, options.getClipboardAutosync(), options.getPowerOn());
device.setClipboardListener(text -> controller.getSender().pushClipboardText(text));
device.setClipboardListener(text -> {
DeviceMessage msg = DeviceMessage.createClipboard(text);
controller.getSender().send(msg);
});
asyncProcessors.add(controller);
}