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Define UHID vendorId and productId from the client

Browse Source 
Let the client choose the USB ids, that it transmits in UHID_CREATE
requests.

PR #5623 <https://github.com/Genymobile/scrcpy/pull/5623>
This commit is contained in:
Romain Vimont
2024-12-07 12:43:49 +01:00
parent 86a68fac6c
commit 27a5934a1d
11 changed files with 52 additions and 13 deletions
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14
server/src/main/java/com/genymobile/scrcpy/control/ControlMessage.java
View File

@@ -51,6 +51,8 @@ public final class ControlMessage {
private int id;
private byte[] data;
private boolean on;
private int vendorId;
private int productId;
private ControlMessage() {
}
@@ -131,10 +133,12 @@ public final class ControlMessage {
return msg;
}
public static ControlMessage createUhidCreate(int id, String name, byte[] reportDesc) {
public static ControlMessage createUhidCreate(int id, int vendorId, int productId, String name, byte[] reportDesc) {
ControlMessage msg = new ControlMessage();
msg.type = TYPE_UHID_CREATE;
msg.id = id;
msg.vendorId = vendorId;
msg.productId = productId;
msg.text = name;
msg.data = reportDesc;
return msg;
@@ -237,4 +241,12 @@ public final class ControlMessage {
public boolean getOn() {
return on;
}
public int getVendorId() {
return vendorId;
}
public int getProductId() {
return productId;
}
}

4
server/src/main/java/com/genymobile/scrcpy/control/ControlMessageReader.java
View File

@@ -142,9 +142,11 @@ public class ControlMessageReader {
private ControlMessage parseUhidCreate() throws IOException {
int id = dis.readUnsignedShort();
int vendorId = dis.readUnsignedShort();
int productId = dis.readUnsignedShort();
String name = parseString(1);
byte[] data = parseByteArray(2);
return ControlMessage.createUhidCreate(id, name, data);
return ControlMessage.createUhidCreate(id, vendorId, productId, name, data);
}
private ControlMessage parseUhidInput() throws IOException {

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

@@ -290,7 +290,7 @@ public class Controller implements AsyncProcessor, VirtualDisplayListener {
Device.rotateDevice(getActionDisplayId());
break;
case ControlMessage.TYPE_UHID_CREATE:
getUhidManager().open(msg.getId(), msg.getText(), msg.getData());
getUhidManager().open(msg.getId(), msg.getVendorId(), msg.getProductId(), msg.getText(), msg.getData());
break;
case ControlMessage.TYPE_UHID_INPUT:
getUhidManager().writeInput(msg.getId(), msg.getData());

10
server/src/main/java/com/genymobile/scrcpy/control/UhidManager.java
View File

@@ -48,7 +48,7 @@ public final class UhidManager {
}
}
public void open(int id, String name, byte[] reportDesc) throws IOException {
public void open(int id, int vendorId, int productId, String name, byte[] reportDesc) throws IOException {
try {
FileDescriptor fd = Os.open("/dev/uhid", OsConstants.O_RDWR, 0);
try {
@@ -58,7 +58,7 @@ public final class UhidManager {
close(old);
}
byte[] req = buildUhidCreate2Req(name, reportDesc);
byte[] req = buildUhidCreate2Req(vendorId, productId, name, reportDesc);
Os.write(fd, req, 0, req.length);
registerUhidListener(id, fd);
@@ -148,7 +148,7 @@ public final class UhidManager {
}
}
private static byte[] buildUhidCreate2Req(String name, byte[] reportDesc) {
private static byte[] buildUhidCreate2Req(int vendorId, int productId, String name, byte[] reportDesc) {
/*
* struct uhid_event {
* uint32_t type;
@@ -183,8 +183,8 @@ public final class UhidManager {
buf.putShort((short) reportDesc.length);
buf.putShort(BUS_VIRTUAL);
buf.putInt(0); // vendor id
buf.putInt(0); // product id
buf.putInt(vendorId);
buf.putInt(productId);
buf.putInt(0); // version
buf.putInt(0); // country;
buf.put(reportDesc);