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Linux controller filtering and improvements

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This commit is contained in:
Ash 2017-04-13 12:03:35 +10:00
parent 9399f9f42e
commit 0d9b6cdad3
4 changed files with 80 additions and 14 deletions
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70
src/net/ash/HIDToVPADNetworkClient/controller/LinuxDevInputController.java
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@ -23,12 +23,14 @@ package net.ash.HIDToVPADNetworkClient.controller;
import java.io.BufferedInputStream;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.IOException;
import lombok.Getter;
import lombok.Setter;
import net.ash.HIDToVPADNetworkClient.exeption.ControllerInitializationFailedException;
import net.ash.HIDToVPADNetworkClient.util.Utilities;
public class LinuxDevInputController extends Controller implements Runnable {
public static final int NUM_SUPPORTED_AXIS = 10; // possibly off-by-one
@ -38,10 +40,12 @@ public class LinuxDevInputController extends Controller implements Runnable {
private static final byte JS_EVENT_INIT = (byte) 0x80;
private static final byte JS_EVENT_AXIS = 0x02;
@Getter @Setter private DataInputStream controller;
@Getter @Setter private short VID;
@Getter @Setter private short PID;
private DataInputStream controller;
@Getter private short VID;
@Getter private short PID;
private String name;
private long buttonState = 0;
private byte[] axisState = new byte[NUM_SUPPORTED_AXIS];
@ -60,17 +64,57 @@ public class LinuxDevInputController extends Controller implements Runnable {
return false;
}
setVID((short) (identifier.hashCode() & 0xFFFF));
setPID((short) ((identifier.hashCode() >> (Short.SIZE / Byte.SIZE)) & 0xFFFF));
System.out.println("[LinuxDevInputController] " + identifier.toString() + " fakevid: " + Integer.toHexString((int) getVID() & 0xFFFF) + " fakepid: "
+ Integer.toHexString((int) getPID() & 0xFFFF));
try {
doSysFs(identifier);
} catch (Exception e) {
e.printStackTrace();
System.err.println("oops");
}
if (VID == 0 || PID == 0) {
VID = ((short) (identifier.hashCode() & 0xFFFF));
PID = ((short) ((identifier.hashCode() >> (Short.SIZE / Byte.SIZE)) & 0xFFFF));
System.out.println("[LinuxDevInputController] " + identifier.toString() + " fakevid: " + Integer.toHexString((int) getVID() & 0xFFFF) + " fakepid: "
+ Integer.toHexString((int) getPID() & 0xFFFF));
}
return true;
}
//This could probably do with some cleanup
public void doSysFs(String identifier) throws Exception {
Process querySysFs = Runtime.getRuntime().exec("udevadm info -q path " + identifier);
querySysFs.waitFor();
String sysfs_path = "/sys" + Utilities.getStringFromInputStream(querySysFs.getInputStream()).trim() + "/device";
querySysFs.destroy();
File sysfs = new File(sysfs_path);
if (!sysfs.exists()) return;
char[] nameBuf = new char[1024];
FileReader nameGet = new FileReader(sysfs_path + "/name");
nameGet.read(nameBuf);
nameGet.close();
name = new String(nameBuf).trim();
char[] vidBuf = new char[6];
FileReader vidGet = new FileReader(sysfs_path + "/id/vendor");
vidGet.read(vidBuf);
vidGet.close();
short vid = Short.parseShort(new String(vidBuf).trim(), 16);
this.VID = vid;
char[] pidBuf = new char[6];
FileReader pidGet = new FileReader(sysfs_path + "/id/product");
pidGet.read(pidBuf);
pidGet.close();
short pid = Short.parseShort(new String(pidBuf).trim(), 16);
this.PID = pid;
}
@Override
public byte[] pollLatestData() {
DataInputStream inputStream = getController();
DataInputStream inputStream = this.controller;
// Read out next event from controller
/* int time; */
short value;
@ -81,6 +125,7 @@ public class LinuxDevInputController extends Controller implements Runnable {
type = inputStream.readByte();
number = inputStream.readByte();
} catch (IOException e) {
if (!isActive()) return null; //"Stream closed" when removing
System.err.println("[LinuxDevInputController] Couldn't read from controller!");
e.printStackTrace();
System.out.println("[LinuxDevInputController] Detaching...");
@ -124,6 +169,7 @@ public class LinuxDevInputController extends Controller implements Runnable {
for (int i = (Long.SIZE / Byte.SIZE); i < CONTROLLER_DATA_SIZE; i++) {
newData[i] = axisState[i - (Long.SIZE / Byte.SIZE)];
}
return newData;
}
@ -144,11 +190,11 @@ public class LinuxDevInputController extends Controller implements Runnable {
@Override
public String toString() {
return "[" + super.toString() + ";VID," + Integer.toHexString((int) getVID() & 0xFFFF) + ";PID," + Integer.toHexString((int) getPID() & 0xFFFF)
+ ";run," + isActive() + ((controller == null) ? ";uninitialised]" : ";initialised]");
+ ";name," + name + ";run," + isActive() + ((controller == null) ? ";uninitialised]" : ";initialised]");
}
@Override
public String getInfoText() {
return "Linux controller on " + getIdentifier();
return ((name != null) ? name : "Linux controller") + " on " + getIdentifier();
}
}

2
src/net/ash/HIDToVPADNetworkClient/manager/ControllerManager.java
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@ -208,6 +208,8 @@ public final class ControllerManager {
private static Map<String, ControllerType> detectLinuxControllers() {
Map<String, ControllerType> result = new HashMap<String, ControllerType>();
if (!Settings.ControllerFiltering.getFilterState(Settings.ControllerFiltering.Type.LINUX)) return result;
File devInput = new File("/dev/input");
if (!devInput.exists()) return result;

4
src/net/ash/HIDToVPADNetworkClient/util/Settings.java
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@ -210,7 +210,8 @@ public final class Settings {
HIDGAMEPAD (0, "HID Gamepads", Platform.LINUX.mask | Platform.WINDOWS.mask | Platform.MAC_OS_X.mask),
HIDKEYBOARD (1, "HID Keyboards", Platform.LINUX.mask | Platform.MAC_OS_X.mask),
HIDMOUSE (2, "HID Mice", Platform.LINUX.mask | Platform.MAC_OS_X.mask),
HIDOTHER (3, "Other HIDs", Platform.LINUX.mask | Platform.WINDOWS.mask | Platform.MAC_OS_X.mask);
HIDOTHER (3, "Other HIDs", Platform.LINUX.mask | Platform.WINDOWS.mask | Platform.MAC_OS_X.mask),
LINUX (4, "Linux controllers", Platform.LINUX.mask);
private int index;
@Getter private String name;
@ -251,6 +252,7 @@ public final class Settings {
filterStates[Type.HIDKEYBOARD.index] = false;
filterStates[Type.HIDMOUSE.index] = false;
filterStates[Type.HIDOTHER.index] = false;
filterStates[Type.LINUX.index] = true;
}
}
}

18
src/net/ash/HIDToVPADNetworkClient/util/Utilities.java
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@ -21,6 +21,10 @@
*******************************************************************************/
package net.ash.HIDToVPADNetworkClient.util;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
public final class Utilities {
private Utilities() {
@ -90,5 +94,17 @@ public final class Utilities {
result[i] = Boolean.parseBoolean(strings[i]);
}
return result;
}
}
public static String getStringFromInputStream(InputStream is) throws IOException{
ByteArrayOutputStream baos = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int length;
while ((length = is.read(buffer)) != -1) {
baos.write(buffer, 0, length);
}
return baos.toString("UTF-8");
}
}