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Directly using VirtualBox from Java #5

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NorbiPeti merged 60 commits from directvb into master 2019-04-18 23:29:21 +00:00
Conversation 0 Commits 60 Files changed 89 +70 -46
2 changed files with 70 additions and 46 deletions
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VirtualComputer/src/sznp/virtualcomputer/MCFrameBuffer.java
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@ -15,7 +15,7 @@ public class MCFrameBuffer implements IFramebuffer {
private IDisplay display;
private Holder<IDisplaySourceBitmap> holder = new Holder<>();
public MCFrameBuffer(IDisplay display) {
public MCFrameBuffer(IDisplay display, boolean VBoxDirect) { //TODO: Implement param
this.display = display;
}

114
VirtualComputer/src/sznp/virtualcomputer/PluginMain.java
View file

@ -3,6 +3,7 @@ package sznp.virtualcomputer;
import com.google.common.collect.Lists;
import jnr.ffi.LibraryLoader;
import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.command.CommandSender;
import org.bukkit.command.ConsoleCommandSender;
import org.bukkit.plugin.java.JavaPlugin;
@ -117,63 +118,86 @@ public class PluginMain extends JavaPlugin {
public void Start(CommandSender sender) {// TODO: Add touchscreen support (#2)
Bukkit.getScheduler().runTaskAsynchronously(this, () -> {
sender.sendMessage("§eStarting computer...");
if (machine == null)
machine = vbox.getMachines().get(0);
session.setName("minecraft");
// machine.launchVMProcess(session, "headless", "").waitForCompletion(10000); - This creates a *process*, we don't want that anymore
machine.lockMachine(session, LockType.VM); // We want the machine inside *our* process <-- Need the VM type to have console access
final Runnable tr = new Runnable() {
public void run() {
if (session.getState() != SessionState.Locked) { // https://www.virtualbox.org/sdkref/_virtual_box_8idl.html#ac82c179a797c0d7c249d1b98a8e3aa8f
Bukkit.getScheduler().runTaskLaterAsynchronously(PluginMain.this, this, 5);
return; // "This state also occurs as a short transient state during an IMachine::lockMachine call."
try {
sendMessage(sender, "§eStarting computer...");
if (machine == null)
machine = vbox.getMachines().get(0);
session.setName("minecraft");
// machine.launchVMProcess(session, "headless", "").waitForCompletion(10000); - This creates a *process*, we don't want that anymore
machine.lockMachine(session, LockType.VM); // We want the machine inside *our* process <-- Need the VM type to have console access
final Runnable tr = new Runnable() {
public void run() {
if (session.getState() != SessionState.Locked) { // https://www.virtualbox.org/sdkref/_virtual_box_8idl.html#ac82c179a797c0d7c249d1b98a8e3aa8f
Bukkit.getScheduler().runTaskLaterAsynchronously(PluginMain.this, this, 5);
return; // "This state also occurs as a short transient state during an IMachine::lockMachine call."
}
machine = session.getMachine(); // This is the Machine object we can work with
final IConsole console = session.getConsole();
console.powerUp(); // https://marc.info/?l=vbox-dev&m=142780789819967&w=2
console.getDisplay().attachFramebuffer(0L,
new IFramebuffer(new MCFrameBuffer(console.getDisplay(), true)));
startScreenTask(console, sender);
}
machine = session.getMachine(); // This is the Machine object we can work with
final IConsole console = session.getConsole();
console.powerUp(); // https://marc.info/?l=vbox-dev&m=142780789819967&w=2
console.getDisplay().attachFramebuffer(0L,
new IFramebuffer(new MCFrameBuffer(console.getDisplay())));
if (screenupdatetask == null)
screenupdatetask = Bukkit.getScheduler().runTaskTimerAsynchronously(PluginMain.this, () -> {
if (session.getState().equals(SessionState.Locked) // Don't run until the machine is running
&& console.getState().equals(MachineState.Running))
console.getDisplay().invalidateAndUpdateScreen(0L);
if (session.getState().equals(SessionState.Unlocked) // Stop if the machine stopped fully
|| console.getState().equals(MachineState.PoweredOff)
|| console.getState().equals(MachineState.Saved)) {
if (session.getState().equals(SessionState.Locked)) {
session.unlockMachine();
sender.sendMessage("Computer powered off, released it.");
}
screenupdatetask.cancel();
screenupdatetask = null;
}
}, 100, 100); // Do a full update every 5 seconds
sender.sendMessage("§eComputer started.");
};
Bukkit.getScheduler().runTaskLaterAsynchronously(this, tr, 5);
} catch (VBoxException e) {
if (e.getResultCode() == 0x80070005) { //lockMachine: "The object functionality is limited"
sendMessage(sender, "§6Cannot start computer, the machine may be inaccessible");
return; //TODO: If we have VirtualBox open, it won't close the server's port
//TODO: Can't detect if machine fails to start because of hardening issues
//TODO: This error also occurs if the machine has failed to start at least once (always reassign the machine?)
//machine.launchVMProcess(session, "headless", "").waitForCompletion(10000); //No privileges, start the 'old' way
//session.getConsole().getDisplay().attachFramebuffer(0L, new IFramebuffer(new MCFrameBuffer(session.getConsole().getDisplay(), false)));
//sendMessage(sender, "§6Computer started with slower screen. Run as root to use a faster method.");
} else {
sendMessage(sender, "§cFailed to start computer: " + e.getMessage());
return;
}
};
Bukkit.getScheduler().runTaskLaterAsynchronously(this, tr, 5);
}
sendMessage(sender, "§eComputer started.");
});
}
private void startScreenTask(IConsole console, CommandSender sender) {
if (screenupdatetask == null)
screenupdatetask = Bukkit.getScheduler().runTaskTimerAsynchronously(PluginMain.this, () -> {
if (session.getState().equals(SessionState.Locked) // Don't run until the machine is running
&& console.getState().equals(MachineState.Running))
console.getDisplay().invalidateAndUpdateScreen(0L);
if (session.getState().equals(SessionState.Unlocked) // Stop if the machine stopped fully
|| console.getState().equals(MachineState.PoweredOff)
|| console.getState().equals(MachineState.Saved)) {
if (session.getState().equals(SessionState.Locked)) {
session.unlockMachine();
sendMessage(sender, "Computer powered off, released it.");
}
screenupdatetask.cancel();
screenupdatetask = null;
}
}, 100, 100); // Do a full update every 5 seconds
}
private void sendMessage(CommandSender sender, String message) {
sender.sendMessage(message);
getLogger().warning(sender.getName() + ": " + ChatColor.stripColor(message));
}
public void Stop(CommandSender sender) {
if (checkMachineNotRunning(sender)) {
if (session.getState().equals(SessionState.Locked)) {
session.unlockMachine();
sender.sendMessage("§eComputer powered off, released it.");
sendMessage(sender, "§eComputer powered off, released it.");
}
return;
}
sender.sendMessage("§eStopping computer...");
sendMessage(sender, "§eStopping computer...");
session.getConsole().powerDown().waitForCompletion(2000);
session.unlockMachine();
sender.sendMessage("§eComputer stopped.");
sendMessage(sender, "§eComputer stopped.");
}
public void PowerButton(CommandSender sender) {
sender.sendMessage("§ePressing powerbutton...");
final CommandSender s = sender;
sendMessage(sender, "§ePressing powerbutton...");
getServer().getScheduler().runTaskAsynchronously(this, new Runnable() {
@Override
public void run() {
@ -181,7 +205,7 @@ public class PluginMain extends JavaPlugin {
Start(sender);
} else {
session.getConsole().powerButton();
s.sendMessage("§ePowerbutton pressed.");
sendMessage(sender, "§ePowerbutton pressed.");
}
}
});
@ -190,18 +214,18 @@ public class PluginMain extends JavaPlugin {
public void Reset(CommandSender sender) {
if (checkMachineNotRunning(sender))
return;
sender.sendMessage("§eResetting computer...");
sendMessage(sender, "§eResetting computer...");
session.getConsole().reset();
sender.sendMessage("§eComputer reset.");
sendMessage(sender, "§eComputer reset.");
}
public void FixScreen(CommandSender sender) {
if (checkMachineNotRunning(sender))
return;
sender.sendMessage("§eFixing screen...");
sendMessage(sender, "§eFixing screen...");
session.getConsole().getDisplay().setSeamlessMode(false);
session.getConsole().getDisplay().setVideoModeHint(0L, true, false, 0, 0, 640L, 480L, 32L);
sender.sendMessage("§eScreen fixed.");
sendMessage(sender, "§eScreen fixed.");
}
public boolean checkMachineNotRunning(@Nullable CommandSender sender) {