/**
* {@inheritDoc}
*
* @throws OperaRunnerException if launcher is shut down or not running
*/
@Override
public void startOpera() throws OperaRunnerException {
assertLauncherAlive();
try {
byte[] request = LauncherStartRequest.newBuilder().build().toByteArray();
ResponseEncapsulation res = protocol.sendRequest(MessageType.MSG_START, request);
if (handleStatusMessage(res.getResponse()) != StatusType.RUNNING) {
throw new IOException("launcher unable to start binary");
}
// Check Opera hasn't immediately exited (e.g. due to unknown arguments)
try {
Thread.sleep(OperaIntervals.PROCESS_START_SLEEP.getMs());
} catch (InterruptedException e) {
// nothing
}
res = protocol.sendRequest(MessageType.MSG_STATUS, request);
if (handleStatusMessage(res.getResponse()) != StatusType.RUNNING) {
throw new IOException(
"Opera exited immediately; possibly incorrect arguments? Command: "
+ binary.getCommands());
}
} catch (IOException e) {
throw new OperaRunnerException("Could not start Opera: " + e.getMessage());
}
}
private void init() {
try {
binary =
new OperaLauncherBinary(
settings.getLauncher().getPath(), arguments.toArray(new String[arguments.size()]));
} catch (IOException e) {
throw new OperaRunnerException("Unable to start launcher: " + e.getMessage());
}
logger.fine("Waiting for launcher connection on port " + launcherPort);
ServerSocket listenerServer = null;
try {
// Setup listener server
listenerServer = new ServerSocket(launcherPort);
// TODO(andreastt): Unsafe int cast
listenerServer.setSoTimeout((int) OperaIntervals.LAUNCHER_CONNECT_TIMEOUT.getMs());
// Try to connect
protocol = new OperaLauncherProtocol(listenerServer.accept());
// We did it!
logger.fine("Connected with launcher on port " + launcherPort);
// Do the handshake!
LauncherHandshakeRequest.Builder request = LauncherHandshakeRequest.newBuilder();
ResponseEncapsulation res =
protocol.sendRequest(MessageType.MSG_HELLO, request.build().toByteArray());
// Are we happy?
if (res.isSuccess()) {
logger.finer("Got launcher handshake: " + res.getResponse().toString());
} else {
throw new OperaRunnerException(
"Did not get launcher handshake: " + res.getResponse().toString());
}
} catch (SocketTimeoutException e) {
throw new OperaRunnerException(
"Timeout waiting for launcher to connect on port " + launcherPort, e);
} catch (IOException e) {
throw new OperaRunnerException("Unable to listen to launcher port " + launcherPort, e);
} finally {
Closeables.closeQuietly(listenerServer);
}
}
public boolean isOperaRunning(int processId) {
if (!isLauncherRunning()) {
return false;
}
try {
LauncherStatusRequest.Builder request = LauncherStatusRequest.newBuilder();
if (processId > 0) {
request.setProcessid(processId);
}
ResponseEncapsulation res =
protocol.sendRequest(MessageType.MSG_STATUS, request.build().toByteArray());
logger.finer("Getting Opera's status from launcher: " + res.getResponse().toString());
return handleStatusMessage(res.getResponse()) == StatusType.RUNNING;
} catch (IOException e) {
logger.fine("Could not get state of Opera, assuming launcher has shut down");
return false;
}
}
/**
* {@inheritDoc}
*
* @throws OperaRunnerException if launcher is shut down or not running
*/
@Override
public void stopOpera() throws OperaRunnerException {
assertLauncherAlive();
if (!isOperaRunning()) {
return;
}
try {
LauncherStopRequest.Builder request = LauncherStopRequest.newBuilder();
ResponseEncapsulation res =
protocol.sendRequest(MessageType.MSG_STOP, request.build().toByteArray());
if (handleStatusMessage(res.getResponse()) == StatusType.RUNNING) {
throw new IOException("launcher unable to stop binary");
}
} catch (IOException e) {
throw new OperaRunnerException("Could not stop Opera: " + e.getMessage());
}
}
/**
* Take screenshot using external program. Will not trigger a screen repaint.
*
* @throws OperaRunnerException if launcher is shutdown or not running
*/
@Override
public ScreenShotReply saveScreenshot(long timeout, String... hashes)
throws OperaRunnerException {
assertLauncherAlive();
String resultMd5;
byte[] resultBytes;
boolean blank = false;
try {
LauncherScreenshotRequest.Builder request = LauncherScreenshotRequest.newBuilder();
for (String hash : hashes) {
request.addKnownMD5S(hash);
}
request.setKnownMD5STimeoutMs((int) timeout);
ResponseEncapsulation res =
protocol.sendRequest(MessageType.MSG_SCREENSHOT, request.build().toByteArray());
LauncherScreenshotResponse response = (LauncherScreenshotResponse) res.getResponse();
resultMd5 = response.getMd5();
resultBytes = response.getImagedata().toByteArray();
if (response.hasBlank()) {
blank = response.getBlank();
}
} catch (SocketTimeoutException e) {
throw new OperaRunnerException("Could not get screenshot from launcher", e);
} catch (IOException e) {
throw new OperaRunnerException("Could not get screenshot from launcher", e);
}
ScreenShotReply screenshotreply = new ScreenShotReply(resultMd5, resultBytes);
screenshotreply.setBlank(blank);
screenshotreply.setCrashed(this.hasOperaCrashed());
return screenshotreply;
}