Move finally-block to fix deadlock on stop
DesktopConnection implements Closeable, so it is implicitly closed after
its try-with-resources block. Closing the DesktopConnection shutdowns
the sockets, so it is necessary in particular to wake up blocking read()
calls from the controller.
But the controller thread was joined before the DesktopConnection was
closed, causing a deadlock. To fix the problem, join the controller
thread only after the DesktopConnection is closed.
Refs 400a1c69b1
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parent
e02f30f895
commit
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1 changed files with 15 additions and 14 deletions
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@ -84,6 +84,8 @@ public final class Server {
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Workarounds.fillAppInfo();
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Workarounds.fillAppInfo();
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}
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}
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Controller controller = null;
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try (DesktopConnection connection = DesktopConnection.open(scid, tunnelForward, control, sendDummyByte)) {
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try (DesktopConnection connection = DesktopConnection.open(scid, tunnelForward, control, sendDummyByte)) {
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VideoCodec codec = options.getCodec();
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VideoCodec codec = options.getCodec();
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if (options.getSendDeviceMeta()) {
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if (options.getSendDeviceMeta()) {
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@ -93,7 +95,6 @@ public final class Server {
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ScreenEncoder screenEncoder = new ScreenEncoder(codec.getMimeType(), options.getBitRate(), options.getMaxFps(), codecOptions,
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ScreenEncoder screenEncoder = new ScreenEncoder(codec.getMimeType(), options.getBitRate(), options.getMaxFps(), codecOptions,
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options.getEncoderName(), options.getDownsizeOnError());
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options.getEncoderName(), options.getDownsizeOnError());
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Controller controller = null;
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if (control) {
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if (control) {
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controller = new Controller(device, connection, options.getClipboardAutosync(), options.getPowerOn());
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controller = new Controller(device, connection, options.getClipboardAutosync(), options.getPowerOn());
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controller.start();
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controller.start();
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@ -114,6 +115,7 @@ public final class Server {
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if (!IO.isBrokenPipe(e)) {
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if (!IO.isBrokenPipe(e)) {
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Ln.e("Video encoding error", e);
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Ln.e("Video encoding error", e);
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}
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}
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}
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} finally {
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} finally {
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Ln.d("Screen streaming stopped");
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Ln.d("Screen streaming stopped");
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initThread.interrupt();
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initThread.interrupt();
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@ -131,7 +133,6 @@ public final class Server {
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}
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}
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}
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}
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}
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}
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}
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private static Thread startInitThread(final Options options) {
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private static Thread startInitThread(final Options options) {
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Thread thread = new Thread(() -> initAndCleanUp(options));
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Thread thread = new Thread(() -> initAndCleanUp(options));
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