public void TestClipSetValid()
{
AtemMockServerWrapper.Each(_output, _pool, SetValidCommandHandler, DeviceTestCases.MediaPlayerClips, helper =>
{
for (int i = 0; i < 3; i++)
{
AtemState stateBefore = helper.Helper.BuildLibState();
uint index = Randomiser.RangeInt((uint)stateBefore.MediaPool.Clips.Count);
IBMDSwitcherClip clip = GetClip(helper, index);
string name = Guid.NewGuid().ToString();
uint frameCount = Randomiser.RangeInt(5) + 3;
var cb = new LockCallback();
helper.SendAndWaitForChange(stateBefore, () => { clip.Lock(cb); });
Assert.True(cb.Wait.WaitOne(2000));
var clipState = stateBefore.MediaPool.Clips[(int)index];
clipState.IsUsed = true;
clipState.Name = name;
clipState.FrameCount = frameCount;
helper.SendAndWaitForChange(stateBefore, () =>
{
clip.SetValid(name, frameCount);
});
helper.SendAndWaitForChange(stateBefore, () =>
{
clip.Unlock(cb);
});
}
});
}
public void TestLockAndUnlock()
{
AtemMockServerWrapper.Each(_output, _pool, UploadJobWorker.LockCommandHandler, DeviceTestCases.MediaPlayerClips, helper =>
{
helper.DisposeSdkClient = true;
int clipCount = helper.Helper.BuildLibState().MediaPool.Clips.Count;
for (int index = 0; index < clipCount; index++)
{
IBMDSwitcherClip clip = GetClip(helper, (uint)index);
AtemState stateBefore = helper.Helper.BuildLibState();
var cb = new LockCallback();
helper.SendAndWaitForChange(stateBefore, () => { clip.Lock(cb); });
Assert.True(cb.Wait.WaitOne(2000));
helper.Helper.CheckStateChanges(stateBefore);
uint timeBefore = helper.Server.CurrentTime;
helper.SendAndWaitForChange(stateBefore, () => { clip.Unlock(cb); });
// It should have sent a response, but we dont expect any comparable data
Assert.NotEqual(timeBefore, helper.Server.CurrentTime);
helper.Helper.CheckStateChanges(stateBefore);
}
});
}
public void TestLockAndUnlock()
{
AtemMockServerWrapper.Each(_output, _pool, UploadJobWorker.LockCommandHandler, DeviceTestCases.MediaPlayer, helper =>
{
IBMDSwitcherStills stills = GetStillsPool(helper);
AtemState stateBefore = helper.Helper.BuildLibState();
var cb = new LockCallback();
helper.SendAndWaitForChange(stateBefore, () => { stills.Lock(cb); });
Assert.True(cb.Wait.WaitOne(2000));
helper.Helper.CheckStateChanges(stateBefore);
uint timeBefore = helper.Server.CurrentTime;
helper.SendAndWaitForChange(stateBefore, () =>
{
stills.Unlock(cb);
});
// It should have sent a response, but we dont expect any comparable data
Assert.NotEqual(timeBefore, helper.Server.CurrentTime);
helper.Helper.CheckStateChanges(stateBefore);
});
}
public void TestAudioUpload()
{
UploadJobWorker worker = null;
AtemMockServerWrapper.Each(_output, _pool, (a, b) => worker?.HandleCommand(a, b), DeviceTestCases.MediaPlayerClips, helper =>
{
helper.DisposeSdkClient = true;
var pidCmd = helper.Server.GetParsedDataDump().OfType <ProductIdentifierCommand>().Single();
IBMDSwitcherMediaPool pool = GetMediaPool(helper);
for (int i = 0; i < 3; i++)
{
AtemState stateBefore = helper.Helper.BuildLibState();
uint index = Randomiser.RangeInt((uint)stateBefore.MediaPool.Clips.Count);
IBMDSwitcherClip clip = GetClip(helper, index);
uint sampleCount = 10000;
string name = Guid.NewGuid().ToString();
worker = new UploadJobWorker(sampleCount * 4, _output,
index + 1, 0, DataTransferUploadRequestCommand.TransferMode.Write2, false);
var cb = new LockCallback();
helper.SendAndWaitForChange(stateBefore, () => { clip.Lock(cb); });
Assert.True(cb.Wait.WaitOne(2000));
byte[] bytes = MediaPoolUtil.RandomFrame(sampleCount);
pool.CreateAudio((uint)bytes.Length, out IBMDSwitcherAudio frame);
MediaPoolUtil.FillSdkAudio(frame, bytes);
var clipState = stateBefore.MediaPool.Clips[(int)index];
clipState.Audio.IsUsed = true;
clipState.Audio.Name = name;
var uploadCb = new TransferCallback();
clip.AddCallback(uploadCb);
clip.UploadAudio(name, frame);
helper.HandleUntil(uploadCb.Wait, 5000);
Assert.True(uploadCb.Wait.WaitOne(500));
Assert.Equal(_BMDSwitcherMediaPoolEventType.bmdSwitcherMediaPoolEventTypeTransferCompleted,
uploadCb.Result);
// TODO - this needs a better rule that can be properly exposed via the lib
byte[] flippedBytes = pidCmd.Model >= ModelId.PS4K
? MediaPoolUtil.FlipAudio(bytes)
: bytes;
Assert.Equal(BitConverter.ToString(flippedBytes), BitConverter.ToString(worker.Buffer));
helper.SendAndWaitForChange(stateBefore, () =>
{
clip.Unlock(cb);
});
}
});
}
public void WithLock(LockCallback callback)
{
IntPtr pixels;
int pitch;
Lock(out pixels, out pitch);
callback(pixels, pitch);
Unlock();
}
private void DoUpload(int iterations, int timeout, Func <uint, uint, byte[]> frameBytes)
{
UploadJobWorker worker = null;
AtemMockServerWrapper.Each(_output, _pool, (a, b) => worker?.HandleCommand(a, b), DeviceTestCases.MediaPlayer, helper =>
{
helper.DisposeSdkClient = true;
IBMDSwitcherMediaPool pool = GetMediaPool(helper);
IBMDSwitcherStills stills = GetStillsPool(helper);
for (int i = 0; i < iterations; i++)
{
AtemState stateBefore = helper.Helper.BuildLibState();
Tuple <uint, uint> resolution = stateBefore.Settings.VideoMode.GetResolution().GetSize();
uint index = Randomiser.RangeInt((uint)stateBefore.MediaPool.Stills.Count);
string name = Guid.NewGuid().ToString();
worker = new UploadJobWorker(resolution.Item1 * resolution.Item2 * 4, _output,
(uint)MediaPoolFileType.Still, index, DataTransferUploadRequestCommand.TransferMode.Write);
var cb = new LockCallback();
helper.SendAndWaitForChange(stateBefore, () => { stills.Lock(cb); });
Assert.True(cb.Wait.WaitOne(2000));
pool.CreateFrame(_BMDSwitcherPixelFormat.bmdSwitcherPixelFormat10BitYUVA, resolution.Item1,
resolution.Item2, out IBMDSwitcherFrame frame);
byte[] bytes = frameBytes(resolution.Item1, resolution.Item2);
if (bytes.Length > 0)
{
MediaPoolUtil.FillSdkFrame(frame, bytes);
}
var stillState = stateBefore.MediaPool.Stills[(int)index];
stillState.IsUsed = true;
stillState.Filename = name;
var uploadCb = new TransferCallback();
stills.AddCallback(uploadCb);
stills.Upload(index, name, frame);
helper.HandleUntil(uploadCb.Wait, timeout);
Assert.True(uploadCb.Wait.WaitOne(500));
Assert.Equal(_BMDSwitcherMediaPoolEventType.bmdSwitcherMediaPoolEventTypeTransferCompleted,
uploadCb.Result);
Assert.Equal(BitConverter.ToString(bytes), BitConverter.ToString(worker.Buffer));
helper.SendAndWaitForChange(stateBefore, () =>
{
stills.Unlock(cb);
});
}
});
}
private async Task runTest(int count)
{
var nodes = new WriteLock[count];
var lockCallback = new LockCallback();
for (int i = 0; i < count; i++)
{
ZooKeeper keeper = await createClient();
WriteLock leader = new WriteLock(keeper, "/test", null);
leader.setLockListener(lockCallback);
nodes[i] = leader;
await leader.Lock();
}
// lets wait for any previous leaders to die and one of our new
// nodes to become the new leader
Assert.assertTrue(await lockCallback.TaskCompletionSource.Task.WithTimeout(30 * 1000));
WriteLock first = nodes[0];
dumpNodes(nodes, count);
// lets assert that the first election is the leader
Assert.assertTrue("The first znode should be the leader " + first.Id, first.Owner);
for (int i = 1; i < count; i++)
{
WriteLock node = nodes[i];
Assert.assertFalse("Node should not be the leader " + node.Id, node.Owner);
}
if (count > 1)
{
LOG.debug("Now killing the leader");
// now lets kill the leader
lockCallback.TaskCompletionSource = new TaskCompletionSource <bool>();
await first.unlock();
Assert.assertTrue(await lockCallback.TaskCompletionSource.Task.WithTimeout(30 * 1000));
WriteLock second = nodes[1];
dumpNodes(nodes, count);
// lets assert that the first election is the leader
Assert.assertTrue("The second znode should be the leader " + second.Id, second.Owner);
for (int i = 2; i < count; i++)
{
WriteLock node = nodes[i];
Assert.assertFalse("Node should not be the leader " + node.Id, node.Owner);
}
}
}
private void Lock(Control target, bool enable)
{
if (this.InvokeRequired)
{
LockCallback lockCallback = new LockCallback(Lock);
this.Invoke(lockCallback, target, enable);
}
else
{
target.Enabled = enable;
}
}
public void TestClipFrameUpload()
{
UploadJobWorker worker = null;
AtemMockServerWrapper.Each(_output, _pool, (a, b) => worker?.HandleCommand(a, b), DeviceTestCases.MediaPlayerClips, helper =>
{
helper.DisposeSdkClient = true;
IBMDSwitcherMediaPool pool = GetMediaPool(helper);
for (int i = 0; i < 3; i++)
{
AtemState stateBefore = helper.Helper.BuildLibState();
Tuple <uint, uint> resolution = stateBefore.Settings.VideoMode.GetResolution().GetSize();
uint index = Randomiser.RangeInt((uint)stateBefore.MediaPool.Clips.Count);
uint frameIndex = Randomiser.RangeInt(stateBefore.MediaPool.Clips[(int)index].MaxFrames);
IBMDSwitcherClip clip = GetClip(helper, index);
worker = new UploadJobWorker(resolution.Item1 * resolution.Item2 * 4, _output,
index + 1, frameIndex, DataTransferUploadRequestCommand.TransferMode.Write);
var cb = new LockCallback();
helper.SendAndWaitForChange(stateBefore, () => { clip.Lock(cb); });
Assert.True(cb.Wait.WaitOne(2000));
pool.CreateFrame(_BMDSwitcherPixelFormat.bmdSwitcherPixelFormat10BitYUVA, resolution.Item1,
resolution.Item2, out IBMDSwitcherFrame frame);
byte[] bytes = MediaPoolUtil.SolidColour(resolution.Item1 * resolution.Item2, 100, 0, 0, 255);
MediaPoolUtil.FillSdkFrame(frame, bytes);
var clipState = stateBefore.MediaPool.Clips[(int)index];
clipState.Frames[(int)frameIndex].IsUsed = true;
//clipState.Audio.Name = name;
var uploadCb = new TransferCallback();
clip.AddCallback(uploadCb);
clip.UploadFrame(frameIndex, frame);
helper.HandleUntil(uploadCb.Wait, 5000);
Assert.True(uploadCb.Wait.WaitOne(500));
Assert.Equal(_BMDSwitcherMediaPoolEventType.bmdSwitcherMediaPoolEventTypeTransferCompleted,
uploadCb.Result);
Assert.Equal(BitConverter.ToString(bytes), BitConverter.ToString(worker.Buffer));
helper.SendAndWaitForChange(stateBefore, () =>
{
clip.Unlock(cb);
});
}
});
}
public void TestAbortingAudioUpload()
{
AbortedUploadJobWorker worker = null;
AtemMockServerWrapper.Each(_output, _pool, (a, b) => worker?.HandleCommand(a, b), DeviceTestCases.MediaPlayerClips, helper =>
{
helper.DisposeSdkClient = true;
IBMDSwitcherMediaPool pool = GetMediaPool(helper);
for (int i = 0; i < 3; i++)
{
AtemState stateBefore = helper.Helper.BuildLibState();
uint index = Randomiser.RangeInt((uint)stateBefore.MediaPool.Clips.Count);
IBMDSwitcherClip clip = GetClip(helper, index);
uint sampleCount = 10000;
string name = Guid.NewGuid().ToString();
worker = new AbortedUploadJobWorker(_output);
var cb = new LockCallback();
helper.SendAndWaitForChange(stateBefore, () => { clip.Lock(cb); });
Assert.True(cb.Wait.WaitOne(2000));
byte[] bytes = MediaPoolUtil.RandomFrame(sampleCount);
pool.CreateAudio((uint)bytes.Length, out IBMDSwitcherAudio frame);
MediaPoolUtil.FillSdkAudio(frame, bytes);
var uploadCb = new TransferCallback();
clip.AddCallback(uploadCb);
clip.UploadAudio(name, frame);
// Short bit of work before the abort
helper.HandleUntil(uploadCb.Wait, 1000);
clip.CancelTransfer();
helper.HandleUntil(uploadCb.Wait, 1000);
Assert.True(uploadCb.Wait.WaitOne(500));
Assert.Equal(_BMDSwitcherMediaPoolEventType.bmdSwitcherMediaPoolEventTypeTransferCancelled,
uploadCb.Result);
helper.SendAndWaitForChange(stateBefore, () =>
{
clip.Unlock(cb);
});
}
});
}
static public void SyncStart(string message, LockCallback callback, object state)
{
if (SyncLockedGUIForm == null)
{
SyncLockedGUIForm = new FreeCL.Forms.LockedGuiForm();
SyncLockedGUIForm.Init();
}
SyncLockedGUIForm.savedCallBack = callback;
SyncLockedGUIForm.savedState = state;
SyncLockedGUIForm.tCallback.Enabled = true;
SyncLockedGUIForm.StartWaiting(message);
Application.DoEvents();
}
public void TestAbortingStillUpload()
{
AbortedUploadJobWorker worker = null;
AtemMockServerWrapper.Each(_output, _pool, (a, b) => worker?.HandleCommand(a, b), DeviceTestCases.MediaPlayerStillTransfer, helper =>
{
helper.DisposeSdkClient = true;
IBMDSwitcherMediaPool pool = GetMediaPool(helper);
IBMDSwitcherStills stills = GetStillsPool(helper);
for (int i = 0; i < 3; i++)
{
AtemState stateBefore = helper.Helper.BuildLibState();
Tuple <uint, uint> resolution = stateBefore.Settings.VideoMode.GetResolution().GetSize();
uint index = Randomiser.RangeInt((uint)stateBefore.MediaPool.Stills.Count);
string name = Guid.NewGuid().ToString();
worker = new AbortedUploadJobWorker(_output);
var cb = new LockCallback();
helper.SendAndWaitForChange(stateBefore, () => { stills.Lock(cb); });
Assert.True(cb.Wait.WaitOne(2000));
pool.CreateFrame(_BMDSwitcherPixelFormat.bmdSwitcherPixelFormat10BitYUVA, resolution.Item1,
resolution.Item2, out IBMDSwitcherFrame frame);
MediaPoolUtil.FillSdkFrame(frame, MediaPoolUtil.RandomFrame(resolution.Item1 * resolution.Item2));
var uploadCb = new TransferCallback();
stills.AddCallback(uploadCb);
stills.Upload(index, name, frame);
// Short bit of work before the abort
helper.HandleUntil(uploadCb.Wait, 1000);
stills.CancelTransfer();
helper.HandleUntil(uploadCb.Wait, 1000);
Assert.True(uploadCb.Wait.WaitOne(500));
Assert.Equal(_BMDSwitcherMediaPoolEventType.bmdSwitcherMediaPoolEventTypeTransferCancelled,
uploadCb.Result);
helper.SendAndWaitForChange(stateBefore, () =>
{
stills.Unlock(cb);
});
}
});
}
/// <summary>
///
/// </summary>
/// <param name="handle"></param>
/// <returns></returns>
public bool TryEnterLock(LockCallback handle)
{
using (var l = Lock())
{
if (l != null && l.TryEnterLock())
{
if (handle != null)
{
handle();
}
}
else
{
TraceLog.WriteError("Monitor lock timeout:{0}", _timeOut);
}
return l != null && l.IsLocked;
}
}
/// <summary>
///
/// </summary>
/// <param name="handle"></param>
/// <returns></returns>
public bool TryEnterLock(LockCallback handle)
{
using (var l = Lock())
{
if (l != null && l.TryEnterLock())
{
if (handle != null)
{
handle();
}
}
else
{
TraceLog.WriteError("Monitor lock timeout:{0}", _timeOut);
}
return(l != null && l.IsLocked);
}
}
public void SyncLock(string message, LockCallback callback, object state)
{
if (callback == null)
{
throw new ArgumentNullException("callback");
}
locked = true;
if (FreeCL.UI.Application.MainForm != null)
{
FreeCL.Forms.LockedGuiForm.SyncStart(
message,
new FreeCL.Forms.LockCallback(SyncLockCallback),
new LockCallbackData(callback, state));
}
else
{
callback(state);
}
locked = false;
}
public static void SyncStart(string message, LockCallback callback, object state)
{
if(SyncLockedGUIForm == null)
{
SyncLockedGUIForm = new FreeCL.Forms.LockedGuiForm();
SyncLockedGUIForm.Init();
}
SyncLockedGUIForm.savedCallBack = callback;
SyncLockedGUIForm.savedState = state;
SyncLockedGUIForm.tCallback.Enabled = true;
SyncLockedGUIForm.StartWaiting(message);
Application.DoEvents();
}
public void TestClipFrameDownload()
{
DownloadJobWorker worker = null;
AtemMockServerWrapper.Each(_output, _pool, (a, b) => worker?.HandleCommand(a, b), DeviceTestCases.MediaPlayerClips, helper =>
{
helper.DisposeSdkClient = true;
IBMDSwitcherMediaPool pool = GetMediaPool(helper);
for (int i = 0; i < 3; i++)
{
AtemState stateBefore = helper.Helper.BuildLibState();
Tuple <uint, uint> resolution = stateBefore.Settings.VideoMode.GetResolution().GetSize();
uint index = Randomiser.RangeInt((uint)stateBefore.MediaPool.Clips.Count);
uint frameIndex = Randomiser.RangeInt(stateBefore.MediaPool.Clips[(int)index].MaxFrames);
IBMDSwitcherClip clip = GetClip(helper, index);
{
var frameState = stateBefore.MediaPool.Clips[(int)index].Frames[(int)frameIndex];
frameState.IsUsed = true;
frameState.Hash = new byte[16];
helper.SendFromServerAndWaitForChange(stateBefore, new MediaPoolFrameDescriptionCommand
{
Bank = (MediaPoolFileType)index + 1,
Filename = "",
Index = frameIndex,
IsUsed = true
});
}
stateBefore = helper.Helper.BuildLibState();
byte[] bytes = new byte[resolution.Item1 * resolution.Item2 * 4];
worker = new DownloadJobWorker(_output, index + 1, frameIndex, FrameEncodingUtil.EncodeRLE(bytes));
var cb = new LockCallback();
helper.SendAndWaitForChange(stateBefore, () => { clip.Lock(cb); });
Assert.True(cb.Wait.WaitOne(2000));
var downloadCb = new TransferCallback();
clip.AddCallback(downloadCb);
clip.DownloadFrame(frameIndex);
helper.HandleUntil(downloadCb.Wait, 5000);
Assert.True(downloadCb.Wait.WaitOne(500));
Assert.Equal(_BMDSwitcherMediaPoolEventType.bmdSwitcherMediaPoolEventTypeTransferCompleted,
downloadCb.Result);
Assert.NotNull(downloadCb.Frame);
Assert.Null(downloadCb.Audio);
byte[] sdkBytes = MediaPoolUtil.GetSdkFrameBytes(downloadCb.Frame);
Assert.Equal(BitConverter.ToString(bytes), BitConverter.ToString(sdkBytes));
helper.SendAndWaitForChange(stateBefore, () =>
{
clip.Unlock(cb);
});
}
});
}
private void DoDownload(int iterations, int timeout, Func <uint, uint, Tuple <byte[], byte[]> > rawBytesGen)
{
DownloadJobWorker worker = null;
AtemMockServerWrapper.Each(_output, _pool, (a, b) => worker?.HandleCommand(a, b), DeviceTestCases.MediaPlayerStillTransfer, helper =>
{
helper.DisposeSdkClient = true;
IBMDSwitcherStills stills = GetStillsPool(helper);
for (int i = 0; i < iterations; i++)
{
AtemState stateBefore = helper.Helper.BuildLibState();
Tuple <uint, uint> resolution = stateBefore.Settings.VideoMode.GetResolution().GetSize();
uint index = Randomiser.RangeInt((uint)stateBefore.MediaPool.Stills.Count);
{
var stillState = stateBefore.MediaPool.Stills[(int)index];
stillState.Filename = "Some file";
stillState.IsUsed = true;
stillState.Hash = new byte[16];
helper.SendFromServerAndWaitForChange(stateBefore, new MediaPoolFrameDescriptionCommand
{
Bank = MediaPoolFileType.Still,
Filename = "Some file",
Index = index,
IsUsed = true
});
}
stateBefore = helper.Helper.BuildLibState();
Tuple <byte[], byte[]> rawBytes = rawBytesGen(resolution.Item1, resolution.Item2);
worker = new DownloadJobWorker(_output, (uint)MediaPoolFileType.Still, index,
rawBytes.Item2);
var cb = new LockCallback();
helper.SendAndWaitForChange(stateBefore, () => { stills.Lock(cb); });
Assert.True(cb.Wait.WaitOne(2000));
var downloadCb = new TransferCallback();
stills.AddCallback(downloadCb);
stills.Download(index);
helper.HandleUntil(downloadCb.Wait, timeout);
Assert.True(downloadCb.Wait.WaitOne(500));
Assert.Equal(_BMDSwitcherMediaPoolEventType.bmdSwitcherMediaPoolEventTypeTransferCompleted,
downloadCb.Result);
Assert.NotNull(downloadCb.Frame);
Assert.Equal(_BMDSwitcherPixelFormat.bmdSwitcherPixelFormat10BitYUVA,
downloadCb.Frame.GetPixelFormat());
Assert.Equal(resolution.Item1, (uint)downloadCb.Frame.GetWidth());
Assert.Equal(resolution.Item2, (uint)downloadCb.Frame.GetHeight());
byte[] sdkBytes = MediaPoolUtil.GetSdkFrameBytes(downloadCb.Frame);
Assert.Equal(BitConverter.ToString(rawBytes.Item1), BitConverter.ToString(sdkBytes));
helper.SendAndWaitForChange(stateBefore, () =>
{
stills.Unlock(cb);
});
}
});
}
public LockCallbackData(LockCallback callBack, object state)
{
Callback = callBack;
State = state;
}
public void TestAudioDownload()
{
DownloadJobWorker worker = null;
AtemMockServerWrapper.Each(_output, _pool, (a, b) => worker?.HandleCommand(a, b), DeviceTestCases.MediaPlayerClips, helper =>
{
helper.DisposeSdkClient = true;
var pidCmd = helper.Server.GetParsedDataDump().OfType <ProductIdentifierCommand>().Single();
for (int i = 0; i < 3; i++)
{
AtemState stateBefore = helper.Helper.BuildLibState();
uint index = Randomiser.RangeInt((uint)stateBefore.MediaPool.Clips.Count);
IBMDSwitcherClip clip = GetClip(helper, index);
uint sampleCount = 10000;
{
var clipState = stateBefore.MediaPool.Clips[(int)index];
clipState.Audio.Name = "Some file";
clipState.Audio.IsUsed = true;
clipState.Audio.Hash = new byte[16];
helper.SendFromServerAndWaitForChange(stateBefore, new MediaPoolAudioDescriptionCommand
{
Name = "Some file",
Index = index + 1,
IsUsed = true
});
}
stateBefore = helper.Helper.BuildLibState();
var bytes = MediaPoolUtil.RandomFrame(sampleCount);
worker = new DownloadJobWorker(_output, index + 1, 0, bytes);
var cb = new LockCallback();
helper.SendAndWaitForChange(stateBefore, () => { clip.Lock(cb); });
Assert.True(cb.Wait.WaitOne(2000));
var downloadCb = new TransferCallback();
clip.AddCallback(downloadCb);
clip.DownloadAudio();
helper.HandleUntil(downloadCb.Wait, 5000);
Assert.True(downloadCb.Wait.WaitOne(500));
Assert.Equal(_BMDSwitcherMediaPoolEventType.bmdSwitcherMediaPoolEventTypeTransferCompleted,
downloadCb.Result);
Assert.Null(downloadCb.Frame);
Assert.NotNull(downloadCb.Audio);
Assert.Equal((int)(sampleCount * 4), downloadCb.Audio.GetSize());
byte[] sdkBytes = MediaPoolUtil.GetSdkAudioBytes(downloadCb.Audio);
// TODO - this needs a better rule that can be properly exposed via the lib
byte[] flippedBytes = pidCmd.Model >= ModelId.PS4K
? MediaPoolUtil.FlipAudio(bytes)
: bytes;
Assert.Equal(BitConverter.ToString(flippedBytes), BitConverter.ToString(sdkBytes));
helper.SendAndWaitForChange(stateBefore, () =>
{
clip.Unlock(cb);
});
}
});
}
public bool TryExecute(string key, int timeoutMs, LockCallback success)
{
return(TryExecuteAsync(key, timeoutMs, delegate() { success(); return Task.FromResult(false); }).Result);
}
public void SyncLock(string message, LockCallback callback, object state)
{
if(callback == null)
throw new ArgumentNullException("callback");
locked = true;
if(FreeCL.UI.Application.MainForm != null)
{
FreeCL.Forms.LockedGuiForm.SyncStart(
message,
new FreeCL.Forms.LockCallback(SyncLockCallback),
new LockCallbackData(callback, state));
}
else
{
callback(state);
}
locked = false;
}
/// <summary>
/// Attempts to execute the 'success' callback inside a lock based on 'key'. If successful, returns true.
/// If the lock cannot be acquired within 'timoutMs', returns false
/// In a worst-case scenario, it could take up to twice as long as 'timeoutMs' to return false.
/// </summary>
/// <param name="key"></param>
/// <param name="success"></param>
/// <param name="failure"></param>
/// <param name="timeoutMs"></param>
public bool TryExecute(string key, int timeoutMs, LockCallback success)
{
//Record when we started. We don't want an infinite loop.
DateTime startedAt = DateTime.UtcNow;
// Tracks whether the lock acquired is still correct
bool validLock = true;
// The lock corresponding to 'key'
object itemLock = null;
try {
//We have to loop until we get a valid lock and it stays valid until we lock it.
do
{
// 1) Creation/aquire phase
lock (createLock) {
// We have to lock on dictionary writes, since otherwise
// two locks for the same file could be created and assigned
// at the same time. (i.e, between TryGetValue and the assignment)
if (!locks.TryGetValue(key, out itemLock))
{
locks[key] = itemLock = new Object(); //make a new lock!
}
}
// Loophole (part 1):
// Right here - this is where another thread (executing part 2) could remove 'itemLock'
// from the dictionary, and potentially, yet another thread could
// insert a new value for 'itemLock' into the dictionary... etc, etc..
// 2) Execute phase
if (System.Threading.Monitor.TryEnter(itemLock, timeoutMs))
{
try {
// May take minutes to acquire this lock.
// Trying to detect an occurence of loophole above
// Check that itemLock still exists and matches the dictionary
lock (createLock) {
object newLock = null;
validLock = locks.TryGetValue(key, out newLock);
validLock = validLock && newLock == itemLock;
}
// Only run the callback if the lock is valid
if (validLock)
{
success(); // Extremely long-running callback, perhaps throwing exceptions
return(true);
}
} finally {
System.Threading.Monitor.Exit(itemLock);//release lock
}
}
else
{
validLock = false; //So the finally clause doesn't try to clean up the lock, someone else will do that.
return(false); //Someone else had the lock, they can clean it up.
}
//Are we out of time, still having an invalid lock?
if (!validLock && Math.Abs(DateTime.UtcNow.Subtract(startedAt).TotalMilliseconds) > timeoutMs)
{
//We failed to get a valid lock in time.
return(false);
}
// If we had an invalid lock, we have to try everything over again.
} while (!validLock);
} finally {
if (validLock)
{
// Loophole (part 2). When loophole part 1 and 2 cross paths,
// An lock object may be removed before being used, and be orphaned
// 3) Cleanup phase - Attempt cleanup of lock objects so we don't
// have a *very* large and slow dictionary.
lock (createLock) {
// TryEnter() fails instead of waiting.
// A normal lock would cause a deadlock with phase 2.
// Specifying a timeout would add great and pointless overhead.
// Whoever has the lock will clean it up also.
if (System.Threading.Monitor.TryEnter(itemLock))
{
try {
// It succeeds, so no-one else is working on it
// (but may be preparing to, see loophole)
// Only remove the lock object if it
// still exists in the dictionary as-is
object existingLock = null;
if (locks.TryGetValue(key, out existingLock) &&
existingLock == itemLock)
{
locks.Remove(key);
}
} finally {
// Remove the lock
System.Threading.Monitor.Exit(itemLock);
}
}
}
}
}
// Ideally the only objects in 'locks' will be open operations now.
return(true);
}
public LockCallbackData(LockCallback callBack, object state)
{
Callback = callBack;
State = state;
}
/// <summary>
/// Attempts to execute the 'success' callback inside a lock based on 'key'. If successful, returns true.
/// If the lock cannot be acquired within 'timoutMs', returns false
/// In a worst-case scenario, it could take up to twice as long as 'timeoutMs' to return false.
/// </summary>
/// <param name="key"></param>
/// <param name="success"></param>
/// <param name="failure"></param>
/// <param name="timeoutMs"></param>
public bool TryExecute(string key, int timeoutMs, LockCallback success)
{
//Record when we started. We don't want an infinite loop.
DateTime startedAt = DateTime.UtcNow;
// Tracks whether the lock acquired is still correct
bool validLock = true;
// The lock corresponding to 'key'
object itemLock = null;
try {
//We have to loop until we get a valid lock and it stays valid until we lock it.
do {
// 1) Creation/aquire phase
lock (createLock) {
// We have to lock on dictionary writes, since otherwise
// two locks for the same file could be created and assigned
// at the same time. (i.e, between TryGetValue and the assignment)
if (!locks.TryGetValue(key, out itemLock))
locks[key] = itemLock = new Object(); //make a new lock!
}
// Loophole (part 1):
// Right here - this is where another thread (executing part 2) could remove 'itemLock'
// from the dictionary, and potentially, yet another thread could
// insert a new value for 'itemLock' into the dictionary... etc, etc..
// 2) Execute phase
if (System.Threading.Monitor.TryEnter(itemLock, timeoutMs)) {
try {
// May take minutes to acquire this lock.
// Trying to detect an occurence of loophole above
// Check that itemLock still exists and matches the dictionary
lock (createLock) {
object newLock = null;
validLock = locks.TryGetValue(key, out newLock);
validLock = validLock && newLock == itemLock;
}
// Only run the callback if the lock is valid
if (validLock) {
success(); // Extremely long-running callback, perhaps throwing exceptions
return true;
}
} finally {
System.Threading.Monitor.Exit(itemLock);//release lock
}
} else {
validLock = false; //So the finally clause doesn't try to clean up the lock, someone else will do that.
return false; //Someone else had the lock, they can clean it up.
}
//Are we out of time, still having an invalid lock?
if (!validLock && Math.Abs(DateTime.UtcNow.Subtract(startedAt).TotalMilliseconds) > timeoutMs) {
//We failed to get a valid lock in time.
return false;
}
// If we had an invalid lock, we have to try everything over again.
} while (!validLock);
} finally {
if (validLock) {
// Loophole (part 2). When loophole part 1 and 2 cross paths,
// An lock object may be removed before being used, and be orphaned
// 3) Cleanup phase - Attempt cleanup of lock objects so we don't
// have a *very* large and slow dictionary.
lock (createLock) {
// TryEnter() fails instead of waiting.
// A normal lock would cause a deadlock with phase 2.
// Specifying a timeout would add great and pointless overhead.
// Whoever has the lock will clean it up also.
if (System.Threading.Monitor.TryEnter(itemLock)) {
try {
// It succeeds, so no-one else is working on it
// (but may be preparing to, see loophole)
// Only remove the lock object if it
// still exists in the dictionary as-is
object existingLock = null;
if (locks.TryGetValue(key, out existingLock)
&& existingLock == itemLock)
locks.Remove(key);
} finally {
// Remove the lock
System.Threading.Monitor.Exit(itemLock);
}
}
}
}
}
// Ideally the only objects in 'locks' will be open operations now.
return true;
}
