public void Update()
{
switch (frameReceiverStatus)
{
case FrameReceiverStatus.ToStart:
indicator.color = Color.red;
RequestAndGetData();
break;
case FrameReceiverStatus.ToDefer:
indicator.color = Color.red;
frameReceiverStatus = FrameReceiverStatus.Defered;
Invoke("RequestAndGetData", timeToDeferFailedConnections);
break;
case FrameReceiverStatus.Defered:
break;
case FrameReceiverStatus.WaitingForConnection:
break;
case FrameReceiverStatus.Looping:
indicator.color = Color.green;
frameMaterial.mainTexture = textureToLoad;
break;
default:
break;
}
if (qTextureData.Count > 0)
{
textureToLoad.LoadImage(qTextureData.Dequeue());
textureToLoad.Apply();
VideoTick();
}
RenderTick();
var renderDeltaTime = GetRenderDeltaTime();
if (renderFPS != null)
{
renderFPS.text = string.Format("Render: {0:0.0} ms ({1:0.} fps)", renderDeltaTime, 1000.0f / renderDeltaTime);
}
var videoDeltaTime = GetVideoDeltaTime();
if (videoFPS != null)
{
videoFPS.text = string.Format("Video: {0:0.0} ms ({1:0.} fps)", videoDeltaTime, 1000.0f / videoDeltaTime);
}
}
/// <summary>
/// Connects to the server and requests data.
/// </summary>
private void ConnectListener()
{
if (frameReceiverStatus == FrameReceiverStatus.WaitingForConnection ||
frameReceiverStatus == FrameReceiverStatus.ToDefer ||
frameReceiverStatus == FrameReceiverStatus.Looping)
{
Debug.Log(TAG + ": ConnectListener() not supported at current status");
return;
}
frameReceiverStatus = FrameReceiverStatus.WaitingForConnection;
Debug.Log(TAG + ": Connecting to " + serverIP);
HostName networkHost = new HostName(serverIP);
networkConnection = new StreamSocket();
IAsyncAction outstandingAction = networkConnection.ConnectAsync(networkHost, connectionPort.ToString());
AsyncActionCompletedHandler aach = new AsyncActionCompletedHandler(RcvNetworkConnectedHandler);
outstandingAction.Completed = aach;
}
/// <summary>
/// When a connection to the server is established and we can start reading the data, this will be called.
/// </summary>
/// <param name="asyncInfo">Info about the connection.</param>
/// <param name="status">Status of the connection</param>
private void RcvNetworkConnectedHandler(IAsyncAction asyncInfo, AsyncStatus status)
{
try {
// Status completed is successful.
if (status == AsyncStatus.Completed)
{
DataReader networkDataReader;
DataReaderLoadOperation drlo;
// Since we are connected, we can read the data being sent to us.
using (networkDataReader = new DataReader(networkConnection.InputStream)) {
// read four bytes to get the size.
frameReceiverStatus = FrameReceiverStatus.Looping;
while (true)
{
drlo = networkDataReader.LoadAsync(4);
while (drlo.Status == AsyncStatus.Started)
{
// just waiting.
}
int dataSize = networkDataReader.ReadInt32();
if (dataSize < 0)
{
Debug.Log(TAG + ": Super bad super big datasize");
}
// Need to allocate a new buffer with the dataSize.
byte[] mostRecentDataBuffer = new byte[dataSize];
// Read the data.
drlo = networkDataReader.LoadAsync((uint)dataSize);
while (drlo.Status == AsyncStatus.Started)
{
// just waiting.
}
networkDataReader.ReadBytes(mostRecentDataBuffer);
Debug.Log(TAG + ": Image received with " + dataSize.ToString() + " bytes");
qTextureData.Enqueue(mostRecentDataBuffer);
if (qTextureData.Count > 1)
{
qTextureData.Dequeue();
}
}
}
networkConnection.Dispose();
frameReceiverStatus = FrameReceiverStatus.ToStart;
}
else
{
Debug.Log(TAG + ": Failed to establish connection for rcv. Error Code:\n" + asyncInfo.ErrorCode);
// In the failure case we'll requeue the data and wait before trying again.
networkConnection.Dispose();
frameReceiverStatus = FrameReceiverStatus.ToDefer;
}
}
catch (Exception e) {
networkConnection.Dispose();
frameReceiverStatus = FrameReceiverStatus.ToDefer;
Debug.Log(TAG + ": error caught, network disposed, waiting for new connection\n" + e);
}
}
