public void ReplaceHandler(mdwebcam.Replace replace)
{
_state = replace.Body;
if (_streamPort != null)
{
_streamPort.Post(new Shutdown());
}
try
{
_streamPort = mdwebcam.ReadStream.Create(_state.CaptureFile, Environment.TaskQueue);
}
catch (Exception e)
{
LogError("Unable to open stream file: " + e.Message);
}
replace.ResponsePort.Post(DefaultReplaceResponseType.Instance);
SendNotification(_subMgrPort, replace);
}
/// <summary>
/// Service startup
/// </summary>
protected override void Start()
{
_fwdPort = ServiceForwarder <webcam.WebCamOperations>(ServiceInfo.Service);
_utilitiesPort = DsspHttpUtilitiesService.Create(Environment);
Uri httpAlias = ServiceInfo.HttpServiceAlias;
if (httpAlias != null)
{
_prefix = httpAlias.AbsolutePath;
_alternatePrefixes = AlternateContractServiceInfo.ConvertAll <string>(
delegate(ServiceInfoType alternate)
{
return(alternate.HttpServiceAlias.AbsolutePath);
}
);
}
try
{
_streamPort = mdwebcam.ReadStream.Create(_state.CaptureFile, Environment.TaskQueue);
}
catch (Exception e)
{
LogError("Unable to open stream file: " + e.Message);
base.StartFailed();
return;
}
base.Start();
base.MainPortInterleave.CombineWith(
new Interleave(
new ExclusiveReceiverGroup(
Arbiter.Receive <mdwebcam.Frame>(true, _streamPort, ReadFrameHandler)
),
new ConcurrentReceiverGroup()
)
);
}