/// <summary>
/// Request an invocation object prior to setting input/output arguments
/// </summary>
/// <param name="aAction">Action which will be invoked</param>
/// <param name="aCallback">Delegate to run when the action completes</param>
/// <returns>Invocation object, ready to receive input and output arguments</returns>
public Invocation Invocation(OpenHome.Net.Core.Action aAction, CpProxy.CallbackAsyncComplete aCallback)
{
Invocation invocation = new Invocation(this, aAction.Handle(), aCallback);
lock (this)
{
iActiveInvocations.Add(invocation);
}
return(invocation);
}
/// <summary>
/// Constructor. Not intended for external use (use CpService.Invocation instead)
/// </summary>
/// <param name="aService">Service the action is being invoked on</param>
/// <param name="aAction">Handle to the action being invoked</param>
/// <param name="aCallback">Callback to run when the action completes</param>
internal Invocation(CpService aService, IntPtr aAction, CpProxy.CallbackAsyncComplete aCallback)
{
iService = aService;
iInputArgs = new List <Argument>();
iOutputArgs = new List <Argument>();
GCHandle gch = GCHandle.Alloc(this); /* no need to store gch as a member as AsyncComplete is guaranteed
* to be called, even in error cases */
iAsyncComplete = aCallback;
iCallbackAsyncComplete = new CpProxy.CallbackActionComplete(AsyncComplete);
IntPtr ptr = GCHandle.ToIntPtr(gch);
iHandle = CpServiceInvocation(aService.Handle(), aAction, iCallbackAsyncComplete, ptr);
}
/// <summary>
/// Constructor. Not intended for external use (use CpService.Invocation instead)
/// </summary>
/// <param name="aService">Service the action is being invoked on</param>
/// <param name="aAction">Handle to the action being invoked</param>
/// <param name="aCallback">Callback to run when the action completes</param>
internal Invocation(CpService aService, IntPtr aAction, CpProxy.CallbackAsyncComplete aCallback)
{
iService = aService;
iInputArgs = new List<Argument>();
iOutputArgs = new List<Argument>();
GCHandle gch = GCHandle.Alloc(this); /* no need to store gch as a member as AsyncComplete is guaranteed
to be called, even in error cases */
iAsyncComplete = aCallback;
iCallbackAsyncComplete = new CpProxy.CallbackActionComplete(AsyncComplete);
IntPtr ptr = GCHandle.ToIntPtr(gch);
iHandle = CpServiceInvocation(aService.Handle(), aAction, iCallbackAsyncComplete, ptr);
}
protected SyncProxyAction()
{
iAsyncComplete = new CpProxy.CallbackAsyncComplete(CallbackAsyncComplete);
iSem = new Semaphore(0, 1);
}
protected SyncProxyAction()
{
iAsyncComplete = new CpProxy.CallbackAsyncComplete(CallbackAsyncComplete);
iSem = new Semaphore(0, 1);
}
