/// <summary>
/// Add a screenshot request
/// </summary>
/// <param name="clientPID"></param>
/// <param name="screenshotRequest"></param>
/// <param name="responseNotification"></param>
public static void AddScreenshotRequest(Int32 clientPID, ScreenshotRequest screenshotRequest, ScreenshotRequestResponseNotification responseNotification)
{
try
{
if (!HookManager.HookedProcesses.Contains(clientPID))
{
throw new ArgumentException("The client process must be hooked first", "clientPID");
}
if (screenshotRequest == null)
{
throw new ArgumentNullException("screenshotRequest");
}
if (responseNotification == null)
{
throw new ArgumentNullException("responseNotification");
}
lock (_screenshotRequestByClientPID)
{
lock (_screenshotRequestNotifications)
{
_screenshotRequestByClientPID[clientPID] = screenshotRequest;
_screenshotRequestNotifications[clientPID] = responseNotification;
}
}
}
catch
{
}
}
public static ScreenshotResponse GetScreenshotSynchronous(Int32 clientPID, ScreenshotRequest screenshotRequest, TimeSpan timeout)
{
object srLock = new object();
ScreenshotResponse sr = null;
ScreenshotRequestResponseNotification srrn = delegate(Int32 cPID, ResponseStatus status, ScreenshotResponse screenshotResponse)
{
Interlocked.Exchange(ref sr, screenshotResponse);
};
DateTime startRequest = DateTime.Now;
AddScreenshotRequest(clientPID, screenshotRequest, srrn);
// Wait until the response has been returned
while (true)
{
Thread.Sleep(10);
if (sr != null)
{
break;
}
// Break if timed out (will result in a null return value)
if (DateTime.Now - startRequest > timeout)
{
return null;
}
}
return sr;
}
public void newRequest(ScreenshotRequest request)
{
try
{
lock (requestLock)
{
if (request is PauseRequest)
{
paused = true;
}
else if (request is StopRequest)
{
paused = true;
if (frameTarget != null)
{
frameTarget.close();
frameTarget = null;
}
}
else if (request is ResumeRequest)
{
if (frameTarget != null)
{
paused = false;
}
}
else if (request is StreamRequest)
{
StreamRequest streamRequest = (StreamRequest)request;
frameTarget = new FrameServer(streamRequest.Host, streamRequest.Port);
this.captureRect = streamRequest.Region;
this.freq = 1 / streamRequest.Fps;
paused = false;
}
else if (request is CaptureRequest)
{
CaptureRequest captureRequest = (CaptureRequest)request;
frameTarget = new IPCHostSink(ProcessId, request.RequestId, Interface);
this.captureRect = captureRequest.Region;
this.freq = 1 / captureRequest.Fps;
paused = false;
}
}
}
catch (Exception e)
{
paused = true;
if (frameTarget != null)
{
frameTarget.close();
frameTarget = null;
}
ErrorMessage("Exception when processing request" + request + "\n\r" + e);
paused = true;
}
}
public static ScreenshotResponse GetScreenshotSynchronous(Int32 clientPID, ScreenshotRequest screenshotRequest)
{
// 2 second timeout
return GetScreenshotSynchronous(clientPID, screenshotRequest, new TimeSpan(0, 0, 2));
}
public void sendRequest(ScreenshotRequest request)
{
ScreenshotManager.AddScreenshotRequest(hookedProcess.Id, request, notify);
}