Changeset 6568 for vtkvis/trunk/Renderer.cpp

Timestamp:

Nov 3, 2016, 10:57:57 PM (8 years ago)

Author:

ldelgass

Message:

Add optional idle timeout to vtkvis server. Allows server to close connection
and exit after a specified period without commands from the client.

File:

• vtkvis/trunk/Renderer.cpp (modified) (2 diffs)

vtkvis/trunk/Renderer.cpp

@@ -76 +76 @@
     _needsCameraClippingRangeReset(false),
     _needsCameraReset(false),
+    _idleTimeout(-1L),
     _windowWidth(500),
     _windowHeight(500),
@@ -4646 +4647 @@
 
 /**
+ * \brief Get a timeout for select()
+ *
+ * For now, this just returns the idle timeout, if set.
+ *
+ * Potentially, this could be used to set a timeout based on the "unused" frame
+ * time from the previous render based on a target frame rate (and polling if
+ * we broke frame).
+ */
+void Renderer::getTimeout(struct timeval *tv)
+{
+    tv->tv_sec = _idleTimeout;
+    tv->tv_usec = 0L;
+}
+
+/**
  * \brief Cause the rendering to render a new image if needed
  *