From: Constantin Kaplinsky <const@tightvnc.com>
Date: Thu, 16 Feb 2006 16:44:50 +0000 (+0000)
Subject: Improved the interface of the PollingScheduler class, added some
X-Git-Tag: v0.0.90~384^2~341
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=e47123eea2741a20104b70497fa47b576a0e5aff;p=tigervnc.git

Improved the interface of the PollingScheduler class, added some
documentation in comments.


git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@494 3789f03b-4d11-0410-bbf8-ca57d06f2519
---

diff --git a/x0vncserver/PollingScheduler.cxx b/x0vncserver/PollingScheduler.cxx
index 2d284916..ee315967 100644
--- a/x0vncserver/PollingScheduler.cxx
+++ b/x0vncserver/PollingScheduler.cxx
@@ -17,7 +17,7 @@
  */
 
 //
-// PollingScheduler.cxx
+// PollingScheduler class implementation.
 //
 
 #include <x0vncserver/PollingScheduler.h>
@@ -58,3 +58,7 @@ int PollingScheduler::millisRemaining() const
   return (m_interval - elapsed);
 }
 
+bool PollingScheduler::goodTimeToPoll() const
+{
+  return (millisRemaining() == 0);
+}
diff --git a/x0vncserver/PollingScheduler.h b/x0vncserver/PollingScheduler.h
index 777a6650..ba7b27dd 100644
--- a/x0vncserver/PollingScheduler.h
+++ b/x0vncserver/PollingScheduler.h
@@ -17,7 +17,10 @@
  */
 
 //
-// PollingScheduler.h
+// PollingScheduler class. It is used for deciding when to start new
+// polling pass, and how much time it is ok to wait before starting. 
+// PollingScheduler is provided a desired polling interval and watches
+// for actual intervals between past polling cycles.
 //
 
 #ifndef __POLLINGSCHEDULER_H__
@@ -43,6 +46,9 @@ public:
   // This function estimates time remaining before new polling pass.
   int millisRemaining() const;
 
+  // This function tells if it's ok to start polling pass right now.
+  bool goodTimeToPoll() const;
+
 protected:
 
   bool initialState;
diff --git a/x0vncserver/x0vncserver.cxx b/x0vncserver/x0vncserver.cxx
index 27c130a4..d179d943 100644
--- a/x0vncserver/x0vncserver.cxx
+++ b/x0vncserver/x0vncserver.cxx
@@ -485,7 +485,7 @@ int main(int argc, char** argv)
 
       server.checkTimeouts();
 
-      if (sched.millisRemaining() <= 0) {
+      if (sched.goodTimeToPoll()) {
         adjustPollingCycle(&dynPollingCycle, &cpumon);
         sched.setInterval(dynPollingCycle);
         sched.newPass();