1 files changed, 119 insertions, 0 deletions
diff --git a/libvncserver/stats.c b/libvncserver/stats.c
new file mode 100755
index 0000000..931c5d2
--- /dev/null
+++ b/libvncserver/stats.c
@@ -0,0 +1,119 @@
+/*
+ * stats.c
+ */
+
+/*
+ *  Copyright (C) 2002 RealVNC Ltd.
+ *  OSXvnc Copyright (C) 2001 Dan McGuirk <mcguirk@incompleteness.net>.
+ *  Original Xvnc code Copyright (C) 1999 AT&T Laboratories Cambridge.  
+ *  All Rights Reserved.
+ *
+ *  This is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This software is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this software; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ *  USA.
+ */
+
+#include <rfb/rfb.h>
+
+static const char* encNames[] = {
+    "raw", "copyRect", "RRE", "[encoding 3]", "CoRRE", "hextile",
+    "zlib", "tight", "[encoding 8]", "[encoding 9]", "[encoding 10]",
+    "[encoding 11]", "[encoding 12]", "[encoding 13]", "[encoding 14]",
+#ifdef LIBVNCSERVER_BACKCHANNEL
+    "BackChannel",
+#else
+    "[encoding 15]",
+#endif
+    "ZRLE", "[encoding 17]", "[encoding 18]", "[encoding 19]", "[encoding 20]"
+};
+
+
+void
+rfbResetStats(rfbClientPtr cl)
+{
+    int i;
+    for (i = 0; i < MAX_ENCODINGS; i++) {
+        cl->rfbBytesSent[i] = 0;
+        cl->rfbRectanglesSent[i] = 0;
+    }
+    cl->rfbLastRectMarkersSent = 0;
+    cl->rfbLastRectBytesSent = 0;
+    cl->rfbCursorShapeBytesSent = 0;
+    cl->rfbCursorShapeUpdatesSent = 0;
+    cl->rfbCursorPosBytesSent = 0;
+    cl->rfbCursorPosUpdatesSent = 0;
+    cl->rfbFramebufferUpdateMessagesSent = 0;
+    cl->rfbRawBytesEquivalent = 0;
+    cl->rfbKeyEventsRcvd = 0;
+    cl->rfbPointerEventsRcvd = 0;
+}
+
+void
+rfbPrintStats(rfbClientPtr cl)
+{
+    int i;
+    int totalRectanglesSent = 0;
+    int totalBytesSent = 0;
+
+    rfbLog("Statistics:\n");
+
+    if ((cl->rfbKeyEventsRcvd != 0) || (cl->rfbPointerEventsRcvd != 0))
+        rfbLog("  key events received %d, pointer events %d\n",
+                cl->rfbKeyEventsRcvd, cl->rfbPointerEventsRcvd);
+
+    for (i = 0; i < MAX_ENCODINGS; i++) {
+        totalRectanglesSent += cl->rfbRectanglesSent[i];
+        totalBytesSent += cl->rfbBytesSent[i];
+    }
+
+    totalRectanglesSent += (cl->rfbCursorShapeUpdatesSent +
+                            cl->rfbCursorPosUpdatesSent +
+			    cl->rfbLastRectMarkersSent);
+    totalBytesSent += (cl->rfbCursorShapeBytesSent +
+                       cl->rfbCursorPosBytesSent +
+                       cl->rfbLastRectBytesSent);
+
+    rfbLog("  framebuffer updates %d, rectangles %d, bytes %d\n",
+            cl->rfbFramebufferUpdateMessagesSent, totalRectanglesSent,
+            totalBytesSent);
+
+    if (cl->rfbLastRectMarkersSent != 0)
+	rfbLog("    LastRect and NewFBSize markers %d, bytes %d\n",
+		cl->rfbLastRectMarkersSent, cl->rfbLastRectBytesSent);
+
+    if (cl->rfbCursorShapeUpdatesSent != 0)
+	rfbLog("    cursor shape updates %d, bytes %d\n",
+		cl->rfbCursorShapeUpdatesSent, cl->rfbCursorShapeBytesSent);
+
+    if (cl->rfbCursorPosUpdatesSent != 0)
+	rfbLog("    cursor position updates %d, bytes %d\n",
+		cl->rfbCursorPosUpdatesSent, cl->rfbCursorPosBytesSent);
+
+    for (i = 0; i < MAX_ENCODINGS; i++) {
+        if (cl->rfbRectanglesSent[i] != 0)
+            rfbLog("    %s rectangles %d, bytes %d\n",
+                   encNames[i], cl->rfbRectanglesSent[i], cl->rfbBytesSent[i]);
+    }
+
+    if ((totalBytesSent - cl->rfbBytesSent[rfbEncodingCopyRect]) != 0) {
+        rfbLog("  raw bytes equivalent %d, compression ratio %f\n",
+                cl->rfbRawBytesEquivalent,
+                (double)cl->rfbRawBytesEquivalent
+                / (double)(totalBytesSent
+                           - cl->rfbBytesSent[rfbEncodingCopyRect]-
+			   cl->rfbCursorShapeBytesSent -
+                           cl->rfbCursorPosBytesSent -
+			   cl->rfbLastRectBytesSent));
+    }
+}