Import X server from vnc-3.3.7.

[rdpsrv] / Xserver / programs / Xserver / hw / vnc / stats.c

diff --git a/Xserver/programs/Xserver/hw/vnc/stats.c b/Xserver/programs/Xserver/hw/vnc/stats.c
new file mode 100644 (file)
index 0000000..e5baf66
--- /dev/null
+++ b/Xserver/programs/Xserver/hw/vnc/stats.c
@@ -0,0 +1,87 @@
+/*
+ * stats.c
+ */
+
+/*
+ *  Copyright (C) 2002 RealVNC Ltd.
+ *  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 <stdio.h>
+#include <stdlib.h>
+#include "rfb.h"
+
+static char* encNames[] = {
+    "raw", "copyRect", "RRE", "[encoding 3]", "CoRRE", "hextile",
+    "[encoding 6]", "[encoding 7]", "[encoding 8]", "[encoding 9]",
+    "[encoding 10]", "[encoding 11]", "[encoding 12]", "[encoding 13]",
+    "[encoding 14]", "[encoding 15]", "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->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];
+    }
+
+    rfbLog("  framebuffer updates %d, rectangles %d, bytes %d\n",
+           cl->rfbFramebufferUpdateMessagesSent, totalRectanglesSent,
+           totalBytesSent);
+
+    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]));
+    }
+}