add dialog based download script to preboot-scripts

git-svn-id: http://svn.openslx.org/svn/openslx/openslx/trunk@2946 95ad53e4-c205-0410-b2fa-d234c58c8868

1 files changed, 81 insertions, 0 deletions

diff --git a/boot-env/preboot/preboot-scripts/dialog.functions b/boot-env/preboot/preboot-scripts/dialog.functions
new file mode 100644
index 00000000..a9e76bdd
--- /dev/null
+++ b/boot-env/preboot/preboot-scripts/dialog.functions
@@ -0,0 +1,81 @@
+# Copyright (c) 2009 - OpenSLX GmbH
+#
+# This program is free software distributed under the GPL version 2.
+# See http://openslx.org/COPYING
+#
+# If you have any feedback please consult http://openslx.org/feedback and
+# send your suggestions, praise, or complaints to feedback@openslx.org
+#
+# General information about OpenSLX can be found at http://openslx.org/
+# -----------------------------------------------------------------------------
+# dialog.functions
+#   provides shell scripts for dialog handling
+# -----------------------------------------------------------------------------
+
+# set -x
+
+if [ "x" == "x$DIALOG_HEIGHT" ]; then
+    DIALOG_HEIGHT="10"
+fi
+
+if [ "x" == "x$DIALOG_WIDTH" ]; then
+   DIALOG_WIDTH="40"
+fi
+
+_ddownload_checkpercentage () {
+  local lf=$1
+  percentage=$(tail -n 5 $lf | sed 's/\.//g' | awk '{print $2}'| sed -n "s/%//p"| tail -n 1)
+  return $percentage
+}
+
+ddownload () {
+    local dl_url=$1
+    local dl_titel=$2
+    local dl_outfile=$3
+    local dl_logfile=$4
+
+    local dl_server=$(dirname $dl_url)
+    local dl_file=$(basename $dl_url)
+
+    local dl_count
+
+    if [ "x" == "x$dl_logfile" ]; then
+        dl_logfile="/tmp/logfile.$$"
+    fi
+
+    if [ "x" == "x$dl_outfile" ]; then
+        dl_outfile="$dl_file"
+    fi
+
+    if [ "x" == "x$dl_title" ]; then
+        dl_title="Downloading $dl_file .."
+    fi
+    
+    if [ -f "$dl_logfile" ]; then
+        rm $dl_logfile
+    fi
+
+    # start wget in background
+    wget -v -b $dl_url -o "$dl_logfile" -O $dl_outfile
+    
+    sleep 0.1;
+    _ddownload_checkpercentage "$dl_logfile"
+    
+    dl_count=$?
+
+    while [ $dl_count -le 99 ];
+    do
+        echo $dl_count |dialog --gauge "$dl_title" $DIALOG_HEIGHT $DIALOG_WIDTH
+        sleep 0.5
+        _ddownload_checkpercentage "$dl_logfile"
+        dl_count=$?
+    done
+    
+    local finished=0
+    while [ ! $finished ]; do
+        finished=$(tail -n 4 $dl_logfile | grep -c "$dl_file");
+    done
+ 
+    echo 100 | dialog  --gauge "$dl_title" $DIALOG_HEIGHT $DIALOG_WIDTH;
+    
+}