buildScanWindow() - /usr/sbin/wag-profiles.sh - puppylinux

# lines 1805 to 1867 of wag-profiles.sh
# http://www.pearltrees.com/s243a/buildscanwindow-puppylinux/id16473165
# $1 might be "retry", to let us know we've already tried once...
buildScanWindow()
{
    SCANWINDOW_BUTTONS=""
    (
        #ifconfig "$INTERFACE" up
        #cleanUpInterface "$INTERFACE" >> $DEBUG_OUTPUT 2>&1
        #  Dougal: use files for the scan results, so we can try a few times
        #+ and see which is biggest (sometimes not all networks show)
        rm /tmp/net-setup_scan*.tmp >/dev/null 2>&1
        iwlist "$INTERFACE" scan >/tmp/net-setup_scan1.tmp 2>>$DEBUG_OUTPUT
        echo "X"

        #SCANALL=$(iwlist "$INTERFACE" scan 2>>$DEBUG_OUTPUT)
        sleep 1
        iwlist "$INTERFACE" scan >/tmp/net-setup_scan2.tmp 2>>$DEBUG_OUTPUT
        echo "X"
        ScanListFile=$(du -b /tmp/net-setup_scan*.tmp |sort -n | tail -n1 |cut -f2)
        # Dougal: if nothing found, try again!
        # (put the retry here, so progress is more even in bar...)
        #case "$SCANALL" in *'No scan results'*)
        #if grep -Fq 'No scan results' $ScanListFile ; then
        #  sleep 1
          #SCANALL=$(iwlist "$INTERFACE" scan 2>>$DEBUG_OUTPUT)
        #  iwlist "$INTERFACE" scan >/tmp/net-setup_scan3.tmp 2>>$DEBUG_OUTPUT
        #  ScanListFile="/tmp/net-setup_scan3.tmp"
          #;;
        #esac
        #fi
        #SCAN_LIST=$(echo "$SCANALL" | grep 'Cell\|ESSID\|Mode\|Frequency\|Quality\|Encryption\|Channel\|IE:\|Extra:')
        #echo "$SCAN_LIST" > /tmp/net-setup_scanlist
        echo "$ScanListFile" > /tmp/net-setup_scanlistfile
        CELL_LIST=$(grep -Eo "Cell [0-9]+" $ScanListFile | cut -f2 -d " ")
        #if [ -z "$SCAN_LIST" ]; then
        if [ -z "$CELL_LIST" ]; then
            # Dougal: a little awkward... want to give an option to reset pcmcia card
            FI_DRIVER=$(readlink /sys/class/net/$INTERFACE/device/driver)
            if [ "$1" = "retry" ] ; then # we're on the second try already
                createNoNetworksDialog
                #echo "Xdialog --left --title \"Puppy Network Wizard:\" --msgbox \"No networks detected\" 0 0 " > /tmp/net-setup_scanwindow
            elif [ -n "$IsPCMCIA" ] ; then
                createRetryPCMCIAScanDialog
            else
                createRetryScanDialog
            fi
        else
            # give each Cell its own button
            #CELL_LIST=$(echo "$SCAN_LIST" | grep -Eo "Cell [0-9]+" | cut -f2 -d " ")
            for CELL in $CELL_LIST ; do
                #getCellParameters $CELL
                Get_Cell_Parameters $CELL
                [ -z "$CELL_ESSID" ] && CELL_ESSID="(hidden ESSID)"
                SCANWINDOW_BUTTONS="$SCANWINDOW_BUTTONS \"$CELL\" \"$CELL_ESSID (${CELL_MODE}; ${L_SCANWINDOW_Encryption}$CELL_ENC_TYPE)\" off \"${L_SCANWINDOW_Channel}${CELL_CHANNEL}; ${L_SCANWINDOW_Frequency}${CELL_FREQ}; ${L_SCANWINDOW_AP_MAC}${CELL_AP_MAC};
${L_SCANWINDOW_Strength}${CELL_QUALITY}\""
            done
            echo "Xdialog --left --item-help --stdout --title \"$L_TITLE_Puppy_Network_Wizard\" --radiolist \"$L_TEXT_Scanwindow\"  20 60 4  \
    ${SCANWINDOW_BUTTONS} 2> /dev/null" > /tmp/net-setup_scanwindow
        fi
        echo "X"
    )  | gtkdialog3 --program=NETWIZ_Scan_Progress_Dialog >/dev/null
    clean_up_gtkdialog NETWIZ_Scan_Progress_Dialog

    #Xdialog --title "Puppy Ethernet Wizard" --progress "Scanning wireless networks" 0 0 3

    #SCAN_LIST="$(cat /tmp/net-setup_scanlist)"
    read ScanListFile < /tmp/net-setup_scanlistfile
    # run ifconfig down/up, as apparently it is needed for actually configuring to work properly...
    ifconfig "$INTERFACE" down
    ifconfig "$INTERFACE" up
} #end of buildScanWindow