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updated gitignore and waybar

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This commit is contained in:
Nils Pukropp
2026-03-13 17:53:30 +01:00
parent d7c1b0e733
commit e8ef6712af
3 changed files with 30 additions and 19 deletions
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21
waybar/scripts/network.sh
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@@ -28,11 +28,16 @@ TX_MBPS="0.00"
# Read previous values if the stats file exists
if [ -f "$STATS_FILE" ]; then
source "$STATS_FILE" # This loads PREV_TIME, PREV_RX_BYTES, PREV_TX_BYTES
# shellcheck source=/dev/null
# Use a lock to ensure we don't source while another instance is writing
{
flock -s 200 || exit 1
source "$STATS_FILE" 2>/dev/null
} 200>"$STATS_FILE.lock"
fi
# Calculate speed if we have previous data and time has passed
if [ -n "$PREV_TIME" ] && [ "$TIME_NOW" -gt "$PREV_TIME" ]; then
if [ -n "$PREV_TIME" ] && [ -n "$PREV_RX_BYTES" ] && [ -n "$PREV_TX_BYTES" ] && [ "$TIME_NOW" -gt "$PREV_TIME" ]; then
TIME_DIFF=$((TIME_NOW - PREV_TIME))
RX_BPS=$(( (RX_BYTES_NOW - PREV_RX_BYTES) / TIME_DIFF ))
@@ -43,10 +48,14 @@ if [ -n "$PREV_TIME" ] && [ "$TIME_NOW" -gt "$PREV_TIME" ]; then
TX_MBPS=$(printf "%.2f" "$(echo "$TX_BPS / 1024 / 1024" | bc -l)")
fi
# Save current values for the next run
echo "PREV_TIME=$TIME_NOW" > "$STATS_FILE"
echo "PREV_RX_BYTES=$RX_BYTES_NOW" >> "$STATS_FILE"
echo "PREV_TX_BYTES=$TX_BYTES_NOW" >> "$STATS_FILE"
# Save current values for the next run safely using a lock
# We use a subshell with flock to ensure atomic updates and prevent race conditions
(
flock -x 200 || exit 1
echo "PREV_TIME=$TIME_NOW" > "$STATS_FILE"
echo "PREV_RX_BYTES=$RX_BYTES_NOW" >> "$STATS_FILE"
echo "PREV_TX_BYTES=$TX_BYTES_NOW" >> "$STATS_FILE"
) 200>"$STATS_FILE.lock"
# Format the main output string
OUTPUT_TEXT="$INTERFACE ($IP_ADDR):  ${RX_MBPS} MB/s  ${TX_MBPS} MB/s"