Initial commit

2026-07-02 15:56:21 +02:00
commit 4529a3c472
92 changed files with 13593 additions and 0 deletions
@@ -0,0 +1,112 @@
+#!/bin/bash
+INTERFACE="br0"
+TEMP_FILE="/tmp/waybar_network_$INTERFACE"
+MAX_AGE=10
+
+# Function to format bytes/s to human readable with max 2 digits
+format_rate() {
+    local rate=$1
+    local unit="K"
+    local value
+    
+    # Convert to KB/s first
+    value=$(( (rate * 10) / 1024 ))
+    
+    # If KB/s would be >= 1000 (100.0K), convert to MB/s
+    if [ $value -ge 1000 ]; then
+        unit="M"
+        value=$(( (rate * 10) / 1048576 ))  # 1024*1024
+        
+        # If MB/s would be >= 1000 (100.0M), convert to GB/s
+        if [ $value -ge 1000 ]; then
+            unit="G"
+            value=$(( (rate * 10) / 1073741824 ))  # 1024*1024*1024
+        fi
+    fi
+    
+    # Split into whole and decimal parts
+    local whole=$((value / 10))
+    local decimal=$((value % 10))
+    
+    # Format with appropriate spacing
+    if [ $whole -lt 10 ]; then
+        printf "%d.%d%s" "$whole" "$decimal" "$unit"
+    else
+        printf "%2d%s" "$whole" "$unit"
+    fi
+}
+
+# Check if interface exists
+if [ ! -d "/sys/class/net/$INTERFACE" ]; then
+    echo '{"text":"󰈀 No Interface","tooltip":"Interface '$INTERFACE' not found"}'
+    exit 1
+fi
+
+# Get current values
+RX_BYTES=$(cat /sys/class/net/$INTERFACE/statistics/rx_bytes)
+TX_BYTES=$(cat /sys/class/net/$INTERFACE/statistics/tx_bytes)
+CURRENT_TIME=$(date +%s)
+
+# Check if temp file exists and is recent
+TEMP_FILE_VALID=0
+if [ -f "$TEMP_FILE" ]; then
+    read PREV_RX PREV_TX PREV_TIME < "$TEMP_FILE"
+    TIME_DIFF=$((CURRENT_TIME - PREV_TIME))
+    
+    # Accept temp file if it's recent (0 seconds is OK, negative or too old is not)
+    if [ $TIME_DIFF -ge 0 ] && [ $TIME_DIFF -le $MAX_AGE ]; then
+        TEMP_FILE_VALID=1
+    fi
+fi
+
+# If no valid temp file, initialize
+if [ $TEMP_FILE_VALID -eq 0 ]; then
+    echo "$RX_BYTES $TX_BYTES $CURRENT_TIME" > "$TEMP_FILE"
+    echo '{"text":"'${INTERFACE}' ↑0.0K ↓0.0K","tooltip":"Upload: 0.0 KB/s\\nDownload: 0.0 KB/s"}'
+    exit 0
+fi
+
+# If TIME_DIFF is 0, return the last calculated result without updating temp file
+if [ $TIME_DIFF -eq 0 ]; then
+    # Try to read cached result from a secondary file
+    CACHE_FILE="/tmp/waybar_network_cache_$INTERFACE"
+    if [ -f "$CACHE_FILE" ]; then
+        cat "$CACHE_FILE"
+        exit 0
+    else
+        # No cache, show 0.0K
+        echo '{"text":"'${INTERFACE}' ↑0.0K ↓0.0K","tooltip":"Upload: 0.0 KB/s\\nDownload: 0.0 KB/s"}'
+        exit 0
+    fi
+fi
+
+# Calculate rates (bytes per second)
+RX_RATE=$(( (RX_BYTES - PREV_RX) / TIME_DIFF ))
+TX_RATE=$(( (TX_BYTES - PREV_TX) / TIME_DIFF ))
+
+# Handle negative values (counter reset) or unrealistic high values
+if [ $RX_RATE -lt 0 ] || [ $RX_RATE -gt 1073741824 ]; then RX_RATE=0; fi
+if [ $TX_RATE -lt 0 ] || [ $TX_RATE -gt 1073741824 ]; then TX_RATE=0; fi
+
+# Format rates with auto-scaling
+TX_FORMATTED=$(format_rate $TX_RATE)
+RX_FORMATTED=$(format_rate $RX_RATE)
+
+# Calculate tooltip values (always in KB/s for consistency)
+RX_KB_TENTHS=$(( (RX_RATE * 10) / 1024 ))
+TX_KB_TENTHS=$(( (TX_RATE * 10) / 1024 ))
+RX_WHOLE=$((RX_KB_TENTHS / 10))
+RX_DECIMAL=$((RX_KB_TENTHS % 10))
+TX_WHOLE=$((TX_KB_TENTHS / 10))
+TX_DECIMAL=$((TX_KB_TENTHS % 10))
+
+# Format output with auto-scaled units
+RESULT=$(printf '{"text":"'${INTERFACE}' ↑%4s ↓%4s","tooltip":"Upload: %d.%d KB/s\\nDownload: %d.%d KB/s"}' \
+    "$TX_FORMATTED" "$RX_FORMATTED" \
+    "$TX_WHOLE" "$TX_DECIMAL" "$RX_WHOLE" "$RX_DECIMAL")
+
+echo "$RESULT"
+
+# Store current values for next iteration AND cache the result
+echo "$RX_BYTES $TX_BYTES $CURRENT_TIME" > "$TEMP_FILE"
+echo "$RESULT" > "/tmp/waybar_network_cache_$INTERFACE"