init

1 files changed, 29 insertions, 0 deletions

diff --git a/ar/.local/bin/statusbar/sb-nettraf b/ar/.local/bin/statusbar/sb-nettraf
new file mode 100755
index 0000000..7bba320
--- /dev/null
+++ b/ar/.local/bin/statusbar/sb-nettraf
@@ -0,0 +1,29 @@
+#!/bin/sh
+
+# Module showing network traffic. Shows how much data has been received (RX) or
+# transmitted (TX) since the previous time this script ran. So if run every
+# second, gives network traffic per second.
+
+case $BLOCK_BUTTON in
+1) setsid -f "$TERMINAL" -e bmon ;;
+3) notify-send "🌐 Network traffic module" "🔻: Traffic received
+🔺: Traffic transmitted" ;;
+6) setsid -f "$TERMINAL" -e "$EDITOR" "$0" ;;
+esac
+
+update() {
+  sum=0
+  for arg; do
+    read -r i <"$arg"
+    sum=$((sum + i))
+  done
+  cache=/tmp/${1##*/}
+  [ -f "$cache" ] && read -r old <"$cache" || old=0
+  printf %d\\n "$sum" >"$cache"
+  printf %d\\n $((sum - old))
+}
+
+rx=$(update /sys/class/net/[ew]*/statistics/rx_bytes)
+tx=$(update /sys/class/net/[ew]*/statistics/tx_bytes)
+
+printf "🔻%4sB 🔺%4sB\\n" $(numfmt --to=iec $rx $tx)