mirror of
https://github.com/kuhyx/testsAndMisc.git
synced 2026-07-04 15:03:01 +02:00
Krzysztof kuhy Rudnicki
04c132c9a4
git-subtree-dir: linux_configuration git-subtree-mainline:11427631cdgit-subtree-split:0762e3d07b
89 lines
2.3 KiB
Bash
Executable File
89 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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# Function to detect all active network interfaces
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detect_interfaces() {
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local iface_path iface state
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for iface_path in /sys/class/net/*; do
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iface=$(basename "$iface_path")
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if [[ $iface == "lo" || ! -d "/sys/class/net/$iface" ]]; then
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continue
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fi
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if [[ -r "/sys/class/net/$iface/operstate" ]]; then
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state=$(< "/sys/class/net/$iface/operstate")
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if [[ $state == "up" ]]; then
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printf '%s\n' "$iface"
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fi
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fi
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done
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}
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# Detect all active network interfaces
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mapfile -t interfaces < <(detect_interfaces)
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# If no active interfaces are found, exit
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if [ "${#interfaces[@]}" -eq 0 ]; then
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echo "No active network interfaces found"
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exit 1
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fi
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# Initialize total RX and TX bytes
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total_rx_now=0
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total_tx_now=0
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# Initialize last recorded RX and TX bytes
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total_last_rx=0
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total_last_tx=0
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# Initialize time variables
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current_time=$(date +%s)
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last_time=$current_time
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# Iterate over each interface and accumulate RX and TX bytes
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for interface in "${interfaces[@]}"; do
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rx_path="/sys/class/net/$interface/statistics/rx_bytes"
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tx_path="/sys/class/net/$interface/statistics/tx_bytes"
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if ! read -r rx_now < "$rx_path"; then
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rx_now=0
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fi
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if ! read -r tx_now < "$tx_path"; then
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tx_now=0
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fi
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state_file="/tmp/network_monitor_$interface"
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if [ -f "$state_file" ]; then
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read -r last_rx last_tx last_time < "$state_file"
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else
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last_rx=$rx_now
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last_tx=$tx_now
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fi
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total_rx_now=$((total_rx_now + rx_now))
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total_tx_now=$((total_tx_now + tx_now))
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total_last_rx=$((total_last_rx + last_rx))
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total_last_tx=$((total_last_tx + last_tx))
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# Save current RX and TX bytes for the next check
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echo "$rx_now $tx_now $current_time" > "$state_file"
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done
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# Calculate time difference
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time_diff=$((current_time - last_time))
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# Calculate total download and upload speeds in bytes per second
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if ((time_diff > 0)); then
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total_rx_rate=$(((total_rx_now - total_last_rx) / time_diff))
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total_tx_rate=$(((total_tx_now - total_last_tx) / time_diff))
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else
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total_rx_rate=0
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total_tx_rate=0
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fi
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# Convert speeds to human-readable format
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rx_rate_human=$(numfmt --to=iec --suffix=B/s --padding=8 "$total_rx_rate")
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tx_rate_human=$(numfmt --to=iec --suffix=B/s --padding=8 "$total_tx_rate")
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# Store the result of printf into a string and echo it
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printf " %s %s\n" "$rx_rate_human" "$tx_rate_human"
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echo "#50FA7B"
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