mirror of
https://github.com/tmux-plugins/tmux-cpu.git
synced 2026-09-10 07:16:16 -04:00
f609bed961
This was causing some values to be repeated more than once when using multiple tmux windows at the same time, for example for the RAM percentage in ram_percentage.sh. GitHub: fixes #62
153 lines
2.9 KiB
Bash
153 lines
2.9 KiB
Bash
#!/usr/bin/env bash
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export LANG=C
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export LC_ALL=C
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get_tmux_option() {
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local option
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local default_value
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local option_value
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option="$1"
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default_value="$2"
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option_value="$(tmux show-option -qv "$option")"
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if [ -z "$option_value" ]; then
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option_value="$(tmux show-option -gqv "$option")"
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fi
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if [ -z "$option_value" ]; then
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echo "$default_value"
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else
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echo "$option_value"
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fi
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}
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is_osx() {
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[ "$(uname)" == "Darwin" ]
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}
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is_freebsd() {
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[ "$(uname)" == "FreeBSD" ]
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}
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is_openbsd() {
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[ "$(uname)" == "OpenBSD" ]
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}
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is_linux() {
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[ "$(uname)" == "Linux" ]
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}
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is_cygwin() {
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command -v WMIC &>/dev/null
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}
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is_linux_iostat() {
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# Bug in early versions of linux iostat -V return error code
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iostat -c &>/dev/null
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}
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# is second float bigger or equal?
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fcomp() {
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awk -v n1="$1" -v n2="$2" 'BEGIN {if (n1<=n2) exit 0; exit 1}'
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}
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load_status() {
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local percentage=$1
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local prefix=$2
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medium_thresh=$(get_tmux_option "@${prefix}_medium_thresh" "30")
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high_thresh=$(get_tmux_option "@${prefix}_high_thresh" "80")
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if fcomp "$high_thresh" "$percentage"; then
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echo "high"
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elif fcomp "$medium_thresh" "$percentage" && fcomp "$percentage" "$high_thresh"; then
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echo "medium"
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else
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echo "low"
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fi
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}
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temp_status() {
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local temp
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temp=$1
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cpu_temp_medium_thresh=$(get_tmux_option "@cpu_temp_medium_thresh" "80")
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cpu_temp_high_thresh=$(get_tmux_option "@cpu_temp_high_thresh" "90")
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if fcomp "$cpu_temp_high_thresh" "$temp"; then
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echo "high"
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elif fcomp "$cpu_temp_medium_thresh" "$temp" && fcomp "$temp" "$cpu_temp_high_thresh"; then
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echo "medium"
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else
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echo "low"
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fi
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}
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cpus_number() {
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if is_linux; then
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if command_exists "nproc"; then
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nproc
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else
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echo "$(($(sed -n 's/^processor.*:\s*\([0-9]\+\)/\1/p' /proc/cpuinfo | tail -n 1) + 1))"
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fi
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else
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sysctl -n hw.ncpu
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fi
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}
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command_exists() {
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local command
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command="$1"
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command -v "$command" &>/dev/null
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}
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get_tmp_dir() {
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local tmpdir
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tmpdir="${TMPDIR:-${TMP:-${TEMP:-/tmp}}}"
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[ -d "$tmpdir" ] || local tmpdir=~/tmp
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echo "$tmpdir/tmux-$EUID-cpu"
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}
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get_time() {
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date +%s.%N
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}
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get_cache_val() {
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local key
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local timeout
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local cache
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key="$1"
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# seconds after which cache is invalidated
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timeout="${2:-2}"
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cache="$(get_tmp_dir)/$key"
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if [ -f "$cache" ]; then
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awk -v cache="$(head -n1 "$cache")" -v timeout="$timeout" -v now="$(get_time)" \
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'BEGIN {if (now - timeout < cache) exit 0; exit 1}' &&
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tail -n+2 "$cache"
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fi
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}
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put_cache_val() {
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local key
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local val
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local tmpdir
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key="$1"
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val="${*:2}"
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tmpdir="$(get_tmp_dir)"
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[ ! -d "$tmpdir" ] && mkdir -p "$tmpdir" && chmod 0700 "$tmpdir"
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(
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get_time
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echo -n "$val"
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) >"$tmpdir/$key"
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echo -n "$val"
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}
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cached_eval() {
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local command
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local key
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local val
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command="$1"
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key="$(basename "$command")"
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val="$(get_cache_val "$key")"
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if [ -z "$val" ]; then
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put_cache_val "$key" "$($command "${@:2}")"
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else
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echo -n "$val"
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fi
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}
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