coja
a700e23e0a
Mirrors the private dots tree at 900bdda: one shared base plus per-host overlays, replacing the old flat .config/ layout (last synced 2026-06-28). - packages: common/ gui/ wm/ lw/ fl/ + install.sh and bin/ tooling (dotsync, reconcile-hyde.sh) - new README (layout, deploy order, HyDE dependency), plus ToDo.md and HYDE-UPDATE.md - current HyDE waybar rig (layouts/, cava), pi agent extensions, claude/ config, tmux, presenterm, aichat roles - drops stale duplicates and generated cruft that should never have been tracked: the second top-level .pi/ copy, btop.log, zellij config.kdl.bak, fish_variables, nvim codecompanion.lua - .pi/agent/auth.json is gitignored now; auth.json.example ships instead - fl/ and wm/ hypr themes/ stay untracked (HyDE-generated per machine, per the root .gitignore)
61 lines
2.4 KiB
Bash
Executable File
61 lines
2.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Network throughput from /proc/net/dev (sum of all non-lo interfaces), averaged
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# over the interval between status refreshes — no blocking sleep.
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#
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# Usage: net.sh dl -> " 1.2M" (download icon U+F019 + rate)
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# net.sh ul -> " 45K" (upload icon U+F093 + rate)
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#
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# tmux calls both from status-right. A short (<3s) cache lets the two calls of a
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# single refresh share one computation, so the up/down figures are consistent and
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# only one of them re-samples the counters per refresh.
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which=${1:-dl}
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rt="${XDG_RUNTIME_DIR:-/tmp}"
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ctr="$rt/tmux_net_ctr" # previous counters: rx tx epoch.ns
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cache="$rt/tmux_net_cache" # computed rates: dl_rate ul_rate epoch_s
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emit() { # emit <icon-printf-escape> <rate>
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printf "$1 %s" "$2"
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}
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# Reuse a fresh cache so dl and ul agree and we only sample once per refresh.
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fresh_emit() { # print from the cache and exit — if the cache is fresh enough
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[ -r "$cache" ] || return 1
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read -r cdl cul cts < "$cache"
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{ [ -n "$cts" ] && [ "$(( $(date +%s) - cts ))" -lt 3 ]; } || return 1
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if [ "$which" = ul ]; then emit '\U0000f093' "$cul"; else emit '\U0000f019' "$cdl"; fi
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exit 0
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}
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fresh_emit
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# tmux launches the dl and ul jobs CONCURRENTLY each refresh, so without a lock
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# both miss the stale cache and compute independently — worst case the loser reads
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# the counters milliseconds after the winner rewrote them and shows a ~0 rate.
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# Serialize: the loser waits ~30ms on the lock, then hits the winner's fresh cache.
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exec 9>"$rt/tmux_net_lock"
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flock 9
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fresh_emit
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now=$(date +%s.%N)
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read -r rx tx < <(awk 'NR>2{gsub(/:/," "); if($1!="lo"){r+=$2; t+=$10}} END{print r+0, t+0}' /proc/net/dev)
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drx=0; dtx=0; dt=1
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if [ -r "$ctr" ]; then
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read -r prx ptx pnow < "$ctr"
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dt=$(awk -v a="$now" -v b="$pnow" 'BEGIN{d=a-b; print (d>0.05)?d:1}')
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drx=$(( rx - prx )); dtx=$(( tx - ptx ))
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[ "$drx" -lt 0 ] && drx=0
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[ "$dtx" -lt 0 ] && dtx=0
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fi
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printf '%s %s %s\n' "$rx" "$tx" "$now" > "$ctr"
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human() { awk -v b="$1" 'BEGIN{ split("B K M G T", u, " "); i=1;
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while (b >= 1024 && i < 5) { b /= 1024; i++ }
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if (i == 1) printf "%d%s", b, u[i]; else printf "%.1f%s", b, u[i] }'; }
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dl=$(human "$(awk -v x="$drx" -v d="$dt" 'BEGIN{printf "%d", x/d}')")
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ul=$(human "$(awk -v x="$dtx" -v d="$dt" 'BEGIN{printf "%d", x/d}')")
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printf '%s %s %s\n' "$dl" "$ul" "$(date +%s)" > "$cache"
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if [ "$which" = ul ]; then emit '\U0000f093' "$ul"; else emit '\U0000f019' "$dl"; fi
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