mirror of
git://f0xx.org/android_cast
synced 2026-07-29 05:37:52 +03:00
9acbdbc433
Net topology: sirene (P2P), spider (MCU), spider net (SFU), pautina (net, mesh), hydra (hybrid), code names
287 lines
9.8 KiB
Bash
287 lines
9.8 KiB
Bash
# wan-deep-diag.sh — parseable deep diagnostics (sourced by wan-snapshot.sh).
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# Not meant to be executed directly.
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#
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# Emits kind=deep lines to WAN_WATCH_LOG (key=value, one fact per line).
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wan_deep_load_1m() {
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awk '{print $1}' /proc/loadavg 2>/dev/null || echo "n/a"
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}
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wan_deep_cpu_busy_pct() {
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awk '/^cpu / {
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idle = $5 + $6; total = 0
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for (i = 2; i <= NF; i++) total += $i
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if (total > 0) printf "%.0f", 100 * (total - idle) / total
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}' /proc/stat 2>/dev/null || echo "n/a"
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}
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wan_deep_mem_avail_kb() {
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awk '/^MemAvailable:/ { print $2 }' /proc/meminfo 2>/dev/null || echo "n/a"
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}
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wan_deep_conntrack_fields() {
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_cur="$(cat /proc/sys/net/netfilter/nf_conntrack_count 2>/dev/null)" || _cur=""
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_max="$(cat /proc/sys/net/netfilter/nf_conntrack_max 2>/dev/null)" || _max=""
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if [ -n "$_cur" ] && [ -n "$_max" ] && [ "$_max" -gt 0 ] 2>/dev/null; then
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_pct=$((_cur * 100 / _max))
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printf 'conntrack_cur=%s conntrack_max=%s conntrack_pct=%s' "$_cur" "$_max" "$_pct"
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else
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printf 'conntrack_cur=n/a conntrack_max=n/a conntrack_pct=n/a'
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fi
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}
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wan_deep_emit() {
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# wan_deep_emit KIND TS ROLE HOST [key=value ...]
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_kind="$1"
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_ts="$2"
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_role="$3"
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_host="$4"
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shift 4
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_line="kind=$_kind ts=$_ts role=$_role host=$_host $*"
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_dir="$(dirname "$WAN_WATCH_LOG")"
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[ -d "$_dir" ] || mkdir -p "$_dir" 2>/dev/null || true
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printf '%s\n' "$_line" >> "$WAN_WATCH_LOG"
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}
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# Burst ping (fast) -> one kind=deep line.
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wan_deep_burst_ping() {
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_parent_ts="$1"
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_role="$2"
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_hostn="$3"
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_label="$4"
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_target="$5"
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_count="${6:-5}"
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_deadline="${7:-6}"
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_out="$(ping -c "$_count" -w "$_deadline" "$_target" 2>/dev/null)" || _out=""
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if [ -z "$_out" ]; then
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wan_deep_emit deep "$_parent_ts" "$_role" "$_hostn" \
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"parent_ts=$_parent_ts section=burst label=$_label target=$_target loss=-1 avg_ms=-1"
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return 0
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fi
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_loss="$(printf '%s\n' "$_out" | awk '/packet loss/ {
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for (i = 1; i <= NF; i++) if ($i ~ /%$/) { gsub(/%/, "", $i); print $i; exit }
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}')"
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_rtt="$(printf '%s\n' "$_out" | sed -n 's/.*= \([0-9.]*\)\/\([0-9.]*\)\/\([0-9.]*\)\/\([0-9.]*\) ms.*/\1 \2 \3 \4/p' | head -1)"
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_min="-1" _avg="-1" _max="-1" _mdev="-1"
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if [ -n "$_rtt" ]; then
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_min="${_rtt%% *}"
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_rest="${_rtt#* }"
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_avg="${_rest%% *}"
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_rest="${_rest#* }"
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_max="${_rest%% *}"
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_mdev="${_rest#* }"
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fi
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[ -n "$_loss" ] || _loss="-1"
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wan_deep_emit deep "$_parent_ts" "$_role" "$_hostn" \
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"parent_ts=$_parent_ts section=burst label=$_label target=$_target loss=${_loss}% min_ms=$_min avg_ms=$_avg max_ms=$_max mdev_ms=$_mdev"
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}
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wan_deep_host_health() {
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_parent_ts="$1"
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_role="$2"
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_hostn="$3"
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_ct="$(wan_deep_conntrack_fields)"
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wan_deep_emit deep "$_parent_ts" "$_role" "$_hostn" \
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"parent_ts=$_parent_ts section=host load1=$(wan_deep_load_1m) cpu_busy=$(wan_deep_cpu_busy_pct)% mem_avail_kb=$(wan_deep_mem_avail_kb) $_ct"
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}
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wan_deep_top_procs() {
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_parent_ts="$1"
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_role="$2"
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_hostn="$3"
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_n="${4:-5}"
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ps -eo pcpu=,pmem=,comm= --sort=-pcpu 2>/dev/null | head -n "$_n" | awk -v ts="$_parent_ts" -v role="$_role" -v host="$_hostn" -v n="$_n" '
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NF >= 3 {
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rank = NR
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printf "kind=deep ts=%s role=%s host=%s parent_ts=%s section=proc rank=%d cpu=%s mem=%s comm=%s\n",
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ts, role, host, ts, rank, $1, $2, $3
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}
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' >> "$WAN_WATCH_LOG" 2>/dev/null || true
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}
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wan_deep_iface_stats() {
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_parent_ts="$1"
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_role="$2"
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_hostn="$3"
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_dev="$4"
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[ -n "$_dev" ] || return 0
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ip -s link show "$_dev" 2>/dev/null | awk -v ts="$_parent_ts" -v role="$_role" -v host="$_hostn" -v dev="$_dev" '
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/^[0-9]+:/ { rx_b = tx_b = rx_p = tx_p = rx_drop = tx_drop = rx_err = tx_err = 0 }
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/RX: bytes/ { rx_b = $3; rx_p = $2 }
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/RX:.*packets/ { getline; rx_err = $3; rx_drop = $4 }
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/TX: bytes/ { tx_b = $3; tx_p = $2 }
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/TX:.*packets/ { getline; tx_err = $3; tx_drop = $4 }
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END {
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printf "kind=deep ts=%s role=%s host=%s parent_ts=%s section=iface dev=%s rx_bytes=%s tx_bytes=%s rx_drop=%s tx_drop=%s rx_err=%s tx_err=%s\n",
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ts, role, host, ts, dev, rx_b, tx_b, rx_drop, tx_drop, rx_err, tx_err
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}
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' >> "$WAN_WATCH_LOG" 2>/dev/null || true
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}
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wan_deep_all_ifaces_nonzero() {
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_parent_ts="$1"
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_role="$2"
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_hostn="$3"
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ip -s link 2>/dev/null | awk -v ts="$_parent_ts" -v role="$_role" -v host="$_hostn" '
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/^[0-9]+:/ {
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if (iface != "" && iface !~ /^lo$/ && (rx_drop + tx_drop + rx_err + tx_err) > 0)
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printf "kind=deep ts=%s role=%s host=%s parent_ts=%s section=iface dev=%s rx_drop=%s tx_drop=%s rx_err=%s tx_err=%s\n",
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ts, role, host, ts, iface, rx_drop, tx_drop, rx_err, tx_err
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iface = $2; gsub(":", "", iface)
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rx_drop = tx_drop = rx_err = tx_err = 0
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}
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/RX:/ { getline; rx_err = $3; rx_drop = $4 }
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/TX:/ { getline; tx_err = $3; tx_drop = $4 }
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END {
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if (iface != "" && iface !~ /^lo$/ && (rx_drop + tx_drop + rx_err + tx_err) > 0)
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printf "kind=deep ts=%s role=%s host=%s parent_ts=%s section=iface dev=%s rx_drop=%s tx_drop=%s rx_err=%s tx_err=%s\n",
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ts, role, host, ts, iface, rx_drop, tx_drop, rx_err, tx_err
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}
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' >> "$WAN_WATCH_LOG" 2>/dev/null || true
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}
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wan_deep_softnet() {
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_parent_ts="$1"
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_role="$2"
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_hostn="$3"
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[ -r /proc/net/softnet_stat ] || return 0
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awk -v ts="$_parent_ts" -v role="$_role" -v host="$_hostn" '
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$2 + 0 > 0 {
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printf "kind=deep ts=%s role=%s host=%s parent_ts=%s section=softnet cpu=%d dropped=%s processed=%s\n",
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ts, role, host, ts, NR - 1, $2, $1
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}
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' /proc/net/softnet_stat >> "$WAN_WATCH_LOG" 2>/dev/null || true
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}
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wan_deep_neigh() {
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_parent_ts="$1"
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_role="$2"
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_hostn="$3"
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_ip="$4"
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[ -n "$_ip" ] || return 0
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ip neigh show "$_ip" 2>/dev/null | awk -v ts="$_parent_ts" -v role="$_role" -v host="$_hostn" -v ip="$_ip" '
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NF >= 5 {
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printf "kind=deep ts=%s role=%s host=%s parent_ts=%s section=neigh ip=%s lladdr=%s dev=%s state=%s\n",
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ts, role, host, ts, ip, $5, $3, $6
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}
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' >> "$WAN_WATCH_LOG" 2>/dev/null || true
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}
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wan_deep_route() {
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_parent_ts="$1"
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_role="$2"
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_hostn="$3"
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_label="$4"
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_target="$5"
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[ -n "$_target" ] || return 0
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ip route get "$_target" 2>/dev/null | awk -v ts="$_parent_ts" -v role="$_role" -v host="$_hostn" -v label="$_label" -v target="$_target" '
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{
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dev = via = ""; src = ""
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for (i = 1; i <= NF; i++) {
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if ($i == "dev") dev = $(i + 1)
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if ($i == "via") via = $(i + 1)
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if ($i == "src") src = $(i + 1)
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}
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printf "kind=deep ts=%s role=%s host=%s parent_ts=%s section=route label=%s target=%s dev=%s via=%s src=%s\n",
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ts, role, host, ts, label, target, dev, via, src
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}
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' >> "$WAN_WATCH_LOG" 2>/dev/null || true
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}
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wan_deep_iptables_hot() {
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_parent_ts="$1"
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_role="$2"
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_hostn="$3"
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command -v iptables >/dev/null 2>&1 || return 0
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for _spec in "filter:FORWARD" "nat:PREROUTING" "nat:POSTROUTING"; do
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_tbl="${_spec%%:*}"
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_chain="${_spec#*:}"
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iptables -t "$_tbl" -L "$_chain" -n -v --line-numbers 2>/dev/null \
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| awk -v ts="$_parent_ts" -v role="$_role" -v host="$_hostn" -v tbl="$_tbl" -v chain="$_chain" '
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/^[0-9]+/ && $2 + 0 > 0 {
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ln = $1; pkts = $2; bytes = $3; target = $4
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printf "kind=deep ts=%s role=%s host=%s parent_ts=%s section=iptables tbl=%s chain=%s line=%s pkts=%s bytes=%s target=%s\n",
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ts, role, host, ts, tbl, chain, ln, pkts, bytes, target
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}
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' | head -n 8 >> "$WAN_WATCH_LOG" 2>/dev/null || true
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done
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}
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wan_deep_qdisc() {
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_parent_ts="$1"
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_role="$2"
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_hostn="$3"
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_dev="$4"
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[ -n "$_dev" ] || return 0
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tc -s qdisc show dev "$_dev" 2>/dev/null | awk -v ts="$_parent_ts" -v role="$_role" -v host="$_hostn" -v dev="$_dev" '
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/qdisc/ {
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printf "kind=deep ts=%s role=%s host=%s parent_ts=%s section=qdisc dev=%s detail=%s\n",
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ts, role, host, ts, dev, $0
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}
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/backlog/ {
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printf "kind=deep ts=%s role=%s host=%s parent_ts=%s section=qdisc dev=%s backlog=%s\n",
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ts, role, host, ts, dev, $0
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}
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' >> "$WAN_WATCH_LOG" 2>/dev/null || true
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}
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wan_deep_ss_summary() {
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_parent_ts="$1"
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_role="$2"
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_hostn="$3"
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ss -s 2>/dev/null | awk -v ts="$_parent_ts" -v role="$_role" -v host="$_hostn" '
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/TCP:|UDP:/ {
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gsub(/^[ \t]+/, "")
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printf "kind=deep ts=%s role=%s host=%s parent_ts=%s section=ss %s\n", ts, role, host, ts, $0
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}
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' >> "$WAN_WATCH_LOG" 2>/dev/null || true
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}
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# Full deep capture for one anomaly event.
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wan_deep_diag_run() {
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_parent_ts="$1"
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_role="$2"
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_hostn="$3"
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_triggers="$4"
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_wan_target="$5"
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_fe_target="$6"
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_gw_target="$7"
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_route_wan_dev="$8"
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_route_fe_dev="$9"
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wan_deep_emit alert "$_parent_ts" "$_role" "$_hostn" \
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"parent_ts=$_parent_ts triggers=\"$_triggers\""
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wan_deep_host_health "$_parent_ts" "$_role" "$_hostn"
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wan_deep_burst_ping "$_parent_ts" "$_role" "$_hostn" "wan" "$_wan_target"
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wan_deep_burst_ping "$_parent_ts" "$_role" "$_hostn" "fe" "$_fe_target"
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if [ -n "$_gw_target" ] && [ "$_gw_target" != "none" ]; then
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wan_deep_burst_ping "$_parent_ts" "$_role" "$_hostn" "gw" "$_gw_target"
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fi
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wan_deep_route "$_parent_ts" "$_role" "$_hostn" "wan" "$_wan_target"
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wan_deep_route "$_parent_ts" "$_role" "$_hostn" "fe" "$_fe_target"
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wan_deep_neigh "$_parent_ts" "$_role" "$_hostn" "$_fe_target"
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wan_deep_top_procs "$_parent_ts" "$_role" "$_hostn" 5
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wan_deep_softnet "$_parent_ts" "$_role" "$_hostn"
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wan_deep_ss_summary "$_parent_ts" "$_role" "$_hostn"
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wan_deep_iface_stats "$_parent_ts" "$_role" "$_hostn" "$_route_wan_dev"
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wan_deep_iface_stats "$_parent_ts" "$_role" "$_hostn" "$_route_fe_dev"
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wan_deep_all_ifaces_nonzero "$_parent_ts" "$_role" "$_hostn"
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if [ "$_role" = "router" ]; then
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wan_deep_iptables_hot "$_parent_ts" "$_role" "$_hostn"
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wan_deep_qdisc "$_parent_ts" "$_role" "$_hostn" "$_route_wan_dev"
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fi
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if [ "$_role" = "pi" ]; then
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wan_deep_qdisc "$_parent_ts" "$_role" "$_hostn" "$_route_fe_dev"
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fi
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}
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# Loaded marker for wan-snapshot.sh
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WAN_DEEP_DIAG_LOADED=1 |