client: debugging web cam

This commit is contained in:
Brad Stein 2025-12-01 03:34:01 -03:00
parent 5be0837f45
commit c274e8ce18
4 changed files with 206 additions and 5 deletions

107
scripts/manual/eval_lesavka.sh Executable file
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@ -0,0 +1,107 @@
#!/usr/bin/env bash
# scripts/manual/eval_lesavka.sh - iterative health check for lesavka client/server/gadget
# - Locally: probes TCP + gRPC handshake on LESAVKA_SERVER_ADDR
# - Optional: if TETHYS_HOST is set, ssh to run lsusb + dmesg tail (enumeration check)
# - Optional: if THEIA_HOST is set, ssh to show core/server status + hidg/uvc presence
#
# Env:
# LESAVKA_SERVER_ADDR (default http://38.28.125.112:50051)
# ITER=0 (loop forever) or number of iterations
# SLEEP=10 (seconds between iterations)
# TETHYS_HOST=host (ssh target for target machine; requires key auth)
# THEIA_HOST=host (ssh target for server/gadget Pi)
# SSH_OPTS="-o ConnectTimeout=5" (optional extra ssh flags)
set -euo pipefail
SERVER=${LESAVKA_SERVER_ADDR:-http://38.28.125.112:50051}
# default to a few iterations instead of infinite to avoid unintentional long runs
ITER=${ITER:-5}
SLEEP=${SLEEP:-10}
SSH_OPTS=${SSH_OPTS:-"-o ConnectTimeout=5 -o BatchMode=yes"}
SCRIPT_DIR="$(cd -- "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"
PROTO_DIR="${PROTO_DIR:-${SCRIPT_DIR}/../../common/proto}"
hostport=${SERVER#http://}
hostport=${hostport#https://}
host=${hostport%%:*}
port=${hostport##*:}
has_nc() { command -v nc >/dev/null 2>&1; }
has_grpc() { command -v grpcurl >/dev/null 2>&1; }
probe_server() {
echo "==> [local] $(date -Is) probing $SERVER"
if has_nc; then
if nc -zw3 "$host" "$port"; then
echo " tcp: OK (port reachable)"
else
echo " tcp: FAIL (port unreachable)"
fi
else
echo " tcp: skipped (nc not present)"
fi
if has_grpc; then
if [[ -f "${PROTO_DIR}/lesavka.proto" ]]; then
if out=$(grpcurl -plaintext -max-time 5 \
-import-path "${PROTO_DIR}" -proto lesavka.proto \
"$host:$port" lesavka.Handshake/GetCapabilities 2>&1); then
echo " gRPC Handshake (proto): OK → $out"
else
echo " gRPC Handshake (proto): FAIL → $out"
fi
else
if out=$(grpcurl -plaintext -max-time 5 "$host:$port" list 2>&1); then
echo " gRPC list (reflection): $out"
else
echo " gRPC list (reflection) FAIL → $out"
fi
fi
else
echo " gRPC: skipped (grpcurl not present)"
fi
}
probe_tethys() {
[[ -z "${TETHYS_HOST:-}" ]] && return
echo "==> [tethys] $(date -Is) checking lsusb + dmesg tail on $TETHYS_HOST"
ssh $SSH_OPTS "$TETHYS_HOST" '
lsusb;
echo "--- /dev/hidraw* ---";
ls /dev/hidraw* 2>/dev/null || true;
echo "--- dmesg (USB tail) ---";
dmesg | tail -n 20
' || echo " ssh to $TETHYS_HOST failed"
}
probe_theia() {
[[ -z "${THEIA_HOST:-}" ]] && return
echo "==> [theia] $(date -Is) checking services/device nodes on $THEIA_HOST"
ssh $SSH_OPTS "$THEIA_HOST" '
systemctl --no-pager --quiet is-active lesavka-core && echo "lesavka-core: active" || echo "lesavka-core: INACTIVE";
systemctl --no-pager --quiet is-active lesavka-server && echo "lesavka-server: active" || echo "lesavka-server: INACTIVE";
echo "--- hidg nodes ---";
ls -l /dev/hidg0 /dev/hidg1 2>/dev/null || true;
echo "--- video nodes ---";
ls -l /dev/video* 2>/dev/null | head;
echo "--- recent server log ---";
journalctl -u lesavka-server -n 20 --no-pager
' || echo " ssh to $THEIA_HOST failed"
}
count=0
while :; do
probe_server
probe_theia
probe_tethys
count=$((count + 1))
if [[ "$ITER" -gt 0 && "$count" -ge "$ITER" ]]; then
break
fi
echo "==> sleeping ${SLEEP}s (iteration $count complete)"
sleep "$SLEEP"
done
echo "Done."

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@ -0,0 +1,56 @@
#!/usr/bin/env bash
# scripts/manual/kde-start-tethys.sh
#
# Start/restart SDDM on tethys and set display geometry over :0.
# Intended for remote use after SSH-ing into tethys.
#
# Env overrides:
# MODE=1920x1080 (preferred mode)
# RATE=60 (refresh rate)
# OUTPUTS="HDMI-1 DP-1" (space-separated outputs to try)
# DISPLAY=:0 (X display; default :0)
# XAUTHORITY=... (override cookie; otherwise auto-detected from SDDM)
set -euo pipefail
MODE=${MODE:-1920x1080}
RATE=${RATE:-60}
OUTPUTS=${OUTPUTS:-"HDMI-1 DP-1"}
DISPLAY=${DISPLAY:-:0}
log() { printf "[kde-start] %s\n" "$*"; }
log "restarting sddm.service"
sudo systemctl restart sddm
sleep 2
# find SDDM Xauthority if not provided
if [[ -z "${XAUTHORITY:-}" ]]; then
XAUTHORITY=$(ls /var/run/sddm/*/xauth_* 2>/dev/null | head -n1 || true)
fi
if [[ -z "${XAUTHORITY:-}" ]]; then
log "warning: no XAUTHORITY found; xrandr may fail"
fi
# wait for X to come up
for attempt in {1..15}; do
if DISPLAY=$DISPLAY XAUTHORITY=${XAUTHORITY:-} xrandr --query >/dev/null 2>&1; then
break
fi
sleep 1
done
log "setting mode ${MODE}@${RATE} on outputs: ${OUTPUTS}"
for out in $OUTPUTS; do
if DISPLAY=$DISPLAY XAUTHORITY=${XAUTHORITY:-} xrandr --output "$out" --mode "$MODE" --rate "$RATE" --primary >/dev/null 2>&1; then
log "set $out to ${MODE}@${RATE}"
else
log "skip $out (xrandr failed)"
fi
done
log "current xrandr:"
DISPLAY=$DISPLAY XAUTHORITY=${XAUTHORITY:-} xrandr --query || true
log "done."

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@ -1,10 +1,14 @@
#!/usr/bin/env bash
# scripts/manual/usb-reset.sh
# scripts/manual/usb-reset.sh - trigger USB reset RPC on the server
set -euo pipefail
SCRIPT_DIR="$(cd -- "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"
PROTO_DIR="${SCRIPT_DIR}/../../common/proto"
grpcurl \
-plaintext \
-import-path ./../../common/proto \
-import-path "${PROTO_DIR}" \
-proto lesavka.proto \
-d '{}' \
64.25.10.31:50051 \
38.28.125.112:50051 \
lesavka.Relay/ResetUsb

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@ -89,6 +89,37 @@ fn next_minute() -> SystemTime {
UNIX_EPOCH + Duration::from_secs(next)
}
/// Pick the UVC gadget video node.
/// Priority: 1) `LESAVKA_UVC_DEV` override; 2) first `video_output` node.
/// Returns an error when nothing matches instead of guessing a capture card.
fn pick_uvc_device() -> anyhow::Result<String> {
if let Ok(path) = std::env::var("LESAVKA_UVC_DEV") {
return Ok(path);
}
// walk /dev/video* via udev and look for an outputcapable node (gadget exposes one)
if let Ok(mut en) = udev::Enumerator::new() {
let _ = en.match_subsystem("video4linux");
if let Ok(devs) = en.scan_devices() {
for dev in devs {
let caps = dev
.property_value("ID_V4L_CAPABILITIES")
.and_then(|v| v.to_str())
.unwrap_or_default();
if caps.contains(":video_output:") {
if let Some(node) = dev.devnode() {
return Ok(node.to_string_lossy().into_owned());
}
}
}
}
}
Err(anyhow::anyhow!(
"no video_output v4l2 node found; set LESAVKA_UVC_DEV"
))
}
/*──────────────── Handler ───────────────────*/
struct Handler {
kb: Arc<Mutex<tokio::fs::File>>,
@ -186,7 +217,9 @@ impl Relay for Handler {
req: Request<tonic::Streaming<AudioPacket>>,
) -> Result<Response<Self::StreamMicrophoneStream>, Status> {
// 1 ─ build once, early
let mut sink = audio::Voice::new("hw:UAC2Gadget,0")
let uac_dev = std::env::var("LESAVKA_UAC_DEV").unwrap_or_else(|_| "hw:UAC2Gadget,0".into());
info!(%uac_dev, "🎤 stream_microphone using UAC sink");
let mut sink = audio::Voice::new(&uac_dev)
.await
.map_err(|e| Status::internal(format!("{e:#}")))?;
@ -218,7 +251,8 @@ impl Relay for Handler {
req: Request<tonic::Streaming<VideoPacket>>,
) -> Result<Response<Self::StreamCameraStream>, Status> {
// map gRPC camera id → UVC device
let uvc = std::env::var("LESAVKA_UVC_DEV").unwrap_or_else(|_| "/dev/video4".into());
let uvc = pick_uvc_device().map_err(|e| Status::internal(format!("{e:#}")))?;
info!(%uvc, "🎥 stream_camera using UVC sink");
// build once
let relay =