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server: split uvc helper service

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This commit is contained in:
Brad Stein 2026-01-08 00:59:14 -03:00
parent 7d35115d1a
commit 83b34a1b92
3 changed files with 41 additions and 2 deletions
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10
scripts/daemon/lesavka-uvc.sh Normal file
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@ -0,0 +1,10 @@
#!/usr/bin/env bash
# scripts/daemon/lesavka-uvc.sh - launch UVC control helper as a standalone service
set -euo pipefail
DEV=${LESAVKA_UVC_DEV:-/dev/v4l/by-path/platform-1000480000.usb-video-index0}
if [[ ! -e "$DEV" ]]; then
DEV=/dev/video0
fi
exec /usr/local/bin/lesavka-uvc --device "$DEV"

25
scripts/install/server.sh
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@ -137,6 +137,7 @@ echo "==> 5. Install binaries"
sudo install -Dm755 "$SRC_DIR/server/target/release/lesavka-server" /usr/local/bin/lesavka-server
sudo install -Dm755 "$SRC_DIR/server/target/release/lesavka-uvc" /usr/local/bin/lesavka-uvc
sudo install -Dm755 "$SRC_DIR/scripts/daemon/lesavka-core.sh" /usr/local/bin/lesavka-core.sh
sudo install -Dm755 "$SRC_DIR/scripts/daemon/lesavka-uvc.sh" /usr/local/bin/lesavka-uvc.sh
echo "==> 6a. Systemd units - lesavka-core"
cat <<'UNIT' | sudo tee /etc/systemd/system/lesavka-core.service >/dev/null
@ -178,6 +179,7 @@ Environment=RUST_LOG=lesavka_server=info,lesavka_server::audio=info,lesavka_serv
Environment=RUST_BACKTRACE=1
Environment=GST_DEBUG="*:2,alsasink:6,alsasrc:6"
Environment=LESAVKA_UVC_CODEC=mjpeg
Environment=LESAVKA_UVC_EXTERNAL=1
Restart=always
RestartSec=5
StandardError=append:/tmp/lesavka-server.stderr
@ -194,6 +196,29 @@ sudo systemctl enable --now lesavka-core
sudo systemctl restart lesavka-core
echo "✅ lesavka-core installed and restarted..."
cat <<'UNIT' | sudo tee /etc/systemd/system/lesavka-uvc.service >/dev/null
[Unit]
Description=lesavka UVC control helper
After=lesavka-core.service
Requires=lesavka-core.service
[Service]
ExecStart=/usr/local/bin/lesavka-uvc.sh
Restart=always
RestartSec=2
KillSignal=SIGTERM
TimeoutStopSec=10
StandardError=append:/tmp/lesavka-uvc.stderr
User=root
[Install]
WantedBy=multi-user.target
UNIT
sudo systemctl enable --now lesavka-uvc
sudo systemctl restart lesavka-uvc
echo "✅ lesavka-uvc installed and restarted..."
sudo systemctl enable --now lesavka-server
sudo systemctl restart lesavka-server
echo "✅ lesavka-server installed and restarted..."

8
server/src/main.rs
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@ -476,8 +476,12 @@ async fn main() -> anyhow::Result<()> {
let gadget = UsbGadget::new("lesavka");
if std::env::var("LESAVKA_DISABLE_UVC").is_err() {
let bin = uvc_ctrl_bin();
tokio::spawn(supervise_uvc_control(bin));
if std::env::var("LESAVKA_UVC_EXTERNAL").is_ok() {
info!("📷 UVC control helper external; not spawning");
} else {
let bin = uvc_ctrl_bin();
tokio::spawn(supervise_uvc_control(bin));
}
} else {
info!("📷 UVC disabled (LESAVKA_DISABLE_UVC set)");
}