78 lines
2.9 KiB
Bash
Executable File
78 lines
2.9 KiB
Bash
Executable File
#!/bin/sh
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set -u
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base=/data/opt/alice-backend
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runtime="$base/spotify"
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cd "$base" || exit 1
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umask 077
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exec 8>/tmp/alice-spotify.lock
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flock -n 8 || exit 1
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export PULSE_SERVER=unix:/tmp/alice-pulse/native
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export PULSE_RUNTIME_PATH=/tmp/alice-pulse
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export PULSE_COOKIE=/tmp/alice-pulse/cookie
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export PULSE_STATE_PATH="$base/spotify-state"
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export PULSE_SINK=music
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pulse=
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soloist=
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janitor=
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timer=
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stopping=0
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terminate() {
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stopping=1
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for child in "$timer" "$soloist" "$pulse" "$janitor"; do
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[ -z "$child" ] || kill -TERM "$child" 2>/dev/null || true
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done
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}
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trap terminate TERM INT HUP
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trap terminate EXIT
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mkdir -p "$PULSE_RUNTIME_PATH" "$PULSE_STATE_PATH" "$base/soloist-data" /tmp/alice-spotify-cache
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if ! grep -q ' /tmp/alice-spotify-cache ' /proc/mounts; then
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mount -t tmpfs -o size=32m,mode=0700,nosuid,nodev,noexec tmpfs /tmp/alice-spotify-cache || exit 1
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fi
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chmod 700 "$PULSE_RUNTIME_PATH" "$PULSE_STATE_PATH" "$base/soloist-data" /tmp/alice-spotify-cache
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if [ ! -f "$PULSE_COOKIE" ]; then dd if=/dev/urandom of="$PULSE_COOKIE" bs=256 count=1 2>/dev/null; fi
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: >/tmp/alice-cache.log
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./music-control -cache-janitor /tmp/alice-spotify-cache >>/tmp/alice-cache.log 2>&1 8>&- &
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janitor=$!
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bound_logs() {
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for log in /tmp/alice-pulse.log /tmp/alice-soloist.log /tmp/alice-cache.log; do
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if [ -f "$log" ] && [ "$(wc -c < "$log")" -gt 524288 ]; then : > "$log"; fi
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done
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}
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# Session restoration requires network and wall time valid for TLS.
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while [ "$stopping" -eq 0 ] && { [ "$(date +%s)" -lt 1700000000 ] || ! ip route | grep -q '^default '; }; do
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sleep 3 & timer=$!; wait "$timer" || true; timer=
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done
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while [ "$stopping" -eq 0 ]; do
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: >/tmp/alice-pulse.log
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"$runtime/run" "$runtime/bin/pulseaudio" -n --daemonize=no --exit-idle-time=-1 --dl-search-path="$runtime/lib" --file="$runtime/etc/alice.pa" --log-target=stderr >>/tmp/alice-pulse.log 2>&1 8>&- &
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pulse=$!
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ready=0
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for second in 1 2 3 4 5; do
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[ "$stopping" -eq 0 ] || break
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if "$runtime/pactl" info >/dev/null 2>&1; then ready=1; break; fi
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sleep 1
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done
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if [ "$ready" -eq 1 ] && [ "$stopping" -eq 0 ]; then
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: >/tmp/alice-soloist.log
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"$runtime/run" "$runtime/soloist/soloist" --device-name "Pepega Mini 2" --api-key "$(cat "$base/soloist-key")" --data-dir "$base/soloist-data" --cache-dir /tmp/alice-spotify-cache --cache-size 100 --ws 127.0.0.1:9090 >>/tmp/alice-soloist.log 2>&1 8>&- &
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soloist=$!
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while [ "$stopping" -eq 0 ] && kill -0 "$soloist" 2>/dev/null && kill -0 "$pulse" 2>/dev/null; do
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bound_logs
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sleep 3 & timer=$!; wait "$timer" || true; timer=
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done
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fi
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for child in "$soloist" "$pulse"; do
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if [ -n "$child" ]; then kill -TERM "$child" 2>/dev/null || true; wait "$child" 2>/dev/null || true; fi
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done
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soloist=
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pulse=
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bound_logs
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if [ "$stopping" -eq 0 ]; then sleep 5 & timer=$!; wait "$timer" || true; timer=; fi
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done
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[ -z "$janitor" ] || wait "$janitor" 2>/dev/null || true
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umount /tmp/alice-spotify-cache || true
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