Add a local SvxReflector Docker lab for headset testing.
Funknetz needs a protocol 2.0 reflector without production credentials; the compose stack and smoke test prove the station can log in and select a talk group. Co-authored-by: Cursor <cursoragent@cursor.com>
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logs/
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data/
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.git
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.gitignore
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*.md
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*.log
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.DS_Store
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# Copy to .env and adjust. Auth secrets must match config/svxreflector.conf.
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TZ=Europe/Berlin
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LISTEN_PORT=5300
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START_SVXLINK=0
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START_REMOTETRX=0
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START_SVXREFLECTOR=1
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SVXREFLECTOR_CONF=/etc/svxlink/svxreflector.conf
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SVXREFLECTOR_ARGS=--logfile=/var/log/svxlink/svxreflector.log
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FUNKNETZ_HOST=127.0.0.1
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FUNKNETZ_PORT=5300
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FUNKNETZ_CALLSIGN=DL0FN-1
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FUNKNETZ_AUTH_KEY=local-lab-secret-change-me
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FUNKNETZ_TALK_GROUP=9
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logs/*
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!logs/.gitkeep
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data/*
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!data/.gitkeep
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.env
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*.log
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# Build and run SvxReflector for the Funknetz local lab.
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# Provenance: patterned on f4hlv/svxlink-docker (community); builds from upstream sm0svx/svxlink.
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# =========================================================
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# STAGE 1 — BUILD
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# =========================================================
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FROM debian:trixie-slim AS builder
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ENV DEBIAN_FRONTEND=noninteractive
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RUN apt-get update && apt-get -y install --no-install-recommends \
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git ca-certificates \
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cmake g++ make dpkg-dev \
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libsigc++-2.0-dev libgsm1-dev libpopt-dev tcl8.6-dev \
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libgcrypt20-dev libspeex-dev libasound2-dev \
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libopus-dev librtlsdr-dev libjsoncpp-dev \
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libcurl4-openssl-dev libgpiod-dev libogg-dev \
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ladspa-sdk libssl-dev \
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&& rm -rf /var/lib/apt/lists/*
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ARG GIT_URL=https://github.com/sm0svx/svxlink.git
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ARG GIT_BRANCH=master
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ARG NUM_CORES=4
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WORKDIR /build
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RUN git clone --recursive --depth 1 --branch "${GIT_BRANCH}" "${GIT_URL}" svxlink
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WORKDIR /build/svxlink
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RUN set -eux; \
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SVX_VER="$(awk -F= '$1=="SVXSERVER"{gsub(/[[:space:]]/,"",$2); print $2}' src/versions)"; \
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echo "SVXSERVER version from src/versions: ${SVX_VER}"; \
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rm -rf build && mkdir -p build && cd build; \
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cmake \
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-DCMAKE_INSTALL_PREFIX=/usr \
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-DCMAKE_INSTALL_SYSCONFDIR=/etc \
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-DCMAKE_INSTALL_LOCALSTATEDIR=/var \
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-DUSE_QT=OFF \
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-DCMAKE_BUILD_TYPE=Release \
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-DCPACK_GENERATOR=DEB \
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-DCPACK_PACKAGE_VERSION="${SVX_VER}" \
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-DCPACK_DEBIAN_PACKAGE_VERSION="${SVX_VER}" \
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../src; \
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make -j"${NUM_CORES}"; \
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make package; \
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ls -lh *.deb
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# =========================================================
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# STAGE 2 — RUNTIME
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# =========================================================
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FROM debian:trixie-slim
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ENV DEBIAN_FRONTEND=noninteractive
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RUN apt-get update && apt-get -y install --no-install-recommends \
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adduser init-system-helpers ca-certificates openssl \
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libasyncaudio1.6t64 libasynccore1.6t64 libasynccpp1.6t64 libcurl4t64 \
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libgcrypt20 libgsm1 libjsoncpp26 libpopt0 librtlsdr0 \
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libsigc++-2.0-0v5 libtcl8.6 libgcc-s1 libstdc++6 \
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libasound2 libgpiod3 libogg0 libopus0 libspeex1 \
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&& rm -rf /var/lib/apt/lists/*
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COPY --from=builder /build/svxlink/build/*.deb /tmp/svxlink.deb
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RUN apt-get update && \
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apt-get -y install --no-install-recommends /tmp/svxlink.deb && \
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rm -f /tmp/svxlink.deb && \
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rm -rf /var/lib/apt/lists/*
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RUN mkdir -p /etc/svxlink /var/log/svxlink /var/lib/svxlink && \
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useradd -r -u 1000 -m -d /home/svx svx || true
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ENV SVXLINK_CONF=/etc/svxlink/svxlink.conf \
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REMOTETRX_CONF=/etc/svxlink/remotetrx.conf \
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SVXREFLECTOR_CONF=/etc/svxlink/svxreflector.conf
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COPY entrypoint.sh /entrypoint.sh
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RUN chmod +x /entrypoint.sh
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ENTRYPOINT ["/entrypoint.sh"]
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###################################################################
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# Local lab SvxReflector for Funknetz (protocol 2.0 / ReflectorV2)
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# Secrets here are placeholders — do not reuse production keys.
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###################################################################
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[GLOBAL]
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TIMESTAMP_FORMAT="%c"
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LISTEN_PORT=5300
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TG_FOR_V1_CLIENTS=999
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# CODECS=OPUS
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COMMAND_PTY=/dev/shm/reflector_ctrl
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# Newer SvxReflector bootstraps a local PKI even for protocol 2.0 AUTH_KEY clients.
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# COMMON_NAME is required so the server certificate can be generated on first start.
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[SERVER_CERT]
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COMMON_NAME=funknetz-lab.local
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SUBJECT_ALT_NAME=DNS:funknetz-lab.local,DNS:localhost,IP:127.0.0.1
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[USERS]
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DL0FN-1=LocalTest
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DL0FN-2=LocalTest
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[PASSWORDS]
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LocalTest="local-lab-secret-change-me"
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# Local SvxReflector lab for Funknetz.
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# Build once, then: docker compose up -d
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# Connect the app with host/port/callsign/authKey from .env (see FUNKNETZ_*).
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services:
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svxreflector:
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build:
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context: .
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dockerfile: Dockerfile
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args:
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GIT_URL: https://github.com/sm0svx/svxlink.git
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GIT_BRANCH: master
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image: funknetz-svxreflector:local
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container_name: funknetz-svxreflector
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restart: unless-stopped
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env_file:
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- .env
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ports:
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# Host LISTEN_PORT → container 5300 (must match config/svxreflector.conf).
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# Control is TCP; audio and UDP keepalives use the same number.
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- "${LISTEN_PORT:-5300}:5300/tcp"
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- "${LISTEN_PORT:-5300}:5300/udp"
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environment:
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TZ: ${TZ:-Europe/Berlin}
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START_SVXLINK: ${START_SVXLINK:-0}
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START_REMOTETRX: ${START_REMOTETRX:-0}
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START_SVXREFLECTOR: ${START_SVXREFLECTOR:-1}
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SVXREFLECTOR_CONF: ${SVXREFLECTOR_CONF:-/etc/svxlink/svxreflector.conf}
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SVXREFLECTOR_ARGS: ${SVXREFLECTOR_ARGS:-}
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volumes:
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- ./config/svxreflector.conf:/etc/svxlink/svxreflector.conf:ro
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- ./logs:/var/log/svxlink
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- ./data:/var/lib/svxlink
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Executable
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#!/bin/sh
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set -eu
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SVXLINK_CONF="${SVXLINK_CONF:-/etc/svxlink/svxlink.conf}"
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REMOTETRX_CONF="${REMOTETRX_CONF:-/etc/svxlink/remotetrx.conf}"
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SVXREFLECTOR_CONF="${SVXREFLECTOR_CONF:-/etc/svxlink/svxreflector.conf}"
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START_SVXLINK="${START_SVXLINK:-0}"
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START_REMOTETRX="${START_REMOTETRX:-0}"
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START_SVXREFLECTOR="${START_SVXREFLECTOR:-1}"
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SVXLINK_ARGS="${SVXLINK_ARGS:-}"
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REMOTETRX_ARGS="${REMOTETRX_ARGS:-}"
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SVXREFLECTOR_ARGS="${SVXREFLECTOR_ARGS:-}"
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pids=""
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log() {
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echo "[$(date -Iseconds)] $*"
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}
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die() {
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log "ERROR: $*"
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exit 1
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}
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need_file_if_enabled() {
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enabled="$1"
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file="$2"
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name="$3"
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if [ "$enabled" = "1" ] && [ ! -f "$file" ]; then
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die "Config for $name not found: $file (expected volume mount)"
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fi
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}
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start_bg() {
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name="$1"
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shift
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log "Starting: $name -> $*"
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"$@" &
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pid="$!"
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pids="$pids $pid"
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log "$name started (pid=$pid)"
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}
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stop_all() {
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log "Stop requested; stopping: $pids"
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for pid in $pids; do
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kill -TERM "$pid" 2>/dev/null || true
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done
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i=0
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while [ $i -lt 10 ]; do
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alive=0
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for pid in $pids; do
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if kill -0 "$pid" 2>/dev/null; then
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alive=1
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fi
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done
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[ "$alive" -eq 0 ] && break
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i=$((i + 1))
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sleep 1
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done
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for pid in $pids; do
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kill -KILL "$pid" 2>/dev/null || true
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done
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log "Stop complete."
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}
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trap 'stop_all; exit 0' INT TERM
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if [ "$START_SVXLINK" = "1" ] && ! command -v svxlink >/dev/null 2>&1; then
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die "svxlink binary not found"
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fi
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if [ "$START_REMOTETRX" = "1" ] && ! command -v remotetrx >/dev/null 2>&1; then
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die "remotetrx binary not found"
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fi
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if [ "$START_SVXREFLECTOR" = "1" ] && ! command -v svxreflector >/dev/null 2>&1; then
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die "svxreflector binary not found"
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fi
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need_file_if_enabled "$START_SVXLINK" "$SVXLINK_CONF" "svxlink"
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need_file_if_enabled "$START_REMOTETRX" "$REMOTETRX_CONF" "remotetrx"
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need_file_if_enabled "$START_SVXREFLECTOR" "$SVXREFLECTOR_CONF" "svxreflector"
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if [ "$START_SVXREFLECTOR" = "1" ]; then
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start_bg "svxreflector" svxreflector --config "$SVXREFLECTOR_CONF" $SVXREFLECTOR_ARGS
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fi
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if [ "$START_REMOTETRX" = "1" ]; then
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start_bg "remotetrx" remotetrx --config "$REMOTETRX_CONF" $REMOTETRX_ARGS
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fi
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if [ "$START_SVXLINK" = "1" ]; then
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start_bg "svxlink" svxlink --config "$SVXLINK_CONF" $SVXLINK_ARGS
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fi
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if ! echo "$pids" | grep -q '[0-9]'; then
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die "No service enabled. Set START_SVXREFLECTOR=1 (lab default) and/or START_SVXLINK / START_REMOTETRX"
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fi
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log "Requested services are running. Waiting…"
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exit_code=0
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for pid in $pids; do
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if ! wait "$pid"; then
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exit_code=1
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fi
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done
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log "Exit (exit_code=$exit_code)"
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exit "$exit_code"
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