mirror of
https://github.com/wnlen/clash-for-linux.git
synced 2026-03-21 22:06:45 +08:00
159 lines
3.1 KiB
Bash
159 lines
3.1 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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PROJECT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
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RUNTIME_DIR="$PROJECT_DIR/runtime"
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PID_FILE="$RUNTIME_DIR/clash.pid"
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STATE_FILE="$RUNTIME_DIR/state.env"
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SERVICE_NAME="clash-for-linux.service"
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mkdir -p "$RUNTIME_DIR"
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# =========================
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# 基础能力
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# =========================
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has_systemd() {
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command -v systemctl >/dev/null 2>&1
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}
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service_unit_exists() {
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has_systemd || return 1
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systemctl show "$SERVICE_NAME" -p LoadState --value 2>/dev/null | grep -q '^loaded$'
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}
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read_pid() {
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[ -s "$PID_FILE" ] || return 1
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tr -d '[:space:]' < "$PID_FILE"
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}
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is_pid_running() {
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local pid="$1"
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[ -n "$pid" ] && kill -0 "$pid" 2>/dev/null
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}
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is_script_running() {
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local pid
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pid="$(read_pid 2>/dev/null || true)"
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is_pid_running "$pid"
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}
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# =========================
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# 清理僵尸 PID（关键）
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# =========================
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cleanup_dead_pid() {
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local pid
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pid="$(read_pid 2>/dev/null || true)"
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if [ -n "${pid:-}" ] && ! is_pid_running "$pid"; then
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rm -f "$PID_FILE"
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fi
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}
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# =========================
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# 模式检测（统一）
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# =========================
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detect_mode() {
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cleanup_dead_pid
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if service_unit_exists && systemctl is-active --quiet "$SERVICE_NAME"; then
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echo "systemd"
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elif is_script_running; then
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echo "script"
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elif service_unit_exists; then
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echo "systemd-installed"
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else
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echo "none"
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fi
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}
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# =========================
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# state 写入（唯一实现）
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# =========================
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write_state_kv() {
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local key="$1"
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local value="$2"
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mkdir -p "$RUNTIME_DIR"
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touch "$STATE_FILE"
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if grep -q "^${key}=" "$STATE_FILE" 2>/dev/null; then
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sed -i "s|^${key}=.*|${key}=${value}|" "$STATE_FILE"
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else
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echo "${key}=${value}" >> "$STATE_FILE"
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fi
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}
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write_run_state() {
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local status="${1:-unknown}"
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local mode="${2:-unknown}"
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local pid="${3:-}"
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write_state_kv "LAST_RUN_STATUS" "$status"
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write_state_kv "LAST_RUN_MODE" "$mode"
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write_state_kv "LAST_RUN_AT" "$(date -Iseconds)"
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if [ -n "$pid" ]; then
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write_state_kv "LAST_RUN_PID" "$pid"
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fi
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}
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# =========================
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# systemd 模式
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# =========================
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start_via_systemd() {
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systemctl start "$SERVICE_NAME"
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}
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stop_via_systemd() {
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systemctl stop "$SERVICE_NAME" || true
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cleanup_dead_pid
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write_run_state "stopped" "systemd"
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}
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restart_via_systemd() {
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systemctl restart "$SERVICE_NAME"
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}
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# =========================
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# script 模式
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# =========================
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start_via_script() {
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cleanup_dead_pid
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if is_script_running; then
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echo "[INFO] clash already running (script)"
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return 0
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fi
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"$PROJECT_DIR/scripts/run_clash.sh" --daemon
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}
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stop_via_script() {
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local pid
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pid="$(read_pid 2>/dev/null || true)"
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if [ -n "${pid:-}" ] && is_pid_running "$pid"; then
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echo "[INFO] stopping clash pid=$pid"
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kill "$pid" 2>/dev/null || true
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for _ in 1 2 3 4 5; do
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if ! is_pid_running "$pid"; then
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break
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fi
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sleep 1
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done
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if is_pid_running "$pid"; then
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kill -9 "$pid" 2>/dev/null || true
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fi
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fi
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rm -f "$PID_FILE"
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write_run_state "stopped" "script"
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}
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restart_via_script() {
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stop_via_script || true
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start_via_script
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} |