继续修改竞态问题

Dockerfile

@@ -19,7 +19,7 @@ RUN CGO_ENABLED=0 GOOS=linux go build \
 FROM alpine:latest
 # 先切换到国内镜像源，再安装包
 RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
-RUN apk --no-cache add ca-certificates tzdata sqlite bash curl iproute2
+RUN apk --no-cache add ca-certificates tzdata sqlite bash curl iproute2 net-tools
 
 WORKDIR /app
 

internal/process/manager.go

@@ -401,7 +401,9 @@ func (pm *ProcessManager) CheckPort() PortCheckResult {
 	}
 	conn.Close()
 
+	// 获取端口占用者信息
 	pid, process := pm.getPortOwner(pm.adminPort)
+	// 即使 pid=0，也返回 Ready=true，让调用方决定如何处理
 	return PortCheckResult{
 		Ready:   true,
 		PID:     pid,
@@ -410,10 +412,19 @@ func (pm *ProcessManager) CheckPort() PortCheckResult {
 }
 
 func (pm *ProcessManager) getPortOwner(port int) (int, string) {
-	if runtime.GOOS != "linux" {
+	// 方法1: ss
-		return 0, ""
+	if pid, name := pm.getPortOwnerBySS(port); pid > 0 {
+		return pid, name
 	}
+	// 方法2: netstat
+	if pid, name := pm.getPortOwnerByNetstat(port); pid > 0 {
+		return pid, name
+	}
+	return 0, ""
+}
 
+func (pm *ProcessManager) getPortOwnerBySS(port int) (int, string) {
+	// ss -lntp | grep ':7400 ' | grep -oP 'pid=\K[0-9]+' | head -1
 	cmd := exec.Command("sh", "-c", fmt.Sprintf("ss -lntp | grep ':%d ' | grep -oP 'pid=\\K[0-9]+' | head -1", port))
 	out, err := cmd.Output()
 	if err != nil {
@@ -427,30 +438,25 @@ func (pm *ProcessManager) getPortOwner(port int) (int, string) {
 	if err != nil || pid <= 0 {
 		return 0, ""
 	}
-
+	return pid, ""
-	cmd2 := exec.Command("sh", "-c", fmt.Sprintf("ps -p %d -o comm= 2>/dev/null | head -1", pid))
-	out2, err2 := cmd2.Output()
-	if err2 != nil {
-		return pid, ""
-	}
-	return pid, strings.TrimSpace(string(out2))
 }
 
-func (pm *ProcessManager) GetPortStatus() (*PortStatus, error) {
+func (pm *ProcessManager) getPortOwnerByNetstat(port int) (int, string) {
-	status := &PortStatus{Port: pm.adminPort, Occupied: false, PID: 0, IsFRPC: false}
+	// netstat -tlnp | grep ':7400 ' | awk '{print $7}' | cut -d'/' -f1 | head -1
-	result := pm.CheckPort()
+	cmd := exec.Command("sh", "-c", fmt.Sprintf("netstat -tlnp 2>/dev/null | grep ':%d ' | awk '{print $7}' | cut -d'/' -f1 | head -1", port))
-	if result.Err != nil {
+	out, err := cmd.Output()
-		return status, result.Err
+	if err != nil {
+		return 0, ""
 	}
-	if !result.Ready {
+	pidStr := strings.TrimSpace(string(out))
-		return status, nil
+	if pidStr == "" {
+		return 0, ""
 	}
-	status.Occupied = true
+	pid, err := strconv.Atoi(pidStr)
-	status.PID = result.PID
+	if err != nil || pid <= 0 {
-	if result.Process != "" {
+		return 0, ""
-		status.IsFRPC = strings.Contains(result.Process, "frpc")
 	}
-	return status, nil
+	return pid, ""
 }
 
 // ================================================================
@@ -576,25 +582,33 @@ func (pm *ProcessManager) isFRPReady(pid int) bool {
 		return false
 	}
 
-	// 方式1: stdout 检测（快速通道）
+	// stdout 快速通道
 	if strings.Contains(pm.getLastOutput(), "start proxy success") ||
 		strings.Contains(pm.getLastOutput(), "login to server success") {
 		log.Printf("[DEBUG] FRPReady(pid=%d): 检测到 stdout 关键字", pid)
 		return true
 	}
 
-	// 方式2: admin API 检测（绑定 PID）
+	// 端口归属检测
-	// 首先确认端口是否被当前 PID 占用
 	portResult := pm.CheckPort()
 	if !portResult.Ready {
 		log.Printf("[DEBUG] FRPReady(pid=%d): 端口 %d 未就绪", pid, pm.adminPort)
 		return false
 	}
-	if portResult.PID > 0 && portResult.PID != pid {
+
-		log.Printf("[DEBUG] FRPReady(pid=%d): 端口被进程 %d 占用，与期望 PID %d 不一致", pid, portResult.PID, pid)
+	// 关键修复：端口被占用但无法识别归属 → 保守返回 false
+	if portResult.PID == 0 {
+		log.Printf("[DEBUG] FRPReady(pid=%d): 端口 %d 被占用但无法识别归属进程，保守返回 false", pid, pm.adminPort)
 		return false
 	}
 
+	if portResult.PID != pid {
+		log.Printf("[DEBUG] FRPReady(pid=%d): 端口 %d 被进程 %d 占用，与期望 PID %d 不一致",
+			pid, pm.adminPort, portResult.PID, pid)
+		return false
+	}
+
+	// admin API 检测
 	url := fmt.Sprintf("http://127.0.0.1:%d/api/status", pm.adminPort)
 	ctx, cancel := context.WithTimeout(context.Background(), APITimeout)
 	defer cancel()
@@ -628,7 +642,7 @@ func (pm *ProcessManager) isFRPReady(pid int) bool {
 		return false
 	}
 
-	// 检查是否有代理处于 running 状态
+	// 检查代理状态
 	proxyLists := [][]struct {
 		Name       string `json:"name"`
 		Type       string `json:"type"`
@@ -637,13 +651,8 @@ func (pm *ProcessManager) isFRPReady(pid int) bool {
 		LocalAddr  string `json:"local_addr"`
 		RemoteAddr string `json:"remote_addr"`
 	}{
-		status.TCP,
+		status.TCP, status.UDP, status.HTTP, status.HTTPS,
-		status.UDP,
+		status.STCP, status.XTCP, status.SUDP,
-		status.HTTP,
-		status.HTTPS,
-		status.STCP,
-		status.XTCP,
-		status.SUDP,
 	}
 
 	for _, proxies := range proxyLists {