feat: persist tunnel probe targets

go-backend/internal/http/handler/mutations.go

@@ -607,6 +607,17 @@ func (h *Handler) tunnelCreate(w http.ResponseWriter, r *http.Request) {
 	trafficRatio := asFloat(req["trafficRatio"], 1.0)
 	inIP := asString(req["inIp"])
 	ipPreference := asString(req["ipPreference"])
+	probeTarget, probeTargetConfigured, err := parseTunnelProbeTargetFromRequest(req)
+	if err != nil {
+		response.WriteJSON(w, response.ErrDefault(err.Error()))
+		return
+	}
+	probeTargetHost := ""
+	probeTargetPort := 0
+	if probeTargetConfigured {
+		probeTargetHost = probeTarget.Host
+		probeTargetPort = probeTarget.Port
+	}
 	now := time.Now().UnixMilli()
 	inx := h.repo.NextIndex("tunnel")
 	localDomain := h.federationLocalDomain()
@@ -685,17 +696,19 @@ func (h *Handler) tunnelCreate(w http.ResponseWriter, r *http.Request) {
 		tunnelProtocol = strings.TrimSpace(runtimeState.InNodes[0].Protocol)
 	}
 	tunnel := model.Tunnel{
-		Name:         name,
+		Name:            name,
-		TrafficRatio: trafficRatio,
+		TrafficRatio:    trafficRatio,
-		Type:         typeVal,
+		Type:            typeVal,
-		Protocol:     tunnelProtocol,
+		Protocol:        tunnelProtocol,
-		Flow:         flow,
+		Flow:            flow,
-		CreatedTime:  now,
+		CreatedTime:     now,
-		UpdatedTime:  now,
+		UpdatedTime:     now,
-		Status:       status,
+		Status:          status,
-		InIP:         tunnelInIP,
+		InIP:            tunnelInIP,
-		Inx:          inx,
+		Inx:             inx,
-		IPPreference: ipPreference,
+		IPPreference:    ipPreference,
+		ProbeTargetHost: probeTargetHost,
+		ProbeTargetPort: probeTargetPort,
 	}
 	if err := tx.Create(&tunnel).Error; err != nil {
 		response.WriteJSON(w, response.Err(-2, err.Error()))
@@ -882,6 +895,17 @@ func (h *Handler) tunnelUpdate(w http.ResponseWriter, r *http.Request) {
 
 	now := time.Now().UnixMilli()
 	ipPreference := asString(req["ipPreference"])
+	probeTarget, probeTargetConfigured, err := parseTunnelProbeTargetFromRequest(req)
+	if err != nil {
+		response.WriteJSON(w, response.ErrDefault(err.Error()))
+		return
+	}
+	probeTargetHost := ""
+	probeTargetPort := 0
+	if probeTargetConfigured {
+		probeTargetHost = probeTarget.Host
+		probeTargetPort = probeTarget.Port
+	}
 	localDomain := h.federationLocalDomain()
 
 	runtimeState, err := h.prepareTunnelCreateState(h.repo.DB(), req, typeVal, id)
@@ -928,6 +952,8 @@ func (h *Handler) tunnelUpdate(w http.ResponseWriter, r *http.Request) {
 		inIp,
 		ipPreference,
 		updateProtocol,
+		probeTargetHost,
+		probeTargetPort,
 		now,
 	); err != nil {
 		response.WriteJSON(w, response.Err(-2, err.Error()))

go-backend/internal/http/handler/tunnel_probe_target.go

@@ -142,7 +142,7 @@ func effectiveTunnelProbeTarget(tunnel *model.Tunnel) tunnelProbeTarget {
 	if tunnel == nil {
 		return defaultTunnelProbeTarget()
 	}
-	return defaultTunnelProbeTarget()
+	return effectiveTunnelProbeTargetValues(tunnel.ProbeTargetHost, tunnel.ProbeTargetPort)
 }
 
 func effectiveTunnelProbeTargetValues(host string, port int) tunnelProbeTarget {

go-backend/internal/http/handler/tunnel_probe_target_api_test.go

@@ -0,0 +1,168 @@
+package handler
+
+import (
+	"bytes"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"path/filepath"
+	"testing"
+	"time"
+
+	"go-backend/internal/store/repo"
+)
+
+func TestTunnelCreatePersistsProbeTargetAndListReturnsConfiguredValue(t *testing.T) {
+	h := setupProbeTargetTunnelHandler(t)
+	body := bytes.NewReader([]byte(`{
+		"name":"custom-target",
+		"type":1,
+		"flow":1,
+		"trafficRatio":1,
+		"status":1,
+		"inNodeId":[{"nodeId":10,"protocol":"tls"}],
+		"probeTargetHost":"speed.example.com",
+		"probeTargetPort":8443
+	}`))
+
+	res := httptest.NewRecorder()
+	h.tunnelCreate(res, httptest.NewRequest(http.MethodPost, "/api/v1/tunnel/create", body))
+	assertProbeTargetSuccess(t, res)
+
+	listRes := httptest.NewRecorder()
+	h.tunnelList(listRes, httptest.NewRequest(http.MethodPost, "/api/v1/tunnel/list", nil))
+	var payload struct {
+		Code int              `json:"code"`
+		Data []map[string]any `json:"data"`
+	}
+	decodeProbeTargetResponse(t, listRes, &payload)
+	if payload.Code != 0 {
+		t.Fatalf("expected success, got code %d", payload.Code)
+	}
+	item := payload.Data[0]
+	if item["probeTargetHost"] != "speed.example.com" || item["probeTargetPort"] != float64(8443) {
+		t.Fatalf("unexpected probe target in list response: %+v", item)
+	}
+}
+
+func TestTunnelUpdatePersistsDefaultProbeTargetAsEmpty(t *testing.T) {
+	h := setupProbeTargetTunnelHandler(t)
+	seedProbeTargetTunnel(t, h, 77, "existing", "old.example.com", 9443)
+	body := bytes.NewReader([]byte(`{
+		"id":77,
+		"name":"existing",
+		"type":1,
+		"flow":1,
+		"trafficRatio":1,
+		"status":1,
+		"inNodeId":[{"nodeId":10,"protocol":"tls"}],
+		"probeTargetHost":"",
+		"probeTargetPort":0
+	}`))
+
+	res := httptest.NewRecorder()
+	h.tunnelUpdate(res, httptest.NewRequest(http.MethodPost, "/api/v1/tunnel/update", body))
+	assertProbeTargetSuccess(t, res)
+
+	items, err := h.repo.ListTunnels()
+	if err != nil {
+		t.Fatalf("list tunnels: %v", err)
+	}
+	item := findProbeTargetTunnelItem(t, items, 77)
+	if item["probeTargetHost"] != "" || item["probeTargetPort"] != 0 {
+		t.Fatalf("expected default target to round-trip as empty/0, got %+v", item)
+	}
+}
+
+func TestTunnelCreateRejectsInvalidProbeTarget(t *testing.T) {
+	h := setupProbeTargetTunnelHandler(t)
+	body := bytes.NewReader([]byte(`{
+		"name":"bad-target",
+		"type":1,
+		"flow":1,
+		"trafficRatio":1,
+		"status":1,
+		"inNodeId":[{"nodeId":10,"protocol":"tls"}],
+		"probeTargetHost":"https://example.com",
+		"probeTargetPort":443
+	}`))
+
+	res := httptest.NewRecorder()
+	h.tunnelCreate(res, httptest.NewRequest(http.MethodPost, "/api/v1/tunnel/create", body))
+	var payload struct {
+		Code int    `json:"code"`
+		Msg  string `json:"msg"`
+	}
+	decodeProbeTargetResponse(t, res, &payload)
+	if payload.Code == 0 || payload.Msg == "" {
+		t.Fatalf("expected validation failure, got %+v", payload)
+	}
+}
+
+func setupProbeTargetTunnelHandler(t *testing.T) *Handler {
+	t.Helper()
+	r, err := repo.Open(filepath.Join(t.TempDir(), "panel.db"))
+	if err != nil {
+		t.Fatalf("open sqlite: %v", err)
+	}
+	t.Cleanup(func() { _ = r.Close() })
+	h := New(r, "secret")
+	now := time.Now().UnixMilli()
+	if err := r.DB().Exec(`
+		INSERT INTO node(id, name, secret, server_ip, server_ip_v4, server_ip_v6, port, interface_name, version, http, tls, socks, created_time, updated_time, status, tcp_listen_addr, udp_listen_addr, inx)
+		VALUES(10, 'entry-a', 'entry-secret', '10.0.0.1', '10.0.0.1', '', '30000-30010', '', 'v1', 1, 1, 1, ?, ?, 1, '[::]', '[::]', 0)
+	`, now, now).Error; err != nil {
+		t.Fatalf("insert node: %v", err)
+	}
+	return h
+}
+
+func seedProbeTargetTunnel(t *testing.T, h *Handler, id int64, name string, host string, port int) {
+	t.Helper()
+	now := time.Now().UnixMilli()
+	if err := h.repo.DB().Exec(`
+		INSERT INTO tunnel(id, name, traffic_ratio, type, protocol, flow, created_time, updated_time, status, inx, ip_preference, probe_target_host, probe_target_port)
+		VALUES(?, ?, 1, 1, 'tls', 1, ?, ?, 1, ?, '', ?, ?)
+	`, id, name, now, now, id, host, port).Error; err != nil {
+		t.Fatalf("insert tunnel: %v", err)
+	}
+	if err := h.repo.DB().Exec(`
+		INSERT INTO chain_tunnel(tunnel_id, chain_type, node_id, port, strategy, inx, protocol)
+		VALUES(?, '1', 10, 30001, 'round', 1, 'tls')
+	`, id).Error; err != nil {
+		t.Fatalf("insert chain: %v", err)
+	}
+}
+
+func assertProbeTargetSuccess(t *testing.T, res *httptest.ResponseRecorder) {
+	t.Helper()
+	var payload struct {
+		Code int    `json:"code"`
+		Msg  string `json:"msg"`
+	}
+	decodeProbeTargetResponse(t, res, &payload)
+	if payload.Code != 0 {
+		t.Fatalf("expected success, got %+v", payload)
+	}
+}
+
+func decodeProbeTargetResponse(t *testing.T, res *httptest.ResponseRecorder, v any) {
+	t.Helper()
+	if res.Code != http.StatusOK {
+		t.Fatalf("expected HTTP %d, got %d", http.StatusOK, res.Code)
+	}
+	if err := json.NewDecoder(res.Body).Decode(v); err != nil {
+		t.Fatalf("decode response: %v", err)
+	}
+}
+
+func findProbeTargetTunnelItem(t *testing.T, items []map[string]interface{}, id int64) map[string]interface{} {
+	t.Helper()
+	for _, item := range items {
+		if asInt64(item["id"], 0) == id {
+			return item
+		}
+	}
+	t.Fatalf("tunnel %d not found: %+v", id, items)
+	return nil
+}

go-backend/internal/store/model/model.go

@@ -119,18 +119,20 @@ type StatisticsFlow struct {
 func (StatisticsFlow) TableName() string { return "statistics_flow" }
 
 type Tunnel struct {
-	ID           int64          `gorm:"primaryKey;autoIncrement"`
+	ID              int64          `gorm:"primaryKey;autoIncrement"`
-	Name         string         `gorm:"type:varchar(100);not null"`
+	Name            string         `gorm:"type:varchar(100);not null"`
-	TrafficRatio float64        `gorm:"column:traffic_ratio;not null;default:1.0"`
+	TrafficRatio    float64        `gorm:"column:traffic_ratio;not null;default:1.0"`
-	Type         int            `gorm:"not null"`
+	Type            int            `gorm:"not null"`
-	Protocol     string         `gorm:"type:varchar(10);not null;default:'tls'"`
+	Protocol        string         `gorm:"type:varchar(10);not null;default:'tls'"`
-	Flow         int64          `gorm:"not null"`
+	Flow            int64          `gorm:"not null"`
-	CreatedTime  int64          `gorm:"column:created_time;not null"`
+	CreatedTime     int64          `gorm:"column:created_time;not null"`
-	UpdatedTime  int64          `gorm:"column:updated_time;not null"`
+	UpdatedTime     int64          `gorm:"column:updated_time;not null"`
-	Status       int            `gorm:"not null"`
+	Status          int            `gorm:"not null"`
-	InIP         sql.NullString `gorm:"column:in_ip;type:text"`
+	InIP            sql.NullString `gorm:"column:in_ip;type:text"`
-	Inx          int            `gorm:"not null;default:0"`
+	Inx             int            `gorm:"not null;default:0"`
-	IPPreference string         `gorm:"column:ip_preference;type:varchar(10);not null;default:''"`
+	IPPreference    string         `gorm:"column:ip_preference;type:varchar(10);not null;default:''"`
+	ProbeTargetHost string         `gorm:"column:probe_target_host;type:text;not null;default:''"`
+	ProbeTargetPort int            `gorm:"column:probe_target_port;not null;default:0"`
 }
 
 func (Tunnel) TableName() string { return "tunnel" }

go-backend/internal/store/repo/repository.go

@@ -1141,11 +1141,13 @@ func (r *Repository) ListTunnels() ([]map[string]interface{}, error) {
 			"id": t.ID, "inx": t.Inx, "name": t.Name,
 			"type": t.Type, "flow": t.Flow, "trafficRatio": t.TrafficRatio,
 			"status": t.Status, "createdTime": t.CreatedTime,
-			"inIp":         nullableString(t.InIP),
+			"inIp":            nullableString(t.InIP),
-			"ipPreference": t.IPPreference,
+			"ipPreference":    t.IPPreference,
-			"inNodeId":     make([]map[string]interface{}, 0),
+			"probeTargetHost": t.ProbeTargetHost,
-			"outNodeId":    make([]map[string]interface{}, 0),
+			"probeTargetPort": t.ProbeTargetPort,
-			"chainNodes":   make([][]map[string]interface{}, 0),
+			"inNodeId":        make([]map[string]interface{}, 0),
+			"outNodeId":       make([]map[string]interface{}, 0),
+			"chainNodes":      make([][]map[string]interface{}, 0),
 		}
 		orderedIDs = append(orderedIDs, t.ID)
 	}

go-backend/internal/store/repo/repository_mutations.go

@@ -397,22 +397,24 @@ func (r *Repository) UpdateTunnelOrder(tunnelID int64, inx int, now int64) {
 		Updates(map[string]interface{}{"inx": inx, "updated_time": now}).Error
 }
 
-func (r *Repository) UpdateTunnelTx(tx *gorm.DB, tunnelID int64, name string, typeVal int, flow int64, trafficRatio float64, status int, inIP, ipPreference string, protocol string, now int64) error {
+func (r *Repository) UpdateTunnelTx(tx *gorm.DB, tunnelID int64, name string, typeVal int, flow int64, trafficRatio float64, status int, inIP, ipPreference string, protocol string, probeTargetHost string, probeTargetPort int, now int64) error {
 	if tx == nil {
 		return errors.New("database unavailable")
 	}
 	return tx.Model(&model.Tunnel{}).
 		Where("id = ?", tunnelID).
 		Updates(map[string]interface{}{
-			"name":          name,
+			"name":              name,
-			"type":          typeVal,
+			"type":              typeVal,
-			"flow":          flow,
+			"flow":              flow,
-			"traffic_ratio": trafficRatio,
+			"traffic_ratio":     trafficRatio,
-			"status":        status,
+			"status":            status,
-			"in_ip":         nullStringFromInterface(inIP),
+			"in_ip":             nullStringFromInterface(inIP),
-			"ip_preference": ipPreference,
+			"ip_preference":     ipPreference,
-			"protocol":      protocol,
+			"protocol":          protocol,
-			"updated_time":  now,
+			"probe_target_host": probeTargetHost,
+			"probe_target_port": probeTargetPort,
+			"updated_time":      now,
 		}).Error
 }
 
@@ -1326,20 +1328,22 @@ func (r *Repository) BatchUpdateForwardStatus(ids []int64, status int) (int, int
 	return s, f
 }
 
-func (r *Repository) CreateTunnelTx(tx *gorm.DB, name string, trafficRatio float64, typeVal int, flow int64, now int64, status int, inIP interface{}, inx int, ipPreference string) (int64, error) {
+func (r *Repository) CreateTunnelTx(tx *gorm.DB, name string, trafficRatio float64, typeVal int, flow int64, now int64, status int, inIP interface{}, inx int, ipPreference string, probeTargetHost string, probeTargetPort int) (int64, error) {
 	inIPVal := nullStringFromInterface(inIP)
 	tunnel := model.Tunnel{
-		Name:         name,
+		Name:            name,
-		TrafficRatio: trafficRatio,
+		TrafficRatio:    trafficRatio,
-		Type:         typeVal,
+		Type:            typeVal,
-		Protocol:     "tls",
+		Protocol:        "tls",
-		Flow:         flow,
+		Flow:            flow,
-		CreatedTime:  now,
+		CreatedTime:     now,
-		UpdatedTime:  now,
+		UpdatedTime:     now,
-		Status:       status,
+		Status:          status,
-		InIP:         inIPVal,
+		InIP:            inIPVal,
-		Inx:          inx,
+		Inx:             inx,
-		IPPreference: ipPreference,
+		IPPreference:    ipPreference,
+		ProbeTargetHost: probeTargetHost,
+		ProbeTargetPort: probeTargetPort,
 	}
 	if err := tx.Create(&tunnel).Error; err != nil {
 		return 0, err