|
| 1 | +package services |
| 2 | + |
| 3 | +import ( |
| 4 | + "NodePassDash/internal/models" |
| 5 | + "NodePassDash/internal/nodepass" |
| 6 | + "fmt" |
| 7 | + |
| 8 | + "gorm.io/gorm" |
| 9 | +) |
| 10 | + |
| 11 | +type ServiceImpl struct { |
| 12 | + db *gorm.DB |
| 13 | +} |
| 14 | + |
| 15 | +func NewService(db *gorm.DB) *ServiceImpl { |
| 16 | + return &ServiceImpl{db: db} |
| 17 | +} |
| 18 | + |
| 19 | +// GetServices 获取所有服务 |
| 20 | +func (s *ServiceImpl) GetServices() ([]*Service, error) { |
| 21 | + var modelServices []models.Services |
| 22 | + err := s.db.Order("sid, type").Find(&modelServices).Error |
| 23 | + if err != nil { |
| 24 | + return nil, err |
| 25 | + } |
| 26 | + |
| 27 | + var services []*Service |
| 28 | + for _, modelService := range modelServices { |
| 29 | + services = append(services, &Service{ |
| 30 | + Sid: modelService.Sid, |
| 31 | + Type: modelService.Type, |
| 32 | + Alias: modelService.Alias, |
| 33 | + ServerInstanceId: modelService.ServerInstanceId, |
| 34 | + ClientInstanceId: modelService.ClientInstanceId, |
| 35 | + ServerEndpointId: modelService.ServerEndpointId, |
| 36 | + ClientEndpointId: modelService.ClientEndpointId, |
| 37 | + TunnelPort: modelService.TunnelPort, |
| 38 | + TunnelEndpointName: modelService.TunnelEndpointName, |
| 39 | + EntrancePort: modelService.EntrancePort, |
| 40 | + EntranceHost: modelService.EntranceHost, |
| 41 | + ExitPort: modelService.ExitPort, |
| 42 | + ExitHost: modelService.ExitHost, |
| 43 | + CreatedAt: modelService.CreatedAt, |
| 44 | + UpdatedAt: modelService.UpdatedAt, |
| 45 | + }) |
| 46 | + } |
| 47 | + |
| 48 | + return services, nil |
| 49 | +} |
| 50 | + |
| 51 | +// GetServiceByID 根据 SID 和 Type 获取单个服务 |
| 52 | +func (s *ServiceImpl) GetServiceByID(sid, serviceType string) (*Service, error) { |
| 53 | + var modelService models.Services |
| 54 | + err := s.db.Where("sid = ? AND type = ?", sid, serviceType).First(&modelService).Error |
| 55 | + if err != nil { |
| 56 | + return nil, err |
| 57 | + } |
| 58 | + |
| 59 | + return &Service{ |
| 60 | + Sid: modelService.Sid, |
| 61 | + Type: modelService.Type, |
| 62 | + Alias: modelService.Alias, |
| 63 | + ServerInstanceId: modelService.ServerInstanceId, |
| 64 | + ClientInstanceId: modelService.ClientInstanceId, |
| 65 | + ServerEndpointId: modelService.ServerEndpointId, |
| 66 | + ClientEndpointId: modelService.ClientEndpointId, |
| 67 | + TunnelPort: modelService.TunnelPort, |
| 68 | + TunnelEndpointName: modelService.TunnelEndpointName, |
| 69 | + EntrancePort: modelService.EntrancePort, |
| 70 | + EntranceHost: modelService.EntranceHost, |
| 71 | + ExitPort: modelService.ExitPort, |
| 72 | + ExitHost: modelService.ExitHost, |
| 73 | + CreatedAt: modelService.CreatedAt, |
| 74 | + UpdatedAt: modelService.UpdatedAt, |
| 75 | + }, nil |
| 76 | +} |
| 77 | + |
| 78 | +// GetAvailableInstances 获取可用实例（没有peer或peer.sid的实例） |
| 79 | +func (s *ServiceImpl) GetAvailableInstances() ([]*AvailableInstance, error) { |
| 80 | + var tunnels []models.Tunnel |
| 81 | + |
| 82 | + // 查询没有 peer 或 peer.sid 为空的隧道 |
| 83 | + // peer 字段为 JSON，需要检查是否为 null 或者 sid 字段为空 |
| 84 | + err := s.db.Where("peer IS NULL OR json_extract(peer, '$.sid') IS NULL OR json_extract(peer, '$.sid') = ''"). |
| 85 | + Preload("Endpoint"). |
| 86 | + Find(&tunnels).Error |
| 87 | + |
| 88 | + if err != nil { |
| 89 | + return nil, err |
| 90 | + } |
| 91 | + |
| 92 | + var instances []*AvailableInstance |
| 93 | + for _, tunnel := range tunnels { |
| 94 | + if tunnel.InstanceID == nil { |
| 95 | + continue |
| 96 | + } |
| 97 | + |
| 98 | + instances = append(instances, &AvailableInstance{ |
| 99 | + InstanceId: *tunnel.InstanceID, |
| 100 | + EndpointId: tunnel.EndpointID, |
| 101 | + EndpointName: tunnel.Endpoint.Name, |
| 102 | + TunnelType: string(tunnel.Type), |
| 103 | + Name: tunnel.Name, |
| 104 | + TunnelAddress: tunnel.TunnelAddress, |
| 105 | + TunnelPort: tunnel.TunnelPort, |
| 106 | + TargetAddress: tunnel.TargetAddress, |
| 107 | + TargetPort: tunnel.TargetPort, |
| 108 | + }) |
| 109 | + } |
| 110 | + |
| 111 | + return instances, nil |
| 112 | +} |
| 113 | + |
| 114 | +// AssembleService 组装服务 |
| 115 | +func (s *ServiceImpl) AssembleService(req *AssembleServiceRequest) error { |
| 116 | + // 验证客户端实例是否存在并获取 tunnel 信息 |
| 117 | + var clientTunnel models.Tunnel |
| 118 | + if err := s.db.Where("instance_id = ?", req.ClientInstanceId).First(&clientTunnel).Error; err != nil { |
| 119 | + return fmt.Errorf("客户端实例不存在: %w", err) |
| 120 | + } |
| 121 | + |
| 122 | + // 如果需要服务端实例，验证是否存在并获取 tunnel 信息 |
| 123 | + var serverTunnel *models.Tunnel |
| 124 | + if req.ServerInstanceId != nil && *req.ServerInstanceId != "" { |
| 125 | + serverTunnel = &models.Tunnel{} |
| 126 | + if err := s.db.Where("instance_id = ?", *req.ServerInstanceId).First(serverTunnel).Error; err != nil { |
| 127 | + return fmt.Errorf("服务端实例不存在: %w", err) |
| 128 | + } |
| 129 | + } |
| 130 | + |
| 131 | + // 创建 peer 对象 |
| 132 | + alias := req.Name |
| 133 | + peer := &models.Peer{ |
| 134 | + SID: &req.Sid, |
| 135 | + Type: &req.Type, |
| 136 | + Alias: &alias, |
| 137 | + } |
| 138 | + |
| 139 | + // 调用 nodepass API 更新客户端实例的 peer 信息 |
| 140 | + if _, err := nodepass.UpdateInstancePeers(clientTunnel.EndpointID, req.ClientInstanceId, peer); err != nil { |
| 141 | + return fmt.Errorf("更新客户端实例peer信息失败: %w", err) |
| 142 | + } |
| 143 | + |
| 144 | + // 更新数据库中客户端隧道的 peer 字段 |
| 145 | + clientTunnel.Peer = peer |
| 146 | + if err := s.db.Model(&models.Tunnel{}). |
| 147 | + Where("instance_id = ?", req.ClientInstanceId). |
| 148 | + Select("peer"). |
| 149 | + Updates(&clientTunnel).Error; err != nil { |
| 150 | + return fmt.Errorf("更新客户端隧道peer字段失败: %w", err) |
| 151 | + } |
| 152 | + |
| 153 | + // 如果有服务端实例，也调用 nodepass API 更新其 peer 信息 |
| 154 | + if serverTunnel != nil { |
| 155 | + if _, err := nodepass.UpdateInstancePeers(serverTunnel.EndpointID, *req.ServerInstanceId, peer); err != nil { |
| 156 | + return fmt.Errorf("更新服务端实例peer信息失败: %w", err) |
| 157 | + } |
| 158 | + |
| 159 | + // 更新数据库中服务端隧道的 peer 字段 |
| 160 | + serverTunnel.Peer = peer |
| 161 | + if err := s.db.Model(&models.Tunnel{}). |
| 162 | + Where("instance_id = ?", *req.ServerInstanceId). |
| 163 | + Select("peer"). |
| 164 | + Updates(serverTunnel).Error; err != nil { |
| 165 | + return fmt.Errorf("更新服务端隧道peer字段失败: %w", err) |
| 166 | + } |
| 167 | + } |
| 168 | + |
| 169 | + return nil |
| 170 | +} |
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