server

type Availability struct {
	IsUp      bool
	DownSince time.Time
	DownCode  codes.Code
	sync.Mutex
}

type Backend struct {
	Id            string
	Addr          string
	I             *I
	Codesearch    pb.CodeSearchClient
	GrpcClient    *grpc.ClientConn
	Up            *Availability
	BackupBackend *Backend
	IsBackup      bool
}

type BackendStatus struct {
	GrpcStatus   connectivity.State `json:"grpc_status"`
	IndexAge     string             `json:"index_age"`
	IndexName    string             `json:"index_name"`
	Up           *Availability      `json:"up"`
	BuGrpcStatus connectivity.State `json:"bu_grpc_status"`
	BuIndexAge   string             `json:"bu_index_age"`
	BuIndexName  string             `json:"bu_index_name"`
	BuUp         *Availability      `json:"bu_up"`
}

type I struct {
	Name  string
	Trees []Tree
	sync.Mutex
	IndexTime time.Time
}

type Tree struct {
	Name    string
	Version string
	Url     string
}