代码拉取完成,页面将自动刷新
package store
import (
"github.com/hashicorp/raft"
"github.com/pkg/errors"
)
// DefaultRange returns a Range spanning all available indexes.
func DefaultRange(logs raft.LogStore) (*Range, error) {
first, err := logs.FirstIndex()
if err != nil {
return nil, errors.Wrap(err, "failed to get first index")
}
last, err := logs.LastIndex()
if err != nil {
return nil, errors.Wrap(err, "failed to get last index")
}
return &Range{First: first, Last: last}, nil
}
// HeadRange returns a range that includes only the first n entries.
func HeadRange(logs raft.LogStore, n int) (*Range, error) {
first, err := logs.FirstIndex()
if err != nil {
return nil, errors.Wrap(err, "failed to get first index")
}
last, err := logs.LastIndex()
if err != nil {
return nil, errors.Wrap(err, "failed to get last index")
}
if first+uint64(n) < last {
last = first + uint64(n)
}
return &Range{First: first, Last: last}, nil
}
// TailRange returns a range that includes only the last n entries.
func TailRange(logs raft.LogStore, n int) (*Range, error) {
last, err := logs.LastIndex()
if err != nil {
return nil, errors.Wrap(err, "failed to get last index")
}
first := uint64(0)
if last > uint64(n) {
first = last - uint64(n)
}
return &Range{First: first, Last: last}, nil
}
// Range contains the first and last index of a dump.
type Range struct {
First uint64
Last uint64
}
此处可能存在不合适展示的内容,页面不予展示。您可通过相关编辑功能自查并修改。
如您确认内容无涉及 不当用语 / 纯广告导流 / 暴力 / 低俗色情 / 侵权 / 盗版 / 虚假 / 无价值内容或违法国家有关法律法规的内容,可点击提交进行申诉,我们将尽快为您处理。