mirror of https://github.com/ceph/go-ceph
72 lines
2.4 KiB
Go
72 lines
2.4 KiB
Go
//go:build !nautilus && ceph_preview
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// +build !nautilus,ceph_preview
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package rbd
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// #cgo LDFLAGS: -lrbd
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// #include <stdlib.h>
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// #include <rbd/librbd.h>
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import "C"
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import (
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"encoding/json"
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"strings"
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)
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// MirrorDescriptionReplayStatus contains information pertaining to the status
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// of snapshot based RBD image mirroring.
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type MirrorDescriptionReplayStatus struct {
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ReplayState string `json:"replay_state"`
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RemoteSnapshotTimestamp int64 `json:"remote_snapshot_timestamp"`
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LocalSnapshotTimestamp int64 `json:"local_snapshot_timestamp"`
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SyncingSnapshotTimestamp int64 `json:"syncing_snapshot_timestamp"`
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SyncingPercent int `json:"syncing_percent"`
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BytesPerSecond float64 `json:"bytes_per_second"`
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BytesPerSnapshot float64 `json:"bytes_per_snapshot"`
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LastSnapshotSyncSeconds int64 `json:"last_snapshot_sync_seconds"`
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LastSnapshotBytes int64 `json:"last_snapshot_bytes"`
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}
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// extractDescriptionJSON will extract one string containing a JSON object from
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// the description if one can be found.
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func (s *SiteMirrorImageStatus) extractDescriptionJSON() (string, error) {
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start := strings.Index(s.Description, "{")
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if start == -1 {
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return "", ErrNotExist
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}
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end := strings.LastIndex(s.Description, "}")
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if end == -1 {
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return "", ErrNotExist
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}
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if start >= end {
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return "", ErrNotExist
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}
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return s.Description[start : end+1], nil
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}
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// UnmarshalDescriptionJSON parses an embedded JSON string that may be found in
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// the description of the SiteMirrorImageStatus. It will store the result in
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// the value pointed to by v. If no embedded JSON string is found an
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// ErrNotExist error is returned. An error may also be returned if the contents
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// can not be parsed.
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func (s *SiteMirrorImageStatus) UnmarshalDescriptionJSON(v interface{}) error {
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desc, err := s.extractDescriptionJSON()
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if err != nil {
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return err
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}
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return json.Unmarshal([]byte(desc), v)
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}
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// DescriptionReplayStatus parses a MirrorDescriptionReplayStatus result out of
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// the image status description field if available. If the embedded status JSON
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// is not found or fails to parse and error will be returned.
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func (s *SiteMirrorImageStatus) DescriptionReplayStatus() (
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*MirrorDescriptionReplayStatus, error) {
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// ---
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mdrs := MirrorDescriptionReplayStatus{}
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if err := s.UnmarshalDescriptionJSON(&mdrs); err != nil {
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return nil, err
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}
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return &mdrs, nil
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}
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