requires n.mu is held
(ctx context.Context)
| 109 | |
| 110 | // requires n.mu is held |
| 111 | func (n *versionsDir) condRefresh(ctx context.Context) error { |
| 112 | if n.lastQuery.After(time.Now().Add(-versionsRefreshTime)) { |
| 113 | return nil |
| 114 | } |
| 115 | Logger.Printf("fs.versions: querying") |
| 116 | |
| 117 | var rootRes, impRes *search.WithAttrResponse |
| 118 | var grp syncutil.Group |
| 119 | grp.Go(func() (err error) { |
| 120 | rootRes, err = n.fs.client.GetPermanodesWithAttr(ctx, &search.WithAttrRequest{N: 100, Attr: "camliRoot"}) |
| 121 | return |
| 122 | }) |
| 123 | grp.Go(func() (err error) { |
| 124 | impRes, err = n.fs.client.GetPermanodesWithAttr(ctx, &search.WithAttrRequest{N: 100, Attr: "camliImportRoot"}) |
| 125 | return |
| 126 | }) |
| 127 | if err := grp.Err(); err != nil { |
| 128 | Logger.Printf("fs.versions: GetRecentPermanodes error in ReadDir: %v", err) |
| 129 | return err |
| 130 | } |
| 131 | |
| 132 | n.m = make(map[string]blob.Ref) |
| 133 | if n.children == nil { |
| 134 | n.children = make(map[string]fs.Node) |
| 135 | } |
| 136 | |
| 137 | dr := &search.DescribeRequest{ |
| 138 | Depth: 1, |
| 139 | } |
| 140 | for _, wi := range rootRes.WithAttr { |
| 141 | dr.BlobRefs = append(dr.BlobRefs, wi.Permanode) |
| 142 | } |
| 143 | for _, wi := range impRes.WithAttr { |
| 144 | dr.BlobRefs = append(dr.BlobRefs, wi.Permanode) |
| 145 | } |
| 146 | if len(dr.BlobRefs) == 0 { |
| 147 | return nil |
| 148 | } |
| 149 | |
| 150 | dres, err := n.fs.client.Describe(ctx, dr) |
| 151 | if err != nil { |
| 152 | Logger.Printf("Describe failure: %v", err) |
| 153 | return err |
| 154 | } |
| 155 | |
| 156 | // Roots |
| 157 | currentRoots := map[string]bool{} |
| 158 | for _, wi := range rootRes.WithAttr { |
| 159 | pn := wi.Permanode |
| 160 | db := dres.Meta[pn.String()] |
| 161 | if db != nil && db.Permanode != nil { |
| 162 | name := db.Permanode.Attr.Get("camliRoot") |
| 163 | if name != "" { |
| 164 | currentRoots[name] = true |
| 165 | n.m[name] = pn |
| 166 | } |
| 167 | } |
| 168 | } |