//getWithRange gets records with range using node n and adds to cache after checking them.
//if no records exist in cache, uses head
//return true if gotten records>0
func getWithRange(n *node.Node, c *thread.Cache, dm *Manager) bool {
got := false
for {
from, to := dm.Get(n)
if from <= 0 {
return got
}
var okcount int
ress, err := n.Talk(fmt.Sprintf("/get/%s/%d-%d", c.Datfile, from, to), nil)
if err != nil {
dm.Finished(n, false)
return false
}
err = db.DB.Update(func(tx *bolt.Tx) error {
for _, res := range ress {
errf := c.CheckData(tx, res, -1, "", from, to)
if errf == nil {
okcount++
}
}
return nil
})
if err != nil {
log.Println(err)
}
dm.Finished(n, true)
log.Println(c.Datfile, okcount, "records were saved from", n.Nodestr)
got = okcount > 0
}
}
