func copyReferences(clientReferences *capn.DataList, references *msgs.VarIdPos_List, referencesInNeedOfPositions *[]*msgs.VarIdPos) {
for idx, l := 0, clientReferences.Len(); idx < l; idx++ {
vUUIdPos := references.At(idx)
vUUId := clientReferences.At(idx)
vUUIdPos.SetId(vUUId)
*referencesInNeedOfPositions = append(*referencesInNeedOfPositions, &vUUIdPos)
}
}
func (c *cache) updateFromWrite(txnId *common.TxnId, vUUId *common.VarUUId, value []byte, refs *capn.DataList) bool {
vr, found := c.m[*vUUId]
references := make([]*common.VarUUId, refs.Len())
switch {
case found && vr.version.Equal(txnId):
log.Fatal("Divergence discovered on update of ", vUUId, ": server thinks we don't have ", txnId, " but we do!")
return false
case found:
// Must use the new array because there could be txns in
// progress that still have pointers to the old array.
vr.references = references
default:
vr = &valueRef{references: references}
c.m[*vUUId] = vr
}
// fmt.Printf("%v updated (%v -> %v)\n", vUUId, vr.version, txnId)
vr.version = txnId
vr.value = value
for idz, n := 0, refs.Len(); idz < n; idz++ {
vr.references[idz] = common.MakeVarUUId(refs.At(idz))
}
return found
}