func writeCgetResponse(w *bufio.Writer, etag uint64, item *ybc.Item, scratchBuf *[]byte) bool {
var validateTtl, flags uint32
if err := binaryRead(item, &validateTtl, "validateTtl"); err != nil {
return false
}
if err := binaryRead(item, &flags, "flags"); err != nil {
return false
}
size := item.Available()
expiration := item.Ttl()
return writeStr(w, strValue) && writeInt(w, size, scratchBuf) && writeWs(w) &&
writeUint32(w, flags, scratchBuf) && writeWs(w) &&
writeExpiration(w, expiration, scratchBuf) && writeWs(w) &&
writeUint64(w, etag, scratchBuf) && writeWs(w) &&
writeUint32(w, validateTtl, scratchBuf) && writeCrLf(w) &&
writeItem(w, item, size)
}
func updateLocalItem(cache ybc.Cacher, it *ybc.Item, item *Item, etag uint64, validateTtl uint32) {
size := it.Available()
offset := it.Size() - size
defer it.Seek(int64(offset), 0)
txn := writeItemMetadata(cache, item.Key, size, it.Ttl(), etag, validateTtl, item.Flags)
if txn == nil {
return
}
defer txn.Commit()
n, err := txn.ReadFrom(it)
if err != nil {
log.Fatalf("Unexpected error in SetTxn.ReadFrom(size=%d): [%s]", size, err)
}
if n != int64(size) {
log.Fatalf("Unexpected number of bytes copied in SetTxn.ReadFrom(size=%d): %d", size, n)
}
}