DecodeFrom reads the header from the hashReader. Returns the number of bytes read.
(reader *hashReader)
| 109 | // DecodeFrom reads the header from the hashReader. |
| 110 | // Returns the number of bytes read. |
| 111 | func (h *header) DecodeFrom(reader *hashReader) (int, error) { |
| 112 | var err error |
| 113 | h.meta, err = reader.ReadByte() |
| 114 | if err != nil { |
| 115 | return 0, err |
| 116 | } |
| 117 | h.userMeta, err = reader.ReadByte() |
| 118 | if err != nil { |
| 119 | return 0, err |
| 120 | } |
| 121 | klen, err := binary.ReadUvarint(reader) |
| 122 | if err != nil { |
| 123 | return 0, err |
| 124 | } |
| 125 | h.klen = uint32(klen) |
| 126 | vlen, err := binary.ReadUvarint(reader) |
| 127 | if err != nil { |
| 128 | return 0, err |
| 129 | } |
| 130 | h.vlen = uint32(vlen) |
| 131 | h.expiresAt, err = binary.ReadUvarint(reader) |
| 132 | if err != nil { |
| 133 | return 0, err |
| 134 | } |
| 135 | return reader.bytesRead, nil |
| 136 | } |
| 137 | |
| 138 | // Entry provides Key, Value, UserMeta and ExpiresAt. This struct can be used by |
| 139 | // the user to set data. |