Module headers

The Chunk Headers

Every chunk has following headers:

1. The Basic Header
2. The Message Header
3. [Extended Timestamp]

The Basic Header

This indicates:

• A pattern of followed message header.
• Which the chunk stream are we in.

The Message Header

This indicates:

• A timestamp which has passed from its stream started.
• A pattern of followed chunk data.
• Which the message stream are we in.

This must be depended its format on a value in the basic header. That is, the message header has following correspondence with the basic header:

Number	Expected Format
0	11 bytes
1	7 bytes
2	3 bytes
3	0 bytes

Extended Timestamp

This is added when a timestamp in its message header exceeded the 3 bytes range. In that case, note its field must be filled with 0xFFFFFF (16777215).

Re-exports

• pub use self::message::New;
• pub use self::message::SameSource;
• pub use self::message::TimerChange;

Structs

• BasicHeader
  Indicates the chunk stream and message header’s format. This header has 3 types.

Enums

• MessageFormat
  The first 2 bits to indicate a format of message header.
• MessageHeader
  Indicates a chunk datum format and which stream is it into. This header has 4 types.
• MessageType
  Representation of message type id byte of the Message header.