Module header 

RTPS-Header (DDSI-RTPS 2.5 §8.3.3).

The RTPS header forms the outer envelope of an RTPS datagram. It is 20 bytes long (4 magic + 2 version + 2 vendor + 12 prefix), fixed layout, and not endianness-tagged (all fields are byte arrays).

  0                   1                   2                   3
  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 |   'R' = 0x52  |   'T' = 0x54  |   'P' = 0x50  |   'S' = 0x53  |
 +---------------+---------------+---------------+---------------+
 | major version | minor version |   vendor.major| vendor.minor  |
 +---------------+---------------+---------------+---------------+
 |                                                               |
 +                                                               +
 |                          guidPrefix                           |
 +                                                               +
 |                                                               |
 +---------------+---------------+---------------+---------------+

Structs

RtpsHeader

RTPS-Header (20 Byte fix).

Constants

RTPS_MAGIC

RTPS-Magic-Bytes “RTPS”.