skyscraper8/Documentation/Reuters WNE Packet Format.md

Reuters WNE Packet Format

Format is little endian.

Common bytes:

• Byte 0: always 0x00
• Byte 1: "Packet family", always 0x01, 0x03 or 0xff
• Bytes 2-3: Packet length
• Bytes 4-7: Session ID. This changes for every news story.

A/V File Payloads:

• Byte 1: always 0x01
• Bytes 8-11: Block number, always incremented by 1 each packet.
• Bytes 12-15: always 0x00000000
• Bytes 16-end: payload

A/V File announcement:

• Byte 1: always 0x03
• Bytes 8-11: ???
• Bytes 12-13: Packet length, minus header (16) minus 8.

Metadata File Payloads:

-Bytes 16-end: payload

Metadata file announcement:

• Bytes 12-13: ???
• Bytes 14-15: (uint16) Packet length minus 15
• Bytes 16-17: always seems to be 0x0003
• Bytes 18-19: (uint16) Always seems to be the value of bytes 14-15 minus one.