2.2.42 DPSP_MSG_PING

The DPSP_MSG_PING packet is used to keep the UDP session active and to optimize the protocol.


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DPSP_MSG_HEADER (variable)

...

IDFrom

TickCount

DPSP_MSG_HEADER (variable): Message header for this packet. The Command Value member of this field MUST be set to 22 (0x16). If the DirectPlay 4 Reliable Protocol is used, the header does not contain the size, token, and SockAddr fields.

IDFrom (4 bytes): MUST be set to the identifier of the player who sent the ping.

TickCount (4 bytes): MUST be set to the number of milliseconds that have elapsed since the computer system was started.