2.2.2.1.2 Client Message Header (CLIENT_IO_HEADER)
All I/O Reply messages (messages from client to server) use the following Reply header.
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RequestId |
PacketType |
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RequestId (3 bytes): A 24-bit unsigned integer. For I/O response messages, this value MUST contain the same value as the RequestId field in the SERVER_IO_HEADER of the corresponding request message. If the PacketType field contains 0x01, this is a Custom Event Message. This field is unused, MAY contain any value, and MUST be ignored.
PacketType (1 byte): An 8-bit unsigned integer that indicates the packet type. The field MUST contain one of the following values.
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Value
Meaning
RESPONSE_PACKET
0x00
Indicates that the message is a response to an I/O request from the server.
CUSTOM_EVENT_PACKET
0x01
Indicates that the message is a custom event message generated by the client.