2.2.2.1 CommonHeader Structure
The CommonHeader structure is used by all messages. It identifies the structure of the message and the encoded length of the message content.
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Id |
Length |
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Id (1 byte): This field specifies the message type as indicated by the MessageId enumeration (section 2.2.1.1).
Length (2 bytes): This field specifies the number of bytes following the message header.