I am working on a protocol for submission to the rfc.zeromq.com site. For one
of the fields (message frames) I need to define a unique sequence number. I
decided upon a combination of a 64-bit integer and a 16-byte UUID.
The UUID would uniquely identify each client. The sequence number would
uniquely identify each message from that client. When used together, each
message from N clients can be uniquely identified.
So, I thought I should define the frame as follows:
frame 2
24 bytes total
8 bytes - 64-bit integer (network byte order)
16 bytes - UUID
Is it portable to pack them both into the same frame like this? I assume a C
user could define a struct to map that frame directly.
e.g.
struct sequence_id {
uint64 number;
uchar uuid[16];
};
Is this all right? Or is there a better way to accomplish this framing?
cr
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