On Sat, Aug 13, 2016 at 5:14 PM, Peter Chen <peter.feifan.c...@gmail.com>
wrote:

> I was wondering what is the proper solution when you try to send a payload
> of arbitrary size while dealing with the possibility of fragmentation?
>
> For example, if I serialize a struct of the following form:
>
> struct a {
>      int buffer_len;
>      char* buf;
> }
>
> When I pack it, say my resulting byte array is 2000 bytes. When I receive
> this byte array and de-serialize into my struct a:
>
> 1) When I call read(), it returns the number of bytes read, what happens
> if this is <2000 (say, 1000 bytes) and I try to deserialize? Would I still
> get a struct a, with the correct buffer_len but only half of the data in
> buf? Or would protobuf throw somekind of error?
> 1) How do I know I have all 2048 bytes of my byte buffer?
>
What implementation are you using? I don't think protobuf supports struct.


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