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?
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