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ImperfectFreak

HawkNL and sending and reading data

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Assuming that each string is <= 255 characters, and there's <= 255 strings, I'd do something like:


template< class Iter >
void sendArray( Iter ptr, Iter end, SOCKET s ) {
static unsigned char tempBuf[65536];
unsigned char * buf = tempBuf;
assert( end-ptr <= 255 );
*buf++ = (unsigned char)(end-ptr);
while( ptr < end ) {
size_t l = (*ptr).size();
assert( l <= 255 );
*buf++ = (unsigned char)l;
strcpy( (char *)buf, (*ptr).c_str() );
buf += l;
++ptr;
}
::send( s, tempBuf, ptr-tempBuf, 0 );
}


To receive it, you'd read a byte for the number of strings, and then read that many strings, each of which is a length byte, followed by that many characters of data.

For the more general case (which I'm sure you'll run into pretty quickly), google for "marshalling" or "serialization".

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