ssize_t tcp_stream_next(struct tcp_stream *stream, unsigned *way_)
{
unsigned way;
if (stream->past_len[0] >= stream->len) {
if (stream->past_len[1] >= stream->len) {
if (! stream->fin_acked[0]) {
way = 1;
} else if (! stream->fin_acked[1]) {
way = 0;
} else { // nothing left to be done
return 0;
}
} else {
way = 1;
}
} else if (stream->past_len[1] >= stream->len) {
way = 0;
} else if (stream->past_len[0] == 0 && stream->past_len[1] == 0) {
way = 0; // we want client to be way=0
} else if (stream->past_len[0] == 1 && stream->past_len[1] == 0) {
way = 1; // synack
} else if (stream->past_len[0] == 1 && stream->past_len[1] == 1) {
way = 0; // ack of synack (+ first datas)
} else {
way = !!(rand() & 0x100);
}
if (way_) *way_ = way;
return stream_packet(stream, way);
}
void testSlipMsg() {
char* test = "Hola. Test!";
stream_packet(&chargeter,test);
}
