void rq_found_data(struct request *rq,struct chunk *c) {
struct chunk *d;
struct ranges r;
struct rangei ri;
int64_t x,y;
while(c) {
log_debug(("processing report of data at %"PRId64"+%"PRId64,
c->offset,c->length));
/* Help satisfy request */
ranges_init(&r);
ranges_add(&r,c->offset,c->offset+c->length);
ranges_remove(&r,0,rq->offset);
ranges_remove(&r,rq->offset+rq->length,INT64_MAX);
ranges_start(&r,&ri);
while(ranges_next(&ri,&x,&y)) {
log_debug(("copying range %"PRId64"-%"PRId64,x,y));
memcpy(rq->out+x-rq->offset,c->out+x-c->offset,y-x);
}
ranges_free(&r);
ranges_remove(&(rq->desired),c->offset,c->offset+c->length);
/* Update desire given knoledge of eof */
if(c->eof) {
log_debug(("early eof: rest of file does not exist"));
ranges_remove(&(rq->desired),c->offset+c->length,INT64_MAX);
}
/* Move chunks to request (for later write) */
src_acquire(c->origin);
d = c->next;
c->next = rq->chunks;
rq->chunks = c;
c = d;
}
}
int combinatorics_test(FILE *stream_in, FILE *stream_out,
pc_options_t const *options) {
ranges_t *ranges = ranges_alloc(options->channels);
if ( ranges == NULL ) {
return(PC_ERROR_MEM);
}
ranges_init(ranges);
ranges_set_stops(ranges, options->channels);
while ( ranges_next(ranges) == PC_SUCCESS ) {
ranges_fprintf(stream_out, ranges);
}
ranges_free(&ranges);
return(PC_SUCCESS);
}