static void
peerDigestSwapInCBlock(void *data, mem_node_ref nr, ssize_t size)
{
const char *buf = nr.node->data + nr.offset;
DigestFetchState *fetch = data;
if (peerDigestFetchedEnough(fetch, size, "peerDigestSwapInCBlock"))
goto finish;
fetch->offset += size;
memcpy(fetch->buf + fetch->buf_used, buf, size);
fetch->buf_used += size;
if (fetch->buf_used >= StoreDigestCBlockSize) {
PeerDigest *pd = fetch->pd;
HttpReply *rep = fetch->entry->mem_obj->reply;
assert(pd && rep);
if (peerDigestSetCBlock(pd, fetch->buf)) {
/* XXX: soon we will have variable header size */
fetch->offset -= fetch->buf_used - StoreDigestCBlockSize;
/* switch to CD buffer and fetch digest guts */
memFree(fetch->buf, MEM_4K_BUF);
fetch->buf = NULL;
fetch->buf_used = 0;
assert(pd->cd->mask);
storeClientRef(fetch->sc, fetch->entry,
fetch->offset,
fetch->offset,
pd->cd->mask_size,
peerDigestSwapInMask, fetch);
} else {
peerDigestFetchAbort(fetch, "invalid digest cblock");
}
} else {
/* need more data, do we have space? */
if (fetch->buf_used >= SM_PAGE_SIZE)
peerDigestFetchAbort(fetch, "digest cblock too big");
else
storeClientRef(fetch->sc, fetch->entry, fetch->offset, fetch->offset, SM_PAGE_SIZE - fetch->buf_used,
peerDigestSwapInCBlock, fetch);
}
finish:
stmemNodeUnref(&nr);
}
static void
peerDigestSwapInCBlock(void *data, char *buf, ssize_t size)
{
DigestFetchState *fetch = data;
if (peerDigestFetchedEnough(fetch, buf, size, "peerDigestSwapInCBlock"))
return;
if (size >= StoreDigestCBlockSize) {
PeerDigest *pd = fetch->pd;
HttpReply *rep = fetch->entry->mem_obj->reply;
const int seen = fetch->offset + size;
assert(pd && rep);
if (peerDigestSetCBlock(pd, buf)) {
/* XXX: soon we will have variable header size */
fetch->offset += StoreDigestCBlockSize;
/* switch to CD buffer and fetch digest guts */
memFree(buf, MEM_4K_BUF);
buf = NULL;
assert(pd->cd->mask);
storeClientCopy(fetch->entry,
seen,
fetch->offset,
pd->cd->mask_size,
pd->cd->mask,
peerDigestSwapInMask, fetch);
} else {
peerDigestFetchAbort(fetch, buf, "invalid digest cblock");
}
} else {
/* need more data, do we have space? */
if (size >= SM_PAGE_SIZE)
peerDigestFetchAbort(fetch, buf, "digest cblock too big");
else
storeClientCopy(fetch->entry, size, 0, SM_PAGE_SIZE, buf,
peerDigestSwapInCBlock, fetch);
}
}
