/* fetch headers from disk, pass on to SwapInCBlock */
static void
peerDigestSwapInHeaders(void *data, char *buf, ssize_t size)
{
DigestFetchState *fetch = data;
size_t hdr_size;
if (peerDigestFetchedEnough(fetch, buf, size, "peerDigestSwapInHeaders"))
return;
assert(!fetch->offset);
if ((hdr_size = headersEnd(buf, size))) {
assert(fetch->entry->mem_obj->reply);
if (!fetch->entry->mem_obj->reply->sline.status)
httpReplyParse(fetch->entry->mem_obj->reply, buf, hdr_size);
if (fetch->entry->mem_obj->reply->sline.status != HTTP_OK) {
debug(72, 1) ("peerDigestSwapInHeaders: %s status %d got cached!\n",
strBuf(fetch->pd->host), fetch->entry->mem_obj->reply->sline.status);
peerDigestFetchAbort(fetch, buf, "internal status error");
return;
}
fetch->offset += hdr_size;
storeClientCopy(fetch->entry, size, fetch->offset,
SM_PAGE_SIZE, buf,
peerDigestSwapInCBlock, fetch);
} else {
/* need more data, do we have space? */
if (size >= SM_PAGE_SIZE)
peerDigestFetchAbort(fetch, buf, "stored header too big");
else
storeClientCopy(fetch->entry, size, 0, SM_PAGE_SIZE, buf,
peerDigestSwapInHeaders, fetch);
}
}
/*
* Try to parse the header.
* return -1 on error, 0 on more required, +1 on completed.
*/
static int
storeClientParseHeader(store_client * sc, const char *b, int l)
{
if (sc->copy_offset == 0 && l > 0 && memHaveHeaders(sc->entry->mem_obj) == 0)
return httpReplyParse(sc->entry->mem_obj->reply, b, headersEnd(b, l));
else
return 1;
}
static void
storeClientReadBody(void *data, const char *buf, ssize_t len)
{
store_client *sc = data;
MemObject *mem = sc->entry->mem_obj;
assert(sc->flags.disk_io_pending);
sc->flags.disk_io_pending = 0;
assert(sc->callback != NULL);
debug(20, 3) ("storeClientReadBody: len %d\n", (int) len);
if (sc->copy_offset == 0 && len > 0 && memHaveHeaders(mem) == 0)
httpReplyParse(mem->reply, sc->copy_buf, headersEnd(sc->copy_buf, len));
storeClientCallback(sc, len);
}
/* wait for full http headers to be received then parse them */
static void
peerDigestFetchReply(void *data, char *buf, ssize_t size)
{
DigestFetchState *fetch = data;
PeerDigest *pd = fetch->pd;
size_t hdr_size;
assert(pd && buf);
assert(!fetch->offset);
if (peerDigestFetchedEnough(fetch, buf, size, "peerDigestFetchReply"))
return;
if ((hdr_size = headersEnd(buf, size))) {
http_status status;
HttpReply *reply = fetch->entry->mem_obj->reply;
assert(reply);
httpReplyParse(reply, buf, hdr_size);
status = reply->sline.status;
debug(72, 3) ("peerDigestFetchReply: %s status: %d, expires: %d (%+d)\n",
strBuf(pd->host), status,
reply->expires, reply->expires - squid_curtime);
/* this "if" is based on clientHandleIMSReply() */
if (status == HTTP_NOT_MODIFIED) {
request_t *r = NULL;
/* our old entry is fine */
assert(fetch->old_entry);
if (!fetch->old_entry->mem_obj->request)
fetch->old_entry->mem_obj->request = r =
requestLink(fetch->entry->mem_obj->request);
assert(fetch->old_entry->mem_obj->request);
httpReplyUpdateOnNotModified(fetch->old_entry->mem_obj->reply, reply);
storeTimestampsSet(fetch->old_entry);
/* get rid of 304 reply */
storeUnregister(fetch->entry, fetch);
storeUnlockObject(fetch->entry);
fetch->entry = fetch->old_entry;
fetch->old_entry = NULL;
/* preserve request -- we need its size to update counters */
/* requestUnlink(r); */
/* fetch->entry->mem_obj->request = NULL; */
} else if (status == HTTP_OK) {
/* get rid of old entry if any */
if (fetch->old_entry) {
debug(72, 3) ("peerDigestFetchReply: got new digest, releasing old one\n");
storeUnregister(fetch->old_entry, fetch);
storeReleaseRequest(fetch->old_entry);
storeUnlockObject(fetch->old_entry);
fetch->old_entry = NULL;
}
} else {
/* some kind of a bug */
peerDigestFetchAbort(fetch, buf, httpStatusLineReason(&reply->sline));
return;
}
/* must have a ready-to-use store entry if we got here */
/* can we stay with the old in-memory digest? */
if (status == HTTP_NOT_MODIFIED && fetch->pd->cd)
peerDigestFetchStop(fetch, buf, "Not modified");
else
storeClientCopy(fetch->entry, /* have to swap in */
0, 0, SM_PAGE_SIZE, buf, peerDigestSwapInHeaders, fetch);
} else {
/* need more data, do we have space? */
if (size >= SM_PAGE_SIZE)
peerDigestFetchAbort(fetch, buf, "reply header too big");
else
storeClientCopy(fetch->entry, size, 0, SM_PAGE_SIZE, buf,
peerDigestFetchReply, fetch);
}
}
static void
storeClientReadHeader(void *data, const char *buf, ssize_t len)
{
static int md5_mismatches = 0;
store_client *sc = data;
StoreEntry *e = sc->entry;
MemObject *mem = e->mem_obj;
int swap_hdr_sz = 0;
size_t body_sz;
size_t copy_sz;
tlv *tlv_list;
tlv *t;
int swap_object_ok = 1;
char *new_url = NULL;
char *new_store_url = NULL;
assert(sc->flags.disk_io_pending);
sc->flags.disk_io_pending = 0;
assert(sc->callback != NULL);
debug(20, 3) ("storeClientReadHeader: len %d\n", (int) len);
if (len < 0) {
debug(20, 3) ("storeClientReadHeader: %s\n", xstrerror());
storeClientCallback(sc, len);
return;
}
tlv_list = storeSwapMetaUnpack(buf, &swap_hdr_sz);
if (swap_hdr_sz > len) {
/* oops, bad disk file? */
debug(20, 1) ("WARNING: swapfile header too small\n");
storeClientCallback(sc, -1);
return;
}
if (tlv_list == NULL) {
debug(20, 1) ("WARNING: failed to unpack meta data\n");
storeClientCallback(sc, -1);
return;
}
/*
* Check the meta data and make sure we got the right object.
*/
for (t = tlv_list; t && swap_object_ok; t = t->next) {
switch (t->type) {
case STORE_META_KEY:
assert(t->length == SQUID_MD5_DIGEST_LENGTH);
if (!EBIT_TEST(e->flags, KEY_PRIVATE) &&
memcmp(t->value, e->hash.key, SQUID_MD5_DIGEST_LENGTH)) {
debug(20, 2) ("storeClientReadHeader: swapin MD5 mismatch\n");
debug(20, 2) ("\t%s\n", storeKeyText(t->value));
debug(20, 2) ("\t%s\n", storeKeyText(e->hash.key));
if (isPowTen(++md5_mismatches))
debug(20, 1) ("WARNING: %d swapin MD5 mismatches\n",
md5_mismatches);
swap_object_ok = 0;
}
break;
case STORE_META_URL:
new_url = xstrdup(t->value);
break;
case STORE_META_STOREURL:
new_store_url = xstrdup(t->value);
break;
case STORE_META_OBJSIZE:
break;
case STORE_META_STD:
case STORE_META_STD_LFS:
break;
case STORE_META_VARY_HEADERS:
if (mem->vary_headers) {
if (strcmp(mem->vary_headers, t->value) != 0)
swap_object_ok = 0;
} else {
/* Assume the object is OK.. remember the vary request headers */
mem->vary_headers = xstrdup(t->value);
}
break;
default:
debug(20, 2) ("WARNING: got unused STORE_META type %d\n", t->type);
break;
}
}
/* Check url / store_url */
do {
if (new_url == NULL) {
debug(20, 1) ("storeClientReadHeader: no URL!\n");
swap_object_ok = 0;
break;
}
/*
* If we have a store URL then it must match the requested object URL.
* The theory is that objects with a store URL have been normalised
* and thus a direct access which didn't go via the rewrite framework
* are illegal!
*/
if (new_store_url) {
if (NULL == mem->store_url)
mem->store_url = new_store_url;
else if (0 == strcasecmp(mem->store_url, new_store_url))
(void) 0; /* a match! */
else {
debug(20, 1) ("storeClientReadHeader: store URL mismatch\n");
debug(20, 1) ("\t{%s} != {%s}\n", (char *) new_store_url, mem->store_url);
swap_object_ok = 0;
break;
}
}
/* If we have no store URL then the request and the memory URL must match */
/*
if ((!new_store_url) && mem->url && strcasecmp(mem->url, new_url) != 0) {
debug(20, 1) ("storeClientReadHeader: URL mismatch\n");
debug(20, 1) ("\t{%s} != {%s}\n", (char *) new_url, mem->url);
swap_object_ok = 0;
break;
}
*/
} while (0);
storeSwapTLVFree(tlv_list);
xfree(new_url);
/* don't free new_store_url if its owned by the mem object now */
if (mem->store_url != new_store_url)
xfree(new_store_url);
if (!swap_object_ok) {
storeClientCallback(sc, -1);
return;
}
mem->swap_hdr_sz = swap_hdr_sz;
mem->object_sz = e->swap_file_sz - swap_hdr_sz;
/*
* If our last read got some data the client wants, then give
* it to them, otherwise schedule another read.
*/
body_sz = len - swap_hdr_sz;
if (sc->copy_offset < body_sz) {
/*
* we have (part of) what they want
*/
copy_sz = XMIN(sc->copy_size, body_sz);
debug(20, 3) ("storeClientReadHeader: copying %d bytes of body\n",
(int) copy_sz);
xmemmove(sc->copy_buf, sc->copy_buf + swap_hdr_sz, copy_sz);
if (sc->copy_offset == 0 && len > 0 && memHaveHeaders(mem) == 0)
httpReplyParse(mem->reply, sc->copy_buf,
headersEnd(sc->copy_buf, copy_sz));
storeClientCallback(sc, copy_sz);
return;
}
/*
* we don't have what the client wants, but at least we now
* know the swap header size.
*/
storeClientFileRead(sc);
}
static int
buildRespModHeader(MemBuf * mb, IcapStateData * icap, char *buf,
ssize_t len, int theEnd)
{
MemBuf mb_hdr;
char *client_addr;
int o2=0;
int o3=0;
int hlen;
int consumed;
icap_service *service;
HttpReply *r;
if (memBufIsNull(&icap->respmod.req_hdr_copy))
memBufDefInit(&icap->respmod.req_hdr_copy);
memBufAppend(&icap->respmod.req_hdr_copy, buf, len);
if (icap->respmod.req_hdr_copy.size > 4 && strncmp(icap->respmod.req_hdr_copy.buf, "HTTP/", 5)) {
debug(81, 3) ("buildRespModHeader: Non-HTTP-compliant header: '%s'\n", buf);
/*
*Possible we can consider that we did not have http responce headers
*(maybe HTTP 0.9 protocol), lets returning -1...
*/
consumed=-1;
o2=-1;
memBufDefInit(&mb_hdr);
}
else{
hlen = headersEnd(icap->respmod.req_hdr_copy.buf,
icap->respmod.req_hdr_copy.size);
debug(81, 3) ("buildRespModHeader: headersEnd = %d(%s)\n", hlen,buf);
if (0 == hlen)
return 0;
/*
* calc how many bytes from this 'buf' went towards the
* reply header.
*/
consumed = hlen - (icap->respmod.req_hdr_copy.size - len);
debug(81, 3) ("buildRespModHeader: consumed = %d\n", consumed);
/*
* now, truncate our req_hdr_copy at the header end.
* this 'if' statement might be unncessary?
*/
if (hlen < icap->respmod.req_hdr_copy.size)
icap->respmod.req_hdr_copy.size = hlen;
/* Copy request header */
memBufDefInit(&mb_hdr);
httpBuildRequestPrefix(icap->request, icap->request,
icap->respmod.entry, &mb_hdr, icap->http_flags);
o2 = mb_hdr.size;
}
/* Copy response header - Append to request header mbuffer */
memBufAppend(&mb_hdr,
icap->respmod.req_hdr_copy.buf, icap->respmod.req_hdr_copy.size);
o3 = mb_hdr.size;
service = icap->current_service;
assert(service);
client_addr = inet_ntoa(icap->request->client_addr);
r = httpReplyCreate();
httpReplyParse(r, icap->respmod.req_hdr_copy.buf,
icap->respmod.req_hdr_copy.size);
icap->respmod.res_body_sz = httpReplyBodySize(icap->request->method, r);
httpReplyDestroy(r);
if (icap->respmod.res_body_sz)
getICAPRespModString(mb, 0, o2, o3, client_addr, icap, service);
else
getICAPRespModString(mb, 0, o2, -o3, client_addr, icap, service);
if (Config.icapcfg.preview_enable)
if (icap->preview_size >= 0) {
memBufPrintf(mb, "Preview: %d\r\n", icap->preview_size);
icap->flags.preview_done = 0;
}
if(service->keep_alive){
icap->flags.keep_alive = 1;
memBufAppend(mb, "Connection: keep-alive\r\n", 24);
}
else{
icap->flags.keep_alive = 0;
memBufAppend(mb, "Connection: close\r\n", 19);
}
memBufAppend(mb, crlf, 2);
memBufAppend(mb, mb_hdr.buf, mb_hdr.size);
memBufClean(&mb_hdr);
return consumed;
}
static void
storeClientReadHeader(void *data, const char *buf, ssize_t len)
{
store_client *sc = data;
StoreEntry *e = sc->entry;
MemObject *mem = e->mem_obj;
STCB *callback = sc->callback;
int swap_hdr_sz = 0;
size_t body_sz;
size_t copy_sz;
tlv *tlv_list;
tlv *t;
int swap_object_ok = 1;
assert(sc->flags.disk_io_pending);
sc->flags.disk_io_pending = 0;
assert(sc->callback != NULL);
debug(20, 3) ("storeClientReadHeader: len %d\n", len);
if (len < 0) {
debug(20, 3) ("storeClientReadHeader: %s\n", xstrerror());
sc->callback = NULL;
callback(sc->callback_data, sc->copy_buf, len);
return;
}
tlv_list = storeSwapMetaUnpack(buf, &swap_hdr_sz);
if (swap_hdr_sz > len) {
/* oops, bad disk file? */
debug(20, 1) ("WARNING: swapfile header too small\n");
sc->callback = NULL;
callback(sc->callback_data, sc->copy_buf, -1);
return;
}
if (tlv_list == NULL) {
debug(20, 1) ("WARNING: failed to unpack swapfile meta data\n");
sc->callback = NULL;
callback(sc->callback_data, sc->copy_buf, -1);
return;
}
/*
* Check the meta data and make sure we got the right object.
*/
for (t = tlv_list; t; t = t->next) {
switch (t->type) {
case STORE_META_KEY:
assert(t->length == MD5_DIGEST_CHARS);
if (memcmp(t->value, e->key, MD5_DIGEST_CHARS))
debug(20, 1) ("WARNING: swapin MD5 mismatch\n");
break;
case STORE_META_URL:
if (NULL == mem->url)
(void) 0; /* can't check */
else if (0 == strcasecmp(mem->url, t->value))
(void) 0; /* a match! */
else {
debug(20, 1) ("storeClientReadHeader: URL mismatch\n");
debug(20, 1) ("\t{%s} != {%s}\n", t->value, mem->url);
swap_object_ok = 0;
break;
}
break;
case STORE_META_STD:
break;
default:
debug(20, 1) ("WARNING: got unused STORE_META type %d\n", t->type);
break;
}
}
storeSwapTLVFree(tlv_list);
if (!swap_object_ok) {
sc->callback = NULL;
callback(sc->callback_data, sc->copy_buf, -1);
return;
}
mem->swap_hdr_sz = swap_hdr_sz;
mem->object_sz = e->swap_file_sz - swap_hdr_sz;
/*
* If our last read got some data the client wants, then give
* it to them, otherwise schedule another read.
*/
body_sz = len - swap_hdr_sz;
if (sc->copy_offset < body_sz) {
/*
* we have (part of) what they want
*/
copy_sz = XMIN(sc->copy_size, body_sz);
debug(20, 3) ("storeClientReadHeader: copying %d bytes of body\n",
copy_sz);
xmemmove(sc->copy_buf, sc->copy_buf + swap_hdr_sz, copy_sz);
if (sc->copy_offset == 0 && len > 0 && mem->reply->sline.status == 0)
httpReplyParse(mem->reply, sc->copy_buf,
headersEnd(sc->copy_buf, copy_sz));
sc->callback = NULL;
callback(sc->callback_data, sc->copy_buf, copy_sz);
return;
}
/*
* we don't have what the client wants, but at least we now
* know the swap header size.
*/
storeClientFileRead(sc);
}
static void
urnHandleReply(void *data, char *buf, ssize_t size)
{
UrnState *urnState = data;
StoreEntry *e = urnState->entry;
StoreEntry *urlres_e = urnState->urlres_e;
char *s = NULL;
size_t k;
HttpReply *rep;
url_entry *urls;
url_entry *u;
url_entry *min_u;
MemBuf mb;
ErrorState *err;
int i;
int urlcnt = 0;
http_version_t version;
debug(52, 3) ("urnHandleReply: Called with size=%d.\n", (int) size);
if (EBIT_TEST(urlres_e->flags, ENTRY_ABORTED)) {
memFree(buf, MEM_4K_BUF);
return;
}
if (size == 0) {
memFree(buf, MEM_4K_BUF);
return;
} else if (size < 0) {
memFree(buf, MEM_4K_BUF);
return;
}
if (urlres_e->store_status == STORE_PENDING && size < SM_PAGE_SIZE) {
storeClientCopy(urnState->sc, urlres_e,
size,
0,
SM_PAGE_SIZE,
buf,
urnHandleReply,
urnState);
return;
}
/* we know its STORE_OK */
k = headersEnd(buf, size);
if (0 == k) {
debug(52, 1) ("urnHandleReply: didn't find end-of-headers for %s\n",
storeUrl(e));
return;
}
s = buf + k;
assert(urlres_e->mem_obj->reply);
httpReplyParse(urlres_e->mem_obj->reply, buf, k);
debug(52, 3) ("mem->reply exists, code=%d.\n",
urlres_e->mem_obj->reply->sline.status);
if (urlres_e->mem_obj->reply->sline.status != HTTP_OK) {
debug(52, 3) ("urnHandleReply: failed.\n");
err = errorCon(ERR_URN_RESOLVE, HTTP_NOT_FOUND);
err->request = requestLink(urnState->request);
err->url = xstrdup(storeUrl(e));
errorAppendEntry(e, err);
return;
}
while (xisspace(*s))
s++;
urls = urnParseReply(s, urnState->request->method);
for (i = 0; NULL != urls[i].url; i++)
urlcnt++;
debug(53, 3) ("urnFindMinRtt: Counted %d URLs\n", i);
if (urls == NULL) { /* unkown URN error */
debug(52, 3) ("urnTranslateDone: unknown URN %s\n", storeUrl(e));
err = errorCon(ERR_URN_RESOLVE, HTTP_NOT_FOUND);
err->request = requestLink(urnState->request);
err->url = xstrdup(storeUrl(e));
errorAppendEntry(e, err);
return;
}
min_u = urnFindMinRtt(urls, urnState->request->method, NULL);
qsort(urls, urlcnt, sizeof(*urls), url_entry_sort);
storeBuffer(e);
memBufDefInit(&mb);
memBufPrintf(&mb,
"<TITLE>Select URL for %s</TITLE>\n"
"<STYLE type=\"text/css\"><!--BODY{background-color:#ffffff;font-family:verdana,sans-serif}--></STYLE>\n"
"<H2>Select URL for %s</H2>\n"
"<TABLE BORDER=\"0\" WIDTH=\"100%%\">\n", storeUrl(e), storeUrl(e));
for (i = 0; i < urlcnt; i++) {
u = &urls[i];
debug(52, 3) ("URL {%s}\n", u->url);
memBufPrintf(&mb,
"<TR><TD><A HREF=\"%s\">%s</A></TD>", u->url, u->url);
if (urls[i].rtt > 0)
memBufPrintf(&mb,
"<TD align=\"right\">%4d <it>ms</it></TD>", u->rtt);
else
memBufPrintf(&mb, "<TD align=\"right\">Unknown</TD>");
memBufPrintf(&mb,
"<TD>%s</TD></TR>\n", u->flags.cached ? " [cached]" : " ");
}
memBufPrintf(&mb,
"</TABLE>"
"<HR noshade size=\"1px\">\n"
"<ADDRESS>\n"
"Generated by %s@%s\n"
"</ADDRESS>\n",
full_appname_string, getMyHostname());
rep = e->mem_obj->reply;
httpReplyReset(rep);
httpBuildVersion(&version, 1, 0);
httpReplySetHeaders(rep, version, HTTP_MOVED_TEMPORARILY, NULL,
"text/html", mb.size, 0, squid_curtime);
if (urnState->flags.force_menu) {
debug(51, 3) ("urnHandleReply: forcing menu\n");
} else if (min_u) {
httpHeaderPutStr(&rep->header, HDR_LOCATION, min_u->url);
}
httpBodySet(&rep->body, &mb);
httpReplySwapOut(rep, e);
storeComplete(e);
memFree(buf, MEM_4K_BUF);
for (i = 0; i < urlcnt; i++) {
safe_free(urls[i].url);
safe_free(urls[i].host);
}
safe_free(urls);
/* mb was absorbed in httpBodySet call, so we must not clean it */
storeUnregister(urnState->sc, urlres_e, urnState);
storeUnlockObject(urlres_e);
storeUnlockObject(urnState->entry);
requestUnlink(urnState->request);
requestUnlink(urnState->urlres_r);
cbdataFree(urnState);
}
static void
netdbExchangeHandleReply(void *data, char *buf, ssize_t size)
{
netdbExchangeState *ex = data;
int rec_sz = 0;
ssize_t o;
struct in_addr addr;
double rtt;
double hops;
char *p;
int j;
HttpReply *rep;
size_t hdr_sz;
int nused = 0;
rec_sz = 0;
rec_sz += 1 + sizeof(addr.s_addr);
rec_sz += 1 + sizeof(int);
rec_sz += 1 + sizeof(int);
ex->seen = ex->used + size;
debug(38, 3) ("netdbExchangeHandleReply: %d bytes\n", (int) size);
if (!cbdataValid(ex->p)) {
debug(38, 3) ("netdbExchangeHandleReply: Peer became invalid\n");
netdbExchangeDone(ex);
return;
}
debug(38, 3) ("netdbExchangeHandleReply: for '%s:%d'\n", ex->p->host, ex->p->http_port);
p = buf;
if (0 == ex->used) {
/* skip reply headers */
if ((hdr_sz = headersEnd(p, size))) {
debug(38, 5) ("netdbExchangeHandleReply: hdr_sz = %ld\n", (long int) hdr_sz);
rep = ex->e->mem_obj->reply;
if (0 == rep->sline.status)
httpReplyParse(rep, buf, hdr_sz);
debug(38, 3) ("netdbExchangeHandleReply: reply status %d\n",
rep->sline.status);
if (HTTP_OK != rep->sline.status) {
netdbExchangeDone(ex);
return;
}
assert(size >= hdr_sz);
ex->used += hdr_sz;
size -= hdr_sz;
p += hdr_sz;
} else {
if (size >= ex->buf_sz) {
debug(38, 3) ("netdbExchangeHandleReply: Too big HTTP header, aborting\n");
netdbExchangeDone(ex);
return;
} else {
size = 0;
}
}
}
debug(38, 5) ("netdbExchangeHandleReply: start parsing loop, size = %ld\n",
(long int) size);
while (size >= rec_sz) {
debug(38, 5) ("netdbExchangeHandleReply: in parsing loop, size = %ld\n",
(long int) size);
addr.s_addr = any_addr.s_addr;
hops = rtt = 0.0;
for (o = 0; o < rec_sz;) {
switch ((int) *(p + o)) {
case NETDB_EX_NETWORK:
o++;
xmemcpy(&addr.s_addr, p + o, sizeof(addr.s_addr));
o += sizeof(addr.s_addr);
break;
case NETDB_EX_RTT:
o++;
xmemcpy(&j, p + o, sizeof(int));
o += sizeof(int);
rtt = (double) ntohl(j) / 1000.0;
break;
case NETDB_EX_HOPS:
o++;
xmemcpy(&j, p + o, sizeof(int));
o += sizeof(int);
hops = (double) ntohl(j) / 1000.0;
break;
default:
debug(38, 1) ("netdbExchangeHandleReply: corrupt data, aborting\n");
netdbExchangeDone(ex);
return;
}
}
if (addr.s_addr != any_addr.s_addr && rtt > 0)
netdbExchangeUpdatePeer(addr, ex->p, rtt, hops);
assert(o == rec_sz);
ex->used += rec_sz;
size -= rec_sz;
p += rec_sz;
/*
* This is a fairly cpu-intensive loop, break after adding
* just a few
*/
if (++nused == 20)
break;
}
debug(38, 3) ("netdbExchangeHandleReply: used %d entries, (x %d bytes) == %d bytes total\n",
nused, rec_sz, nused * rec_sz);
debug(38, 3) ("netdbExchangeHandleReply: seen %ld, used %ld\n", (long int) ex->seen, (long int) ex->used);
if (EBIT_TEST(ex->e->flags, ENTRY_ABORTED)) {
debug(38, 3) ("netdbExchangeHandleReply: ENTRY_ABORTED\n");
netdbExchangeDone(ex);
} else if (ex->e->store_status == STORE_PENDING) {
debug(38, 3) ("netdbExchangeHandleReply: STORE_PENDING\n");
storeClientCopy(ex->sc, ex->e, ex->seen, ex->used, ex->buf_sz,
ex->buf, netdbExchangeHandleReply, ex);
} else if (ex->seen < ex->e->mem_obj->inmem_hi) {
debug(38, 3) ("netdbExchangeHandleReply: ex->e->mem_obj->inmem_hi\n");
storeClientCopy(ex->sc, ex->e, ex->seen, ex->used, ex->buf_sz,
ex->buf, netdbExchangeHandleReply, ex);
} else {
debug(38, 3) ("netdbExchangeHandleReply: Done\n");
netdbExchangeDone(ex);
}
}
