/**
* Handle a GET request we've received from another peer.
*
* @param key the query
* @param type requested data type
* @param xquery extended query
* @param xquery_size number of bytes in @a xquery
* @param reply_bf where the reply bf is (to be) stored, possibly updated, can be NULL
* @param reply_bf_mutator mutation value for @a reply_bf
* @return evaluation result for the local replies
*/
enum GNUNET_BLOCK_EvaluationResult
GDS_DATACACHE_handle_get (const struct GNUNET_HashCode *key,
enum GNUNET_BLOCK_Type type,
const void *xquery,
size_t xquery_size,
struct GNUNET_CONTAINER_BloomFilter **reply_bf,
uint32_t reply_bf_mutator)
{
struct GetRequestContext ctx;
unsigned int r;
if (NULL == datacache)
return GNUNET_BLOCK_EVALUATION_REQUEST_VALID;
GNUNET_STATISTICS_update (GDS_stats,
gettext_noop ("# GET requests given to datacache"),
1,
GNUNET_NO);
ctx.eval = GNUNET_BLOCK_EVALUATION_REQUEST_VALID;
ctx.key = *key;
ctx.xquery = xquery;
ctx.xquery_size = xquery_size;
ctx.reply_bf = reply_bf;
ctx.reply_bf_mutator = reply_bf_mutator;
r = GNUNET_DATACACHE_get (datacache,
key,
type,
&datacache_get_iterator,
&ctx);
LOG (GNUNET_ERROR_TYPE_DEBUG,
"DATACACHE GET for key %s completed (%d). %u results found.\n",
GNUNET_h2s (key),
ctx.eval,
r);
return ctx.eval;
}
/**
* Handle a GET request we've received from another peer.
*
* @param key the query
* @param type requested data type
* @param xquery extended query
* @param xquery_size number of bytes in xquery
* @param reply_bf where the reply bf is (to be) stored, possibly updated, can be NULL
* @param reply_bf_mutator mutation value for reply_bf
* @return evaluation result for the local replies
*/
enum GNUNET_BLOCK_EvaluationResult
GDS_DATACACHE_handle_get (const struct GNUNET_HashCode * key,
enum GNUNET_BLOCK_Type type, const void *xquery,
size_t xquery_size,
struct GNUNET_CONTAINER_BloomFilter **reply_bf,
uint32_t reply_bf_mutator)
{
struct GetRequestContext ctx;
if (datacache == NULL)
return GNUNET_BLOCK_EVALUATION_REQUEST_VALID;
GNUNET_STATISTICS_update (GDS_stats,
gettext_noop ("# GET requests given to datacache"),
1, GNUNET_NO);
ctx.eval = GNUNET_BLOCK_EVALUATION_REQUEST_VALID;
ctx.key = *key;
ctx.xquery = xquery;
ctx.xquery_size = xquery_size;
ctx.reply_bf = reply_bf;
ctx.reply_bf_mutator = reply_bf_mutator;
(void) GNUNET_DATACACHE_get (datacache, key, type, &datacache_get_iterator,
&ctx);
return ctx.eval;
}
static void
run (void *cls, char *const *args, const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *cfg)
{
struct GNUNET_DATACACHE_Handle *h;
struct GNUNET_HashCode k;
struct GNUNET_HashCode n;
struct GNUNET_TIME_Absolute exp;
struct GNUNET_TIME_Absolute start;
unsigned int i;
char gstr[128];
ok = 0;
h = GNUNET_DATACACHE_create (cfg, "perfcache");
if (h == NULL)
{
FPRINTF (stderr, "%s", "Failed to initialize datacache. Database likely not setup, skipping test.\n");
ok = 77; /* mark test as skipped */
return;
}
exp = GNUNET_TIME_relative_to_absolute (GNUNET_TIME_UNIT_HOURS);
start = GNUNET_TIME_absolute_get ();
memset (&k, 0, sizeof (struct GNUNET_HashCode));
for (i = 0; i < ITERATIONS; i++)
{
if (0 == i % (ITERATIONS / 80))
FPRINTF (stderr, "%s", ".");
GNUNET_CRYPTO_hash (&k, sizeof (struct GNUNET_HashCode), &n);
ASSERT (GNUNET_OK ==
GNUNET_DATACACHE_put (h, &k, sizeof (struct GNUNET_HashCode),
(const char *) &n, 1 + i % 16, exp,
0, NULL));
k = n;
}
FPRINTF (stderr, "%s", "\n");
FPRINTF (stdout, "Stored %u items in %s\n", ITERATIONS,
GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start), GNUNET_YES));
GNUNET_snprintf (gstr, sizeof (gstr), "DATACACHE-%s", plugin_name);
GAUGER (gstr, "Time to PUT item in datacache",
GNUNET_TIME_absolute_get_duration (start).rel_value_us / 1000LL / ITERATIONS,
"ms/item");
start = GNUNET_TIME_absolute_get ();
memset (&k, 0, sizeof (struct GNUNET_HashCode));
for (i = 0; i < ITERATIONS; i++)
{
if (0 == i % (ITERATIONS / 80))
FPRINTF (stderr, "%s", ".");
GNUNET_CRYPTO_hash (&k, sizeof (struct GNUNET_HashCode), &n);
GNUNET_DATACACHE_get (h, &k, 1 + i % 16, &checkIt, &n);
k = n;
}
FPRINTF (stderr, "%s", "\n");
FPRINTF (stdout,
"Found %u/%u items in %s (%u were deleted during storage processing)\n",
found, ITERATIONS,
GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start), GNUNET_YES),
ITERATIONS - found);
if (found > 0)
GAUGER (gstr, "Time to GET item from datacache",
GNUNET_TIME_absolute_get_duration (start).rel_value_us / 1000LL / found,
"ms/item");
GNUNET_DATACACHE_destroy (h);
ASSERT (ok == 0);
return;
FAILURE:
if (h != NULL)
GNUNET_DATACACHE_destroy (h);
ok = GNUNET_SYSERR;
}
