GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 2, or (at your
+ by the Free Software Foundation; either version 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
#include "gnunet_statistics_service.h"
#include "gnunet_datacache_plugin.h"
+
+#define LOG(kind,...) GNUNET_log_from (kind, "datacache", __VA_ARGS__)
+
+#define LOG_STRERROR_FILE(kind,op,fn) GNUNET_log_from_strerror_file (kind, "datacache", op, fn)
+
/**
* Internal state of the datacache library.
*/
* @param size number of bytes that were made available
*/
static void
-env_delete_notify (void *cls, const GNUNET_HashCode * key, size_t size)
+env_delete_notify (void *cls, const struct GNUNET_HashCode * key, size_t size)
{
struct GNUNET_DATACACHE_Handle *h = cls;
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Content under key `%s' discarded\n",
+ GNUNET_h2s (key));
GNUNET_assert (h->utilization >= size);
h->utilization -= size;
GNUNET_CONTAINER_bloomfilter_remove (h->filter, key);
- GNUNET_STATISTICS_update (h->stats, gettext_noop ("# bytes stored"), -size,
+ GNUNET_STATISTICS_update (h->stats, gettext_noop ("# bytes stored"), - (long long) size,
+ GNUNET_NO);
+ GNUNET_STATISTICS_update (h->stats, gettext_noop ("# items stored"), -1,
GNUNET_NO);
}
char *name;
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_number (cfg, section, "QUOTA", "a))
+ GNUNET_CONFIGURATION_get_value_size (cfg, section, "QUOTA", "a))
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("No `%s' specified for `%s' in configuration!\n"), "QUOTA",
- section);
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _("No `%s' specified for `%s' in configuration!\n"), "QUOTA", section);
return NULL;
}
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_string (cfg, section, "DATABASE", &name))
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("No `%s' specified for `%s' in configuration!\n"), "DATABASE",
- section);
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _("No `%s' specified for `%s' in configuration!\n"), "DATABASE",
+ section);
return NULL;
}
bf_size = quota / 32; /* 8 bit per entry, 1 bit per 32 kb in DB */
ret = GNUNET_malloc (sizeof (struct GNUNET_DATACACHE_Handle));
- ret->bloom_name = GNUNET_DISK_mktemp ("gnunet-datacachebloom");
- if (NULL != ret->bloom_name)
- {
- ret->filter = GNUNET_CONTAINER_bloomfilter_load (ret->bloom_name, quota / 1024, /* 8 bit per entry in DB, expect 1k entries */
- 5);
- }
- else
+
+ if (GNUNET_YES !=
+ GNUNET_CONFIGURATION_get_value_yesno (cfg, section, "DISABLE_BF"))
{
- ret->filter = GNUNET_CONTAINER_bloomfilter_init (NULL, bf_size, 5); /* approx. 3% false positives at max use */
+ if (GNUNET_YES !=
+ GNUNET_CONFIGURATION_get_value_yesno (cfg, section, "DISABLE_BF_RC"))
+ {
+ ret->bloom_name = GNUNET_DISK_mktemp ("gnunet-datacachebloom");
+ }
+ if (NULL != ret->bloom_name)
+ {
+ ret->filter = GNUNET_CONTAINER_bloomfilter_load (ret->bloom_name, quota / 1024, /* 8 bit per entry in DB, expect 1k entries */
+ 5);
+ }
+ if (NULL == ret->filter)
+ {
+ ret->filter = GNUNET_CONTAINER_bloomfilter_init (NULL, bf_size, 5); /* approx. 3% false positives at max use */
+ }
}
ret->stats = GNUNET_STATISTICS_create ("datacache", cfg);
ret->section = GNUNET_strdup (section);
ret->env.cls = ret;
ret->env.delete_notify = &env_delete_notify;
ret->env.quota = quota;
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Loading `%s' datacache plugin\n"),
- name);
+ LOG (GNUNET_ERROR_TYPE_INFO, _("Loading `%s' datacache plugin\n"), name);
GNUNET_asprintf (&libname, "libgnunet_plugin_datacache_%s", name);
ret->short_name = name;
ret->lib_name = libname;
ret->api = GNUNET_PLUGIN_load (libname, &ret->env);
if (ret->api == NULL)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Failed to load datacache plugin for `%s'\n"), name);
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _("Failed to load datacache plugin for `%s'\n"), name);
GNUNET_DATACACHE_destroy (ret);
return NULL;
}
void
GNUNET_DATACACHE_destroy (struct GNUNET_DATACACHE_Handle *h)
{
- if (h->filter != NULL)
+ if (NULL != h->filter)
GNUNET_CONTAINER_bloomfilter_free (h->filter);
if (h->api != NULL)
GNUNET_break (NULL == GNUNET_PLUGIN_unload (h->lib_name, h->api));
if (h->bloom_name != NULL)
{
if (0 != UNLINK (h->bloom_name))
- GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "unlink",
- h->bloom_name);
+ GNUNET_log_from_strerror_file (GNUNET_ERROR_TYPE_WARNING, "datacache",
+ "unlink", h->bloom_name);
GNUNET_free (h->bloom_name);
}
GNUNET_STATISTICS_destroy (h->stats, GNUNET_NO);
* @param data data to store
* @param type type of the value
* @param discard_time when to discard the value in any case
- * @return GNUNET_OK on success, GNUNET_SYSERR on error (full, etc.)
+ * @param path_info_len number of entries in 'path_info'
+ * @param path_info a path through the network
+ * @return GNUNET_OK on success, GNUNET_SYSERR on error, GNUNET_NO if duplicate
*/
int
GNUNET_DATACACHE_put (struct GNUNET_DATACACHE_Handle *h,
- const GNUNET_HashCode * key, size_t size,
+ const struct GNUNET_HashCode * key, size_t size,
const char *data, enum GNUNET_BLOCK_Type type,
- struct GNUNET_TIME_Absolute discard_time)
+ struct GNUNET_TIME_Absolute discard_time,
+ unsigned int path_info_len,
+ const struct GNUNET_PeerIdentity *path_info)
{
- uint32_t used;
+ ssize_t used;
- used = h->api->put (h->api->cls, key, size, data, type, discard_time);
- if (used == 0)
+ used = h->api->put (h->api->cls, key,
+ size, data,
+ type, discard_time,
+ path_info_len, path_info);
+ if (-1 == used)
{
GNUNET_break (0);
return GNUNET_SYSERR;
}
+ if (0 == used)
+ {
+ /* duplicate */
+ return GNUNET_NO;
+ }
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Stored data under key `%s' in cache\n",
+ GNUNET_h2s (key));
GNUNET_STATISTICS_update (h->stats, gettext_noop ("# bytes stored"), size,
GNUNET_NO);
- GNUNET_CONTAINER_bloomfilter_add (h->filter, key);
+ GNUNET_STATISTICS_update (h->stats, gettext_noop ("# items stored"), 1,
+ GNUNET_NO);
+ if (NULL != h->filter)
+ GNUNET_CONTAINER_bloomfilter_add (h->filter, key);
while (h->utilization + used > h->env.quota)
- GNUNET_assert (GNUNET_OK == h->api->del (h->api->cls));
+ GNUNET_assert (GNUNET_OK == h->api->del (h->api->cls));
h->utilization += used;
return GNUNET_OK;
}
*/
unsigned int
GNUNET_DATACACHE_get (struct GNUNET_DATACACHE_Handle *h,
- const GNUNET_HashCode * key, enum GNUNET_BLOCK_Type type,
+ const struct GNUNET_HashCode * key, enum GNUNET_BLOCK_Type type,
GNUNET_DATACACHE_Iterator iter, void *iter_cls)
{
GNUNET_STATISTICS_update (h->stats, gettext_noop ("# requests received"), 1,
GNUNET_NO);
- if (GNUNET_OK != GNUNET_CONTAINER_bloomfilter_test (h->filter, key))
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Processing request for key `%s'\n",
+ GNUNET_h2s (key));
+ if ( (NULL != h->filter) &&
+ (GNUNET_OK != GNUNET_CONTAINER_bloomfilter_test (h->filter, key)) )
{
GNUNET_STATISTICS_update (h->stats,
gettext_noop
("# requests filtered by bloom filter"), 1,
GNUNET_NO);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Bloomfilter filters request for key `%s'\n",
+ GNUNET_h2s (key));
return 0; /* can not be present */
}
return h->api->get (h->api->cls, key, type, iter, iter_cls);