#include "gnunet_statistics_service.h"
#include "gnunet-daemon-experimentation.h"
-struct GNUNET_CONTAINER_MultiHashMap *issuer;
+
+
+/**
+ * Struct to store information about an experiment issuer
+ */
+struct Issuer
+{
+ struct GNUNET_CRYPTO_EccPublicKeyBinaryEncoded pubkey;
+};
+
+
+/**
+ * Hashmap containing valid experiment issuer
+ */
+static struct GNUNET_CONTAINER_MultiHashMap *valid_issuers;
+
+
+/**
+ * Hashmap containing valid experiments
+ */
+static struct GNUNET_CONTAINER_MultiHashMap *experiments;
+
+
+uint32_t GSE_my_issuer_count;
+
+struct Experimentation_Issuer *GSE_my_issuer;
+
+
+/**
+ * Verify experiment signature
+ *
+ * @param i issuer
+ * @param e experiment
+ * @return GNUNET_OK or GNUNET_SYSERR
+ */
+int
+experiment_verify (struct Issuer *i, struct Experiment *e)
+{
+ GNUNET_assert (NULL != i);
+ GNUNET_assert (NULL != e);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Verification: to be implemented\n");
+ return GNUNET_OK;
+}
+
+int free_experiment (void *cls,
+ const struct GNUNET_HashCode * key,
+ void *value)
+{
+ struct Experiment *e = value;
+ GNUNET_CONTAINER_multihashmap_remove (experiments, key, value);
+ GNUNET_free_non_null (e->description);
+ GNUNET_free_non_null (e->name);
+ GNUNET_free (e);
+ return GNUNET_OK;
+}
+
+
+/**
+ * Free issuer element
+ *
+ * @param cls unused
+ * @param key the key
+ * @param value the issuer element to free
+ * @return GNUNET_OK to continue
+ */
+int free_issuer (void *cls,
+ const struct GNUNET_HashCode * key,
+ void *value)
+{
+ struct Issuer *i = value;
+ GNUNET_CONTAINER_multihashmap_remove (valid_issuers, key, value);
+ GNUNET_free (i);
+ return GNUNET_OK;
+}
+
+int create_issuer (void *cls,
+ const struct GNUNET_HashCode * key,
+ void *value)
+{
+ static int i = 0;
+ GNUNET_assert (i < GSE_my_issuer_count);
+ GSE_my_issuer[i].issuer_id.hashPubKey = *key;
+
+ i++;
+ return GNUNET_OK;
+
+}
+
+
/**
* Is peer a valid issuer
int
GNUNET_EXPERIMENTATION_experiments_issuer_accepted (struct GNUNET_PeerIdentity *issuer_ID)
{
- if (GNUNET_CONTAINER_multihashmap_contains (issuer, &issuer_ID->hashPubKey))
+ if (GNUNET_CONTAINER_multihashmap_contains (valid_issuers, &issuer_ID->hashPubKey))
return GNUNET_YES;
else
return GNUNET_NO;
}
+struct GetCtx
+{
+ struct Node *n;
+ GNUNET_EXPERIMENTATION_experiments_get_cb get_cb;
+};
+
+static int
+get_it (void *cls,
+ const struct GNUNET_HashCode * key,
+ void *value)
+{
+ struct GetCtx *get_ctx = cls;
+ struct Experiment *e = value;
+
+ get_ctx->get_cb (get_ctx->n, e);
+
+ return GNUNET_OK;
+}
+
+
+
+
+void
+GNUNET_EXPERIMENTATION_experiments_get (struct Node *n,
+ struct GNUNET_PeerIdentity *issuer,
+ GNUNET_EXPERIMENTATION_experiments_get_cb get_cb)
+{
+ struct GetCtx get_ctx;
+
+ GNUNET_assert (NULL != n);
+ GNUNET_assert (NULL != experiments);
+ GNUNET_assert (NULL != get_cb);
+
+ get_ctx.n = n;
+ get_ctx.get_cb = get_cb;
+
+ GNUNET_CONTAINER_multihashmap_get_multiple (experiments,
+ &issuer->hashPubKey, &get_it, &get_ctx);
+
+ get_cb (n, NULL);
+}
+
+/**
+ * Add a new experiment
+ */
+int GNUNET_EXPERIMENTATION_experiments_add (struct Issuer *i,
+ const char *name,
+ struct GNUNET_PeerIdentity issuer_id,
+ struct GNUNET_TIME_Absolute version,
+ char *description,
+ uint32_t required_capabilities,
+ struct GNUNET_TIME_Absolute start,
+ struct GNUNET_TIME_Relative frequency,
+ struct GNUNET_TIME_Relative duration,
+ struct GNUNET_TIME_Absolute stop)
+{
+ struct Experiment *e;
+ e = GNUNET_malloc (sizeof (struct Experiment));
+
+ e->name = GNUNET_strdup (name);
+ e->issuer = issuer_id;
+ e->version = version;
+ if (NULL != description)
+ e->description = GNUNET_strdup (description);
+ e->required_capabilities = required_capabilities;
+ e->start = start;
+ e->frequency = frequency;
+ e->duration = duration;
+ e->stop = stop;
+
+ /* verify experiment */
+ if (GNUNET_SYSERR == experiment_verify (i, e))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Experiment `%s': Experiment signature is invalid\n"), name);
+ GNUNET_free (e);
+ GNUNET_free_non_null (e->name);
+ GNUNET_free_non_null (e->description);
+ return GNUNET_SYSERR;
+ }
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Adding experiment `%s' running from `%s' to `%s' every %llu sec. for %llu sec. \n"),
+ e->name,
+ GNUNET_STRINGS_absolute_time_to_string (start),
+ GNUNET_STRINGS_absolute_time_to_string (stop),
+ (long long unsigned int) frequency.rel_value / 1000,
+ (long long unsigned int) duration.rel_value / 1000);
+ GNUNET_CONTAINER_multihashmap_put (experiments, &e->issuer.hashPubKey, e, GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
+ GNUNET_STATISTICS_set (GSE_stats, "# experiments", GNUNET_CONTAINER_multihashmap_size (experiments), GNUNET_NO);
+
+ return GNUNET_OK;
+}
+
+
+/**
+ * Parse a configuration section containing experiments
+ *
+ * @param cls configuration handle
+ * @param name section name
+ */
+void exp_file_iterator (void *cls,
+ const char *name)
+{
+ struct GNUNET_CONFIGURATION_Handle *exp = cls;
+ struct Issuer *i;
+
+ char *val;
+ unsigned long long number;
+
+ /* Experiment values */
+ struct GNUNET_PeerIdentity issuer;
+ struct GNUNET_TIME_Absolute version;
+ char *description;
+ uint32_t required_capabilities;
+ struct GNUNET_TIME_Absolute start ;
+ struct GNUNET_TIME_Absolute stop;
+ struct GNUNET_TIME_Relative frequency;
+ struct GNUNET_TIME_Relative duration;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Parsing section `%s'\n", name);
+
+ /* Mandatory fields */
+
+ /* Issuer */
+ if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_string (exp, name, "ISSUER", &val))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Experiment `%s': Issuer missing\n"), name);
+ return;
+ }
+ if (GNUNET_SYSERR == GNUNET_CRYPTO_hash_from_string (val, &issuer.hashPubKey))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Experiment `%s': Issuer invalid\n"), name);
+ GNUNET_free (val);
+ return;
+ }
+ if (NULL == (i = GNUNET_CONTAINER_multihashmap_get (valid_issuers, &issuer.hashPubKey)))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Experiment `%s': Issuer not accepted!\n"), name);
+ GNUNET_free (val);
+ return;
+ }
+ GNUNET_free (val);
+
+ /* Version */
+ if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_number (exp, name, "VERSION", &number))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Experiment `%s': Version missing or invalid \n"), name);
+ return;
+ }
+ version.abs_value = number;
+
+ /* Required capabilities */
+ if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_number (exp, name, "CAPABILITIES", &number))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Experiment `%s': Required capabilities missing \n"), name);
+ return;
+ }
+ if (number > UINT32_MAX)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Experiment `%s': Required capabilities invalid \n"), name);
+ return;
+ }
+ required_capabilities = number;
+
+ /* Optional fields */
+
+ /* Description */
+ GNUNET_CONFIGURATION_get_value_string (exp, name, "DESCRIPTION", &description);
+
+
+
+ if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_number (exp, name, "START", (long long unsigned int *) &start.abs_value))
+ start = GNUNET_TIME_UNIT_ZERO_ABS;
+
+ if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_time (exp, name, "FREQUENCY", &frequency))
+ frequency = EXP_DEFAULT_EXP_FREQ;
+ if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_time (exp, name, "DURATION", &duration))
+ duration = EXP_DEFAULT_EXP_DUR;
+ if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_number (exp, name, "STOP", (long long unsigned int *)&stop.abs_value))
+ stop = GNUNET_TIME_UNIT_FOREVER_ABS;
+
+ GNUNET_EXPERIMENTATION_experiments_add (i, name, issuer, version,
+ description, required_capabilities,
+ start, frequency, duration, stop);
+ GNUNET_free_non_null (description);
+}
+
+
+/**
+ * Load experiments from file
+ *
+ * @param file source file
+ */
+static void
+load_file (const char * file)
+{
+ struct GNUNET_CONFIGURATION_Handle *exp = GNUNET_CONFIGURATION_create();
+ if (NULL == exp)
+ return;
+
+ if (GNUNET_SYSERR == GNUNET_CONFIGURATION_parse (exp, file))
+ {
+ GNUNET_CONFIGURATION_destroy (exp);
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Failed to parse file `%s'\n"), file);
+ return;
+ }
+ GNUNET_CONFIGURATION_iterate_sections (exp, &exp_file_iterator, exp);
+ GNUNET_CONFIGURATION_destroy (exp);
+}
+
/**
* Start experiments management
int
GNUNET_EXPERIMENTATION_experiments_start ()
{
+ struct Issuer *i;
char *issuers;
+ char *file;
+ char *pubkey;
char *pos;
struct GNUNET_PeerIdentity issuer_ID;
+ struct GNUNET_CRYPTO_EccPublicKeyBinaryEncoded pub;
+ struct GNUNET_HashCode hash;
/* Load valid issuer */
if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_string (GSE_cfg, "EXPERIMENTATION", "ISSUERS", &issuers))
return GNUNET_SYSERR;
}
- issuer = GNUNET_CONTAINER_multihashmap_create (10, GNUNET_NO);
-
+ valid_issuers = GNUNET_CONTAINER_multihashmap_create (10, GNUNET_NO);
for (pos = strtok (issuers, " "); pos != NULL; pos = strtok (NULL, " "))
{
else
{
GNUNET_log (GNUNET_ERROR_TYPE_INFO, "`%s' is a valid issuer \n", GNUNET_i2s (&issuer_ID));
- GNUNET_CONTAINER_multihashmap_put (issuer, &issuer_ID.hashPubKey,
- NULL, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST);
+ i = GNUNET_malloc (sizeof (struct Issuer));
+ GNUNET_CONTAINER_multihashmap_put (valid_issuers, &issuer_ID.hashPubKey,
+ i, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST);
+ i = NULL;
}
}
GNUNET_free (issuers);
- if (0 == GNUNET_CONTAINER_multihashmap_size (issuer))
+ if (0 == GNUNET_CONTAINER_multihashmap_size (valid_issuers))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("No valid experiment issuers configured! Set value to peer id of issuer! Exit...\n"));
GNUNET_EXPERIMENTATION_experiments_stop ();
return GNUNET_SYSERR;
}
+ GNUNET_STATISTICS_set (GSE_stats, "# issuer", GNUNET_CONTAINER_multihashmap_size (valid_issuers), GNUNET_NO);
- GNUNET_STATISTICS_set (GSE_stats, "# issuer", GNUNET_CONTAINER_multihashmap_size (issuer), GNUNET_NO);
+ if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (GSE_cfg, "EXPERIMENTATION", "PUBKEY", &pubkey))
+ {
+ if (GNUNET_OK != GNUNET_CRYPTO_ecc_public_key_from_string(pubkey, strlen (pubkey), &pub))
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Invalid public key `%s'\n"), pubkey);
+ else
+ {
+ GNUNET_CRYPTO_hash( &pub, sizeof (pub), &hash);
+ if (NULL != (i = GNUNET_CONTAINER_multihashmap_get (valid_issuers, &hash)))
+ {
+ i->pubkey = pub;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, _("Found issuer for public key `%s'\n"), pubkey);
+ }
+ else
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("No issuer for public key `%s'\n"), pubkey);
+ }
+ GNUNET_free (pubkey);
+ }
+
+ GSE_my_issuer_count = GNUNET_CONTAINER_multihashmap_size (valid_issuers);
+ GSE_my_issuer = GNUNET_malloc (GSE_my_issuer_count * sizeof (struct Experimentation_Issuer));
+ GNUNET_CONTAINER_multihashmap_iterate (valid_issuers, &create_issuer, GSE_my_issuer);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Daemon has %u issuers\n"), GSE_my_issuer_count);
+
+ experiments = GNUNET_CONTAINER_multihashmap_create (10, GNUNET_NO);
+ /* Load experiments from file */
+ if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_string (GSE_cfg, "EXPERIMENTATION", "EXPERIMENTS", &file))
+ return GNUNET_OK;
+
+ if (GNUNET_YES != GNUNET_DISK_file_test (file))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Cannot read experiments file `%s'\n"), file);
+ GNUNET_free (file);
+ return GNUNET_OK;
+ }
+ load_file (file);
+ GNUNET_free (file);
return GNUNET_OK;
}
+
/**
* Stop experiments management
*/
void
GNUNET_EXPERIMENTATION_experiments_stop ()
{
- if (NULL != issuer)
- GNUNET_CONTAINER_multihashmap_destroy (issuer);
- issuer = NULL;
+ if (NULL != GSE_my_issuer)
+ {
+ GNUNET_free (GSE_my_issuer);
+ GSE_my_issuer = NULL;
+ GSE_my_issuer_count = 0;
+ }
+ if (NULL != valid_issuers)
+ {
+ GNUNET_CONTAINER_multihashmap_iterate (valid_issuers, &free_issuer, NULL);
+ GNUNET_CONTAINER_multihashmap_destroy (valid_issuers);
+ }
+ valid_issuers = NULL;
+ if (NULL != experiments)
+ {
+ GNUNET_CONTAINER_multihashmap_iterate (experiments, &free_experiment, NULL);
+ GNUNET_CONTAINER_multihashmap_destroy (experiments);
+ }
+ experiments = NULL;
}
/* end of gnunet-daemon-experimentation_experiments.c */
projects / oweals / gnunet.git / blobdiff