#define PREF_AGING_INTERVAL GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10)
#define PREF_AGING_FACTOR 0.95
+#define PREF_EPSILON 0.1
#define DEFAULT_REL_PREFERENCE 1.0
#define DEFAULT_ABS_PREFERENCE 0.0
+#define DEFAULT_REL_QUALITY 1.0
+
+typedef void
+(*GAS_Normalization_preference_changed_cb) (void *cls,
+ const struct GNUNET_PeerIdentity *peer,
+ enum GNUNET_ATS_PreferenceKind kind,
+ double pref_rel);
+
+typedef void
+(*GAS_Normalization_property_changed_cb) (void *cls,
+ struct ATS_Address *peer,
+ uint32_t type,
+ double prop_rel);
+
/**
* Get the normalized preference values for a specific peer
*
- * @param id the peer
- * @return pointer to the values, can be indexed with GNUNET_ATS_PreferenceKind, NULL if peer does not exist
+ * @param id the peer @return pointer to the values, can be indexed
+ * with GNUNET_ATS_PreferenceKind, NULL if peer does not exist
+ */
+const double *
+GAS_normalization_get_preferences_by_peer (const struct GNUNET_PeerIdentity *id);
+
+
+/**
+ * Get the normalized properties values for a specific peer or
+ * the default values if
+ *
+ * @param address the address
+ * @return pointer to the values, can be indexed with GNUNET_ATS_PreferenceKind,
+ * default preferences if peer does not exist
*/
const double *
-GAS_normalization_get_preferences (struct GNUNET_PeerIdentity *id);
+GAS_normalization_get_properties (struct ATS_Address *address);
+
+
+/**
+ * Get the normalized preference values for a specific client and peer
+ *
+ * @param client client
+ * @param peer the peer
+ * @param pref the preference type
+ * @return the value
+ */
+const double
+GAS_normalization_get_preferences_by_client (const void *client,
+ struct GNUNET_PeerIdentity *peer, enum GNUNET_ATS_PreferenceKind pref);
/**
- * Changes the preferences for a peer in the problem
+ * Normalize an updated preference value
*
- * @param solver the solver handle
- * @param client the client with this preference
+ * @param src the client with this preference
* @param peer the peer to change the preference for
* @param kind the kind to change the preference
- * @param score the normalized score
+ * @param score_abs the normalized score
+ */
+void
+GAS_normalization_normalize_preference (void *src,
+ const struct GNUNET_PeerIdentity *peer,
+ enum GNUNET_ATS_PreferenceKind kind,
+ float score_abs);
+
+/**
+ * Update and normalize a atsi performance information
+ *
+ * @param addresses hashmap containing all addresses
+ * @param address the address to update
+ * @param atsi the array of performance information
+ * @param atsi_count the number of atsi information in the array
+ */
+void
+GAS_normalization_normalize_property (struct GNUNET_CONTAINER_MultiPeerMap *addresses,
+ struct ATS_Address *address,
+ const struct GNUNET_ATS_Information *atsi,
+ uint32_t atsi_count);
+
+
+/**
+ * A performance client disconnected
+ *
+ * @param client the disconnecting client
*/
-float
-GAS_normalization_change_preference (void *src,
- const struct GNUNET_PeerIdentity *peer,
- enum GNUNET_ATS_PreferenceKind kind,
- float score_abs);
+void
+GAS_normalization_preference_client_disconnect (void *client);
+/**
+ * Start the normalization component
+ *
+ * @param pref_ch_cb callback to call on relative preference changing
+ * @param pref_ch_cb_cls cls for the preference callback
+ * @param property_ch_cb callback to call on relative property changing
+ * @param property_ch_cb_cls cls for the property callback
+ */
void
-GAS_normalization_start ();
+GAS_normalization_start (GAS_Normalization_preference_changed_cb pref_ch_cb,
+ void *pref_ch_cb_cls,
+ GAS_Normalization_property_changed_cb property_ch_cb,
+ void *property_ch_cb_cls);
+
+/**
+ * Stop the normalization component and free all items
+ */
void
GAS_normalization_stop ();