From bfa3b153493bc4d15f0be2d3dfa0b77e45065a61 Mon Sep 17 00:00:00 2001
From: Matthias Wachs <wachs@net.in.tum.de>
Date: Wed, 3 Jul 2013 11:55:28 +0000
Subject: [PATCH] function to get normalized properties in solver

---
 src/ats/gnunet-service-ats_addresses.c     | 22 ++++++++++++++++
 src/ats/gnunet-service-ats_normalization.c | 29 ++++++++++++++++++++++
 src/ats/gnunet-service-ats_normalization.h | 11 ++++++++
 3 files changed, 62 insertions(+)

diff --git a/src/ats/gnunet-service-ats_addresses.c b/src/ats/gnunet-service-ats_addresses.c
index 4574383ab..317cfa07c 100644
--- a/src/ats/gnunet-service-ats_addresses.c
+++ b/src/ats/gnunet-service-ats_addresses.c
@@ -1379,12 +1379,34 @@ normalized_property_changed_cb (void *cls,
               prop_rel);
 }
 
+
+/**
+ * Function allowing the solver to obtain normalized preference
+ * values from solver
+ *
+ * @param cls unused
+ * @param id the peer to return the normalized properties for
+ * @return array of double values with |GNUNET_ATS_PreferenceCount| elements
+ */
 const double *
 get_preferences_cb (void *cls, const struct GNUNET_PeerIdentity *id)
 {
 	return GAS_normalization_get_preferences (id);
 }
 
+/**
+ * Function allowing the solver to obtain normalized property
+ * values for an address from solver
+ *
+ * @param cls unused
+ * @param id the peer to return the normalized properties for
+ * @return array of double values with |GNUNET_ATS_QualityPropertiesCount| elements
+ */
+const double *
+get_property_cb (void *cls, struct ATS_Address *address)
+{
+	return GAS_normalization_get_properties (address);
+}
 
 /**
  * Change the preference for a peer
diff --git a/src/ats/gnunet-service-ats_normalization.c b/src/ats/gnunet-service-ats_normalization.c
index 86e6f1700..6ced1b49e 100644
--- a/src/ats/gnunet-service-ats_normalization.c
+++ b/src/ats/gnunet-service-ats_normalization.c
@@ -509,6 +509,35 @@ GAS_normalization_get_preferences (const struct GNUNET_PeerIdentity *id)
 	return rp->f_rel;
 }
 
+
+/**
+ * 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_properties (struct ATS_Address *address)
+{
+	static double norm_values[GNUNET_ATS_QualityPropertiesCount];
+	int i;
+
+	GNUNET_assert (NULL != address);
+
+	for (i = 0; i < GNUNET_ATS_QualityPropertiesCount; i++)
+	{
+		if ((address->atsin[i].norm >= 1.0) &&
+				(address->atsin[i].norm <= 2.0))
+			norm_values[i] = address->atsin[i].norm;
+		else
+			norm_values[i] = DEFAULT_REL_QUALITY;
+	}
+	return norm_values;
+}
+
+
 /**
  * Quality Normalization
  */
diff --git a/src/ats/gnunet-service-ats_normalization.h b/src/ats/gnunet-service-ats_normalization.h
index 3637766f5..551c47cd3 100644
--- a/src/ats/gnunet-service-ats_normalization.h
+++ b/src/ats/gnunet-service-ats_normalization.h
@@ -57,6 +57,17 @@ const double *
 GAS_normalization_get_preferences (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_properties (struct ATS_Address *address);
+
 /**
  * Normalize an updated preference value
  *
-- 
2.25.1