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diff --git a/src/ats/gnunet-service-ats_addresses_simplistic.h b/src/ats/gnunet-service-ats_addresses_simplistic.h
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+++ b/src/ats/gnunet-service-ats_addresses_simplistic.h
@@ -0,0 +1,151 @@
+/*
+     This file is part of GNUnet.
+     (C) 2011 Christian Grothoff (and other contributing authors)
+
+     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 3, or (at your
+     option) any later version.
+
+     GNUnet is distributed in the hope that it will be useful, but
+     WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+     General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with GNUnet; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @file ats/gnunet-service-ats_addresses_simplistic.h
+ * @brief ats simplistic ressource assignment
+ * @author Matthias Wachs
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "gnunet_statistics_service.h"
+#include "gnunet-service-ats_addresses.h"
+
+#define BIG_M_STRING "unlimited"
+
+/**
+ * Init the simplistic problem solving component
+ *
+ * Quotas:
+ * network[i] contains the network type as type GNUNET_ATS_NetworkType[i]
+ * out_quota[i] contains outbound quota for network type i
+ * in_quota[i] contains inbound quota for network type i
+ *
+ * Example
+ * network = {GNUNET_ATS_NET_UNSPECIFIED, GNUNET_ATS_NET_LOOPBACK, GNUNET_ATS_NET_LAN, GNUNET_ATS_NET_WAN, GNUNET_ATS_NET_WLAN}
+ * network[2]   == GNUNET_ATS_NET_LAN
+ * out_quota[2] == 65353
+ * in_quota[2]  == 65353
+ *
+ * @param cfg configuration handle
+ * @param stats the GNUNET_STATISTICS handle
+ * @param network array of GNUNET_ATS_NetworkType with length dest_length
+ * @param out_quota array of outbound quotas
+ * @param in_quota array of outbound quota
+ * @param dest_length array length for quota arrays
+ * @param bw_changed_cb callback for changed bandwidth amounts
+ * @param bw_changed_cb_cls cls for callback
+ * @return handle for the solver on success, NULL on fail
+ */
+void *
+GAS_simplistic_init (const struct GNUNET_CONFIGURATION_Handle *cfg,
+                     const struct GNUNET_STATISTICS_Handle *stats,
+                     int *network,
+                     unsigned long long *out_quota,
+                     unsigned long long *in_quota,
+                     int dest_length,
+                     GAS_bandwidth_changed_cb bw_changed_cb,
+                     void *bw_changed_cb_cls);
+
+/**
+ * Shutdown the simplistic problem solving component
+ *
+ * @param solver the respective handle to shutdown
+ */
+void
+GAS_simplistic_done (void * solver);
+
+/**
+ * Add a single address to the solve
+ *
+ * @param solver the solver Handle
+ * @param addresses the address hashmap containing all addresses
+ * @param address the address to add
+ */
+void
+GAS_simplistic_address_add (void *solver, struct GNUNET_CONTAINER_MultiHashMap * addresses, struct ATS_Address *address);
+
+
+/**
+ * Updates a single address in the solve
+ *
+ * @param solver the solver Handle
+ * @param addresses the address hashmap containing all addresses
+ * @param address the update address
+ * @param session the new session (if changed otherwise current)
+ * @param in_use the new address in use state (if changed otherwise current)
+ * @param atsi the latest ATS information
+ * @param atsi_count the atsi count
+ */
+void
+GAS_simplistic_address_update (void *solver,
+    struct GNUNET_CONTAINER_MultiHashMap *addresses,
+    struct ATS_Address *address,
+    uint32_t session,
+    int in_use,
+    const struct GNUNET_ATS_Information *atsi,
+    uint32_t atsi_count);
+
+
+/**
+ * Remove an address from the solver
+ *
+ * @param solver the solver handle
+ * @param addresses the address hashmap containing all addresses
+ * @param address the address to remove
+ * @param session_only delete only session not whole address
+ */
+void
+GAS_simplistic_address_delete (void *solver,
+    struct GNUNET_CONTAINER_MultiHashMap * addresses,
+    struct ATS_Address *address, int session_only);
+
+
+/**
+ * Get the prefered address for a specific peer
+ *
+ * @param solver the solver handle
+ * @param addresses the address hashmap containing all addresses
+ * @param peer the identity of the peer
+ */
+const struct ATS_Address *
+GAS_simplistic_get_preferred_address (void *solver,
+                               struct GNUNET_CONTAINER_MultiHashMap * addresses,
+                               const struct GNUNET_PeerIdentity *peer);
+
+
+/**
+ * Changes the preferences for a peer in the problem
+ *
+ * @param solver the solver handle
+ * @param client 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 score
+ */
+void
+GAS_simplistic_address_change_preference (void *solver,
+                                   void *client,
+                                   const struct GNUNET_PeerIdentity *peer,
+                                   enum GNUNET_ATS_PreferenceKind kind,
+                                   float score);
+
+
+/* end of gnunet-service-ats_addresses_simplistic.h */