[GNUnet-SVN] r17516 - gnunet/src/ats

[gnunet]

Author: grothoff
Date: 2011-10-17 09:12:24 +0200 (Mon, 17 Oct 2011)
New Revision: 17516

Modified:
   gnunet/src/ats/gnunet-service-ats_addresses.c
   gnunet/src/ats/gnunet-service-ats_addresses.h
   gnunet/src/ats/gnunet-service-ats_performance.c
Log:
parse preference change messages

Modified: gnunet/src/ats/gnunet-service-ats_addresses.c
===================================================================
--- gnunet/src/ats/gnunet-service-ats_addresses.c       2011-10-17 07:03:45 UTC 
(rev 17515)
+++ gnunet/src/ats/gnunet-service-ats_addresses.c       2011-10-17 07:12:24 UTC 
(rev 17516)
@@ -279,6 +279,17 @@
 }
 
 
+// FIXME: this function should likely end up in the LP-subsystem and
+// not with 'addresses' in the future...
+void
+GAS_addresses_change_preference (const struct GNUNET_PeerIdentity *peer,
+                                enum GNUNET_ATS_PreferenceKind kind,
+                                float score)
+{
+  // do nothing for now...
+}
+
+
 /**
  * Initialize address subsystem.
  *
@@ -321,7 +332,6 @@
 }
 
 
-
 /**
  * Shutdown address subsystem.
  */

Modified: gnunet/src/ats/gnunet-service-ats_addresses.h
===================================================================
--- gnunet/src/ats/gnunet-service-ats_addresses.h       2011-10-17 07:03:45 UTC 
(rev 17515)
+++ gnunet/src/ats/gnunet-service-ats_addresses.h       2011-10-17 07:12:24 UTC 
(rev 17516)
@@ -29,6 +29,8 @@
 
 #include "gnunet_util_lib.h"
 #include "gnunet_transport_service.h" // FIXME...
+#include "gnunet_ats_service.h" 
+#include "ats.h"
 
 /**
  * Initialize address subsystem.
@@ -73,6 +75,14 @@
 GAS_addresses_request_address (const struct GNUNET_PeerIdentity *peer);
 
 
+// FIXME: this function should likely end up in the LP-subsystem and
+// not with 'addresses' in the future...
+void
+GAS_addresses_change_preference (const struct GNUNET_PeerIdentity *peer,
+                                enum GNUNET_ATS_PreferenceKind kind,
+                                float score);
+
+
 /* FIXME: add performance request API */
 
 #endif

Modified: gnunet/src/ats/gnunet-service-ats_performance.c
===================================================================
--- gnunet/src/ats/gnunet-service-ats_performance.c     2011-10-17 07:03:45 UTC 
(rev 17515)
+++ gnunet/src/ats/gnunet-service-ats_performance.c     2011-10-17 07:12:24 UTC 
(rev 17516)
@@ -25,6 +25,7 @@
  * @author Christian Grothoff
  */
 #include "platform.h"
+#include "gnunet-service-ats_addresses.h"
 #include "gnunet-service-ats_performance.h"
 #include "gnunet-service-ats_reservations.h"
 #include "ats.h"
@@ -242,9 +243,31 @@
 GAS_handle_preference_change (void *cls, struct GNUNET_SERVER_Client *client,
                              const struct GNUNET_MessageHeader *message)
 {
-  // const struct ChangePreferenceMessage * msg = (const struct 
ChangePreferenceMessage *) message;
+  const struct ChangePreferenceMessage * msg;
+  const struct PreferenceInformation *pi;
+  uint16_t msize;
+  uint32_t nump;
+  uint32_t i;
+
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", 
"PREFERENCE_CHANGE");
-  // FIXME: implement later (we can safely ignore these for now)
+  msize = ntohs (message->size);
+  if (msize < sizeof (struct ChangePreferenceMessage))
+  {
+    GNUNET_break (0);
+    GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+  }
+  msg = (const struct ChangePreferenceMessage *) message;
+  nump = ntohl (msg->num_preferences);
+  if (msize != sizeof (struct ChangePreferenceMessage) * nump * sizeof (struct 
PreferenceInformation))
+  {
+    GNUNET_break (0);
+    GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+  }
+  pi = (const struct PreferenceInformation *) &msg[1];
+  for (i=0;i<nump;i++)
+    GAS_addresses_change_preference (&msg->peer,
+                                    (enum GNUNET_ATS_PreferenceKind) ntohl 
(pi[i].preference_kind),
+                                    pi[i].preference_value);
   GNUNET_SERVER_receive_done (client, GNUNET_OK);
 }