[GNUnet-SVN] r17454 - gnunet/src/ats

[gnunet]

Author: wachs
Date: 2011-10-13 21:14:04 +0200 (Thu, 13 Oct 2011)
New Revision: 17454

Added:
   gnunet/src/ats/gnunet-service-ats.c
Log:
missing


Added: gnunet/src/ats/gnunet-service-ats.c
===================================================================
--- gnunet/src/ats/gnunet-service-ats.c                         (rev 0)
+++ gnunet/src/ats/gnunet-service-ats.c 2011-10-13 19:14:04 UTC (rev 17454)
@@ -0,0 +1,241 @@
+/*
+     This file is part of GNUnet.
+     (C) 2009 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.c
+ * @brief ats service
+ * @author Matthias Wachs
+ */
+#include "platform.h"
+#include "gnunet_getopt_lib.h"
+#include "gnunet_service_lib.h"
+#include "gnunet_container_lib.h"
+#include "ats.h"
+
+struct ATS_Clients
+{
+  struct GNUNET_SERVER_Client *client;
+
+  uint32_t flags;
+};
+
+struct ATS_Address
+{
+  struct GNUNET_PeerIdentity peer;
+
+  size_t addr_len;
+
+  uint32_t session_id;
+
+  uint32_t ats_count;
+
+  void * addr;
+
+  char * plugin;
+
+  struct GNUNET_TRANSPORT_ATS_Information * ats;
+};
+
+/**
+ * Head of linked list of all clients to this service.
+ */
+static struct ATS_Clients *ac_head;
+
+/**
+ * Tail of linked list of all clients to this service.
+ */
+static struct ATS_Clients *ac_tail;
+
+static struct GNUNET_CONTAINER_MultiHashMap * addresses;
+
+int address_it (void *cls,
+               const GNUNET_HashCode * key,
+               void *value)
+{
+  struct ATS_Address * aa = cls;
+  GNUNET_free (aa);
+  GNUNET_OK;
+}
+
+/**
+ * Task run during shutdown.
+ *
+ * @param cls unused
+ * @param tc unused
+ */
+static void
+cleanup_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  struct ATS_Clients * t;
+
+  while (ac_head != NULL)
+  {
+    t = ac_head;
+    GNUNET_CONTAINER_DLL_remove(ac_head,ac_tail, t);
+    GNUNET_free (ac);
+  }
+
+  GNUNET_CONTAINER_multihashmap_iterate(addresses, address_it, NULL);
+
+  GNUNET_CONTAINER_multihashmap_create(addresses);
+}
+
+static void
+handle_ats_start (void *cls, struct GNUNET_SERVER_Client *client,
+                      const struct GNUNET_MessageHeader *message)
+
+{
+  struct ClientStartMessage * msg = (struct ClientStartMessage *) msg;
+  struct ATS_Clients * ac = NULL;
+
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", "ATS_START");
+
+  GNUNET_assert (find_client(client) == NULL);
+
+  ac = GNUNET_malloc (sizeof (struct ATS_Clients));
+  ac->client = client;
+  ac->flags = ntohl (msg->start_flag);
+
+  GNUNET_CONTAINER_DLL_insert(ac_head, ac_tail, ac);
+}
+
+static void
+handle_request_address (void *cls, struct GNUNET_SERVER_Client *client,
+                      const struct GNUNET_MessageHeader *message)
+
+{
+  struct RequestAddressMessage * msg = (struct RequestAddressMessage *) msg;
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", 
"REQUEST_ADDRESS");
+
+}
+
+static void
+handle_address_update (void *cls, struct GNUNET_SERVER_Client *client,
+                      const struct GNUNET_MessageHeader *message)
+
+{
+  struct AddressUpdateMessage * msg = (struct AddressUpdateMessage *) msg;
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", 
"ADDRESS_UPDATE");
+
+  struct GNUNET_TRANSPORT_ATS_Information *am;
+  char *pm;
+
+  if (size <= sizeof (struct AddressUpdateMessage))
+      GNUNET_break (0);
+
+  struct ATS_Address * aa = GNUNET_malloc (sizeof (struct ATS_Address) +
+                                           ats_count * sizeof (struct 
GNUNET_TRANSPORT_ATS_Information) +
+                                           addr_len +
+                                           plugin_len);
+
+  size_t size = ntohs (msg->header.size);
+  size_t ats_count = ntohs (msg->ats_count);
+  size_t addr_len = ntohs (msg->address_length);
+  size_t plugin_len = ntohs (msg->plugin_name_length) + 1 ;
+
+  memcpy (&aa->peer, &msg->peer, sizeof (struct GNUNET_PeerIdentity));
+  aa->addr_len = addr_len;
+  aa->ats_count = ats_count;
+  aa->ats = &aa[1];
+
+  am = (struct GNUNET_TRANSPORT_ATS_Information*) &msg[1];
+  memcpy (&aa->ats, am, ats_count * sizeof (struct 
GNUNET_TRANSPORT_ATS_Information));
+  pm = (char *) &am[ats_count];
+  memcpy (aa->addr, pm, addr_len);
+  memcpy (aa->plugin, &pm[plugin_addr_len], plugin_len);
+  aa->session_id = ntohl(msg->session_id);
+
+  GNUNET_assert (GNUNET_OK == GNUNET_CONTAINER_multihashmap_put(addresses, 
aa->peer.hashPubKey, aa, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
+}
+
+static void
+handle_address_destroyed (void *cls, struct GNUNET_SERVER_Client *client,
+                      const struct GNUNET_MessageHeader *message)
+
+{
+  struct AddressDestroyedMessage * msg = (struct AddressDestroyedMessage *) 
msg;
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", 
"ADDRESS_DESTROYED");
+
+}
+
+static void
+handle_reservation_request (void *cls, struct GNUNET_SERVER_Client *client,
+                      const struct GNUNET_MessageHeader *message)
+
+{
+  struct AddressUpdateMessage * msg = (struct AddressUpdateMessage *) msg;
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", 
"RESERVATION_REQUEST");
+}
+
+static void
+handle_preference_change (void *cls, struct GNUNET_SERVER_Client *client,
+                      const struct GNUNET_MessageHeader *message)
+
+{
+  struct ChangePreferenceMessage * msg = (struct ChangePreferenceMessage *) 
msg;
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", 
"PREFERENCE_CHANGE");
+}
+
+/**
+ * Process template requests.
+ *
+ * @param cls closure
+ * @param server the initialized server
+ * @param cfg configuration to use
+ */
+static void
+run (void *cls, struct GNUNET_SERVER_Handle *server,
+     const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+  static const struct GNUNET_SERVER_MessageHandler handlers[] = {
+      {&handle_ats_start, NULL, GNUNET_MESSAGE_TYPE_ATS_START, sizeof (struct 
ClientStartMessage)},
+      {&handle_request_address, NULL, GNUNET_MESSAGE_TYPE_ATS_REQUEST_ADDRESS, 
sizeof (struct RequestAddressMessage)},
+      {&handle_address_update, NULL, GNUNET_MESSAGE_TYPE_ATS_ADDRESS_UPDATE, 
0},
+      {&handle_address_destroyed, NULL, 
GNUNET_MESSAGE_TYPE_ATS_ADDRESS_DESTROYED, 0},
+      {&handle_reservation_request, NULL, 
GNUNET_MESSAGE_TYPE_ATS_RESERVATION_REQUEST, sizeof (struct 
ReservationRequestMessage)},
+      {&handle_preference_change, NULL, 
GNUNET_MESSAGE_TYPE_ATS_PREFERENCE_CHANGE, 0},
+    {NULL, NULL, 0, 0}
+  };
+
+  addresses = GNUNET_CONTAINER_multihashmap_create(100);
+
+  GNUNET_SERVER_add_handlers (server, handlers);
+  GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &cleanup_task,
+                                NULL);
+}
+
+
+/**
+ * The main function for the ats service.
+ *
+ * @param argc number of arguments from the command line
+ * @param argv command line arguments
+ * @return 0 ok, 1 on error
+ */
+int
+main (int argc, char *const *argv)
+{
+  return (GNUNET_OK ==
+          GNUNET_SERVICE_run (argc, argv, "gnunet-service-ats",
+                              GNUNET_SERVICE_OPTION_NONE, &run, NULL)) ? 0 : 1;
+}
+
+/* end of gnunet-service-ats.c */