remove old CADET service code

1 files changed, 0 insertions, 424 deletions

diff --git a/src/cadet/gnunet-service-cadet_dht.c b/src/cadet/gnunet-service-cadet_dht.c
deleted file mode 100644
index 22673b167..000000000
--- a/src/cadet/gnunet-service-cadet_dht.c
+++ /dev/null
@@ -1,424 +0,0 @@
-/*
-     This file is part of GNUnet.
-     Copyright (C) 2013 GNUnet e.V.
-
-     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., 51 Franklin Street, Fifth Floor,
-     Boston, MA 02110-1301, USA.
-*/
-
-
-#include "platform.h"
-#include "gnunet_util_lib.h"
-
-#include "gnunet_dht_service.h"
-#include "gnunet_statistics_service.h"
-
-#include "cadet_path.h"
-#include "gnunet-service-cadet_dht.h"
-#include "gnunet-service-cadet_peer.h"
-#include "gnunet-service-cadet_hello.h"
-
-#define LOG(level, ...) GNUNET_log_from (level,"cadet-dht",__VA_ARGS__)
-
-
-/******************************************************************************/
-/********************************   STRUCTS  **********************************/
-/******************************************************************************/
-
-/**
- * Handle for DHT searches.
- */
-struct GCD_search_handle
-{
-  /**
-   * DHT_GET handle.
-   */
-  struct GNUNET_DHT_GetHandle *dhtget;
-
-  /**
-   * Provided callback to call when a path is found.
-   */
-  GCD_search_callback callback;
-
-  /**
-   * Provided closure.
-   */
-  void *cls;
-
-  /**
-   * Peer ID searched for
-   */
-  GNUNET_PEER_Id peer_id;
-};
-
-
-/******************************************************************************/
-/*******************************   GLOBALS  ***********************************/
-/******************************************************************************/
-
-/**
- * Global handle to the statistics service.
- */
-extern struct GNUNET_STATISTICS_Handle *stats;
-
-/**
- * Own ID (short value).
- */
-extern GNUNET_PEER_Id myid;
-
-/**
- * Own ID (full value).
- */
-extern struct GNUNET_PeerIdentity my_full_id;
-
-/**
- * Handle to use DHT.
- */
-static struct GNUNET_DHT_Handle *dht_handle;
-
-/**
- * How often to PUT own ID in the DHT.
- */
-static struct GNUNET_TIME_Relative id_announce_time;
-
-/**
- * DHT replication level, see DHT API: GNUNET_DHT_get_start, GNUNET_DHT_put.
- */
-static unsigned long long dht_replication_level;
-
-/**
- * Task to periodically announce itself in the network.
- */
-static struct GNUNET_SCHEDULER_Task * announce_id_task;
-
-/**
- * Delay for the next ID announce.
- */
-static struct GNUNET_TIME_Relative announce_delay;
-
-/**
- * GET requests to stop on shutdown.
- */
-static struct GNUNET_CONTAINER_MultiHashMap32 *get_requests;
-
-/******************************************************************************/
-/********************************   STATIC  ***********************************/
-/******************************************************************************/
-
-
-/**
- * Build a PeerPath from the paths returned from the DHT, reversing the paths
- * to obtain a local peer -> destination path and interning the peer ids.
- *
- * @return Newly allocated and created path
- *
- * FIXME refactor and use build_path_from_peer_ids
- */
-static struct CadetPeerPath *
-path_build_from_dht (const struct GNUNET_PeerIdentity *get_path,
-                     unsigned int get_path_length,
-                     const struct GNUNET_PeerIdentity *put_path,
-                     unsigned int put_path_length)
-{
-  size_t size = get_path_length + put_path_length + 1;
-  struct GNUNET_PeerIdentity peers[size];
-  const struct GNUNET_PeerIdentity *peer;
-  struct CadetPeerPath *p;
-  unsigned int own_pos;
-  int i;
-
-  peers[0] = my_full_id;
-  LOG (GNUNET_ERROR_TYPE_DEBUG, "   GET has %d hops.\n", get_path_length);
-  for (i = 0 ; i < get_path_length; i++)
-  {
-    peer = &get_path[get_path_length - i - 1];
-    LOG (GNUNET_ERROR_TYPE_DEBUG, "   From GET: %s\n", GNUNET_i2s (peer));
-    peers[i + 1] = *peer;
-  }
-  for (i = 0 ; i < put_path_length; i++)
-  {
-    peer = &put_path[put_path_length - i - 1];
-    LOG (GNUNET_ERROR_TYPE_DEBUG, "   From PUT: %s\n", GNUNET_i2s (peer));
-    peers[i + get_path_length + 1] = *peer;
-  }
-  p = path_build_from_peer_ids (peers, size, myid, &own_pos);
-  return p;
-}
-
-
-/**
- * Function to process paths received for a new peer addition. The recorded
- * paths form the initial tunnel, which can be optimized later.
- * Called on each result obtained for the DHT search.
- *
- * @param cls closure
- * @param exp when will this value expire
- * @param key key of the result
- * @param get_path path of the get request
- * @param get_path_length lenght of @a get_path
- * @param put_path path of the put request
- * @param put_path_length length of the @a put_path
- * @param type type of the result
- * @param size number of bytes in data
- * @param data pointer to the result data
- */
-static void
-dht_get_id_handler (void *cls, struct GNUNET_TIME_Absolute exp,
-                    const struct GNUNET_HashCode * key,
-                    const struct GNUNET_PeerIdentity *get_path,
-                    unsigned int get_path_length,
-                    const struct GNUNET_PeerIdentity *put_path,
-                    unsigned int put_path_length, enum GNUNET_BLOCK_Type type,
-                    size_t size, const void *data)
-{
-  struct GCD_search_handle *h = cls;
-  struct GNUNET_HELLO_Message *hello;
-  struct CadetPeerPath *p;
-  struct CadetPeer *peer;
-  char *s;
-
-  p = path_build_from_dht (get_path, get_path_length,
-                           put_path, put_path_length);
-  if (NULL == p)
-  {
-    GNUNET_break_op (0);
-    return;
-  }
-
-  s = path_2s (p);
-  LOG (GNUNET_ERROR_TYPE_INFO,
-       "Got path from DHT: %s\n",
-       s);
-  GNUNET_free_non_null (s);
-
-  peer = GCP_get_short (p->peers[p->length - 1], GNUNET_YES);
-  LOG (GNUNET_ERROR_TYPE_DEBUG,
-       "Got HELLO for %s\n",
-       GCP_2s (peer));
-  h->callback (h->cls, p);
-  path_destroy (p);
-  hello = (struct GNUNET_HELLO_Message *) data;
-  GCP_set_hello (peer, hello);
-  GCP_try_connect (peer);
-}
-
-
-/**
- * Periodically announce self id in the DHT
- *
- * @param cls closure
- */
-static void
-announce_id (void *cls)
-{
-  struct GNUNET_HashCode phash;
-  const struct GNUNET_HELLO_Message *hello;
-  size_t size;
-  struct GNUNET_TIME_Absolute expiration;
-  struct GNUNET_TIME_Relative next_put;
-
-  announce_id_task = NULL;
-  LOG (GNUNET_ERROR_TYPE_DEBUG, "Announce ID\n");
-  hello = GCH_get_mine ();
-  size = (NULL != hello) ? GNUNET_HELLO_size (hello) : 0;
-  if ( (NULL == hello) || (0 == size) )
-  {
-    /* Peerinfo gave us no hello yet, try again soon. */
-    LOG (GNUNET_ERROR_TYPE_INFO,
-         "  no hello, waiting!\n");
-    GNUNET_STATISTICS_update (stats,
-                              "# DHT announce skipped (no hello)",
-                              1,
-                              GNUNET_NO);
-    expiration = GNUNET_TIME_absolute_add (GNUNET_TIME_absolute_get (),
-                                           announce_delay);
-    announce_delay = GNUNET_TIME_STD_BACKOFF (announce_delay);
-  }
-  else
-  {
-    expiration = GNUNET_HELLO_get_last_expiration (hello);
-    announce_delay = GNUNET_TIME_UNIT_SECONDS;
-  }
-
-  LOG (GNUNET_ERROR_TYPE_DEBUG,
-       "Hello %p size: %u\n",
-       hello,
-       size);
-  if (NULL != hello)
-  {
-    GNUNET_STATISTICS_update (stats,
-                              "# DHT announce",
-                              1, GNUNET_NO);
-    memset (&phash,
-            0,
-            sizeof (phash));
-    GNUNET_memcpy (&phash,
-                   &my_full_id,
-                   sizeof (my_full_id));
-    GNUNET_DHT_put (dht_handle,   /* DHT handle */
-                    &phash,       /* Key to use */
-                    dht_replication_level,     /* Replication level */
-                    GNUNET_DHT_RO_RECORD_ROUTE
-                    | GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE,    /* DHT options */
-                    GNUNET_BLOCK_TYPE_DHT_HELLO,       /* Block type */
-                    size,  /* Size of the data */
-                    (const char *) hello, /* Data itself */
-                    expiration,  /* Data expiration */
-                    NULL,         /* Continuation */
-                    NULL);        /* Continuation closure */
-  }
-  /* Call again in id_announce_time, unless HELLO expires first,
-   * but wait at least 1s. */
-  next_put = GNUNET_TIME_absolute_get_remaining (expiration);
-  next_put = GNUNET_TIME_relative_min (next_put,
-                                       id_announce_time);
-  next_put = GNUNET_TIME_relative_max (next_put,
-                                       GNUNET_TIME_UNIT_SECONDS);
-  announce_id_task = GNUNET_SCHEDULER_add_delayed (next_put,
-                                                   &announce_id,
-                                                   cls);
-}
-
-/**
- * Iterator over hash map entries and stop GET requests before disconnecting
- * from the DHT.
- *
- * @param cls Closure (unused)
- * @param key Current peer ID.
- * @param value Value in the hash map (GCD_search_handle).
- *
- * @return #GNUNET_YES, we should continue to iterate,
- */
-int
-stop_get (void *cls,
-          uint32_t key,
-          void *value)
-{
-  struct GCD_search_handle *h = value;
-
-  GCD_search_stop (h);
-  return GNUNET_YES;
-}
-
-
-/******************************************************************************/
-/********************************    API    ***********************************/
-/******************************************************************************/
-
-/**
- * Initialize the DHT subsystem.
- *
- * @param c Configuration.
- */
-void
-GCD_init (const struct GNUNET_CONFIGURATION_Handle *c)
-{
-  LOG (GNUNET_ERROR_TYPE_DEBUG, "init\n");
-  if (GNUNET_OK !=
-      GNUNET_CONFIGURATION_get_value_number (c, "CADET",
-                                             "DHT_REPLICATION_LEVEL",
-                                             &dht_replication_level))
-  {
-    GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_WARNING, "CADET",
-                               "DHT_REPLICATION_LEVEL", "USING DEFAULT");
-    dht_replication_level = 3;
-  }
-
-  if (GNUNET_OK !=
-      GNUNET_CONFIGURATION_get_value_time (c, "CADET", "ID_ANNOUNCE_TIME",
-                                           &id_announce_time))
-  {
-    GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_ERROR, "CADET",
-                               "ID_ANNOUNCE_TIME", "MISSING");
-    GNUNET_SCHEDULER_shutdown ();
-    return;
-  }
-
-  dht_handle = GNUNET_DHT_connect (c, 64);
-  if (NULL == dht_handle)
-  {
-    GNUNET_break (0);
-  }
-
-  announce_delay = GNUNET_TIME_UNIT_SECONDS;
-  announce_id_task = GNUNET_SCHEDULER_add_now (&announce_id, NULL);
-  get_requests = GNUNET_CONTAINER_multihashmap32_create (32);
-}
-
-
-/**
- * Shut down the DHT subsystem.
- */
-void
-GCD_shutdown (void)
-{
-  LOG (GNUNET_ERROR_TYPE_DEBUG, "Shutting down DHT\n");
-  GNUNET_CONTAINER_multihashmap32_iterate (get_requests, &stop_get, NULL);
-  GNUNET_CONTAINER_multihashmap32_destroy (get_requests);
-  if (dht_handle != NULL)
-  {
-    GNUNET_DHT_disconnect (dht_handle);
-    dht_handle = NULL;
-  }
-  if (NULL != announce_id_task)
-  {
-    GNUNET_SCHEDULER_cancel (announce_id_task);
-    announce_id_task = NULL;
-  }
-}
-
-struct GCD_search_handle *
-GCD_search (const struct GNUNET_PeerIdentity *peer_id,
-            GCD_search_callback callback, void *cls)
-{
-  struct GNUNET_HashCode phash;
-  struct GCD_search_handle *h;
-
-  LOG (GNUNET_ERROR_TYPE_DEBUG, "Starting DHT GET for peer %s\n",
-       GNUNET_i2s (peer_id));
-  GNUNET_STATISTICS_update (stats, "# DHT search", 1, GNUNET_NO);
-  memset (&phash, 0, sizeof (phash));
-  GNUNET_memcpy (&phash, peer_id, sizeof (*peer_id));
-  h = GNUNET_new (struct GCD_search_handle);
-  h->peer_id = GNUNET_PEER_intern (peer_id);
-  h->callback = callback;
-  h->cls = cls;
-  h->dhtget = GNUNET_DHT_get_start (dht_handle,    /* handle */
-                                    GNUNET_BLOCK_TYPE_DHT_HELLO, /* type */
-                                    &phash,     /* key to search */
-                                    dht_replication_level, /* replication level */
-                                    GNUNET_DHT_RO_RECORD_ROUTE |
-                                    GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE,
-                                    NULL,       /* xquery */
-                                    0,     /* xquery bits */
-                                    &dht_get_id_handler,
-                                    h);
-  GNUNET_CONTAINER_multihashmap32_put (get_requests,
-                                       h->peer_id,
-                                       h,
-                                       GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST);
-  return h;
-}
-
-
-void
-GCD_search_stop (struct GCD_search_handle *h)
-{
-  GNUNET_break (GNUNET_OK ==
-                GNUNET_CONTAINER_multihashmap32_remove (get_requests,
-                                                        h->peer_id, h));
-  GNUNET_DHT_get_stop (h->dhtget);
-  GNUNET_free (h);
-}