#include "platform.h"
#include "mesh.h"
#include "mesh_protocol.h"
+#include "block_mesh.h"
#include "gnunet_dht_service.h"
#include "mesh_tunnel_tree.h"
/* TODO END */
-#define MESH_DEBUG_DHT GNUNET_YES
-#define MESH_DEBUG_CONNECTION GNUNET_NO
+#define MESH_BLOOM_SIZE 128
+
+#define MESH_DEBUG_DHT GNUNET_YES
+#define MESH_DEBUG_CONNECTION GNUNET_NO
#if MESH_DEBUG_CONNECTION
#define DEBUG_CONN(...) GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, __VA_ARGS__)
*/
unsigned int nignore;
+ /**
+ * Blacklisted peers
+ */
+ GNUNET_PEER_Id *blacklisted;
+
+ /**
+ * Number of elements in blacklisted
+ */
+ unsigned int nblacklisted;
+
+ /**
+ * Bloomfilter (for peer identities) to stop circular routes
+ */
+ char bloomfilter[MESH_BLOOM_SIZE];
+
/**
* Tunnel paths
*/
* GNUNET_NO if not.
*/
static int
-announce_application (void *cls, const GNUNET_HashCode * key, void *value)
+announce_application (void *cls, const struct GNUNET_HashCode * key, void *value)
{
+ struct PBlock block;
+ struct MeshClient *c;
+
+ block.id = my_full_id;
+ c = GNUNET_CONTAINER_multihashmap_get (applications, key);
+ block.type = (long) GNUNET_CONTAINER_multihashmap_get (c->apps, key);
+ if (0 == block.type)
+ {
+ GNUNET_break(0);
+ return GNUNET_YES;
+ }
+ block.type = htonl (block.type);
/* FIXME are hashes in multihash map equal on all aquitectures? */
/* FIXME: keep return value of 'put' to possibly cancel!? */
GNUNET_DHT_put (dht_handle, key, 10,
GNUNET_DHT_RO_RECORD_ROUTE |
- GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE, GNUNET_BLOCK_TYPE_TEST,
- sizeof (struct GNUNET_PeerIdentity),
- (const char *) &my_full_id,
+ GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE,
+ GNUNET_BLOCK_TYPE_MESH_PEER_BY_TYPE,
+ sizeof (block),
+ (const char *) &block,
GNUNET_TIME_absolute_add (GNUNET_TIME_absolute_get (),
APP_ANNOUNCE_TIME),
APP_ANNOUNCE_TIME, NULL, NULL);
static void
announce_id (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
+ struct PBlock block;
+
if (tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN)
{
announce_id_task = GNUNET_SCHEDULER_NO_TASK;
*/
DEBUG_DHT ("DHT_put for ID %s started.\n", GNUNET_i2s (&my_full_id));
+ block.id = my_full_id;
+ block.type = htonl (0);
GNUNET_DHT_put (dht_handle, /* DHT handle */
&my_full_id.hashPubKey, /* Key to use */
10, /* Replication level */
GNUNET_DHT_RO_RECORD_ROUTE | GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE, /* DHT options */
- GNUNET_BLOCK_TYPE_TEST, /* Block type */
- sizeof (my_full_id), /* Size of the data */
- (char *) &my_full_id, /* Data itself */
+ GNUNET_BLOCK_TYPE_MESH_PEER, /* Block type */
+ sizeof (block), /* Size of the data */
+ (const char *) &block, /* Data itself */
GNUNET_TIME_UNIT_FOREVER_ABS, /* Data expiration */
GNUNET_TIME_UNIT_FOREVER_REL, /* Retry time */
NULL, /* Continuation */
*/
static void
dht_get_id_handler (void *cls, struct GNUNET_TIME_Absolute exp,
- const GNUNET_HashCode * key,
+ const struct GNUNET_HashCode * key,
const struct GNUNET_PeerIdentity *get_path,
unsigned int get_path_length,
const struct GNUNET_PeerIdentity *put_path,
static int
client_is_subscribed (uint16_t message_type, struct MeshClient *c)
{
- GNUNET_HashCode hc;
+ struct GNUNET_HashCode hc;
GNUNET_CRYPTO_hash (&message_type, sizeof (uint16_t), &hc);
return GNUNET_CONTAINER_multihashmap_contains (c->types, &hc);
static void
client_ignore_tunnel (struct MeshClient *c, struct MeshTunnel *t)
{
- GNUNET_HashCode hash;
+ struct GNUNET_HashCode hash;
GNUNET_CRYPTO_hash(&t->local_tid_dest, sizeof (MESH_TunnelNumber), &hash);
GNUNET_break (GNUNET_YES ==
static void
client_delete_tunnel (struct MeshClient *c, struct MeshTunnel *t)
{
- GNUNET_HashCode hash;
+ struct GNUNET_HashCode hash;
if (c == t->owner)
{
{
/* This client doesn't know the tunnel */
struct GNUNET_MESH_TunnelNotification tmsg;
- GNUNET_HashCode hash;
+ struct GNUNET_HashCode hash;
tmsg.header.size = htons (sizeof (tmsg));
tmsg.header.type = htons (GNUNET_MESSAGE_TYPE_MESH_LOCAL_TUNNEL_CREATE);
* @return always GNUNET_YES, to keep iterating
*/
static int
-peer_info_delete_tunnel (void *cls, const GNUNET_HashCode * key, void *value)
+peer_info_delete_tunnel (void *cls, const struct GNUNET_HashCode * key, void *value)
{
struct MeshTunnel *t = cls;
struct MeshPeerInfo *peer = value;
}
else
{
- GNUNET_HashCode hash;
+ struct GNUNET_HashCode hash;
path_destroy (p);
send_client_peer_connected (t, myid);
" Starting DHT GET for peer %s\n", GNUNET_i2s (&id));
peer->dhtgetcls = path_info;
peer->dhtget = GNUNET_DHT_get_start (dht_handle, /* handle */
- GNUNET_BLOCK_TYPE_TEST, /* type */
- &id.hashPubKey, /* key to search */
+ GNUNET_BLOCK_TYPE_MESH_PEER, /* type */
+ &id.hashPubKey, /* key to search */
10, /* replication level */
- GNUNET_DHT_RO_RECORD_ROUTE | GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE, NULL, /* xquery */
- 0, /* xquery bits */
+ GNUNET_DHT_RO_RECORD_ROUTE |
+ GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE,
+ NULL, /* xquery */ // FIXME BLOOMFILTER
+ 0, /* xquery bits */ // FIXME BLOOMFILTER SIZE
&dht_get_id_handler, path_info);
}
/* Otherwise, there is no path but the DHT get is already started. */
static struct MeshTunnel *
tunnel_get_incoming (MESH_TunnelNumber tid)
{
- GNUNET_HashCode hash;
+ struct GNUNET_HashCode hash;
GNUNET_assert (tid >= GNUNET_MESH_LOCAL_TUNNEL_ID_SERV);
GNUNET_CRYPTO_hash (&tid, sizeof (MESH_TunnelNumber), &hash);
}
else
{
- GNUNET_HashCode hash;
+ struct GNUNET_HashCode hash;
GNUNET_CRYPTO_hash (&tid, sizeof (MESH_TunnelNumber), &hash);
return GNUNET_CONTAINER_multihashmap_get (c->own_tunnels, &hash);
tunnel_get_by_pi (GNUNET_PEER_Id pi, MESH_TunnelNumber tid)
{
struct MESH_TunnelID id;
- GNUNET_HashCode hash;
+ struct GNUNET_HashCode hash;
id.oid = pi;
id.tid = tid;
tunnel_destroy (struct MeshTunnel *t)
{
struct MeshClient *c;
- GNUNET_HashCode hash;
+ struct GNUNET_HashCode hash;
unsigned int i;
int r;
* Create a new tunnel
*
* @param owner Who is the owner of the tunnel (short ID).
- * @param id Tunnel Number of the tunnel.
+ * @param tid Tunnel Number of the tunnel.
+ * @param client Clients that owns the tunnel, NULL for foreign tunnels.
+ * @param local Tunnel Number for the tunnel, for the client point of view.
*
*/
static struct MeshTunnel *
* @return GNUNET_OK on success
*/
static int
-tunnel_destroy_iterator (void *cls, const GNUNET_HashCode * key, void *value)
+tunnel_destroy_iterator (void *cls, const struct GNUNET_HashCode * key, void *value)
{
struct MeshTunnel *t = value;
struct MeshClient *c = cls;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "********* type unknown\n");
data_size = 0;
}
+ queue->tunnel->queue_n--;
/* Free queue, but cls was freed by send_core_* */
queue_destroy(queue, GNUNET_NO);
GNUNET_break(0);
return; // Drop message
}
+ t->queue_n++;
queue = GNUNET_malloc (sizeof (struct MeshPeerQueue));
queue->cls = cls;
queue->type = type;
MESH_TunnelNumber tid;
struct GNUNET_MESH_ManipulatePath *msg;
struct GNUNET_PeerIdentity *pi;
- GNUNET_HashCode hash;
+ struct GNUNET_HashCode hash;
struct MeshPeerPath *path;
struct MeshPeerInfo *dest_peer_info;
struct MeshPeerInfo *orig_peer_info;
* @return GNUNET_OK on success
*/
static int
-deregister_app (void *cls, const GNUNET_HashCode * key, void *value)
+deregister_app (void *cls, const struct GNUNET_HashCode * key, void *value)
{
GNUNET_break (GNUNET_YES ==
GNUNET_CONTAINER_multihashmap_remove (applications, key,
*/
static void
dht_get_id_handler (void *cls, struct GNUNET_TIME_Absolute exp,
- const GNUNET_HashCode * key,
+ const struct GNUNET_HashCode * key,
const struct GNUNET_PeerIdentity *get_path,
unsigned int get_path_length,
const struct GNUNET_PeerIdentity *put_path,
*/
static void
dht_get_type_handler (void *cls, struct GNUNET_TIME_Absolute exp,
- const GNUNET_HashCode * key,
+ 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)
{
- const struct GNUNET_PeerIdentity *pi = data;
+ const struct PBlock *pb = data;
+ const struct GNUNET_PeerIdentity *pi = &pb->id;
struct MeshTunnel *t = cls;
struct MeshPeerInfo *peer_info;
struct MeshPeerPath *p;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "got type DHT result!\n");
- if (size != sizeof (struct GNUNET_PeerIdentity))
+ if (size != sizeof (struct PBlock))
+ {
+ GNUNET_break_op (0);
+ return;
+ }
+ if (ntohl(pb->type) != t->type)
{
GNUNET_break_op (0);
return;
if (napps > 0)
{
GNUNET_MESH_ApplicationType at;
- GNUNET_HashCode hc;
+ struct GNUNET_HashCode hc;
c->apps = GNUNET_CONTAINER_multihashmap_create (napps);
for (i = 0; i < napps; i++)
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " app type: %u\n", at);
GNUNET_CRYPTO_hash (&at, sizeof (at), &hc);
/* store in clients hashmap */
- GNUNET_CONTAINER_multihashmap_put (c->apps, &hc, c,
+ GNUNET_CONTAINER_multihashmap_put (c->apps, &hc, (void *) (long) at,
GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
/* store in global hashmap, for announcements */
GNUNET_CONTAINER_multihashmap_put (applications, &hc, c,
if (ntypes > 0)
{
uint16_t u16;
- GNUNET_HashCode hc;
+ struct GNUNET_HashCode hc;
t = (uint16_t *) & a[napps];
c->types = GNUNET_CONTAINER_multihashmap_create (ntypes);
return;
}
+/**
+ * Handler for blacklist requests of peers in a tunnel
+ *
+ * @param cls closure
+ * @param client identification of the client
+ * @param message the actual message (PeerControl)
+ */
+static void
+handle_local_blacklist (void *cls, struct GNUNET_SERVER_Client *client,
+ const struct GNUNET_MessageHeader *message)
+{
+ struct GNUNET_MESH_PeerControl *peer_msg;
+ struct MeshClient *c;
+ struct MeshTunnel *t;
+ MESH_TunnelNumber tid;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got a PEER BLACKLIST request\n");
+ /* Sanity check for client registration */
+ if (NULL == (c = client_get (client)))
+ {
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ peer_msg = (struct GNUNET_MESH_PeerControl *) message;
+
+ /* Sanity check for message size */
+ if (sizeof (struct GNUNET_MESH_PeerControl) != ntohs (peer_msg->header.size))
+ {
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+
+ /* Tunnel exists? */
+ tid = ntohl (peer_msg->tunnel_id);
+ t = tunnel_get_by_local_id (c, tid);
+ if (NULL == t)
+ {
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " on tunnel %X\n", t->id.tid);
+
+ GNUNET_array_append(t->blacklisted, t->nblacklisted,
+ GNUNET_PEER_intern(&peer_msg->peer));
+}
+
+
+/**
+ * Handler for unblacklist requests of peers in a tunnel
+ *
+ * @param cls closure
+ * @param client identification of the client
+ * @param message the actual message (PeerControl)
+ */
+static void
+handle_local_unblacklist (void *cls, struct GNUNET_SERVER_Client *client,
+ const struct GNUNET_MessageHeader *message)
+{
+ struct GNUNET_MESH_PeerControl *peer_msg;
+ struct MeshClient *c;
+ struct MeshTunnel *t;
+ MESH_TunnelNumber tid;
+ GNUNET_PEER_Id pid;
+ unsigned int i;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got a PEER UNBLACKLIST request\n");
+ /* Sanity check for client registration */
+ if (NULL == (c = client_get (client)))
+ {
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ peer_msg = (struct GNUNET_MESH_PeerControl *) message;
+
+ /* Sanity check for message size */
+ if (sizeof (struct GNUNET_MESH_PeerControl) != ntohs (peer_msg->header.size))
+ {
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+
+ /* Tunnel exists? */
+ tid = ntohl (peer_msg->tunnel_id);
+ t = tunnel_get_by_local_id (c, tid);
+ if (NULL == t)
+ {
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " on tunnel %X\n", t->id.tid);
+
+ /* if peer is not known, complain */
+ pid = GNUNET_PEER_search (&peer_msg->peer);
+ if (0 == pid)
+ {
+ GNUNET_break (0);
+ return;
+ }
+
+ /* search and remove from list */
+ for (i = 0; i < t->nblacklisted; i++)
+ {
+ if (t->blacklisted[i] == pid)
+ {
+ t->blacklisted[i] = t->blacklisted[t->nblacklisted - 1];
+ GNUNET_array_grow (t->blacklisted, t->nblacklisted, t->nblacklisted - 1);
+ return;
+ }
+ }
+
+ /* if peer hasn't been blacklisted, complain */
+ GNUNET_break (0);
+}
+
/**
* Handler for connection requests to new peers by type
struct GNUNET_MESH_ConnectPeerByType *connect_msg;
struct MeshClient *c;
struct MeshTunnel *t;
- GNUNET_HashCode hash;
+ struct GNUNET_HashCode hash;
MESH_TunnelNumber tid;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "got connect by type request\n");
GNUNET_h2s (&hash));
t->dht_get_type =
GNUNET_DHT_get_start (dht_handle,
- GNUNET_BLOCK_TYPE_TEST, &hash, 10,
+ GNUNET_BLOCK_TYPE_MESH_PEER_BY_TYPE,
+ &hash,
+ 10,
GNUNET_DHT_RO_RECORD_ROUTE |
- GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE, NULL, 0,
+ GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE,
+ NULL, 0,
&dht_get_type_handler, t);
GNUNET_SERVER_receive_done (client, GNUNET_OK);
{&handle_local_connect_del, NULL,
GNUNET_MESSAGE_TYPE_MESH_LOCAL_PEER_DEL,
sizeof (struct GNUNET_MESH_PeerControl)},
+ {&handle_local_blacklist, NULL,
+ GNUNET_MESSAGE_TYPE_MESH_LOCAL_PEER_BLACKLIST,
+ sizeof (struct GNUNET_MESH_PeerControl)},
+ {&handle_local_unblacklist, NULL,
+ GNUNET_MESSAGE_TYPE_MESH_LOCAL_PEER_UNBLACKLIST,
+ sizeof (struct GNUNET_MESH_PeerControl)},
{&handle_local_connect_by_type, NULL,
GNUNET_MESSAGE_TYPE_MESH_LOCAL_PEER_ADD_BY_TYPE,
sizeof (struct GNUNET_MESH_ConnectPeerByType)},
* GNUNET_NO if not.
*/
static int
-shutdown_tunnel (void *cls, const GNUNET_HashCode * key, void *value)
+shutdown_tunnel (void *cls, const struct GNUNET_HashCode * key, void *value)
{
struct MeshTunnel *t = value;
* GNUNET_NO if not.
*/
static int
-shutdown_peer (void *cls, const GNUNET_HashCode * key, void *value)
+shutdown_peer (void *cls, const struct GNUNET_HashCode * key, void *value)
{
struct MeshPeerInfo *p = value;
struct MeshPeerQueue *q;
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