/**
* Clean up node
*
* @param cls the peermap to clean up
* @param key key of the current node
* @param value related node object
* @return always #GNUNET_OK
*/
static int
cleanup_node (void *cls,
const struct GNUNET_PeerIdentity * key,
void *value)
{
struct Node *n;
struct NodeComCtx *e_cur;
struct NodeComCtx *e_next;
struct GNUNET_CONTAINER_MultiPeerMap *cur = cls;
n = value;
if (GNUNET_SCHEDULER_NO_TASK != n->timeout_task)
{
GNUNET_SCHEDULER_cancel (n->timeout_task);
n->timeout_task = GNUNET_SCHEDULER_NO_TASK;
}
if (NULL != n->cth)
{
GNUNET_CORE_notify_transmit_ready_cancel (n->cth);
n->cth = NULL;
}
e_next = n->e_req_head;
while (NULL != (e_cur = e_next))
{
e_next = e_cur->next;
GNUNET_CONTAINER_DLL_remove (n->e_req_head, n->e_req_tail, e_cur);
GNUNET_free (e_cur);
}
GNUNET_break (0 == GNUNET_CONTAINER_multipeermap_remove (cur, key, value));
GNUNET_free (value);
return GNUNET_OK;
}
/**
* Free all resources associated with the given peer.
*
* @param cls closure (not used)
* @param pid identity of the peer
* @param value peer to free
* @return #GNUNET_YES (always: continue to iterate)
*/
static int
free_peer (void *cls,
const struct GNUNET_PeerIdentity * pid,
void *value)
{
struct Peer *pos = value;
GNUNET_break (NULL == pos->mq);
GNUNET_break (GNUNET_OK ==
GNUNET_CONTAINER_multipeermap_remove (peers,
pid,
pos));
if (NULL != pos->hello_delay_task)
{
GNUNET_SCHEDULER_cancel (pos->hello_delay_task);
pos->hello_delay_task = NULL;
}
if (NULL != pos->sh)
{
GNUNET_ATS_connectivity_suggest_cancel (pos->sh);
pos->sh = NULL;
}
if (NULL != pos->hello)
{
GNUNET_free_non_null (pos->hello);
pos->hello = NULL;
}
if (NULL != pos->filter)
{
GNUNET_CONTAINER_bloomfilter_free (pos->filter);
pos->filter = NULL;
}
GNUNET_free (pos);
return GNUNET_YES;
}
/**
* Release memory used by the given address data.
*
* @param ai the `struct AddressInfo`
*/
static void
destroy_ai (struct AddressInfo *ai)
{
GNUNET_assert (NULL == ai->session);
if (NULL != ai->unblock_task)
{
GNUNET_SCHEDULER_cancel (ai->unblock_task);
ai->unblock_task = NULL;
num_blocked--;
}
GNUNET_assert (GNUNET_YES ==
GNUNET_CONTAINER_multipeermap_remove (p2a,
&ai->address->peer,
ai));
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Telling ATS to destroy address from peer %s\n",
GNUNET_i2s (&ai->address->peer));
if (NULL != ai->ar)
{
GNUNET_ATS_address_destroy (ai->ar);
ai->ar = NULL;
}
publish_p2a_stat_update ();
GNUNET_HELLO_address_free (ai->address);
GNUNET_free (ai);
}
/**
* Method called whenever a peer disconnects. Deletes the PeerEntry and cancels
* any pending transmission requests to that peer.
*
* @param cls closure
* @param peer peer identity this notification is about
* @parma internal_cls the `struct NSEPeerEntry` for the @a peer
*/
static void
handle_core_disconnect (void *cls,
const struct GNUNET_PeerIdentity *peer,
void *internal_cls)
{
struct NSEPeerEntry *pos = internal_cls;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Peer `%s' disconnected from us\n",
GNUNET_i2s (peer));
GNUNET_assert (GNUNET_YES ==
GNUNET_CONTAINER_multipeermap_remove (peers,
peer,
pos));
if (NULL != pos->transmit_task)
{
GNUNET_SCHEDULER_cancel (pos->transmit_task);
pos->transmit_task = NULL;
}
GNUNET_free (pos);
GNUNET_STATISTICS_update (stats,
"# peers connected",
-1,
GNUNET_NO);
}
/**
* @ingroup hashmap
* Iterator over hash map entries.
*
* @param cls closure
* @param key current key code
* @param value value in the hash map
* @return #GNUNET_YES if we should continue to
* iterate,
* #GNUNET_NO if not.
*/
static int
iterator (void *cls, const struct GNUNET_PeerIdentity *key, void *value)
{
GNUNET_assert (GNUNET_YES == GNUNET_CONTAINER_multipeermap_remove (map, key,
value));
return GNUNET_YES;
}
/**
* Free `struct PreferencePeer` entry in map.
*
* @param cls the `struct PreferenceClient` with the map
* @param key the peer the entry is for
* @param value the `struct PreferencePeer` entry to free
* @return #GNUNET_OK (continue to iterate)
*/
static int
free_preference (void *cls,
const struct GNUNET_PeerIdentity *key,
void *value)
{
struct PreferenceClient *pc = cls;
struct PreferencePeer *p = value;
struct PeerRelative *pr;
GNUNET_assert (GNUNET_OK ==
GNUNET_CONTAINER_multipeermap_remove (pc->peer2pref,
key,
p));
GNUNET_free (p);
pr = GNUNET_CONTAINER_multipeermap_get (preference_peers,
key);
GNUNET_assert (NULL != pr);
GNUNET_assert (pr->num_clients > 0);
pr->num_clients--;
if (0 == pr->num_clients)
{
free_peer (NULL,
key,
pr);
}
return GNUNET_OK;
}
int destroy_it (void *cls,
const struct GNUNET_PeerIdentity *key,
void *value)
{
struct MonitoredPeer *m = value;
GNUNET_CONTAINER_multipeermap_remove (monitored_peers, key, value);
GNUNET_free_non_null (m->address);
GNUNET_free (value);
return GNUNET_OK;
}
/**
* @ingroup hashmap
* Iterator over hash map entries.
*
* @param cls closure
* @param key current public key
* @param value value in the hash map
* @return #GNUNET_YES if we should continue to
* iterate,
* #GNUNET_NO if not.
*/
static int
free_iterator (void *cls,
const struct GNUNET_PeerIdentity *key,
void *value)
{
struct Entry *e = cls;
GNUNET_assert (GNUNET_YES ==
GNUNET_CONTAINER_multipeermap_remove (map, key, e));
GNUNET_free (e);
return GNUNET_YES;
}
/**
* Handler called by CORE when CORE is ready to transmit message
*
* @param cls closure with the `const struct GNUNET_PeerIdentity *` of
* the peer we are sending to
* @param size size of buffer to copy message to
* @param buf buffer to copy message to
* @return number of bytes copied to @a buf
*/
static size_t
adv_transmit_ready (void *cls,
size_t size,
void *buf)
{
const struct GNUNET_PeerIdentity *peer = cls;
static uint64_t hostlist_adv_count;
size_t transmission_size;
size_t uri_size; /* Including \0 termination! */
struct GNUNET_MessageHeader header;
char *cbuf;
struct GNUNET_CORE_TransmitHandle *th;
th = GNUNET_CONTAINER_multipeermap_get (advertisements,
peer);
GNUNET_assert (NULL != th);
GNUNET_assert (GNUNET_YES ==
GNUNET_CONTAINER_multipeermap_remove (advertisements,
peer,
th));
if (NULL == buf)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Transmission failed, buffer invalid!\n");
return 0;
}
uri_size = strlen (hostlist_uri) + 1;
transmission_size = sizeof (struct GNUNET_MessageHeader) + uri_size;
header.type = htons (GNUNET_MESSAGE_TYPE_HOSTLIST_ADVERTISEMENT);
header.size = htons (transmission_size);
GNUNET_assert (size >= transmission_size);
memcpy (buf,
&header,
sizeof (struct GNUNET_MessageHeader));
cbuf = buf;
memcpy (&cbuf[sizeof (struct GNUNET_MessageHeader)],
hostlist_uri,
uri_size);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Sent advertisement message: Copied %u bytes into buffer!\n",
(unsigned int) transmission_size);
hostlist_adv_count++;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
" # Sent advertisement message: %u\n",
hostlist_adv_count);
GNUNET_STATISTICS_update (stats,
gettext_noop ("# hostlist advertisements send"), 1,
GNUNET_NO);
return transmission_size;
}
/**
* Free a peer's `struct PeerRelative`.
*
* @param cls unused
* @param key the key
* @param value the `struct PeerRelative` to free.
* @return #GNUNET_OK to continue
*/
static int
free_peer (void *cls,
const struct GNUNET_PeerIdentity *key,
void *value)
{
struct PeerRelative *rp = value;
GNUNET_assert (GNUNET_YES ==
GNUNET_CONTAINER_multipeermap_remove (preference_peers,
key,
value));
GNUNET_free (rp);
return GNUNET_OK;
}
/**
* End the session with the given peer (we are no longer
* connected).
*
* @param pid identity of peer to kill session with
*/
void
GSC_SESSIONS_end (const struct GNUNET_PeerIdentity *pid)
{
struct Session *session;
struct GSC_ClientActiveRequest *car;
struct SessionMessageEntry *sme;
session = find_session (pid);
if (NULL == session)
return;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Destroying session for peer `%4s'\n",
GNUNET_i2s (&session->peer));
if (NULL != session->cork_task)
{
GNUNET_SCHEDULER_cancel (session->cork_task);
session->cork_task = NULL;
}
while (NULL != (car = session->active_client_request_head))
{
GNUNET_CONTAINER_DLL_remove (session->active_client_request_head,
session->active_client_request_tail, car);
GSC_CLIENTS_reject_request (car,
GNUNET_NO);
}
while (NULL != (sme = session->sme_head))
{
GNUNET_CONTAINER_DLL_remove (session->sme_head,
session->sme_tail,
sme);
GNUNET_free (sme);
}
if (NULL != session->typemap_task)
{
GNUNET_SCHEDULER_cancel (session->typemap_task);
session->typemap_task = NULL;
}
GSC_CLIENTS_notify_clients_about_neighbour (&session->peer,
session->tmap, NULL);
GNUNET_assert (GNUNET_YES ==
GNUNET_CONTAINER_multipeermap_remove (sessions,
&session->peer,
session));
GNUNET_STATISTICS_set (GSC_stats, gettext_noop ("# peers connected"),
GNUNET_CONTAINER_multipeermap_size (sessions),
GNUNET_NO);
GSC_TYPEMAP_destroy (session->tmap);
session->tmap = NULL;
GNUNET_free (session);
}
/**
* Free `struct AddressInformationData` entry.
*
* @param cls NULL
* @param key ignored
* @param value the `struct AddressSuggestData` to release
* @return #GNUNET_OK (continue to iterate)
*/
static int
free_aid (void *cls,
const struct GNUNET_PeerIdentity *key,
void *value)
{
struct AddressInformationData *aid = value;
GNUNET_assert (GNUNET_YES ==
GNUNET_CONTAINER_multipeermap_remove (p2aid,
key,
aid));
GNUNET_free (aid->address);
GNUNET_free (aid);
return GNUNET_OK;
}
/**
* Free `struct AddressSuggestData` entry.
*
* @param cls NULL
* @param key ignored
* @param value the `struct AddressSuggestData` to release
* @return #GNUNET_OK (continue to iterate)
*/
static int
free_asd (void *cls,
const struct GNUNET_PeerIdentity *key,
void *value)
{
struct AddressSuggestData *asd = value;
GNUNET_assert (GNUNET_YES ==
GNUNET_CONTAINER_multipeermap_remove (p2asd,
key,
asd));
GNUNET_free_non_null (asd->address);
GNUNET_free (asd);
return GNUNET_OK;
}
/**
* Free the given entry for the neighbour.
*
* @param n neighbour to free
*/
static void
free_neighbour (struct Neighbour *n)
{
struct NeighbourMessageEntry *m;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Destroying neighbour entry for peer `%s'\n",
GNUNET_i2s (&n->peer));
while (NULL != (m = n->message_head))
{
GNUNET_CONTAINER_DLL_remove (n->message_head,
n->message_tail,
m);
n->queue_size--;
GNUNET_free (m);
}
GNUNET_assert (0 == n->queue_size);
if (NULL != n->th)
{
GNUNET_TRANSPORT_notify_transmit_ready_cancel (n->th);
n->th = NULL;
}
GNUNET_STATISTICS_update (GSC_stats,
gettext_noop
("# sessions terminated by transport disconnect"),
1, GNUNET_NO);
if (NULL != n->kxinfo)
{
GSC_KX_stop (n->kxinfo);
n->kxinfo = NULL;
}
if (NULL != n->retry_plaintext_task)
{
GNUNET_SCHEDULER_cancel (n->retry_plaintext_task);
n->retry_plaintext_task = NULL;
}
GNUNET_assert (GNUNET_OK ==
GNUNET_CONTAINER_multipeermap_remove (neighbours,
&n->peer, n));
GNUNET_STATISTICS_set (GSC_stats,
gettext_noop ("# neighbour entries allocated"),
GNUNET_CONTAINER_multipeermap_size (neighbours),
GNUNET_NO);
GNUNET_free (n);
}
/**
* Remove experimentation request due to timeout
*
* @param cls the related node
* @param tc scheduler's task context
*/
static void
remove_request (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct Node *n = cls;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Removing request for peer %s due to timeout\n",
GNUNET_i2s (&n->id));
if (GNUNET_YES == GNUNET_CONTAINER_multipeermap_contains (nodes_requested, &n->id))
{
GNUNET_break (0 == GNUNET_CONTAINER_multipeermap_remove (nodes_requested, &n->id, n));
update_stats (nodes_requested);
GNUNET_CONTAINER_multipeermap_put (nodes_inactive, &n->id, n,
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST);
update_stats (nodes_inactive);
}
n->timeout_task = GNUNET_SCHEDULER_NO_TASK;
}
/**
* Method called whenever a given peer disconnects.
*
* @param cls closure
* @param peer peer identity this notification is about
*/
static void
disconnect_handler (void *cls,
const struct GNUNET_PeerIdentity *peer)
{
struct GNUNET_CORE_TransmitHandle *th;
if (! advertising)
return;
th = GNUNET_CONTAINER_multipeermap_get (advertisements,
peer);
if (NULL == th)
return;
GNUNET_assert (GNUNET_YES ==
GNUNET_CONTAINER_multipeermap_remove (advertisements,
peer,
th));
GNUNET_CORE_notify_transmit_ready_cancel (th);
}
/**
* Notify clients about disconnect and free
* the entry for connected peer.
*
* @param cls the `struct GNUNET_CORE_Handle *`
* @param key the peer identity (not used)
* @param value the `struct PeerRecord` to free.
* @return #GNUNET_YES (continue)
*/
static int
disconnect_and_free_peer_entry (void *cls,
const struct GNUNET_PeerIdentity *key,
void *value)
{
struct GNUNET_CORE_Handle *h = cls;
struct GNUNET_CORE_TransmitHandle *th;
struct PeerRecord *pr = value;
if (GNUNET_SCHEDULER_NO_TASK != pr->timeout_task)
{
GNUNET_SCHEDULER_cancel (pr->timeout_task);
pr->timeout_task = GNUNET_SCHEDULER_NO_TASK;
}
if (GNUNET_SCHEDULER_NO_TASK != pr->ntr_task)
{
GNUNET_SCHEDULER_cancel (pr->ntr_task);
pr->ntr_task = GNUNET_SCHEDULER_NO_TASK;
}
if ((NULL != pr->prev) || (NULL != pr->next) || (h->ready_peer_head == pr))
GNUNET_CONTAINER_DLL_remove (h->ready_peer_head, h->ready_peer_tail, pr);
if (NULL != h->disconnects)
h->disconnects (h->cls, &pr->peer);
/* all requests should have been cancelled, clean up anyway, just in case */
th = &pr->th;
if (NULL != th->peer)
{
GNUNET_break (0);
th->peer = NULL;
if (NULL != th->cm)
th->cm->th = NULL;
}
/* done with 'voluntary' cleanups, now on to normal freeing */
GNUNET_assert (GNUNET_YES ==
GNUNET_CONTAINER_multipeermap_remove (h->peers, key, pr));
GNUNET_assert (pr->ch == h);
GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == pr->timeout_task);
GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == pr->ntr_task);
GNUNET_free (pr);
return GNUNET_YES;
}
/**
* Free the connection request from the map if the
* closure matches the client.
*
* @param cls the client to match
* @param pid peer for which the request was made
* @param value the `struct ConnectionRequest`
* @return #GNUNET_OK (continue to iterate)
*/
static int
free_matching_requests (void *cls,
const struct GNUNET_PeerIdentity *pid,
void *value)
{
struct GNUNET_SERVER_Client *client = cls;
struct ConnectionRequest *cr = value;
if (cr->client == client)
{
GAS_plugin_request_connect_stop (pid);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Removed request pending for peer `%s\n",
GNUNET_i2s (pid));
GNUNET_assert (GNUNET_YES ==
GNUNET_CONTAINER_multipeermap_remove (connection_requests,
pid,
cr));
GNUNET_free (cr);
}
return GNUNET_OK;
}
/**
* We got disconnected from the service and thus all of the
* pending send callbacks will never be confirmed. Clean up.
*
* @param cls the 'struct GNUNET_DV_ServiceHandle'
* @param key a peer identity
* @param value a `struct ConnectedPeer` to clean up
* @return #GNUNET_OK (continue to iterate)
*/
static int
cleanup_send_cb (void *cls,
const struct GNUNET_PeerIdentity *key,
void *value)
{
struct GNUNET_DV_ServiceHandle *sh = cls;
struct ConnectedPeer *peer = value;
struct GNUNET_DV_TransmitHandle *th;
GNUNET_assert (GNUNET_YES ==
GNUNET_CONTAINER_multipeermap_remove (sh->peers,
key,
peer));
sh->disconnect_cb (sh->cls,
key);
while (NULL != (th = peer->head))
{
GNUNET_CONTAINER_DLL_remove (peer->head, peer->tail, th);
th->cb (th->cb_cls, GNUNET_SYSERR);
GNUNET_free (th);
}
GNUNET_free (peer);
return GNUNET_OK;
}
static int
testMap (int i)
{
struct GNUNET_CONTAINER_MultiPeerMap *m;
struct GNUNET_PeerIdentity k1;
struct GNUNET_PeerIdentity k2;
struct GNUNET_CONTAINER_MultiPeerMapIterator *iter;
struct GNUNET_PeerIdentity key_ret;
const char *ret;
int j;
CHECK (NULL != (m = GNUNET_CONTAINER_multipeermap_create (i, GNUNET_NO)));
memset (&k1, 0, sizeof (k1));
memset (&k2, 1, sizeof (k2));
CHECK (GNUNET_NO == GNUNET_CONTAINER_multipeermap_contains (m, &k1));
CHECK (GNUNET_NO == GNUNET_CONTAINER_multipeermap_contains (m, &k2));
CHECK (GNUNET_NO == GNUNET_CONTAINER_multipeermap_remove (m, &k1, NULL));
CHECK (GNUNET_NO == GNUNET_CONTAINER_multipeermap_remove (m, &k2, NULL));
CHECK (NULL == GNUNET_CONTAINER_multipeermap_get (m, &k1));
CHECK (NULL == GNUNET_CONTAINER_multipeermap_get (m, &k2));
CHECK (0 == GNUNET_CONTAINER_multipeermap_remove_all (m, &k1));
CHECK (0 == GNUNET_CONTAINER_multipeermap_size (m));
CHECK (0 == GNUNET_CONTAINER_multipeermap_iterate (m, NULL, NULL));
CHECK (0 == GNUNET_CONTAINER_multipeermap_get_multiple (m, &k1, NULL, NULL));
CHECK (GNUNET_OK ==
GNUNET_CONTAINER_multipeermap_put (m, &k1, "v1",
GNUNET_CONTAINER_MULTIHASHMAPOPTION_REPLACE));
CHECK (1 == GNUNET_CONTAINER_multipeermap_size (m));
ret = GNUNET_CONTAINER_multipeermap_get (m, &k1);
GNUNET_assert (ret != NULL);
CHECK (0 == strcmp ("v1", ret));
CHECK (GNUNET_NO ==
GNUNET_CONTAINER_multipeermap_put (m, &k1, "v1",
GNUNET_CONTAINER_MULTIHASHMAPOPTION_REPLACE));
CHECK (1 == GNUNET_CONTAINER_multipeermap_size (m));
CHECK (GNUNET_OK ==
GNUNET_CONTAINER_multipeermap_put (m, &k1, "v2",
GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE));
CHECK (GNUNET_OK ==
GNUNET_CONTAINER_multipeermap_put (m, &k1, "v3",
GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE));
CHECK (3 == GNUNET_CONTAINER_multipeermap_size (m));
CHECK (GNUNET_OK == GNUNET_CONTAINER_multipeermap_remove (m, &k1, "v3"));
CHECK (2 == GNUNET_CONTAINER_multipeermap_size (m));
CHECK (GNUNET_YES == GNUNET_CONTAINER_multipeermap_contains (m, &k1));
CHECK (GNUNET_NO == GNUNET_CONTAINER_multipeermap_contains (m, &k2));
CHECK (2 == GNUNET_CONTAINER_multipeermap_get_multiple (m, &k1, NULL, NULL));
CHECK (0 == GNUNET_CONTAINER_multipeermap_get_multiple (m, &k2, NULL, NULL));
CHECK (2 == GNUNET_CONTAINER_multipeermap_iterate (m, NULL, NULL));
iter = GNUNET_CONTAINER_multipeermap_iterator_create (m);
CHECK (GNUNET_YES == GNUNET_CONTAINER_multipeermap_iterator_next (iter, &key_ret, (const void **)&ret));
CHECK (0 == memcmp (&key_ret, &k1, sizeof (key_ret)));
CHECK (GNUNET_YES == GNUNET_CONTAINER_multipeermap_iterator_next (iter, &key_ret, (const void **)&ret));
CHECK (0 == memcmp (&key_ret, &k1, sizeof (key_ret)));
CHECK (GNUNET_NO == GNUNET_CONTAINER_multipeermap_iterator_next (iter, NULL, NULL));
GNUNET_free (iter);
CHECK (2 == GNUNET_CONTAINER_multipeermap_remove_all (m, &k1));
for (j = 0; j < 1024; j++)
CHECK (GNUNET_OK ==
GNUNET_CONTAINER_multipeermap_put (m, &k1, "v2",
GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE));
iter = GNUNET_CONTAINER_multipeermap_iterator_create (m);
for (j = 0; j < GNUNET_CONTAINER_multipeermap_size (m); j++)
CHECK (GNUNET_YES == GNUNET_CONTAINER_multipeermap_iterator_next (iter, NULL, NULL));
CHECK (GNUNET_NO == GNUNET_CONTAINER_multipeermap_iterator_next (iter, NULL, NULL));
GNUNET_free (iter);
GNUNET_CONTAINER_multipeermap_destroy (m);
return 0;
}
/**
* Handle a request and send a response
*
* @param peer the source
* @param message the message
*/
static void
handle_request (const struct GNUNET_PeerIdentity *peer,
const struct GNUNET_MessageHeader *message)
{
struct Node *n;
struct NodeComCtx *e_ctx;
const struct Experimentation_Request *rm = (const struct Experimentation_Request *) message;
const struct GNUNET_CRYPTO_EddsaPublicKey *rmi = (const struct GNUNET_CRYPTO_EddsaPublicKey *) &rm[1];
unsigned int my_issuer_count = GNUNET_CONTAINER_multihashmap_size (valid_issuers);
int c1;
int c2;
uint32_t ic;
uint32_t ic_accepted;
int make_active;
if (ntohs (message->size) < sizeof (struct Experimentation_Request))
{
GNUNET_break (0);
return;
}
ic = ntohl (rm->issuer_count);
if (ntohs (message->size) !=
sizeof (struct Experimentation_Request) + ic * sizeof (struct GNUNET_CRYPTO_EddsaPublicKey))
{
GNUNET_break (0);
return;
}
make_active = GNUNET_NO;
if (NULL != (n = GNUNET_CONTAINER_multipeermap_get (nodes_active, peer)))
{
/* Nothing to do */
}
else if (NULL != (n = GNUNET_CONTAINER_multipeermap_get (nodes_requested, peer)))
{
GNUNET_assert (GNUNET_OK == GNUNET_CONTAINER_multipeermap_remove (nodes_requested, peer, n));
if (GNUNET_SCHEDULER_NO_TASK != n->timeout_task)
{
GNUNET_SCHEDULER_cancel (n->timeout_task);
n->timeout_task = GNUNET_SCHEDULER_NO_TASK;
}
update_stats (nodes_requested);
make_active = GNUNET_YES;
}
else if (NULL != (n = GNUNET_CONTAINER_multipeermap_get (nodes_inactive, peer)))
{
GNUNET_break (0 == GNUNET_CONTAINER_multipeermap_remove (nodes_inactive, peer, n));
update_stats (nodes_inactive);
make_active = GNUNET_YES;
}
else
{
/* Create new node */
n = GNUNET_new (struct Node);
n->id = *peer;
n->capabilities = NONE;
make_active = GNUNET_YES;
}
/* Update node */
n->capabilities = ntohl (rm->capabilities);
/* Filter accepted issuer */
ic_accepted = 0;
for (c1 = 0; c1 < ic; c1++)
{
if (GNUNET_YES == GED_experiments_issuer_accepted(&rmi[c1]))
ic_accepted ++;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Request from peer `%s' with %u issuers, we accepted %u issuer \n",
GNUNET_i2s (peer), ic, ic_accepted);
GNUNET_free_non_null (n->issuer_id);
n->issuer_id = GNUNET_malloc (ic_accepted * sizeof (struct GNUNET_CRYPTO_EddsaPublicKey));
c2 = 0;
for (c1 = 0; c1 < ic; c1++)
{
if (GNUNET_YES == GED_experiments_issuer_accepted (&rmi[c1]))
{
n->issuer_id[c2] = rmi[c1];
c2 ++;
}
}
n->issuer_count = ic_accepted;
if (GNUNET_YES == make_active)
node_make_active (n);
/* Send response */
e_ctx = GNUNET_new (struct NodeComCtx);
e_ctx->n = n;
e_ctx->e = NULL;
e_ctx->size = sizeof (struct Experimentation_Response) +
my_issuer_count * sizeof (struct GNUNET_CRYPTO_EddsaPublicKey);
e_ctx->notify = &send_response_cb;
e_ctx->notify_cls = n;
GNUNET_CONTAINER_DLL_insert_tail(n->e_req_head, n->e_req_tail, e_ctx);
schedule_transmisson (e_ctx);
}
/**
* Handle a response
*
* @param peer the source
* @param message the message
*/
static void handle_response (const struct GNUNET_PeerIdentity *peer,
const struct GNUNET_MessageHeader *message)
{
struct Node *n;
const struct Experimentation_Response *rm = (const struct Experimentation_Response *) message;
const struct GNUNET_CRYPTO_EddsaPublicKey *rmi = (const struct GNUNET_CRYPTO_EddsaPublicKey *) &rm[1];
uint32_t ic;
uint32_t ic_accepted;
int make_active;
unsigned int c1;
unsigned int c2;
if (ntohs (message->size) < sizeof (struct Experimentation_Response))
{
GNUNET_break (0);
return;
}
ic = ntohl (rm->issuer_count);
if (ntohs (message->size) != sizeof (struct Experimentation_Response) + ic * sizeof (struct GNUNET_CRYPTO_EddsaPublicKey))
{
GNUNET_break (0);
return;
}
make_active = GNUNET_NO;
if (NULL != (n = GNUNET_CONTAINER_multipeermap_get (nodes_active, peer)))
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Received %s from %s peer `%s'\n",
"RESPONSE", "active", GNUNET_i2s (peer));
}
else if (NULL != (n = GNUNET_CONTAINER_multipeermap_get (nodes_requested, peer)))
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received %s from %s peer `%s'\n",
"RESPONSE", "requested", GNUNET_i2s (peer));
GNUNET_assert (GNUNET_OK == GNUNET_CONTAINER_multipeermap_remove (nodes_requested, peer, n));
if (GNUNET_SCHEDULER_NO_TASK != n->timeout_task)
{
GNUNET_SCHEDULER_cancel (n->timeout_task);
n->timeout_task = GNUNET_SCHEDULER_NO_TASK;
}
update_stats (nodes_requested);
make_active = GNUNET_YES;
}
else if (NULL != (n = GNUNET_CONTAINER_multipeermap_get (nodes_inactive, peer)))
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Received %s from peer `%s'\n",
"RESPONSE", "inactive", GNUNET_i2s (peer));
GNUNET_break (0 == GNUNET_CONTAINER_multipeermap_remove (nodes_inactive, peer, n));
update_stats (nodes_inactive);
make_active = GNUNET_YES;
}
else
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received %s from %s peer `%s'\n",
"RESPONSE", "unknown", GNUNET_i2s (peer));
return;
}
/* Update */
n->capabilities = ntohl (rm->capabilities);
/* Filter accepted issuer */
ic_accepted = 0;
for (c1 = 0; c1 < ic; c1++)
{
if (GNUNET_YES == GED_experiments_issuer_accepted(&rmi[c1]))
ic_accepted ++;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Response from peer `%s' with %u issuers, we accepted %u issuer \n",
GNUNET_i2s (peer), ic, ic_accepted);
GNUNET_free_non_null (n->issuer_id);
n->issuer_id = GNUNET_malloc (ic_accepted * sizeof (struct GNUNET_PeerIdentity));
c2 = 0;
for (c1 = 0; c1 < ic; c1++)
{
if (GNUNET_YES == GED_experiments_issuer_accepted(&rmi[c1]))
{
n->issuer_id[c2] = rmi[c1];
c2 ++;
}
}
n->issuer_count = ic_accepted;
if (GNUNET_YES == make_active)
node_make_active (n);
}