/**
* Handler for client's INFO_DUMP request.
*
* @param cls Identification of the client.
* @param message The actual message.
*/
static void
handle_info_dump (void *cls,
const struct GNUNET_MessageHeader *message)
{
struct CadetClient *c = cls;
LOG (GNUNET_ERROR_TYPE_INFO,
"Received dump info request from client %u\n",
c->id);
LOG (GNUNET_ERROR_TYPE_ERROR,
"*************************** DUMP START ***************************\n");
for (struct CadetClient *ci = clients_head; NULL != ci; ci = ci->next)
{
LOG (GNUNET_ERROR_TYPE_ERROR,
"Client %u (%p), handle: %p, ports: %u, own channels: %u, incoming channels: %u\n",
ci->id,
ci,
ci->client,
(NULL != c->ports)
? GNUNET_CONTAINER_multihashmap_size (ci->ports)
: 0,
GNUNET_CONTAINER_multihashmap32_size (ci->own_channels),
GNUNET_CONTAINER_multihashmap32_size (ci->incoming_channels));
}
LOG (GNUNET_ERROR_TYPE_ERROR, "***************************\n");
GCP_iterate_all (&show_peer_iterator,
NULL);
LOG (GNUNET_ERROR_TYPE_ERROR,
"**************************** DUMP END ****************************\n");
GNUNET_SERVICE_client_continue (c->client);
}
/**
* Task run upon interrupts (SIGINT, SIGTERM) and upon scheduler shutdown.
*
* @param cls the RunContext which has to be acted upon
* @param tc the scheduler task context
*/
static void
interrupt (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct GNUNET_TESTBED_RunHandle *rc = cls;
struct GNUNET_TESTBED_Controller *c = rc->c;
unsigned int size;
/* reschedule */
rc->interrupt_task = GNUNET_SCHEDULER_add_delayed
(GNUNET_TIME_UNIT_FOREVER_REL, &interrupt, rc);
rc_cleanup_operations (rc);
if ( (GNUNET_NO == rc->shutdown) &&
(NULL != c) &&
(NULL != c->opc_map) &&
(0 != (size = GNUNET_CONTAINER_multihashmap32_size (c->opc_map))))
{
LOG (GNUNET_ERROR_TYPE_WARNING,
"Shutdown postponed as there are %u operations currently active\n",
size);
c->opcq_empty_cb = &wait_op_completion;
c->opcq_empty_cls = rc;
return;
}
wait_op_completion (rc);
}
/**
* Assuming all peers have been destroyed cleanup run handle
*
* @param rc the run context
*/
static void
cleanup (struct GNUNET_TESTBED_RunHandle *rc)
{
unsigned int hid;
GNUNET_assert (NULL == rc->register_hosts_task);
GNUNET_assert (NULL == rc->reg_handle);
GNUNET_assert (NULL == rc->peers);
GNUNET_assert (NULL == rc->hclist);
GNUNET_assert (RC_PEERS_SHUTDOWN == rc->state);
GNUNET_assert (0 == GNUNET_CONTAINER_multihashmap32_size (rc->rcop_map));
GNUNET_CONTAINER_multihashmap32_destroy (rc->rcop_map);
if (NULL != rc->c)
GNUNET_TESTBED_controller_disconnect (rc->c);
if (NULL != rc->cproc)
GNUNET_TESTBED_controller_stop (rc->cproc);
if (NULL != rc->h)
GNUNET_TESTBED_host_destroy (rc->h);
for (hid = 0; hid < rc->num_hosts; hid++)
GNUNET_TESTBED_host_destroy (rc->hosts[hid]);
GNUNET_free_non_null (rc->hosts);
if (NULL != rc->cfg)
GNUNET_CONFIGURATION_destroy (rc->cfg);
GNUNET_free_non_null (rc->topo_file);
GNUNET_free_non_null (rc->trusted_ip);
GNUNET_free (rc);
}
/**
* Creates a new cache entry and then puts it into the cache's hashtable.
*
* @param peer_id the index of the peer to tag the newly created entry
* @return the newly created entry
*/
static struct CacheEntry *
add_entry (unsigned int peer_id)
{
struct CacheEntry *entry;
GNUNET_assert (NULL != cache);
if (cache_size == GNUNET_CONTAINER_multihashmap32_size (cache))
{
/* remove the LRU head */
entry = cache_head;
GNUNET_assert (GNUNET_OK ==
GNUNET_CONTAINER_multihashmap32_remove (cache, (uint32_t)
entry->peer_id,
entry));
free_entry (entry);
}
entry = GNUNET_new (struct CacheEntry);
entry->peer_id = peer_id;
GNUNET_assert (GNUNET_OK ==
GNUNET_CONTAINER_multihashmap32_put (cache,
(uint32_t) peer_id,
entry,
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST));
GNUNET_CONTAINER_DLL_insert_tail (cache_head, cache_tail, entry);
return entry;
}
/**
* Clear cache
*/
void
GST_cache_clear ()
{
if (NULL != cache)
{
GNUNET_CONTAINER_multihashmap32_iterate (cache, &cache_clear_iterator, NULL);
GNUNET_assert (0 == GNUNET_CONTAINER_multihashmap32_size (cache));
GNUNET_CONTAINER_multihashmap32_destroy (cache);
cache = NULL;
}
cache_size = 0;
cache_head = NULL;
cache_tail = NULL;
}
/**
* Remove a channel from a tunnel.
*
* @param t Tunnel.
* @param ch Channel
* @param gid unique number identifying @a ch within @a t
*/
void
GCT_remove_channel (struct CadetTunnel *t,
struct CadetChannel *ch,
struct GCT_ChannelTunnelNumber gid)
{
GNUNET_assert (GNUNET_YES ==
GNUNET_CONTAINER_multihashmap32_remove (t->channels,
ntohl (gid.channel_in_tunnel),
ch));
if (0 ==
GNUNET_CONTAINER_multihashmap32_size (t->channels))
{
t->destroy_task = GNUNET_SCHEDULER_add_delayed (IDLE_DESTROY_DELAY,
&destroy_tunnel,
t);
}
}
/**
* This tunnel is no longer used, destroy it.
*
* @param cls the idle tunnel
*/
static void
destroy_tunnel (void *cls)
{
struct CadetTunnel *t = cls;
struct CadetTConnection *ct;
struct CadetTunnelQueueEntry *tqe;
t->destroy_task = NULL;
GNUNET_assert (0 == GNUNET_CONTAINER_multihashmap32_size (t->channels));
while (NULL != (ct = t->connection_head))
{
GNUNET_assert (ct->t == t);
GNUNET_CONTAINER_DLL_remove (t->connection_head,
t->connection_tail,
ct);
GCC_destroy (ct->cc);
GNUNET_free (ct);
}
while (NULL != (tqe = t->tq_head))
{
GNUNET_CONTAINER_DLL_remove (t->tq_head,
t->tq_tail,
tqe);
GNUNET_MQ_discard (tqe->env);
GNUNET_free (tqe);
}
GCP_drop_tunnel (t->destination,
t);
GNUNET_CONTAINER_multihashmap32_destroy (t->channels);
if (NULL != t->maintain_connections_task)
{
GNUNET_SCHEDULER_cancel (t->maintain_connections_task);
t->maintain_connections_task = NULL;
}
GNUNET_free (t);
}
/**
* Count channels of a tunnel.
*
* @param t Tunnel on which to count.
*
* @return Number of channels.
*/
unsigned int
GCT_count_channels (struct CadetTunnel *t)
{
return GNUNET_CONTAINER_multihashmap32_size (t->channels);
}