/**
* @file core/gnunet-service-core_sessions.c
- * @brief code for managing of 'encrypted' sessions (key exchange done)
+ * @brief code for managing of 'encrypted' sessions (key exchange done)
* @author Christian Grothoff
*/
#include "platform.h"
#include "gnunet-service-core_clients.h"
#include "gnunet_constants.h"
+/**
+ * How often do we transmit our typemap?
+ */
+#define TYPEMAP_FREQUENCY GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 5)
+
/**
* Message ready for encryption. This struct is followed by the
GNUNET_SCHEDULER_TaskIdentifier cork_task;
/**
- * Tracking bandwidth for sending to this peer.
- * // FIXME: unused! should it be used?
- */
- struct GNUNET_BANDWIDTH_Tracker available_send_window;
-
- /**
- * Tracking bandwidth for receiving from this peer.
- * // FIXME: need to set it!
- */
- struct GNUNET_BANDWIDTH_Tracker available_recv_window;
-
- /**
- * Available bandwidth out for this peer (current target).
- * // FIXME: check usage!
+ * Task to transmit our type map.
*/
- struct GNUNET_BANDWIDTH_Value32NBO bw_out;
-
- /**
- * Internal bandwidth limit set for this peer (initially typically
- * set to "-1"). Actual "bw_out" is MIN of
- * "bpm_out_internal_limit" and "bw_out_external_limit".
- * // FIXME: check usage
- */
- struct GNUNET_BANDWIDTH_Value32NBO bw_out_internal_limit;
-
- /**
- * External bandwidth limit set for this peer by the
- * peer that we are communicating with. "bw_out" is MIN of
- * "bw_out_internal_limit" and "bw_out_external_limit".
- * // FIXME: check usage
- */
- struct GNUNET_BANDWIDTH_Value32NBO bw_out_external_limit;
-
+ GNUNET_SCHEDULER_TaskIdentifier typemap_task;
/**
* Is the neighbour queue empty and thus ready for us
- * to transmit an encrypted message?
+ * to transmit an encrypted message?
*/
int ready_to_transmit;
/**
* End the session with the given peer (we are no longer
- * connected).
+ * connected).
*
* @param pid identity of peer to kill session with
*/
{
struct Session *session;
struct GSC_ClientActiveRequest *car;
+ struct SessionMessageEntry *sme;
session = find_session (pid);
if (NULL == session)
return;
-#if DEBUG_CORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Destroying session for peer `%4s'\n",
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Destroying session for peer `%4s'\n",
GNUNET_i2s (&session->peer));
-#endif
if (GNUNET_SCHEDULER_NO_TASK != session->cork_task)
{
GNUNET_SCHEDULER_cancel (session->cork_task);
session->cork_task = GNUNET_SCHEDULER_NO_TASK;
}
- GNUNET_assert (GNUNET_YES ==
- GNUNET_CONTAINER_multihashmap_remove (sessions,
- &session->peer.hashPubKey, session));
while (NULL != (car = session->active_client_request_head))
{
GNUNET_CONTAINER_DLL_remove (session->active_client_request_head,
- session->active_client_request_tail,
- car);
+ session->active_client_request_tail, car);
GSC_CLIENTS_reject_request (car);
}
- GNUNET_STATISTICS_set (GSC_stats,
- gettext_noop ("# established sessions"),
- GNUNET_CONTAINER_multihashmap_size (sessions),
- GNUNET_NO);
+ while (NULL != (sme = session->sme_head))
+ {
+ GNUNET_CONTAINER_DLL_remove (session->sme_head, session->sme_tail, sme);
+ GNUNET_free (sme);
+ }
+ GNUNET_SCHEDULER_cancel (session->typemap_task);
+ GSC_CLIENTS_notify_clients_about_neighbour (&session->peer, NULL,
+ 0 /* FIXME: ATSI */ ,
+ session->tmap, NULL);
+ GNUNET_assert (GNUNET_YES ==
+ GNUNET_CONTAINER_multihashmap_remove (sessions,
+ &session->
+ peer.hashPubKey,
+ session));
+ GNUNET_STATISTICS_set (GSC_stats, gettext_noop ("# peers connected"),
+ GNUNET_CONTAINER_multihashmap_size (sessions),
+ GNUNET_NO);
+ GSC_TYPEMAP_destroy (session->tmap);
+ session->tmap = NULL;
GNUNET_free (session);
}
+/**
+ * Transmit our current typemap message to the other peer.
+ * (Done periodically in case an update got lost).
+ *
+ * @param cls the 'struct Session*'
+ * @param tc unused
+ */
+static void
+transmit_typemap_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct Session *session = cls;
+ struct GNUNET_MessageHeader *hdr;
+ struct GNUNET_TIME_Relative delay;
+
+ delay = TYPEMAP_FREQUENCY;
+ /* randomize a bit to avoid spont. sync */
+ delay.rel_value +=
+ GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 1000);
+ session->typemap_task =
+ GNUNET_SCHEDULER_add_delayed (delay, &transmit_typemap_task, session);
+ GNUNET_STATISTICS_update (GSC_stats,
+ gettext_noop ("# type map refreshes sent"), 1,
+ GNUNET_NO);
+ hdr = GSC_TYPEMAP_compute_type_map_message ();
+ GSC_KX_encrypt_and_transmit (session->kxinfo, hdr, ntohs (hdr->size));
+ GNUNET_free (hdr);
+}
+
+
/**
* Create a session, a key exchange was just completed.
*
*/
void
GSC_SESSIONS_create (const struct GNUNET_PeerIdentity *peer,
- struct GSC_KeyExchangeInfo *kx)
+ struct GSC_KeyExchangeInfo *kx)
{
- struct GNUNET_MessageHeader *hdr;
struct Session *session;
-#if DEBUG_CORE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Creating session for peer `%4s'\n", GNUNET_i2s (pid));
-#endif
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Creating session for peer `%4s'\n",
+ GNUNET_i2s (peer));
session = GNUNET_malloc (sizeof (struct Session));
+ session->tmap = GSC_TYPEMAP_create ();
session->peer = *peer;
session->kxinfo = kx;
session->time_established = GNUNET_TIME_absolute_get ();
+ session->typemap_task =
+ GNUNET_SCHEDULER_add_now (&transmit_typemap_task, session);
GNUNET_assert (GNUNET_OK ==
- GNUNET_CONTAINER_multihashmap_put (sessions,
- &peer->hashPubKey, session,
+ GNUNET_CONTAINER_multihashmap_put (sessions, &peer->hashPubKey,
+ session,
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
- GNUNET_STATISTICS_update (GSC_stats,
- gettext_noop ("# established sessions"),
- GNUNET_CONTAINER_multihashmap_size (sessions),
- GNUNET_NO);
-#if 0
- /* FIXME: integration with ATS for quota calculations... */
- /* FIXME: who should do this? Neighbours!? */
- GNUNET_TRANSPORT_set_quota (transport,
- peer,
- GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT,
- GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT);
-#endif
- /* FIXME: we should probably do this periodically (in case
- type map message is lost...) */
- hdr = GSC_TYPEMAP_compute_type_map_message ();
- GSC_KX_encrypt_and_transmit (kx,
- GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT,
- hdr,
- ntohs (hdr->size));
- GNUNET_free (hdr);
+ GNUNET_STATISTICS_set (GSC_stats, gettext_noop ("# peers connected"),
+ GNUNET_CONTAINER_multihashmap_size (sessions),
+ GNUNET_NO);
+ GSC_CLIENTS_notify_clients_about_neighbour (peer, NULL, 0 /* FIXME: ATSI */ ,
+ NULL, session->tmap);
}
* Notify the given client about the session (client is new).
*
* @param cls the 'struct GSC_Client'
- * @param key peer identity
+ * @param key peer identity
* @param value the 'struct Session'
* @return GNUNET_OK (continue to iterate)
*/
static int
-notify_client_about_session (void *cls,
- const GNUNET_HashCode *key,
- void *value)
+notify_client_about_session (void *cls, const struct GNUNET_HashCode * key,
+ void *value)
{
struct GSC_Client *client = cls;
struct Session *session = value;
- GDS_CLIENTS_notify_client_about_neighbour (client,
- &session->peer,
- NULL, 0, /* FIXME: ATS!? */
- NULL, /* old TMAP: none */
- session->tmap);
+ GSC_CLIENTS_notify_client_about_neighbour (client, &session->peer, NULL, 0, /* FIXME: ATS!? */
+ NULL, /* old TMAP: none */
+ session->tmap);
return GNUNET_OK;
}
GSC_SESSIONS_notify_client_about_sessions (struct GSC_Client *client)
{
/* notify new client about existing sessions */
- GNUNET_CONTAINER_multihashmap_iterate (sessions,
- ¬ify_client_about_session, client);
+ GNUNET_CONTAINER_multihashmap_iterate (sessions, ¬ify_client_about_session,
+ client);
}
session = find_session (&car->target);
if (session == NULL)
{
- /* neighbour must have disconnected since request was issued,
- * ignore (client will realize it once it processes the
- * disconnect notification) */
-#if DEBUG_CORE_CLIENT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Dropped client request for transmission (am disconnected)\n");
-#endif
- GNUNET_STATISTICS_update (GSC_stats,
- gettext_noop
- ("# send requests dropped (disconnected)"), 1,
- GNUNET_NO);
+ GNUNET_break (0); /* should have been rejected earlier */
GSC_CLIENTS_reject_request (car);
return;
}
GSC_CLIENTS_reject_request (car);
return;
}
-#if DEBUG_CORE_CLIENT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Received client transmission request. queueing\n");
-#endif
GNUNET_CONTAINER_DLL_insert (session->active_client_request_head,
- session->active_client_request_tail, car);
+ session->active_client_request_tail, car);
try_transmission (session);
}
{
struct Session *s;
+ if (0 ==
+ memcmp (&car->target, &GSC_my_identity,
+ sizeof (struct GNUNET_PeerIdentity)))
+ return;
s = find_session (&car->target);
+ GNUNET_assert (NULL != s);
GNUNET_CONTAINER_DLL_remove (s->active_client_request_head,
s->active_client_request_tail, car);
}
struct GSC_ClientActiveRequest *pos;
struct GSC_ClientActiveRequest *nxt;
struct GNUNET_TIME_Absolute now;
-
+
now = GNUNET_TIME_absolute_get ();
pos = NULL;
nxt = session->active_client_request_head;
{
pos = nxt;
nxt = pos->next;
- if ( (pos->deadline.abs_value < now.abs_value) &&
- (GNUNET_YES != pos->was_solicited) )
+ if ((pos->deadline.abs_value < now.abs_value) &&
+ (GNUNET_YES != pos->was_solicited))
{
GNUNET_STATISTICS_update (GSC_stats,
gettext_noop
("# messages discarded (expired prior to transmission)"),
1, GNUNET_NO);
GNUNET_CONTAINER_DLL_remove (session->active_client_request_head,
- session->active_client_request_tail,
- pos);
+ session->active_client_request_tail, pos);
GSC_CLIENTS_reject_request (pos);
}
}
solicit_messages (struct Session *session)
{
struct GSC_ClientActiveRequest *car;
+ struct GSC_ClientActiveRequest *nxt;
size_t so_size;
- discard_expired_requests (session);
+ discard_expired_requests (session);
so_size = 0;
- for (car = session->active_client_request_head; NULL != car; car = car->next)
+ nxt = session->active_client_request_head;
+ while (NULL != (car = nxt))
{
+ nxt = car->next;
if (so_size + car->msize > GNUNET_CONSTANTS_MAX_ENCRYPTED_MESSAGE_SIZE)
break;
so_size += car->msize;
/**
- * Some messages were delayed (corked), but the timeout has now expired.
+ * Some messages were delayed (corked), but the timeout has now expired.
* Send them now.
*
* @param cls 'struct Session' with the messages to transmit now
* @param tc scheduler context (unused)
*/
static void
-pop_cork_task (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+pop_cork_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- struct Session *session = session;
+ struct Session *session = cls;
session->cork_task = GNUNET_SCHEDULER_NO_TASK;
try_transmission (session);
min_deadline = GNUNET_TIME_UNIT_FOREVER_ABS;
/* check 'ready' messages */
pos = session->sme_head;
- GNUNET_assert (pos->size < GNUNET_CONSTANTS_MAX_ENCRYPTED_MESSAGE_SIZE);
- while ( (NULL != pos) &&
- (msize + pos->size <= GNUNET_CONSTANTS_MAX_ENCRYPTED_MESSAGE_SIZE) )
+ while ((NULL != pos) &&
+ (msize + pos->size <= GNUNET_CONSTANTS_MAX_ENCRYPTED_MESSAGE_SIZE))
{
+ GNUNET_assert (pos->size < GNUNET_CONSTANTS_MAX_ENCRYPTED_MESSAGE_SIZE);
msize += pos->size;
- min_deadline = GNUNET_TIME_absolute_min (min_deadline,
- pos->deadline);
+ min_deadline = GNUNET_TIME_absolute_min (min_deadline, pos->deadline);
pos = pos->next;
}
now = GNUNET_TIME_absolute_get ();
- if ( (msize == 0) ||
- ( (msize < GNUNET_CONSTANTS_MAX_ENCRYPTED_MESSAGE_SIZE / 2) &&
- (min_deadline.abs_value > now.abs_value) ) )
+ if ((msize == 0) ||
+ ((msize < GNUNET_CONSTANTS_MAX_ENCRYPTED_MESSAGE_SIZE / 2) &&
+ (min_deadline.abs_value > now.abs_value)))
{
/* not enough ready yet, try to solicit more */
solicit_messages (session);
if (msize > 0)
{
/* if there is data to send, just not yet, make sure we do transmit
- it once the deadline is reached */
+ * it once the deadline is reached */
if (session->cork_task != GNUNET_SCHEDULER_NO_TASK)
- GNUNET_SCHEDULER_cancel (session->cork_task);
- session->cork_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_absolute_get_remaining (min_deadline),
- &pop_cork_task,
- session);
+ GNUNET_SCHEDULER_cancel (session->cork_task);
+ session->cork_task =
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_absolute_get_remaining
+ (min_deadline), &pop_cork_task,
+ session);
}
return;
}
{
static unsigned long long total_bytes;
static unsigned int total_msgs;
- char pbuf[msize]; /* plaintext */
+ char pbuf[msize]; /* plaintext */
size_t used;
used = 0;
- pos = session->sme_head;
- while ( (NULL != pos) &&
- (used + pos->size <= msize) )
+ while ((NULL != (pos = session->sme_head)) && (used + pos->size <= msize))
{
memcpy (&pbuf[used], &pos[1], pos->size);
used += pos->size;
+ GNUNET_CONTAINER_DLL_remove (session->sme_head, session->sme_tail, pos);
+ GNUNET_free (pos);
}
/* compute average payload size */
total_bytes += used;
total_msgs = 1;
total_bytes = used;
}
- GNUNET_STATISTICS_set (GSC_stats,
- "# avg payload per encrypted message",
- total_bytes / total_msgs,
- GNUNET_NO);
+ GNUNET_STATISTICS_set (GSC_stats, "# avg payload per encrypted message",
+ total_bytes / total_msgs, GNUNET_NO);
/* now actually transmit... */
session->ready_to_transmit = GNUNET_NO;
- GSC_KX_encrypt_and_transmit (session->kxinfo,
- GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT /* FIXME! */,
- pbuf,
- used);
+ GSC_KX_encrypt_and_transmit (session->kxinfo, pbuf, used);
}
}
* @return always GNUNET_OK
*/
static int
-do_send_message (void *cls, const GNUNET_HashCode * key, void *value)
+do_send_message (void *cls, const struct GNUNET_HashCode * key, void *value)
{
const struct GNUNET_MessageHeader *hdr = cls;
struct Session *session = value;
m = GNUNET_malloc (sizeof (struct SessionMessageEntry) + size);
memcpy (&m[1], hdr, size);
m->size = size;
- GNUNET_CONTAINER_DLL_insert (session->sme_head,
- session->sme_tail,
- m);
+ GNUNET_CONTAINER_DLL_insert (session->sme_head, session->sme_tail, m);
try_transmission (session);
return GNUNET_OK;
}
{
if (NULL == sessions)
return;
- GNUNET_CONTAINER_multihashmap_iterate (sessions,
- &do_send_message, (void*) msg);
+ GNUNET_CONTAINER_multihashmap_iterate (sessions, &do_send_message,
+ (void *) msg);
}
struct Session *session;
session = find_session (pid);
+ if (NULL == session)
+ return;
session->ready_to_transmit = GNUNET_YES;
try_transmission (session);
}
*/
void
GSC_SESSIONS_transmit (struct GSC_ClientActiveRequest *car,
- const struct GNUNET_MessageHeader *msg,
- int cork)
+ const struct GNUNET_MessageHeader *msg, int cork)
{
struct Session *session;
struct SessionMessageEntry *sme;
size_t msize;
session = find_session (&car->target);
+ if (NULL == session)
+ return;
msize = ntohs (msg->size);
sme = GNUNET_malloc (sizeof (struct SessionMessageEntry) + msize);
memcpy (&sme[1], msg, msize);
sme->size = msize;
if (GNUNET_YES == cork)
- sme->deadline = GNUNET_TIME_relative_to_absolute (GNUNET_CONSTANTS_MAX_CORK_DELAY);
- GNUNET_CONTAINER_DLL_insert_tail (session->sme_head,
- session->sme_tail,
- sme);
+ sme->deadline =
+ GNUNET_TIME_relative_to_absolute (GNUNET_CONSTANTS_MAX_CORK_DELAY);
+ GNUNET_CONTAINER_DLL_insert_tail (session->sme_head, session->sme_tail, sme);
try_transmission (session);
}
*/
#include "core.h"
static int
-queue_connect_message (void *cls, const GNUNET_HashCode * key, void *value)
+queue_connect_message (void *cls, const struct GNUNET_HashCode * key, void *value)
{
struct GNUNET_SERVER_TransmitContext *tc = cls;
struct Session *session = value;
struct ConnectNotifyMessage cnm;
- struct GNUNET_TRANSPORT_ATS_Information *a;
-
+
/* FIXME: code duplication with clients... */
cnm.header.size = htons (sizeof (struct ConnectNotifyMessage));
cnm.header.type = htons (GNUNET_MESSAGE_TYPE_CORE_NOTIFY_CONNECT);
+ // FIXME: full ats...
cnm.ats_count = htonl (0);
cnm.peer = session->peer;
- a = &cnm.ats;
- // FIXME: full ats...
- a[0].type = htonl (GNUNET_TRANSPORT_ATS_ARRAY_TERMINATOR);
- a[0].value = htonl (0);
GNUNET_SERVER_transmit_context_append_message (tc, &cnm.header);
return GNUNET_OK;
}
/**
* Handle CORE_ITERATE_PEERS request. For this request type, the client
* does not have to have transmitted an INIT request. All current peers
- * are returned, regardless of which message types they accept.
+ * are returned, regardless of which message types they accept.
*
* @param cls unused
* @param client client sending the iteration request
* @param message iteration request message
*/
void
-GSC_SESSIONS_handle_client_iterate_peers (void *cls, struct GNUNET_SERVER_Client *client,
- const struct GNUNET_MessageHeader *message)
+GSC_SESSIONS_handle_client_iterate_peers (void *cls,
+ struct GNUNET_SERVER_Client *client,
+ const struct GNUNET_MessageHeader
+ *message)
{
struct GNUNET_MessageHeader done_msg;
struct GNUNET_SERVER_TransmitContext *tc;
tc = GNUNET_SERVER_transmit_context_create (client);
- GNUNET_CONTAINER_multihashmap_iterate (sessions,
- &queue_connect_message,
- tc);
+ GNUNET_CONTAINER_multihashmap_iterate (sessions, &queue_connect_message, tc);
done_msg.size = htons (sizeof (struct GNUNET_MessageHeader));
done_msg.type = htons (GNUNET_MESSAGE_TYPE_CORE_ITERATE_PEERS_END);
GNUNET_SERVER_transmit_context_append_message (tc, &done_msg);
* @param message iteration request message
*/
void
-GSC_SESSIONS_handle_client_have_peer (void *cls, struct GNUNET_SERVER_Client *client,
- const struct GNUNET_MessageHeader *message)
+GSC_SESSIONS_handle_client_have_peer (void *cls,
+ struct GNUNET_SERVER_Client *client,
+ const struct GNUNET_MessageHeader
+ *message)
{
struct GNUNET_MessageHeader done_msg;
struct GNUNET_SERVER_TransmitContext *tc;
const struct GNUNET_PeerIdentity *peer;
- peer = (const struct GNUNET_PeerIdentity *) &message[1]; // YUCK!
+ peer = (const struct GNUNET_PeerIdentity *) &message[1]; // YUCK!
tc = GNUNET_SERVER_transmit_context_create (client);
GNUNET_CONTAINER_multihashmap_get_multiple (sessions, &peer->hashPubKey,
&queue_connect_message, tc);
/**
- * Handle REQUEST_INFO request. For this request type, the client must
- * have transmitted an INIT first.
+ * We've received a typemap message from a peer, update ours.
+ * Notifies clients about the session.
*
- * @param cls unused
- * @param client client sending the request
- * @param message iteration request message
+ * @param peer peer this is about
+ * @param msg typemap update message
*/
void
-GSC_SESSIONS_handle_client_request_info (void *cls, struct GNUNET_SERVER_Client *client,
- const struct GNUNET_MessageHeader *message)
+GSC_SESSIONS_set_typemap (const struct GNUNET_PeerIdentity *peer,
+ const struct GNUNET_MessageHeader *msg)
{
- const struct RequestInfoMessage *rcm;
struct Session *session;
- struct ConfigurationInfoMessage cim;
- int32_t want_reserv;
- int32_t got_reserv;
- struct GNUNET_TIME_Relative rdelay;
+ struct GSC_TypeMap *nmap;
- rdelay = GNUNET_TIME_UNIT_ZERO;
-#if DEBUG_CORE_CLIENT
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Core service receives `%s' request.\n",
- "REQUEST_INFO");
-#endif
- rcm = (const struct RequestInfoMessage *) message;
- session = find_session (&rcm->peer);
+ nmap = GSC_TYPEMAP_get_from_message (msg);
+ if (NULL == nmap)
+ return; /* malformed */
+ session = find_session (peer);
if (NULL == session)
{
- /* Technically, this COULD happen (due to asynchronous behavior),
- * but it should be rare, so we should generate an info event
- * to help diagnosis of serious errors that might be masked by this */
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _("Client asked for preference change with peer `%s', which is not connected!\n"),
- GNUNET_i2s (&rcm->peer));
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ GNUNET_break (0);
return;
}
-
- want_reserv = ntohl (rcm->reserve_inbound);
- if (session->bw_out_internal_limit.value__ != rcm->limit_outbound.value__)
- {
- session->bw_out_internal_limit = rcm->limit_outbound;
- if (session->bw_out.value__ !=
- GNUNET_BANDWIDTH_value_min (session->bw_out_internal_limit,
- session->bw_out_external_limit).value__)
- {
- session->bw_out =
- GNUNET_BANDWIDTH_value_min (session->bw_out_internal_limit,
- session->bw_out_external_limit);
- GNUNET_BANDWIDTH_tracker_update_quota (&session->available_recv_window,
- session->bw_out);
-#if 0
- // FIXME: who does this?
- GNUNET_TRANSPORT_set_quota (transport, &session->peer,
- session->bw_in,
- session->bw_out);
-#endif
- }
- }
- if (want_reserv < 0)
- {
- got_reserv = want_reserv;
- }
- else if (want_reserv > 0)
- {
- rdelay =
- GNUNET_BANDWIDTH_tracker_get_delay (&session->available_recv_window,
- want_reserv);
- if (rdelay.rel_value == 0)
- got_reserv = want_reserv;
- else
- got_reserv = 0; /* all or nothing */
- }
- else
- got_reserv = 0;
- GNUNET_BANDWIDTH_tracker_consume (&session->available_recv_window, got_reserv);
-#if DEBUG_CORE_QUOTA
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Received reservation request for %d bytes for peer `%4s', reserved %d bytes, suggesting delay of %llu ms\n",
- (int) want_reserv, GNUNET_i2s (&rcm->peer), (int) got_reserv,
- (unsigned long long) rdelay.rel_value);
-#endif
- cim.header.size = htons (sizeof (struct ConfigurationInfoMessage));
- cim.header.type = htons (GNUNET_MESSAGE_TYPE_CORE_CONFIGURATION_INFO);
- cim.reserved_amount = htonl (got_reserv);
- cim.reserve_delay = GNUNET_TIME_relative_hton (rdelay);
- cim.rim_id = rcm->rim_id;
- cim.bw_out = session->bw_out;
- cim.preference = 0; /* FIXME: remove */
- cim.peer = rcm->peer;
- GSC_CLIENTS_send_to_client (client, &cim.header, GNUNET_NO);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ GSC_CLIENTS_notify_clients_about_neighbour (peer, NULL, 0, /* FIXME: ATS */
+ session->tmap, nmap);
+ GSC_TYPEMAP_destroy (session->tmap);
+ session->tmap = nmap;
}
/**
- * Update information about a session.
+ * The given peer send a message of the specified type. Make sure the
+ * respective bit is set in its type-map and that clients are notified
+ * about the session.
*
- * @param peer peer who's session should be updated
- * @param bw_out new outbound bandwidth limit for the peer
- * @param atsi performance information
- * @param atsi_count number of performance records supplied
+ * @param peer peer this is about
+ * @param type type of the message
*/
void
-GSC_SESSIONS_update (const struct GNUNET_PeerIdentity *peer,
- struct GNUNET_BANDWIDTH_Value32NBO bw_out)
+GSC_SESSIONS_add_to_typemap (const struct GNUNET_PeerIdentity *peer,
+ uint16_t type)
{
- // FIXME
- /* not implemented */
+ struct Session *session;
+ struct GSC_TypeMap *nmap;
+
+ if (0 == memcmp (peer, &GSC_my_identity, sizeof (struct GNUNET_PeerIdentity)))
+ return;
+ session = find_session (peer);
+ GNUNET_assert (NULL != session);
+ if (GNUNET_YES == GSC_TYPEMAP_test_match (session->tmap, &type, 1))
+ return; /* already in it */
+ nmap = GSC_TYPEMAP_extend (session->tmap, &type, 1);
+ GSC_CLIENTS_notify_clients_about_neighbour (peer, NULL, 0, /* FIXME: ATS */
+ session->tmap, nmap);
+ GSC_TYPEMAP_destroy (session->tmap);
+ session->tmap = nmap;
}
* @return GNUNET_OK (continue to iterate)
*/
static int
-free_session_helper (void *cls, const GNUNET_HashCode * key, void *value)
+free_session_helper (void *cls, const struct GNUNET_HashCode * key, void *value)
{
struct Session *session = value;
void
GSC_SESSIONS_done ()
{
- GNUNET_CONTAINER_multihashmap_iterate (sessions,
- &free_session_helper,
- NULL);
+ GNUNET_CONTAINER_multihashmap_iterate (sessions, &free_session_helper, NULL);
GNUNET_CONTAINER_multihashmap_destroy (sessions);
sessions = NULL;
- GNUNET_STATISTICS_set (GSC_stats,
- gettext_noop ("# established sessions"),
- 0, GNUNET_NO);
}
/* end of gnunet-service-core_sessions.c */
-