/**
* Callback
*/
- GNUNET_ATS_PeerInformationCallback cb;
+ GNUNET_ATS_AddressInformationCallback cb;
/**
* Callback closure
uint32_t id;
};
+
+
/**
* ATS Handle to obtain and/or modify performance information.
*/
const struct GNUNET_CONFIGURATION_Handle *cfg;
/**
- * Callback to invoke on performance changes.
+ * Callback to invoke when an address has performance changes.
*/
- GNUNET_ATS_PeerInformationCallback infocb;
+ GNUNET_ATS_AddressInformationCallback addr_info_cb;
/**
- * Closure for 'infocb'.
+ * Closure for 'addr_info_cb'.
*/
- void *infocb_cls;
+ void *addr_info_cb_cls;
/**
* Connection to ATS service.
*/
struct GNUNET_ATS_AddressListHandle *addresslist_tail;
+
/**
* Current request for transmission to ATS.
*/
*/
GNUNET_SCHEDULER_TaskIdentifier task;
+ /**
+ * Monitor request multiplexing
+ */
+ uint32_t monitor_id;
+
/**
* Request multiplexing
*/
do_transmit (struct GNUNET_ATS_PerformanceHandle *ph);
+/**
+ * Type of a function to call when we receive a message
+ * from the service.
+ *
+ * @param cls the 'struct GNUNET_ATS_SchedulingHandle'
+ * @param msg message received, NULL on timeout or fatal error
+ */
+static void
+process_ats_message (void *cls, const struct GNUNET_MessageHeader *msg);
+
/**
* We can now transmit a message to ATS. Do it.
*
ret += p->size;
size -= p->size;
GNUNET_CONTAINER_DLL_remove (ph->pending_head, ph->pending_tail, p);
+ if (GNUNET_YES == p->is_init)
+ GNUNET_CLIENT_receive (ph->client, &process_ats_message, ph,
+ GNUNET_TIME_UNIT_FOREVER_REL);
+
GNUNET_free (p);
}
do_transmit (ph);
uint16_t plugin_address_length;
uint16_t plugin_name_length;
uint32_t ats_count;
+ int addr_active;
if (ntohs (msg->size) < sizeof (struct PeerInformationMessage))
{
ats_count = ntohl (pi->ats_count);
plugin_address_length = ntohs (pi->address_length);
plugin_name_length = ntohs (pi->plugin_name_length);
+ addr_active = ntohl (pi->address_active);
atsi = (const struct GNUNET_ATS_Information *) &pi[1];
plugin_address = (const char *) &atsi[ats_count];
plugin_name = &plugin_address[plugin_address_length];
GNUNET_break (0);
return GNUNET_SYSERR;
}
- if (ph->infocb == NULL)
+
+ if (NULL != ph->addr_info_cb)
{
- return GNUNET_OK;
- }
+ address.peer = pi->peer;
+ address.address = plugin_address;
+ address.address_length = plugin_address_length;
+ address.transport_name = plugin_name;
- address.peer = pi->peer;
- address.address = plugin_address;
- address.address_length = plugin_address_length;
- address.transport_name = plugin_name;
- ph->infocb (ph->infocb_cls, &address, pi->bandwidth_out, pi->bandwidth_in,
+ ph->addr_info_cb (ph->addr_info_cb_cls, &address, addr_active, pi->bandwidth_out, pi->bandwidth_in,
atsi, ats_count);
+ }
return GNUNET_OK;
}
}
if (NULL == alh)
{
- GNUNET_break (0);
+ /* was canceled */
return GNUNET_SYSERR;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
_("Received last message for %s \n"), "ATS_ADDRESSLIST_RESPONSE");
bandwidth_zero.value__ = htonl (0);
- alh->cb (ph->infocb_cls,
+ if (NULL != alh->cb)
+ alh->cb (ph->addr_info_cb_cls,
NULL,
+ GNUNET_NO,
bandwidth_zero, bandwidth_zero,
NULL, 0);
GNUNET_CONTAINER_DLL_remove (ph->addresslist_head, ph->addresslist_tail, alh);
if ((GNUNET_YES == alh->all_addresses) || (GNUNET_YES == active))
{
- alh->cb (ph->infocb_cls,
+ if (NULL != alh->cb)
+ alh->cb (ph->addr_info_cb_cls,
&address,
+ active,
pi->bandwidth_out, pi->bandwidth_in,
atsi, ats_count);
}
GNUNET_assert (NULL == ph->client);
ph->client = GNUNET_CLIENT_connect ("ats", ph->cfg);
GNUNET_assert (NULL != ph->client);
- GNUNET_CLIENT_receive (ph->client, &process_ats_message, ph,
- GNUNET_TIME_UNIT_FOREVER_REL);
if ((NULL == (p = ph->pending_head)) || (GNUNET_YES != p->is_init))
{
p = GNUNET_malloc (sizeof (struct PendingMessage) +
init->header.type = htons (GNUNET_MESSAGE_TYPE_ATS_START);
init->header.size = htons (sizeof (struct ClientStartMessage));
init->start_flag =
- htonl ((ph->infocb ==
- NULL) ? START_FLAG_PERFORMANCE_NO_PIC :
- START_FLAG_PERFORMANCE_WITH_PIC);
+ htonl ((NULL ==ph->addr_info_cb) ?
+ START_FLAG_PERFORMANCE_NO_PIC : START_FLAG_PERFORMANCE_WITH_PIC);
GNUNET_CONTAINER_DLL_insert (ph->pending_head, ph->pending_tail, p);
}
do_transmit (ph);
* Get handle to access performance API of the ATS subsystem.
*
* @param cfg configuration to use
- * @param infocb function to call on allocation changes, can be NULL
- * @param infocb_cls closure for infocb
+ * @param addr_info_cb callback called when performance characteristics for
+ * an address change
+ * @param addr_info_cb_cls closure for infocb
* @return ats performance context
*/
struct GNUNET_ATS_PerformanceHandle *
GNUNET_ATS_performance_init (const struct GNUNET_CONFIGURATION_Handle *cfg,
- GNUNET_ATS_PeerInformationCallback infocb,
- void *infocb_cls)
+ GNUNET_ATS_AddressInformationCallback addr_info_cb,
+ void *addr_info_cb_cls)
{
struct GNUNET_ATS_PerformanceHandle *ph;
ph = GNUNET_malloc (sizeof (struct GNUNET_ATS_PerformanceHandle));
ph->cfg = cfg;
- ph->infocb = infocb;
- ph->infocb_cls = infocb_cls;
+ ph->addr_info_cb = addr_info_cb;
+ ph->addr_info_cb_cls = addr_info_cb_cls;
ph->id = 0;
reconnect (ph);
return ph;
}
-
/**
* Client is done using the ATS performance subsystem, release resources.
*
GNUNET_break (NULL == rc->rcb);
GNUNET_free (rc);
}
+
if (GNUNET_SCHEDULER_NO_TASK != ph->task)
{
GNUNET_SCHEDULER_cancel (ph->task);
GNUNET_ATS_performance_list_addresses (struct GNUNET_ATS_PerformanceHandle *handle,
const struct GNUNET_PeerIdentity *peer,
int all,
- GNUNET_ATS_PeerInformationCallback infocb,
+ GNUNET_ATS_AddressInformationCallback infocb,
void *infocb_cls)
{
struct GNUNET_ATS_AddressListHandle *alh;
struct AddressListRequestMessage *m;
GNUNET_assert (NULL != handle);
+ if (NULL == infocb)
+ return NULL;
alh = GNUNET_malloc (sizeof (struct GNUNET_ATS_AddressListHandle));
alh->id = handle->id;
}
+/**
+ * Convert a GNUNET_ATS_PreferenceType to a string
+ *
+ * @param type the preference type
+ * @return a string or NULL if invalid
+ */
+const char *
+GNUNET_ATS_print_preference_type (uint32_t type)
+{
+ char *prefs[GNUNET_ATS_PreferenceCount] = GNUNET_ATS_PreferenceTypeString;
+ if (type < GNUNET_ATS_PreferenceCount)
+ return prefs[type];
+ return NULL;
+}
+
+
/**
* Change preferences for the given peer. Preference changes are forgotten if peers
* disconnect.
* @param ... 0-terminated specification of the desired changes
*/
void
-GNUNET_ATS_change_preference (struct GNUNET_ATS_PerformanceHandle *ph,
+GNUNET_ATS_performance_change_preference (struct GNUNET_ATS_PerformanceHandle *ph,
const struct GNUNET_PeerIdentity *peer, ...)
{
struct PendingMessage *p;
do_transmit (ph);
}
+/**
+ * Send feedback to ATS on how good a the requirements for a peer and a
+ * preference is satisfied by ATS
+ *
+ * @param ph performance handle
+ * @param scope the time interval this valid for: [now - scope .. now]
+ * @param peer identifies the peer
+ * @param ... 0-terminated specification of the desired changes
+ */
+void
+GNUNET_ATS_performance_give_feedback (struct GNUNET_ATS_PerformanceHandle *ph,
+ const struct GNUNET_PeerIdentity *peer,
+ const struct GNUNET_TIME_Relative scope, ...)
+{
+ struct PendingMessage *p;
+ struct FeedbackPreferenceMessage *m;
+ size_t msize;
+ uint32_t count;
+ struct PreferenceInformation *pi;
+ va_list ap;
+ enum GNUNET_ATS_PreferenceKind kind;
+
+ count = 0;
+ va_start (ap, scope);
+ while (GNUNET_ATS_PREFERENCE_END !=
+ (kind = va_arg (ap, enum GNUNET_ATS_PreferenceKind)))
+ {
+ switch (kind)
+ {
+ case GNUNET_ATS_PREFERENCE_BANDWIDTH:
+ count++;
+ (void) va_arg (ap, double);
+
+ break;
+ case GNUNET_ATS_PREFERENCE_LATENCY:
+ count++;
+ (void) va_arg (ap, double);
+
+ break;
+ default:
+ GNUNET_assert (0);
+ }
+ }
+ va_end (ap);
+ msize =
+ count * sizeof (struct PreferenceInformation) +
+ sizeof (struct FeedbackPreferenceMessage);
+ p = GNUNET_malloc (sizeof (struct PendingMessage) + msize);
+ p->size = msize;
+ p->is_init = GNUNET_NO;
+ m = (struct FeedbackPreferenceMessage *) &p[1];
+ m->header.type = htons (GNUNET_MESSAGE_TYPE_ATS_PREFERENCE_FEEDBACK);
+ m->header.size = htons (msize);
+ m->scope = GNUNET_TIME_relative_hton (scope);
+ m->num_feedback = htonl (count);
+ m->peer = *peer;
+ pi = (struct PreferenceInformation *) &m[1];
+ count = 0;
+ va_start (ap, scope);
+ while (GNUNET_ATS_PREFERENCE_END !=
+ (kind = va_arg (ap, enum GNUNET_ATS_PreferenceKind)))
+ {
+ pi[count].preference_kind = htonl (kind);
+ switch (kind)
+ {
+ case GNUNET_ATS_PREFERENCE_BANDWIDTH:
+ pi[count].preference_value = (float) va_arg (ap, double);
+
+ count++;
+ break;
+ case GNUNET_ATS_PREFERENCE_LATENCY:
+ pi[count].preference_value = (float) va_arg (ap, double);
+
+ count++;
+ break;
+ default:
+ GNUNET_assert (0);
+ }
+ }
+ va_end (ap);
+ GNUNET_CONTAINER_DLL_insert_tail (ph->pending_head, ph->pending_tail, p);
+ do_transmit (ph);
+}
+
/* end of ats_api_performance.c */
projects / oweals / gnunet.git / blobdiff