static void
send_bw_notification (struct ATS_Address *aa)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "New bandwidth for peer %s is %u/%u\n",
GNUNET_i2s (&aa->peer), ntohl (aa->assigned_bw_in.value__),
ntohl (aa->assigned_bw_out.value__));
GAS_scheduling_transmit_address_suggestion (&aa->peer, aa->plugin, aa->addr,
aa->addr_len, aa->session_id,
aa->ats, aa->ats_count,
aa->assigned_bw_out,
aa->assigned_bw_in);
GAS_reservations_set_bandwidth (&aa->peer, aa->assigned_bw_in);
GAS_performance_notify_clients (&aa->peer, aa->plugin, aa->addr, aa->addr_len,
aa->ats, aa->ats_count, aa->assigned_bw_out,
aa->assigned_bw_in);
}
static void
request_address_mlp (const struct GNUNET_PeerIdentity *peer)
{
struct ATS_Address *aa;
aa = NULL;
#if HAVE_GLPK
/* Get preferred address from MLP */
struct ATS_PreferedAddress * paddr = NULL;
paddr = GAS_mlp_get_preferred_address (mlp, addresses, peer);
aa = paddr->address;
aa->assigned_bw_out = GNUNET_BANDWIDTH_value_init(paddr->bandwidth_out);
/* FIXME use bw in value */
paddr->bandwidth_in = paddr->bandwidth_out;
aa->assigned_bw_in = GNUNET_BANDWIDTH_value_init (paddr->bandwidth_in);
GNUNET_free (paddr);
#endif
if (aa == NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
"Cannot suggest address for peer `%s'\n", GNUNET_i2s (peer));
return;
}
if (aa->active == GNUNET_NO)
{
aa->active = GNUNET_YES;
active_addr_count++;
send_bw_notification (aa);
}
else
{
/* just to be sure... */
GAS_scheduling_transmit_address_suggestion (peer, aa->plugin, aa->addr,
aa->addr_len, aa->session_id,
aa->ats, aa->ats_count,
aa->assigned_bw_out,
aa->assigned_bw_in);
}
}
static void
request_address_simple (const struct GNUNET_PeerIdentity *peer)
{
struct ATS_Address *aa;
aa = NULL;
/* Get address with: stick to current address, lower distance, lower latency */
GNUNET_CONTAINER_multihashmap_get_multiple (addresses, &peer->hashPubKey,
&find_address_it, &aa);
if (aa == NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
"Cannot suggest address for peer `%s'\n", GNUNET_i2s (peer));
return;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
"Suggesting address %p for peer `%s'\n", aa, GNUNET_i2s (peer));
if (aa->active == GNUNET_NO)
{
aa->active = GNUNET_YES;
active_addr_count++;
if (ats_mode == SIMPLE)
{
recalculate_assigned_bw ();
}
}
else
{
/* just to be sure... */
GAS_scheduling_transmit_address_suggestion (peer, aa->plugin, aa->addr,
aa->addr_len, aa->session_id,
aa->ats, aa->ats_count,
aa->assigned_bw_out,
aa->assigned_bw_in);
}
}
static void
send_bw_notification (struct ATS_Address *aa)
{
struct GNUNET_ATS_Information *ats;
uint32_t ats_count;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "New bandwidth for peer %s is %u/%u\n",
GNUNET_i2s (&aa->peer), ntohl (aa->assigned_bw_in.value__),
ntohl (aa->assigned_bw_out.value__));
ats_count = assemble_ats_information (aa, &ats);
GAS_scheduling_transmit_address_suggestion (&aa->peer, aa->plugin, aa->addr,
aa->addr_len, aa->session_id,
ats, ats_count,
aa->assigned_bw_out,
aa->assigned_bw_in);
GAS_reservations_set_bandwidth (&aa->peer, aa->assigned_bw_in);
GAS_performance_notify_all_clients (&aa->peer, aa->plugin, aa->addr, aa->addr_len,
aa->active,
ats, ats_count, aa->assigned_bw_out,
aa->assigned_bw_in);
GNUNET_free (ats);
}
/**
* Callback for solver to notify about assignment changes
*
* @param cls NULL
* @param address the address with changes
*/
static void
bandwidth_changed_cb (void *cls,
struct ATS_Address *address)
{
long long diff_out;
long long diff_in;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Bandwidth assignment changed for peer %s to %u/%u\n",
GNUNET_i2s (&address->peer),
(unsigned int) address->assigned_bw_in,
(unsigned int) address->assigned_bw_out);
GAS_reservations_set_bandwidth (&address->peer,
GNUNET_BANDWIDTH_value_init (address->assigned_bw_in));
/* Notify performance clients about changes to address */
GAS_performance_notify_all_clients (&address->peer,
address->plugin,
address->addr,
address->addr_len,
address->active,
&address->properties,
address->local_address_info,
GNUNET_BANDWIDTH_value_init (address->assigned_bw_out),
GNUNET_BANDWIDTH_value_init (address->assigned_bw_in));
if ( (0 == address->assigned_bw_in) &&
(0 == address->assigned_bw_out) )
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Telling transport to disconnect peer `%s'\n",
GNUNET_i2s (&address->peer));
/* Notify scheduling clients about suggestion */
GAS_scheduling_transmit_address_suggestion (&address->peer,
address->session_id,
GNUNET_BANDWIDTH_ZERO,
GNUNET_BANDWIDTH_ZERO);
return;
}
/* Do bandwidth stability check */
diff_out = llabs ((long long) address->assigned_bw_out -
(long long) address->last_notified_bw_out);
diff_in = llabs ((long long) address->assigned_bw_in -
(long long) address->last_notified_bw_in);
if ( (diff_out < htonl (GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT.value__)) &&
(diff_in < htonl (GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT.value__)) )
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Bandwidth change too small, not notifying client\n");
return;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Sending bandwidth update for peer `%s': %u/%u\n",
GNUNET_i2s (&address->peer),
address->assigned_bw_out,
address->assigned_bw_out);
/* *Notify scheduling clients about suggestion */
GAS_scheduling_transmit_address_suggestion (&address->peer,
address->session_id,
GNUNET_BANDWIDTH_value_init (address->assigned_bw_out),
GNUNET_BANDWIDTH_value_init (address->assigned_bw_in));
address->last_notified_bw_out = address->assigned_bw_out;
address->last_notified_bw_in = address->assigned_bw_in;
}
