/**
* Function called by ATS to notify the callee that the
* assigned bandwidth or address for a given peer was changed. If the
* callback is called with address/bandwidth assignments of zero, the
* ATS disconnect function will still be called once the disconnect
* actually happened.
*
* @param cls closure
* @param address address to use (for peer given in address)
* @param session session to use (if available)
* @param bandwidth_out assigned outbound bandwidth for the connection, 0 to disconnect from peer
* @param bandwidth_in assigned inbound bandwidth for the connection, 0 to disconnect from peer
* @param ats ATS information
* @param ats_count number of ATS elements
*/
static void
ats_request_address_change (void *cls,
const struct GNUNET_HELLO_Address *address,
struct Session *session,
struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out,
struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in,
const struct GNUNET_ATS_Information *ats,
uint32_t ats_count)
{
uint32_t bw_in = ntohl (bandwidth_in.value__);
uint32_t bw_out = ntohl (bandwidth_out.value__);
/* ATS tells me to disconnect from peer */
if ((bw_in == 0) && (bw_out == 0))
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"ATS tells me to disconnect from peer `%s'\n",
GNUNET_i2s (&address->peer));
GST_neighbours_force_disconnect (&address->peer);
return;
}
GST_neighbours_switch_to_address (&address->peer, address, session, ats,
ats_count, bandwidth_in,
bandwidth_out);
}
/**
* Function called by ATS to notify the callee that the
* assigned bandwidth or address for a given peer was changed. If the
* callback is called with address/bandwidth assignments of zero, the
* ATS disconnect function will still be called once the disconnect
* actually happened.
*
* @param cls closure
* @param peer the peer this address is intended for
* @param address address to use (for peer given in address)
* @param session session to use (if available)
* @param bandwidth_out assigned outbound bandwidth for the connection in NBO,
* 0 to disconnect from peer
* @param bandwidth_in assigned inbound bandwidth for the connection in NBO,
* 0 to disconnect from peer
* @param ats ATS information
* @param ats_count number of @a ats elements
*/
static void
ats_request_address_change (void *cls,
const struct GNUNET_PeerIdentity *peer,
const struct GNUNET_HELLO_Address *address,
struct GNUNET_ATS_Session *session,
struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out,
struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in)
{
uint32_t bw_in = ntohl (bandwidth_in.value__);
uint32_t bw_out = ntohl (bandwidth_out.value__);
if (NULL == peer)
{
/* ATS service died, all suggestions become invalid!
(but we'll keep using the allocations for a little
while, to keep going while ATS restarts) */
/* FIXME: We should drop all
connections now, as ATS won't explicitly tell
us and be unaware of ongoing resource allocations! */
return;
}
/* ATS tells me to disconnect from peer */
if ((0 == bw_in) && (0 == bw_out))
{
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"ATS tells me to disconnect from peer `%s'\n",
GNUNET_i2s (peer));
GST_neighbours_force_disconnect (peer);
return;
}
GNUNET_assert (NULL != address);
GNUNET_STATISTICS_update (GST_stats,
"# ATS suggestions received",
1,
GNUNET_NO);
GST_neighbours_switch_to_address (address,
session,
bandwidth_in,
bandwidth_out);
}
