/**
* We've gotten a HELLO from another peer. Consider it for
* advertising.
*
* @param hello the HELLO we got
*/
static void
consider_for_advertising (const struct GNUNET_HELLO_Message *hello)
{
int have_address;
struct GNUNET_PeerIdentity pid;
struct GNUNET_TIME_Absolute dt;
struct GNUNET_HELLO_Message *nh;
struct Peer *peer;
uint16_t size;
if (GNUNET_OK != GNUNET_HELLO_get_id (hello, &pid))
{
GNUNET_break (0);
return;
}
if (0 == memcmp (&pid, &my_identity, sizeof (struct GNUNET_PeerIdentity)))
return; /* that's me! */
have_address = GNUNET_NO;
GNUNET_HELLO_iterate_addresses (hello, GNUNET_NO, &address_iterator,
&have_address);
if (GNUNET_NO == have_address)
return; /* no point in advertising this one... */
peer = GNUNET_CONTAINER_multihashmap_get (peers, &pid.hashPubKey);
if (NULL == peer)
{
peer = make_peer (&pid, hello, GNUNET_NO);
}
else if (peer->hello != NULL)
{
dt = GNUNET_HELLO_equals (peer->hello, hello, GNUNET_TIME_absolute_get ());
if (dt.abs_value == GNUNET_TIME_UNIT_FOREVER_ABS.abs_value)
return; /* nothing new here */
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Found `%s' from peer `%s' for advertising\n", "HELLO",
GNUNET_i2s (&pid));
if (peer->hello != NULL)
{
nh = GNUNET_HELLO_merge (peer->hello, hello);
GNUNET_free (peer->hello);
peer->hello = nh;
}
else
{
size = GNUNET_HELLO_size (hello);
peer->hello = GNUNET_malloc (size);
memcpy (peer->hello, hello, size);
}
if (peer->filter != NULL)
GNUNET_CONTAINER_bloomfilter_free (peer->filter);
setup_filter (peer);
/* since we have a new HELLO to pick from, re-schedule all
* HELLO requests that are not bound by the HELLO send rate! */
GNUNET_CONTAINER_multihashmap_iterate (peers, &reschedule_hellos, peer);
}
/**
* Bind a host address (hello) to a hostId.
*
* @param peer the peer for which this is a hello
* @param hello the verified (!) hello message
*/
static void
bind_address (const struct GNUNET_PeerIdentity *peer,
const struct GNUNET_HELLO_Message *hello)
{
char *fn;
struct HostEntry *host;
struct GNUNET_HELLO_Message *mrg;
struct GNUNET_TIME_Absolute delta;
add_host_to_known_hosts (peer);
host = GNUNET_CONTAINER_multihashmap_get (hostmap, &peer->hashPubKey);
GNUNET_assert (host != NULL);
if (host->hello == NULL)
{
host->hello = GNUNET_malloc (GNUNET_HELLO_size (hello));
memcpy (host->hello, hello, GNUNET_HELLO_size (hello));
}
else
{
mrg = GNUNET_HELLO_merge (host->hello, hello);
delta = GNUNET_HELLO_equals (mrg, host->hello, GNUNET_TIME_absolute_get ());
if (delta.abs_value == GNUNET_TIME_UNIT_FOREVER_ABS.abs_value)
{
GNUNET_free (mrg);
return;
}
GNUNET_free (host->hello);
host->hello = mrg;
}
fn = get_host_filename (peer);
if (GNUNET_OK == GNUNET_DISK_directory_create_for_file (fn))
{
if (GNUNET_SYSERR ==
GNUNET_DISK_fn_write (fn, host->hello, GNUNET_HELLO_size (host->hello),
GNUNET_DISK_PERM_USER_READ |
GNUNET_DISK_PERM_USER_WRITE |
GNUNET_DISK_PERM_GROUP_READ |
GNUNET_DISK_PERM_OTHER_READ))
GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "write", fn);
}
GNUNET_free (fn);
notify_all (host);
}