/**
* Add a host to the list and notify clients about this event
*
* @param identity the identity of the host
* @return the HostEntry
*/
static struct HostEntry *
add_host_to_known_hosts (const struct GNUNET_PeerIdentity *identity)
{
struct HostEntry *entry;
struct ReadHostFileContext r;
char *fn;
entry = GNUNET_CONTAINER_multipeermap_get (hostmap, identity);
if (NULL == entry)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Adding new peer `%s'\n", GNUNET_i2s (identity));
GNUNET_STATISTICS_update (stats, gettext_noop ("# peers known"), 1,
GNUNET_NO);
entry = GNUNET_new (struct HostEntry);
entry->identity = *identity;
GNUNET_assert (GNUNET_OK ==
GNUNET_CONTAINER_multipeermap_put (hostmap, &entry->identity, entry,
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
notify_all (entry);
fn = get_host_filename (identity);
if (NULL != fn)
{
read_host_file (fn, GNUNET_YES, &r);
if (NULL != r.hello)
update_hello (identity, r.hello);
if (NULL != r.friend_only_hello)
update_hello (identity, r.friend_only_hello);
GNUNET_free_non_null (r.hello);
GNUNET_free_non_null (r.friend_only_hello);
GNUNET_free (fn);
}
}
/**
* 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);
}
/**
* Add a host to the list.
*
* @param identity the identity of the host
*/
static void
add_host_to_known_hosts (const struct GNUNET_PeerIdentity *identity)
{
struct HostEntry *entry;
char *fn;
entry = GNUNET_CONTAINER_multihashmap_get (hostmap, &identity->hashPubKey);
if (entry != NULL)
return;
GNUNET_STATISTICS_update (stats, gettext_noop ("# peers known"), 1,
GNUNET_NO);
entry = GNUNET_malloc (sizeof (struct HostEntry));
entry->identity = *identity;
GNUNET_CONTAINER_multihashmap_put (hostmap, &identity->hashPubKey, entry,
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
fn = get_host_filename (identity);
entry->hello = read_host_file (fn);
GNUNET_free (fn);
notify_all (entry);
}