static void
_resolver_callback(AvahiServiceResolver *r, AvahiIfIndex interface, AvahiProtocol protocol,
AvahiResolverEvent event, const char *name, const char *type, const char *domain,
const char *host_name, const AvahiAddress *a, uint16_t port, AvahiStringList *txt,
AvahiLookupResultFlags flags, void *userdata) {
BonjourBuddy *buddy;
PurpleAccount *account = userdata;
AvahiStringList *l;
size_t size;
char *key, *value;
int ret;
g_return_if_fail(r != NULL);
switch (event) {
case AVAHI_RESOLVER_FAILURE:
purple_debug_error("bonjour", "_resolve_callback - Failure: %s\n",
avahi_strerror(avahi_client_errno(avahi_service_resolver_get_client(r))));
avahi_service_resolver_free(r);
break;
case AVAHI_RESOLVER_FOUND:
/* create a buddy record */
buddy = bonjour_buddy_new(name, account);
((AvahiBuddyImplData *)buddy->mdns_impl_data)->resolver = r;
/* Get the ip as a string */
buddy->ip = g_malloc(AVAHI_ADDRESS_STR_MAX);
avahi_address_snprint(buddy->ip, AVAHI_ADDRESS_STR_MAX, a);
buddy->port_p2pj = port;
/* Obtain the parameters from the text_record */
clear_bonjour_buddy_values(buddy);
l = txt;
while (l != NULL) {
ret = avahi_string_list_get_pair(l, &key, &value, &size);
l = l->next;
if (ret < 0)
continue;
set_bonjour_buddy_value(buddy, key, value, size);
/* TODO: Since we're using the glib allocator, I think we
* can use the values instead of re-copying them */
avahi_free(key);
avahi_free(value);
}
if (!bonjour_buddy_check(buddy))
bonjour_buddy_delete(buddy);
else
/* Add or update the buddy in our buddy list */
bonjour_buddy_add_to_purple(buddy);
break;
default:
purple_debug_info("bonjour", "Unrecognized Service Resolver event: %d.\n", event);
}
}
static void
_resolver_callback(AvahiServiceResolver *r, AvahiIfIndex interface, AvahiProtocol protocol,
AvahiResolverEvent event, const char *name, const char *type, const char *domain,
const char *host_name, const AvahiAddress *a, uint16_t port, AvahiStringList *txt,
AvahiLookupResultFlags flags, void *userdata) {
PurpleBuddy *pb;
BonjourBuddy *bb;
PurpleAccount *account = userdata;
AvahiStringList *l;
size_t size;
char *key, *value;
char ip[AVAHI_ADDRESS_STR_MAX];
AvahiBuddyImplData *b_impl;
AvahiSvcResolverData *rd;
GSList *res;
g_return_if_fail(r != NULL);
pb = purple_find_buddy(account, name);
bb = (pb != NULL) ? purple_buddy_get_protocol_data(pb) : NULL;
switch (event) {
case AVAHI_RESOLVER_FAILURE:
purple_debug_error("bonjour", "_resolve_callback - Failure: %s\n",
avahi_strerror(avahi_client_errno(avahi_service_resolver_get_client(r))));
avahi_service_resolver_free(r);
if (bb != NULL) {
b_impl = bb->mdns_impl_data;
res = g_slist_find_custom(b_impl->resolvers, r, _find_resolver_data_by_resolver);
if (res != NULL) {
rd = res->data;
b_impl->resolvers = g_slist_remove_link(b_impl->resolvers, res);
/* We've already freed the resolver */
rd->resolver = NULL;
_cleanup_resolver_data(rd);
/* If this was the last resolver, remove the buddy */
if (b_impl->resolvers == NULL)
bonjour_buddy_signed_off(pb);
}
}
break;
case AVAHI_RESOLVER_FOUND:
purple_debug_info("bonjour", "_resolve_callback - name:%s account:%p bb:%p\n",
name, account, bb);
/* create a buddy record */
if (bb == NULL)
bb = bonjour_buddy_new(name, account);
b_impl = bb->mdns_impl_data;
/* If we're reusing an existing buddy, it may be a new resolver or an existing one. */
res = g_slist_find_custom(b_impl->resolvers, r, _find_resolver_data_by_resolver);
if (res != NULL)
rd = res->data;
else {
rd = g_new0(AvahiSvcResolverData, 1);
rd->resolver = r;
rd->interface = interface;
rd->protocol = protocol;
rd->name = g_strdup(name);
rd->type = g_strdup(type);
rd->domain = g_strdup(domain);
b_impl->resolvers = g_slist_prepend(b_impl->resolvers, rd);
}
/* Get the ip as a string */
ip[0] = '\0';
avahi_address_snprint(ip, AVAHI_ADDRESS_STR_MAX, a);
purple_debug_info("bonjour", "_resolve_callback - name:%s ip:%s prev_ip:%s\n",
name, ip, rd->ip);
if (rd->ip == NULL || strcmp(rd->ip, ip) != 0) {
/* We store duplicates in bb->ips, so we always remove the one */
if (rd->ip != NULL) {
bb->ips = g_slist_remove(bb->ips, rd->ip);
g_free((gchar *) rd->ip);
}
/* IPv6 goes at the front of the list and IPv4 at the end so that we "prefer" IPv6, if present */
if (protocol == AVAHI_PROTO_INET6) {
rd->ip = g_strdup_printf("%s%%%d", ip, interface);
bb->ips = g_slist_prepend(bb->ips, (gchar *) rd->ip);
} else {
rd->ip = g_strdup(ip);
bb->ips = g_slist_append(bb->ips, (gchar *) rd->ip);
}
}
bb->port_p2pj = port;
/* Obtain the parameters from the text_record */
clear_bonjour_buddy_values(bb);
for(l = txt; l != NULL; l = l->next) {
if (avahi_string_list_get_pair(l, &key, &value, &size) < 0)
continue;
set_bonjour_buddy_value(bb, key, value, size);
/* TODO: Since we're using the glib allocator, I think we
* can use the values instead of re-copying them */
avahi_free(key);
avahi_free(value);
}
if (!bonjour_buddy_check(bb)) {
b_impl->resolvers = g_slist_remove(b_impl->resolvers, rd);
_cleanup_resolver_data(rd);
/* If this was the last resolver, remove the buddy */
if (b_impl->resolvers == NULL) {
if (pb != NULL)
bonjour_buddy_signed_off(pb);
else
bonjour_buddy_delete(bb);
}
} else
/* Add or update the buddy in our buddy list */
bonjour_buddy_add_to_purple(bb, pb);
break;
default:
purple_debug_info("bonjour", "Unrecognized Service Resolver event: %d.\n", event);
}
}
