DBusHandlerResult avahi_service_resolver_event (AvahiClient *client, AvahiResolverEvent event, DBusMessage *message) {
AvahiServiceResolver *r = NULL;
DBusError error;
const char *path;
AvahiStringList *strlst = NULL;
assert(client);
assert(message);
dbus_error_init (&error);
if (!(path = dbus_message_get_path(message)))
goto fail;
for (r = client->service_resolvers; r; r = r->service_resolvers_next)
if (strcmp (r->path, path) == 0)
break;
if (!r)
goto fail;
switch (event) {
case AVAHI_RESOLVER_FOUND: {
int j;
int32_t interface, protocol, aprotocol;
uint32_t flags;
char *name, *type, *domain, *host, *address;
uint16_t port;
DBusMessageIter iter, sub;
AvahiAddress a;
if (!dbus_message_get_args(
message, &error,
DBUS_TYPE_INT32, &interface,
DBUS_TYPE_INT32, &protocol,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_STRING, &type,
DBUS_TYPE_STRING, &domain,
DBUS_TYPE_STRING, &host,
DBUS_TYPE_INT32, &aprotocol,
DBUS_TYPE_STRING, &address,
DBUS_TYPE_UINT16, &port,
DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
fprintf(stderr, "Failed to parse resolver event.\n");
goto fail;
}
dbus_message_iter_init(message, &iter);
for (j = 0; j < 9; j++)
dbus_message_iter_next(&iter);
if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_ARRAY) {
fprintf(stderr, "Error parsing service resolving message\n");
goto fail;
}
strlst = NULL;
dbus_message_iter_recurse(&iter, &sub);
for (;;) {
DBusMessageIter sub2;
int at;
const uint8_t *k;
int n;
if ((at = dbus_message_iter_get_arg_type(&sub)) == DBUS_TYPE_INVALID)
break;
assert(at == DBUS_TYPE_ARRAY);
if (dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_BYTE) {
fprintf(stderr, "Error parsing service resolving message\n");
goto fail;
}
dbus_message_iter_recurse(&sub, &sub2);
k = NULL; n = 0;
dbus_message_iter_get_fixed_array(&sub2, &k, &n);
if (k && n > 0)
strlst = avahi_string_list_add_arbitrary(strlst, k, n);
dbus_message_iter_next(&sub);
}
dbus_message_iter_next(&iter);
if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32) {
fprintf(stderr, "Failed to parse resolver event.\n");
goto fail;
}
dbus_message_iter_get_basic(&iter, &flags);
assert(address);
if (address[0] == 0)
address = NULL;
else
avahi_address_parse(address, (AvahiProtocol) aprotocol, &a);
r->callback(r, (AvahiIfIndex) interface, (AvahiProtocol) protocol, AVAHI_RESOLVER_FOUND, name, type, domain, host, address ? &a : NULL, port, strlst, (AvahiLookupResultFlags) flags, r->userdata);
avahi_string_list_free(strlst);
break;
}
case AVAHI_RESOLVER_FAILURE: {
char *etxt;
if (!dbus_message_get_args(
message, &error,
DBUS_TYPE_STRING, &etxt,
DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
fprintf(stderr, "Failed to parse resolver event.\n");
goto fail;
}
avahi_client_set_errno(r->client, avahi_error_dbus_to_number(etxt));
r->callback(r, r->interface, r->protocol, event, r->name, r->type, r->domain, NULL, NULL, 0, NULL, 0, r->userdata);
break;
}
}
return DBUS_HANDLER_RESULT_HANDLED;
fail:
dbus_error_free (&error);
avahi_string_list_free(strlst);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char *argv[]) {
char *t, *v;
uint8_t data[1024];
AvahiStringList *a = NULL, *b, *p;
size_t size, n;
int r;
a = avahi_string_list_new("prefix", "a", "b", NULL);
a = avahi_string_list_add(a, "start");
a = avahi_string_list_add(a, "foo=99");
a = avahi_string_list_add(a, "bar");
a = avahi_string_list_add(a, "");
a = avahi_string_list_add(a, "");
a = avahi_string_list_add(a, "quux");
a = avahi_string_list_add(a, "");
a = avahi_string_list_add_arbitrary(a, (const uint8_t*) "null\0null", 9);
a = avahi_string_list_add_printf(a, "seven=%i %c", 7, 'x');
a = avahi_string_list_add_pair(a, "blubb", "blaa");
a = avahi_string_list_add_pair(a, "uxknurz", NULL);
a = avahi_string_list_add_pair_arbitrary(a, "uxknurz2", (const uint8_t*) "blafasel\0oerks", 14);
a = avahi_string_list_add(a, "end");
t = avahi_string_list_to_string(a);
printf("--%s--\n", t);
avahi_free(t);
n = avahi_string_list_serialize(a, NULL, 0);
size = avahi_string_list_serialize(a, data, sizeof(data));
assert(size == n);
printf("%u\n", size);
for (t = (char*) data, n = 0; n < size; n++, t++) {
if (*t <= 32)
printf("(%u)", *t);
else
printf("%c", *t);
}
printf("\n");
assert(avahi_string_list_parse(data, size, &b) == 0);
printf("equal: %i\n", avahi_string_list_equal(a, b));
t = avahi_string_list_to_string(b);
printf("--%s--\n", t);
avahi_free(t);
avahi_string_list_free(b);
b = avahi_string_list_copy(a);
assert(avahi_string_list_equal(a, b));
t = avahi_string_list_to_string(b);
printf("--%s--\n", t);
avahi_free(t);
p = avahi_string_list_find(a, "seven");
assert(p);
r = avahi_string_list_get_pair(p, &t, &v, NULL);
assert(r >= 0);
assert(t);
assert(v);
printf("<%s>=<%s>\n", t, v);
avahi_free(t);
avahi_free(v);
p = avahi_string_list_find(a, "quux");
assert(p);
r = avahi_string_list_get_pair(p, &t, &v, NULL);
assert(r >= 0);
assert(t);
assert(!v);
printf("<%s>=<%s>\n", t, v);
avahi_free(t);
avahi_free(v);
avahi_string_list_free(a);
avahi_string_list_free(b);
n = avahi_string_list_serialize(NULL, NULL, 0);
size = avahi_string_list_serialize(NULL, data, sizeof(data));
assert(size == 1);
assert(size == n);
assert(avahi_string_list_parse(data, size, &a) == 0);
assert(!a);
return 0;
}
