static char* avahi_client_get_string_reply_and_block (AvahiClient *client, const char *method, const char *param) {
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
char *ret, *n;
assert(client);
assert(method);
dbus_error_init (&error);
if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, method))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (param) {
if (!dbus_message_append_args (message, DBUS_TYPE_STRING, ¶m, DBUS_TYPE_INVALID)) {
avahi_client_set_errno (client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
}
reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error);
if (!reply || dbus_error_is_set (&error))
goto fail;
if (!dbus_message_get_args (reply, &error, DBUS_TYPE_STRING, &ret, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error))
goto fail;
if (!(n = avahi_strdup(ret))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return n;
fail:
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
if (dbus_error_is_set(&error)) {
avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
return NULL;
}
int avahi_client_set_host_name(AvahiClient* client, const char *name) {
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
assert(client);
if (!avahi_client_is_connected(client))
return avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
dbus_error_init (&error);
if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "SetHostName"))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!dbus_message_append_args (message, DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID)) {
avahi_client_set_errno (client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error);
if (!reply || dbus_error_is_set (&error))
goto fail;
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error))
goto fail;
dbus_message_unref(message);
dbus_message_unref(reply);
avahi_free(client->host_name);
client->host_name = NULL;
avahi_free(client->host_name_fqdn);
client->host_name_fqdn = NULL;
return 0;
fail:
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
if (dbus_error_is_set(&error)) {
avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
return client->error;
}
int avahi_entry_group_is_empty (AvahiEntryGroup *group) {
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
int r = AVAHI_OK;
int b;
AvahiClient *client;
assert(group);
client = group->client;
if (!group->path || !avahi_client_is_connected(group->client))
return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
dbus_error_init(&error);
if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "IsEmpty"))) {
r = avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_BOOLEAN, &b, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return !!b;
fail:
if (dbus_error_is_set(&error)) {
r = avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return r;
}
uint32_t avahi_client_get_local_service_cookie(AvahiClient *client) {
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
assert(client);
if (!avahi_client_is_connected(client)) {
avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
return AVAHI_SERVICE_COOKIE_INVALID;
}
if (client->local_service_cookie_valid)
return client->local_service_cookie;
dbus_error_init (&error);
if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "GetLocalServiceCookie"))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error);
if (!reply || dbus_error_is_set (&error))
goto fail;
if (!dbus_message_get_args (reply, &error, DBUS_TYPE_UINT32, &client->local_service_cookie, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error))
goto fail;
dbus_message_unref(message);
dbus_message_unref(reply);
client->local_service_cookie_valid = 1;
return client->local_service_cookie;
fail:
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
if (dbus_error_is_set(&error)) {
avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
return AVAHI_SERVICE_COOKIE_INVALID;
}
/* Just for internal use */
int avahi_client_simple_method_call(AvahiClient *client, const char *path, const char *interface, const char *method) {
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
int r = AVAHI_OK;
dbus_error_init(&error);
assert(client);
assert(path);
assert(interface);
assert(method);
if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, path, interface, method))) {
r = avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return AVAHI_OK;
fail:
if (dbus_error_is_set(&error)) {
r = avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return r;
}
static int retrieve_state(AvahiEntryGroup *group) {
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
int r = AVAHI_OK;
int32_t state;
AvahiClient *client;
dbus_error_init(&error);
assert(group);
client = group->client;
if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "GetState"))) {
r = avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INT32, &state, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return state;
fail:
if (dbus_error_is_set(&error)) {
r = avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return r;
}
const char* avahi_client_get_domain_name(AvahiClient *client) {
assert(client);
if (!avahi_client_is_connected(client)) {
avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
return NULL;
}
if (!client->domain_name)
client->domain_name = avahi_client_get_string_reply_and_block(client, "GetDomainName", NULL);
return client->domain_name;
}
const char* avahi_client_get_version_string(AvahiClient *client) {
assert(client);
if (!avahi_client_is_connected(client)) {
avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
return NULL;
}
if (!client->version_string)
client->version_string = avahi_client_get_string_reply_and_block(client, "GetVersionString", NULL);
return client->version_string;
}
int avahi_entry_group_reset(AvahiEntryGroup *group) {
int ret;
assert(group);
if (!group->path || !avahi_client_is_connected(group->client))
return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
if ((ret = entry_group_simple_method_call(group, "Reset")) < 0)
return ret;
group->state_valid = 0;
return ret;
}
const char* avahi_client_get_host_name_fqdn (AvahiClient *client) {
assert(client);
if (!avahi_client_is_connected(client)) {
avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
return NULL;
}
if (!client->host_name_fqdn)
client->host_name_fqdn = avahi_client_get_string_reply_and_block(client, "GetHostNameFqdn", NULL);
return client->host_name_fqdn;
}
DBusHandlerResult avahi_service_browser_event(AvahiClient *client, AvahiBrowserEvent event, DBusMessage *message) {
AvahiServiceBrowser *b = NULL;
DBusError error;
const char *path;
char *name = NULL, *type, *domain;
int32_t interface, protocol;
uint32_t flags = 0;
dbus_error_init (&error);
if (!(path = dbus_message_get_path(message)))
goto fail;
for (b = client->service_browsers; b; b = b->service_browsers_next)
if (strcmp (b->path, path) == 0)
break;
if (!b)
goto fail;
type = b->type;
domain = b->domain;
interface = b->interface;
protocol = b->protocol;
switch (event) {
case AVAHI_BROWSER_NEW:
case AVAHI_BROWSER_REMOVE:
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_UINT32, &flags,
DBUS_TYPE_INVALID) ||
dbus_error_is_set(&error)) {
fprintf(stderr, "Failed to parse browser event.\n");
goto fail;
}
break;
case AVAHI_BROWSER_CACHE_EXHAUSTED:
case AVAHI_BROWSER_ALL_FOR_NOW:
break;
case AVAHI_BROWSER_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 browser event.\n");
goto fail;
}
avahi_client_set_errno(b->client, avahi_error_dbus_to_number(etxt));
break;
}
}
b->callback(b, (AvahiIfIndex) interface, (AvahiProtocol) protocol, event, name, type, domain, (AvahiLookupResultFlags) flags, b->userdata);
return DBUS_HANDLER_RESULT_HANDLED;
fail:
dbus_error_free (&error);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
int avahi_client_set_dbus_error(AvahiClient *client, DBusError *error) {
assert(client);
assert(error);
return avahi_client_set_errno(client, avahi_error_dbus_to_number(error->name));
}
static DBusHandlerResult filter_func(DBusConnection *bus, DBusMessage *message, void *userdata) {
AvahiClient *client = (AvahiClient *)userdata;
DBusError error;
assert(bus);
assert(message);
dbus_error_init(&error);
/* fprintf(stderr, "dbus: interface=%s, path=%s, member=%s\n", */
/* dbus_message_get_interface (message), */
/* dbus_message_get_path (message), */
/* dbus_message_get_member (message)); */
if (dbus_message_is_signal(message, DBUS_INTERFACE_LOCAL, "Disconnected")) {
/* The DBUS server died or kicked us */
avahi_client_set_errno(client, AVAHI_ERR_DISCONNECTED);
goto fail;
} else if (dbus_message_is_signal(message, DBUS_INTERFACE_DBUS, "NameAcquired")) {
/* Ignore this message */
} else if (dbus_message_is_signal(message, DBUS_INTERFACE_DBUS, "NameOwnerChanged")) {
char *name, *old, *newname;
if (!dbus_message_get_args(
message, &error,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_STRING, &old,
DBUS_TYPE_STRING, &newname,
DBUS_TYPE_INVALID) || dbus_error_is_set(&error)) {
fprintf(stderr, "WARNING: Failed to parse NameOwnerChanged signal: %s\n", error.message);
avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (strcmp(name, AVAHI_DBUS_NAME) == 0) {
if (old[0] &&
avahi_client_is_connected(client)) {
/* Regardless if the server lost its name or
* if the name was transfered: our services are no longer
* available, so we disconnect ourselves */
avahi_client_set_errno(client, AVAHI_ERR_DISCONNECTED);
goto fail;
} else if (client->state == AVAHI_CLIENT_CONNECTING && (!old || *old == 0)) {
int ret;
/* Server appeared */
if ((ret = init_server(client, NULL)) < 0) {
avahi_client_set_errno(client, ret);
goto fail;
}
}
}
} else if (!avahi_client_is_connected(client)) {
/* Ignore messages we get in unconnected state */
} else if (dbus_message_is_signal (message, AVAHI_DBUS_INTERFACE_SERVER, "StateChanged")) {
int32_t state;
char *e = NULL;
int c;
if (!dbus_message_get_args(
message, &error,
DBUS_TYPE_INT32, &state,
DBUS_TYPE_STRING, &e,
DBUS_TYPE_INVALID) || dbus_error_is_set (&error)) {
fprintf(stderr, "WARNING: Failed to parse Server.StateChanged signal: %s\n", error.message);
avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if ((c = avahi_error_dbus_to_number(e)) != AVAHI_OK)
avahi_client_set_errno(client, c);
client_set_state(client, (AvahiClientState) state);
} else if (dbus_message_is_signal (message, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "StateChanged")) {
const char *path;
AvahiEntryGroup *g;
path = dbus_message_get_path(message);
for (g = client->groups; g; g = g->groups_next){
if (strcmp(g->path, path) == 0)
break;
}
if (g) {
int32_t state;
char *e;
int c;
if (!dbus_message_get_args(
message, &error,
DBUS_TYPE_INT32, &state,
DBUS_TYPE_STRING, &e,
DBUS_TYPE_INVALID) ||
dbus_error_is_set(&error)) {
fprintf(stderr, "WARNING: Failed to parse EntryGroup.StateChanged signal: %s\n", error.message);
avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if ((c = avahi_error_dbus_to_number(e)) != AVAHI_OK)
avahi_client_set_errno(client, c);
avahi_entry_group_set_state(g, (AvahiEntryGroupState)state);
}
return avahi_domain_browser_event(client, AVAHI_BROWSER_NEW, message);
}
else if (dbus_message_is_signal (message, AVAHI_DBUS_INTERFACE_DOMAIN_BROWSER, "ItemRemove"))
return avahi_domain_browser_event(client, AVAHI_BROWSER_REMOVE, message);
else if (dbus_message_is_signal (message, AVAHI_DBUS_INTERFACE_DOMAIN_BROWSER, "CacheExhausted"))
return avahi_domain_browser_event(client, AVAHI_BROWSER_CACHE_EXHAUSTED, message);
else if (dbus_message_is_signal (message, AVAHI_DBUS_INTERFACE_DOMAIN_BROWSER, "AllForNow"))
return avahi_domain_browser_event(client, AVAHI_BROWSER_ALL_FOR_NOW, message);
else if (dbus_message_is_signal (message, AVAHI_DBUS_INTERFACE_DOMAIN_BROWSER, "Failure"))
return avahi_domain_browser_event(client, AVAHI_BROWSER_FAILURE, message);
else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_SERVICE_TYPE_BROWSER, "ItemNew"))
return avahi_service_type_browser_event (client, AVAHI_BROWSER_NEW, message);
else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_SERVICE_TYPE_BROWSER, "ItemRemove"))
return avahi_service_type_browser_event (client, AVAHI_BROWSER_REMOVE, message);
else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_SERVICE_TYPE_BROWSER, "CacheExhausted"))
return avahi_service_type_browser_event (client, AVAHI_BROWSER_CACHE_EXHAUSTED, message);
else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_SERVICE_TYPE_BROWSER, "AllForNow"))
return avahi_service_type_browser_event (client, AVAHI_BROWSER_ALL_FOR_NOW, message);
else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_SERVICE_TYPE_BROWSER, "Failure"))
return avahi_service_type_browser_event (client, AVAHI_BROWSER_FAILURE, message);
else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_SERVICE_BROWSER, "ItemNew"))
return avahi_service_browser_event (client, AVAHI_BROWSER_NEW, message);
else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_SERVICE_BROWSER, "ItemRemove"))
return avahi_service_browser_event (client, AVAHI_BROWSER_REMOVE, message);
else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_SERVICE_BROWSER, "CacheExhausted"))
return avahi_service_browser_event (client, AVAHI_BROWSER_CACHE_EXHAUSTED, message);
else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_SERVICE_BROWSER, "AllForNow"))
return avahi_service_browser_event (client, AVAHI_BROWSER_ALL_FOR_NOW, message);
else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_SERVICE_BROWSER, "Failure"))
return avahi_service_browser_event (client, AVAHI_BROWSER_FAILURE, message);
else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_SERVICE_RESOLVER, "Found"))
return avahi_service_resolver_event (client, AVAHI_RESOLVER_FOUND, message);
else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_SERVICE_RESOLVER, "Failure"))
return avahi_service_resolver_event (client, AVAHI_RESOLVER_FAILURE, message);
else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_HOST_NAME_RESOLVER, "Found"))
return avahi_host_name_resolver_event (client, AVAHI_RESOLVER_FOUND, message);
else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_HOST_NAME_RESOLVER, "Failure"))
return avahi_host_name_resolver_event (client, AVAHI_RESOLVER_FAILURE, message);
else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_ADDRESS_RESOLVER, "Found"))
return avahi_address_resolver_event (client, AVAHI_RESOLVER_FOUND, message);
else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_ADDRESS_RESOLVER, "Failure"))
return avahi_address_resolver_event (client, AVAHI_RESOLVER_FAILURE, message);
else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_RECORD_BROWSER, "ItemNew"))
return avahi_record_browser_event (client, AVAHI_BROWSER_NEW, message);
else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_RECORD_BROWSER, "ItemRemove"))
return avahi_record_browser_event (client, AVAHI_BROWSER_REMOVE, message);
else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_RECORD_BROWSER, "CacheExhausted"))
return avahi_record_browser_event (client, AVAHI_BROWSER_CACHE_EXHAUSTED, message);
else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_RECORD_BROWSER, "AllForNow"))
return avahi_record_browser_event (client, AVAHI_BROWSER_ALL_FOR_NOW, message);
else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_RECORD_BROWSER, "Failure"))
return avahi_record_browser_event (client, AVAHI_BROWSER_FAILURE, message);
else {
fprintf(stderr, "WARNING: Unhandled message: interface=%s, path=%s, member=%s\n",
dbus_message_get_interface(message),
dbus_message_get_path(message),
dbus_message_get_member(message));
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
return DBUS_HANDLER_RESULT_HANDLED;
fail:
if (dbus_error_is_set(&error)) {
avahi_client_set_errno(client, avahi_error_dbus_to_number(error.name));
dbus_error_free(&error);
}
client_set_state(client, AVAHI_CLIENT_FAILURE);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
AvahiEntryGroup* avahi_entry_group_new (AvahiClient *client, AvahiEntryGroupCallback callback, void *userdata) {
AvahiEntryGroup *group = NULL;
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
char *path;
int state;
assert(client);
dbus_error_init (&error);
if (!avahi_client_is_connected(client)) {
avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
goto fail;
}
if (!(group = avahi_new(AvahiEntryGroup, 1))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
group->client = client;
group->callback = callback;
group->userdata = userdata;
group->state_valid = 0;
group->path = NULL;
AVAHI_LLIST_PREPEND(AvahiEntryGroup, groups, client->groups, group);
if (!(message = dbus_message_new_method_call(
AVAHI_DBUS_NAME,
AVAHI_DBUS_PATH_SERVER,
AVAHI_DBUS_INTERFACE_SERVER,
"EntryGroupNew"))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error)) ||
dbus_error_is_set (&error)) {
avahi_client_set_errno (client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
avahi_client_set_errno (client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!(group->path = avahi_strdup (path))) {
/* FIXME: We don't remove the object on the server side */
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if ((state = retrieve_state(group)) < 0) {
avahi_client_set_errno(client, state);
goto fail;
}
avahi_entry_group_set_state(group, (AvahiEntryGroupState) state);
dbus_message_unref(message);
dbus_message_unref(reply);
return group;
fail:
if (dbus_error_is_set(&error)) {
avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (group)
avahi_entry_group_free(group);
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return NULL;
}
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;
}
/** Add a host/address pair */
int avahi_entry_group_add_address(
AvahiEntryGroup *group,
AvahiIfIndex interface,
AvahiProtocol protocol,
AvahiPublishFlags flags,
const char *name,
const AvahiAddress *a) {
DBusMessage *message = NULL, *reply = NULL;
int r = AVAHI_OK;
DBusError error;
AvahiClient *client;
int32_t i_interface, i_protocol;
uint32_t u_flags;
char s_address[AVAHI_ADDRESS_STR_MAX];
char *p_address = s_address;
assert(name);
client = group->client;
if (!group->path || !avahi_client_is_connected(group->client))
return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
dbus_error_init(&error);
if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddAddress"))) {
r = avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
i_interface = (int32_t) interface;
i_protocol = (int32_t) protocol;
u_flags = (uint32_t) flags;
if (!avahi_address_snprint (s_address, sizeof (s_address), a))
{
r = avahi_client_set_errno(client, AVAHI_ERR_INVALID_ADDRESS);
goto fail;
}
if (!dbus_message_append_args(
message,
DBUS_TYPE_INT32, &i_interface,
DBUS_TYPE_INT32, &i_protocol,
DBUS_TYPE_UINT32, &u_flags,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_STRING, &p_address,
DBUS_TYPE_INVALID)) {
r = avahi_client_set_errno(group->client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return AVAHI_OK;
fail:
if (dbus_error_is_set(&error)) {
r = avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return r;
}
DBusHandlerResult avahi_domain_browser_event (AvahiClient *client, AvahiBrowserEvent event, DBusMessage *message) {
AvahiDomainBrowser *db = NULL;
DBusError error;
const char *path;
char *domain = NULL;
int32_t interface, protocol;
uint32_t flags = 0;
AvahiStringList *l;
assert(client);
assert(message);
dbus_error_init (&error);
if (!(path = dbus_message_get_path(message)))
goto fail;
for (db = client->domain_browsers; db; db = db->domain_browsers_next)
if (strcmp (db->path, path) == 0)
break;
if (!db)
goto fail;
interface = db->interface;
protocol = db->protocol;
switch (event) {
case AVAHI_BROWSER_NEW:
case AVAHI_BROWSER_REMOVE:
if (!dbus_message_get_args(
message, &error,
DBUS_TYPE_INT32, &interface,
DBUS_TYPE_INT32, &protocol,
DBUS_TYPE_STRING, &domain,
DBUS_TYPE_UINT32, &flags,
DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
fprintf(stderr, "Failed to parse browser event.\n");
goto fail;
}
break;
case AVAHI_BROWSER_CACHE_EXHAUSTED:
case AVAHI_BROWSER_ALL_FOR_NOW:
break;
case AVAHI_BROWSER_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 browser event.\n");
goto fail;
}
avahi_client_set_errno(db->client, avahi_error_dbus_to_number(etxt));
break;
}
}
if (domain)
for (l = db->static_browse_domains; l; l = l->next)
if (avahi_domain_equal((char*) l->text, domain)) {
/* We had this entry already in the static entries */
return DBUS_HANDLER_RESULT_HANDLED;
}
db->callback(db, (AvahiIfIndex) interface, (AvahiProtocol) protocol, event, domain, (AvahiLookupResultFlags) flags, db->userdata);
return DBUS_HANDLER_RESULT_HANDLED;
fail:
dbus_error_free (&error);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
AvahiRecordBrowser* avahi_record_browser_new(
AvahiClient *client,
AvahiIfIndex interface,
AvahiProtocol protocol,
const char *name,
uint16_t clazz,
uint16_t type,
AvahiLookupFlags flags,
AvahiRecordBrowserCallback callback,
void *userdata) {
AvahiRecordBrowser *b = NULL;
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
char *path;
int32_t i_protocol, i_interface;
uint32_t u_flags;
assert(client);
assert(name);
assert(callback);
dbus_error_init(&error);
if (!avahi_client_is_connected(client)) {
avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
goto fail;
}
if (!(b = avahi_new(AvahiRecordBrowser, 1))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
b->client = client;
b->callback = callback;
b->userdata = userdata;
b->path = NULL;
b->name = NULL;
b->clazz = clazz;
b->type = type;
b->interface = interface;
b->protocol = protocol;
AVAHI_LLIST_PREPEND(AvahiRecordBrowser, record_browsers, client->record_browsers, b);
if (!(b->name = avahi_strdup(name))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "RecordBrowserNew"))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
i_interface = (int32_t) interface;
i_protocol = (int32_t) protocol;
u_flags = (uint32_t) flags;
if (!dbus_message_append_args(
message,
DBUS_TYPE_INT32, &i_interface,
DBUS_TYPE_INT32, &i_protocol,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_UINT16, &clazz,
DBUS_TYPE_UINT16, &type,
DBUS_TYPE_UINT32, &u_flags,
DBUS_TYPE_INVALID)) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error)) ||
dbus_error_is_set(&error)) {
avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
dbus_error_is_set(&error) ||
!path) {
avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!(b->path = avahi_strdup(path))) {
/* FIXME: We don't remove the object on the server side */
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return b;
fail:
if (dbus_error_is_set(&error)) {
avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (b)
avahi_record_browser_free(b);
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return NULL;
}
DBusHandlerResult avahi_record_browser_event(AvahiClient *client, AvahiBrowserEvent event, DBusMessage *message) {
AvahiRecordBrowser *b = NULL;
DBusError error;
const char *path;
char *name;
int32_t interface, protocol;
uint32_t flags = 0;
uint16_t clazz, type;
void *rdata = NULL;
int rdata_size = 0;
dbus_error_init (&error);
if (!(path = dbus_message_get_path(message)))
goto fail;
for (b = client->record_browsers; b; b = b->record_browsers_next)
if (strcmp (b->path, path) == 0)
break;
if (!b)
goto fail;
interface = b->interface;
protocol = b->protocol;
clazz = b->clazz;
type = b->type;
name = b->name;
switch (event) {
case AVAHI_BROWSER_NEW:
case AVAHI_BROWSER_REMOVE: {
DBusMessageIter iter, sub;
int j;
if (!dbus_message_get_args (
message, &error,
DBUS_TYPE_INT32, &interface,
DBUS_TYPE_INT32, &protocol,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_UINT16, &clazz,
DBUS_TYPE_UINT16, &type,
DBUS_TYPE_INVALID) ||
dbus_error_is_set(&error)) {
fprintf(stderr, "Failed to parse browser event.\n");
goto fail;
}
dbus_message_iter_init(message, &iter);
for (j = 0; j < 5; 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_BYTE)
goto fail;
dbus_message_iter_recurse(&iter, &sub);
dbus_message_iter_get_fixed_array(&sub, &rdata, &rdata_size);
dbus_message_iter_next(&iter);
if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32)
goto fail;
dbus_message_iter_get_basic(&iter, &flags);
break;
}
case AVAHI_BROWSER_CACHE_EXHAUSTED:
case AVAHI_BROWSER_ALL_FOR_NOW:
break;
case AVAHI_BROWSER_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 browser event.\n");
goto fail;
}
avahi_client_set_errno(b->client, avahi_error_dbus_to_number(etxt));
break;
}
}
b->callback(b, (AvahiIfIndex) interface, (AvahiProtocol) protocol, event, name, clazz, type, rdata, (size_t) rdata_size, (AvahiLookupResultFlags) flags, b->userdata);
return DBUS_HANDLER_RESULT_HANDLED;
fail:
dbus_error_free (&error);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
AvahiAddressResolver * avahi_address_resolver_new(
AvahiClient *client,
AvahiIfIndex interface,
AvahiProtocol protocol,
const AvahiAddress *a,
AvahiLookupFlags flags,
AvahiAddressResolverCallback callback,
void *userdata) {
DBusError error;
AvahiAddressResolver *r = NULL;
DBusMessage *message = NULL, *reply = NULL;
int32_t i_interface, i_protocol;
uint32_t u_flags;
char *path;
char addr[AVAHI_ADDRESS_STR_MAX], *address = addr;
assert(client);
assert(a);
dbus_error_init (&error);
if (!avahi_address_snprint (addr, sizeof(addr), a)) {
avahi_client_set_errno(client, AVAHI_ERR_INVALID_ADDRESS);
return NULL;
}
if (!avahi_client_is_connected(client)) {
avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
goto fail;
}
if (!(r = avahi_new(AvahiAddressResolver, 1))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
r->client = client;
r->callback = callback;
r->userdata = userdata;
r->path = NULL;
r->interface = interface;
r->protocol = protocol;
r->address = *a;
AVAHI_LLIST_PREPEND(AvahiAddressResolver, address_resolvers, client->address_resolvers, r);
if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "AddressResolverNew"))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
i_interface = (int32_t) interface;
i_protocol = (int32_t) protocol;
u_flags = (uint32_t) flags;
if (!(dbus_message_append_args(
message,
DBUS_TYPE_INT32, &i_interface,
DBUS_TYPE_INT32, &i_protocol,
DBUS_TYPE_STRING, &address,
DBUS_TYPE_UINT32, &u_flags,
DBUS_TYPE_INVALID))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
dbus_error_is_set(&error)) {
avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
dbus_error_is_set(&error) ||
!path) {
avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!(r->path = avahi_strdup(path))) {
/* FIXME: We don't remove the object on the server side */
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return r;
fail:
if (dbus_error_is_set(&error)) {
avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (r)
avahi_address_resolver_free(r);
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return NULL;
}
DBusHandlerResult avahi_address_resolver_event (AvahiClient *client, AvahiResolverEvent event, DBusMessage *message) {
AvahiAddressResolver *r = NULL;
DBusError error;
const char *path;
assert(client);
assert(message);
dbus_error_init (&error);
if (!(path = dbus_message_get_path(message)))
goto fail;
for (r = client->address_resolvers; r; r = r->address_resolvers_next)
if (strcmp (r->path, path) == 0)
break;
if (!r)
goto fail;
switch (event) {
case AVAHI_RESOLVER_FOUND: {
int32_t interface, protocol, aprotocol;
uint32_t flags;
char *name, *address;
AvahiAddress a;
if (!dbus_message_get_args(
message, &error,
DBUS_TYPE_INT32, &interface,
DBUS_TYPE_INT32, &protocol,
DBUS_TYPE_INT32, &aprotocol,
DBUS_TYPE_STRING, &address,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_UINT32, &flags,
DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
fprintf(stderr, "Failed to parse resolver event.\n");
goto fail;
}
assert(address);
if (!avahi_address_parse(address, (AvahiProtocol) aprotocol, &a)) {
fprintf(stderr, "Failed to parse address\n");
goto fail;
}
r->callback(r, (AvahiIfIndex) interface, (AvahiProtocol) protocol, AVAHI_RESOLVER_FOUND, &a, name, (AvahiLookupResultFlags) flags, r->userdata);
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->address, NULL, 0, r->userdata);
break;
}
}
return DBUS_HANDLER_RESULT_HANDLED;
fail:
dbus_error_free (&error);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
/** Add an arbitrary record */
int avahi_entry_group_add_record(
AvahiEntryGroup *group,
AvahiIfIndex interface,
AvahiProtocol protocol,
AvahiPublishFlags flags,
const char *name,
uint16_t clazz,
uint16_t type,
uint32_t ttl,
const void *rdata,
size_t size) {
DBusMessage *message = NULL, *reply = NULL;
int r = AVAHI_OK;
DBusError error;
AvahiClient *client;
int32_t i_interface, i_protocol;
uint32_t u_flags;
assert(name);
client = group->client;
if (!group->path || !avahi_client_is_connected(group->client))
return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
dbus_error_init(&error);
if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddRecord"))) {
r = avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
i_interface = (int32_t) interface;
i_protocol = (int32_t) protocol;
u_flags = (uint32_t) flags;
if (!dbus_message_append_args(
message,
DBUS_TYPE_INT32, &i_interface,
DBUS_TYPE_INT32, &i_protocol,
DBUS_TYPE_UINT32, &u_flags,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_UINT16, &clazz,
DBUS_TYPE_UINT16, &type,
DBUS_TYPE_UINT32, &ttl,
DBUS_TYPE_INVALID) || append_rdata(message, rdata, size) < 0) {
r = avahi_client_set_errno(group->client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return AVAHI_OK;
fail:
if (dbus_error_is_set(&error)) {
r = avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return r;
}
AvahiServiceResolver * avahi_service_resolver_new(
AvahiClient *client,
AvahiIfIndex interface,
AvahiProtocol protocol,
const char *name,
const char *type,
const char *domain,
AvahiProtocol aprotocol,
AvahiLookupFlags flags,
AvahiServiceResolverCallback callback,
void *userdata) {
DBusError error;
AvahiServiceResolver *r = NULL;
DBusMessage *message = NULL, *reply = NULL;
int32_t i_interface, i_protocol, i_aprotocol;
uint32_t u_flags;
char *path;
assert(client);
assert(type);
if (!domain)
domain = "";
if (!name)
name = "";
dbus_error_init (&error);
if (!avahi_client_is_connected(client)) {
avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
goto fail;
}
if (!(r = avahi_new(AvahiServiceResolver, 1))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
r->client = client;
r->callback = callback;
r->userdata = userdata;
r->path = NULL;
r->name = r->type = r->domain = NULL;
r->interface = interface;
r->protocol = protocol;
AVAHI_LLIST_PREPEND(AvahiServiceResolver, service_resolvers, client->service_resolvers, r);
if (name && name[0])
if (!(r->name = avahi_strdup(name))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(r->type = avahi_strdup(type))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (domain && domain[0])
if (!(r->domain = avahi_strdup(domain))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "ServiceResolverNew"))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
i_interface = (int32_t) interface;
i_protocol = (int32_t) protocol;
i_aprotocol = (int32_t) aprotocol;
u_flags = (uint32_t) flags;
if (!(dbus_message_append_args(
message,
DBUS_TYPE_INT32, &i_interface,
DBUS_TYPE_INT32, &i_protocol,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_STRING, &type,
DBUS_TYPE_STRING, &domain,
DBUS_TYPE_INT32, &i_aprotocol,
DBUS_TYPE_UINT32, &u_flags,
DBUS_TYPE_INVALID))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
dbus_error_is_set(&error)) {
avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
dbus_error_is_set(&error) ||
!path) {
avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!(r->path = avahi_strdup(path))) {
/* FIXME: We don't remove the object on the server side */
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return r;
fail:
if (dbus_error_is_set(&error)) {
avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (r)
avahi_service_resolver_free(r);
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return NULL;
}
int avahi_entry_group_update_service_txt_strlst(
AvahiEntryGroup *group,
AvahiIfIndex interface,
AvahiProtocol protocol,
AvahiPublishFlags flags,
const char *name,
const char *type,
const char *domain,
AvahiStringList *txt) {
DBusMessage *message = NULL, *reply = NULL;
int r = AVAHI_OK;
DBusError error;
AvahiClient *client;
int32_t i_interface, i_protocol;
uint32_t u_flags;
assert(group);
assert(name);
assert(type);
client = group->client;
if (!group->path || !avahi_client_is_connected(group->client))
return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
if (!domain)
domain = "";
dbus_error_init(&error);
if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "UpdateServiceTxt"))) {
r = avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
i_interface = (int32_t) interface;
i_protocol = (int32_t) protocol;
u_flags = (uint32_t) flags;
if (!dbus_message_append_args(
message,
DBUS_TYPE_INT32, &i_interface,
DBUS_TYPE_INT32, &i_protocol,
DBUS_TYPE_UINT32, &u_flags,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_STRING, &type,
DBUS_TYPE_STRING, &domain,
DBUS_TYPE_INVALID) ||
append_string_list(message, txt) < 0) {
r = avahi_client_set_errno(group->client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return AVAHI_OK;
fail:
if (dbus_error_is_set(&error)) {
r = avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return r;
}
AvahiDomainBrowser* avahi_domain_browser_new(
AvahiClient *client,
AvahiIfIndex interface,
AvahiProtocol protocol,
const char *domain,
AvahiDomainBrowserType btype,
AvahiLookupFlags flags,
AvahiDomainBrowserCallback callback,
void *userdata) {
AvahiDomainBrowser *db = NULL;
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
char *path;
int32_t i_interface, i_protocol, bt;
uint32_t u_flags;
assert(client);
assert(callback);
dbus_error_init (&error);
if (!avahi_client_is_connected(client)) {
avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
goto fail;
}
if (!domain)
domain = "";
if (!(db = avahi_new (AvahiDomainBrowser, 1))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
db->ref = 1;
db->client = client;
db->callback = callback;
db->userdata = userdata;
db->path = NULL;
db->interface = interface;
db->protocol = protocol;
db->static_browse_domains = NULL;
db->defer_timeout = NULL;
AVAHI_LLIST_PREPEND(AvahiDomainBrowser, domain_browsers, client->domain_browsers, db);
if (!(client->flags & AVAHI_CLIENT_IGNORE_USER_CONFIG)) {
parse_environment(db);
parse_domain_file(db);
}
db->static_browse_domains = avahi_string_list_reverse(db->static_browse_domains);
if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "DomainBrowserNew"))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
i_interface = (int32_t) interface;
i_protocol = (int32_t) protocol;
u_flags = (uint32_t) flags;
bt = btype;
if (!(dbus_message_append_args(
message,
DBUS_TYPE_INT32, &i_interface,
DBUS_TYPE_INT32, &i_protocol,
DBUS_TYPE_STRING, &domain,
DBUS_TYPE_INT32, &bt,
DBUS_TYPE_UINT32, &u_flags,
DBUS_TYPE_INVALID))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error)) ||
dbus_error_is_set(&error)) {
avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
dbus_error_is_set(&error) ||
!path) {
avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!(db->path = avahi_strdup(path))) {
/* FIXME: We don't remove the object on the server side */
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (db->static_browse_domains && btype == AVAHI_DOMAIN_BROWSER_BROWSE) {
struct timeval tv = { 0, 0 };
if (!(db->defer_timeout = client->poll_api->timeout_new(client->poll_api, &tv, defer_timeout_callback, db))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
}
dbus_message_unref(message);
dbus_message_unref(reply);
return db;
fail:
if (dbus_error_is_set(&error)) {
avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (db)
avahi_domain_browser_free(db);
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return NULL;
}
