static void
systemd_daemon_reload_complete(DBusPendingCall *pending, void *user_data)
{
DBusError error;
DBusMessage *reply = NULL;
unsigned int reload_count = GPOINTER_TO_UINT(user_data);
dbus_error_init(&error);
if(pending) {
reply = dbus_pending_call_steal_reply(pending);
}
if(pcmk_dbus_find_error("Reload", pending, reply, &error)) {
crm_err("Could not issue systemd reload %d: %s", reload_count, error.message);
} else {
crm_trace("Reload %d complete", reload_count);
}
if(pending) {
dbus_pending_call_unref(pending);
}
if(reply) {
dbus_message_unref(reply);
}
}
static void
systemd_exec_result(DBusMessage *reply, svc_action_t *op)
{
DBusError error;
if(pcmk_dbus_find_error(op->action, (void*)&error, reply, &error)) {
/* ignore "already started" or "not running" errors */
if (!systemd_mask_error(op, error.name)) {
crm_err("Could not issue %s for %s: %s (%s)", op->action, op->rsc, error.message);
}
} else {
if(!pcmk_dbus_type_check(reply, NULL, DBUS_TYPE_OBJECT_PATH, __FUNCTION__, __LINE__)) {
crm_warn("Call to %s passed but return type was unexpected", op->action);
op->rc = PCMK_OCF_OK;
} else {
const char *path = NULL;
dbus_message_get_args (reply, NULL,
DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID);
crm_info("Call to %s passed: %s", op->action, path);
op->rc = PCMK_OCF_OK;
}
}
operation_finalize(op);
}
static const char *
systemd_loadunit_result(DBusMessage *reply, svc_action_t * op)
{
const char *path = NULL;
DBusError error;
if(pcmk_dbus_find_error("LoadUnit", (void*)&path, reply, &error)) {
if(op && !systemd_mask_error(op, error.name)) {
crm_err("Could not find unit %s for %s: LoadUnit error '%s'",
op->agent, op->id, error.name);
}
} else if(pcmk_dbus_type_check(reply, NULL, DBUS_TYPE_OBJECT_PATH, __FUNCTION__, __LINE__)) {
dbus_message_get_args (reply, NULL,
DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID);
}
if(op) {
if (path) {
systemd_unit_exec_with_unit(op, path);
} else if (op->synchronous == FALSE) {
operation_finalize(op);
}
}
return path;
}
static void
upstart_async_dispatch(DBusPendingCall *pending, void *user_data)
{
DBusError error;
DBusMessage *reply = NULL;
svc_action_t *op = user_data;
dbus_error_init(&error);
if(pending) {
reply = dbus_pending_call_steal_reply(pending);
}
if (pcmk_dbus_find_error(pending, reply, &error)) {
/* ignore "already started" or "not running" errors */
if (!upstart_mask_error(op, error.name)) {
crm_err("%s for %s: %s", op->action, op->rsc, error.message);
}
dbus_error_free(&error);
} else if (!g_strcmp0(op->action, "stop")) {
/* No return vaue */
op->rc = PCMK_OCF_OK;
} else {
if(!pcmk_dbus_type_check(reply, NULL, DBUS_TYPE_OBJECT_PATH, __FUNCTION__, __LINE__)) {
crm_warn("Call to %s passed but return type was unexpected", op->action);
op->rc = PCMK_OCF_OK;
} else {
const char *path = NULL;
dbus_message_get_args (reply, NULL,
DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID);
crm_info("Call to %s passed: %s", op->action, path);
op->rc = PCMK_OCF_OK;
}
}
CRM_LOG_ASSERT(pending == op->opaque->pending);
services_set_op_pending(op, NULL);
operation_finalize(op);
if(reply) {
dbus_message_unref(reply);
}
}
DBusMessage *pcmk_dbus_send_recv(DBusMessage *msg, DBusConnection *connection, DBusError *error, int timeout)
{
const char *method = NULL;
DBusMessage *reply = NULL;
DBusPendingCall* pending = NULL;
CRM_ASSERT(dbus_message_get_type (msg) == DBUS_MESSAGE_TYPE_METHOD_CALL);
method = dbus_message_get_member (msg);
if (timeout <= 0) {
timeout = DBUS_TIMEOUT_USE_DEFAULT;
}
// send message and get a handle for a reply
if (!dbus_connection_send_with_reply (connection, msg, &pending, timeout/* -1 is default timeout, aka. DBUS_TIMEOUT_USE_DEFAULT */)) {
if(error) {
dbus_error_init(error);
error->message = "Call to dbus_connection_send_with_reply() failed";
error->name = "org.clusterlabs.pacemaker.SendFailed";
}
crm_err("Error sending %s request", method);
return NULL;
}
dbus_connection_flush(connection);
if(pending) {
/* block until we receive a reply */
dbus_pending_call_block(pending);
/* get the reply message */
reply = dbus_pending_call_steal_reply(pending);
}
pcmk_dbus_find_error(method, pending, reply, error);
if(pending) {
/* free the pending message handle */
dbus_pending_call_unref(pending);
}
return reply;
}
static const char *
systemd_loadunit_result(DBusMessage *reply, svc_action_t * op)
{
const char *path = NULL;
if(pcmk_dbus_find_error("LoadUnit", (void*)&path, reply, NULL)) {
if(op) {
crm_warn("No unit found for %s", op->rsc);
}
} else if(pcmk_dbus_type_check(reply, NULL, DBUS_TYPE_OBJECT_PATH, __FUNCTION__, __LINE__)) {
dbus_message_get_args (reply, NULL,
DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID);
}
if(op) {
systemd_unit_exec_with_unit(op, path);
}
return path;
}
static char *
pcmk_dbus_lookup_result(DBusMessage *reply, struct db_getall_data *data)
{
DBusError error;
char *output = NULL;
DBusMessageIter dict;
DBusMessageIter args;
if(pcmk_dbus_find_error("GetAll", (void*)&error, reply, &error)) {
crm_err("Cannot get properties from %s for %s", data->target, data->object);
goto cleanup;
}
dbus_message_iter_init(reply, &args);
if(!pcmk_dbus_type_check(reply, &args, DBUS_TYPE_ARRAY, __FUNCTION__, __LINE__)) {
crm_err("Invalid reply from %s for %s", data->target, data->object);
goto cleanup;
}
dbus_message_iter_recurse(&args, &dict);
while (dbus_message_iter_get_arg_type (&dict) != DBUS_TYPE_INVALID) {
DBusMessageIter sv;
DBusMessageIter v;
DBusBasicValue name;
DBusBasicValue value;
if(!pcmk_dbus_type_check(reply, &dict, DBUS_TYPE_DICT_ENTRY, __FUNCTION__, __LINE__)) {
dbus_message_iter_next (&dict);
continue;
}
dbus_message_iter_recurse(&dict, &sv);
while (dbus_message_iter_get_arg_type (&sv) != DBUS_TYPE_INVALID) {
int dtype = dbus_message_iter_get_arg_type(&sv);
switch(dtype) {
case DBUS_TYPE_STRING:
dbus_message_iter_get_basic(&sv, &name);
if(data->name && strcmp(name.str, data->name) != 0) {
dbus_message_iter_next (&sv); /* Skip the value */
}
break;
case DBUS_TYPE_VARIANT:
dbus_message_iter_recurse(&sv, &v);
if(pcmk_dbus_type_check(reply, &v, DBUS_TYPE_STRING, __FUNCTION__, __LINE__)) {
dbus_message_iter_get_basic(&v, &value);
crm_trace("Property %s[%s] is '%s'", data->object, name.str, value.str);
if(data->callback) {
data->callback(name.str, value.str, data->userdata);
} else {
output = strdup(value.str);
}
if(data->name) {
goto cleanup;
}
}
break;
default:
pcmk_dbus_type_check(reply, &sv, DBUS_TYPE_STRING, __FUNCTION__, __LINE__);
}
dbus_message_iter_next (&sv);
}
dbus_message_iter_next (&dict);
}
if(data->name && data->callback) {
crm_trace("No value for property %s[%s]", data->object, data->name);
data->callback(data->name, NULL, data->userdata);
}
cleanup:
free(data->target);
free(data->object);
free(data->name);
free(data);
return output;
}
