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);
}
}
/* For a synchronous 'op', returns FALSE if 'op' fails */
gboolean
upstart_job_exec(svc_action_t * op, gboolean synchronous)
{
char *job = NULL;
int arg_wait = TRUE;
const char *arg_env = "pacemaker=1";
const char *action = op->action;
DBusError error;
DBusMessage *msg = NULL;
DBusMessage *reply = NULL;
DBusMessageIter iter, array_iter;
op->rc = PCMK_OCF_UNKNOWN_ERROR;
CRM_ASSERT(upstart_init());
if (safe_str_eq(op->action, "meta-data")) {
op->stdout_data = upstart_job_metadata(op->agent);
op->rc = PCMK_OCF_OK;
goto cleanup;
}
if(!upstart_job_by_name(op->agent, &job, op->timeout)) {
crm_debug("Could not obtain job named '%s' to %s", op->agent, action);
if (!g_strcmp0(action, "stop")) {
op->rc = PCMK_OCF_OK;
} else {
op->rc = PCMK_OCF_NOT_INSTALLED;
op->status = PCMK_LRM_OP_NOT_INSTALLED;
}
goto cleanup;
}
if (safe_str_eq(op->action, "monitor") || safe_str_eq(action, "status")) {
char *path = get_first_instance(job, op->timeout);
op->rc = PCMK_OCF_NOT_RUNNING;
if(path) {
DBusPendingCall *pending = NULL;
char *state = pcmk_dbus_get_property(
upstart_proxy, BUS_NAME, path, UPSTART_06_API ".Instance", "state",
op->synchronous?NULL:upstart_job_check, op,
op->synchronous?NULL:&pending, op->timeout);
free(job);
free(path);
if(op->synchronous) {
upstart_job_check("state", state, op);
free(state);
return op->rc == PCMK_OCF_OK;
} else if (pending) {
services_set_op_pending(op, pending);
services_add_inflight_op(op);
return TRUE;
}
return FALSE;
}
goto cleanup;
} else if (!g_strcmp0(action, "start")) {
action = "Start";
} else if (!g_strcmp0(action, "stop")) {
action = "Stop";
} else if (!g_strcmp0(action, "restart")) {
action = "Restart";
} else {
op->rc = PCMK_OCF_UNIMPLEMENT_FEATURE;
goto cleanup;
}
crm_debug("Calling %s for %s on %s", action, op->rsc, job);
msg = dbus_message_new_method_call(BUS_NAME, // target for the method call
job, // object to call on
UPSTART_JOB_IFACE, // interface to call on
action); // method name
CRM_ASSERT(msg != NULL);
dbus_message_iter_init_append (msg, &iter);
CRM_LOG_ASSERT(dbus_message_iter_open_container (&iter,
DBUS_TYPE_ARRAY,
DBUS_TYPE_STRING_AS_STRING,
&array_iter));
CRM_LOG_ASSERT(dbus_message_iter_append_basic (&array_iter, DBUS_TYPE_STRING, &arg_env));
CRM_LOG_ASSERT(dbus_message_iter_close_container (&iter, &array_iter));
CRM_LOG_ASSERT(dbus_message_append_args(msg, DBUS_TYPE_BOOLEAN, &arg_wait, DBUS_TYPE_INVALID));
if (op->synchronous == FALSE) {
DBusPendingCall* pending = pcmk_dbus_send(msg, upstart_proxy, upstart_async_dispatch, op, op->timeout);
free(job);
if(pending) {
services_set_op_pending(op, pending);
services_add_inflight_op(op);
return TRUE;
}
return FALSE;
}
dbus_error_init(&error);
reply = pcmk_dbus_send_recv(msg, upstart_proxy, &error, op->timeout);
if(error.name) {
if(!upstart_mask_error(op, error.name)) {
crm_err("Could not issue %s for %s: %s (%s)", action, op->rsc, error.name, job);
}
} 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;
}
cleanup:
free(job);
if(msg) {
dbus_message_unref(msg);
}
if(reply) {
dbus_message_unref(reply);
}
if (op->synchronous == FALSE) {
return operation_finalize(op);
}
return op->rc == PCMK_OCF_OK;
}
