X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=include%2Flttng%2Fendpoint.h;h=e27ac3b015b8b039c451dff6411fef20a2829b17;hp=b93ed697e0616fca971e678e302f46c65863f00e;hb=HEAD;hpb=a58c490f0bff52a73717d31d04d1472629180de2 diff --git a/include/lttng/endpoint.h b/include/lttng/endpoint.h index b93ed697e..e27ac3b01 100644 --- a/include/lttng/endpoint.h +++ b/include/lttng/endpoint.h @@ -1,29 +1,46 @@ /* - * Copyright (C) 2017 - Jérémie Galarneau + * Copyright (C) 2017 Jérémie Galarneau * - * This library is free software; you can redistribute it and/or modify it - * under the terms of the GNU Lesser General Public License, version 2.1 only, - * as published by the Free Software Foundation. + * SPDX-License-Identifier: LGPL-2.1-only * - * This library is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License - * for more details. - * - * You should have received a copy of the GNU Lesser General Public License - * along with this library; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef LTTNG_ENDPOINT_H #define LTTNG_ENDPOINT_H +#include + #ifdef __cplusplus extern "C" { #endif -/* Default LTTng session daemon endpoint singleton. */ -extern struct lttng_endpoint *lttng_session_daemon_notification_endpoint; +/* + * Default LTTng session daemon notification endpoint singleton. + * + * For use during the creation of a notification channel. This endpoint + * implements the following policy to connect to a session daemon's + * notification delivery channel: + * - If the caller is root or part of the tracing group: + * - Attempt to connect to the "root" (global) session daemon, + * - Fallback to the session daemon running as the caller's user. + * - Otherwise (caller is an unpriviliged user): + * - Attempt to connect to the session daemon running as the caller's user. + */ +LTTNG_EXPORT extern struct lttng_endpoint *lttng_session_daemon_notification_endpoint; + +/* + * Default LTTng session daemon command endpoint singleton. + * + * For use as part of the invocation of a command. This endpoint + * implements the following policy to connect to a session daemon's + * command channel: + * - If the caller is root or part of the tracing group: + * - Attempt to connect to the "root" (global) session daemon, + * - Fallback to the session daemon running as the caller's user. + * - Otherwise (caller is an unpriviliged user): + * - Attempt to connect to the session daemon running as the caller's user. + */ +LTTNG_EXPORT extern struct lttng_endpoint *lttng_session_daemon_command_endpoint; #ifdef __cplusplus }