2 * Copyright (C) 2013 - Julien Desfossez <jdesfossez@efficios.com>
3 * David Goulet <dgoulet@efficios.com>
4 * 2015 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License, version 2 only, as
8 * published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * You should have received a copy of the GNU General Public License along with
16 * this program; if not, write to the Free Software Foundation, Inc., 51
17 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23 #include <common/common.h>
24 #include <common/sessiond-comm/relayd.h>
26 #include <common/compat/endian.h>
27 #include <common/compat/string.h>
28 #include <lttng/constant.h>
31 #include "lttng-relayd.h"
33 int cmd_create_session_2_4(const struct lttng_buffer_view
*payload
,
34 char *session_name
, char *hostname
,
35 uint32_t *live_timer
, bool *snapshot
)
38 struct lttcomm_relayd_create_session_2_4 session_info
;
41 if (payload
->size
< sizeof(session_info
)) {
42 ERR("Unexpected payload size in \"cmd_create_session_2_4\": expected >= %zu bytes, got %zu bytes",
43 sizeof(session_info
), payload
->size
);
47 memcpy(&session_info
, payload
->data
, sizeof(session_info
));
49 len
= lttng_strnlen(session_info
.session_name
, sizeof(session_info
.session_name
));
50 /* Ensure that NULL-terminated and fits in local filename length. */
51 if (len
== sizeof(session_info
.session_name
) || len
>= LTTNG_NAME_MAX
) {
53 ERR("Session name too long");
55 } else if (len
== 0) {
57 ERR("Session name can't be of length 0");
60 strncpy(session_name
, session_info
.session_name
, LTTNG_NAME_MAX
);
62 len
= lttng_strnlen(session_info
.hostname
, sizeof(session_info
.hostname
));
63 if (len
== sizeof(session_info
.hostname
) || len
>= LTTNG_HOST_NAME_MAX
) {
65 ERR("Session name too long");
68 strncpy(hostname
, session_info
.hostname
, LTTNG_HOST_NAME_MAX
);
70 *live_timer
= be32toh(session_info
.live_timer
);
71 *snapshot
= be32toh(session_info
.snapshot
);