src/bin/lttng-relayd/cmd-2-4.c

   1 /*
   2  * Copyright (C) 2013 - Julien Desfossez <jdesfossez@efficios.com>
   3  *                      David Goulet <dgoulet@efficios.com>
   4  *               2015 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   5  *
   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.
   9  *
  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
  13  * more details.
  14  *
  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.
  18  */
  19
  20 #define _GNU_SOURCE
  21 #define _LGPL_SOURCE
  22 #include <assert.h>
  23 #include <string.h>
  24
  25 #include <common/common.h>
  26 #include <common/sessiond-comm/relayd.h>
  27
  28 #include <common/compat/endian.h>
  29
  30 #include "cmd-generic.h"
  31 #include "lttng-relayd.h"
  32
  33 int cmd_create_session_2_4(struct relay_connection *conn,
  34                 char *session_name, char *hostname,
  35                 uint32_t *live_timer, bool *snapshot)
  36 {
  37         int ret;
  38         struct lttcomm_relayd_create_session_2_4 session_info;
  39
  40         ret = cmd_recv(conn->sock, &session_info, sizeof(session_info));
  41         if (ret < 0) {
  42                 ERR("Unable to recv session info version 2.4");
  43                 goto error;
  44         }
  45
  46         strncpy(session_name, session_info.session_name,
  47                         sizeof(session_info.session_name));
  48         strncpy(hostname, session_info.hostname,
  49                         sizeof(session_info.hostname));
  50         *live_timer = be32toh(session_info.live_timer);
  51         *snapshot = be32toh(session_info.snapshot);
  52
  53         ret = 0;
  54
  55 error:
  56         return ret;
  57 }