/*
* Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; only version 2
- * of the License.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2 only,
+ * as published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define _GNU_SOURCE
*/
static void usage(FILE *ofp)
{
- fprintf(ofp, "usage: lttng set-session NAME\n");
+ fprintf(ofp, "usage: lttng set-session NAME [OPTIONS]\n");
fprintf(ofp, "\n");
fprintf(ofp, "Options:\n");
fprintf(ofp, " -h, --help Show this help\n");
static int set_session(void)
{
int ret = CMD_SUCCESS;
+ int count, i;
+ unsigned int session_found = 0;
+ struct lttng_session *sessions;
+
+ if (opt_session_name && strlen(opt_session_name) > NAME_MAX) {
+ ERR("Session name too long. Length must be lower or equal to %d",
+ NAME_MAX);
+ ret = CMD_ERROR;
+ goto end;
+ }
+
+ count = lttng_list_sessions(&sessions);
+ if (count < 0) {
+ ret = CMD_ERROR;
+ ERR("%s", lttng_strerror(count));
+ goto end;
+ }
+
+ for (i = 0; i < count; i++) {
+ if (strncmp(sessions[i].name, opt_session_name, NAME_MAX) == 0) {
+ session_found = 1;
+ break;
+ }
+ }
+
+ if (!session_found) {
+ ERR("Session '%s' not found", opt_session_name);
+ ret = CMD_ERROR;
+ goto error;
+ }
ret = config_init(opt_session_name);
if (ret < 0) {
ret = CMD_SUCCESS;
error:
+ free(sessions);
+end:
return ret;
}