--- /dev/null
+/*
+ * 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; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * 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.
+ */
+
+#define _GNU_SOURCE
+#include <popt.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "cmd.h"
+#include "conf.h"
+#include "utils.h"
+
+static char *opt_session_name;
+
+enum {
+ OPT_HELP = 1,
+};
+
+static struct poptOption long_options[] = {
+ /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
+ {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0},
+ {0, 0, 0, 0, 0, 0, 0}
+};
+
+/*
+ * usage
+ */
+static void usage(FILE *ofp)
+{
+ fprintf(ofp, "usage: lttng set-session NAME\n");
+ fprintf(ofp, "\n");
+ fprintf(ofp, "Options:\n");
+ fprintf(ofp, " -h, --help Show this help\n");
+ fprintf(ofp, "\n");
+}
+
+/*
+ * set_session
+ */
+static int set_session(void)
+{
+ int ret = CMD_SUCCESS;
+ char *path, *alloc_path;
+
+ alloc_path = config_get_default_path();
+ if (alloc_path == NULL) {
+ ERR("Unable to find config directory");
+ ret = CMD_ERROR;
+ goto error;
+ }
+
+ path = config_generate_dir_path(alloc_path);
+ if (path == NULL) {
+ ret = CMD_FATAL;
+ goto error;
+ }
+
+ ret = config_init(path);
+ if (ret < 0) {
+ ERR("Init config directory and file failed");
+ ret = CMD_ERROR;
+ goto error;
+ }
+
+ ret = config_add_session_name(path, opt_session_name);
+ if (ret < 0) {
+ ERR("Unable to add session name to config");
+ ret = CMD_ERROR;
+ goto error;
+ }
+
+ MSG("Session set to %s", opt_session_name);
+ ret = CMD_SUCCESS;
+
+error:
+ return ret;
+}
+
+/*
+ * cmd_set_session
+ */
+int cmd_set_session(int argc, const char **argv)
+{
+ int opt, ret = CMD_SUCCESS;
+ static poptContext pc;
+
+ pc = poptGetContext(NULL, argc, argv, long_options, 0);
+ poptReadDefaultConfig(pc, 0);
+
+ while ((opt = poptGetNextOpt(pc)) != -1) {
+ switch (opt) {
+ case OPT_HELP:
+ usage(stderr);
+ ret = CMD_SUCCESS;
+ goto end;
+ default:
+ usage(stderr);
+ ret = CMD_UNDEFINED;
+ goto end;
+ }
+ }
+
+ opt_session_name = (char *) poptGetArg(pc);
+ if (opt_session_name == NULL) {
+ ERR("Missing session name");
+ usage(stderr);
+ goto end;
+ }
+
+ ret = set_session();
+
+end:
+ return ret;
+}
{ "enable-channel", cmd_enable_channels},
{ "disable-channel", cmd_disable_channels},
{ "add-context", cmd_add_context},
+ { "set-session", cmd_set_session},
{ NULL, NULL} /* Array closure */
};
fprintf(ofp, " disable-channel Disable tracing channel\n");
fprintf(ofp, " disable-event Disable tracing event\n");
fprintf(ofp, " list List possible tracing options\n");
+ fprintf(ofp, " set-session Set current session name\n");
fprintf(ofp, " start Start tracing\n");
fprintf(ofp, " stop Stop tracing\n");
fprintf(ofp, " version Show version information\n");