Fix build system for valid make dist
[lttng-tools.git] / lttng / commands / set_session.c
CommitLineData
3087ef18
DG
1/*
2 * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
82a3637f
DG
6 * as published by the Free Software Foundation; only version 2
7 * of the License.
3087ef18
DG
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 */
18
19#define _GNU_SOURCE
20#include <popt.h>
21#include <stdio.h>
22#include <stdlib.h>
23#include <string.h>
24#include <sys/stat.h>
25#include <sys/types.h>
26#include <unistd.h>
27
6e2d116c
DG
28#include "../cmd.h"
29#include "../conf.h"
30#include "../utils.h"
3087ef18
DG
31
32static char *opt_session_name;
33
34enum {
35 OPT_HELP = 1,
36};
37
38static struct poptOption long_options[] = {
39 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
40 {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0},
41 {0, 0, 0, 0, 0, 0, 0}
42};
43
44/*
45 * usage
46 */
47static void usage(FILE *ofp)
48{
49 fprintf(ofp, "usage: lttng set-session NAME\n");
50 fprintf(ofp, "\n");
51 fprintf(ofp, "Options:\n");
52 fprintf(ofp, " -h, --help Show this help\n");
53 fprintf(ofp, "\n");
54}
55
56/*
57 * set_session
58 */
59static int set_session(void)
60{
61 int ret = CMD_SUCCESS;
58a97671 62 char *path;
3087ef18 63
58a97671 64 path = config_get_default_path();
3087ef18 65 if (path == NULL) {
58a97671 66 ret = -1;
3087ef18
DG
67 goto error;
68 }
69
70 ret = config_add_session_name(path, opt_session_name);
71 if (ret < 0) {
72 ERR("Unable to add session name to config");
73 ret = CMD_ERROR;
74 goto error;
75 }
76
77 MSG("Session set to %s", opt_session_name);
78 ret = CMD_SUCCESS;
79
80error:
81 return ret;
82}
83
84/*
85 * cmd_set_session
86 */
87int cmd_set_session(int argc, const char **argv)
88{
89 int opt, ret = CMD_SUCCESS;
90 static poptContext pc;
91
92 pc = poptGetContext(NULL, argc, argv, long_options, 0);
93 poptReadDefaultConfig(pc, 0);
94
95 while ((opt = poptGetNextOpt(pc)) != -1) {
96 switch (opt) {
97 case OPT_HELP:
98 usage(stderr);
99 ret = CMD_SUCCESS;
100 goto end;
101 default:
102 usage(stderr);
103 ret = CMD_UNDEFINED;
104 goto end;
105 }
106 }
107
108 opt_session_name = (char *) poptGetArg(pc);
109 if (opt_session_name == NULL) {
110 ERR("Missing session name");
111 usage(stderr);
112 goto end;
113 }
114
115 ret = set_session();
116
117end:
118 return ret;
119}
This page took 0.03749 seconds and 4 git commands to generate.