Deprecate enable/disable-consumer
[lttng-tools.git] / src / bin / lttng / commands / set_session.c
... / ...
CommitLineData
1/*
2 * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License, version 2 only,
6 * as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
16 */
17
18#define _GNU_SOURCE
19#include <popt.h>
20#include <stdio.h>
21#include <stdlib.h>
22#include <string.h>
23#include <sys/stat.h>
24#include <sys/types.h>
25#include <unistd.h>
26
27#include "../command.h"
28
29static char *opt_session_name;
30
31enum {
32 OPT_HELP = 1,
33 OPT_LIST_OPTIONS,
34};
35
36static struct poptOption long_options[] = {
37 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
38 {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0},
39 {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL},
40 {0, 0, 0, 0, 0, 0, 0}
41};
42
43/*
44 * usage
45 */
46static void usage(FILE *ofp)
47{
48 fprintf(ofp, "usage: lttng set-session NAME\n");
49 fprintf(ofp, "\n");
50 fprintf(ofp, "Options:\n");
51 fprintf(ofp, " -h, --help Show this help\n");
52 fprintf(ofp, " --list-options Simple listing of options\n");
53 fprintf(ofp, "\n");
54}
55
56/*
57 * set_session
58 */
59static int set_session(void)
60{
61 int ret = CMD_SUCCESS;
62
63 ret = config_init(opt_session_name);
64 if (ret < 0) {
65 ERR("Unable to set session name");
66 ret = CMD_ERROR;
67 goto error;
68 }
69
70 MSG("Session set to %s", opt_session_name);
71 ret = CMD_SUCCESS;
72
73error:
74 return ret;
75}
76
77/*
78 * cmd_set_session
79 */
80int cmd_set_session(int argc, const char **argv)
81{
82 int opt, ret = CMD_SUCCESS;
83 static poptContext pc;
84
85 pc = poptGetContext(NULL, argc, argv, long_options, 0);
86 poptReadDefaultConfig(pc, 0);
87
88 while ((opt = poptGetNextOpt(pc)) != -1) {
89 switch (opt) {
90 case OPT_HELP:
91 usage(stdout);
92 goto end;
93 case OPT_LIST_OPTIONS:
94 list_cmd_options(stdout, long_options);
95 goto end;
96 default:
97 usage(stderr);
98 ret = CMD_UNDEFINED;
99 goto end;
100 }
101 }
102
103 opt_session_name = (char *) poptGetArg(pc);
104 if (opt_session_name == NULL) {
105 ERR("Missing session name");
106 usage(stderr);
107 ret = CMD_ERROR;
108 goto end;
109 }
110
111 ret = set_session();
112
113end:
114 poptFreeContext(pc);
115 return ret;
116}
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