Fix the lttng popt context param
[lttng-tools.git] / lttng / options.c
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
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
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 #include <popt.h>
20 #include <stdlib.h>
21
22 #include "lttng.h"
23
24 /* Option variables */
25 char *opt_tracing_group;
26 char *opt_session_uuid;
27 char *opt_create_session;
28 char *opt_sessiond_path;
29 char *opt_destroy_session;
30 int opt_trace_kernel = 0;
31 int opt_quiet = 0;
32 int opt_verbose = 0;
33 int opt_list_apps = 0;
34 int opt_no_sessiond = 0;
35 int opt_list_session = 0;
36 pid_t opt_create_trace = 0;
37
38 enum {
39 OPT_HELP = 42,
40 };
41
42 static struct poptOption long_options[] = {
43 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
44 {"create-session", 'c', POPT_ARG_STRING, &opt_create_session, 0, 0, 0},
45 {"create-trace", 'C', POPT_ARG_INT, &opt_create_trace, 0, 0, 0},
46 {"destroy-session", 'd', POPT_ARG_STRING, &opt_destroy_session, 0, 0, 0},
47 {"group", 0, POPT_ARG_STRING, &opt_tracing_group, 0, 0},
48 {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0},
49 {"kernel", 0, POPT_ARG_VAL, &opt_trace_kernel, 1, 0, 0},
50 {"list-apps", 'L', POPT_ARG_VAL, &opt_list_apps, 1, 0, 0},
51 {"list-sessions", 'l', POPT_ARG_VAL, &opt_list_session, 1, 0, 0},
52 {"no-kernel", 0, POPT_ARG_VAL, &opt_trace_kernel, 0, 0, 0},
53 {"no-sessiond", 0, POPT_ARG_VAL, &opt_no_sessiond, 1, 0, 0},
54 {"quiet", 'q', POPT_ARG_VAL, &opt_quiet, 1, 0, 0},
55 {"session", 's', POPT_ARG_STRING, &opt_session_uuid, 0, 0, 0},
56 {"sessiond-path", 0, POPT_ARG_STRING, &opt_sessiond_path, 0, 0, 0},
57 {"verbose", 'v', POPT_ARG_VAL, &opt_verbose, 1, 0, 0},
58 //{"session", 0, POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_session_name, 0, 0},
59 {0, 0, 0, 0, 0, 0, 0}
60 };
61
62
63 /*
64 * usage
65 */
66 static void usage(FILE *ofp)
67 {
68 fprintf(ofp, "LTTng Trace Control " VERSION"\n\n");
69 fprintf(ofp, "usage : lttng [OPTION]\n");
70 fprintf(ofp, "\n");
71 fprintf(ofp, "Options:\n");
72 fprintf(ofp, " -v, --verbose Verbose mode\n");
73 fprintf(ofp, " -q, --quiet Quiet mode\n");
74 fprintf(ofp, " --help Show help\n");
75 fprintf(ofp, " --group NAME Unix tracing group name. (default: tracing)\n");
76 fprintf(ofp, " --no-sessiond Don't spawn a session daemon\n");
77 fprintf(ofp, " --sessiond-path Session daemon full path\n");
78 fprintf(ofp, "\n");
79 fprintf(ofp, "Session options:\n");
80 fprintf(ofp, " -c, --create-session NAME Create a new session\n");
81 fprintf(ofp, " -l, --list-sessions List all available sessions\n");
82 fprintf(ofp, " -s, --session UUID Specify tracing session using UUID\n");
83 fprintf(ofp, " -d, --destroy-session=NAME Destroy the session specified by NAME\n");
84 fprintf(ofp, "\n");
85 fprintf(ofp, "Tracing options:\n");
86 //fprintf(ofp, " --kernel Enable kernel tracing\n");
87 //fprintf(ofp, " --no-kernel Disable kernel tracing\n");
88 fprintf(ofp, " -L, --list-apps List traceable UST applications\n");
89 fprintf(ofp, " -C, --create-trace PID Create trace for PID\n");
90 fprintf(ofp, "\n");
91 fprintf(ofp, "Please see the lttng(1) man page for full documentation.\n");
92 fprintf(ofp, "See http://lttng.org/ust for updates, bug reports and news.\n");
93 }
94
95 /*
96 * parse_args
97 *
98 * Parse command line arguments.
99 * Return 0 if OK, else -1
100 */
101 int parse_args(int argc, const char **argv)
102 {
103 static poptContext pc;
104 int opt;
105
106 /* If no options, fail */
107 if (argc < 2) {
108 return -1;
109 }
110
111 pc = poptGetContext(NULL, argc, argv, long_options, 0);
112 poptReadDefaultConfig(pc, 0);
113
114 while ((opt = poptGetNextOpt(pc)) != -1) {
115 switch (opt) {
116 case OPT_HELP:
117 usage(stderr);
118 clean_exit(EXIT_SUCCESS);
119 break;
120 default:
121 usage(stderr);
122 clean_exit(EXIT_FAILURE);
123 break;
124 }
125 }
126
127 if (pc) {
128 poptFreeContext(pc);
129 }
130
131 return 0;
132 }
This page took 0.046486 seconds and 4 git commands to generate.