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826d496d MD |
1 | /* |
2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> | |
fac6795d DG |
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. | |
fac6795d DG |
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_name; | |
5b8719f5 | 27 | char *opt_sessiond_path; |
fac6795d DG |
28 | int opt_trace_kernel = 0; |
29 | int opt_quiet = 0; | |
30 | int opt_verbose = 0; | |
31 | int opt_list_apps = 0; | |
5b8719f5 | 32 | int opt_no_sessiond = 0; |
fac6795d DG |
33 | |
34 | enum { | |
35 | OPT_HELP = 42, | |
36 | }; | |
37 | ||
38 | static struct poptOption long_options[] = { | |
39 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
40 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, | |
41 | {"group", 0, POPT_ARG_STRING, &opt_tracing_group, 0, 0}, | |
42 | {"kernel", 0, POPT_ARG_VAL, &opt_trace_kernel, 1, 0, 0}, | |
43 | {"no-kernel", 0, POPT_ARG_VAL, &opt_trace_kernel, 0, 0, 0}, | |
44 | {"session", 0, POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_session_name, 0, 0}, | |
45 | {"quiet", 'q', POPT_ARG_VAL, &opt_quiet, 1, 0}, | |
46 | {"verbose", 'v', POPT_ARG_VAL, &opt_verbose, 1, 0}, | |
47 | {"list-apps", 'l', POPT_ARG_VAL, &opt_list_apps, 1, 0}, | |
5b8719f5 DG |
48 | {"no-sessiond", 0, POPT_ARG_VAL, &opt_no_sessiond, 1, 0}, |
49 | {"sessiond-path", 0, POPT_ARG_STRING, &opt_sessiond_path, 0, 0}, | |
fac6795d DG |
50 | {0, 0, 0, 0, 0, 0} |
51 | }; | |
52 | ||
53 | ||
54 | /* | |
55 | * usage | |
56 | */ | |
57 | static void usage(FILE *ofp) | |
58 | { | |
59 | fprintf(ofp, "LTTng Trace Control " VERSION"\n\n"); | |
60 | fprintf(ofp, "usage : lttng [OPTION]\n"); | |
61 | fprintf(ofp, "\n"); | |
62 | fprintf(ofp, "Options:\n"); | |
63 | fprintf(ofp, " -v, --verbose Verbose mode\n"); | |
64 | fprintf(ofp, " -q, --quiet Quiet mode\n"); | |
65 | fprintf(ofp, " --help Show help\n"); | |
66 | fprintf(ofp, " --group NAME Unix tracing group name. (default: tracing)\n"); | |
5b8719f5 DG |
67 | fprintf(ofp, " --no-sessiond Don't spawn a session daemon.\n"); |
68 | fprintf(ofp, " --sessiond-path Session daemon full path\n"); | |
fac6795d DG |
69 | fprintf(ofp, "\n"); |
70 | fprintf(ofp, "Tracing options:\n"); | |
71 | //fprintf(ofp, " --session [NAME] Specify tracing session. If no NAME is given\n"); | |
72 | //fprintf(ofp, " or option is ommited, a session will be created\n"); | |
73 | //fprintf(ofp, " --kernel Enable kernel tracing\n"); | |
74 | //fprintf(ofp, " --no-kernel Disable kernel tracing\n"); | |
75 | fprintf(ofp, " -l, --list-apps List traceable UST applications\n"); | |
76 | } | |
77 | ||
78 | /* | |
79 | * parse_args | |
80 | * | |
81 | * Parse command line arguments. | |
82 | * Return 0 if OK, else -1 | |
83 | */ | |
84 | int parse_args(int argc, const char **argv) | |
85 | { | |
86 | static poptContext pc; | |
87 | int opt; | |
88 | ||
89 | pc = poptGetContext("lttng", argc, argv, long_options, 0); | |
90 | poptReadDefaultConfig(pc, 0); | |
91 | ||
92 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
93 | switch (opt) { | |
94 | case OPT_HELP: | |
95 | usage(stderr); | |
96 | clean_exit(EXIT_SUCCESS); | |
97 | break; | |
98 | default: | |
99 | usage(stderr); | |
100 | clean_exit(EXIT_FAILURE); | |
101 | break; | |
102 | } | |
103 | } | |
104 | ||
105 | if (pc) { | |
106 | poptFreeContext(pc); | |
107 | } | |
108 | ||
109 | return 0; | |
110 | } |