Use dynamic shared libraries, list formats
[babeltrace.git] / converter / babeltrace.c
CommitLineData
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1/*
2 * babeltrace.c
3 *
4 * Babeltrace Trace Converter
5 *
6 * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
17 */
4c8bfb7e 18
34ac0e6c 19#include <babeltrace/babeltrace.h>
7fb21036 20#include <babeltrace/format.h>
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21#include <popt.h>
22#include <errno.h>
23#include <stdlib.h>
4c8bfb7e 24
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25static const char *opt_input_format;
26static const char *opt_output_format;
27
28static const char *opt_input_path;
29static const char *opt_output_path;
30
31int babeltrace_verbose, babeltrace_debug;
32
33enum {
34 OPT_NONE = 0,
35 OPT_HELP,
7fb21036 36 OPT_LIST,
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37 OPT_VERBOSE,
38 OPT_DEBUG,
39};
40
41static struct poptOption long_options[] = {
42 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
43 { "input-format", 'i', POPT_ARG_STRING, &opt_input_format, OPT_NONE, NULL, NULL },
44 { "output-format", 'o', POPT_ARG_STRING, &opt_output_format, OPT_NONE, NULL, NULL },
45 { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
7fb21036 46 { "list", 'l', POPT_ARG_NONE, NULL, OPT_LIST, NULL, NULL },
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47 { "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL },
48 { "debug", 'd', POPT_ARG_NONE, NULL, OPT_DEBUG, NULL, NULL },
49 { NULL, 0, 0, NULL, 0, NULL, NULL },
50};
51
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52static void list_formats(FILE *fp)
53{
54 fprintf(fp, "\n");
55 bt_fprintf_format_list(fp);
56}
57
34ac0e6c 58static void usage(FILE *fp)
4c8bfb7e 59{
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60 fprintf(fp, "Babeltrace %u.%u\n\n", BABELTRACE_VERSION_MAJOR,
61 BABELTRACE_VERSION_MINOR);
62 fprintf(fp, "usage : babeltrace [OPTIONS] INPUT OUTPUT\n");
63 fprintf(fp, "\n");
64 fprintf(fp, " INPUT Input trace path\n");
65 fprintf(fp, " OUTPUT Output trace path\n");
66 fprintf(fp, "\n");
67 fprintf(fp, " -i, --input-format Input trace path\n");
68 fprintf(fp, " -o, --output-format Input trace path\n");
69 fprintf(fp, "\n");
70 fprintf(fp, " -h, --help This help message\n");
7fb21036 71 fprintf(fp, " -l, --list List available formats\n");
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72 fprintf(fp, " -v, --verbose Verbose mode\n");
73 fprintf(fp, " -d, --debug Debug mode\n");
7fb21036 74 list_formats(fp);
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75 fprintf(fp, "\n");
76}
77
78/*
79 * Return 0 if caller should continue, < 0 if caller should return
80 * error, > 0 if caller should exit without reporting error.
81 */
82static int parse_options(int argc, const char **argv)
83{
84 poptContext pc;
85 int opt, ret = 0;
86
87 pc = poptGetContext(NULL, argc, argv, long_options, 0);
88 poptReadDefaultConfig(pc, 0);
89
90 while ((opt = poptGetNextOpt(pc)) != -1) {
91 switch (opt) {
92 case OPT_HELP:
7fb21036 93 usage(stdout);
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94 ret = 1; /* exit cleanly */
95 goto end;
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96 case OPT_LIST:
97 list_formats(stdout);
98 ret = 1;
99 goto end;
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100 case OPT_VERBOSE:
101 babeltrace_verbose = 1;
102 break;
103 case OPT_DEBUG:
104 babeltrace_debug = 1;
105 break;
106 default:
107 ret = -EINVAL;
108 goto end;
109 }
110 }
111
112 opt_input_path = poptGetArg(pc);
113 if (!opt_input_path) {
114 ret = -EINVAL;
115 goto end;
116 }
117 opt_output_path = poptGetArg(pc);
118 if (!opt_output_path) {
119 ret = -EINVAL;
120 goto end;
121 }
122end:
123 if (pc) {
124 poptFreeContext(pc);
125 }
126 return ret;
127}
128
129int main(int argc, const char **argv)
130{
131 int ret;
132
133 ret = parse_options(argc, argv);
134 if (ret < 0) {
135 fprintf(stdout, "Error parsing options.\n");
136 usage(stdout);
137 exit(EXIT_FAILURE);
138 } else if (ret > 0) {
139 exit(EXIT_SUCCESS);
140 }
141 printf_verbose("Verbose mode active.\n");
142 printf_debug("Debug mode active.\n");
143
144 printf_verbose("Converting from file: %s\n", opt_input_path);
145 printf_verbose("Converting from format: %s\n",
146 opt_input_format ? : "<autodetect>");
147 printf_verbose("Converting to file: %s\n", opt_output_path);
148 printf_verbose("Converting to format: %s\n",
149 opt_output_format ? : "CTF");
150
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151 return 0;
152}
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