Commit | Line | Data |
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34ac0e6c MD |
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> |
34ac0e6c MD |
21 | #include <popt.h> |
22 | #include <errno.h> | |
23 | #include <stdlib.h> | |
bbefb8dd MD |
24 | #include <ctype.h> |
25 | #include <sys/stat.h> | |
26 | #include <sys/types.h> | |
27 | #include <fcntl.h> | |
4c8bfb7e | 28 | |
bbefb8dd MD |
29 | static char *opt_input_format; |
30 | static char *opt_output_format; | |
34ac0e6c MD |
31 | |
32 | static const char *opt_input_path; | |
33 | static const char *opt_output_path; | |
34 | ||
35 | int babeltrace_verbose, babeltrace_debug; | |
d63ca2cd | 36 | int opt_field_names; |
34ac0e6c | 37 | |
bbefb8dd MD |
38 | void strlower(char *str) |
39 | { | |
40 | while (*str) { | |
41 | *str = tolower(*str); | |
42 | str++; | |
43 | } | |
44 | } | |
45 | ||
34ac0e6c MD |
46 | enum { |
47 | OPT_NONE = 0, | |
48 | OPT_HELP, | |
7fb21036 | 49 | OPT_LIST, |
34ac0e6c MD |
50 | OPT_VERBOSE, |
51 | OPT_DEBUG, | |
d63ca2cd | 52 | OPT_NAMES, |
34ac0e6c MD |
53 | }; |
54 | ||
55 | static struct poptOption long_options[] = { | |
56 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
57 | { "input-format", 'i', POPT_ARG_STRING, &opt_input_format, OPT_NONE, NULL, NULL }, | |
58 | { "output-format", 'o', POPT_ARG_STRING, &opt_output_format, OPT_NONE, NULL, NULL }, | |
59 | { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL }, | |
7fb21036 | 60 | { "list", 'l', POPT_ARG_NONE, NULL, OPT_LIST, NULL, NULL }, |
34ac0e6c MD |
61 | { "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL }, |
62 | { "debug", 'd', POPT_ARG_NONE, NULL, OPT_DEBUG, NULL, NULL }, | |
d63ca2cd | 63 | { "names", 'n', POPT_ARG_NONE, NULL, OPT_NAMES, NULL, NULL }, |
34ac0e6c MD |
64 | { NULL, 0, 0, NULL, 0, NULL, NULL }, |
65 | }; | |
66 | ||
7fb21036 MD |
67 | static void list_formats(FILE *fp) |
68 | { | |
69 | fprintf(fp, "\n"); | |
70 | bt_fprintf_format_list(fp); | |
71 | } | |
72 | ||
34ac0e6c | 73 | static void usage(FILE *fp) |
4c8bfb7e | 74 | { |
0f980a35 MD |
75 | fprintf(fp, "BabelTrace Trace Converter %u.%u\n\n", |
76 | BABELTRACE_VERSION_MAJOR, | |
34ac0e6c | 77 | BABELTRACE_VERSION_MINOR); |
4d5678b9 | 78 | fprintf(fp, "usage : babeltrace [OPTIONS] INPUT <OUTPUT>\n"); |
34ac0e6c | 79 | fprintf(fp, "\n"); |
4d5678b9 MD |
80 | fprintf(fp, " INPUT Input trace path\n"); |
81 | fprintf(fp, " OUTPUT Output trace path (default: stdout)\n"); | |
34ac0e6c | 82 | fprintf(fp, "\n"); |
d2b8ea6b MD |
83 | fprintf(fp, " -i, --input-format FORMAT Input trace format (default: ctf)\n"); |
84 | fprintf(fp, " -o, --output-format FORMAT Output trace format (default: text)\n"); | |
34ac0e6c | 85 | fprintf(fp, "\n"); |
4d5678b9 MD |
86 | fprintf(fp, " -h, --help This help message\n"); |
87 | fprintf(fp, " -l, --list List available formats\n"); | |
88 | fprintf(fp, " -v, --verbose Verbose mode\n"); | |
89 | fprintf(fp, " -d, --debug Debug mode\n"); | |
d63ca2cd | 90 | fprintf(fp, " -n, --names Print field names\n"); |
7fb21036 | 91 | list_formats(fp); |
34ac0e6c MD |
92 | fprintf(fp, "\n"); |
93 | } | |
94 | ||
95 | /* | |
96 | * Return 0 if caller should continue, < 0 if caller should return | |
97 | * error, > 0 if caller should exit without reporting error. | |
98 | */ | |
bbefb8dd | 99 | static int parse_options(int argc, char **argv) |
34ac0e6c MD |
100 | { |
101 | poptContext pc; | |
102 | int opt, ret = 0; | |
103 | ||
0f980a35 MD |
104 | if (argc == 1) { |
105 | usage(stdout); | |
106 | return 1; /* exit cleanly */ | |
107 | } | |
108 | ||
bbefb8dd | 109 | pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0); |
34ac0e6c MD |
110 | poptReadDefaultConfig(pc, 0); |
111 | ||
112 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
113 | switch (opt) { | |
114 | case OPT_HELP: | |
7fb21036 | 115 | usage(stdout); |
34ac0e6c MD |
116 | ret = 1; /* exit cleanly */ |
117 | goto end; | |
7fb21036 MD |
118 | case OPT_LIST: |
119 | list_formats(stdout); | |
120 | ret = 1; | |
121 | goto end; | |
34ac0e6c MD |
122 | case OPT_VERBOSE: |
123 | babeltrace_verbose = 1; | |
124 | break; | |
125 | case OPT_DEBUG: | |
126 | babeltrace_debug = 1; | |
127 | break; | |
d63ca2cd MD |
128 | case OPT_NAMES: |
129 | opt_field_names = 1; | |
130 | break; | |
34ac0e6c MD |
131 | default: |
132 | ret = -EINVAL; | |
133 | goto end; | |
134 | } | |
135 | } | |
136 | ||
137 | opt_input_path = poptGetArg(pc); | |
138 | if (!opt_input_path) { | |
139 | ret = -EINVAL; | |
140 | goto end; | |
141 | } | |
142 | opt_output_path = poptGetArg(pc); | |
34ac0e6c MD |
143 | end: |
144 | if (pc) { | |
145 | poptFreeContext(pc); | |
146 | } | |
147 | return ret; | |
148 | } | |
149 | ||
bbefb8dd | 150 | int main(int argc, char **argv) |
34ac0e6c MD |
151 | { |
152 | int ret; | |
bbefb8dd MD |
153 | struct format *fmt_read, *fmt_write; |
154 | struct trace_descriptor *td_read, *td_write; | |
34ac0e6c MD |
155 | |
156 | ret = parse_options(argc, argv); | |
157 | if (ret < 0) { | |
bbefb8dd | 158 | fprintf(stdout, "Error parsing options.\n\n"); |
34ac0e6c MD |
159 | usage(stdout); |
160 | exit(EXIT_FAILURE); | |
161 | } else if (ret > 0) { | |
162 | exit(EXIT_SUCCESS); | |
163 | } | |
164 | printf_verbose("Verbose mode active.\n"); | |
165 | printf_debug("Debug mode active.\n"); | |
166 | ||
bbefb8dd MD |
167 | if (opt_input_format) |
168 | strlower(opt_input_format); | |
169 | if (opt_output_format) | |
170 | strlower(opt_output_format); | |
171 | ||
34ac0e6c MD |
172 | printf_verbose("Converting from file: %s\n", opt_input_path); |
173 | printf_verbose("Converting from format: %s\n", | |
b61922b5 | 174 | opt_input_format ? : "ctf <default>"); |
478b6389 MD |
175 | printf_verbose("Converting to file: %s\n", |
176 | opt_output_path ? : "<stdout>"); | |
34ac0e6c | 177 | printf_verbose("Converting to format: %s\n", |
b61922b5 | 178 | opt_output_format ? : "text <default>"); |
bbefb8dd | 179 | |
b61922b5 MD |
180 | if (!opt_input_format) |
181 | opt_input_format = "ctf"; | |
182 | if (!opt_output_format) | |
183 | opt_output_format = "text"; | |
bbefb8dd MD |
184 | fmt_read = bt_lookup_format(g_quark_from_static_string(opt_input_format)); |
185 | if (!fmt_read) { | |
c8b219a3 | 186 | fprintf(stdout, "[error] Format \"%s\" is not supported.\n\n", |
bbefb8dd MD |
187 | opt_input_format); |
188 | exit(EXIT_FAILURE); | |
189 | } | |
190 | if (!opt_output_format) | |
191 | opt_output_format = "ctf"; | |
192 | fmt_write = bt_lookup_format(g_quark_from_static_string(opt_output_format)); | |
193 | if (!fmt_write) { | |
c8b219a3 | 194 | fprintf(stdout, "[error] format \"%s\" is not supported.\n\n", |
bbefb8dd MD |
195 | opt_output_format); |
196 | exit(EXIT_FAILURE); | |
197 | } | |
198 | ||
199 | td_read = fmt_read->open_trace(opt_input_path, O_RDONLY); | |
200 | if (!td_read) { | |
c8b219a3 | 201 | fprintf(stdout, "[error] opening trace \"%s\" for reading.\n\n", |
bbefb8dd MD |
202 | opt_input_path); |
203 | goto error_td_read; | |
204 | } | |
205 | ||
989c73bc | 206 | td_write = fmt_write->open_trace(opt_output_path, O_RDWR); |
bbefb8dd MD |
207 | if (!td_write) { |
208 | fprintf(stdout, "Error opening trace \"%s\" for writing.\n\n", | |
b61922b5 | 209 | opt_output_path ? : "<none>"); |
bbefb8dd MD |
210 | goto error_td_write; |
211 | } | |
847bf71a MD |
212 | |
213 | ret = convert_trace(td_write, td_read); | |
46322b33 MD |
214 | if (ret) { |
215 | fprintf(stdout, "Error printing trace.\n\n"); | |
216 | goto error_copy_trace; | |
217 | } | |
847bf71a | 218 | |
bbefb8dd MD |
219 | fmt_write->close_trace(td_write); |
220 | fmt_read->close_trace(td_read); | |
221 | exit(EXIT_SUCCESS); | |
34ac0e6c | 222 | |
bbefb8dd | 223 | /* Error handling */ |
46322b33 | 224 | error_copy_trace: |
bbefb8dd MD |
225 | fmt_write->close_trace(td_write); |
226 | error_td_write: | |
227 | fmt_read->close_trace(td_read); | |
228 | error_td_read: | |
229 | exit(EXIT_FAILURE); | |
4c8bfb7e | 230 | } |