[babeltrace.git] / converter / babeltrace.c

/*
 * babeltrace.c
 *
 * Babeltrace Trace Converter
 *
 * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 */

#include <babeltrace/babeltrace.h>
#include <babeltrace/format.h>
#include <popt.h>
#include <errno.h>
#include <stdlib.h>
#include <ctype.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>

static char *opt_input_format;
static char *opt_output_format;

static const char *opt_input_path;
static const char *opt_output_path;

int babeltrace_verbose, babeltrace_debug;
int opt_field_names;

void strlower(char *str)
{
	while (*str) {
		*str = tolower(*str);
		str++;
	}
}

enum {
	OPT_NONE = 0,
	OPT_HELP,
	OPT_LIST,
	OPT_VERBOSE,
	OPT_DEBUG,
	OPT_NAMES,
};

static struct poptOption long_options[] = {
	/* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
	{ "input-format", 'i', POPT_ARG_STRING, &opt_input_format, OPT_NONE, NULL, NULL },
	{ "output-format", 'o', POPT_ARG_STRING, &opt_output_format, OPT_NONE, NULL, NULL },
	{ "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
	{ "list", 'l', POPT_ARG_NONE, NULL, OPT_LIST, NULL, NULL },
	{ "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL },
	{ "debug", 'd', POPT_ARG_NONE, NULL, OPT_DEBUG, NULL, NULL },
	{ "names", 'n', POPT_ARG_NONE, NULL, OPT_NAMES, NULL, NULL },
	{ NULL, 0, 0, NULL, 0, NULL, NULL },
};

static void list_formats(FILE *fp)
{
	fprintf(fp, "\n");
	bt_fprintf_format_list(fp);
}

static void usage(FILE *fp)
{
	fprintf(fp, "BabelTrace Trace Converter %u.%u\n\n",
		BABELTRACE_VERSION_MAJOR,
		BABELTRACE_VERSION_MINOR);
	fprintf(fp, "usage : babeltrace [OPTIONS] INPUT <OUTPUT>\n");
	fprintf(fp, "\n");
	fprintf(fp, "  INPUT                          Input trace path\n");
	fprintf(fp, "  OUTPUT                         Output trace path (default: stdout)\n");
	fprintf(fp, "\n");
	fprintf(fp, "  -i, --input-format FORMAT      Input trace format (default: ctf)\n");
	fprintf(fp, "  -o, --output-format FORMAT     Output trace format (default: text)\n");
	fprintf(fp, "\n");
	fprintf(fp, "  -h, --help                     This help message\n");
	fprintf(fp, "  -l, --list                     List available formats\n");
	fprintf(fp, "  -v, --verbose                  Verbose mode\n");
	fprintf(fp, "  -d, --debug                    Debug mode\n");
	fprintf(fp, "  -n, --names                    Print field names\n");
	list_formats(fp);
	fprintf(fp, "\n");
}

/*
 * Return 0 if caller should continue, < 0 if caller should return
 * error, > 0 if caller should exit without reporting error.
 */
static int parse_options(int argc, char **argv)
{
	poptContext pc;
	int opt, ret = 0;

	if (argc == 1) {
		usage(stdout);
		return 1;	/* exit cleanly */
	}

	pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0);
	poptReadDefaultConfig(pc, 0);

	while ((opt = poptGetNextOpt(pc)) != -1) {
		switch (opt) {
		case OPT_HELP:
			usage(stdout);
			ret = 1;	/* exit cleanly */
			goto end;
		case OPT_LIST:
			list_formats(stdout);
			ret = 1;
			goto end;
		case OPT_VERBOSE:
			babeltrace_verbose = 1;
			break;
		case OPT_DEBUG:
			babeltrace_debug = 1;
			break;
		case OPT_NAMES:
			opt_field_names = 1;
			break;
		default:
			ret = -EINVAL;
			goto end;
		}
	}

	opt_input_path = poptGetArg(pc);
	if (!opt_input_path) {
		ret = -EINVAL;
		goto end;
	}
	opt_output_path = poptGetArg(pc);
end:
	if (pc) {
		poptFreeContext(pc);
	}
	return ret;
}

int main(int argc, char **argv)
{
	int ret;
	struct format *fmt_read, *fmt_write;
	struct trace_descriptor *td_read, *td_write;

	ret = parse_options(argc, argv);
	if (ret < 0) {
		fprintf(stdout, "Error parsing options.\n\n");
		usage(stdout);
		exit(EXIT_FAILURE);
	} else if (ret > 0) {
		exit(EXIT_SUCCESS);
	}
	printf_verbose("Verbose mode active.\n");
	printf_debug("Debug mode active.\n");

	if (opt_input_format)
		strlower(opt_input_format);
	if (opt_output_format)
		strlower(opt_output_format);

	printf_verbose("Converting from file: %s\n", opt_input_path);
	printf_verbose("Converting from format: %s\n",
		opt_input_format ? : "ctf <default>");
	printf_verbose("Converting to file: %s\n",
		opt_output_path ? : "<stdout>");
	printf_verbose("Converting to format: %s\n",
		opt_output_format ? : "text <default>");

	if (!opt_input_format)
		opt_input_format = "ctf";
	if (!opt_output_format)
		opt_output_format = "text";
	fmt_read = bt_lookup_format(g_quark_from_static_string(opt_input_format));
	if (!fmt_read) {
		fprintf(stdout, "[error] Format \"%s\" is not supported.\n\n",
			opt_input_format);
		exit(EXIT_FAILURE);
	}
	if (!opt_output_format)
		opt_output_format = "ctf";
	fmt_write = bt_lookup_format(g_quark_from_static_string(opt_output_format));
	if (!fmt_write) {
		fprintf(stdout, "[error] format \"%s\" is not supported.\n\n",
			opt_output_format);
		exit(EXIT_FAILURE);
	}

	td_read = fmt_read->open_trace(opt_input_path, O_RDONLY);
	if (!td_read) {
		fprintf(stdout, "[error] opening trace \"%s\" for reading.\n\n",
			opt_input_path);
		goto error_td_read;
	}

	td_write = fmt_write->open_trace(opt_output_path, O_RDWR);
	if (!td_write) {
		fprintf(stdout, "Error opening trace \"%s\" for writing.\n\n",
			opt_output_path ? : "<none>");
		goto error_td_write;
	}

	ret = convert_trace(td_write, td_read);
	if (ret) {
		fprintf(stdout, "Error printing trace.\n\n");
		goto error_copy_trace;
	}

	fmt_write->close_trace(td_write);
	fmt_read->close_trace(td_read);
	exit(EXIT_SUCCESS);

	/* Error handling */
error_copy_trace:
	fmt_write->close_trace(td_write);
error_td_write:
	fmt_read->close_trace(td_read);
error_td_read:
	exit(EXIT_FAILURE);
}
Commit	Line	Data
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;
bbefb8dd MD	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,
34ac0e6c MD	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 },
34ac0e6c MD	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",
0f980a35 MD	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");
4d5678b9 MD	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");
d2b8ea6b MD	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 */
34ac0e6c MD	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	{
34ac0e6c MD	152	int ret;
bbefb8dd MD	153	struct format fmt_read, fmt_write;
bbefb8dd MD	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);
34ac0e6c MD	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",
478b6389 MD	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));
bbefb8dd MD	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) {
bbefb8dd MD	208	fprintf(stdout, "Error opening trace \"%s\" for writing.\n\n",
b61922b5	209	opt_output_path ? : "<none>");
bbefb8dd MD	210	goto error_td_write;
bbefb8dd MD	211	}
847bf71a MD	212
847bf71a MD	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	}