[babeltrace.git] / converter / babeltrace.c

/*
 * babeltrace.c
 *
 * Babeltrace Trace Converter
 *
 * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
 *
 * Author: 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.
 */

#define _XOPEN_SOURCE 700
#include <config.h>
#include <babeltrace/babeltrace.h>
#include <babeltrace/format.h>
#include <babeltrace/context.h>
#include <babeltrace/ctf/types.h>
#include <babeltrace/ctf-text/types.h>
#include <babeltrace/iterator.h>
#include <popt.h>
#include <errno.h>
#include <stdlib.h>
#include <ctype.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <ftw.h>
#include <dirent.h>
#include <unistd.h>
#include <inttypes.h>

#include <babeltrace/ctf-ir/metadata.h>	/* for clocks */

#define DEFAULT_FILE_ARRAY_SIZE	1
static char *opt_input_format;
static char *opt_output_format;

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

static struct format *fmt_read;

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

enum {
	OPT_NONE = 0,
	OPT_HELP,
	OPT_LIST,
	OPT_VERBOSE,
	OPT_DEBUG,
	OPT_NAMES,
	OPT_FIELDS,
	OPT_NO_DELTA,
	OPT_CLOCK_OFFSET,
	OPT_CLOCK_RAW,
	OPT_CLOCK_SECONDS,
	OPT_CLOCK_DATE,
	OPT_CLOCK_GMT,
};

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_STRING, NULL, OPT_NAMES, NULL, NULL },
	{ "fields", 'f', POPT_ARG_STRING, NULL, OPT_FIELDS, NULL, NULL },
	{ "no-delta", 0, POPT_ARG_NONE, NULL, OPT_NO_DELTA, NULL, NULL },
	{ "clock-offset", 0, POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET, NULL, NULL },
	{ "clock-raw", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_RAW, NULL, NULL },
	{ "clock-seconds", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_SECONDS, NULL, NULL },
	{ "clock-date", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_DATE, NULL, NULL },
	{ "clock-gmt", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_GMT, 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 Viewer and Converter %s\n\n", VERSION);
	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, "                                 (or set BABELTRACE_VERBOSE environment variable)\n");
	fprintf(fp, "  -d, --debug                    Debug mode\n");
	fprintf(fp, "                                 (or set BABELTRACE_DEBUG environment variable)\n");
	fprintf(fp, "      --no-delta                 Do not print time delta between consecutive events\n");
	fprintf(fp, "  -n, --names name1<,name2,...>  Print field names:\n");
	fprintf(fp, "                                     (payload OR args OR arg)\n");
	fprintf(fp, "                                     all, scope, header, (context OR ctx)\n");
	fprintf(fp, "                                        (payload active by default)\n");
	fprintf(fp, "  -f, --fields name1<,name2,...> Print additional fields:\n");
	fprintf(fp, "                                     all, trace, trace:domain, trace:procname,\n");
	fprintf(fp, "                                     trace:vpid, loglevel.\n");
	fprintf(fp, "      --clock-raw                Disregard internal clock offset (use raw value)\n");
	fprintf(fp, "      --clock-offset seconds     Clock offset in seconds\n");
	fprintf(fp, "      --clock-seconds            Print the timestamps as [sec.ns]\n");
	fprintf(fp, "                                 (default is: [hh:mm:ss.ns])\n");
	fprintf(fp, "      --clock-date               Print clock date\n");
	fprintf(fp, "      --clock-gmt                Print clock in GMT time zone (default: local time zone)\n");
	list_formats(fp);
	fprintf(fp, "\n");
}

static int get_names_args(poptContext *pc)
{
	char *str, *strlist, *strctx;

	opt_payload_field_names = 0;
	strlist = (char *) poptGetOptArg(*pc);
	if (!strlist) {
		return -EINVAL;
	}
	str = strtok_r(strlist, ",", &strctx);
	do {
		if (!strcmp(str, "all"))
			opt_all_field_names = 1;
		else if (!strcmp(str, "scope"))
			opt_scope_field_names = 1;
		else if (!strcmp(str, "context") || !strcmp(str, "ctx"))
			opt_context_field_names = 1;
		else if (!strcmp(str, "header"))
			opt_header_field_names = 1;
		else if (!strcmp(str, "payload") || !strcmp(str, "args") || !strcmp(str, "arg"))
			opt_payload_field_names = 1;
		else {
			fprintf(stderr, "[error] unknown field name type %s\n", str);
			return -EINVAL;
		}
	} while ((str = strtok_r(NULL, ",", &strctx)));
	return 0;
}

static int get_fields_args(poptContext *pc)
{
	char *str, *strlist, *strctx;

	strlist = (char *) poptGetOptArg(*pc);
	if (!strlist) {
		return -EINVAL;
	}
	str = strtok_r(strlist, ",", &strctx);
	do {
		if (!strcmp(str, "all"))
			opt_all_fields = 1;
		else if (!strcmp(str, "trace"))
			opt_trace_field = 1;
		else if (!strcmp(str, "trace:domain"))
			opt_trace_domain_field = 1;
		else if (!strcmp(str, "trace:procname"))
			opt_trace_procname_field = 1;
		else if (!strcmp(str, "trace:vpid"))
			opt_trace_vpid_field = 1;
		else if (!strcmp(str, "loglevel"))
			opt_loglevel_field = 1;
		else {
			fprintf(stderr, "[error] unknown field type %s\n", str);
			return -EINVAL;
		}
	} while ((str = strtok_r(NULL, ",", &strctx)));
	return 0;
}

/*
 * 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);

	/* set default */
	opt_payload_field_names = 1;

	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_NAMES:
			if (get_names_args(&pc)) {
				ret = -EINVAL;
				goto end;
			}
			break;
		case OPT_FIELDS:
			if (get_fields_args(&pc)) {
				ret = -EINVAL;
				goto end;
			}
			break;
		case OPT_DEBUG:
			babeltrace_debug = 1;
			break;
		case OPT_NO_DELTA:
			opt_delta_field = 0;
			break;
		case OPT_CLOCK_RAW:
			opt_clock_raw = 1;
			break;
		case OPT_CLOCK_OFFSET:
		{
			char *str, *endptr;

			str = poptGetOptArg(pc);
			if (!str) {
				fprintf(stderr, "[error] Missing --clock-offset argument\n");
				ret = -EINVAL;
				goto end;
			}
			errno = 0;
			opt_clock_offset = strtoull(str, &endptr, 0);
			if (*endptr != '\0' || str == endptr || errno != 0) {
				fprintf(stderr, "[error] Incorrect --clock-offset argument: %s\n", str);
				ret = -EINVAL;
				goto end;
			}
			break;
		}
		case OPT_CLOCK_SECONDS:
			opt_clock_seconds = 1;
			break;
		case OPT_CLOCK_DATE:
			opt_clock_date = 1;
			break;
		case OPT_CLOCK_GMT:
			opt_clock_gmt = 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 convert_trace(struct trace_descriptor *td_write,
		  struct bt_context *ctx)
{
	struct bt_iter *iter;
	struct ctf_stream *stream;
	struct ctf_stream_event *event;
	struct ctf_text_stream_pos *sout;
	struct bt_iter_pos begin_pos;
	int ret;

	sout = container_of(td_write, struct ctf_text_stream_pos,
			trace_descriptor);

	begin_pos.type = BT_SEEK_BEGIN;
	iter = bt_iter_create(ctx, &begin_pos, NULL);
	if (!iter) {
		ret = -1;
		goto error_iter;
	}
	while (bt_iter_read_event(iter, &stream, &event) == 0) {
		ret = sout->parent.event_cb(&sout->parent, stream);
		if (ret) {
			fprintf(stderr, "[error] Writing event failed.\n");
			goto end;
		}
		ret = bt_iter_next(iter);
		if (ret < 0)
			goto end;
	}
	ret = 0;

end:
	bt_iter_destroy(iter);
error_iter:
	return ret;
}

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

	ret = parse_options(argc, argv);
	if (ret < 0) {
		fprintf(stderr, "Error parsing options.\n\n");
		usage(stderr);
		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 directory: %s\n", opt_input_path);
	printf_verbose("Converting from format: %s\n",
		opt_input_format ? : "ctf <default>");
	printf_verbose("Converting to directory: %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(stderr, "[error] Format \"%s\" is not supported.\n\n",
			opt_input_format);
		exit(EXIT_FAILURE);
	}
	fmt_write = bt_lookup_format(g_quark_from_static_string(opt_output_format));
	if (!fmt_write) {
		fprintf(stderr, "[error] format \"%s\" is not supported.\n\n",
			opt_output_format);
		exit(EXIT_FAILURE);
	}

	ctx = bt_context_create();

	ret = bt_context_add_traces(ctx, opt_input_path,
			opt_input_format);
	if (ret) {
		fprintf(stderr, "[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, NULL, NULL);
	if (!td_write) {
		fprintf(stderr, "Error opening trace \"%s\" for writing.\n\n",
			opt_output_path ? : "<none>");
		goto error_td_write;
	}

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

	fmt_write->close_trace(td_write);

	bt_context_put(ctx);
	printf_verbose("finished converting. Output written to:\n%s\n",
			opt_output_path ? : "<stdout>");
	exit(EXIT_SUCCESS);

	/* Error handling */
error_copy_trace:
	fmt_write->close_trace(td_write);
error_td_write:
	bt_context_put(ctx);
error_td_read:
	exit(EXIT_FAILURE);
}
Commit	Line	Data
34ac0e6c MD	1	/*
	2	* babeltrace.c
	3	*
	4	* Babeltrace Trace Converter
	5	*
64fa3fec MD	6	* Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
	7	*
	8	* Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
34ac0e6c MD	9	*
	10	* Permission is hereby granted, free of charge, to any person obtaining a copy
	11	* of this software and associated documentation files (the "Software"), to deal
	12	* in the Software without restriction, including without limitation the rights
	13	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	14	* copies of the Software, and to permit persons to whom the Software is
	15	* furnished to do so, subject to the following conditions:
	16	*
	17	* The above copyright notice and this permission notice shall be included in
	18	* all copies or substantial portions of the Software.
	19	*/
4c8bfb7e	20
afb48eae	21	#define _XOPEN_SOURCE 700
00f7fbf0	22	#include <config.h>
95d36295	23	#include <babeltrace/babeltrace.h>
7fb21036	24	#include <babeltrace/format.h>
95d36295 JD	25	#include <babeltrace/context.h>
95d36295 JD	26	#include <babeltrace/ctf/types.h>
31bdef5c	27	#include <babeltrace/ctf-text/types.h>
6204d33c	28	#include <babeltrace/iterator.h>
34ac0e6c MD	29	#include <popt.h>
	30	#include <errno.h>
	31	#include <stdlib.h>
bbefb8dd MD	32	#include <ctype.h>
	33	#include <sys/stat.h>
	34	#include <sys/types.h>
	35	#include <fcntl.h>
afb48eae AA	36	#include <ftw.h>
	37	#include <dirent.h>
	38	#include <unistd.h>
70accc14	39	#include <inttypes.h>
4c8bfb7e	40
a44bc4c9 MD	41	#include <babeltrace/ctf-ir/metadata.h> /* for clocks */
a44bc4c9 MD	42
afb48eae	43	#define DEFAULT_FILE_ARRAY_SIZE 1
bbefb8dd MD	44	static char *opt_input_format;
bbefb8dd MD	45	static char *opt_output_format;
34ac0e6c MD	46
	47	static const char *opt_input_path;
	48	static const char *opt_output_path;
	49
afb48eae AA	50	static struct format *fmt_read;
afb48eae AA	51
bbefb8dd MD	52	void strlower(char *str)
	53	{
	54	while (*str) {
	55	str = tolower(str);
	56	str++;
	57	}
	58	}
	59
34ac0e6c MD	60	enum {
	61	OPT_NONE = 0,
	62	OPT_HELP,
7fb21036	63	OPT_LIST,
34ac0e6c MD	64	OPT_VERBOSE,
34ac0e6c MD	65	OPT_DEBUG,
d63ca2cd	66	OPT_NAMES,
359d7456	67	OPT_FIELDS,
8d8ed9af	68	OPT_NO_DELTA,
11ac6674 MD	69	OPT_CLOCK_OFFSET,
	70	OPT_CLOCK_RAW,
	71	OPT_CLOCK_SECONDS,
	72	OPT_CLOCK_DATE,
	73	OPT_CLOCK_GMT,
34ac0e6c MD	74	};
	75
	76	static struct poptOption long_options[] = {
	77	/* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
	78	{ "input-format", 'i', POPT_ARG_STRING, &opt_input_format, OPT_NONE, NULL, NULL },
	79	{ "output-format", 'o', POPT_ARG_STRING, &opt_output_format, OPT_NONE, NULL, NULL },
	80	{ "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
7fb21036	81	{ "list", 'l', POPT_ARG_NONE, NULL, OPT_LIST, NULL, NULL },
34ac0e6c MD	82	{ "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL },
34ac0e6c MD	83	{ "debug", 'd', POPT_ARG_NONE, NULL, OPT_DEBUG, NULL, NULL },
cba1661c	84	{ "names", 'n', POPT_ARG_STRING, NULL, OPT_NAMES, NULL, NULL },
359d7456	85	{ "fields", 'f', POPT_ARG_STRING, NULL, OPT_FIELDS, NULL, NULL },
8d8ed9af	86	{ "no-delta", 0, POPT_ARG_NONE, NULL, OPT_NO_DELTA, NULL, NULL },
11ac6674 MD	87	{ "clock-offset", 0, POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET, NULL, NULL },
	88	{ "clock-raw", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_RAW, NULL, NULL },
	89	{ "clock-seconds", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_SECONDS, NULL, NULL },
	90	{ "clock-date", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_DATE, NULL, NULL },
	91	{ "clock-gmt", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_GMT, NULL, NULL },
34ac0e6c MD	92	{ NULL, 0, 0, NULL, 0, NULL, NULL },
	93	};
	94
7fb21036 MD	95	static void list_formats(FILE *fp)
	96	{
	97	fprintf(fp, "\n");
	98	bt_fprintf_format_list(fp);
	99	}
	100
34ac0e6c	101	static void usage(FILE *fp)
4c8bfb7e	102	{
4c15b06b	103	fprintf(fp, "BabelTrace Trace Viewer and Converter %s\n\n", VERSION);
4d5678b9	104	fprintf(fp, "usage : babeltrace [OPTIONS] INPUT <OUTPUT>\n");
34ac0e6c	105	fprintf(fp, "\n");
4d5678b9 MD	106	fprintf(fp, " INPUT Input trace path\n");
4d5678b9 MD	107	fprintf(fp, " OUTPUT Output trace path (default: stdout)\n");
34ac0e6c	108	fprintf(fp, "\n");
d2b8ea6b MD	109	fprintf(fp, " -i, --input-format FORMAT Input trace format (default: ctf)\n");
d2b8ea6b MD	110	fprintf(fp, " -o, --output-format FORMAT Output trace format (default: text)\n");
34ac0e6c	111	fprintf(fp, "\n");
4d5678b9 MD	112	fprintf(fp, " -h, --help This help message\n");
	113	fprintf(fp, " -l, --list List available formats\n");
	114	fprintf(fp, " -v, --verbose Verbose mode\n");
cba1661c	115	fprintf(fp, " (or set BABELTRACE_VERBOSE environment variable)\n");
4d5678b9	116	fprintf(fp, " -d, --debug Debug mode\n");
cba1661c	117	fprintf(fp, " (or set BABELTRACE_DEBUG environment variable)\n");
8d8ed9af	118	fprintf(fp, " --no-delta Do not print time delta between consecutive events\n");
359d7456	119	fprintf(fp, " -n, --names name1<,name2,...> Print field names:\n");
82662ad4 MD	120	fprintf(fp, " (payload OR args OR arg)\n");
82662ad4 MD	121	fprintf(fp, " all, scope, header, (context OR ctx)\n");
cba1661c	122	fprintf(fp, " (payload active by default)\n");
359d7456 MD	123	fprintf(fp, " -f, --fields name1<,name2,...> Print additional fields:\n");
	124	fprintf(fp, " all, trace, trace:domain, trace:procname,\n");
	125	fprintf(fp, " trace:vpid, loglevel.\n");
11ac6674 MD	126	fprintf(fp, " --clock-raw Disregard internal clock offset (use raw value)\n");
	127	fprintf(fp, " --clock-offset seconds Clock offset in seconds\n");
	128	fprintf(fp, " --clock-seconds Print the timestamps as [sec.ns]\n");
	129	fprintf(fp, " (default is: [hh:mm:ss.ns])\n");
	130	fprintf(fp, " --clock-date Print clock date\n");
	131	fprintf(fp, " --clock-gmt Print clock in GMT time zone (default: local time zone)\n");
7fb21036	132	list_formats(fp);
34ac0e6c MD	133	fprintf(fp, "\n");
	134	}
	135
cba1661c MD	136	static int get_names_args(poptContext *pc)
	137	{
	138	char str, strlist, *strctx;
	139
	140	opt_payload_field_names = 0;
	141	strlist = (char ) poptGetOptArg(pc);
	142	if (!strlist) {
	143	return -EINVAL;
	144	}
	145	str = strtok_r(strlist, ",", &strctx);
	146	do {
	147	if (!strcmp(str, "all"))
	148	opt_all_field_names = 1;
	149	else if (!strcmp(str, "scope"))
	150	opt_scope_field_names = 1;
	151	else if (!strcmp(str, "context") \|\| !strcmp(str, "ctx"))
	152	opt_context_field_names = 1;
	153	else if (!strcmp(str, "header"))
	154	opt_header_field_names = 1;
	155	else if (!strcmp(str, "payload") \|\| !strcmp(str, "args") \|\| !strcmp(str, "arg"))
	156	opt_payload_field_names = 1;
359d7456 MD	157	else {
	158	fprintf(stderr, "[error] unknown field name type %s\n", str);
	159	return -EINVAL;
	160	}
	161	} while ((str = strtok_r(NULL, ",", &strctx)));
	162	return 0;
	163	}
	164
	165	static int get_fields_args(poptContext *pc)
	166	{
	167	char str, strlist, *strctx;
	168
359d7456 MD	169	strlist = (char ) poptGetOptArg(pc);
	170	if (!strlist) {
	171	return -EINVAL;
	172	}
	173	str = strtok_r(strlist, ",", &strctx);
	174	do {
	175	if (!strcmp(str, "all"))
	176	opt_all_fields = 1;
82662ad4	177	else if (!strcmp(str, "trace"))
359d7456	178	opt_trace_field = 1;
8c250d87	179	else if (!strcmp(str, "trace:domain"))
359d7456	180	opt_trace_domain_field = 1;
8c250d87	181	else if (!strcmp(str, "trace:procname"))
359d7456	182	opt_trace_procname_field = 1;
8c250d87	183	else if (!strcmp(str, "trace:vpid"))
359d7456	184	opt_trace_vpid_field = 1;
d86d62f8	185	else if (!strcmp(str, "loglevel"))
359d7456	186	opt_loglevel_field = 1;
cba1661c	187	else {
359d7456	188	fprintf(stderr, "[error] unknown field type %s\n", str);
cba1661c MD	189	return -EINVAL;
	190	}
	191	} while ((str = strtok_r(NULL, ",", &strctx)));
	192	return 0;
	193	}
	194
34ac0e6c MD	195	/*
	196	* Return 0 if caller should continue, < 0 if caller should return
	197	* error, > 0 if caller should exit without reporting error.
	198	*/
bbefb8dd	199	static int parse_options(int argc, char **argv)
34ac0e6c MD	200	{
	201	poptContext pc;
	202	int opt, ret = 0;
	203
0f980a35 MD	204	if (argc == 1) {
	205	usage(stdout);
	206	return 1; /* exit cleanly */
	207	}
	208
bbefb8dd	209	pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0);
34ac0e6c MD	210	poptReadDefaultConfig(pc, 0);
34ac0e6c MD	211
cba1661c MD	212	/* set default */
	213	opt_payload_field_names = 1;
	214
34ac0e6c MD	215	while ((opt = poptGetNextOpt(pc)) != -1) {
	216	switch (opt) {
	217	case OPT_HELP:
7fb21036	218	usage(stdout);
34ac0e6c MD	219	ret = 1; /* exit cleanly */
34ac0e6c MD	220	goto end;
7fb21036 MD	221	case OPT_LIST:
	222	list_formats(stdout);
	223	ret = 1;
	224	goto end;
34ac0e6c MD	225	case OPT_VERBOSE:
	226	babeltrace_verbose = 1;
	227	break;
cba1661c MD	228	case OPT_NAMES:
	229	if (get_names_args(&pc)) {
	230	ret = -EINVAL;
	231	goto end;
	232	}
	233	break;
359d7456 MD	234	case OPT_FIELDS:
	235	if (get_fields_args(&pc)) {
	236	ret = -EINVAL;
	237	goto end;
	238	}
	239	break;
34ac0e6c MD	240	case OPT_DEBUG:
	241	babeltrace_debug = 1;
	242	break;
8d8ed9af	243	case OPT_NO_DELTA:
359d7456	244	opt_delta_field = 0;
8d8ed9af	245	break;
11ac6674 MD	246	case OPT_CLOCK_RAW:
	247	opt_clock_raw = 1;
	248	break;
	249	case OPT_CLOCK_OFFSET:
	250	{
	251	char str, endptr;
	252
	253	str = poptGetOptArg(pc);
	254	if (!str) {
	255	fprintf(stderr, "[error] Missing --clock-offset argument\n");
	256	ret = -EINVAL;
	257	goto end;
	258	}
	259	errno = 0;
	260	opt_clock_offset = strtoull(str, &endptr, 0);
	261	if (*endptr != '\0' \|\| str == endptr \|\| errno != 0) {
	262	fprintf(stderr, "[error] Incorrect --clock-offset argument: %s\n", str);
	263	ret = -EINVAL;
	264	goto end;
	265	}
	266	break;
	267	}
	268	case OPT_CLOCK_SECONDS:
	269	opt_clock_seconds = 1;
	270	break;
	271	case OPT_CLOCK_DATE:
	272	opt_clock_date = 1;
	273	break;
	274	case OPT_CLOCK_GMT:
	275	opt_clock_gmt = 1;
	276	break;
	277
34ac0e6c MD	278	default:
	279	ret = -EINVAL;
	280	goto end;
	281	}
	282	}
	283
	284	opt_input_path = poptGetArg(pc);
	285	if (!opt_input_path) {
	286	ret = -EINVAL;
	287	goto end;
	288	}
	289	opt_output_path = poptGetArg(pc);
cba1661c	290
34ac0e6c MD	291	end:
	292	if (pc) {
	293	poptFreeContext(pc);
	294	}
	295	return ret;
	296	}
	297
afb48eae	298
a44bc4c9	299
a44bc4c9	300
afb48eae	301
95d36295 JD	302	int convert_trace(struct trace_descriptor *td_write,
	303	struct bt_context *ctx)
	304	{
e8c92a62	305	struct bt_iter *iter;
95d36295 JD	306	struct ctf_stream *stream;
	307	struct ctf_stream_event *event;
	308	struct ctf_text_stream_pos *sout;
e8c92a62	309	struct bt_iter_pos begin_pos;
95d36295 JD	310	int ret;
	311
	312	sout = container_of(td_write, struct ctf_text_stream_pos,
	313	trace_descriptor);
	314
	315	begin_pos.type = BT_SEEK_BEGIN;
e8c92a62	316	iter = bt_iter_create(ctx, &begin_pos, NULL);
95d36295 JD	317	if (!iter) {
	318	ret = -1;
	319	goto error_iter;
	320	}
e8c92a62	321	while (bt_iter_read_event(iter, &stream, &event) == 0) {
95d36295 JD	322	ret = sout->parent.event_cb(&sout->parent, stream);
95d36295 JD	323	if (ret) {
3394d22e	324	fprintf(stderr, "[error] Writing event failed.\n");
95d36295 JD	325	goto end;
95d36295 JD	326	}
e8c92a62	327	ret = bt_iter_next(iter);
95d36295 JD	328	if (ret < 0)
	329	goto end;
	330	}
	331	ret = 0;
	332
	333	end:
e8c92a62	334	bt_iter_destroy(iter);
95d36295 JD	335	error_iter:
	336	return ret;
	337	}
	338
bbefb8dd	339	int main(int argc, char **argv)
34ac0e6c MD	340	{
34ac0e6c MD	341	int ret;
afb48eae AA	342	struct format *fmt_write;
afb48eae AA	343	struct trace_descriptor *td_write;
95d36295	344	struct bt_context *ctx;
34ac0e6c MD	345
	346	ret = parse_options(argc, argv);
	347	if (ret < 0) {
3394d22e MD	348	fprintf(stderr, "Error parsing options.\n\n");
3394d22e MD	349	usage(stderr);
34ac0e6c MD	350	exit(EXIT_FAILURE);
	351	} else if (ret > 0) {
	352	exit(EXIT_SUCCESS);
	353	}
	354	printf_verbose("Verbose mode active.\n");
	355	printf_debug("Debug mode active.\n");
	356
bbefb8dd MD	357	if (opt_input_format)
	358	strlower(opt_input_format);
	359	if (opt_output_format)
	360	strlower(opt_output_format);
	361
afb48eae	362	printf_verbose("Converting from directory: %s\n", opt_input_path);
34ac0e6c	363	printf_verbose("Converting from format: %s\n",
b61922b5	364	opt_input_format ? : "ctf <default>");
afb48eae	365	printf_verbose("Converting to directory: %s\n",
478b6389	366	opt_output_path ? : "<stdout>");
34ac0e6c	367	printf_verbose("Converting to format: %s\n",
b61922b5	368	opt_output_format ? : "text <default>");
bbefb8dd	369
b61922b5 MD	370	if (!opt_input_format)
	371	opt_input_format = "ctf";
	372	if (!opt_output_format)
	373	opt_output_format = "text";
bbefb8dd MD	374	fmt_read = bt_lookup_format(g_quark_from_static_string(opt_input_format));
bbefb8dd MD	375	if (!fmt_read) {
3394d22e	376	fprintf(stderr, "[error] Format \"%s\" is not supported.\n\n",
bbefb8dd MD	377	opt_input_format);
	378	exit(EXIT_FAILURE);
	379	}
bbefb8dd MD	380	fmt_write = bt_lookup_format(g_quark_from_static_string(opt_output_format));
bbefb8dd MD	381	if (!fmt_write) {
3394d22e	382	fprintf(stderr, "[error] format \"%s\" is not supported.\n\n",
bbefb8dd MD	383	opt_output_format);
	384	exit(EXIT_FAILURE);
	385	}
	386
6cba487f MD	387	ctx = bt_context_create();
	388
	389	ret = bt_context_add_traces(ctx, opt_input_path,
	390	opt_input_format);
	391	if (ret) {
3394d22e	392	fprintf(stderr, "[error] opening trace \"%s\" for reading.\n\n",
bbefb8dd MD	393	opt_input_path);
	394	goto error_td_read;
	395	}
6cba487f	396
5b80ddfb	397	td_write = fmt_write->open_trace(opt_output_path, O_RDWR, NULL, NULL);
bbefb8dd	398	if (!td_write) {
3394d22e	399	fprintf(stderr, "Error opening trace \"%s\" for writing.\n\n",
b61922b5	400	opt_output_path ? : "<none>");
bbefb8dd MD	401	goto error_td_write;
bbefb8dd MD	402	}
847bf71a	403
95d36295	404	ret = convert_trace(td_write, ctx);
46322b33	405	if (ret) {
3394d22e	406	fprintf(stderr, "Error printing trace.\n\n");
46322b33 MD	407	goto error_copy_trace;
46322b33 MD	408	}
847bf71a	409
bbefb8dd	410	fmt_write->close_trace(td_write);
6cba487f MD	411
6cba487f MD	412	bt_context_put(ctx);
afb48eae AA	413	printf_verbose("finished converting. Output written to:\n%s\n",
afb48eae AA	414	opt_output_path ? : "<stdout>");
bbefb8dd	415	exit(EXIT_SUCCESS);
34ac0e6c	416
bbefb8dd	417	/* Error handling */
46322b33	418	error_copy_trace:
bbefb8dd MD	419	fmt_write->close_trace(td_write);
bbefb8dd MD	420	error_td_write:
6cba487f	421	bt_context_put(ctx);
bbefb8dd MD	422	error_td_read:
bbefb8dd MD	423	exit(EXIT_FAILURE);
4c8bfb7e	424	}