[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 _GNU_SOURCE
#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 <unistd.h>
#include <inttypes.h>
#include <fts.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,
	OPT_CLOCK_FORCE_CORRELATE,
};

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 },
	{ "clock-force-correlate", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_FORCE_CORRELATE, 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");
	fprintf(fp, "      --clock-force-correlate    Assume that clocks are inherently correlated\n");
	fprintf(fp, "                                 across traces.\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;
		case OPT_CLOCK_FORCE_CORRELATE:
			opt_clock_force_correlate = 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;
}


/*
 * bt_context_add_traces_recursive: Open a trace recursively
 *
 * Find each trace present in the subdirectory starting from the given
 * path, and add them to the context.
 *
 * Return: 0 on success, nonzero on failure.
 * Unable to open toplevel: failure.
 * Unable to open some subdirectory or file: warn and continue;
 */
int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path,
		const char *format_str)
{
	FTS *tree;
	FTSENT *node;
	GArray *trace_ids;
	char lpath[PATH_MAX];
	char * const paths[2] = { lpath, NULL };
	int ret;

	/*
	 * Need to copy path, because fts_open can change it.
	 * It is the pointer array, not the strings, that are constant.
	 */
	strncpy(lpath, path, PATH_MAX);
	lpath[PATH_MAX - 1] = '\0';

	tree = fts_open(paths, FTS_NOCHDIR | FTS_LOGICAL, 0);
	if (tree == NULL) {
		fprintf(stderr, "[error] [Context] Cannot traverse \"%s\" for reading.\n",
				path);
		return -EINVAL;
	}

	trace_ids = g_array_new(FALSE, TRUE, sizeof(int));

	while ((node = fts_read(tree))) {
		int dirfd, metafd;

		if (!(node->fts_info & FTS_D))
			continue;

		dirfd = open(node->fts_accpath, 0);
		if (dirfd < 0) {
			fprintf(stderr, "[error] [Context] Unable to open trace "
				"directory file descriptor.\n");
			ret = dirfd;
			goto error;
		}
		metafd = openat(dirfd, "metadata", O_RDONLY);
		if (metafd < 0) {
			ret = close(dirfd);
			if (ret < 0) {
				perror("close");
				goto error;
			}
		} else {
			int trace_id;

			ret = close(metafd);
			if (ret < 0) {
				perror("close");
				goto error;
			}
			ret = close(dirfd);
			if (ret < 0) {
				perror("close");
				goto error;
			}

			trace_id = bt_context_add_trace(ctx,
				node->fts_accpath, format_str);
			if (trace_id < 0) {
				fprintf(stderr, "[error] [Context] opening trace \"%s\" from %s "
					"for reading.\n", node->fts_accpath, path);
				ret = trace_id;
				goto error;
			}
			g_array_append_val(trace_ids, trace_id);
		}
	}

	g_array_free(trace_ids, TRUE);
	return 0;

error:
	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_recursive(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
20d24215	21	#define _GNU_SOURCE
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	36	#include <unistd.h>
70accc14	37	#include <inttypes.h>
20d24215	38	#include <fts.h>
4c8bfb7e	39
a44bc4c9 MD	40	#include <babeltrace/ctf-ir/metadata.h> /* for clocks */
a44bc4c9 MD	41
afb48eae	42	#define DEFAULT_FILE_ARRAY_SIZE 1
bbefb8dd MD	43	static char *opt_input_format;
bbefb8dd MD	44	static char *opt_output_format;
34ac0e6c MD	45
	46	static const char *opt_input_path;
	47	static const char *opt_output_path;
	48
afb48eae AA	49	static struct format *fmt_read;
afb48eae AA	50
bbefb8dd MD	51	void strlower(char *str)
	52	{
	53	while (*str) {
	54	str = tolower(str);
	55	str++;
	56	}
	57	}
	58
34ac0e6c MD	59	enum {
	60	OPT_NONE = 0,
	61	OPT_HELP,
7fb21036	62	OPT_LIST,
34ac0e6c MD	63	OPT_VERBOSE,
34ac0e6c MD	64	OPT_DEBUG,
d63ca2cd	65	OPT_NAMES,
359d7456	66	OPT_FIELDS,
8d8ed9af	67	OPT_NO_DELTA,
11ac6674 MD	68	OPT_CLOCK_OFFSET,
	69	OPT_CLOCK_RAW,
	70	OPT_CLOCK_SECONDS,
	71	OPT_CLOCK_DATE,
	72	OPT_CLOCK_GMT,
82ace6d6	73	OPT_CLOCK_FORCE_CORRELATE,
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 },
82ace6d6	92	{ "clock-force-correlate", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_FORCE_CORRELATE, NULL, NULL },
34ac0e6c MD	93	{ NULL, 0, 0, NULL, 0, NULL, NULL },
	94	};
	95
7fb21036 MD	96	static void list_formats(FILE *fp)
	97	{
	98	fprintf(fp, "\n");
	99	bt_fprintf_format_list(fp);
	100	}
	101
34ac0e6c	102	static void usage(FILE *fp)
4c8bfb7e	103	{
4c15b06b	104	fprintf(fp, "BabelTrace Trace Viewer and Converter %s\n\n", VERSION);
4d5678b9	105	fprintf(fp, "usage : babeltrace [OPTIONS] INPUT <OUTPUT>\n");
34ac0e6c	106	fprintf(fp, "\n");
4d5678b9 MD	107	fprintf(fp, " INPUT Input trace path\n");
4d5678b9 MD	108	fprintf(fp, " OUTPUT Output trace path (default: stdout)\n");
34ac0e6c	109	fprintf(fp, "\n");
d2b8ea6b MD	110	fprintf(fp, " -i, --input-format FORMAT Input trace format (default: ctf)\n");
d2b8ea6b MD	111	fprintf(fp, " -o, --output-format FORMAT Output trace format (default: text)\n");
34ac0e6c	112	fprintf(fp, "\n");
4d5678b9 MD	113	fprintf(fp, " -h, --help This help message\n");
	114	fprintf(fp, " -l, --list List available formats\n");
	115	fprintf(fp, " -v, --verbose Verbose mode\n");
cba1661c	116	fprintf(fp, " (or set BABELTRACE_VERBOSE environment variable)\n");
4d5678b9	117	fprintf(fp, " -d, --debug Debug mode\n");
cba1661c	118	fprintf(fp, " (or set BABELTRACE_DEBUG environment variable)\n");
8d8ed9af	119	fprintf(fp, " --no-delta Do not print time delta between consecutive events\n");
359d7456	120	fprintf(fp, " -n, --names name1<,name2,...> Print field names:\n");
82662ad4 MD	121	fprintf(fp, " (payload OR args OR arg)\n");
82662ad4 MD	122	fprintf(fp, " all, scope, header, (context OR ctx)\n");
cba1661c	123	fprintf(fp, " (payload active by default)\n");
359d7456 MD	124	fprintf(fp, " -f, --fields name1<,name2,...> Print additional fields:\n");
	125	fprintf(fp, " all, trace, trace:domain, trace:procname,\n");
	126	fprintf(fp, " trace:vpid, loglevel.\n");
11ac6674 MD	127	fprintf(fp, " --clock-raw Disregard internal clock offset (use raw value)\n");
	128	fprintf(fp, " --clock-offset seconds Clock offset in seconds\n");
	129	fprintf(fp, " --clock-seconds Print the timestamps as [sec.ns]\n");
	130	fprintf(fp, " (default is: [hh:mm:ss.ns])\n");
	131	fprintf(fp, " --clock-date Print clock date\n");
	132	fprintf(fp, " --clock-gmt Print clock in GMT time zone (default: local time zone)\n");
82ace6d6 MD	133	fprintf(fp, " --clock-force-correlate Assume that clocks are inherently correlated\n");
82ace6d6 MD	134	fprintf(fp, " across traces.\n");
7fb21036	135	list_formats(fp);
34ac0e6c MD	136	fprintf(fp, "\n");
	137	}
	138
cba1661c MD	139	static int get_names_args(poptContext *pc)
	140	{
	141	char str, strlist, *strctx;
	142
	143	opt_payload_field_names = 0;
	144	strlist = (char ) poptGetOptArg(pc);
	145	if (!strlist) {
	146	return -EINVAL;
	147	}
	148	str = strtok_r(strlist, ",", &strctx);
	149	do {
	150	if (!strcmp(str, "all"))
	151	opt_all_field_names = 1;
	152	else if (!strcmp(str, "scope"))
	153	opt_scope_field_names = 1;
	154	else if (!strcmp(str, "context") \|\| !strcmp(str, "ctx"))
	155	opt_context_field_names = 1;
	156	else if (!strcmp(str, "header"))
	157	opt_header_field_names = 1;
	158	else if (!strcmp(str, "payload") \|\| !strcmp(str, "args") \|\| !strcmp(str, "arg"))
	159	opt_payload_field_names = 1;
359d7456 MD	160	else {
	161	fprintf(stderr, "[error] unknown field name type %s\n", str);
	162	return -EINVAL;
	163	}
	164	} while ((str = strtok_r(NULL, ",", &strctx)));
	165	return 0;
	166	}
	167
	168	static int get_fields_args(poptContext *pc)
	169	{
	170	char str, strlist, *strctx;
	171
359d7456 MD	172	strlist = (char ) poptGetOptArg(pc);
	173	if (!strlist) {
	174	return -EINVAL;
	175	}
	176	str = strtok_r(strlist, ",", &strctx);
	177	do {
	178	if (!strcmp(str, "all"))
	179	opt_all_fields = 1;
82662ad4	180	else if (!strcmp(str, "trace"))
359d7456	181	opt_trace_field = 1;
8c250d87	182	else if (!strcmp(str, "trace:domain"))
359d7456	183	opt_trace_domain_field = 1;
8c250d87	184	else if (!strcmp(str, "trace:procname"))
359d7456	185	opt_trace_procname_field = 1;
8c250d87	186	else if (!strcmp(str, "trace:vpid"))
359d7456	187	opt_trace_vpid_field = 1;
d86d62f8	188	else if (!strcmp(str, "loglevel"))
359d7456	189	opt_loglevel_field = 1;
cba1661c	190	else {
359d7456	191	fprintf(stderr, "[error] unknown field type %s\n", str);
cba1661c MD	192	return -EINVAL;
	193	}
	194	} while ((str = strtok_r(NULL, ",", &strctx)));
	195	return 0;
	196	}
	197
34ac0e6c MD	198	/*
	199	* Return 0 if caller should continue, < 0 if caller should return
	200	* error, > 0 if caller should exit without reporting error.
	201	*/
bbefb8dd	202	static int parse_options(int argc, char **argv)
34ac0e6c MD	203	{
	204	poptContext pc;
	205	int opt, ret = 0;
	206
0f980a35 MD	207	if (argc == 1) {
	208	usage(stdout);
	209	return 1; /* exit cleanly */
	210	}
	211
bbefb8dd	212	pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0);
34ac0e6c MD	213	poptReadDefaultConfig(pc, 0);
34ac0e6c MD	214
cba1661c MD	215	/* set default */
	216	opt_payload_field_names = 1;
	217
34ac0e6c MD	218	while ((opt = poptGetNextOpt(pc)) != -1) {
	219	switch (opt) {
	220	case OPT_HELP:
7fb21036	221	usage(stdout);
34ac0e6c MD	222	ret = 1; /* exit cleanly */
34ac0e6c MD	223	goto end;
7fb21036 MD	224	case OPT_LIST:
	225	list_formats(stdout);
	226	ret = 1;
	227	goto end;
34ac0e6c MD	228	case OPT_VERBOSE:
	229	babeltrace_verbose = 1;
	230	break;
cba1661c MD	231	case OPT_NAMES:
	232	if (get_names_args(&pc)) {
	233	ret = -EINVAL;
	234	goto end;
	235	}
	236	break;
359d7456 MD	237	case OPT_FIELDS:
	238	if (get_fields_args(&pc)) {
	239	ret = -EINVAL;
	240	goto end;
	241	}
	242	break;
34ac0e6c MD	243	case OPT_DEBUG:
	244	babeltrace_debug = 1;
	245	break;
8d8ed9af	246	case OPT_NO_DELTA:
359d7456	247	opt_delta_field = 0;
8d8ed9af	248	break;
11ac6674 MD	249	case OPT_CLOCK_RAW:
	250	opt_clock_raw = 1;
	251	break;
	252	case OPT_CLOCK_OFFSET:
	253	{
	254	char str, endptr;
	255
	256	str = poptGetOptArg(pc);
	257	if (!str) {
	258	fprintf(stderr, "[error] Missing --clock-offset argument\n");
	259	ret = -EINVAL;
	260	goto end;
	261	}
	262	errno = 0;
	263	opt_clock_offset = strtoull(str, &endptr, 0);
	264	if (*endptr != '\0' \|\| str == endptr \|\| errno != 0) {
	265	fprintf(stderr, "[error] Incorrect --clock-offset argument: %s\n", str);
	266	ret = -EINVAL;
	267	goto end;
	268	}
	269	break;
	270	}
	271	case OPT_CLOCK_SECONDS:
	272	opt_clock_seconds = 1;
	273	break;
	274	case OPT_CLOCK_DATE:
	275	opt_clock_date = 1;
	276	break;
	277	case OPT_CLOCK_GMT:
	278	opt_clock_gmt = 1;
	279	break;
82ace6d6 MD	280	case OPT_CLOCK_FORCE_CORRELATE:
	281	opt_clock_force_correlate = 1;
	282	break;
11ac6674	283
34ac0e6c MD	284	default:
	285	ret = -EINVAL;
	286	goto end;
	287	}
	288	}
	289
	290	opt_input_path = poptGetArg(pc);
	291	if (!opt_input_path) {
	292	ret = -EINVAL;
	293	goto end;
	294	}
	295	opt_output_path = poptGetArg(pc);
cba1661c	296
34ac0e6c MD	297	end:
	298	if (pc) {
	299	poptFreeContext(pc);
	300	}
	301	return ret;
	302	}
	303
afb48eae	304
20d24215 YB	305	/*
	306	* bt_context_add_traces_recursive: Open a trace recursively
	307	*
	308	* Find each trace present in the subdirectory starting from the given
	309	* path, and add them to the context.
	310	*
	311	* Return: 0 on success, nonzero on failure.
	312	* Unable to open toplevel: failure.
	313	* Unable to open some subdirectory or file: warn and continue;
	314	*/
	315	int bt_context_add_traces_recursive(struct bt_context ctx, const char path,
	316	const char *format_str)
	317	{
	318	FTS *tree;
	319	FTSENT *node;
	320	GArray *trace_ids;
	321	char lpath[PATH_MAX];
	322	char * const paths[2] = { lpath, NULL };
	323	int ret;
	324
	325	/*
	326	* Need to copy path, because fts_open can change it.
	327	* It is the pointer array, not the strings, that are constant.
	328	*/
	329	strncpy(lpath, path, PATH_MAX);
	330	lpath[PATH_MAX - 1] = '\0';
	331
	332	tree = fts_open(paths, FTS_NOCHDIR \| FTS_LOGICAL, 0);
	333	if (tree == NULL) {
	334	fprintf(stderr, "[error] [Context] Cannot traverse \"%s\" for reading.\n",
	335	path);
	336	return -EINVAL;
	337	}
	338
	339	trace_ids = g_array_new(FALSE, TRUE, sizeof(int));
	340
	341	while ((node = fts_read(tree))) {
	342	int dirfd, metafd;
	343
	344	if (!(node->fts_info & FTS_D))
	345	continue;
	346
	347	dirfd = open(node->fts_accpath, 0);
	348	if (dirfd < 0) {
	349	fprintf(stderr, "[error] [Context] Unable to open trace "
	350	"directory file descriptor.\n");
	351	ret = dirfd;
	352	goto error;
	353	}
	354	metafd = openat(dirfd, "metadata", O_RDONLY);
	355	if (metafd < 0) {
	356	ret = close(dirfd);
	357	if (ret < 0) {
	358	perror("close");
	359	goto error;
	360	}
	361	} else {
	362	int trace_id;
	363
	364	ret = close(metafd);
	365	if (ret < 0) {
	366	perror("close");
	367	goto error;
	368	}
369	ret = close(dirfd);
370	if (ret < 0) {
371	perror("close");
372	goto error;
373	}
374
375	trace_id = bt_context_add_trace(ctx,
376	node->fts_accpath, format_str);
377	if (trace_id < 0) {
378	fprintf(stderr, "[error] [Context] opening trace \"%s\" from %s "
379	"for reading.\n", node->fts_accpath, path);
380	ret = trace_id;
381	goto error;
382	}
383	g_array_append_val(trace_ids, trace_id);
384	}
385	}
386
387	g_array_free(trace_ids, TRUE);
388	return 0;
389
390	error:
391	return ret;
392	}
a44bc4c9	393
a44bc4c9	394
afb48eae	395
95d36295 JD	396	int convert_trace(struct trace_descriptor *td_write,
	397	struct bt_context *ctx)
	398	{
e8c92a62	399	struct bt_iter *iter;
95d36295 JD	400	struct ctf_stream *stream;
	401	struct ctf_stream_event *event;
	402	struct ctf_text_stream_pos *sout;
e8c92a62	403	struct bt_iter_pos begin_pos;
95d36295 JD	404	int ret;
	405
	406	sout = container_of(td_write, struct ctf_text_stream_pos,
	407	trace_descriptor);
	408
	409	begin_pos.type = BT_SEEK_BEGIN;
e8c92a62	410	iter = bt_iter_create(ctx, &begin_pos, NULL);
95d36295 JD	411	if (!iter) {
	412	ret = -1;
	413	goto error_iter;
	414	}
e8c92a62	415	while (bt_iter_read_event(iter, &stream, &event) == 0) {
95d36295 JD	416	ret = sout->parent.event_cb(&sout->parent, stream);
95d36295 JD	417	if (ret) {
3394d22e	418	fprintf(stderr, "[error] Writing event failed.\n");
95d36295 JD	419	goto end;
95d36295 JD	420	}
e8c92a62	421	ret = bt_iter_next(iter);
95d36295 JD	422	if (ret < 0)
	423	goto end;
	424	}
	425	ret = 0;
	426
	427	end:
e8c92a62	428	bt_iter_destroy(iter);
95d36295 JD	429	error_iter:
	430	return ret;
	431	}
	432
bbefb8dd	433	int main(int argc, char **argv)
34ac0e6c MD	434	{
34ac0e6c MD	435	int ret;
afb48eae AA	436	struct format *fmt_write;
afb48eae AA	437	struct trace_descriptor *td_write;
95d36295	438	struct bt_context *ctx;
34ac0e6c MD	439
	440	ret = parse_options(argc, argv);
	441	if (ret < 0) {
3394d22e MD	442	fprintf(stderr, "Error parsing options.\n\n");
3394d22e MD	443	usage(stderr);
34ac0e6c MD	444	exit(EXIT_FAILURE);
	445	} else if (ret > 0) {
	446	exit(EXIT_SUCCESS);
	447	}
	448	printf_verbose("Verbose mode active.\n");
	449	printf_debug("Debug mode active.\n");
	450
bbefb8dd MD	451	if (opt_input_format)
	452	strlower(opt_input_format);
	453	if (opt_output_format)
	454	strlower(opt_output_format);
	455
afb48eae	456	printf_verbose("Converting from directory: %s\n", opt_input_path);
34ac0e6c	457	printf_verbose("Converting from format: %s\n",
b61922b5	458	opt_input_format ? : "ctf <default>");
afb48eae	459	printf_verbose("Converting to directory: %s\n",
478b6389	460	opt_output_path ? : "<stdout>");
34ac0e6c	461	printf_verbose("Converting to format: %s\n",
b61922b5	462	opt_output_format ? : "text <default>");
bbefb8dd	463
b61922b5 MD	464	if (!opt_input_format)
	465	opt_input_format = "ctf";
	466	if (!opt_output_format)
	467	opt_output_format = "text";
bbefb8dd MD	468	fmt_read = bt_lookup_format(g_quark_from_static_string(opt_input_format));
bbefb8dd MD	469	if (!fmt_read) {
3394d22e	470	fprintf(stderr, "[error] Format \"%s\" is not supported.\n\n",
bbefb8dd MD	471	opt_input_format);
	472	exit(EXIT_FAILURE);
	473	}
bbefb8dd MD	474	fmt_write = bt_lookup_format(g_quark_from_static_string(opt_output_format));
bbefb8dd MD	475	if (!fmt_write) {
3394d22e	476	fprintf(stderr, "[error] format \"%s\" is not supported.\n\n",
bbefb8dd MD	477	opt_output_format);
	478	exit(EXIT_FAILURE);
	479	}
	480
6cba487f MD	481	ctx = bt_context_create();
6cba487f MD	482
e669e45e	483	ret = bt_context_add_traces_recursive(ctx, opt_input_path,
6cba487f MD	484	opt_input_format);
6cba487f MD	485	if (ret) {
3394d22e	486	fprintf(stderr, "[error] opening trace \"%s\" for reading.\n\n",
bbefb8dd MD	487	opt_input_path);
	488	goto error_td_read;
	489	}
6cba487f	490
5b80ddfb	491	td_write = fmt_write->open_trace(opt_output_path, O_RDWR, NULL, NULL);
bbefb8dd	492	if (!td_write) {
3394d22e	493	fprintf(stderr, "Error opening trace \"%s\" for writing.\n\n",
b61922b5	494	opt_output_path ? : "<none>");
bbefb8dd MD	495	goto error_td_write;
bbefb8dd MD	496	}
847bf71a	497
95d36295	498	ret = convert_trace(td_write, ctx);
46322b33	499	if (ret) {
3394d22e	500	fprintf(stderr, "Error printing trace.\n\n");
46322b33 MD	501	goto error_copy_trace;
46322b33 MD	502	}
847bf71a	503
bbefb8dd	504	fmt_write->close_trace(td_write);
6cba487f MD	505
6cba487f MD	506	bt_context_put(ctx);
afb48eae AA	507	printf_verbose("finished converting. Output written to:\n%s\n",
afb48eae AA	508	opt_output_path ? : "<stdout>");
bbefb8dd	509	exit(EXIT_SUCCESS);
34ac0e6c	510
bbefb8dd	511	/* Error handling */
46322b33	512	error_copy_trace:
bbefb8dd MD	513	fmt_write->close_trace(td_write);
bbefb8dd MD	514	error_td_write:
6cba487f	515	bt_context_put(ctx);
bbefb8dd MD	516	error_td_read:
bbefb8dd MD	517	exit(EXIT_FAILURE);
4c8bfb7e	518	}