[babeltrace.git] / converter / babeltrace-log.c

/*
 * babeltrace-log.c
 *
 * BabelTrace - Convert Text Log to CTF
 *
 * 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.
 *
 * Depends on glibc 2.10 for getline().
 */

#define _GNU_SOURCE
#include <config.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <dirent.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <inttypes.h>

#include <babeltrace/babeltrace-internal.h>
#include <babeltrace/ctf/types.h>
#include <babeltrace/uuid.h>
#include <babeltrace/endian.h>

#define USEC_PER_SEC 1000000UL

int babeltrace_debug, babeltrace_verbose;

static char *s_outputname;
static int s_timestamp;
static int s_help;
static unsigned char s_uuid[BABELTRACE_UUID_LEN];

/* Metadata format string */
static const char metadata_fmt[] =
"/* CTF 1.8 */\n"
"typealias integer { size = 8; align = 8; signed = false; } := uint8_t;\n"
"typealias integer { size = 32; align = 32; signed = false; } := uint32_t;\n"
"typealias integer { size = 64; align = 64; signed = false; } := uint64_t;\n"
"\n"
"trace {\n"
"	major = %u;\n"			/* major (e.g. 0) */
"	minor = %u;\n"			/* minor (e.g. 1) */
"	uuid = \"%s\";\n"		/* UUID */
"	byte_order = %s;\n"		/* be or le */
"	packet.header := struct {\n"
"		uint32_t magic;\n"
"		uint8_t  uuid[16];\n"
"	};\n"
"};\n"
"\n"
"stream {\n"
"	packet.context := struct {\n"
"		uint64_t content_size;\n"
"		uint64_t packet_size;\n"
"	};\n"
"%s"					/* Stream event header (opt.) */
"};\n"
"\n"
"event {\n"
"	name = string;\n"
"	fields := struct { string str; };\n"
"};\n";

static const char metadata_stream_event_header_timestamp[] =
"	typealias integer { size = 64; align = 64; signed = false; } := uint64_t;\n"
"	event.header := struct {\n"
"		uint64_t timestamp;\n"
"	};\n";

static
void print_metadata(FILE *fp)
{
	char uuid_str[BABELTRACE_UUID_STR_LEN];
	unsigned int major = 0, minor = 0;
	int ret;

	ret = sscanf(VERSION, "%u.%u", &major, &minor);
	if (ret != 2)
		fprintf(stderr, "[warning] Incorrect babeltrace version format\n.");
	babeltrace_uuid_unparse(s_uuid, uuid_str);
	fprintf(fp, metadata_fmt,
		major,
		minor,
		uuid_str,
		BYTE_ORDER == LITTLE_ENDIAN ? "le" : "be",
		s_timestamp ? metadata_stream_event_header_timestamp : "");
}

static
void write_packet_header(struct ctf_stream_pos *pos, unsigned char *uuid)
{
	struct ctf_stream_pos dummy;

	/* magic */
	ctf_dummy_pos(pos, &dummy);
	ctf_align_pos(&dummy, sizeof(uint32_t) * CHAR_BIT);
	ctf_move_pos(&dummy, sizeof(uint32_t) * CHAR_BIT);
	assert(!ctf_pos_packet(&dummy));
	
	ctf_align_pos(pos, sizeof(uint32_t) * CHAR_BIT);
	*(uint32_t *) ctf_get_pos_addr(pos) = 0xC1FC1FC1;
	ctf_move_pos(pos, sizeof(uint32_t) * CHAR_BIT);

	/* uuid */
	ctf_dummy_pos(pos, &dummy);
	ctf_align_pos(&dummy, sizeof(uint8_t) * CHAR_BIT);
	ctf_move_pos(&dummy, 16 * CHAR_BIT);
	assert(!ctf_pos_packet(&dummy));

	ctf_align_pos(pos, sizeof(uint8_t) * CHAR_BIT);
	memcpy(ctf_get_pos_addr(pos), uuid, BABELTRACE_UUID_LEN);
	ctf_move_pos(pos, BABELTRACE_UUID_LEN * CHAR_BIT);
}

static
void write_packet_context(struct ctf_stream_pos *pos)
{
	struct ctf_stream_pos dummy;

	/* content_size */
	ctf_dummy_pos(pos, &dummy);
	ctf_align_pos(&dummy, sizeof(uint64_t) * CHAR_BIT);
	ctf_move_pos(&dummy, sizeof(uint64_t) * CHAR_BIT);
	assert(!ctf_pos_packet(&dummy));
	
	ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT);
	*(uint64_t *) ctf_get_pos_addr(pos) = ~0ULL;	/* Not known yet */
	pos->content_size_loc = (uint64_t *) ctf_get_pos_addr(pos);
	ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT);

	/* packet_size */
	ctf_dummy_pos(pos, &dummy);
	ctf_align_pos(&dummy, sizeof(uint64_t) * CHAR_BIT);
	ctf_move_pos(&dummy, sizeof(uint64_t) * CHAR_BIT);
	assert(!ctf_pos_packet(&dummy));
	
	ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT);
	*(uint64_t *) ctf_get_pos_addr(pos) = pos->packet_size;
	ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT);
}

static
void write_event_header(struct ctf_stream_pos *pos, char *line,
			char **tline, size_t len, size_t *tlen,
			uint64_t *ts)
{
	unsigned long sec, usec;
	int ret;

	if (!s_timestamp)
		return;

	/* Only need to be executed on first pass (dummy) */
	if (pos->dummy) {
		/* Extract time from input line */
		ret = sscanf(line, "[%lu.%lu] ", &sec, &usec);
		if (ret == 2) {
			*tline = strchr(line, ']');
			assert(*tline);
			(*tline)++;
			if ((*tline)[0] == ' ') {
				(*tline)++;
			}
			*tlen = len + line - *tline;
			*ts = (uint64_t) sec * USEC_PER_SEC + (uint64_t) usec;
		}
	}
	/* timestamp */
	ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT);
	if (!pos->dummy)
		*(uint64_t *) ctf_get_pos_addr(pos) = *ts;
	ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT);
}

static
void trace_string(char *line, struct ctf_stream_pos *pos, size_t len)
{
	struct ctf_stream_pos dummy;
	int attempt = 0;
	char *tline = line;	/* tline is start of text, after timestamp */
	size_t tlen = len;
	uint64_t ts = 0;

	printf_debug("read: %s\n", line);
retry:
	ctf_dummy_pos(pos, &dummy);
	write_event_header(&dummy, line, &tline, len, &tlen, &ts);
	ctf_align_pos(&dummy, sizeof(uint8_t) * CHAR_BIT);
	ctf_move_pos(&dummy, tlen * CHAR_BIT);
	if (ctf_pos_packet(&dummy)) {
		ctf_pos_pad_packet(pos);
		write_packet_header(pos, s_uuid);
		write_packet_context(pos);
		if (attempt++ == 1) {
			fprintf(stderr, "[Error] Line too large for packet size (%" PRIu64 "kB) (discarded)\n",
				pos->packet_size / CHAR_BIT / 1024);
			return;
		}
		goto retry;
	}

	write_event_header(pos, line, &tline, len, &tlen, &ts);
	ctf_align_pos(pos, sizeof(uint8_t) * CHAR_BIT);
	memcpy(ctf_get_pos_addr(pos), tline, tlen);
	ctf_move_pos(pos, tlen * CHAR_BIT);
}

static
void trace_text(FILE *input, int output)
{
	struct ctf_stream_pos pos;
	ssize_t len;
	char *line = NULL, *nl;
	size_t linesize;

	memset(&pos, 0, sizeof(pos));
	ctf_init_pos(&pos, output, O_RDWR);

	write_packet_header(&pos, s_uuid);
	write_packet_context(&pos);
	for (;;) {
		len = getline(&line, &linesize, input);
		if (len < 0)
			break;
		nl = strrchr(line, '\n');
		if (nl) {
			*nl = '\0';
			trace_string(line, &pos, nl - line + 1);
		} else {
			trace_string(line, &pos, strlen(line) + 1);
		}
	}
	ctf_fini_pos(&pos);
}

static
void usage(FILE *fp)
{
	fprintf(fp, "BabelTrace Log Converter %s\n", VERSION);
	fprintf(fp, "\n");
	fprintf(fp, "Convert for a text log (read from standard input) to CTF.\n");
	fprintf(fp, "\n");
	fprintf(fp, "usage : babeltrace-log [OPTIONS] OUTPUT\n");
	fprintf(fp, "\n");
	fprintf(fp, "  OUTPUT                         Output trace path\n");
	fprintf(fp, "\n");
	fprintf(fp, "  -t                             With timestamps (format: [sec.usec] string\\n)\n");
	fprintf(fp, "\n");
}

static
int parse_args(int argc, char **argv)
{
	int i;

	for (i = 1; i < argc; i++) {
		if (!strcmp(argv[i], "-t"))
			s_timestamp = 1;
		else if (!strcmp(argv[i], "-h")) {
			s_help = 1;
			return 0;
		} else if (argv[i][0] == '-')
			return -EINVAL;
		else
			s_outputname = argv[i];
	}
	if (!s_outputname)
		return -EINVAL;
	return 0;
}

int main(int argc, char **argv)
{
	int fd, metadata_fd, ret;
	DIR *dir;
	int dir_fd;
	FILE *metadata_fp;

	ret = parse_args(argc, argv);
	if (ret) {
		fprintf(stderr, "Error: invalid argument.\n");
		usage(stderr);
		goto error;
	}

	if (s_help) {
		usage(stdout);
		exit(EXIT_SUCCESS);
	}

	ret = mkdir(s_outputname, S_IRWXU|S_IRWXG);
	if (ret) {
		perror("mkdir");
		goto error;
	}

	dir = opendir(s_outputname);
	if (!dir) {
		perror("opendir");
		goto error_rmdir;
	}
	dir_fd = dirfd(dir);
	if (dir_fd < 0) {
		perror("dirfd");
		goto error_closedir;
	}

	fd = openat(dir_fd, "datastream", O_RDWR|O_CREAT,
		    S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP);
	if (fd < 0) {
		perror("openat");
		goto error_closedirfd;
	}

	metadata_fd = openat(dir_fd, "metadata", O_RDWR|O_CREAT,
			     S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP);
	if (fd < 0) {
		perror("openat");
		goto error_closedatastream;
	}
	metadata_fp = fdopen(metadata_fd, "w");
	if (!metadata_fp) {
		perror("fdopen");
		goto error_closemetadatafd;
	}

	babeltrace_uuid_generate(s_uuid);
	print_metadata(metadata_fp);
	trace_text(stdin, fd);

	close(fd);
	exit(EXIT_SUCCESS);

	/* error handling */
error_closemetadatafd:
	ret = close(metadata_fd);
	if (ret)
		perror("close");
error_closedatastream:
	ret = close(fd);
	if (ret)
		perror("close");
error_closedirfd:
	ret = close(dir_fd);
	if (ret)
		perror("close");
error_closedir:
	ret = closedir(dir);
	if (ret)
		perror("closedir");
error_rmdir:
	ret = rmdir(s_outputname);
	if (ret)
		perror("rmdir");
error:
	exit(EXIT_FAILURE);
}
Commit	Line	Data
8c572eba	1	/*
b522ac18	2	* babeltrace-log.c
8c572eba	3	*
b522ac18	4	* BabelTrace - Convert Text Log to CTF
8c572eba	5	*
64fa3fec MD	6	* Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
	7	*
	8	* Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
8c572eba 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	*
	20	* Depends on glibc 2.10 for getline().
	21	*/
	22
c696b1b1	23	#define _GNU_SOURCE
00f7fbf0	24	#include <config.h>
90219914 MD	25	#include <sys/types.h>
	26	#include <sys/stat.h>
	27	#include <fcntl.h>
	28	#include <sys/mman.h>
989c73bc	29	#include <dirent.h>
90219914	30	#include <stdio.h>
989c73bc	31	#include <stdlib.h>
90219914 MD	32	#include <stdint.h>
	33	#include <unistd.h>
	34	#include <errno.h>
90219914	35	#include <string.h>
fef3bf22	36	#include <inttypes.h>
90219914	37
70bd0a12	38	#include <babeltrace/babeltrace-internal.h>
8c572eba	39	#include <babeltrace/ctf/types.h>
a4dfa07b	40	#include <babeltrace/uuid.h>
43e34335	41	#include <babeltrace/endian.h>
8c572eba	42
bfe09576	43	#define USEC_PER_SEC 1000000UL
ca8b2b02	44
ca8b2b02 MD	45	int babeltrace_debug, babeltrace_verbose;
	46
	47	static char *s_outputname;
	48	static int s_timestamp;
39592eae	49	static int s_help;
43e34335	50	static unsigned char s_uuid[BABELTRACE_UUID_LEN];
ca8b2b02	51
b522ac18 MD	52	/* Metadata format string */
b522ac18 MD	53	static const char metadata_fmt[] =
408a2c4d	54	"/* CTF 1.8 */\n"
989c73bc MD	55	"typealias integer { size = 8; align = 8; signed = false; } := uint8_t;\n"
989c73bc MD	56	"typealias integer { size = 32; align = 32; signed = false; } := uint32_t;\n"
fef3bf22	57	"typealias integer { size = 64; align = 64; signed = false; } := uint64_t;\n"
989c73bc MD	58	"\n"
989c73bc MD	59	"trace {\n"
c818559a MD	60	" major = %u;\n" /* major (e.g. 0) */
c818559a MD	61	" minor = %u;\n" /* minor (e.g. 1) */
b522ac18	62	" uuid = \"%s\";\n" /* UUID */
989c73bc MD	63	" byte_order = %s;\n" /* be or le */
	64	" packet.header := struct {\n"
	65	" uint32_t magic;\n"
b4c19c1e	66	" uint8_t uuid[16];\n"
989c73bc MD	67	" };\n"
	68	"};\n"
	69	"\n"
	70	"stream {\n"
	71	" packet.context := struct {\n"
fef3bf22 MD	72	" uint64_t content_size;\n"
fef3bf22 MD	73	" uint64_t packet_size;\n"
989c73bc	74	" };\n"
ca8b2b02	75	"%s" /* Stream event header (opt.) */
989c73bc MD	76	"};\n"
	77	"\n"
	78	"event {\n"
	79	" name = string;\n"
	80	" fields := struct { string str; };\n"
	81	"};\n";
	82
ca8b2b02 MD	83	static const char metadata_stream_event_header_timestamp[] =
	84	" typealias integer { size = 64; align = 64; signed = false; } := uint64_t;\n"
	85	" event.header := struct {\n"
	86	" uint64_t timestamp;\n"
	87	" };\n";
8c572eba	88
b522ac18 MD	89	static
	90	void print_metadata(FILE *fp)
	91	{
a4dfa07b	92	char uuid_str[BABELTRACE_UUID_STR_LEN];
00f7fbf0 MD	93	unsigned int major = 0, minor = 0;
00f7fbf0 MD	94	int ret;
b522ac18	95
00f7fbf0 MD	96	ret = sscanf(VERSION, "%u.%u", &major, &minor);
	97	if (ret != 2)
	98	fprintf(stderr, "[warning] Incorrect babeltrace version format\n.");
a4dfa07b	99	babeltrace_uuid_unparse(s_uuid, uuid_str);
b522ac18	100	fprintf(fp, metadata_fmt,
00f7fbf0 MD	101	major,
00f7fbf0 MD	102	minor,
b522ac18	103	uuid_str,
ca8b2b02 MD	104	BYTE_ORDER == LITTLE_ENDIAN ? "le" : "be",
ca8b2b02 MD	105	s_timestamp ? metadata_stream_event_header_timestamp : "");
b522ac18 MD	106	}
b522ac18 MD	107
8c572eba	108	static
43e34335	109	void write_packet_header(struct ctf_stream_pos pos, unsigned char uuid)
8c572eba	110	{
46322b33	111	struct ctf_stream_pos dummy;
8c572eba MD	112
8c572eba MD	113	/* magic */
46322b33 MD	114	ctf_dummy_pos(pos, &dummy);
	115	ctf_align_pos(&dummy, sizeof(uint32_t) * CHAR_BIT);
	116	ctf_move_pos(&dummy, sizeof(uint32_t) * CHAR_BIT);
	117	assert(!ctf_pos_packet(&dummy));
8c572eba	118
46322b33 MD	119	ctf_align_pos(pos, sizeof(uint32_t) * CHAR_BIT);
	120	(uint32_t ) ctf_get_pos_addr(pos) = 0xC1FC1FC1;
	121	ctf_move_pos(pos, sizeof(uint32_t) * CHAR_BIT);
8c572eba	122
b4c19c1e	123	/* uuid */
46322b33 MD	124	ctf_dummy_pos(pos, &dummy);
	125	ctf_align_pos(&dummy, sizeof(uint8_t) * CHAR_BIT);
	126	ctf_move_pos(&dummy, 16 * CHAR_BIT);
	127	assert(!ctf_pos_packet(&dummy));
	128
	129	ctf_align_pos(pos, sizeof(uint8_t) * CHAR_BIT);
43e34335 MD	130	memcpy(ctf_get_pos_addr(pos), uuid, BABELTRACE_UUID_LEN);
43e34335 MD	131	ctf_move_pos(pos, BABELTRACE_UUID_LEN * CHAR_BIT);
8c572eba MD	132	}
	133
	134	static
46322b33	135	void write_packet_context(struct ctf_stream_pos *pos)
8c572eba	136	{
46322b33	137	struct ctf_stream_pos dummy;
8c572eba MD	138
8c572eba MD	139	/* content_size */
46322b33	140	ctf_dummy_pos(pos, &dummy);
fef3bf22 MD	141	ctf_align_pos(&dummy, sizeof(uint64_t) * CHAR_BIT);
fef3bf22 MD	142	ctf_move_pos(&dummy, sizeof(uint64_t) * CHAR_BIT);
46322b33	143	assert(!ctf_pos_packet(&dummy));
8c572eba	144
fef3bf22 MD	145	ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT);
	146	(uint64_t ) ctf_get_pos_addr(pos) = ~0ULL; /* Not known yet */
	147	pos->content_size_loc = (uint64_t *) ctf_get_pos_addr(pos);
	148	ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT);
8c572eba MD	149
8c572eba MD	150	/* packet_size */
46322b33	151	ctf_dummy_pos(pos, &dummy);
fef3bf22 MD	152	ctf_align_pos(&dummy, sizeof(uint64_t) * CHAR_BIT);
fef3bf22 MD	153	ctf_move_pos(&dummy, sizeof(uint64_t) * CHAR_BIT);
46322b33	154	assert(!ctf_pos_packet(&dummy));
8c572eba	155
fef3bf22 MD	156	ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT);
	157	(uint64_t ) ctf_get_pos_addr(pos) = pos->packet_size;
	158	ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT);
8c572eba MD	159	}
8c572eba MD	160
ca8b2b02 MD	161	static
	162	void write_event_header(struct ctf_stream_pos pos, char line,
	163	char *tline, size_t len, size_t tlen,
	164	uint64_t *ts)
	165	{
bfe09576	166	unsigned long sec, usec;
ca8b2b02 MD	167	int ret;
	168
	169	if (!s_timestamp)
	170	return;
	171
	172	/* Only need to be executed on first pass (dummy) */
	173	if (pos->dummy) {
	174	/* Extract time from input line */
bfe09576	175	ret = sscanf(line, "[%lu.%lu] ", &sec, &usec);
ca8b2b02 MD	176	if (ret == 2) {
ca8b2b02 MD	177	*tline = strchr(line, ']');
bfe09576 MD	178	assert(*tline);
	179	(*tline)++;
	180	if ((*tline)[0] == ' ') {
ca8b2b02	181	(*tline)++;
bfe09576	182	}
ca8b2b02	183	tlen = len + line - tline;
bfe09576	184	ts = (uint64_t) sec USEC_PER_SEC + (uint64_t) usec;
ca8b2b02 MD	185	}
	186	}
	187	/* timestamp */
	188	ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT);
	189	if (!pos->dummy)
bc7eb6c8	190	(uint64_t ) ctf_get_pos_addr(pos) = *ts;
ca8b2b02 MD	191	ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT);
	192	}
	193
8c572eba	194	static
46322b33	195	void trace_string(char line, struct ctf_stream_pos pos, size_t len)
8c572eba	196	{
46322b33	197	struct ctf_stream_pos dummy;
8c572eba	198	int attempt = 0;
ca8b2b02 MD	199	char tline = line; / tline is start of text, after timestamp */
	200	size_t tlen = len;
	201	uint64_t ts = 0;
8c572eba MD	202
	203	printf_debug("read: %s\n", line);
	204	retry:
46322b33	205	ctf_dummy_pos(pos, &dummy);
ca8b2b02	206	write_event_header(&dummy, line, &tline, len, &tlen, &ts);
46322b33	207	ctf_align_pos(&dummy, sizeof(uint8_t) * CHAR_BIT);
ca8b2b02	208	ctf_move_pos(&dummy, tlen * CHAR_BIT);
46322b33	209	if (ctf_pos_packet(&dummy)) {
46322b33	210	ctf_pos_pad_packet(pos);
8c572eba MD	211	write_packet_header(pos, s_uuid);
	212	write_packet_context(pos);
	213	if (attempt++ == 1) {
fef3bf22	214	fprintf(stderr, "[Error] Line too large for packet size (%" PRIu64 "kB) (discarded)\n",
8c572eba MD	215	pos->packet_size / CHAR_BIT / 1024);
	216	return;
	217	}
	218	goto retry;
	219	}
	220
ca8b2b02	221	write_event_header(pos, line, &tline, len, &tlen, &ts);
46322b33	222	ctf_align_pos(pos, sizeof(uint8_t) * CHAR_BIT);
ca8b2b02 MD	223	memcpy(ctf_get_pos_addr(pos), tline, tlen);
ca8b2b02 MD	224	ctf_move_pos(pos, tlen * CHAR_BIT);
8c572eba MD	225	}
	226
	227	static
	228	void trace_text(FILE *input, int output)
	229	{
46322b33	230	struct ctf_stream_pos pos;
8c572eba MD	231	ssize_t len;
	232	char line = NULL, nl;
	233	size_t linesize;
	234
89ca8829	235	memset(&pos, 0, sizeof(pos));
989c73bc	236	ctf_init_pos(&pos, output, O_RDWR);
8c572eba MD	237
	238	write_packet_header(&pos, s_uuid);
	239	write_packet_context(&pos);
	240	for (;;) {
	241	len = getline(&line, &linesize, input);
	242	if (len < 0)
	243	break;
	244	nl = strrchr(line, '\n');
c5e6c71b	245	if (nl) {
8c572eba	246	*nl = '\0';
c5e6c71b HZ	247	trace_string(line, &pos, nl - line + 1);
	248	} else {
	249	trace_string(line, &pos, strlen(line) + 1);
	250	}
8c572eba	251	}
46322b33	252	ctf_fini_pos(&pos);
8c572eba	253	}
90219914	254
ca8b2b02 MD	255	static
ca8b2b02 MD	256	void usage(FILE *fp)
989c73bc	257	{
00f7fbf0	258	fprintf(fp, "BabelTrace Log Converter %s\n", VERSION);
989c73bc MD	259	fprintf(fp, "\n");
	260	fprintf(fp, "Convert for a text log (read from standard input) to CTF.\n");
	261	fprintf(fp, "\n");
78893e6e	262	fprintf(fp, "usage : babeltrace-log [OPTIONS] OUTPUT\n");
989c73bc MD	263	fprintf(fp, "\n");
	264	fprintf(fp, " OUTPUT Output trace path\n");
	265	fprintf(fp, "\n");
78893e6e MD	266	fprintf(fp, " -t With timestamps (format: [sec.usec] string\\n)\n");
78893e6e MD	267	fprintf(fp, "\n");
989c73bc MD	268	}
989c73bc MD	269
ca8b2b02 MD	270	static
	271	int parse_args(int argc, char **argv)
	272	{
	273	int i;
	274
	275	for (i = 1; i < argc; i++) {
	276	if (!strcmp(argv[i], "-t"))
	277	s_timestamp = 1;
39592eae MD	278	else if (!strcmp(argv[i], "-h")) {
	279	s_help = 1;
	280	return 0;
	281	} else if (argv[i][0] == '-')
	282	return -EINVAL;
ca8b2b02 MD	283	else
	284	s_outputname = argv[i];
	285	}
	286	if (!s_outputname)
	287	return -EINVAL;
	288	return 0;
	289	}
	290
90219914 MD	291	int main(int argc, char **argv)
90219914 MD	292	{
b522ac18	293	int fd, metadata_fd, ret;
989c73bc MD	294	DIR *dir;
989c73bc MD	295	int dir_fd;
b522ac18	296	FILE *metadata_fp;
90219914	297
ca8b2b02 MD	298	ret = parse_args(argc, argv);
ca8b2b02 MD	299	if (ret) {
3394d22e MD	300	fprintf(stderr, "Error: invalid argument.\n");
3394d22e MD	301	usage(stderr);
989c73bc	302	goto error;
90219914	303	}
90219914	304
39592eae MD	305	if (s_help) {
	306	usage(stdout);
	307	exit(EXIT_SUCCESS);
	308	}
	309
ca8b2b02	310	ret = mkdir(s_outputname, S_IRWXU\|S_IRWXG);
90219914	311	if (ret) {
989c73bc MD	312	perror("mkdir");
	313	goto error;
	314	}
	315
ca8b2b02	316	dir = opendir(s_outputname);
989c73bc MD	317	if (!dir) {
	318	perror("opendir");
	319	goto error_rmdir;
	320	}
	321	dir_fd = dirfd(dir);
	322	if (dir_fd < 0) {
	323	perror("dirfd");
	324	goto error_closedir;
	325	}
	326
	327	fd = openat(dir_fd, "datastream", O_RDWR\|O_CREAT,
	328	S_IRUSR\|S_IWUSR\|S_IRGRP\|S_IWGRP);
	329	if (fd < 0) {
	330	perror("openat");
	331	goto error_closedirfd;
90219914	332	}
90219914	333
b522ac18 MD	334	metadata_fd = openat(dir_fd, "metadata", O_RDWR\|O_CREAT,
	335	S_IRUSR\|S_IWUSR\|S_IRGRP\|S_IWGRP);
	336	if (fd < 0) {
	337	perror("openat");
	338	goto error_closedatastream;
	339	}
	340	metadata_fp = fdopen(metadata_fd, "w");
	341	if (!metadata_fp) {
	342	perror("fdopen");
	343	goto error_closemetadatafd;
	344	}
	345
43e34335	346	babeltrace_uuid_generate(s_uuid);
b522ac18	347	print_metadata(metadata_fp);
8c572eba	348	trace_text(stdin, fd);
989c73bc	349
90219914	350	close(fd);
989c73bc MD	351	exit(EXIT_SUCCESS);
	352
	353	/* error handling */
b522ac18 MD	354	error_closemetadatafd:
	355	ret = close(metadata_fd);
	356	if (ret)
	357	perror("close");
	358	error_closedatastream:
	359	ret = close(fd);
	360	if (ret)
	361	perror("close");
989c73bc MD	362	error_closedirfd:
	363	ret = close(dir_fd);
	364	if (ret)
	365	perror("close");
	366	error_closedir:
	367	ret = closedir(dir);
	368	if (ret)
	369	perror("closedir");
	370	error_rmdir:
ca8b2b02	371	ret = rmdir(s_outputname);
989c73bc MD	372	if (ret)
	373	perror("rmdir");
	374	error:
	375	exit(EXIT_FAILURE);
90219914	376	}