[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.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 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/compat/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);
	if (!ctf_align_pos(&dummy, sizeof(uint32_t) * CHAR_BIT))
		goto error;
	if (!ctf_move_pos(&dummy, sizeof(uint32_t) * CHAR_BIT))
		goto error;
	assert(!ctf_pos_packet(&dummy));

	if (!ctf_align_pos(pos, sizeof(uint32_t) * CHAR_BIT))
		goto error;
	*(uint32_t *) ctf_get_pos_addr(pos) = 0xC1FC1FC1;
	if (!ctf_move_pos(pos, sizeof(uint32_t) * CHAR_BIT))
		goto error;

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

	if (!ctf_align_pos(pos, sizeof(uint8_t) * CHAR_BIT))
		goto error;
	memcpy(ctf_get_pos_addr(pos), uuid, BABELTRACE_UUID_LEN);
	if (!ctf_move_pos(pos, BABELTRACE_UUID_LEN * CHAR_BIT))
		goto error;
	return;

error:
	fprintf(stderr, "[error] Out of packet bounds when writing packet header\n");
	abort();
}

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

	/* content_size */
	ctf_dummy_pos(pos, &dummy);
	if (!ctf_align_pos(&dummy, sizeof(uint64_t) * CHAR_BIT))
		goto error;
	if (!ctf_move_pos(&dummy, sizeof(uint64_t) * CHAR_BIT))
		goto error;
	assert(!ctf_pos_packet(&dummy));

	if (!ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT))
		goto error;
	*(uint64_t *) ctf_get_pos_addr(pos) = ~0ULL;	/* Not known yet */
	pos->content_size_loc = (uint64_t *) ctf_get_pos_addr(pos);
	if (!ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT))
		goto error;

	/* packet_size */
	ctf_dummy_pos(pos, &dummy);
	if (!ctf_align_pos(&dummy, sizeof(uint64_t) * CHAR_BIT))
		goto error;
	if (!ctf_move_pos(&dummy, sizeof(uint64_t) * CHAR_BIT))
		goto error;
	assert(!ctf_pos_packet(&dummy));

	if (!ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT))
		goto error;
	*(uint64_t *) ctf_get_pos_addr(pos) = pos->packet_size;
	if (!ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT))
		goto error;
	return;

error:
	fprintf(stderr, "[error] Out of packet bounds when writing packet context\n");
	abort();
}

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;

	if (!s_timestamp)
		return;

	/* Only need to be executed on first pass (dummy) */
	if (pos->dummy) {
		int ret;

		/* 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;
			/*
			 * Default CTF clock has 1GHz frequency. Convert
			 * from usec to nsec.
			 */
			*ts *= 1000;
		}
	}
	/* timestamp */
	if (!ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT))
		goto error;
	if (!pos->dummy)
		*(uint64_t *) ctf_get_pos_addr(pos) = *ts;
	if (!ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT))
		goto error;
	return;

error:
	fprintf(stderr, "[error] Out of packet bounds when writing event header\n");
	abort();
}

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);

	for (;;) {
		ctf_dummy_pos(pos, &dummy);
		write_event_header(&dummy, line, &tline, len, &tlen, &ts);
		if (!ctf_align_pos(&dummy, sizeof(uint8_t) * CHAR_BIT))
			goto error;
		if (!ctf_move_pos(&dummy, tlen * CHAR_BIT))
			goto error;
		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;
			}
			continue;
		} else {
			break;
		}
	}

	write_event_header(pos, line, &tline, len, &tlen, &ts);
	if (!ctf_align_pos(pos, sizeof(uint8_t) * CHAR_BIT))
		goto error;
	memcpy(ctf_get_pos_addr(pos), tline, tlen);
	if (!ctf_move_pos(pos, tlen * CHAR_BIT))
		goto error;
	return;

error:
	fprintf(stderr, "[error] Out of packet bounds when writing event payload\n");
	abort();
}

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

	memset(&pos, 0, sizeof(pos));
	ret = ctf_init_pos(&pos, NULL, output, O_RDWR);
	if (ret) {
		fprintf(stderr, "Error in ctf_init_pos\n");
		return;
	}
	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);
		}
	}
	ret = ctf_fini_pos(&pos);
	if (ret) {
		fprintf(stderr, "Error in ctf_fini_pos\n");
	}
}

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 (metadata_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);

	ret = close(fd);
	if (ret)
		perror("close");
	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
	1	/*
	2	* babeltrace-log.c
	3	*
	4	* BabelTrace - Convert Text Log to CTF
	5	*
	6	* Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
	7	*
	8	* Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
	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	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	21	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	23	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	24	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	25	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	26	* SOFTWARE.
	27	*
	28	* Depends on glibc 2.10 for getline().
	29	*/
	30
	31	#define _GNU_SOURCE
	32	#include <config.h>
	33	#include <sys/types.h>
	34	#include <sys/stat.h>
	35	#include <fcntl.h>
	36	#include <sys/mman.h>
	37	#include <dirent.h>
	38	#include <stdio.h>
	39	#include <stdlib.h>
	40	#include <stdint.h>
	41	#include <unistd.h>
	42	#include <errno.h>
	43	#include <string.h>
	44	#include <inttypes.h>
	45
	46	#include <babeltrace/babeltrace-internal.h>
	47	#include <babeltrace/ctf/types.h>
	48	#include <babeltrace/compat/uuid.h>
	49	#include <babeltrace/endian.h>
	50
	51	#define USEC_PER_SEC 1000000UL
	52
	53	int babeltrace_debug, babeltrace_verbose;
	54
	55	static char *s_outputname;
	56	static int s_timestamp;
	57	static int s_help;
	58	static unsigned char s_uuid[BABELTRACE_UUID_LEN];
	59
	60	/* Metadata format string */
	61	static const char metadata_fmt[] =
	62	"/* CTF 1.8 */\n"
	63	"typealias integer { size = 8; align = 8; signed = false; } := uint8_t;\n"
	64	"typealias integer { size = 32; align = 32; signed = false; } := uint32_t;\n"
	65	"typealias integer { size = 64; align = 64; signed = false; } := uint64_t;\n"
	66	"\n"
	67	"trace {\n"
	68	" major = %u;\n" /* major (e.g. 0) */
	69	" minor = %u;\n" /* minor (e.g. 1) */
	70	" uuid = \"%s\";\n" /* UUID */
	71	" byte_order = %s;\n" /* be or le */
	72	" packet.header := struct {\n"
	73	" uint32_t magic;\n"
	74	" uint8_t uuid[16];\n"
	75	" };\n"
	76	"};\n"
	77	"\n"
	78	"stream {\n"
	79	" packet.context := struct {\n"
	80	" uint64_t content_size;\n"
	81	" uint64_t packet_size;\n"
	82	" };\n"
	83	"%s" /* Stream event header (opt.) */
	84	"};\n"
	85	"\n"
	86	"event {\n"
	87	" name = string;\n"
	88	" fields := struct { string str; };\n"
	89	"};\n";
	90
	91	static const char metadata_stream_event_header_timestamp[] =
	92	" typealias integer { size = 64; align = 64; signed = false; } := uint64_t;\n"
	93	" event.header := struct {\n"
	94	" uint64_t timestamp;\n"
	95	" };\n";
	96
	97	static
	98	void print_metadata(FILE *fp)
	99	{
	100	char uuid_str[BABELTRACE_UUID_STR_LEN];
	101	unsigned int major = 0, minor = 0;
	102	int ret;
	103
	104	ret = sscanf(VERSION, "%u.%u", &major, &minor);
	105	if (ret != 2)
	106	fprintf(stderr, "[warning] Incorrect babeltrace version format\n.");
	107	babeltrace_uuid_unparse(s_uuid, uuid_str);
	108	fprintf(fp, metadata_fmt,
	109	major,
	110	minor,
	111	uuid_str,
	112	BYTE_ORDER == LITTLE_ENDIAN ? "le" : "be",
	113	s_timestamp ? metadata_stream_event_header_timestamp : "");
	114	}
	115
	116	static
	117	void write_packet_header(struct ctf_stream_pos pos, unsigned char uuid)
	118	{
	119	struct ctf_stream_pos dummy;
	120
	121	/* magic */
	122	ctf_dummy_pos(pos, &dummy);
	123	if (!ctf_align_pos(&dummy, sizeof(uint32_t) * CHAR_BIT))
	124	goto error;
	125	if (!ctf_move_pos(&dummy, sizeof(uint32_t) * CHAR_BIT))
	126	goto error;
	127	assert(!ctf_pos_packet(&dummy));
	128
	129	if (!ctf_align_pos(pos, sizeof(uint32_t) * CHAR_BIT))
	130	goto error;
	131	(uint32_t ) ctf_get_pos_addr(pos) = 0xC1FC1FC1;
	132	if (!ctf_move_pos(pos, sizeof(uint32_t) * CHAR_BIT))
	133	goto error;
	134
	135	/* uuid */
	136	ctf_dummy_pos(pos, &dummy);
	137	if (!ctf_align_pos(&dummy, sizeof(uint8_t) * CHAR_BIT))
	138	goto error;
	139	if (!ctf_move_pos(&dummy, 16 * CHAR_BIT))
	140	goto error;
	141	assert(!ctf_pos_packet(&dummy));
	142
	143	if (!ctf_align_pos(pos, sizeof(uint8_t) * CHAR_BIT))
	144	goto error;
	145	memcpy(ctf_get_pos_addr(pos), uuid, BABELTRACE_UUID_LEN);
	146	if (!ctf_move_pos(pos, BABELTRACE_UUID_LEN * CHAR_BIT))
	147	goto error;
	148	return;
	149
	150	error:
	151	fprintf(stderr, "[error] Out of packet bounds when writing packet header\n");
	152	abort();
	153	}
	154
	155	static
	156	void write_packet_context(struct ctf_stream_pos *pos)
	157	{
	158	struct ctf_stream_pos dummy;
	159
	160	/* content_size */
	161	ctf_dummy_pos(pos, &dummy);
	162	if (!ctf_align_pos(&dummy, sizeof(uint64_t) * CHAR_BIT))
	163	goto error;
	164	if (!ctf_move_pos(&dummy, sizeof(uint64_t) * CHAR_BIT))
	165	goto error;
	166	assert(!ctf_pos_packet(&dummy));
	167
	168	if (!ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT))
	169	goto error;
	170	(uint64_t ) ctf_get_pos_addr(pos) = ~0ULL; /* Not known yet */
	171	pos->content_size_loc = (uint64_t *) ctf_get_pos_addr(pos);
	172	if (!ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT))
	173	goto error;
	174
	175	/* packet_size */
	176	ctf_dummy_pos(pos, &dummy);
	177	if (!ctf_align_pos(&dummy, sizeof(uint64_t) * CHAR_BIT))
	178	goto error;
	179	if (!ctf_move_pos(&dummy, sizeof(uint64_t) * CHAR_BIT))
	180	goto error;
	181	assert(!ctf_pos_packet(&dummy));
	182
	183	if (!ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT))
	184	goto error;
	185	(uint64_t ) ctf_get_pos_addr(pos) = pos->packet_size;
	186	if (!ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT))
	187	goto error;
	188	return;
	189
	190	error:
	191	fprintf(stderr, "[error] Out of packet bounds when writing packet context\n");
	192	abort();
	193	}
	194
	195	static
	196	void write_event_header(struct ctf_stream_pos pos, char line,
	197	char *tline, size_t len, size_t tlen,
	198	uint64_t *ts)
	199	{
	200	unsigned long sec, usec;
	201
	202	if (!s_timestamp)
	203	return;
	204
	205	/* Only need to be executed on first pass (dummy) */
	206	if (pos->dummy) {
	207	int ret;
	208
	209	/* Extract time from input line */
	210	ret = sscanf(line, "[%lu.%lu] ", &sec, &usec);
	211	if (ret == 2) {
	212	*tline = strchr(line, ']');
	213	assert(*tline);
	214	(*tline)++;
	215	if ((*tline)[0] == ' ') {
	216	(*tline)++;
	217	}
	218	tlen = len + line - tline;
	219	ts = (uint64_t) sec USEC_PER_SEC + (uint64_t) usec;
	220	/*
	221	* Default CTF clock has 1GHz frequency. Convert
	222	* from usec to nsec.
	223	*/
	224	ts = 1000;
	225	}
	226	}
	227	/* timestamp */
	228	if (!ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT))
	229	goto error;
	230	if (!pos->dummy)
	231	(uint64_t ) ctf_get_pos_addr(pos) = *ts;
	232	if (!ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT))
	233	goto error;
	234	return;
	235
	236	error:
	237	fprintf(stderr, "[error] Out of packet bounds when writing event header\n");
	238	abort();
	239	}
	240
	241	static
	242	void trace_string(char line, struct ctf_stream_pos pos, size_t len)
	243	{
	244	struct ctf_stream_pos dummy;
	245	int attempt = 0;
	246	char tline = line; / tline is start of text, after timestamp */
	247	size_t tlen = len;
	248	uint64_t ts = 0;
	249
	250	printf_debug("read: %s\n", line);
	251
	252	for (;;) {
	253	ctf_dummy_pos(pos, &dummy);
	254	write_event_header(&dummy, line, &tline, len, &tlen, &ts);
	255	if (!ctf_align_pos(&dummy, sizeof(uint8_t) * CHAR_BIT))
	256	goto error;
	257	if (!ctf_move_pos(&dummy, tlen * CHAR_BIT))
	258	goto error;
	259	if (ctf_pos_packet(&dummy)) {
	260	ctf_pos_pad_packet(pos);
	261	write_packet_header(pos, s_uuid);
	262	write_packet_context(pos);
	263	if (attempt++ == 1) {
	264	fprintf(stderr, "[Error] Line too large for packet size (%" PRIu64 "kB) (discarded)\n",
	265	pos->packet_size / CHAR_BIT / 1024);
	266	return;
	267	}
	268	continue;
	269	} else {
	270	break;
	271	}
	272	}
	273
	274	write_event_header(pos, line, &tline, len, &tlen, &ts);
	275	if (!ctf_align_pos(pos, sizeof(uint8_t) * CHAR_BIT))
	276	goto error;
	277	memcpy(ctf_get_pos_addr(pos), tline, tlen);
	278	if (!ctf_move_pos(pos, tlen * CHAR_BIT))
	279	goto error;
	280	return;
	281
	282	error:
	283	fprintf(stderr, "[error] Out of packet bounds when writing event payload\n");
	284	abort();
	285	}
	286
	287	static
	288	void trace_text(FILE *input, int output)
	289	{
	290	struct ctf_stream_pos pos;
	291	ssize_t len;
	292	char line = NULL, nl;
	293	size_t linesize;
	294	int ret;
	295
	296	memset(&pos, 0, sizeof(pos));
	297	ret = ctf_init_pos(&pos, NULL, output, O_RDWR);
	298	if (ret) {
	299	fprintf(stderr, "Error in ctf_init_pos\n");
	300	return;
	301	}
	302	write_packet_header(&pos, s_uuid);
	303	write_packet_context(&pos);
	304	for (;;) {
	305	len = getline(&line, &linesize, input);
	306	if (len < 0)
	307	break;
	308	nl = strrchr(line, '\n');
	309	if (nl) {
	310	*nl = '\0';
	311	trace_string(line, &pos, nl - line + 1);
	312	} else {
	313	trace_string(line, &pos, strlen(line) + 1);
	314	}
	315	}
	316	ret = ctf_fini_pos(&pos);
	317	if (ret) {
	318	fprintf(stderr, "Error in ctf_fini_pos\n");
	319	}
	320	}
	321
	322	static
	323	void usage(FILE *fp)
	324	{
	325	fprintf(fp, "BabelTrace Log Converter %s\n", VERSION);
	326	fprintf(fp, "\n");
	327	fprintf(fp, "Convert for a text log (read from standard input) to CTF.\n");
	328	fprintf(fp, "\n");
	329	fprintf(fp, "usage : babeltrace-log [OPTIONS] OUTPUT\n");
	330	fprintf(fp, "\n");
	331	fprintf(fp, " OUTPUT Output trace path\n");
	332	fprintf(fp, "\n");
	333	fprintf(fp, " -t With timestamps (format: [sec.usec] string\\n)\n");
	334	fprintf(fp, "\n");
	335	}
	336
	337	static
	338	int parse_args(int argc, char **argv)
	339	{
	340	int i;
	341
	342	for (i = 1; i < argc; i++) {
	343	if (!strcmp(argv[i], "-t"))
	344	s_timestamp = 1;
	345	else if (!strcmp(argv[i], "-h")) {
	346	s_help = 1;
	347	return 0;
	348	} else if (argv[i][0] == '-')
	349	return -EINVAL;
	350	else
	351	s_outputname = argv[i];
	352	}
	353	if (!s_outputname)
	354	return -EINVAL;
	355	return 0;
	356	}
	357
	358	int main(int argc, char **argv)
	359	{
	360	int fd, metadata_fd, ret;
	361	DIR *dir;
	362	int dir_fd;
	363	FILE *metadata_fp;
	364
	365	ret = parse_args(argc, argv);
	366	if (ret) {
	367	fprintf(stderr, "Error: invalid argument.\n");
	368	usage(stderr);
	369	goto error;
	370	}
	371
	372	if (s_help) {
	373	usage(stdout);
	374	exit(EXIT_SUCCESS);
	375	}
	376
	377	ret = mkdir(s_outputname, S_IRWXU\|S_IRWXG);
	378	if (ret) {
	379	perror("mkdir");
	380	goto error;
	381	}
	382
	383	dir = opendir(s_outputname);
	384	if (!dir) {
	385	perror("opendir");
	386	goto error_rmdir;
	387	}
	388	dir_fd = dirfd(dir);
	389	if (dir_fd < 0) {
	390	perror("dirfd");
	391	goto error_closedir;
	392	}
	393
	394	fd = openat(dir_fd, "datastream", O_RDWR\|O_CREAT,
	395	S_IRUSR\|S_IWUSR\|S_IRGRP\|S_IWGRP);
	396	if (fd < 0) {
	397	perror("openat");
	398	goto error_closedirfd;
	399	}
	400
	401	metadata_fd = openat(dir_fd, "metadata", O_RDWR\|O_CREAT,
	402	S_IRUSR\|S_IWUSR\|S_IRGRP\|S_IWGRP);
	403	if (metadata_fd < 0) {
	404	perror("openat");
	405	goto error_closedatastream;
	406	}
	407	metadata_fp = fdopen(metadata_fd, "w");
	408	if (!metadata_fp) {
	409	perror("fdopen");
	410	goto error_closemetadatafd;
	411	}
	412
	413	babeltrace_uuid_generate(s_uuid);
	414	print_metadata(metadata_fp);
	415	trace_text(stdin, fd);
	416
	417	ret = close(fd);
	418	if (ret)
	419	perror("close");
	420	exit(EXIT_SUCCESS);
	421
	422	/* error handling */
	423	error_closemetadatafd:
	424	ret = close(metadata_fd);
	425	if (ret)
	426	perror("close");
	427	error_closedatastream:
	428	ret = close(fd);
	429	if (ret)
	430	perror("close");
	431	error_closedirfd:
	432	ret = close(dir_fd);
	433	if (ret)
	434	perror("close");
	435	error_closedir:
	436	ret = closedir(dir);
	437	if (ret)
	438	perror("closedir");
	439	error_rmdir:
	440	ret = rmdir(s_outputname);
	441	if (ret)
	442	perror("rmdir");
	443	error:
	444	exit(EXIT_FAILURE);
	445	}