[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/compat/utc.h>
#include <babeltrace/endian.h>

#define NSEC_PER_USEC 1000UL
#define NSEC_PER_MSEC 1000000UL
#define NSEC_PER_SEC 1000000000ULL
#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)
{
	if (!s_timestamp)
		return;

	/* Only need to be executed on first pass (dummy) */
	if (pos->dummy)	{
		int has_timestamp = 0;
		unsigned long sec, usec, msec;
		unsigned int year, mon, mday, hour, min;

		/* Extract time from input line */
		if (sscanf(line, "[%lu.%lu] ", &sec, &usec) == 2) {
			*ts = (uint64_t) sec * USEC_PER_SEC + (uint64_t) usec;
			/*
			 * Default CTF clock has 1GHz frequency. Convert
			 * from usec to nsec.
			 */
			*ts *= NSEC_PER_USEC;
			has_timestamp = 1;
		} else if (sscanf(line, "[%u-%u-%u %u:%u:%lu.%lu] ",
				&year, &mon, &mday, &hour, &min,
				&sec, &msec) == 7) {
			time_t ep_sec;
			struct tm ti;

			memset(&ti, 0, sizeof(ti));
			ti.tm_year = year - 1900;	/* from 1900 */
			ti.tm_mon = mon - 1;		/* 0 to 11 */
			ti.tm_mday = mday;
			ti.tm_hour = hour;
			ti.tm_min = min;
			ti.tm_sec = sec;

			ep_sec = babeltrace_timegm(&ti);
			if (ep_sec != (time_t) -1) {
				*ts = (uint64_t) ep_sec * NSEC_PER_SEC
					+ (uint64_t) msec * NSEC_PER_MSEC;
			}
			has_timestamp = 1;
		}
		if (has_timestamp) {
			*tline = strchr(line, ']');
			assert(*tline);
			(*tline)++;
			if ((*tline)[0] == ' ') {
				(*tline)++;
			}
			*tlen = len + line - *tline;
		}
	}
	/* 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);

	for (;;) {
		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;
			}
			continue;
		} else {
			break;
		}
	}

	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;
	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, "                                                 (format: [YYYY-MM-DD HH:MM:SS.MS] 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
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	*
c462e188 MD	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	*
8c572eba MD	28	* Depends on glibc 2.10 for getline().
	29	*/
	30
c696b1b1	31	#define _GNU_SOURCE
00f7fbf0	32	#include <config.h>
90219914 MD	33	#include <sys/types.h>
	34	#include <sys/stat.h>
	35	#include <fcntl.h>
	36	#include <sys/mman.h>
989c73bc	37	#include <dirent.h>
90219914	38	#include <stdio.h>
989c73bc	39	#include <stdlib.h>
90219914 MD	40	#include <stdint.h>
	41	#include <unistd.h>
	42	#include <errno.h>
90219914	43	#include <string.h>
fef3bf22	44	#include <inttypes.h>
90219914	45
70bd0a12	46	#include <babeltrace/babeltrace-internal.h>
8c572eba	47	#include <babeltrace/ctf/types.h>
4cb26dfb	48	#include <babeltrace/compat/uuid.h>
a386e246	49	#include <babeltrace/compat/utc.h>
43e34335	50	#include <babeltrace/endian.h>
8c572eba	51
a386e246 SKC	52	#define NSEC_PER_USEC 1000UL
	53	#define NSEC_PER_MSEC 1000000UL
	54	#define NSEC_PER_SEC 1000000000ULL
bfe09576	55	#define USEC_PER_SEC 1000000UL
ca8b2b02	56
ca8b2b02 MD	57	int babeltrace_debug, babeltrace_verbose;
	58
	59	static char *s_outputname;
	60	static int s_timestamp;
39592eae	61	static int s_help;
43e34335	62	static unsigned char s_uuid[BABELTRACE_UUID_LEN];
ca8b2b02	63
b522ac18 MD	64	/* Metadata format string */
b522ac18 MD	65	static const char metadata_fmt[] =
408a2c4d	66	"/* CTF 1.8 */\n"
989c73bc MD	67	"typealias integer { size = 8; align = 8; signed = false; } := uint8_t;\n"
989c73bc MD	68	"typealias integer { size = 32; align = 32; signed = false; } := uint32_t;\n"
fef3bf22	69	"typealias integer { size = 64; align = 64; signed = false; } := uint64_t;\n"
989c73bc MD	70	"\n"
989c73bc MD	71	"trace {\n"
c818559a MD	72	" major = %u;\n" /* major (e.g. 0) */
c818559a MD	73	" minor = %u;\n" /* minor (e.g. 1) */
b522ac18	74	" uuid = \"%s\";\n" /* UUID */
989c73bc MD	75	" byte_order = %s;\n" /* be or le */
	76	" packet.header := struct {\n"
	77	" uint32_t magic;\n"
b4c19c1e	78	" uint8_t uuid[16];\n"
989c73bc MD	79	" };\n"
	80	"};\n"
	81	"\n"
	82	"stream {\n"
	83	" packet.context := struct {\n"
fef3bf22 MD	84	" uint64_t content_size;\n"
fef3bf22 MD	85	" uint64_t packet_size;\n"
989c73bc	86	" };\n"
ca8b2b02	87	"%s" /* Stream event header (opt.) */
989c73bc MD	88	"};\n"
	89	"\n"
	90	"event {\n"
	91	" name = string;\n"
	92	" fields := struct { string str; };\n"
	93	"};\n";
	94
ca8b2b02 MD	95	static const char metadata_stream_event_header_timestamp[] =
	96	" typealias integer { size = 64; align = 64; signed = false; } := uint64_t;\n"
	97	" event.header := struct {\n"
	98	" uint64_t timestamp;\n"
	99	" };\n";
8c572eba	100
b522ac18 MD	101	static
	102	void print_metadata(FILE *fp)
	103	{
a4dfa07b	104	char uuid_str[BABELTRACE_UUID_STR_LEN];
00f7fbf0 MD	105	unsigned int major = 0, minor = 0;
00f7fbf0 MD	106	int ret;
b522ac18	107
00f7fbf0 MD	108	ret = sscanf(VERSION, "%u.%u", &major, &minor);
	109	if (ret != 2)
	110	fprintf(stderr, "[warning] Incorrect babeltrace version format\n.");
a4dfa07b	111	babeltrace_uuid_unparse(s_uuid, uuid_str);
b522ac18	112	fprintf(fp, metadata_fmt,
00f7fbf0 MD	113	major,
00f7fbf0 MD	114	minor,
b522ac18	115	uuid_str,
ca8b2b02 MD	116	BYTE_ORDER == LITTLE_ENDIAN ? "le" : "be",
ca8b2b02 MD	117	s_timestamp ? metadata_stream_event_header_timestamp : "");
b522ac18 MD	118	}
b522ac18 MD	119
8c572eba	120	static
43e34335	121	void write_packet_header(struct ctf_stream_pos pos, unsigned char uuid)
8c572eba	122	{
46322b33	123	struct ctf_stream_pos dummy;
8c572eba MD	124
8c572eba MD	125	/* magic */
46322b33 MD	126	ctf_dummy_pos(pos, &dummy);
	127	ctf_align_pos(&dummy, sizeof(uint32_t) * CHAR_BIT);
	128	ctf_move_pos(&dummy, sizeof(uint32_t) * CHAR_BIT);
	129	assert(!ctf_pos_packet(&dummy));
d77e781b	130
46322b33 MD	131	ctf_align_pos(pos, sizeof(uint32_t) * CHAR_BIT);
	132	(uint32_t ) ctf_get_pos_addr(pos) = 0xC1FC1FC1;
	133	ctf_move_pos(pos, sizeof(uint32_t) * CHAR_BIT);
8c572eba	134
b4c19c1e	135	/* uuid */
46322b33 MD	136	ctf_dummy_pos(pos, &dummy);
	137	ctf_align_pos(&dummy, sizeof(uint8_t) * CHAR_BIT);
	138	ctf_move_pos(&dummy, 16 * CHAR_BIT);
	139	assert(!ctf_pos_packet(&dummy));
	140
	141	ctf_align_pos(pos, sizeof(uint8_t) * CHAR_BIT);
43e34335 MD	142	memcpy(ctf_get_pos_addr(pos), uuid, BABELTRACE_UUID_LEN);
43e34335 MD	143	ctf_move_pos(pos, BABELTRACE_UUID_LEN * CHAR_BIT);
8c572eba MD	144	}
	145
	146	static
46322b33	147	void write_packet_context(struct ctf_stream_pos *pos)
8c572eba	148	{
46322b33	149	struct ctf_stream_pos dummy;
8c572eba MD	150
8c572eba MD	151	/* content_size */
46322b33	152	ctf_dummy_pos(pos, &dummy);
fef3bf22 MD	153	ctf_align_pos(&dummy, sizeof(uint64_t) * CHAR_BIT);
fef3bf22 MD	154	ctf_move_pos(&dummy, sizeof(uint64_t) * CHAR_BIT);
46322b33	155	assert(!ctf_pos_packet(&dummy));
d77e781b	156
fef3bf22 MD	157	ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT);
	158	(uint64_t ) ctf_get_pos_addr(pos) = ~0ULL; /* Not known yet */
	159	pos->content_size_loc = (uint64_t *) ctf_get_pos_addr(pos);
	160	ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT);
8c572eba MD	161
8c572eba MD	162	/* packet_size */
46322b33	163	ctf_dummy_pos(pos, &dummy);
fef3bf22 MD	164	ctf_align_pos(&dummy, sizeof(uint64_t) * CHAR_BIT);
fef3bf22 MD	165	ctf_move_pos(&dummy, sizeof(uint64_t) * CHAR_BIT);
46322b33	166	assert(!ctf_pos_packet(&dummy));
d77e781b	167
fef3bf22 MD	168	ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT);
	169	(uint64_t ) ctf_get_pos_addr(pos) = pos->packet_size;
	170	ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT);
8c572eba MD	171	}
8c572eba MD	172
ca8b2b02 MD	173	static
	174	void write_event_header(struct ctf_stream_pos pos, char line,
	175	char *tline, size_t len, size_t tlen,
	176	uint64_t *ts)
	177	{
ca8b2b02 MD	178	if (!s_timestamp)
	179	return;
	180
	181	/* Only need to be executed on first pass (dummy) */
a386e246 SKC	182	if (pos->dummy) {
	183	int has_timestamp = 0;
	184	unsigned long sec, usec, msec;
	185	unsigned int year, mon, mday, hour, min;
08c82b90	186
ca8b2b02	187	/* Extract time from input line */
a386e246 SKC	188	if (sscanf(line, "[%lu.%lu] ", &sec, &usec) == 2) {
	189	ts = (uint64_t) sec USEC_PER_SEC + (uint64_t) usec;
	190	/*
	191	* Default CTF clock has 1GHz frequency. Convert
	192	* from usec to nsec.
	193	*/
	194	ts = NSEC_PER_USEC;
	195	has_timestamp = 1;
	196	} else if (sscanf(line, "[%u-%u-%u %u:%u:%lu.%lu] ",
	197	&year, &mon, &mday, &hour, &min,
	198	&sec, &msec) == 7) {
	199	time_t ep_sec;
	200	struct tm ti;
	201
	202	memset(&ti, 0, sizeof(ti));
	203	ti.tm_year = year - 1900; /* from 1900 */
	204	ti.tm_mon = mon - 1; /* 0 to 11 */
	205	ti.tm_mday = mday;
	206	ti.tm_hour = hour;
	207	ti.tm_min = min;
	208	ti.tm_sec = sec;
	209
	210	ep_sec = babeltrace_timegm(&ti);
	211	if (ep_sec != (time_t) -1) {
	212	ts = (uint64_t) ep_sec NSEC_PER_SEC
	213	+ (uint64_t) msec * NSEC_PER_MSEC;
	214	}
	215	has_timestamp = 1;
	216	}
	217	if (has_timestamp) {
ca8b2b02	218	*tline = strchr(line, ']');
bfe09576 MD	219	assert(*tline);
	220	(*tline)++;
	221	if ((*tline)[0] == ' ') {
ca8b2b02	222	(*tline)++;
bfe09576	223	}
ca8b2b02	224	tlen = len + line - tline;
ca8b2b02 MD	225	}
	226	}
	227	/* timestamp */
	228	ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT);
	229	if (!pos->dummy)
bc7eb6c8	230	(uint64_t ) ctf_get_pos_addr(pos) = *ts;
ca8b2b02 MD	231	ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT);
	232	}
	233
8c572eba	234	static
46322b33	235	void trace_string(char line, struct ctf_stream_pos pos, size_t len)
8c572eba	236	{
46322b33	237	struct ctf_stream_pos dummy;
8c572eba	238	int attempt = 0;
ca8b2b02 MD	239	char tline = line; / tline is start of text, after timestamp */
	240	size_t tlen = len;
	241	uint64_t ts = 0;
8c572eba MD	242
8c572eba MD	243	printf_debug("read: %s\n", line);
08c82b90 MD	244
	245	for (;;) {
	246	ctf_dummy_pos(pos, &dummy);
	247	write_event_header(&dummy, line, &tline, len, &tlen, &ts);
	248	ctf_align_pos(&dummy, sizeof(uint8_t) * CHAR_BIT);
	249	ctf_move_pos(&dummy, tlen * CHAR_BIT);
	250	if (ctf_pos_packet(&dummy)) {
	251	ctf_pos_pad_packet(pos);
	252	write_packet_header(pos, s_uuid);
	253	write_packet_context(pos);
	254	if (attempt++ == 1) {
	255	fprintf(stderr, "[Error] Line too large for packet size (%" PRIu64 "kB) (discarded)\n",
	256	pos->packet_size / CHAR_BIT / 1024);
	257	return;
	258	}
	259	continue;
	260	} else {
	261	break;
8c572eba	262	}
8c572eba MD	263	}
8c572eba MD	264
ca8b2b02	265	write_event_header(pos, line, &tline, len, &tlen, &ts);
46322b33	266	ctf_align_pos(pos, sizeof(uint8_t) * CHAR_BIT);
ca8b2b02 MD	267	memcpy(ctf_get_pos_addr(pos), tline, tlen);
ca8b2b02 MD	268	ctf_move_pos(pos, tlen * CHAR_BIT);
8c572eba MD	269	}
	270
	271	static
	272	void trace_text(FILE *input, int output)
	273	{
46322b33	274	struct ctf_stream_pos pos;
8c572eba MD	275	ssize_t len;
	276	char line = NULL, nl;
	277	size_t linesize;
f824ae04	278	int ret;
8c572eba	279
89ca8829	280	memset(&pos, 0, sizeof(pos));
ca334c72	281	ret = ctf_init_pos(&pos, NULL, output, O_RDWR);
f824ae04 MD	282	if (ret) {
	283	fprintf(stderr, "Error in ctf_init_pos\n");
	284	return;
	285	}
8c572eba MD	286	write_packet_header(&pos, s_uuid);
	287	write_packet_context(&pos);
	288	for (;;) {
	289	len = getline(&line, &linesize, input);
	290	if (len < 0)
	291	break;
	292	nl = strrchr(line, '\n');
c5e6c71b	293	if (nl) {
8c572eba	294	*nl = '\0';
c5e6c71b HZ	295	trace_string(line, &pos, nl - line + 1);
	296	} else {
	297	trace_string(line, &pos, strlen(line) + 1);
	298	}
8c572eba	299	}
f824ae04 MD	300	ret = ctf_fini_pos(&pos);
	301	if (ret) {
	302	fprintf(stderr, "Error in ctf_fini_pos\n");
	303	}
8c572eba	304	}
90219914	305
ca8b2b02 MD	306	static
ca8b2b02 MD	307	void usage(FILE *fp)
989c73bc	308	{
00f7fbf0	309	fprintf(fp, "BabelTrace Log Converter %s\n", VERSION);
989c73bc MD	310	fprintf(fp, "\n");
	311	fprintf(fp, "Convert for a text log (read from standard input) to CTF.\n");
	312	fprintf(fp, "\n");
78893e6e	313	fprintf(fp, "usage : babeltrace-log [OPTIONS] OUTPUT\n");
989c73bc MD	314	fprintf(fp, "\n");
	315	fprintf(fp, " OUTPUT Output trace path\n");
	316	fprintf(fp, "\n");
78893e6e	317	fprintf(fp, " -t With timestamps (format: [sec.usec] string\\n)\n");
a386e246	318	fprintf(fp, " (format: [YYYY-MM-DD HH:MM:SS.MS] string\\n)\n");
78893e6e	319	fprintf(fp, "\n");
989c73bc MD	320	}
989c73bc MD	321
ca8b2b02 MD	322	static
	323	int parse_args(int argc, char **argv)
	324	{
	325	int i;
	326
	327	for (i = 1; i < argc; i++) {
	328	if (!strcmp(argv[i], "-t"))
	329	s_timestamp = 1;
39592eae MD	330	else if (!strcmp(argv[i], "-h")) {
	331	s_help = 1;
	332	return 0;
	333	} else if (argv[i][0] == '-')
	334	return -EINVAL;
ca8b2b02 MD	335	else
	336	s_outputname = argv[i];
	337	}
	338	if (!s_outputname)
	339	return -EINVAL;
	340	return 0;
	341	}
	342
90219914 MD	343	int main(int argc, char **argv)
90219914 MD	344	{
b522ac18	345	int fd, metadata_fd, ret;
989c73bc MD	346	DIR *dir;
989c73bc MD	347	int dir_fd;
b522ac18	348	FILE *metadata_fp;
90219914	349
ca8b2b02 MD	350	ret = parse_args(argc, argv);
ca8b2b02 MD	351	if (ret) {
3394d22e MD	352	fprintf(stderr, "Error: invalid argument.\n");
3394d22e MD	353	usage(stderr);
989c73bc	354	goto error;
90219914	355	}
90219914	356
39592eae MD	357	if (s_help) {
	358	usage(stdout);
	359	exit(EXIT_SUCCESS);
	360	}
	361
ca8b2b02	362	ret = mkdir(s_outputname, S_IRWXU\|S_IRWXG);
90219914	363	if (ret) {
989c73bc MD	364	perror("mkdir");
	365	goto error;
	366	}
	367
ca8b2b02	368	dir = opendir(s_outputname);
989c73bc MD	369	if (!dir) {
	370	perror("opendir");
	371	goto error_rmdir;
	372	}
	373	dir_fd = dirfd(dir);
	374	if (dir_fd < 0) {
	375	perror("dirfd");
	376	goto error_closedir;
	377	}
	378
	379	fd = openat(dir_fd, "datastream", O_RDWR\|O_CREAT,
	380	S_IRUSR\|S_IWUSR\|S_IRGRP\|S_IWGRP);
	381	if (fd < 0) {
	382	perror("openat");
	383	goto error_closedirfd;
90219914	384	}
90219914	385
b522ac18 MD	386	metadata_fd = openat(dir_fd, "metadata", O_RDWR\|O_CREAT,
b522ac18 MD	387	S_IRUSR\|S_IWUSR\|S_IRGRP\|S_IWGRP);
9396a982	388	if (metadata_fd < 0) {
b522ac18 MD	389	perror("openat");
	390	goto error_closedatastream;
	391	}
	392	metadata_fp = fdopen(metadata_fd, "w");
	393	if (!metadata_fp) {
	394	perror("fdopen");
	395	goto error_closemetadatafd;
	396	}
	397
43e34335	398	babeltrace_uuid_generate(s_uuid);
b522ac18	399	print_metadata(metadata_fp);
8c572eba	400	trace_text(stdin, fd);
989c73bc	401
f824ae04 MD	402	ret = close(fd);
	403	if (ret)
	404	perror("close");
989c73bc MD	405	exit(EXIT_SUCCESS);
	406
	407	/* error handling */
b522ac18 MD	408	error_closemetadatafd:
	409	ret = close(metadata_fd);
	410	if (ret)
	411	perror("close");
	412	error_closedatastream:
	413	ret = close(fd);
	414	if (ret)
	415	perror("close");
989c73bc MD	416	error_closedirfd:
	417	ret = close(dir_fd);
	418	if (ret)
	419	perror("close");
	420	error_closedir:
	421	ret = closedir(dir);
	422	if (ret)
	423	perror("closedir");
	424	error_rmdir:
ca8b2b02	425	ret = rmdir(s_outputname);
989c73bc MD	426	if (ret)
	427	perror("rmdir");
	428	error:
	429	exit(EXIT_FAILURE);
90219914	430	}