[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);
	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)
{
	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 */
	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, "                                                 (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	126	ctf_dummy_pos(pos, &dummy);
70fd5a51 MD	127	if (!ctf_align_pos(&dummy, sizeof(uint32_t) * CHAR_BIT))
	128	goto error;
	129	if (!ctf_move_pos(&dummy, sizeof(uint32_t) * CHAR_BIT))
	130	goto error;
46322b33	131	assert(!ctf_pos_packet(&dummy));
d77e781b	132
70fd5a51 MD	133	if (!ctf_align_pos(pos, sizeof(uint32_t) * CHAR_BIT))
70fd5a51 MD	134	goto error;
46322b33	135	(uint32_t ) ctf_get_pos_addr(pos) = 0xC1FC1FC1;
70fd5a51 MD	136	if (!ctf_move_pos(pos, sizeof(uint32_t) * CHAR_BIT))
70fd5a51 MD	137	goto error;
8c572eba	138
b4c19c1e	139	/* uuid */
46322b33	140	ctf_dummy_pos(pos, &dummy);
70fd5a51 MD	141	if (!ctf_align_pos(&dummy, sizeof(uint8_t) * CHAR_BIT))
	142	goto error;
	143	if (!ctf_move_pos(&dummy, 16 * CHAR_BIT))
	144	goto error;
46322b33 MD	145	assert(!ctf_pos_packet(&dummy));
46322b33 MD	146
70fd5a51 MD	147	if (!ctf_align_pos(pos, sizeof(uint8_t) * CHAR_BIT))
70fd5a51 MD	148	goto error;
43e34335	149	memcpy(ctf_get_pos_addr(pos), uuid, BABELTRACE_UUID_LEN);
70fd5a51 MD	150	if (!ctf_move_pos(pos, BABELTRACE_UUID_LEN * CHAR_BIT))
	151	goto error;
	152	return;
	153
	154	error:
	155	fprintf(stderr, "[error] Out of packet bounds when writing packet header\n");
	156	abort();
8c572eba MD	157	}
	158
	159	static
46322b33	160	void write_packet_context(struct ctf_stream_pos *pos)
8c572eba	161	{
46322b33	162	struct ctf_stream_pos dummy;
8c572eba MD	163
8c572eba MD	164	/* content_size */
46322b33	165	ctf_dummy_pos(pos, &dummy);
70fd5a51 MD	166	if (!ctf_align_pos(&dummy, sizeof(uint64_t) * CHAR_BIT))
	167	goto error;
	168	if (!ctf_move_pos(&dummy, sizeof(uint64_t) * CHAR_BIT))
	169	goto error;
46322b33	170	assert(!ctf_pos_packet(&dummy));
d77e781b	171
70fd5a51 MD	172	if (!ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT))
70fd5a51 MD	173	goto error;
fef3bf22 MD	174	(uint64_t ) ctf_get_pos_addr(pos) = ~0ULL; /* Not known yet */
fef3bf22 MD	175	pos->content_size_loc = (uint64_t *) ctf_get_pos_addr(pos);
70fd5a51 MD	176	if (!ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT))
70fd5a51 MD	177	goto error;
8c572eba MD	178
8c572eba MD	179	/* packet_size */
46322b33	180	ctf_dummy_pos(pos, &dummy);
70fd5a51 MD	181	if (!ctf_align_pos(&dummy, sizeof(uint64_t) * CHAR_BIT))
	182	goto error;
	183	if (!ctf_move_pos(&dummy, sizeof(uint64_t) * CHAR_BIT))
	184	goto error;
46322b33	185	assert(!ctf_pos_packet(&dummy));
d77e781b	186
70fd5a51 MD	187	if (!ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT))
70fd5a51 MD	188	goto error;
fef3bf22	189	(uint64_t ) ctf_get_pos_addr(pos) = pos->packet_size;
70fd5a51 MD	190	if (!ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT))
	191	goto error;
	192	return;
	193
	194	error:
	195	fprintf(stderr, "[error] Out of packet bounds when writing packet context\n");
	196	abort();
8c572eba MD	197	}
8c572eba MD	198
ca8b2b02 MD	199	static
	200	void write_event_header(struct ctf_stream_pos pos, char line,
	201	char *tline, size_t len, size_t tlen,
	202	uint64_t *ts)
	203	{
ca8b2b02 MD	204	if (!s_timestamp)
	205	return;
	206
	207	/* Only need to be executed on first pass (dummy) */
a386e246 SKC	208	if (pos->dummy) {
	209	int has_timestamp = 0;
	210	unsigned long sec, usec, msec;
	211	unsigned int year, mon, mday, hour, min;
08c82b90	212
ca8b2b02	213	/* Extract time from input line */
a386e246 SKC	214	if (sscanf(line, "[%lu.%lu] ", &sec, &usec) == 2) {
	215	ts = (uint64_t) sec USEC_PER_SEC + (uint64_t) usec;
	216	/*
	217	* Default CTF clock has 1GHz frequency. Convert
	218	* from usec to nsec.
	219	*/
	220	ts = NSEC_PER_USEC;
	221	has_timestamp = 1;
	222	} else if (sscanf(line, "[%u-%u-%u %u:%u:%lu.%lu] ",
	223	&year, &mon, &mday, &hour, &min,
	224	&sec, &msec) == 7) {
	225	time_t ep_sec;
	226	struct tm ti;
	227
	228	memset(&ti, 0, sizeof(ti));
	229	ti.tm_year = year - 1900; /* from 1900 */
	230	ti.tm_mon = mon - 1; /* 0 to 11 */
	231	ti.tm_mday = mday;
	232	ti.tm_hour = hour;
	233	ti.tm_min = min;
	234	ti.tm_sec = sec;
	235
	236	ep_sec = babeltrace_timegm(&ti);
	237	if (ep_sec != (time_t) -1) {
	238	ts = (uint64_t) ep_sec NSEC_PER_SEC
	239	+ (uint64_t) msec * NSEC_PER_MSEC;
	240	}
	241	has_timestamp = 1;
	242	}
	243	if (has_timestamp) {
ca8b2b02	244	*tline = strchr(line, ']');
bfe09576 MD	245	assert(*tline);
	246	(*tline)++;
	247	if ((*tline)[0] == ' ') {
ca8b2b02	248	(*tline)++;
bfe09576	249	}
ca8b2b02	250	tlen = len + line - tline;
ca8b2b02 MD	251	}
	252	}
	253	/* timestamp */
70fd5a51 MD	254	if (!ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT))
70fd5a51 MD	255	goto error;
ca8b2b02	256	if (!pos->dummy)
bc7eb6c8	257	(uint64_t ) ctf_get_pos_addr(pos) = *ts;
70fd5a51 MD	258	if (!ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT))
	259	goto error;
	260	return;
	261
	262	error:
	263	fprintf(stderr, "[error] Out of packet bounds when writing event header\n");
	264	abort();
ca8b2b02 MD	265	}
ca8b2b02 MD	266
8c572eba	267	static
46322b33	268	void trace_string(char line, struct ctf_stream_pos pos, size_t len)
8c572eba	269	{
46322b33	270	struct ctf_stream_pos dummy;
8c572eba	271	int attempt = 0;
ca8b2b02 MD	272	char tline = line; / tline is start of text, after timestamp */
	273	size_t tlen = len;
	274	uint64_t ts = 0;
8c572eba MD	275
8c572eba MD	276	printf_debug("read: %s\n", line);
08c82b90 MD	277
	278	for (;;) {
	279	ctf_dummy_pos(pos, &dummy);
	280	write_event_header(&dummy, line, &tline, len, &tlen, &ts);
70fd5a51 MD	281	if (!ctf_align_pos(&dummy, sizeof(uint8_t) * CHAR_BIT))
	282	goto error;
	283	if (!ctf_move_pos(&dummy, tlen * CHAR_BIT))
	284	goto error;
08c82b90 MD	285	if (ctf_pos_packet(&dummy)) {
	286	ctf_pos_pad_packet(pos);
	287	write_packet_header(pos, s_uuid);
	288	write_packet_context(pos);
	289	if (attempt++ == 1) {
	290	fprintf(stderr, "[Error] Line too large for packet size (%" PRIu64 "kB) (discarded)\n",
	291	pos->packet_size / CHAR_BIT / 1024);
	292	return;
	293	}
	294	continue;
	295	} else {
	296	break;
8c572eba	297	}
8c572eba MD	298	}
8c572eba MD	299
ca8b2b02	300	write_event_header(pos, line, &tline, len, &tlen, &ts);
70fd5a51 MD	301	if (!ctf_align_pos(pos, sizeof(uint8_t) * CHAR_BIT))
70fd5a51 MD	302	goto error;
ca8b2b02	303	memcpy(ctf_get_pos_addr(pos), tline, tlen);
70fd5a51 MD	304	if (!ctf_move_pos(pos, tlen * CHAR_BIT))
	305	goto error;
	306	return;
	307
	308	error:
	309	fprintf(stderr, "[error] Out of packet bounds when writing event payload\n");
	310	abort();
8c572eba MD	311	}
	312
	313	static
	314	void trace_text(FILE *input, int output)
	315	{
46322b33	316	struct ctf_stream_pos pos;
8c572eba MD	317	ssize_t len;
	318	char line = NULL, nl;
	319	size_t linesize;
f824ae04	320	int ret;
8c572eba	321
89ca8829	322	memset(&pos, 0, sizeof(pos));
ca334c72	323	ret = ctf_init_pos(&pos, NULL, output, O_RDWR);
f824ae04 MD	324	if (ret) {
	325	fprintf(stderr, "Error in ctf_init_pos\n");
	326	return;
	327	}
8c572eba MD	328	write_packet_header(&pos, s_uuid);
	329	write_packet_context(&pos);
	330	for (;;) {
	331	len = getline(&line, &linesize, input);
	332	if (len < 0)
	333	break;
	334	nl = strrchr(line, '\n');
c5e6c71b	335	if (nl) {
8c572eba	336	*nl = '\0';
c5e6c71b HZ	337	trace_string(line, &pos, nl - line + 1);
	338	} else {
	339	trace_string(line, &pos, strlen(line) + 1);
	340	}
8c572eba	341	}
f824ae04 MD	342	ret = ctf_fini_pos(&pos);
	343	if (ret) {
	344	fprintf(stderr, "Error in ctf_fini_pos\n");
	345	}
8c572eba	346	}
90219914	347
ca8b2b02 MD	348	static
ca8b2b02 MD	349	void usage(FILE *fp)
989c73bc	350	{
00f7fbf0	351	fprintf(fp, "BabelTrace Log Converter %s\n", VERSION);
989c73bc MD	352	fprintf(fp, "\n");
	353	fprintf(fp, "Convert for a text log (read from standard input) to CTF.\n");
	354	fprintf(fp, "\n");
78893e6e	355	fprintf(fp, "usage : babeltrace-log [OPTIONS] OUTPUT\n");
989c73bc MD	356	fprintf(fp, "\n");
	357	fprintf(fp, " OUTPUT Output trace path\n");
	358	fprintf(fp, "\n");
78893e6e	359	fprintf(fp, " -t With timestamps (format: [sec.usec] string\\n)\n");
a386e246	360	fprintf(fp, " (format: [YYYY-MM-DD HH:MM:SS.MS] string\\n)\n");
78893e6e	361	fprintf(fp, "\n");
989c73bc MD	362	}
989c73bc MD	363
ca8b2b02 MD	364	static
	365	int parse_args(int argc, char **argv)
	366	{
	367	int i;
	368
	369	for (i = 1; i < argc; i++) {
	370	if (!strcmp(argv[i], "-t"))
	371	s_timestamp = 1;
39592eae MD	372	else if (!strcmp(argv[i], "-h")) {
	373	s_help = 1;
	374	return 0;
	375	} else if (argv[i][0] == '-')
	376	return -EINVAL;
ca8b2b02 MD	377	else
	378	s_outputname = argv[i];
	379	}
	380	if (!s_outputname)
	381	return -EINVAL;
	382	return 0;
	383	}
	384
90219914 MD	385	int main(int argc, char **argv)
90219914 MD	386	{
b522ac18	387	int fd, metadata_fd, ret;
989c73bc MD	388	DIR *dir;
989c73bc MD	389	int dir_fd;
b522ac18	390	FILE *metadata_fp;
90219914	391
ca8b2b02 MD	392	ret = parse_args(argc, argv);
ca8b2b02 MD	393	if (ret) {
3394d22e MD	394	fprintf(stderr, "Error: invalid argument.\n");
3394d22e MD	395	usage(stderr);
989c73bc	396	goto error;
90219914	397	}
90219914	398
39592eae MD	399	if (s_help) {
	400	usage(stdout);
	401	exit(EXIT_SUCCESS);
	402	}
	403
ca8b2b02	404	ret = mkdir(s_outputname, S_IRWXU\|S_IRWXG);
90219914	405	if (ret) {
989c73bc MD	406	perror("mkdir");
	407	goto error;
	408	}
	409
ca8b2b02	410	dir = opendir(s_outputname);
989c73bc MD	411	if (!dir) {
	412	perror("opendir");
	413	goto error_rmdir;
	414	}
	415	dir_fd = dirfd(dir);
	416	if (dir_fd < 0) {
	417	perror("dirfd");
	418	goto error_closedir;
	419	}
	420
	421	fd = openat(dir_fd, "datastream", O_RDWR\|O_CREAT,
	422	S_IRUSR\|S_IWUSR\|S_IRGRP\|S_IWGRP);
	423	if (fd < 0) {
	424	perror("openat");
	425	goto error_closedirfd;
90219914	426	}
90219914	427
b522ac18 MD	428	metadata_fd = openat(dir_fd, "metadata", O_RDWR\|O_CREAT,
b522ac18 MD	429	S_IRUSR\|S_IWUSR\|S_IRGRP\|S_IWGRP);
9396a982	430	if (metadata_fd < 0) {
b522ac18 MD	431	perror("openat");
	432	goto error_closedatastream;
	433	}
	434	metadata_fp = fdopen(metadata_fd, "w");
	435	if (!metadata_fp) {
	436	perror("fdopen");
	437	goto error_closemetadatafd;
	438	}
	439
43e34335	440	babeltrace_uuid_generate(s_uuid);
b522ac18	441	print_metadata(metadata_fp);
8c572eba	442	trace_text(stdin, fd);
989c73bc	443
f824ae04 MD	444	ret = close(fd);
	445	if (ret)
	446	perror("close");
989c73bc MD	447	exit(EXIT_SUCCESS);
	448
	449	/* error handling */
b522ac18 MD	450	error_closemetadatafd:
	451	ret = close(metadata_fd);
	452	if (ret)
	453	perror("close");
	454	error_closedatastream:
	455	ret = close(fd);
	456	if (ret)
	457	perror("close");
989c73bc MD	458	error_closedirfd:
	459	ret = close(dir_fd);
	460	if (ret)
	461	perror("close");
	462	error_closedir:
	463	ret = closedir(dir);
	464	if (ret)
	465	perror("closedir");
	466	error_rmdir:
ca8b2b02	467	ret = rmdir(s_outputname);
989c73bc MD	468	if (ret)
	469	perror("rmdir");
	470	error:
	471	exit(EXIT_FAILURE);
90219914	472	}