[babeltrace.git] / formats / ctf-text / ctf-text.c

/*
 * BabelTrace - Common Trace Format (CTF)
 *
 * CTF Text Format registration.
 *
 * 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.
 */

#include <babeltrace/format.h>
#include <babeltrace/ctf-text/types.h>
#include <babeltrace/ctf/metadata.h>
#include <babeltrace/babeltrace-internal.h>
#include <inttypes.h>
#include <uuid/uuid.h>
#include <sys/mman.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <dirent.h>
#include <glib.h>
#include <unistd.h>
#include <stdlib.h>

#define NSEC_PER_SEC 1000000000ULL

int opt_all_field_names,
	opt_scope_field_names,
	opt_header_field_names,
	opt_context_field_names,
	opt_payload_field_names,
	opt_all_fields,
	opt_trace_field,
	opt_trace_domain_field,
	opt_trace_procname_field,
	opt_trace_vpid_field,
	opt_loglevel_field,
	opt_delta_field = 1;

enum field_item {
	ITEM_SCOPE,
	ITEM_HEADER,
	ITEM_CONTEXT,
	ITEM_PAYLOAD,
};

struct trace_descriptor *ctf_text_open_trace(const char *path, int flags,
		void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset,
			int whence), FILE *metadata_fp);
void ctf_text_close_trace(struct trace_descriptor *descriptor);

static
rw_dispatch write_dispatch_table[] = {
	[ CTF_TYPE_INTEGER ] = ctf_text_integer_write,
	[ CTF_TYPE_FLOAT ] = ctf_text_float_write,
	[ CTF_TYPE_ENUM ] = ctf_text_enum_write,
	[ CTF_TYPE_STRING ] = ctf_text_string_write,
	[ CTF_TYPE_STRUCT ] = ctf_text_struct_write,
	[ CTF_TYPE_VARIANT ] = ctf_text_variant_write,
	[ CTF_TYPE_ARRAY ] = ctf_text_array_write,
	[ CTF_TYPE_SEQUENCE ] = ctf_text_sequence_write,
};

static
struct format ctf_text_format = {
	.open_trace = ctf_text_open_trace,
	.close_trace = ctf_text_close_trace,
};

static GQuark Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN,
	Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END,
	Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED,
	Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE,
	Q_STREAM_PACKET_CONTEXT_PACKET_SIZE;

static
void __attribute__((constructor)) init_quarks(void)
{
	Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN = g_quark_from_static_string("stream.packet.context.timestamp_begin");
	Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END = g_quark_from_static_string("stream.packet.context.timestamp_end");
	Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED = g_quark_from_static_string("stream.packet.context.events_discarded");
	Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE = g_quark_from_static_string("stream.packet.context.content_size");
	Q_STREAM_PACKET_CONTEXT_PACKET_SIZE = g_quark_from_static_string("stream.packet.context.packet_size");
}

int print_field(struct definition *definition)
{
	/* Print all fields in verbose mode */
	if (babeltrace_verbose)
		return 1;

	/* Filter out part of the packet context */
	if (definition->path == Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN)
		return 0;
	if (definition->path == Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END)
		return 0;
	if (definition->path == Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED)
		return 0;
	if (definition->path == Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE)
		return 0;
	if (definition->path == Q_STREAM_PACKET_CONTEXT_PACKET_SIZE)
		return 0;

	return 1;
}

static
void set_field_names_print(struct ctf_text_stream_pos *pos, enum field_item item)
{
	switch (item) {
	case ITEM_SCOPE:
		if (opt_all_field_names || opt_scope_field_names)
			pos->print_names = 1;
		else
			pos->print_names = 0;
		break;
	case ITEM_HEADER:
		if (opt_all_field_names || opt_header_field_names)
			pos->print_names = 1;
		else
			pos->print_names = 0;
		break;
	case ITEM_CONTEXT:
		if (opt_all_field_names || opt_context_field_names)
			pos->print_names = 1;
		else
			pos->print_names = 0;
		break;
	case ITEM_PAYLOAD:
		if (opt_all_field_names || opt_payload_field_names)
			pos->print_names = 1;
		else
			pos->print_names = 0;

		break;
	default:
		assert(0);
	}
}

static
int ctf_text_write_event(struct stream_pos *ppos,
			 struct ctf_stream *stream)
{
	struct ctf_text_stream_pos *pos =
		container_of(ppos, struct ctf_text_stream_pos, parent);
	struct ctf_stream_class *stream_class = stream->stream_class;
	int field_nr_saved;
	struct ctf_event *event_class;
	struct ctf_stream_event *event;
	uint64_t id;
	int ret;
	int dom_print = 0;

	id = stream->event_id;

	if (id >= stream_class->events_by_id->len) {
		fprintf(stderr, "[error] Event id %" PRIu64 " is outside range.\n", id);
		return -EINVAL;
	}
	event = g_ptr_array_index(stream->events_by_id, id);
	if (!event) {
		fprintf(stderr, "[error] Event id %" PRIu64 " is unknown.\n", id);
		return -EINVAL;
	}
	event_class = g_ptr_array_index(stream_class->events_by_id, id);
	if (!event) {
		fprintf(stderr, "[error] Event id %" PRIu64 " is unknown.\n", id);
		return -EINVAL;
	}

	/* Print events discarded */
	if (stream->events_discarded) {
		fflush(pos->fp);
		fprintf(stderr, "[warning] Tracer discarded %d events between [",
			stream->events_discarded);
		ctf_print_timestamp(stderr, stream, stream->prev_timestamp);
		fprintf(stderr, "] and [");
		ctf_print_timestamp(stderr, stream, stream->prev_timestamp_end);
		fprintf(stderr, "]. You should consider increasing the buffer size.\n");
		fflush(stderr);
		stream->events_discarded = 0;
	}

	if (stream->has_timestamp) {
		set_field_names_print(pos, ITEM_HEADER);
		if (pos->print_names)
			fprintf(pos->fp, "timestamp = ");
		else
			fprintf(pos->fp, "[");
		ctf_print_timestamp(pos->fp, stream, stream->timestamp);
		if (!pos->print_names)
			fprintf(pos->fp, "]");

		if (pos->print_names)
			fprintf(pos->fp, ", ");
		else
			fprintf(pos->fp, " ");
	}
	if ((opt_delta_field || opt_all_fields) && stream->has_timestamp) {
		uint64_t delta, delta_sec, delta_nsec;

		set_field_names_print(pos, ITEM_HEADER);
		if (pos->print_names)
			fprintf(pos->fp, "delta = ");
		else
			fprintf(pos->fp, "(");
		if (pos->last_timestamp != -1ULL) {
			delta = stream->timestamp - pos->last_timestamp;
			delta_sec = delta / NSEC_PER_SEC;
			delta_nsec = delta % NSEC_PER_SEC;
			fprintf(pos->fp, "+%" PRIu64 ".%09" PRIu64,
				delta_sec, delta_nsec);
		} else {
			fprintf(pos->fp, "+?.?????????");
		}
		if (!pos->print_names)
			fprintf(pos->fp, ")");

		if (pos->print_names)
			fprintf(pos->fp, ", ");
		else
			fprintf(pos->fp, " ");
		pos->last_timestamp = stream->timestamp;
	}

	if ((opt_trace_field || opt_all_fields) && stream_class->trace->path[0] != '\0') {
		set_field_names_print(pos, ITEM_HEADER);
		if (pos->print_names) {
			fprintf(pos->fp, "trace = ");
		}
		fprintf(pos->fp, "%s", stream_class->trace->path);
		if (pos->print_names)
			fprintf(pos->fp, ", ");
		else
			fprintf(pos->fp, " ");
	}
	if ((opt_trace_domain_field && !opt_all_fields) && stream_class->trace->env.domain[0] != '\0') {
		set_field_names_print(pos, ITEM_HEADER);
		if (pos->print_names) {
			fprintf(pos->fp, "trace:domain = ");
		}
		fprintf(pos->fp, "%s", stream_class->trace->env.domain);
		if (pos->print_names)
			fprintf(pos->fp, ", ");
		dom_print = 1;
	}
	if ((opt_trace_procname_field && !opt_all_fields) && stream_class->trace->env.procname[0] != '\0') {
		set_field_names_print(pos, ITEM_HEADER);
		if (pos->print_names) {
			fprintf(pos->fp, "trace:procname = ");
		} else if (dom_print) {
			fprintf(pos->fp, ":");
		}
		fprintf(pos->fp, "%s", stream_class->trace->env.procname);
		if (pos->print_names)
			fprintf(pos->fp, ", ");
		dom_print = 1;
	}
	if ((opt_trace_vpid_field && !opt_all_fields) && stream_class->trace->env.vpid != -1) {
		set_field_names_print(pos, ITEM_HEADER);
		if (pos->print_names) {
			fprintf(pos->fp, "trace:vpid = ");
		} else if (dom_print) {
			fprintf(pos->fp, ":");
		}
		fprintf(pos->fp, "%d", stream_class->trace->env.vpid);
		if (pos->print_names)
			fprintf(pos->fp, ", ");
		dom_print = 1;
	}
	if ((opt_loglevel_field || opt_all_fields) && event_class->loglevel != -1) {
		set_field_names_print(pos, ITEM_HEADER);
		if (pos->print_names) {
			fprintf(pos->fp, "loglevel = ");
		} else if (dom_print) {
			fprintf(pos->fp, ":");
		}
		fprintf(pos->fp, "(%d)",
			event_class->loglevel);
		if (pos->print_names)
			fprintf(pos->fp, ", ");
		dom_print = 1;
	}
	if (dom_print && !pos->print_names)
		fprintf(pos->fp, " ");
	set_field_names_print(pos, ITEM_HEADER);
	if (pos->print_names)
		fprintf(pos->fp, "name = ");
	fprintf(pos->fp, "%s", g_quark_to_string(event_class->name));
	if (pos->print_names)
		pos->field_nr++;
	else
		fprintf(pos->fp, ":");

	/* print cpuid field from packet context */
	if (stream->stream_packet_context) {
		if (pos->field_nr++ != 0)
			fprintf(pos->fp, ",");
		set_field_names_print(pos, ITEM_SCOPE);
		if (pos->print_names)
			fprintf(pos->fp, " stream.packet.context =");
		field_nr_saved = pos->field_nr;
		pos->field_nr = 0;
		set_field_names_print(pos, ITEM_CONTEXT);
		ret = generic_rw(ppos, &stream->stream_packet_context->p);
		if (ret)
			goto error;
		pos->field_nr = field_nr_saved;
	}

	/* Only show the event header in verbose mode */
	if (babeltrace_verbose && stream->stream_event_header) {
		if (pos->field_nr++ != 0)
			fprintf(pos->fp, ",");
		set_field_names_print(pos, ITEM_SCOPE);
		if (pos->print_names)
			fprintf(pos->fp, " stream.event.header =");
		field_nr_saved = pos->field_nr;
		pos->field_nr = 0;
		set_field_names_print(pos, ITEM_CONTEXT);
		ret = generic_rw(ppos, &stream->stream_event_header->p);
		if (ret)
			goto error;
		pos->field_nr = field_nr_saved;
	}

	/* print stream-declared event context */
	if (stream->stream_event_context) {
		if (pos->field_nr++ != 0)
			fprintf(pos->fp, ",");
		set_field_names_print(pos, ITEM_SCOPE);
		if (pos->print_names)
			fprintf(pos->fp, " stream.event.context =");
		field_nr_saved = pos->field_nr;
		pos->field_nr = 0;
		set_field_names_print(pos, ITEM_CONTEXT);
		ret = generic_rw(ppos, &stream->stream_event_context->p);
		if (ret)
			goto error;
		pos->field_nr = field_nr_saved;
	}

	/* print event-declared event context */
	if (event->event_context) {
		if (pos->field_nr++ != 0)
			fprintf(pos->fp, ",");
		set_field_names_print(pos, ITEM_SCOPE);
		if (pos->print_names)
			fprintf(pos->fp, " event.context =");
		field_nr_saved = pos->field_nr;
		pos->field_nr = 0;
		set_field_names_print(pos, ITEM_CONTEXT);
		ret = generic_rw(ppos, &event->event_context->p);
		if (ret)
			goto error;
		pos->field_nr = field_nr_saved;
	}

	/* Read and print event payload */
	if (event->event_fields) {
		if (pos->field_nr++ != 0)
			fprintf(pos->fp, ",");
		set_field_names_print(pos, ITEM_SCOPE);
		if (pos->print_names)
			fprintf(pos->fp, " event.fields =");
		field_nr_saved = pos->field_nr;
		pos->field_nr = 0;
		set_field_names_print(pos, ITEM_PAYLOAD);
		ret = generic_rw(ppos, &event->event_fields->p);
		if (ret)
			goto error;
		pos->field_nr = field_nr_saved;
	}
	/* newline */
	fprintf(pos->fp, "\n");
	pos->field_nr = 0;
	stream->consumed = 1;

	return 0;

error:
	fprintf(stderr, "[error] Unexpected end of stream. Either the trace data stream is corrupted or metadata description does not match data layout.\n");
	return ret;
}


struct trace_descriptor *ctf_text_open_trace(const char *path, int flags,
		void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset,
			int whence), FILE *metadata_fp)
{
	struct ctf_text_stream_pos *pos;
	FILE *fp;

	pos = g_new0(struct ctf_text_stream_pos, 1);

	pos->last_timestamp = -1ULL;
	switch (flags & O_ACCMODE) {
	case O_RDWR:
		if (!path)
			fp = stdout;
		else
			fp = fopen(path, "w");
		if (!fp)
			goto error;
		pos->fp = fp;
		pos->parent.rw_table = write_dispatch_table;
		pos->parent.event_cb = ctf_text_write_event;
		pos->print_names = 0;
		break;
	case O_RDONLY:
	default:
		fprintf(stderr, "[error] Incorrect open flags.\n");
		goto error;
	}

	return &pos->trace_descriptor;
error:
	g_free(pos);
	return NULL;
}

void ctf_text_close_trace(struct trace_descriptor *td)
{
	struct ctf_text_stream_pos *pos =
		container_of(td, struct ctf_text_stream_pos, trace_descriptor);
	fclose(pos->fp);
	g_free(pos);
}

void __attribute__((constructor)) ctf_text_init(void)
{
	int ret;

	ctf_text_format.name = g_quark_from_static_string("text");
	ret = bt_register_format(&ctf_text_format);
	assert(!ret);
}

/* TODO: finalize */
Commit	Line	Data
642ec66d MD	1	/*
	2	* BabelTrace - Common Trace Format (CTF)
	3	*
	4	* CTF Text Format registration.
	5	*
64fa3fec MD	6	* Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
	7	*
	8	* Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
642ec66d 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
	21	#include <babeltrace/format.h>
	22	#include <babeltrace/ctf-text/types.h>
31262354	23	#include <babeltrace/ctf/metadata.h>
70bd0a12	24	#include <babeltrace/babeltrace-internal.h>
642ec66d MD	25	#include <inttypes.h>
	26	#include <uuid/uuid.h>
	27	#include <sys/mman.h>
	28	#include <errno.h>
	29	#include <sys/types.h>
	30	#include <sys/stat.h>
	31	#include <fcntl.h>
	32	#include <dirent.h>
	33	#include <glib.h>
	34	#include <unistd.h>
	35	#include <stdlib.h>
	36
bfe74b8c MD	37	#define NSEC_PER_SEC 1000000000ULL
bfe74b8c MD	38
cba1661c MD	39	int opt_all_field_names,
	40	opt_scope_field_names,
	41	opt_header_field_names,
	42	opt_context_field_names,
82662ad4	43	opt_payload_field_names,
359d7456 MD	44	opt_all_fields,
	45	opt_trace_field,
	46	opt_trace_domain_field,
	47	opt_trace_procname_field,
	48	opt_trace_vpid_field,
	49	opt_loglevel_field,
7d97fad9	50	opt_delta_field = 1;
cba1661c MD	51
	52	enum field_item {
	53	ITEM_SCOPE,
	54	ITEM_HEADER,
	55	ITEM_CONTEXT,
	56	ITEM_PAYLOAD,
	57	};
b88d6e85	58
5b80ddfb	59	struct trace_descriptor ctf_text_open_trace(const char path, int flags,
b086c01a	60	void (move_pos_slow)(struct ctf_stream_pos pos, size_t offset,
ae23d232	61	int whence), FILE *metadata_fp);
642ec66d MD	62	void ctf_text_close_trace(struct trace_descriptor *descriptor);
642ec66d MD	63
642ec66d MD	64	static
	65	rw_dispatch write_dispatch_table[] = {
	66	[ CTF_TYPE_INTEGER ] = ctf_text_integer_write,
	67	[ CTF_TYPE_FLOAT ] = ctf_text_float_write,
	68	[ CTF_TYPE_ENUM ] = ctf_text_enum_write,
	69	[ CTF_TYPE_STRING ] = ctf_text_string_write,
	70	[ CTF_TYPE_STRUCT ] = ctf_text_struct_write,
	71	[ CTF_TYPE_VARIANT ] = ctf_text_variant_write,
	72	[ CTF_TYPE_ARRAY ] = ctf_text_array_write,
	73	[ CTF_TYPE_SEQUENCE ] = ctf_text_sequence_write,
	74	};
	75
	76	static
	77	struct format ctf_text_format = {
	78	.open_trace = ctf_text_open_trace,
	79	.close_trace = ctf_text_close_trace,
	80	};
	81
d335f0f7 MD	82	static GQuark Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN,
	83	Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END,
	84	Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED,
	85	Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE,
	86	Q_STREAM_PACKET_CONTEXT_PACKET_SIZE;
	87
	88	static
	89	void __attribute__((constructor)) init_quarks(void)
	90	{
	91	Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN = g_quark_from_static_string("stream.packet.context.timestamp_begin");
	92	Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END = g_quark_from_static_string("stream.packet.context.timestamp_end");
	93	Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED = g_quark_from_static_string("stream.packet.context.events_discarded");
	94	Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE = g_quark_from_static_string("stream.packet.context.content_size");
	95	Q_STREAM_PACKET_CONTEXT_PACKET_SIZE = g_quark_from_static_string("stream.packet.context.packet_size");
	96	}
	97
	98	int print_field(struct definition *definition)
	99	{
	100	/* Print all fields in verbose mode */
	101	if (babeltrace_verbose)
	102	return 1;
	103
	104	/* Filter out part of the packet context */
	105	if (definition->path == Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN)
	106	return 0;
	107	if (definition->path == Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END)
	108	return 0;
	109	if (definition->path == Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED)
	110	return 0;
	111	if (definition->path == Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE)
	112	return 0;
	113	if (definition->path == Q_STREAM_PACKET_CONTEXT_PACKET_SIZE)
	114	return 0;
	115
	116	return 1;
	117	}
	118
cba1661c MD	119	static
	120	void set_field_names_print(struct ctf_text_stream_pos *pos, enum field_item item)
	121	{
	122	switch (item) {
	123	case ITEM_SCOPE:
	124	if (opt_all_field_names \|\| opt_scope_field_names)
	125	pos->print_names = 1;
	126	else
	127	pos->print_names = 0;
	128	break;
	129	case ITEM_HEADER:
	130	if (opt_all_field_names \|\| opt_header_field_names)
	131	pos->print_names = 1;
	132	else
	133	pos->print_names = 0;
	134	break;
	135	case ITEM_CONTEXT:
	136	if (opt_all_field_names \|\| opt_context_field_names)
	137	pos->print_names = 1;
	138	else
	139	pos->print_names = 0;
	140	break;
	141	case ITEM_PAYLOAD:
	142	if (opt_all_field_names \|\| opt_payload_field_names)
	143	pos->print_names = 1;
	144	else
	145	pos->print_names = 0;
	146
	147	break;
	148	default:
	149	assert(0);
	150	}
	151	}
	152
31262354 MD	153	static
31262354 MD	154	int ctf_text_write_event(struct stream_pos *ppos,
764af3f4	155	struct ctf_stream *stream)
31262354 MD	156	{
	157	struct ctf_text_stream_pos *pos =
	158	container_of(ppos, struct ctf_text_stream_pos, parent);
764af3f4	159	struct ctf_stream_class *stream_class = stream->stream_class;
fd3382e8	160	int field_nr_saved;
31262354	161	struct ctf_event *event_class;
42dc00b7	162	struct ctf_stream_event *event;
c87a8eb2	163	uint64_t id;
31262354	164	int ret;
8c250d87	165	int dom_print = 0;
31262354	166
c87a8eb2	167	id = stream->event_id;
31262354 MD	168
31262354 MD	169	if (id >= stream_class->events_by_id->len) {
3394d22e	170	fprintf(stderr, "[error] Event id %" PRIu64 " is outside range.\n", id);
31262354 MD	171	return -EINVAL;
31262354 MD	172	}
e28d4618 MD	173	event = g_ptr_array_index(stream->events_by_id, id);
e28d4618 MD	174	if (!event) {
3394d22e	175	fprintf(stderr, "[error] Event id %" PRIu64 " is unknown.\n", id);
e28d4618 MD	176	return -EINVAL;
e28d4618 MD	177	}
31262354	178	event_class = g_ptr_array_index(stream_class->events_by_id, id);
e28d4618	179	if (!event) {
3394d22e	180	fprintf(stderr, "[error] Event id %" PRIu64 " is unknown.\n", id);
31262354 MD	181	return -EINVAL;
	182	}
	183
fca04958 MD	184	/* Print events discarded */
fca04958 MD	185	if (stream->events_discarded) {
7d97fad9	186	fflush(pos->fp);
fca04958 MD	187	fprintf(stderr, "[warning] Tracer discarded %d events between [",
fca04958 MD	188	stream->events_discarded);
7d97fad9	189	ctf_print_timestamp(stderr, stream, stream->prev_timestamp);
fca04958	190	fprintf(stderr, "] and [");
7d97fad9	191	ctf_print_timestamp(stderr, stream, stream->prev_timestamp_end);
fca04958 MD	192	fprintf(stderr, "]. You should consider increasing the buffer size.\n");
	193	fflush(stderr);
	194	stream->events_discarded = 0;
	195	}
	196
5e2eb0ae	197	if (stream->has_timestamp) {
cba1661c	198	set_field_names_print(pos, ITEM_HEADER);
be60c7fb MD	199	if (pos->print_names)
	200	fprintf(pos->fp, "timestamp = ");
	201	else
	202	fprintf(pos->fp, "[");
7d97fad9	203	ctf_print_timestamp(pos->fp, stream, stream->timestamp);
be60c7fb MD	204	if (!pos->print_names)
be60c7fb MD	205	fprintf(pos->fp, "]");
aa6bffae	206
be60c7fb MD	207	if (pos->print_names)
	208	fprintf(pos->fp, ", ");
	209	else
	210	fprintf(pos->fp, " ");
	211	}
359d7456	212	if ((opt_delta_field \|\| opt_all_fields) && stream->has_timestamp) {
8d8ed9af MD	213	uint64_t delta, delta_sec, delta_nsec;
	214
	215	set_field_names_print(pos, ITEM_HEADER);
	216	if (pos->print_names)
	217	fprintf(pos->fp, "delta = ");
	218	else
	219	fprintf(pos->fp, "(");
	220	if (pos->last_timestamp != -1ULL) {
	221	delta = stream->timestamp - pos->last_timestamp;
	222	delta_sec = delta / NSEC_PER_SEC;
	223	delta_nsec = delta % NSEC_PER_SEC;
	224	fprintf(pos->fp, "+%" PRIu64 ".%09" PRIu64,
	225	delta_sec, delta_nsec);
	226	} else {
	227	fprintf(pos->fp, "+?.?????????");
	228	}
	229	if (!pos->print_names)
	230	fprintf(pos->fp, ")");
	231
	232	if (pos->print_names)
	233	fprintf(pos->fp, ", ");
	234	else
	235	fprintf(pos->fp, " ");
	236	pos->last_timestamp = stream->timestamp;
	237	}
	238
359d7456	239	if ((opt_trace_field \|\| opt_all_fields) && stream_class->trace->path[0] != '\0') {
82662ad4	240	set_field_names_print(pos, ITEM_HEADER);
8c250d87	241	if (pos->print_names) {
359d7456	242	fprintf(pos->fp, "trace = ");
8c250d87	243	}
82662ad4	244	fprintf(pos->fp, "%s", stream_class->trace->path);
82662ad4 MD	245	if (pos->print_names)
	246	fprintf(pos->fp, ", ");
	247	else
	248	fprintf(pos->fp, " ");
	249	}
1842a4c8	250	if ((opt_trace_domain_field && !opt_all_fields) && stream_class->trace->env.domain[0] != '\0') {
8c250d87 MD	251	set_field_names_print(pos, ITEM_HEADER);
	252	if (pos->print_names) {
	253	fprintf(pos->fp, "trace:domain = ");
	254	}
1842a4c8	255	fprintf(pos->fp, "%s", stream_class->trace->env.domain);
8c250d87 MD	256	if (pos->print_names)
	257	fprintf(pos->fp, ", ");
	258	dom_print = 1;
	259	}
1842a4c8	260	if ((opt_trace_procname_field && !opt_all_fields) && stream_class->trace->env.procname[0] != '\0') {
8c250d87 MD	261	set_field_names_print(pos, ITEM_HEADER);
	262	if (pos->print_names) {
	263	fprintf(pos->fp, "trace:procname = ");
	264	} else if (dom_print) {
	265	fprintf(pos->fp, ":");
	266	}
1842a4c8	267	fprintf(pos->fp, "%s", stream_class->trace->env.procname);
8c250d87 MD	268	if (pos->print_names)
	269	fprintf(pos->fp, ", ");
	270	dom_print = 1;
	271	}
1842a4c8	272	if ((opt_trace_vpid_field && !opt_all_fields) && stream_class->trace->env.vpid != -1) {
8c250d87 MD	273	set_field_names_print(pos, ITEM_HEADER);
	274	if (pos->print_names) {
	275	fprintf(pos->fp, "trace:vpid = ");
	276	} else if (dom_print) {
	277	fprintf(pos->fp, ":");
	278	}
1842a4c8	279	fprintf(pos->fp, "%d", stream_class->trace->env.vpid);
8c250d87 MD	280	if (pos->print_names)
	281	fprintf(pos->fp, ", ");
	282	dom_print = 1;
	283	}
306eeaa6	284	if ((opt_loglevel_field \|\| opt_all_fields) && event_class->loglevel != -1) {
d86d62f8 MD	285	set_field_names_print(pos, ITEM_HEADER);
	286	if (pos->print_names) {
	287	fprintf(pos->fp, "loglevel = ");
	288	} else if (dom_print) {
	289	fprintf(pos->fp, ":");
	290	}
306eeaa6 MD	291	fprintf(pos->fp, "(%d)",
306eeaa6 MD	292	event_class->loglevel);
d86d62f8 MD	293	if (pos->print_names)
	294	fprintf(pos->fp, ", ");
	295	dom_print = 1;
	296	}
8c250d87 MD	297	if (dom_print && !pos->print_names)
8c250d87 MD	298	fprintf(pos->fp, " ");
cba1661c	299	set_field_names_print(pos, ITEM_HEADER);
31262354 MD	300	if (pos->print_names)
31262354 MD	301	fprintf(pos->fp, "name = ");
8178fe48 MD	302	fprintf(pos->fp, "%s", g_quark_to_string(event_class->name));
8178fe48 MD	303	if (pos->print_names)
fd3382e8	304	pos->field_nr++;
8178fe48	305	else
fd3382e8	306	fprintf(pos->fp, ":");
31262354	307
e28d4618 MD	308	/* print cpuid field from packet context */
	309	if (stream->stream_packet_context) {
	310	if (pos->field_nr++ != 0)
	311	fprintf(pos->fp, ",");
cba1661c	312	set_field_names_print(pos, ITEM_SCOPE);
e28d4618 MD	313	if (pos->print_names)
	314	fprintf(pos->fp, " stream.packet.context =");
	315	field_nr_saved = pos->field_nr;
	316	pos->field_nr = 0;
cba1661c	317	set_field_names_print(pos, ITEM_CONTEXT);
e28d4618 MD	318	ret = generic_rw(ppos, &stream->stream_packet_context->p);
	319	if (ret)
	320	goto error;
	321	pos->field_nr = field_nr_saved;
	322	}
	323
764af3f4	324	/* Only show the event header in verbose mode */
e28d4618	325	if (babeltrace_verbose && stream->stream_event_header) {
fd3382e8 MD	326	if (pos->field_nr++ != 0)
fd3382e8 MD	327	fprintf(pos->fp, ",");
cba1661c	328	set_field_names_print(pos, ITEM_SCOPE);
31262354	329	if (pos->print_names)
fd3382e8 MD	330	fprintf(pos->fp, " stream.event.header =");
	331	field_nr_saved = pos->field_nr;
	332	pos->field_nr = 0;
cba1661c	333	set_field_names_print(pos, ITEM_CONTEXT);
e28d4618	334	ret = generic_rw(ppos, &stream->stream_event_header->p);
31262354 MD	335	if (ret)
31262354 MD	336	goto error;
fd3382e8	337	pos->field_nr = field_nr_saved;
31262354 MD	338	}
	339
	340	/* print stream-declared event context */
e28d4618	341	if (stream->stream_event_context) {
fd3382e8 MD	342	if (pos->field_nr++ != 0)
fd3382e8 MD	343	fprintf(pos->fp, ",");
cba1661c	344	set_field_names_print(pos, ITEM_SCOPE);
31262354	345	if (pos->print_names)
fd3382e8 MD	346	fprintf(pos->fp, " stream.event.context =");
	347	field_nr_saved = pos->field_nr;
	348	pos->field_nr = 0;
cba1661c	349	set_field_names_print(pos, ITEM_CONTEXT);
e28d4618	350	ret = generic_rw(ppos, &stream->stream_event_context->p);
31262354 MD	351	if (ret)
31262354 MD	352	goto error;
fd3382e8	353	pos->field_nr = field_nr_saved;
31262354 MD	354	}
	355
	356	/* print event-declared event context */
e28d4618	357	if (event->event_context) {
fd3382e8 MD	358	if (pos->field_nr++ != 0)
fd3382e8 MD	359	fprintf(pos->fp, ",");
cba1661c	360	set_field_names_print(pos, ITEM_SCOPE);
31262354	361	if (pos->print_names)
fd3382e8 MD	362	fprintf(pos->fp, " event.context =");
	363	field_nr_saved = pos->field_nr;
	364	pos->field_nr = 0;
cba1661c	365	set_field_names_print(pos, ITEM_CONTEXT);
e28d4618	366	ret = generic_rw(ppos, &event->event_context->p);
31262354 MD	367	if (ret)
31262354 MD	368	goto error;
fd3382e8	369	pos->field_nr = field_nr_saved;
31262354 MD	370	}
	371
	372	/* Read and print event payload */
e28d4618	373	if (event->event_fields) {
fd3382e8 MD	374	if (pos->field_nr++ != 0)
fd3382e8 MD	375	fprintf(pos->fp, ",");
cba1661c	376	set_field_names_print(pos, ITEM_SCOPE);
31262354	377	if (pos->print_names)
fd3382e8 MD	378	fprintf(pos->fp, " event.fields =");
	379	field_nr_saved = pos->field_nr;
	380	pos->field_nr = 0;
cba1661c	381	set_field_names_print(pos, ITEM_PAYLOAD);
e28d4618	382	ret = generic_rw(ppos, &event->event_fields->p);
31262354 MD	383	if (ret)
31262354 MD	384	goto error;
fd3382e8	385	pos->field_nr = field_nr_saved;
31262354	386	}
fd3382e8	387	/* newline */
31262354	388	fprintf(pos->fp, "\n");
fd3382e8	389	pos->field_nr = 0;
90fcbacc	390	stream->consumed = 1;
31262354 MD	391
	392	return 0;
	393
	394	error:
3394d22e	395	fprintf(stderr, "[error] Unexpected end of stream. Either the trace data stream is corrupted or metadata description does not match data layout.\n");
31262354 MD	396	return ret;
	397	}
	398
	399
5b80ddfb	400	struct trace_descriptor ctf_text_open_trace(const char path, int flags,
b086c01a	401	void (move_pos_slow)(struct ctf_stream_pos pos, size_t offset,
ae23d232	402	int whence), FILE *metadata_fp)
642ec66d MD	403	{
	404	struct ctf_text_stream_pos *pos;
	405	FILE *fp;
	406
	407	pos = g_new0(struct ctf_text_stream_pos, 1);
	408
8d8ed9af	409	pos->last_timestamp = -1ULL;
642ec66d	410	switch (flags & O_ACCMODE) {
989c73bc	411	case O_RDWR:
b61922b5	412	if (!path)
6cf7957b MD	413	fp = stdout;
	414	else
	415	fp = fopen(path, "w");
642ec66d MD	416	if (!fp)
	417	goto error;
	418	pos->fp = fp;
	419	pos->parent.rw_table = write_dispatch_table;
31262354	420	pos->parent.event_cb = ctf_text_write_event;
cba1661c	421	pos->print_names = 0;
642ec66d MD	422	break;
	423	case O_RDONLY:
	424	default:
3394d22e	425	fprintf(stderr, "[error] Incorrect open flags.\n");
642ec66d MD	426	goto error;
	427	}
	428
	429	return &pos->trace_descriptor;
	430	error:
	431	g_free(pos);
	432	return NULL;
	433	}
	434
	435	void ctf_text_close_trace(struct trace_descriptor *td)
	436	{
	437	struct ctf_text_stream_pos *pos =
	438	container_of(td, struct ctf_text_stream_pos, trace_descriptor);
	439	fclose(pos->fp);
	440	g_free(pos);
	441	}
	442
	443	void __attribute__((constructor)) ctf_text_init(void)
	444	{
	445	int ret;
	446
	447	ctf_text_format.name = g_quark_from_static_string("text");
	448	ret = bt_register_format(&ctf_text_format);
	449	assert(!ret);
	450	}
	451
	452	/* TODO: finalize */