[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.
 *
 * 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.
 */

#include <babeltrace/format.h>
#include <babeltrace/ctf-text/types.h>
#include <babeltrace/ctf/metadata.h>
#include <babeltrace/babeltrace-internal.h>
#include <babeltrace/ctf/events-internal.h>
#include <inttypes.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_trace_hostname_field,
	opt_trace_default_fields = 1,
	opt_loglevel_field,
	opt_emf_field,
	opt_callsite_field,
	opt_delta_field = 1;

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

enum bt_loglevel {
        BT_LOGLEVEL_EMERG                  = 0,
        BT_LOGLEVEL_ALERT                  = 1,
        BT_LOGLEVEL_CRIT                   = 2,
        BT_LOGLEVEL_ERR                    = 3,
        BT_LOGLEVEL_WARNING                = 4,
        BT_LOGLEVEL_NOTICE                 = 5,
        BT_LOGLEVEL_INFO                   = 6,
        BT_LOGLEVEL_DEBUG_SYSTEM           = 7,
        BT_LOGLEVEL_DEBUG_PROGRAM          = 8,
        BT_LOGLEVEL_DEBUG_PROCESS          = 9,
        BT_LOGLEVEL_DEBUG_MODULE           = 10,
        BT_LOGLEVEL_DEBUG_UNIT             = 11,
        BT_LOGLEVEL_DEBUG_FUNCTION         = 12,
        BT_LOGLEVEL_DEBUG_LINE             = 13,
        BT_LOGLEVEL_DEBUG                  = 14,
};

static
struct bt_trace_descriptor *ctf_text_open_trace(const char *path, int flags,
		void (*packet_seek)(struct bt_stream_pos *pos, size_t index,
			int whence), FILE *metadata_fp);
static
int ctf_text_close_trace(struct bt_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 bt_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,
	Q_STREAM_PACKET_CONTEXT_PACKET_SEQ_NUM;

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");
	Q_STREAM_PACKET_CONTEXT_PACKET_SEQ_NUM = g_quark_from_static_string("stream.packet.context.packet_seq_num");
}

static
struct ctf_callsite_dups *ctf_trace_callsite_lookup(struct ctf_trace *trace,
			GQuark callsite_name)
{
	return g_hash_table_lookup(trace->callsites,
			(gpointer) (unsigned long) callsite_name);
}

int print_field(struct bt_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;
	if (definition->path == Q_STREAM_PACKET_CONTEXT_PACKET_SEQ_NUM)
		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
const char *print_loglevel(int value)
{
	switch (value) {
	case -1:
		return "";
	case BT_LOGLEVEL_EMERG:
		return "TRACE_EMERG";
	case BT_LOGLEVEL_ALERT:
		return "TRACE_ALERT";
	case BT_LOGLEVEL_CRIT:
		return "TRACE_CRIT";
	case BT_LOGLEVEL_ERR:
		return "TRACE_ERR";
	case BT_LOGLEVEL_WARNING:
		return "TRACE_WARNING";
	case BT_LOGLEVEL_NOTICE:
		return "TRACE_NOTICE";
	case BT_LOGLEVEL_INFO:
		return "TRACE_INFO";
	case BT_LOGLEVEL_DEBUG_SYSTEM:
		return "TRACE_DEBUG_SYSTEM";
	case BT_LOGLEVEL_DEBUG_PROGRAM:
		return "TRACE_DEBUG_PROGRAM";
	case BT_LOGLEVEL_DEBUG_PROCESS:
		return "TRACE_DEBUG_PROCESS";
	case BT_LOGLEVEL_DEBUG_MODULE:
		return "TRACE_DEBUG_MODULE";
	case BT_LOGLEVEL_DEBUG_UNIT:
		return "TRACE_DEBUG_UNIT";
	case BT_LOGLEVEL_DEBUG_FUNCTION:
		return "TRACE_DEBUG_FUNCTION";
	case BT_LOGLEVEL_DEBUG_LINE:
		return "TRACE_DEBUG_LINE";
	case BT_LOGLEVEL_DEBUG:
		return "TRACE_DEBUG";
	default:
		return "<<UNKNOWN>>";
	}
}

static
int ctf_text_write_event(struct bt_stream_pos *ppos, struct ctf_stream_definition *stream)
			 
{
	struct ctf_text_stream_pos *pos =
		container_of(ppos, struct ctf_text_stream_pos, parent);
	struct ctf_stream_declaration *stream_class = stream->stream_class;
	int field_nr_saved;
	struct ctf_event_declaration *event_class;
	struct ctf_event_definition *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_class) {
		fprintf(stderr, "[error] Event class id %" PRIu64 " is unknown.\n", id);
		return -EINVAL;
	}

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

		if (pos->print_names)
			fprintf(pos->fp, ", ");
		else
			fprintf(pos->fp, " ");
	}
	if (opt_delta_field && 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_real_timestamp != -1ULL) {
			delta = stream->real_timestamp - pos->last_real_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_real_timestamp = stream->real_timestamp;
		pos->last_cycles_timestamp = stream->cycles_timestamp;
	}

	if ((opt_trace_field || opt_all_fields) && stream_class->trace->parent.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->parent.path);
		if (pos->print_names)
			fprintf(pos->fp, ", ");
		else
			fprintf(pos->fp, " ");
	}
	if ((opt_trace_hostname_field || opt_all_fields || opt_trace_default_fields)
			&& stream_class->trace->env.hostname[0] != '\0') {
		set_field_names_print(pos, ITEM_HEADER);
		if (pos->print_names) {
			fprintf(pos->fp, "trace:hostname = ");
		}
		fprintf(pos->fp, "%s", stream_class->trace->env.hostname);
		if (pos->print_names)
			fprintf(pos->fp, ", ");
		dom_print = 1;
	}
	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 || opt_trace_default_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 || opt_trace_default_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, "%s (%d)",
			print_loglevel(event_class->loglevel),
			event_class->loglevel);
		if (pos->print_names)
			fprintf(pos->fp, ", ");
		dom_print = 1;
	}
	if ((opt_emf_field || opt_all_fields) && event_class->model_emf_uri) {
		set_field_names_print(pos, ITEM_HEADER);
		if (pos->print_names) {
			fprintf(pos->fp, "model.emf.uri = ");
		} else if (dom_print) {
			fprintf(pos->fp, ":");
		}
		fprintf(pos->fp, "\"%s\"",
			g_quark_to_string(event_class->model_emf_uri));
		if (pos->print_names)
			fprintf(pos->fp, ", ");
		dom_print = 1;
	}
	if ((opt_callsite_field || opt_all_fields)) {
		struct ctf_callsite_dups *cs_dups;
		struct ctf_callsite *callsite;

		cs_dups = ctf_trace_callsite_lookup(stream_class->trace,
				event_class->name);
		if (cs_dups) {
			int i = 0;

			set_field_names_print(pos, ITEM_HEADER);
			if (pos->print_names) {
				fprintf(pos->fp, "callsite = ");
			} else if (dom_print) {
				fprintf(pos->fp, ":");
			}
			fprintf(pos->fp, "[");
			bt_list_for_each_entry(callsite, &cs_dups->head, node) {
				if (i != 0)
					fprintf(pos->fp, ",");
				if (CTF_CALLSITE_FIELD_IS_SET(callsite, ip)) {
					fprintf(pos->fp, "%s@0x%" PRIx64 ":%s:%" PRIu64 "",
						callsite->func, callsite->ip, callsite->file,
						callsite->line);
				} else {
					fprintf(pos->fp, "%s:%s:%" PRIu64 "",
						callsite->func, callsite->file,
						callsite->line);
				}
				i++;
			}
			fprintf(pos->fp, "]");
			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;

	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;
}

static
struct bt_trace_descriptor *ctf_text_open_trace(const char *path, int flags,
		void (*packet_seek)(struct bt_stream_pos *pos, size_t index,
			int whence), FILE *metadata_fp)
{
	struct ctf_text_stream_pos *pos;
	FILE *fp;

	pos = g_new0(struct ctf_text_stream_pos, 1);

	pos->last_real_timestamp = -1ULL;
	pos->last_cycles_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->parent.trace = &pos->trace_descriptor;
		pos->print_names = 0;
		babeltrace_ctf_console_output++;
		break;
	case O_RDONLY:
	default:
		fprintf(stderr, "[error] Incorrect open flags.\n");
		goto error;
	}

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

static
int ctf_text_close_trace(struct bt_trace_descriptor *td)
{
	int ret;
	struct ctf_text_stream_pos *pos =
		container_of(td, struct ctf_text_stream_pos, trace_descriptor);

	babeltrace_ctf_console_output--;
	if (pos->fp != stdout) {
		ret = fclose(pos->fp);
		if (ret) {
			perror("Error on fclose");
			return -1;
		}
	}
	g_free(pos);
	return 0;
}

static
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);
}

static
void __attribute__((destructor)) ctf_text_exit(void)
{
	bt_unregister_format(&ctf_text_format);
}
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.
c462e188 MD	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.
642ec66d MD	27	*/
	28
	29	#include <babeltrace/format.h>
	30	#include <babeltrace/ctf-text/types.h>
31262354	31	#include <babeltrace/ctf/metadata.h>
70bd0a12	32	#include <babeltrace/babeltrace-internal.h>
e4195791	33	#include <babeltrace/ctf/events-internal.h>
642ec66d	34	#include <inttypes.h>
642ec66d MD	35	#include <sys/mman.h>
	36	#include <errno.h>
	37	#include <sys/types.h>
	38	#include <sys/stat.h>
	39	#include <fcntl.h>
	40	#include <dirent.h>
	41	#include <glib.h>
	42	#include <unistd.h>
	43	#include <stdlib.h>
	44
bfe74b8c MD	45	#define NSEC_PER_SEC 1000000000ULL
bfe74b8c MD	46
cba1661c MD	47	int opt_all_field_names,
	48	opt_scope_field_names,
	49	opt_header_field_names,
	50	opt_context_field_names,
82662ad4	51	opt_payload_field_names,
359d7456 MD	52	opt_all_fields,
	53	opt_trace_field,
	54	opt_trace_domain_field,
	55	opt_trace_procname_field,
	56	opt_trace_vpid_field,
32cfb8ad	57	opt_trace_hostname_field,
c3815874	58	opt_trace_default_fields = 1,
359d7456	59	opt_loglevel_field,
f6714e20	60	opt_emf_field,
f133896d	61	opt_callsite_field,
7d97fad9	62	opt_delta_field = 1;
cba1661c MD	63
	64	enum field_item {
	65	ITEM_SCOPE,
	66	ITEM_HEADER,
	67	ITEM_CONTEXT,
	68	ITEM_PAYLOAD,
	69	};
b88d6e85	70
39535929 MD	71	enum bt_loglevel {
	72	BT_LOGLEVEL_EMERG = 0,
	73	BT_LOGLEVEL_ALERT = 1,
	74	BT_LOGLEVEL_CRIT = 2,
	75	BT_LOGLEVEL_ERR = 3,
	76	BT_LOGLEVEL_WARNING = 4,
	77	BT_LOGLEVEL_NOTICE = 5,
	78	BT_LOGLEVEL_INFO = 6,
	79	BT_LOGLEVEL_DEBUG_SYSTEM = 7,
	80	BT_LOGLEVEL_DEBUG_PROGRAM = 8,
	81	BT_LOGLEVEL_DEBUG_PROCESS = 9,
	82	BT_LOGLEVEL_DEBUG_MODULE = 10,
	83	BT_LOGLEVEL_DEBUG_UNIT = 11,
	84	BT_LOGLEVEL_DEBUG_FUNCTION = 12,
	85	BT_LOGLEVEL_DEBUG_LINE = 13,
	86	BT_LOGLEVEL_DEBUG = 14,
	87	};
	88
95febab3	89	static
1b8455b7	90	struct bt_trace_descriptor ctf_text_open_trace(const char path, int flags,
1cf393f6	91	void (packet_seek)(struct bt_stream_pos pos, size_t index,
ae23d232	92	int whence), FILE *metadata_fp);
95febab3	93	static
1b8455b7	94	int ctf_text_close_trace(struct bt_trace_descriptor *descriptor);
642ec66d	95
642ec66d MD	96	static
	97	rw_dispatch write_dispatch_table[] = {
	98	[ CTF_TYPE_INTEGER ] = ctf_text_integer_write,
	99	[ CTF_TYPE_FLOAT ] = ctf_text_float_write,
	100	[ CTF_TYPE_ENUM ] = ctf_text_enum_write,
	101	[ CTF_TYPE_STRING ] = ctf_text_string_write,
	102	[ CTF_TYPE_STRUCT ] = ctf_text_struct_write,
	103	[ CTF_TYPE_VARIANT ] = ctf_text_variant_write,
	104	[ CTF_TYPE_ARRAY ] = ctf_text_array_write,
	105	[ CTF_TYPE_SEQUENCE ] = ctf_text_sequence_write,
	106	};
	107
	108	static
37b99bdb	109	struct bt_format ctf_text_format = {
642ec66d MD	110	.open_trace = ctf_text_open_trace,
	111	.close_trace = ctf_text_close_trace,
	112	};
	113
d335f0f7 MD	114	static GQuark Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN,
	115	Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END,
	116	Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED,
	117	Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE,
03d0d7ec JD	118	Q_STREAM_PACKET_CONTEXT_PACKET_SIZE,
03d0d7ec JD	119	Q_STREAM_PACKET_CONTEXT_PACKET_SEQ_NUM;
d335f0f7 MD	120
	121	static
	122	void __attribute__((constructor)) init_quarks(void)
	123	{
	124	Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN = g_quark_from_static_string("stream.packet.context.timestamp_begin");
	125	Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END = g_quark_from_static_string("stream.packet.context.timestamp_end");
	126	Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED = g_quark_from_static_string("stream.packet.context.events_discarded");
	127	Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE = g_quark_from_static_string("stream.packet.context.content_size");
	128	Q_STREAM_PACKET_CONTEXT_PACKET_SIZE = g_quark_from_static_string("stream.packet.context.packet_size");
03d0d7ec	129	Q_STREAM_PACKET_CONTEXT_PACKET_SEQ_NUM = g_quark_from_static_string("stream.packet.context.packet_seq_num");
d335f0f7 MD	130	}
d335f0f7 MD	131
f133896d	132	static
c5ff71a3	133	struct ctf_callsite_dups ctf_trace_callsite_lookup(struct ctf_trace trace,
f133896d MD	134	GQuark callsite_name)
	135	{
	136	return g_hash_table_lookup(trace->callsites,
	137	(gpointer) (unsigned long) callsite_name);
	138	}
	139
0d69b916	140	int print_field(struct bt_definition *definition)
d335f0f7 MD	141	{
	142	/* Print all fields in verbose mode */
	143	if (babeltrace_verbose)
	144	return 1;
	145
	146	/* Filter out part of the packet context */
	147	if (definition->path == Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN)
	148	return 0;
	149	if (definition->path == Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END)
	150	return 0;
	151	if (definition->path == Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED)
	152	return 0;
	153	if (definition->path == Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE)
	154	return 0;
	155	if (definition->path == Q_STREAM_PACKET_CONTEXT_PACKET_SIZE)
	156	return 0;
03d0d7ec JD	157	if (definition->path == Q_STREAM_PACKET_CONTEXT_PACKET_SEQ_NUM)
03d0d7ec JD	158	return 0;
d335f0f7 MD	159
	160	return 1;
	161	}
	162
cba1661c MD	163	static
	164	void set_field_names_print(struct ctf_text_stream_pos *pos, enum field_item item)
	165	{
	166	switch (item) {
	167	case ITEM_SCOPE:
	168	if (opt_all_field_names \|\| opt_scope_field_names)
	169	pos->print_names = 1;
	170	else
	171	pos->print_names = 0;
	172	break;
	173	case ITEM_HEADER:
	174	if (opt_all_field_names \|\| opt_header_field_names)
	175	pos->print_names = 1;
	176	else
	177	pos->print_names = 0;
	178	break;
	179	case ITEM_CONTEXT:
	180	if (opt_all_field_names \|\| opt_context_field_names)
	181	pos->print_names = 1;
	182	else
	183	pos->print_names = 0;
	184	break;
	185	case ITEM_PAYLOAD:
	186	if (opt_all_field_names \|\| opt_payload_field_names)
	187	pos->print_names = 1;
	188	else
	189	pos->print_names = 0;
	190
	191	break;
	192	default:
	193	assert(0);
	194	}
	195	}
	196
39535929 MD	197	static
	198	const char *print_loglevel(int value)
	199	{
	200	switch (value) {
	201	case -1:
	202	return "";
	203	case BT_LOGLEVEL_EMERG:
	204	return "TRACE_EMERG";
	205	case BT_LOGLEVEL_ALERT:
	206	return "TRACE_ALERT";
	207	case BT_LOGLEVEL_CRIT:
	208	return "TRACE_CRIT";
	209	case BT_LOGLEVEL_ERR:
	210	return "TRACE_ERR";
	211	case BT_LOGLEVEL_WARNING:
	212	return "TRACE_WARNING";
	213	case BT_LOGLEVEL_NOTICE:
	214	return "TRACE_NOTICE";
	215	case BT_LOGLEVEL_INFO:
	216	return "TRACE_INFO";
	217	case BT_LOGLEVEL_DEBUG_SYSTEM:
	218	return "TRACE_DEBUG_SYSTEM";
	219	case BT_LOGLEVEL_DEBUG_PROGRAM:
	220	return "TRACE_DEBUG_PROGRAM";
	221	case BT_LOGLEVEL_DEBUG_PROCESS:
	222	return "TRACE_DEBUG_PROCESS";
	223	case BT_LOGLEVEL_DEBUG_MODULE:
	224	return "TRACE_DEBUG_MODULE";
	225	case BT_LOGLEVEL_DEBUG_UNIT:
	226	return "TRACE_DEBUG_UNIT";
	227	case BT_LOGLEVEL_DEBUG_FUNCTION:
	228	return "TRACE_DEBUG_FUNCTION";
	229	case BT_LOGLEVEL_DEBUG_LINE:
	230	return "TRACE_DEBUG_LINE";
	231	case BT_LOGLEVEL_DEBUG:
	232	return "TRACE_DEBUG";
	233	default:
	234	return "<<UNKNOWN>>";
	235	}
	236	}
	237
31262354	238	static
1cf393f6	239	int ctf_text_write_event(struct bt_stream_pos ppos, struct ctf_stream_definition stream)
e4195791	240
31262354 MD	241	{
	242	struct ctf_text_stream_pos *pos =
	243	container_of(ppos, struct ctf_text_stream_pos, parent);
f380e105	244	struct ctf_stream_declaration *stream_class = stream->stream_class;
fd3382e8	245	int field_nr_saved;
4716614a	246	struct ctf_event_declaration *event_class;
c716f83b	247	struct ctf_event_definition *event;
c87a8eb2	248	uint64_t id;
31262354	249	int ret;
8c250d87	250	int dom_print = 0;
31262354	251
c87a8eb2	252	id = stream->event_id;
31262354 MD	253
31262354 MD	254	if (id >= stream_class->events_by_id->len) {
3394d22e	255	fprintf(stderr, "[error] Event id %" PRIu64 " is outside range.\n", id);
31262354 MD	256	return -EINVAL;
31262354 MD	257	}
e28d4618 MD	258	event = g_ptr_array_index(stream->events_by_id, id);
e28d4618 MD	259	if (!event) {
3394d22e	260	fprintf(stderr, "[error] Event id %" PRIu64 " is unknown.\n", id);
e28d4618 MD	261	return -EINVAL;
e28d4618 MD	262	}
31262354	263	event_class = g_ptr_array_index(stream_class->events_by_id, id);
9ff2b8ad FO	264	if (!event_class) {
9ff2b8ad FO	265	fprintf(stderr, "[error] Event class id %" PRIu64 " is unknown.\n", id);
31262354 MD	266	return -EINVAL;
	267	}
	268
5e2eb0ae	269	if (stream->has_timestamp) {
cba1661c	270	set_field_names_print(pos, ITEM_HEADER);
be60c7fb MD	271	if (pos->print_names)
	272	fprintf(pos->fp, "timestamp = ");
	273	else
	274	fprintf(pos->fp, "[");
03798a93 JD	275	if (opt_clock_cycles) {
	276	ctf_print_timestamp(pos->fp, stream, stream->cycles_timestamp);
	277	} else {
	278	ctf_print_timestamp(pos->fp, stream, stream->real_timestamp);
	279	}
be60c7fb MD	280	if (!pos->print_names)
be60c7fb MD	281	fprintf(pos->fp, "]");
aa6bffae	282
be60c7fb MD	283	if (pos->print_names)
	284	fprintf(pos->fp, ", ");
	285	else
	286	fprintf(pos->fp, " ");
	287	}
e4497aa0	288	if (opt_delta_field && stream->has_timestamp) {
8d8ed9af MD	289	uint64_t delta, delta_sec, delta_nsec;
	290
	291	set_field_names_print(pos, ITEM_HEADER);
	292	if (pos->print_names)
	293	fprintf(pos->fp, "delta = ");
	294	else
	295	fprintf(pos->fp, "(");
03798a93 JD	296	if (pos->last_real_timestamp != -1ULL) {
03798a93 JD	297	delta = stream->real_timestamp - pos->last_real_timestamp;
8d8ed9af MD	298	delta_sec = delta / NSEC_PER_SEC;
	299	delta_nsec = delta % NSEC_PER_SEC;
	300	fprintf(pos->fp, "+%" PRIu64 ".%09" PRIu64,
	301	delta_sec, delta_nsec);
	302	} else {
	303	fprintf(pos->fp, "+?.?????????");
	304	}
	305	if (!pos->print_names)
	306	fprintf(pos->fp, ")");
	307
	308	if (pos->print_names)
	309	fprintf(pos->fp, ", ");
	310	else
	311	fprintf(pos->fp, " ");
03798a93 JD	312	pos->last_real_timestamp = stream->real_timestamp;
03798a93 JD	313	pos->last_cycles_timestamp = stream->cycles_timestamp;
8d8ed9af MD	314	}
8d8ed9af MD	315
caf929fa	316	if ((opt_trace_field \|\| opt_all_fields) && stream_class->trace->parent.path[0] != '\0') {
82662ad4	317	set_field_names_print(pos, ITEM_HEADER);
8c250d87	318	if (pos->print_names) {
359d7456	319	fprintf(pos->fp, "trace = ");
8c250d87	320	}
caf929fa	321	fprintf(pos->fp, "%s", stream_class->trace->parent.path);
82662ad4 MD	322	if (pos->print_names)
	323	fprintf(pos->fp, ", ");
	324	else
	325	fprintf(pos->fp, " ");
	326	}
c3815874 MD	327	if ((opt_trace_hostname_field \|\| opt_all_fields \|\| opt_trace_default_fields)
c3815874 MD	328	&& stream_class->trace->env.hostname[0] != '\0') {
32cfb8ad MD	329	set_field_names_print(pos, ITEM_HEADER);
	330	if (pos->print_names) {
	331	fprintf(pos->fp, "trace:hostname = ");
	332	}
	333	fprintf(pos->fp, "%s", stream_class->trace->env.hostname);
	334	if (pos->print_names)
	335	fprintf(pos->fp, ", ");
	336	dom_print = 1;
	337	}
c3815874	338	if ((opt_trace_domain_field \|\| opt_all_fields) && stream_class->trace->env.domain[0] != '\0') {
8c250d87 MD	339	set_field_names_print(pos, ITEM_HEADER);
	340	if (pos->print_names) {
	341	fprintf(pos->fp, "trace:domain = ");
	342	}
1842a4c8	343	fprintf(pos->fp, "%s", stream_class->trace->env.domain);
8c250d87 MD	344	if (pos->print_names)
	345	fprintf(pos->fp, ", ");
	346	dom_print = 1;
	347	}
c3815874 MD	348	if ((opt_trace_procname_field \|\| opt_all_fields \|\| opt_trace_default_fields)
c3815874 MD	349	&& stream_class->trace->env.procname[0] != '\0') {
8c250d87 MD	350	set_field_names_print(pos, ITEM_HEADER);
	351	if (pos->print_names) {
	352	fprintf(pos->fp, "trace:procname = ");
	353	} else if (dom_print) {
	354	fprintf(pos->fp, ":");
	355	}
1842a4c8	356	fprintf(pos->fp, "%s", stream_class->trace->env.procname);
8c250d87 MD	357	if (pos->print_names)
	358	fprintf(pos->fp, ", ");
	359	dom_print = 1;
	360	}
c3815874 MD	361	if ((opt_trace_vpid_field \|\| opt_all_fields \|\| opt_trace_default_fields)
c3815874 MD	362	&& stream_class->trace->env.vpid != -1) {
8c250d87 MD	363	set_field_names_print(pos, ITEM_HEADER);
	364	if (pos->print_names) {
	365	fprintf(pos->fp, "trace:vpid = ");
	366	} else if (dom_print) {
	367	fprintf(pos->fp, ":");
	368	}
1842a4c8	369	fprintf(pos->fp, "%d", stream_class->trace->env.vpid);
8c250d87 MD	370	if (pos->print_names)
	371	fprintf(pos->fp, ", ");
	372	dom_print = 1;
	373	}
306eeaa6	374	if ((opt_loglevel_field \|\| opt_all_fields) && event_class->loglevel != -1) {
d86d62f8 MD	375	set_field_names_print(pos, ITEM_HEADER);
	376	if (pos->print_names) {
	377	fprintf(pos->fp, "loglevel = ");
	378	} else if (dom_print) {
	379	fprintf(pos->fp, ":");
	380	}
39535929 MD	381	fprintf(pos->fp, "%s (%d)",
39535929 MD	382	print_loglevel(event_class->loglevel),
306eeaa6	383	event_class->loglevel);
d86d62f8 MD	384	if (pos->print_names)
d86d62f8 MD	385	fprintf(pos->fp, ", ");
f6714e20 MD	386	dom_print = 1;
	387	}
	388	if ((opt_emf_field \|\| opt_all_fields) && event_class->model_emf_uri) {
	389	set_field_names_print(pos, ITEM_HEADER);
	390	if (pos->print_names) {
	391	fprintf(pos->fp, "model.emf.uri = ");
	392	} else if (dom_print) {
	393	fprintf(pos->fp, ":");
	394	}
9b3c1d6f	395	fprintf(pos->fp, "\"%s\"",
f6714e20 MD	396	g_quark_to_string(event_class->model_emf_uri));
	397	if (pos->print_names)
	398	fprintf(pos->fp, ", ");
d86d62f8 MD	399	dom_print = 1;
d86d62f8 MD	400	}
f133896d	401	if ((opt_callsite_field \|\| opt_all_fields)) {
c5ff71a3	402	struct ctf_callsite_dups *cs_dups;
f133896d MD	403	struct ctf_callsite *callsite;
f133896d MD	404
c5ff71a3	405	cs_dups = ctf_trace_callsite_lookup(stream_class->trace,
f133896d	406	event_class->name);
c5ff71a3 MD	407	if (cs_dups) {
	408	int i = 0;
	409
f133896d MD	410	set_field_names_print(pos, ITEM_HEADER);
	411	if (pos->print_names) {
	412	fprintf(pos->fp, "callsite = ");
	413	} else if (dom_print) {
	414	fprintf(pos->fp, ":");
	415	}
c5ff71a3 MD	416	fprintf(pos->fp, "[");
	417	bt_list_for_each_entry(callsite, &cs_dups->head, node) {
	418	if (i != 0)
	419	fprintf(pos->fp, ",");
b448902b MD	420	if (CTF_CALLSITE_FIELD_IS_SET(callsite, ip)) {
	421	fprintf(pos->fp, "%s@0x%" PRIx64 ":%s:%" PRIu64 "",
	422	callsite->func, callsite->ip, callsite->file,
	423	callsite->line);
	424	} else {
	425	fprintf(pos->fp, "%s:%s:%" PRIu64 "",
	426	callsite->func, callsite->file,
	427	callsite->line);
	428	}
c5ff71a3 MD	429	i++;
	430	}
	431	fprintf(pos->fp, "]");
f133896d MD	432	if (pos->print_names)
	433	fprintf(pos->fp, ", ");
	434	dom_print = 1;
	435	}
	436	}
8c250d87 MD	437	if (dom_print && !pos->print_names)
8c250d87 MD	438	fprintf(pos->fp, " ");
cba1661c	439	set_field_names_print(pos, ITEM_HEADER);
31262354 MD	440	if (pos->print_names)
31262354 MD	441	fprintf(pos->fp, "name = ");
8178fe48 MD	442	fprintf(pos->fp, "%s", g_quark_to_string(event_class->name));
8178fe48 MD	443	if (pos->print_names)
fd3382e8	444	pos->field_nr++;
8178fe48	445	else
fd3382e8	446	fprintf(pos->fp, ":");
31262354	447
e28d4618 MD	448	/* print cpuid field from packet context */
	449	if (stream->stream_packet_context) {
	450	if (pos->field_nr++ != 0)
	451	fprintf(pos->fp, ",");
cba1661c	452	set_field_names_print(pos, ITEM_SCOPE);
e28d4618 MD	453	if (pos->print_names)
	454	fprintf(pos->fp, " stream.packet.context =");
	455	field_nr_saved = pos->field_nr;
	456	pos->field_nr = 0;
cba1661c	457	set_field_names_print(pos, ITEM_CONTEXT);
e28d4618 MD	458	ret = generic_rw(ppos, &stream->stream_packet_context->p);
	459	if (ret)
	460	goto error;
	461	pos->field_nr = field_nr_saved;
	462	}
	463
764af3f4	464	/* Only show the event header in verbose mode */
e28d4618	465	if (babeltrace_verbose && stream->stream_event_header) {
fd3382e8 MD	466	if (pos->field_nr++ != 0)
fd3382e8 MD	467	fprintf(pos->fp, ",");
cba1661c	468	set_field_names_print(pos, ITEM_SCOPE);
31262354	469	if (pos->print_names)
fd3382e8 MD	470	fprintf(pos->fp, " stream.event.header =");
	471	field_nr_saved = pos->field_nr;
	472	pos->field_nr = 0;
cba1661c	473	set_field_names_print(pos, ITEM_CONTEXT);
e28d4618	474	ret = generic_rw(ppos, &stream->stream_event_header->p);
31262354 MD	475	if (ret)
31262354 MD	476	goto error;
fd3382e8	477	pos->field_nr = field_nr_saved;
31262354 MD	478	}
	479
	480	/* print stream-declared event context */
e28d4618	481	if (stream->stream_event_context) {
fd3382e8 MD	482	if (pos->field_nr++ != 0)
fd3382e8 MD	483	fprintf(pos->fp, ",");
cba1661c	484	set_field_names_print(pos, ITEM_SCOPE);
31262354	485	if (pos->print_names)
fd3382e8 MD	486	fprintf(pos->fp, " stream.event.context =");
	487	field_nr_saved = pos->field_nr;
	488	pos->field_nr = 0;
cba1661c	489	set_field_names_print(pos, ITEM_CONTEXT);
e28d4618	490	ret = generic_rw(ppos, &stream->stream_event_context->p);
31262354 MD	491	if (ret)
31262354 MD	492	goto error;
fd3382e8	493	pos->field_nr = field_nr_saved;
31262354 MD	494	}
	495
	496	/* print event-declared event context */
e28d4618	497	if (event->event_context) {
fd3382e8 MD	498	if (pos->field_nr++ != 0)
fd3382e8 MD	499	fprintf(pos->fp, ",");
cba1661c	500	set_field_names_print(pos, ITEM_SCOPE);
31262354	501	if (pos->print_names)
fd3382e8 MD	502	fprintf(pos->fp, " event.context =");
	503	field_nr_saved = pos->field_nr;
	504	pos->field_nr = 0;
cba1661c	505	set_field_names_print(pos, ITEM_CONTEXT);
e28d4618	506	ret = generic_rw(ppos, &event->event_context->p);
31262354 MD	507	if (ret)
31262354 MD	508	goto error;
fd3382e8	509	pos->field_nr = field_nr_saved;
31262354 MD	510	}
	511
	512	/* Read and print event payload */
e28d4618	513	if (event->event_fields) {
fd3382e8 MD	514	if (pos->field_nr++ != 0)
fd3382e8 MD	515	fprintf(pos->fp, ",");
cba1661c	516	set_field_names_print(pos, ITEM_SCOPE);
31262354	517	if (pos->print_names)
fd3382e8 MD	518	fprintf(pos->fp, " event.fields =");
	519	field_nr_saved = pos->field_nr;
	520	pos->field_nr = 0;
cba1661c	521	set_field_names_print(pos, ITEM_PAYLOAD);
e28d4618	522	ret = generic_rw(ppos, &event->event_fields->p);
31262354 MD	523	if (ret)
31262354 MD	524	goto error;
fd3382e8	525	pos->field_nr = field_nr_saved;
31262354	526	}
fd3382e8	527	/* newline */
31262354	528	fprintf(pos->fp, "\n");
fd3382e8	529	pos->field_nr = 0;
31262354 MD	530
	531	return 0;
	532
	533	error:
3394d22e	534	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	535	return ret;
	536	}
	537
95febab3	538	static
1b8455b7	539	struct bt_trace_descriptor ctf_text_open_trace(const char path, int flags,
1cf393f6	540	void (packet_seek)(struct bt_stream_pos pos, size_t index,
ae23d232	541	int whence), FILE *metadata_fp)
642ec66d MD	542	{
	543	struct ctf_text_stream_pos *pos;
	544	FILE *fp;
	545
	546	pos = g_new0(struct ctf_text_stream_pos, 1);
	547
03798a93 JD	548	pos->last_real_timestamp = -1ULL;
03798a93 JD	549	pos->last_cycles_timestamp = -1ULL;
642ec66d	550	switch (flags & O_ACCMODE) {
989c73bc	551	case O_RDWR:
b61922b5	552	if (!path)
6cf7957b MD	553	fp = stdout;
	554	else
	555	fp = fopen(path, "w");
642ec66d MD	556	if (!fp)
	557	goto error;
	558	pos->fp = fp;
	559	pos->parent.rw_table = write_dispatch_table;
31262354	560	pos->parent.event_cb = ctf_text_write_event;
ca334c72	561	pos->parent.trace = &pos->trace_descriptor;
cba1661c	562	pos->print_names = 0;
2654fe9b	563	babeltrace_ctf_console_output++;
642ec66d MD	564	break;
	565	case O_RDONLY:
	566	default:
3394d22e	567	fprintf(stderr, "[error] Incorrect open flags.\n");
642ec66d MD	568	goto error;
	569	}
	570
	571	return &pos->trace_descriptor;
	572	error:
	573	g_free(pos);
	574	return NULL;
	575	}
	576
95febab3	577	static
1b8455b7	578	int ctf_text_close_trace(struct bt_trace_descriptor *td)
642ec66d	579	{
f824ae04	580	int ret;
642ec66d MD	581	struct ctf_text_stream_pos *pos =
642ec66d MD	582	container_of(td, struct ctf_text_stream_pos, trace_descriptor);
2654fe9b MD	583
2654fe9b MD	584	babeltrace_ctf_console_output--;
9a3bb76a MD	585	if (pos->fp != stdout) {
	586	ret = fclose(pos->fp);
	587	if (ret) {
	588	perror("Error on fclose");
	589	return -1;
	590	}
f824ae04	591	}
642ec66d	592	g_free(pos);
f824ae04	593	return 0;
642ec66d MD	594	}
642ec66d MD	595
95febab3	596	static
642ec66d MD	597	void __attribute__((constructor)) ctf_text_init(void)
	598	{
	599	int ret;
	600
	601	ctf_text_format.name = g_quark_from_static_string("text");
	602	ret = bt_register_format(&ctf_text_format);
	603	assert(!ret);
	604	}
	605
95febab3 MD	606	static
	607	void __attribute__((destructor)) ctf_text_exit(void)
	608	{
	609	bt_unregister_format(&ctf_text_format);
	610	}