[babeltrace.git] / lib / trace-handle.c

/*
 * trace_handle.c
 *
 * Babeltrace Library
 *
 * Copyright 2012 EfficiOS Inc. and Linux Foundation
 *
 * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 *         Julien Desfossez <julien.desfossez@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 <stdint.h>
#include <stdlib.h>
#include <babeltrace/babeltrace.h>
#include <babeltrace/context.h>
#include <babeltrace/context-internal.h>
#include <babeltrace/trace-handle.h>
#include <babeltrace/trace-handle-internal.h>

struct bt_trace_handle *bt_trace_handle_create(struct bt_context *ctx)
{
	struct bt_trace_handle *th;

	if (!ctx)
		return NULL;

	th = g_new0(struct bt_trace_handle, 1);
	th->id = ctx->last_trace_handle_id++;
	return th;
}

void bt_trace_handle_destroy(struct bt_trace_handle *th)
{
	g_free(th);
}

const char *bt_trace_handle_get_path(struct bt_context *ctx, int handle_id)
{
	struct bt_trace_handle *handle;

	if (!ctx)
		return NULL;

	handle = g_hash_table_lookup(ctx->trace_handles,
			(gpointer) (unsigned long) handle_id);
	if (!handle)
		return NULL;
	return handle->path;
}

uint64_t bt_trace_handle_get_timestamp_begin(struct bt_context *ctx,
		int handle_id, enum bt_clock_type type)
{
	struct bt_trace_handle *handle;
	uint64_t ret;

	if (!ctx)
		return -1ULL;

	handle = g_hash_table_lookup(ctx->trace_handles,
			(gpointer) (unsigned long) handle_id);
	if (!handle) {
		ret = -1ULL;
		goto end;
	}
	if (type == BT_CLOCK_REAL) {
		ret = handle->real_timestamp_begin;
	} else if (type == BT_CLOCK_CYCLES) {
		ret = handle->cycles_timestamp_begin;
	} else {
		ret = -1ULL;
	}

end:
	return ret;
}

uint64_t bt_trace_handle_get_timestamp_end(struct bt_context *ctx,
		int handle_id, enum bt_clock_type type)
{
	struct bt_trace_handle *handle;
	uint64_t ret;

	if (!ctx)
		return -1ULL;

	handle = g_hash_table_lookup(ctx->trace_handles,
			(gpointer) (unsigned long) handle_id);
	if (!handle) {
		ret = -1ULL;
		goto end;
	}
	if (type == BT_CLOCK_REAL) {
		ret = handle->real_timestamp_end;
	} else if (type == BT_CLOCK_CYCLES) {
		ret = handle->cycles_timestamp_end;
	} else {
		ret = -1ULL;
	}

end:
	return ret;
}
Commit	Line	Data
842c2b97 JD	1	/*
	2	* trace_handle.c
	3	*
	4	* Babeltrace Library
	5	*
	6	* Copyright 2012 EfficiOS Inc. and Linux Foundation
	7	*
	8	* Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
	9	* Julien Desfossez <julien.desfossez@efficios.com>
	10	*
	11	* Permission is hereby granted, free of charge, to any person obtaining a copy
	12	* of this software and associated documentation files (the "Software"), to deal
	13	* in the Software without restriction, including without limitation the rights
	14	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	15	* copies of the Software, and to permit persons to whom the Software is
	16	* furnished to do so, subject to the following conditions:
	17	*
	18	* The above copyright notice and this permission notice shall be included in
	19	* all copies or substantial portions of the Software.
c462e188 MD	20	*
	21	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	22	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	23	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	24	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	25	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	26	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	27	* SOFTWARE.
842c2b97 JD	28	*/
	29
	30	#include <stdint.h>
	31	#include <stdlib.h>
	32	#include <babeltrace/babeltrace.h>
	33	#include <babeltrace/context.h>
08c22d05	34	#include <babeltrace/context-internal.h>
842c2b97 JD	35	#include <babeltrace/trace-handle.h>
	36	#include <babeltrace/trace-handle-internal.h>
	37
	38	struct bt_trace_handle bt_trace_handle_create(struct bt_context ctx)
	39	{
	40	struct bt_trace_handle *th;
	41
7f89ddce MD	42	if (!ctx)
	43	return NULL;
	44
6cba487f	45	th = g_new0(struct bt_trace_handle, 1);
842c2b97 JD	46	th->id = ctx->last_trace_handle_id++;
	47	return th;
	48	}
	49
6cba487f MD	50	void bt_trace_handle_destroy(struct bt_trace_handle *th)
	51	{
	52	g_free(th);
	53	}
	54
e3d12cf9	55	const char bt_trace_handle_get_path(struct bt_context ctx, int handle_id)
842c2b97	56	{
e3d12cf9 JD	57	struct bt_trace_handle *handle;
e3d12cf9 JD	58
7f89ddce MD	59	if (!ctx)
	60	return NULL;
	61
e3d12cf9 JD	62	handle = g_hash_table_lookup(ctx->trace_handles,
e3d12cf9 JD	63	(gpointer) (unsigned long) handle_id);
5d95b2db JD	64	if (!handle)
5d95b2db JD	65	return NULL;
e3d12cf9	66	return handle->path;
842c2b97 JD	67	}
842c2b97 JD	68
03798a93 JD	69	uint64_t bt_trace_handle_get_timestamp_begin(struct bt_context *ctx,
03798a93 JD	70	int handle_id, enum bt_clock_type type)
842c2b97	71	{
e3d12cf9	72	struct bt_trace_handle *handle;
03798a93	73	uint64_t ret;
e3d12cf9	74
7f89ddce MD	75	if (!ctx)
	76	return -1ULL;
	77
e3d12cf9 JD	78	handle = g_hash_table_lookup(ctx->trace_handles,
e3d12cf9 JD	79	(gpointer) (unsigned long) handle_id);
03798a93 JD	80	if (!handle) {
	81	ret = -1ULL;
	82	goto end;
	83	}
	84	if (type == BT_CLOCK_REAL) {
	85	ret = handle->real_timestamp_begin;
	86	} else if (type == BT_CLOCK_CYCLES) {
	87	ret = handle->cycles_timestamp_begin;
	88	} else {
	89	ret = -1ULL;
	90	}
	91
	92	end:
	93	return ret;
842c2b97 JD	94	}
842c2b97 JD	95
03798a93 JD	96	uint64_t bt_trace_handle_get_timestamp_end(struct bt_context *ctx,
03798a93 JD	97	int handle_id, enum bt_clock_type type)
842c2b97	98	{
e3d12cf9	99	struct bt_trace_handle *handle;
03798a93	100	uint64_t ret;
e3d12cf9	101
7f89ddce MD	102	if (!ctx)
	103	return -1ULL;
	104
e3d12cf9 JD	105	handle = g_hash_table_lookup(ctx->trace_handles,
e3d12cf9 JD	106	(gpointer) (unsigned long) handle_id);
03798a93 JD	107	if (!handle) {
	108	ret = -1ULL;
	109	goto end;
	110	}
	111	if (type == BT_CLOCK_REAL) {
	112	ret = handle->real_timestamp_end;
	113	} else if (type == BT_CLOCK_CYCLES) {
	114	ret = handle->cycles_timestamp_end;
	115	} else {
	116	ret = -1ULL;
	117	}
	118
	119	end:
	120	return ret;
842c2b97	121	}