[babeltrace.git] / include / babeltrace / ctf-writer / event-class-internal.h

#ifndef BABELTRACE_CTF_WRITER_EVENT_CLASS_INTERNAL_H
#define BABELTRACE_CTF_WRITER_EVENT_CLASS_INTERNAL_H

/*
 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
 *
 * Author: Jérémie Galarneau <jeremie.galarneau@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/assert-internal.h>
#include <babeltrace/babeltrace-internal.h>
#include <babeltrace/ctf-writer/event.h>
#include <babeltrace/ctf-writer/field-types.h>
#include <babeltrace/ctf-writer/fields.h>
#include <babeltrace/ctf-writer/stream-class.h>
#include <babeltrace/ctf-writer/stream.h>
#include <babeltrace/ctf-writer/trace-internal.h>
#include <babeltrace/object-internal.h>
#include <babeltrace/values.h>
#include <glib.h>

struct bt_ctf_event_class_common {
	struct bt_object base;
	struct bt_ctf_field_type_common *context_field_type;
	struct bt_ctf_field_type_common *payload_field_type;
	int frozen;

	/*
	 * This flag indicates if the event class is valid. A valid
	 * event class is _always_ frozen. However, an event class
	 * may be frozen, but not valid yet. This is okay, as long as
	 * no events are created out of this event class.
	 */
	int valid;

	/* Attributes */
	GString *name;
	int64_t id;
	int log_level;
	GString *emf_uri;
};

BT_HIDDEN
void bt_ctf_event_class_common_freeze(struct bt_ctf_event_class_common *event_class);

BT_HIDDEN
void bt_ctf_event_class_common_set_native_byte_order(
		struct bt_ctf_event_class_common *event_class, int byte_order);

static inline
struct bt_ctf_stream_class_common *bt_ctf_event_class_common_borrow_stream_class(
		struct bt_ctf_event_class_common *event_class)
{
	BT_ASSERT(event_class);
	return (void *) bt_object_borrow_parent(&event_class->base);
}

typedef struct bt_ctf_field_type_common *(*bt_ctf_field_type_structure_create_func)();

BT_HIDDEN
int bt_ctf_event_class_common_initialize(struct bt_ctf_event_class_common *event_class,
		const char *name, bt_object_release_func release_func,
		bt_ctf_field_type_structure_create_func ft_struct_create_func);

BT_HIDDEN
void bt_ctf_event_class_common_finalize(struct bt_object *obj);

BT_HIDDEN
int bt_ctf_event_class_common_validate_single_clock_class(
		struct bt_ctf_event_class_common *event_class,
		struct bt_ctf_clock_class **expected_clock_class);

static inline
const char *bt_ctf_event_class_common_get_name(
		struct bt_ctf_event_class_common *event_class)
{
	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
	BT_ASSERT(event_class->name);
	return event_class->name->str;
}

static inline
int64_t bt_ctf_event_class_common_get_id(
		struct bt_ctf_event_class_common *event_class)
{
	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
	return event_class->id;
}

static inline
int bt_ctf_event_class_common_set_id(
		struct bt_ctf_event_class_common *event_class, uint64_t id_param)
{
	int ret = 0;
	int64_t id = (int64_t) id_param;

	if (!event_class) {
		BT_LOGW_STR("Invalid parameter: event class is NULL.");
		ret = -1;
		goto end;
	}

	if (event_class->frozen) {
		BT_LOGW("Invalid parameter: event class is frozen: "
			"addr=%p, name=\"%s\", id=%" PRId64,
			event_class,
			bt_ctf_event_class_common_get_name(event_class),
			bt_ctf_event_class_common_get_id(event_class));
		ret = -1;
		goto end;
	}

	if (id < 0) {
		BT_LOGW("Invalid parameter: invalid event class's ID: "
			"addr=%p, name=\"%s\", id=%" PRIu64,
			event_class,
			bt_ctf_event_class_common_get_name(event_class),
			id_param);
		ret = -1;
		goto end;
	}

	event_class->id = id;
	BT_LOGV("Set event class's ID: "
		"addr=%p, name=\"%s\", id=%" PRId64,
		event_class, bt_ctf_event_class_common_get_name(event_class), id);

end:
	return ret;
}

static inline
int bt_ctf_event_class_common_get_log_level(
		struct bt_ctf_event_class_common *event_class)
{
	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
	return event_class->log_level;
}

static inline
int bt_ctf_event_class_common_set_log_level(
		struct bt_ctf_event_class_common *event_class, int log_level)
{
	int ret = 0;

	if (!event_class) {
		BT_LOGW_STR("Invalid parameter: event class is NULL.");
		ret = -1;
		goto end;
	}

	if (event_class->frozen) {
		BT_LOGW("Invalid parameter: event class is frozen: "
			"addr=%p, name=\"%s\", id=%" PRId64,
			event_class,
			bt_ctf_event_class_common_get_name(event_class),
			bt_ctf_event_class_common_get_id(event_class));
		ret = -1;
		goto end;
	}

	switch (log_level) {
	case BT_CTF_EVENT_CLASS_LOG_LEVEL_UNSPECIFIED:
	case BT_CTF_EVENT_CLASS_LOG_LEVEL_EMERGENCY:
	case BT_CTF_EVENT_CLASS_LOG_LEVEL_ALERT:
	case BT_CTF_EVENT_CLASS_LOG_LEVEL_CRITICAL:
	case BT_CTF_EVENT_CLASS_LOG_LEVEL_ERROR:
	case BT_CTF_EVENT_CLASS_LOG_LEVEL_WARNING:
	case BT_CTF_EVENT_CLASS_LOG_LEVEL_NOTICE:
	case BT_CTF_EVENT_CLASS_LOG_LEVEL_INFO:
	case BT_CTF_EVENT_CLASS_LOG_LEVEL_DEBUG_SYSTEM:
	case BT_CTF_EVENT_CLASS_LOG_LEVEL_DEBUG_PROGRAM:
	case BT_CTF_EVENT_CLASS_LOG_LEVEL_DEBUG_PROCESS:
	case BT_CTF_EVENT_CLASS_LOG_LEVEL_DEBUG_MODULE:
	case BT_CTF_EVENT_CLASS_LOG_LEVEL_DEBUG_UNIT:
	case BT_CTF_EVENT_CLASS_LOG_LEVEL_DEBUG_FUNCTION:
	case BT_CTF_EVENT_CLASS_LOG_LEVEL_DEBUG_LINE:
	case BT_CTF_EVENT_CLASS_LOG_LEVEL_DEBUG:
		break;
	default:
		BT_LOGW("Invalid parameter: unknown event class log level: "
			"addr=%p, name=\"%s\", id=%" PRId64 ", log-level=%d",
			event_class, bt_ctf_event_class_common_get_name(event_class),
			bt_ctf_event_class_common_get_id(event_class), log_level);
		ret = -1;
		goto end;
	}

	event_class->log_level = log_level;
	BT_LOGV("Set event class's log level: "
		"addr=%p, name=\"%s\", id=%" PRId64 ", log-level=%s",
		event_class, bt_ctf_event_class_common_get_name(event_class),
		bt_ctf_event_class_common_get_id(event_class),
		bt_ctf_event_class_log_level_string(log_level));

end:
	return ret;
}

static inline
const char *bt_ctf_event_class_common_get_emf_uri(
		struct bt_ctf_event_class_common *event_class)
{
	const char *emf_uri = NULL;

	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");

	if (event_class->emf_uri->len > 0) {
		emf_uri = event_class->emf_uri->str;
	}

	return emf_uri;
}

static inline
int bt_ctf_event_class_common_set_emf_uri(
		struct bt_ctf_event_class_common *event_class,
		const char *emf_uri)
{
	int ret = 0;

	if (!event_class) {
		BT_LOGW_STR("Invalid parameter: event class is NULL.");
		ret = -1;
		goto end;
	}

	if (emf_uri && strlen(emf_uri) == 0) {
		BT_LOGW_STR("Invalid parameter: EMF URI is empty.");
		ret = -1;
		goto end;
	}

	if (event_class->frozen) {
		BT_LOGW("Invalid parameter: event class is frozen: "
			"addr=%p, name=\"%s\", id=%" PRId64,
			event_class, bt_ctf_event_class_common_get_name(event_class),
			bt_ctf_event_class_common_get_id(event_class));
		ret = -1;
		goto end;
	}

	if (emf_uri) {
		g_string_assign(event_class->emf_uri, emf_uri);
		BT_LOGV("Set event class's EMF URI: "
			"addr=%p, name=\"%s\", id=%" PRId64 ", emf-uri=\"%s\"",
			event_class, bt_ctf_event_class_common_get_name(event_class),
			bt_ctf_event_class_common_get_id(event_class), emf_uri);
	} else {
		g_string_assign(event_class->emf_uri, "");
		BT_LOGV("Reset event class's EMF URI: "
			"addr=%p, name=\"%s\", id=%" PRId64,
			event_class, bt_ctf_event_class_common_get_name(event_class),
			bt_ctf_event_class_common_get_id(event_class));
	}

end:
	return ret;
}

static inline
struct bt_ctf_field_type_common *bt_ctf_event_class_common_borrow_context_field_type(
		struct bt_ctf_event_class_common *event_class)
{
	struct bt_ctf_field_type_common *context_ft = NULL;

	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");

	if (!event_class->context_field_type) {
		BT_LOGV("Event class has no context field type: "
			"addr=%p, name=\"%s\", id=%" PRId64,
			event_class, bt_ctf_event_class_common_get_name(event_class),
			bt_ctf_event_class_common_get_id(event_class));
		goto end;
	}

	context_ft = event_class->context_field_type;

end:
	return context_ft;
}

static inline
int bt_ctf_event_class_common_set_context_field_type(
		struct bt_ctf_event_class_common *event_class,
		struct bt_ctf_field_type_common *context_ft)
{
	int ret = 0;

	if (!event_class) {
		BT_LOGW_STR("Invalid parameter: event class is NULL.");
		ret = -1;
		goto end;
	}

	if (event_class->frozen) {
		BT_LOGW("Invalid parameter: event class is frozen: "
			"addr=%p, name=\"%s\", id=%" PRId64,
			event_class, bt_ctf_event_class_common_get_name(event_class),
			bt_ctf_event_class_common_get_id(event_class));
		ret = -1;
		goto end;
	}

	if (context_ft && bt_ctf_field_type_common_get_type_id(context_ft) !=
			BT_CTF_FIELD_TYPE_ID_STRUCT) {
		BT_LOGW("Invalid parameter: event class's context field type must be a structure: "
			"addr=%p, name=\"%s\", id=%" PRId64 ", "
			"context-ft-id=%s",
			event_class, bt_ctf_event_class_common_get_name(event_class),
			bt_ctf_event_class_common_get_id(event_class),
			bt_ctf_field_type_id_string(
				bt_ctf_field_type_common_get_type_id(context_ft)));
		ret = -1;
		goto end;
	}

	bt_object_put_ref(event_class->context_field_type);
	event_class->context_field_type = bt_object_get_ref(context_ft);
	BT_LOGV("Set event class's context field type: "
		"event-class-addr=%p, event-class-name=\"%s\", "
		"event-class-id=%" PRId64 ", context-ft-addr=%p",
		event_class, bt_ctf_event_class_common_get_name(event_class),
		bt_ctf_event_class_common_get_id(event_class), context_ft);

end:
	return ret;
}

static inline
struct bt_ctf_field_type_common *bt_ctf_event_class_common_borrow_payload_field_type(
		struct bt_ctf_event_class_common *event_class)
{
	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
	return event_class->payload_field_type;
}

static inline
int bt_ctf_event_class_common_set_payload_field_type(
		struct bt_ctf_event_class_common *event_class,
		struct bt_ctf_field_type_common *payload_ft)
{
	int ret = 0;

	if (!event_class) {
		BT_LOGW_STR("Invalid parameter: event class is NULL.");
		ret = -1;
		goto end;
	}

	if (payload_ft && bt_ctf_field_type_common_get_type_id(payload_ft) !=
			BT_CTF_FIELD_TYPE_ID_STRUCT) {
		BT_LOGW("Invalid parameter: event class's payload field type must be a structure: "
			"addr=%p, name=\"%s\", id=%" PRId64 ", "
			"payload-ft-addr=%p, payload-ft-id=%s",
			event_class, bt_ctf_event_class_common_get_name(event_class),
			bt_ctf_event_class_common_get_id(event_class), payload_ft,
			bt_ctf_field_type_id_string(
				bt_ctf_field_type_common_get_type_id(payload_ft)));
		ret = -1;
		goto end;
	}

	bt_object_put_ref(event_class->payload_field_type);
	event_class->payload_field_type = bt_object_get_ref(payload_ft);
	BT_LOGV("Set event class's payload field type: "
		"event-class-addr=%p, event-class-name=\"%s\", "
		"event-class-id=%" PRId64 ", payload-ft-addr=%p",
		event_class, bt_ctf_event_class_common_get_name(event_class),
		bt_ctf_event_class_common_get_id(event_class), payload_ft);
end:
	return ret;
}

#endif /* BABELTRACE_CTF_WRITER_EVENT_CLASS_INTERNAL_H */
Commit	Line	Data
16ca5ff0 PP	1	#ifndef BABELTRACE_CTF_WRITER_EVENT_CLASS_INTERNAL_H
	2	#define BABELTRACE_CTF_WRITER_EVENT_CLASS_INTERNAL_H
	3
	4	/*
16ca5ff0 PP	5	* Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
	6	*
	7	* Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
	8	*
	9	* Permission is hereby granted, free of charge, to any person obtaining a copy
	10	* of this software and associated documentation files (the "Software"), to deal
	11	* in the Software without restriction, including without limitation the rights
	12	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	13	* copies of the Software, and to permit persons to whom the Software is
	14	* furnished to do so, subject to the following conditions:
	15	*
	16	* The above copyright notice and this permission notice shall be included in
	17	* all copies or substantial portions of the Software.
	18	*
	19	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	20	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	21	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	22	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	23	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	24	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	25	* SOFTWARE.
	26	*/
	27
	28	#include <babeltrace/assert-internal.h>
	29	#include <babeltrace/babeltrace-internal.h>
	30	#include <babeltrace/ctf-writer/event.h>
	31	#include <babeltrace/ctf-writer/field-types.h>
	32	#include <babeltrace/ctf-writer/fields.h>
	33	#include <babeltrace/ctf-writer/stream-class.h>
	34	#include <babeltrace/ctf-writer/stream.h>
	35	#include <babeltrace/ctf-writer/trace-internal.h>
	36	#include <babeltrace/object-internal.h>
	37	#include <babeltrace/values.h>
	38	#include <glib.h>
	39
	40	struct bt_ctf_event_class_common {
	41	struct bt_object base;
	42	struct bt_ctf_field_type_common *context_field_type;
	43	struct bt_ctf_field_type_common *payload_field_type;
	44	int frozen;
	45
	46	/*
	47	* This flag indicates if the event class is valid. A valid
	48	* event class is _always_ frozen. However, an event class
	49	* may be frozen, but not valid yet. This is okay, as long as
	50	* no events are created out of this event class.
	51	*/
	52	int valid;
	53
	54	/* Attributes */
	55	GString *name;
	56	int64_t id;
	57	int log_level;
	58	GString *emf_uri;
	59	};
	60
	61	BT_HIDDEN
	62	void bt_ctf_event_class_common_freeze(struct bt_ctf_event_class_common *event_class);
	63
	64	BT_HIDDEN
	65	void bt_ctf_event_class_common_set_native_byte_order(
	66	struct bt_ctf_event_class_common *event_class, int byte_order);
	67
	68	static inline
69	struct bt_ctf_stream_class_common *bt_ctf_event_class_common_borrow_stream_class(
70	struct bt_ctf_event_class_common *event_class)
71	{
72	BT_ASSERT(event_class);
73	return (void *) bt_object_borrow_parent(&event_class->base);
74	}
75
76	typedef struct bt_ctf_field_type_common (bt_ctf_field_type_structure_create_func)();
77
78	BT_HIDDEN
79	int bt_ctf_event_class_common_initialize(struct bt_ctf_event_class_common *event_class,
80	const char *name, bt_object_release_func release_func,
81	bt_ctf_field_type_structure_create_func ft_struct_create_func);
82
83	BT_HIDDEN
84	void bt_ctf_event_class_common_finalize(struct bt_object *obj);
85
86	BT_HIDDEN
87	int bt_ctf_event_class_common_validate_single_clock_class(
88	struct bt_ctf_event_class_common *event_class,
89	struct bt_ctf_clock_class **expected_clock_class);
90
91	static inline
92	const char *bt_ctf_event_class_common_get_name(
93	struct bt_ctf_event_class_common *event_class)
94	{
95	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
96	BT_ASSERT(event_class->name);
97	return event_class->name->str;
98	}
99
100	static inline
101	int64_t bt_ctf_event_class_common_get_id(
102	struct bt_ctf_event_class_common *event_class)
103	{
104	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
105	return event_class->id;
106	}
107
108	static inline
109	int bt_ctf_event_class_common_set_id(
110	struct bt_ctf_event_class_common *event_class, uint64_t id_param)
111	{
112	int ret = 0;
113	int64_t id = (int64_t) id_param;
114
115	if (!event_class) {
116	BT_LOGW_STR("Invalid parameter: event class is NULL.");
117	ret = -1;
118	goto end;
119	}
120
121	if (event_class->frozen) {
122	BT_LOGW("Invalid parameter: event class is frozen: "
123	"addr=%p, name=\"%s\", id=%" PRId64,
124	event_class,
125	bt_ctf_event_class_common_get_name(event_class),
126	bt_ctf_event_class_common_get_id(event_class));
127	ret = -1;
128	goto end;
129	}
130
131	if (id < 0) {
132	BT_LOGW("Invalid parameter: invalid event class's ID: "
133	"addr=%p, name=\"%s\", id=%" PRIu64,
134	event_class,
135	bt_ctf_event_class_common_get_name(event_class),
136	id_param);
137	ret = -1;
138	goto end;
139	}
140
141	event_class->id = id;
142	BT_LOGV("Set event class's ID: "
143	"addr=%p, name=\"%s\", id=%" PRId64,
144	event_class, bt_ctf_event_class_common_get_name(event_class), id);
145
146	end:
147	return ret;
148	}
149
150	static inline
151	int bt_ctf_event_class_common_get_log_level(
152	struct bt_ctf_event_class_common *event_class)
153	{
154	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
155	return event_class->log_level;
156	}
157
158	static inline
159	int bt_ctf_event_class_common_set_log_level(
160	struct bt_ctf_event_class_common *event_class, int log_level)
161	{
162	int ret = 0;
163
164	if (!event_class) {
165	BT_LOGW_STR("Invalid parameter: event class is NULL.");
166	ret = -1;
167	goto end;
168	}
169
170	if (event_class->frozen) {
171	BT_LOGW("Invalid parameter: event class is frozen: "
172	"addr=%p, name=\"%s\", id=%" PRId64,
173	event_class,
174	bt_ctf_event_class_common_get_name(event_class),
175	bt_ctf_event_class_common_get_id(event_class));
176	ret = -1;
177	goto end;
178	}
179
180	switch (log_level) {
181	case BT_CTF_EVENT_CLASS_LOG_LEVEL_UNSPECIFIED:
182	case BT_CTF_EVENT_CLASS_LOG_LEVEL_EMERGENCY:
183	case BT_CTF_EVENT_CLASS_LOG_LEVEL_ALERT:
184	case BT_CTF_EVENT_CLASS_LOG_LEVEL_CRITICAL:
185	case BT_CTF_EVENT_CLASS_LOG_LEVEL_ERROR:
186	case BT_CTF_EVENT_CLASS_LOG_LEVEL_WARNING:
187	case BT_CTF_EVENT_CLASS_LOG_LEVEL_NOTICE:
188	case BT_CTF_EVENT_CLASS_LOG_LEVEL_INFO:
189	case BT_CTF_EVENT_CLASS_LOG_LEVEL_DEBUG_SYSTEM:
190	case BT_CTF_EVENT_CLASS_LOG_LEVEL_DEBUG_PROGRAM:
191	case BT_CTF_EVENT_CLASS_LOG_LEVEL_DEBUG_PROCESS:
192	case BT_CTF_EVENT_CLASS_LOG_LEVEL_DEBUG_MODULE:
193	case BT_CTF_EVENT_CLASS_LOG_LEVEL_DEBUG_UNIT:
194	case BT_CTF_EVENT_CLASS_LOG_LEVEL_DEBUG_FUNCTION:
195	case BT_CTF_EVENT_CLASS_LOG_LEVEL_DEBUG_LINE:
196	case BT_CTF_EVENT_CLASS_LOG_LEVEL_DEBUG:
197	break;
198	default:
199	BT_LOGW("Invalid parameter: unknown event class log level: "
200	"addr=%p, name=\"%s\", id=%" PRId64 ", log-level=%d",
201	event_class, bt_ctf_event_class_common_get_name(event_class),
202	bt_ctf_event_class_common_get_id(event_class), log_level);
203	ret = -1;
204	goto end;
205	}
206
207	event_class->log_level = log_level;
208	BT_LOGV("Set event class's log level: "
209	"addr=%p, name=\"%s\", id=%" PRId64 ", log-level=%s",
210	event_class, bt_ctf_event_class_common_get_name(event_class),
211	bt_ctf_event_class_common_get_id(event_class),
212	bt_ctf_event_class_log_level_string(log_level));
213
214	end:
215	return ret;
216	}
217
218	static inline
219	const char *bt_ctf_event_class_common_get_emf_uri(
220	struct bt_ctf_event_class_common *event_class)
221	{
222	const char *emf_uri = NULL;
223
224	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
225
226	if (event_class->emf_uri->len > 0) {
227	emf_uri = event_class->emf_uri->str;
228	}
229
230	return emf_uri;
231	}
232
233	static inline
234	int bt_ctf_event_class_common_set_emf_uri(
235	struct bt_ctf_event_class_common *event_class,
236	const char *emf_uri)
237	{
238	int ret = 0;
239
240	if (!event_class) {
241	BT_LOGW_STR("Invalid parameter: event class is NULL.");
242	ret = -1;
243	goto end;
244	}
245
246	if (emf_uri && strlen(emf_uri) == 0) {
247	BT_LOGW_STR("Invalid parameter: EMF URI is empty.");
248	ret = -1;
249	goto end;
250	}
251
252	if (event_class->frozen) {
253	BT_LOGW("Invalid parameter: event class is frozen: "
254	"addr=%p, name=\"%s\", id=%" PRId64,
255	event_class, bt_ctf_event_class_common_get_name(event_class),
256	bt_ctf_event_class_common_get_id(event_class));
257	ret = -1;
258	goto end;
259	}
260
261	if (emf_uri) {
262	g_string_assign(event_class->emf_uri, emf_uri);
263	BT_LOGV("Set event class's EMF URI: "
264	"addr=%p, name=\"%s\", id=%" PRId64 ", emf-uri=\"%s\"",
265	event_class, bt_ctf_event_class_common_get_name(event_class),
266	bt_ctf_event_class_common_get_id(event_class), emf_uri);
267	} else {
268	g_string_assign(event_class->emf_uri, "");
269	BT_LOGV("Reset event class's EMF URI: "
270	"addr=%p, name=\"%s\", id=%" PRId64,
271	event_class, bt_ctf_event_class_common_get_name(event_class),
272	bt_ctf_event_class_common_get_id(event_class));
273	}
274
275	end:
276	return ret;
277	}
278
279	static inline
280	struct bt_ctf_field_type_common *bt_ctf_event_class_common_borrow_context_field_type(
281	struct bt_ctf_event_class_common *event_class)
282	{
283	struct bt_ctf_field_type_common *context_ft = NULL;
284
285	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
286
287	if (!event_class->context_field_type) {
288	BT_LOGV("Event class has no context field type: "
289	"addr=%p, name=\"%s\", id=%" PRId64,
290	event_class, bt_ctf_event_class_common_get_name(event_class),
291	bt_ctf_event_class_common_get_id(event_class));
292	goto end;
293	}
294
295	context_ft = event_class->context_field_type;
296
297	end:
298	return context_ft;
299	}
300
301	static inline
302	int bt_ctf_event_class_common_set_context_field_type(
303	struct bt_ctf_event_class_common *event_class,
304	struct bt_ctf_field_type_common *context_ft)
305	{
306	int ret = 0;
307
308	if (!event_class) {
309	BT_LOGW_STR("Invalid parameter: event class is NULL.");
310	ret = -1;
311	goto end;
312	}
313
314	if (event_class->frozen) {
315	BT_LOGW("Invalid parameter: event class is frozen: "
316	"addr=%p, name=\"%s\", id=%" PRId64,
317	event_class, bt_ctf_event_class_common_get_name(event_class),
318	bt_ctf_event_class_common_get_id(event_class));
319	ret = -1;
320	goto end;
321	}
322
323	if (context_ft && bt_ctf_field_type_common_get_type_id(context_ft) !=
324	BT_CTF_FIELD_TYPE_ID_STRUCT) {
325	BT_LOGW("Invalid parameter: event class's context field type must be a structure: "
326	"addr=%p, name=\"%s\", id=%" PRId64 ", "
327	"context-ft-id=%s",
328	event_class, bt_ctf_event_class_common_get_name(event_class),
329	bt_ctf_event_class_common_get_id(event_class),
330	bt_ctf_field_type_id_string(
331	bt_ctf_field_type_common_get_type_id(context_ft)));
332	ret = -1;
333	goto end;
334	}
335
65300d60 PP	336	bt_object_put_ref(event_class->context_field_type);
65300d60 PP	337	event_class->context_field_type = bt_object_get_ref(context_ft);
16ca5ff0 PP	338	BT_LOGV("Set event class's context field type: "
	339	"event-class-addr=%p, event-class-name=\"%s\", "
	340	"event-class-id=%" PRId64 ", context-ft-addr=%p",
	341	event_class, bt_ctf_event_class_common_get_name(event_class),
	342	bt_ctf_event_class_common_get_id(event_class), context_ft);
	343
	344	end:
	345	return ret;
	346	}
	347
	348	static inline
	349	struct bt_ctf_field_type_common *bt_ctf_event_class_common_borrow_payload_field_type(
	350	struct bt_ctf_event_class_common *event_class)
	351	{
	352	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
	353	return event_class->payload_field_type;
	354	}
	355
	356	static inline
	357	int bt_ctf_event_class_common_set_payload_field_type(
	358	struct bt_ctf_event_class_common *event_class,
	359	struct bt_ctf_field_type_common *payload_ft)
	360	{
	361	int ret = 0;
	362
	363	if (!event_class) {
	364	BT_LOGW_STR("Invalid parameter: event class is NULL.");
	365	ret = -1;
	366	goto end;
	367	}
	368
	369	if (payload_ft && bt_ctf_field_type_common_get_type_id(payload_ft) !=
	370	BT_CTF_FIELD_TYPE_ID_STRUCT) {
	371	BT_LOGW("Invalid parameter: event class's payload field type must be a structure: "
	372	"addr=%p, name=\"%s\", id=%" PRId64 ", "
	373	"payload-ft-addr=%p, payload-ft-id=%s",
	374	event_class, bt_ctf_event_class_common_get_name(event_class),
	375	bt_ctf_event_class_common_get_id(event_class), payload_ft,
	376	bt_ctf_field_type_id_string(
	377	bt_ctf_field_type_common_get_type_id(payload_ft)));
	378	ret = -1;
	379	goto end;
	380	}
	381
65300d60 PP	382	bt_object_put_ref(event_class->payload_field_type);
65300d60 PP	383	event_class->payload_field_type = bt_object_get_ref(payload_ft);
16ca5ff0 PP	384	BT_LOGV("Set event class's payload field type: "
	385	"event-class-addr=%p, event-class-name=\"%s\", "
	386	"event-class-id=%" PRId64 ", payload-ft-addr=%p",
	387	event_class, bt_ctf_event_class_common_get_name(event_class),
	388	bt_ctf_event_class_common_get_id(event_class), payload_ft);
	389	end:
	390	return ret;
	391	}
	392
	393	#endif /* BABELTRACE_CTF_WRITER_EVENT_CLASS_INTERNAL_H */