[lttng-tools.git] / src / common / event-rule / event-rule.c

/*
 * Copyright (C) 2019 Jonathan Rajotte
 * <jonathan.rajotte-julien@efficios.com>
 *
 * SPDX-License-Identifier: LGPL-2.1-only
 *
 */

#include <assert.h>
#include <common/error.h>
#include <common/macros.h>
#include <common/payload.h>
#include <common/payload-view.h>
#include <common/hashtable/hashtable.h>
#include <common/hashtable/utils.h>
#include <lttng/event-rule/event-rule-internal.h>
#include <lttng/event-rule/kernel-kprobe-internal.h>
#include <lttng/event-rule/kernel-syscall-internal.h>
#include <lttng/event-rule/log4j-logging-internal.h>
#include <lttng/event-rule/jul-logging-internal.h>
#include <lttng/event-rule/tracepoint-internal.h>
#include <lttng/event-rule/kernel-tracepoint-internal.h>
#include <lttng/event-rule/kernel-uprobe-internal.h>
#include <lttng/event-rule/user-tracepoint-internal.h>
#include <stdbool.h>

enum lttng_event_rule_type lttng_event_rule_get_type(
		const struct lttng_event_rule *event_rule)
{
	return event_rule ? event_rule->type : LTTNG_EVENT_RULE_TYPE_UNKNOWN;
}

LTTNG_HIDDEN
enum lttng_domain_type lttng_event_rule_get_domain_type(
		const struct lttng_event_rule *event_rule)
{
	enum lttng_domain_type domain_type = LTTNG_DOMAIN_NONE;

	switch (lttng_event_rule_get_type(event_rule)) {
	case LTTNG_EVENT_RULE_TYPE_TRACEPOINT:
	{
		enum lttng_event_rule_status status;
		status = lttng_event_rule_tracepoint_get_domain_type(event_rule, &domain_type);
		assert(status == LTTNG_EVENT_RULE_STATUS_OK);
		break;
	}
	case LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT:
		domain_type = LTTNG_DOMAIN_UST;
		break;
	case LTTNG_EVENT_RULE_TYPE_JUL_LOGGING:
		domain_type = LTTNG_DOMAIN_JUL;
		break;
	case LTTNG_EVENT_RULE_TYPE_LOG4J_LOGGING:
		domain_type = LTTNG_DOMAIN_LOG4J;
		break;
	case LTTNG_EVENT_RULE_TYPE_KERNEL_SYSCALL:
	case LTTNG_EVENT_RULE_TYPE_KERNEL_KPROBE:
	case LTTNG_EVENT_RULE_TYPE_KERNEL_FUNCTION:
	case LTTNG_EVENT_RULE_TYPE_KERNEL_UPROBE:
	case LTTNG_EVENT_RULE_TYPE_KERNEL_TRACEPOINT:
		domain_type = LTTNG_DOMAIN_KERNEL;
		break;
	case LTTNG_EVENT_RULE_TYPE_UNKNOWN:
		domain_type = LTTNG_DOMAIN_NONE;
		break;
	}

	return domain_type;
}

static void lttng_event_rule_release(struct urcu_ref *ref)
{
	struct lttng_event_rule *event_rule =
			container_of(ref, typeof(*event_rule), ref);

	assert(event_rule->destroy);
	event_rule->destroy(event_rule);
}

void lttng_event_rule_destroy(struct lttng_event_rule *event_rule)
{
	lttng_event_rule_put(event_rule);
}

LTTNG_HIDDEN
bool lttng_event_rule_validate(const struct lttng_event_rule *event_rule)
{
	bool valid;

	if (!event_rule) {
		valid = false;
		goto end;
	}

	if (!event_rule->validate) {
		/* Sub-class guarantees that it can never be invalid. */
		valid = true;
		goto end;
	}

	valid = event_rule->validate(event_rule);
end:
	return valid;
}

LTTNG_HIDDEN
int lttng_event_rule_serialize(const struct lttng_event_rule *event_rule,
		struct lttng_payload *payload)
{
	int ret;
	struct lttng_event_rule_comm event_rule_comm = {};

	if (!event_rule) {
		ret = -1;
		goto end;
	}

	event_rule_comm.event_rule_type = (int8_t) event_rule->type;

	ret = lttng_dynamic_buffer_append(
			&payload->buffer, &event_rule_comm, sizeof(event_rule_comm));
	if (ret) {
		goto end;
	}

	ret = event_rule->serialize(event_rule, payload);
	if (ret) {
		goto end;
	}
end:
	return ret;
}

LTTNG_HIDDEN
bool lttng_event_rule_is_equal(const struct lttng_event_rule *a,
		const struct lttng_event_rule *b)
{
	bool is_equal = false;

	if (!a || !b) {
		goto end;
	}

	if (a->type != b->type) {
		goto end;
	}

	if (a == b) {
		is_equal = true;
		goto end;
	}

	is_equal = a->equal ? a->equal(a, b) : true;
end:
	return is_equal;
}

LTTNG_HIDDEN
ssize_t lttng_event_rule_create_from_payload(
		struct lttng_payload_view *view,
		struct lttng_event_rule **event_rule)
{
	ssize_t ret, consumed = 0;
	event_rule_create_from_payload_cb create_from_payload = NULL;
	const struct lttng_event_rule_comm *event_rule_comm;
	const struct lttng_payload_view event_rule_comm_view =
			lttng_payload_view_from_view(
					view, 0, sizeof(*event_rule_comm));

	if (!view || !event_rule) {
		ret = -1;
		goto end;
	}

	if (!lttng_payload_view_is_valid(&event_rule_comm_view)) {
		ret = -1;
		goto end;
	}

	DBG("Deserializing event_rule from payload");
	event_rule_comm = (const struct lttng_event_rule_comm *) event_rule_comm_view.buffer.data;
	consumed += sizeof(*event_rule_comm);

	switch ((enum lttng_event_rule_type) event_rule_comm->event_rule_type) {
	case LTTNG_EVENT_RULE_TYPE_TRACEPOINT:
		create_from_payload =
				lttng_event_rule_tracepoint_create_from_payload;
		break;
	case LTTNG_EVENT_RULE_TYPE_KERNEL_KPROBE:
		create_from_payload = lttng_event_rule_kernel_kprobe_create_from_payload;
		break;
	case LTTNG_EVENT_RULE_TYPE_KERNEL_FUNCTION:
		/* TODO */
		break;
	case LTTNG_EVENT_RULE_TYPE_KERNEL_UPROBE:
		create_from_payload = lttng_event_rule_kernel_uprobe_create_from_payload;
		break;
	case LTTNG_EVENT_RULE_TYPE_KERNEL_SYSCALL:
		create_from_payload =
				lttng_event_rule_kernel_syscall_create_from_payload;
		break;
	case LTTNG_EVENT_RULE_TYPE_KERNEL_TRACEPOINT:
		create_from_payload =
				lttng_event_rule_kernel_tracepoint_create_from_payload;
		break;
	case LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT:
		create_from_payload =
				lttng_event_rule_user_tracepoint_create_from_payload;
		break;
	case LTTNG_EVENT_RULE_TYPE_JUL_LOGGING:
		create_from_payload =
				lttng_event_rule_jul_logging_create_from_payload;
		break;
	case LTTNG_EVENT_RULE_TYPE_LOG4J_LOGGING:
		create_from_payload =
				lttng_event_rule_log4j_logging_create_from_payload;
		break;
	default:
		ERR("Attempted to create event rule of unknown type (%i)",
				(int) event_rule_comm->event_rule_type);
		ret = -1;
		goto end;
	}

	assert(create_from_payload);

	{
		struct lttng_payload_view child_view =
				lttng_payload_view_from_view(
						view, consumed, -1);

		ret = create_from_payload(&child_view, event_rule);
		if (ret < 0) {
			goto end;
		}

		consumed += ret;
	}

	if (!lttng_event_rule_validate(*event_rule)) {
		ret = -1;
		goto end;
	}

	ret = consumed;
end:
	return ret;
}

LTTNG_HIDDEN
void lttng_event_rule_init(struct lttng_event_rule *event_rule,
		enum lttng_event_rule_type type)
{
	urcu_ref_init(&event_rule->ref);
	event_rule->type = type;
}

LTTNG_HIDDEN
bool lttng_event_rule_get(struct lttng_event_rule *event_rule)
{
	return urcu_ref_get_unless_zero(&event_rule->ref);
}

LTTNG_HIDDEN
void lttng_event_rule_put(struct lttng_event_rule *event_rule)
{
	if (!event_rule) {
		return;
	}

	assert(event_rule->ref.refcount);
	urcu_ref_put(&event_rule->ref, lttng_event_rule_release);
}

LTTNG_HIDDEN
enum lttng_error_code lttng_event_rule_generate_filter_bytecode(
		struct lttng_event_rule *rule,
		const struct lttng_credentials *creds)
{
	assert(rule->generate_filter_bytecode);
	return rule->generate_filter_bytecode(rule, creds);
}

LTTNG_HIDDEN
const char *lttng_event_rule_get_filter(const struct lttng_event_rule *rule)
{
	assert(rule->get_filter);
	return rule->get_filter(rule);
}

LTTNG_HIDDEN
const struct lttng_bytecode *lttng_event_rule_get_filter_bytecode(
		const struct lttng_event_rule *rule)
{
	assert(rule->get_filter_bytecode);
	return rule->get_filter_bytecode(rule);
}

LTTNG_HIDDEN
enum lttng_event_rule_generate_exclusions_status
lttng_event_rule_generate_exclusions(const struct lttng_event_rule *rule,
		struct lttng_event_exclusion **exclusions)
{
	assert(rule->generate_exclusions);
	return rule->generate_exclusions(rule, exclusions);
}

LTTNG_HIDDEN
struct lttng_event *lttng_event_rule_generate_lttng_event(
		const struct lttng_event_rule *rule)
{
	assert(rule->generate_lttng_event);
	return rule->generate_lttng_event(rule);
}

LTTNG_HIDDEN
bool lttng_event_rule_targets_agent_domain(const struct lttng_event_rule *rule)
{
	bool targets_agent_domain = false;
	enum lttng_domain_type type = lttng_event_rule_get_domain_type(rule);

	switch (type) {
	case LTTNG_DOMAIN_JUL:
	case LTTNG_DOMAIN_LOG4J:
	case LTTNG_DOMAIN_PYTHON:
		targets_agent_domain = true;
		break;
	case LTTNG_DOMAIN_UST:
	case LTTNG_DOMAIN_KERNEL:
		targets_agent_domain = false;
		break;
	default:
		abort();
	};

	return targets_agent_domain;
}

const char *lttng_event_rule_type_str(enum lttng_event_rule_type type)
{
	switch (type) {
	case LTTNG_EVENT_RULE_TYPE_UNKNOWN:
		return "unknown";
	case LTTNG_EVENT_RULE_TYPE_TRACEPOINT:
		return "tracepoint";
	case LTTNG_EVENT_RULE_TYPE_KERNEL_SYSCALL:
		return "kernel syscall";
	case LTTNG_EVENT_RULE_TYPE_KERNEL_KPROBE:
		return "kernel kprobe";
	case LTTNG_EVENT_RULE_TYPE_KERNEL_FUNCTION:
		return "function";
	case LTTNG_EVENT_RULE_TYPE_KERNEL_UPROBE:
		return "kernel uprobe";
	case LTTNG_EVENT_RULE_TYPE_KERNEL_TRACEPOINT:
		return "kernel tracepoint";
	case LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT:
		return "user tracepoint";
	case LTTNG_EVENT_RULE_TYPE_JUL_LOGGING:
		return "jul logging";
	case LTTNG_EVENT_RULE_TYPE_LOG4J_LOGGING:
		return "log4j logging";
	default:
		abort();
	}
}

LTTNG_HIDDEN
unsigned long lttng_event_rule_hash(const struct lttng_event_rule *rule)
{
	assert(rule->hash);
	return rule->hash(rule);
}
Commit	Line	Data
7a3dcaf6 JR	1	/*
	2	* Copyright (C) 2019 Jonathan Rajotte
	3	* <jonathan.rajotte-julien@efficios.com>
	4	*
	5	* SPDX-License-Identifier: LGPL-2.1-only
	6	*
	7	*/
	8
	9	#include <assert.h>
	10	#include <common/error.h>
	11	#include <common/macros.h>
	12	#include <common/payload.h>
	13	#include <common/payload-view.h>
959e3c66 JR	14	#include <common/hashtable/hashtable.h>
959e3c66 JR	15	#include <common/hashtable/utils.h>
7a3dcaf6	16	#include <lttng/event-rule/event-rule-internal.h>
85522de5	17	#include <lttng/event-rule/kernel-kprobe-internal.h>
4f7da553	18	#include <lttng/event-rule/kernel-syscall-internal.h>
138d6838	19	#include <lttng/event-rule/log4j-logging-internal.h>
b47b01d8	20	#include <lttng/event-rule/jul-logging-internal.h>
6d420eff	21	#include <lttng/event-rule/tracepoint-internal.h>
af0818ef	22	#include <lttng/event-rule/kernel-tracepoint-internal.h>
46fd07ac	23	#include <lttng/event-rule/kernel-uprobe-internal.h>
0a23a07d	24	#include <lttng/event-rule/user-tracepoint-internal.h>
7a3dcaf6 JR	25	#include <stdbool.h>
	26
	27	enum lttng_event_rule_type lttng_event_rule_get_type(
	28	const struct lttng_event_rule *event_rule)
	29	{
	30	return event_rule ? event_rule->type : LTTNG_EVENT_RULE_TYPE_UNKNOWN;
	31	}
	32
	33	LTTNG_HIDDEN
	34	enum lttng_domain_type lttng_event_rule_get_domain_type(
	35	const struct lttng_event_rule *event_rule)
	36	{
	37	enum lttng_domain_type domain_type = LTTNG_DOMAIN_NONE;
	38
	39	switch (lttng_event_rule_get_type(event_rule)) {
	40	case LTTNG_EVENT_RULE_TYPE_TRACEPOINT:
6d420eff JR	41	{
	42	enum lttng_event_rule_status status;
	43	status = lttng_event_rule_tracepoint_get_domain_type(event_rule, &domain_type);
	44	assert(status == LTTNG_EVENT_RULE_STATUS_OK);
7a3dcaf6	45	break;
6d420eff	46	}
0a23a07d JR	47	case LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT:
	48	domain_type = LTTNG_DOMAIN_UST;
	49	break;
b47b01d8 JR	50	case LTTNG_EVENT_RULE_TYPE_JUL_LOGGING:
	51	domain_type = LTTNG_DOMAIN_JUL;
	52	break;
138d6838 JR	53	case LTTNG_EVENT_RULE_TYPE_LOG4J_LOGGING:
	54	domain_type = LTTNG_DOMAIN_LOG4J;
	55	break;
4f7da553	56	case LTTNG_EVENT_RULE_TYPE_KERNEL_SYSCALL:
85522de5	57	case LTTNG_EVENT_RULE_TYPE_KERNEL_KPROBE:
f2d09181	58	case LTTNG_EVENT_RULE_TYPE_KERNEL_FUNCTION:
46fd07ac	59	case LTTNG_EVENT_RULE_TYPE_KERNEL_UPROBE:
af0818ef	60	case LTTNG_EVENT_RULE_TYPE_KERNEL_TRACEPOINT:
7a3dcaf6 JR	61	domain_type = LTTNG_DOMAIN_KERNEL;
	62	break;
	63	case LTTNG_EVENT_RULE_TYPE_UNKNOWN:
	64	domain_type = LTTNG_DOMAIN_NONE;
	65	break;
	66	}
	67
	68	return domain_type;
	69	}
	70
	71	static void lttng_event_rule_release(struct urcu_ref *ref)
	72	{
	73	struct lttng_event_rule *event_rule =
	74	container_of(ref, typeof(*event_rule), ref);
	75
	76	assert(event_rule->destroy);
	77	event_rule->destroy(event_rule);
	78	}
	79
	80	void lttng_event_rule_destroy(struct lttng_event_rule *event_rule)
	81	{
	82	lttng_event_rule_put(event_rule);
	83	}
	84
	85	LTTNG_HIDDEN
	86	bool lttng_event_rule_validate(const struct lttng_event_rule *event_rule)
	87	{
	88	bool valid;
	89
	90	if (!event_rule) {
	91	valid = false;
	92	goto end;
	93	}
	94
	95	if (!event_rule->validate) {
	96	/* Sub-class guarantees that it can never be invalid. */
	97	valid = true;
	98	goto end;
	99	}
	100
	101	valid = event_rule->validate(event_rule);
	102	end:
	103	return valid;
	104	}
	105
	106	LTTNG_HIDDEN
	107	int lttng_event_rule_serialize(const struct lttng_event_rule *event_rule,
	108	struct lttng_payload *payload)
	109	{
	110	int ret;
	111	struct lttng_event_rule_comm event_rule_comm = {};
	112
	113	if (!event_rule) {
	114	ret = -1;
	115	goto end;
	116	}
	117
	118	event_rule_comm.event_rule_type = (int8_t) event_rule->type;
	119
	120	ret = lttng_dynamic_buffer_append(
	121	&payload->buffer, &event_rule_comm, sizeof(event_rule_comm));
	122	if (ret) {
	123	goto end;
	124	}
125
126	ret = event_rule->serialize(event_rule, payload);
127	if (ret) {
128	goto end;
129	}
130	end:
131	return ret;
132	}
133
134	LTTNG_HIDDEN
135	bool lttng_event_rule_is_equal(const struct lttng_event_rule *a,
136	const struct lttng_event_rule *b)
137	{
138	bool is_equal = false;
139
140	if (!a \|\| !b) {
141	goto end;
142	}
143
144	if (a->type != b->type) {
145	goto end;
146	}
147
148	if (a == b) {
149	is_equal = true;
150	goto end;
151	}
152
153	is_equal = a->equal ? a->equal(a, b) : true;
154	end:
155	return is_equal;
156	}
157
158	LTTNG_HIDDEN
159	ssize_t lttng_event_rule_create_from_payload(
160	struct lttng_payload_view *view,
161	struct lttng_event_rule **event_rule)
162	{
163	ssize_t ret, consumed = 0;
7a3dcaf6	164	event_rule_create_from_payload_cb create_from_payload = NULL;
3e6e0df2 JG	165	const struct lttng_event_rule_comm *event_rule_comm;
	166	const struct lttng_payload_view event_rule_comm_view =
	167	lttng_payload_view_from_view(
	168	view, 0, sizeof(*event_rule_comm));
7a3dcaf6 JR	169
	170	if (!view \|\| !event_rule) {
	171	ret = -1;
	172	goto end;
	173	}
	174
3e6e0df2 JG	175	if (!lttng_payload_view_is_valid(&event_rule_comm_view)) {
	176	ret = -1;
	177	goto end;
	178	}
	179
683d081a	180	DBG("Deserializing event_rule from payload");
3e6e0df2	181	event_rule_comm = (const struct lttng_event_rule_comm *) event_rule_comm_view.buffer.data;
7a3dcaf6 JR	182	consumed += sizeof(*event_rule_comm);
	183
	184	switch ((enum lttng_event_rule_type) event_rule_comm->event_rule_type) {
	185	case LTTNG_EVENT_RULE_TYPE_TRACEPOINT:
6d420eff JR	186	create_from_payload =
6d420eff JR	187	lttng_event_rule_tracepoint_create_from_payload;
7a3dcaf6	188	break;
85522de5 JR	189	case LTTNG_EVENT_RULE_TYPE_KERNEL_KPROBE:
85522de5 JR	190	create_from_payload = lttng_event_rule_kernel_kprobe_create_from_payload;
7a3dcaf6	191	break;
f2d09181	192	case LTTNG_EVENT_RULE_TYPE_KERNEL_FUNCTION:
7a3dcaf6 JR	193	/* TODO */
7a3dcaf6 JR	194	break;
46fd07ac JR	195	case LTTNG_EVENT_RULE_TYPE_KERNEL_UPROBE:
46fd07ac JR	196	create_from_payload = lttng_event_rule_kernel_uprobe_create_from_payload;
7a3dcaf6	197	break;
4f7da553	198	case LTTNG_EVENT_RULE_TYPE_KERNEL_SYSCALL:
e6a39346	199	create_from_payload =
4f7da553	200	lttng_event_rule_kernel_syscall_create_from_payload;
7a3dcaf6	201	break;
af0818ef JR	202	case LTTNG_EVENT_RULE_TYPE_KERNEL_TRACEPOINT:
	203	create_from_payload =
	204	lttng_event_rule_kernel_tracepoint_create_from_payload;
	205	break;
0a23a07d JR	206	case LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT:
	207	create_from_payload =
	208	lttng_event_rule_user_tracepoint_create_from_payload;
	209	break;
b47b01d8 JR	210	case LTTNG_EVENT_RULE_TYPE_JUL_LOGGING:
	211	create_from_payload =
	212	lttng_event_rule_jul_logging_create_from_payload;
	213	break;
138d6838 JR	214	case LTTNG_EVENT_RULE_TYPE_LOG4J_LOGGING:
	215	create_from_payload =
	216	lttng_event_rule_log4j_logging_create_from_payload;
	217	break;
7a3dcaf6 JR	218	default:
	219	ERR("Attempted to create event rule of unknown type (%i)",
	220	(int) event_rule_comm->event_rule_type);
	221	ret = -1;
	222	goto end;
	223	}
	224
	225	assert(create_from_payload);
	226
	227	{
	228	struct lttng_payload_view child_view =
	229	lttng_payload_view_from_view(
	230	view, consumed, -1);
	231
	232	ret = create_from_payload(&child_view, event_rule);
	233	if (ret < 0) {
	234	goto end;
	235	}
	236
	237	consumed += ret;
	238	}
	239
	240	if (!lttng_event_rule_validate(*event_rule)) {
	241	ret = -1;
	242	goto end;
	243	}
	244
	245	ret = consumed;
	246	end:
	247	return ret;
	248	}
	249
	250	LTTNG_HIDDEN
	251	void lttng_event_rule_init(struct lttng_event_rule *event_rule,
	252	enum lttng_event_rule_type type)
	253	{
	254	urcu_ref_init(&event_rule->ref);
	255	event_rule->type = type;
	256	}
	257
	258	LTTNG_HIDDEN
	259	bool lttng_event_rule_get(struct lttng_event_rule *event_rule)
	260	{
	261	return urcu_ref_get_unless_zero(&event_rule->ref);
	262	}
	263
	264	LTTNG_HIDDEN
	265	void lttng_event_rule_put(struct lttng_event_rule *event_rule)
	266	{
	267	if (!event_rule) {
	268	return;
	269	}
	270
	271	assert(event_rule->ref.refcount);
	272	urcu_ref_put(&event_rule->ref, lttng_event_rule_release);
	273	}
	274
	275	LTTNG_HIDDEN
	276	enum lttng_error_code lttng_event_rule_generate_filter_bytecode(
58daac01 JR	277	struct lttng_event_rule *rule,
58daac01 JR	278	const struct lttng_credentials *creds)
7a3dcaf6 JR	279	{
7a3dcaf6 JR	280	assert(rule->generate_filter_bytecode);
58daac01	281	return rule->generate_filter_bytecode(rule, creds);
7a3dcaf6 JR	282	}
	283
	284	LTTNG_HIDDEN
	285	const char lttng_event_rule_get_filter(const struct lttng_event_rule rule)
	286	{
	287	assert(rule->get_filter);
	288	return rule->get_filter(rule);
	289	}
	290
	291	LTTNG_HIDDEN
2b00d462	292	const struct lttng_bytecode *lttng_event_rule_get_filter_bytecode(
7a3dcaf6 JR	293	const struct lttng_event_rule *rule)
	294	{
	295	assert(rule->get_filter_bytecode);
	296	return rule->get_filter_bytecode(rule);
	297	}
	298
	299	LTTNG_HIDDEN
993578ff JR	300	enum lttng_event_rule_generate_exclusions_status
	301	lttng_event_rule_generate_exclusions(const struct lttng_event_rule *rule,
	302	struct lttng_event_exclusion **exclusions)
7a3dcaf6 JR	303	{
7a3dcaf6 JR	304	assert(rule->generate_exclusions);
993578ff	305	return rule->generate_exclusions(rule, exclusions);
7a3dcaf6 JR	306	}
	307
	308	LTTNG_HIDDEN
44760c20 JR	309	struct lttng_event *lttng_event_rule_generate_lttng_event(
	310	const struct lttng_event_rule *rule)
	311	{
	312	assert(rule->generate_lttng_event);
	313	return rule->generate_lttng_event(rule);
	314	}
	315
	316	LTTNG_HIDDEN
	317	bool lttng_event_rule_targets_agent_domain(const struct lttng_event_rule *rule)
	318	{
	319	bool targets_agent_domain = false;
	320	enum lttng_domain_type type = lttng_event_rule_get_domain_type(rule);
	321
	322	switch (type) {
	323	case LTTNG_DOMAIN_JUL:
	324	case LTTNG_DOMAIN_LOG4J:
	325	case LTTNG_DOMAIN_PYTHON:
	326	targets_agent_domain = true;
	327	break;
	328	case LTTNG_DOMAIN_UST:
	329	case LTTNG_DOMAIN_KERNEL:
	330	targets_agent_domain = false;
	331	break;
	332	default:
	333	abort();
	334	};
	335
	336	return targets_agent_domain;
	337	}
	338
7a3dcaf6 JR	339	const char *lttng_event_rule_type_str(enum lttng_event_rule_type type)
	340	{
	341	switch (type) {
	342	case LTTNG_EVENT_RULE_TYPE_UNKNOWN:
	343	return "unknown";
	344	case LTTNG_EVENT_RULE_TYPE_TRACEPOINT:
	345	return "tracepoint";
4f7da553 JR	346	case LTTNG_EVENT_RULE_TYPE_KERNEL_SYSCALL:
4f7da553 JR	347	return "kernel syscall";
85522de5 JR	348	case LTTNG_EVENT_RULE_TYPE_KERNEL_KPROBE:
85522de5 JR	349	return "kernel kprobe";
f2d09181	350	case LTTNG_EVENT_RULE_TYPE_KERNEL_FUNCTION:
7a3dcaf6	351	return "function";
46fd07ac JR	352	case LTTNG_EVENT_RULE_TYPE_KERNEL_UPROBE:
46fd07ac JR	353	return "kernel uprobe";
af0818ef JR	354	case LTTNG_EVENT_RULE_TYPE_KERNEL_TRACEPOINT:
af0818ef JR	355	return "kernel tracepoint";
0a23a07d JR	356	case LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT:
0a23a07d JR	357	return "user tracepoint";
b47b01d8 JR	358	case LTTNG_EVENT_RULE_TYPE_JUL_LOGGING:
b47b01d8 JR	359	return "jul logging";
138d6838 JR	360	case LTTNG_EVENT_RULE_TYPE_LOG4J_LOGGING:
138d6838 JR	361	return "log4j logging";
7a3dcaf6 JR	362	default:
	363	abort();
	364	}
	365	}
959e3c66 JR	366
	367	LTTNG_HIDDEN
	368	unsigned long lttng_event_rule_hash(const struct lttng_event_rule *rule)
	369	{
	370	assert(rule->hash);
	371	return rule->hash(rule);
	372	}