[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/python-logging-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_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_PYTHON_LOGGING:
		domain_type = LTTNG_DOMAIN_PYTHON;
		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_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;
	case LTTNG_EVENT_RULE_TYPE_PYTHON_LOGGING:
		create_from_payload =
				lttng_event_rule_python_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_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";
	case LTTNG_EVENT_RULE_TYPE_PYTHON_LOGGING:
		return "python 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>
6530ec7d	21	#include <lttng/event-rule/python-logging-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)) {
0a23a07d JR	40	case LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT:
	41	domain_type = LTTNG_DOMAIN_UST;
	42	break;
b47b01d8 JR	43	case LTTNG_EVENT_RULE_TYPE_JUL_LOGGING:
	44	domain_type = LTTNG_DOMAIN_JUL;
	45	break;
138d6838 JR	46	case LTTNG_EVENT_RULE_TYPE_LOG4J_LOGGING:
	47	domain_type = LTTNG_DOMAIN_LOG4J;
	48	break;
6530ec7d JR	49	case LTTNG_EVENT_RULE_TYPE_PYTHON_LOGGING:
	50	domain_type = LTTNG_DOMAIN_PYTHON;
	51	break;
4f7da553	52	case LTTNG_EVENT_RULE_TYPE_KERNEL_SYSCALL:
85522de5	53	case LTTNG_EVENT_RULE_TYPE_KERNEL_KPROBE:
f2d09181	54	case LTTNG_EVENT_RULE_TYPE_KERNEL_FUNCTION:
46fd07ac	55	case LTTNG_EVENT_RULE_TYPE_KERNEL_UPROBE:
af0818ef	56	case LTTNG_EVENT_RULE_TYPE_KERNEL_TRACEPOINT:
7a3dcaf6 JR	57	domain_type = LTTNG_DOMAIN_KERNEL;
	58	break;
	59	case LTTNG_EVENT_RULE_TYPE_UNKNOWN:
	60	domain_type = LTTNG_DOMAIN_NONE;
	61	break;
	62	}
	63
	64	return domain_type;
	65	}
	66
	67	static void lttng_event_rule_release(struct urcu_ref *ref)
	68	{
	69	struct lttng_event_rule *event_rule =
	70	container_of(ref, typeof(*event_rule), ref);
	71
	72	assert(event_rule->destroy);
	73	event_rule->destroy(event_rule);
	74	}
	75
	76	void lttng_event_rule_destroy(struct lttng_event_rule *event_rule)
	77	{
	78	lttng_event_rule_put(event_rule);
	79	}
	80
	81	LTTNG_HIDDEN
	82	bool lttng_event_rule_validate(const struct lttng_event_rule *event_rule)
	83	{
	84	bool valid;
	85
	86	if (!event_rule) {
	87	valid = false;
	88	goto end;
	89	}
	90
	91	if (!event_rule->validate) {
	92	/* Sub-class guarantees that it can never be invalid. */
	93	valid = true;
	94	goto end;
	95	}
	96
	97	valid = event_rule->validate(event_rule);
	98	end:
	99	return valid;
	100	}
	101
	102	LTTNG_HIDDEN
	103	int lttng_event_rule_serialize(const struct lttng_event_rule *event_rule,
	104	struct lttng_payload *payload)
	105	{
	106	int ret;
	107	struct lttng_event_rule_comm event_rule_comm = {};
	108
	109	if (!event_rule) {
	110	ret = -1;
	111	goto end;
	112	}
	113
	114	event_rule_comm.event_rule_type = (int8_t) event_rule->type;
	115
	116	ret = lttng_dynamic_buffer_append(
	117	&payload->buffer, &event_rule_comm, sizeof(event_rule_comm));
	118	if (ret) {
	119	goto end;
	120	}
121
122	ret = event_rule->serialize(event_rule, payload);
123	if (ret) {
124	goto end;
125	}
126	end:
127	return ret;
128	}
129
130	LTTNG_HIDDEN
131	bool lttng_event_rule_is_equal(const struct lttng_event_rule *a,
132	const struct lttng_event_rule *b)
133	{
134	bool is_equal = false;
135
136	if (!a \|\| !b) {
137	goto end;
138	}
139
140	if (a->type != b->type) {
141	goto end;
142	}
143
144	if (a == b) {
145	is_equal = true;
146	goto end;
147	}
148
149	is_equal = a->equal ? a->equal(a, b) : true;
150	end:
151	return is_equal;
152	}
153
154	LTTNG_HIDDEN
155	ssize_t lttng_event_rule_create_from_payload(
156	struct lttng_payload_view *view,
157	struct lttng_event_rule **event_rule)
158	{
159	ssize_t ret, consumed = 0;
7a3dcaf6	160	event_rule_create_from_payload_cb create_from_payload = NULL;
3e6e0df2 JG	161	const struct lttng_event_rule_comm *event_rule_comm;
	162	const struct lttng_payload_view event_rule_comm_view =
	163	lttng_payload_view_from_view(
	164	view, 0, sizeof(*event_rule_comm));
7a3dcaf6 JR	165
	166	if (!view \|\| !event_rule) {
	167	ret = -1;
	168	goto end;
	169	}
	170
3e6e0df2 JG	171	if (!lttng_payload_view_is_valid(&event_rule_comm_view)) {
	172	ret = -1;
	173	goto end;
	174	}
	175
683d081a	176	DBG("Deserializing event_rule from payload");
3e6e0df2	177	event_rule_comm = (const struct lttng_event_rule_comm *) event_rule_comm_view.buffer.data;
7a3dcaf6 JR	178	consumed += sizeof(*event_rule_comm);
	179
	180	switch ((enum lttng_event_rule_type) event_rule_comm->event_rule_type) {
85522de5 JR	181	case LTTNG_EVENT_RULE_TYPE_KERNEL_KPROBE:
85522de5 JR	182	create_from_payload = lttng_event_rule_kernel_kprobe_create_from_payload;
7a3dcaf6	183	break;
f2d09181	184	case LTTNG_EVENT_RULE_TYPE_KERNEL_FUNCTION:
7a3dcaf6 JR	185	/* TODO */
7a3dcaf6 JR	186	break;
46fd07ac JR	187	case LTTNG_EVENT_RULE_TYPE_KERNEL_UPROBE:
46fd07ac JR	188	create_from_payload = lttng_event_rule_kernel_uprobe_create_from_payload;
7a3dcaf6	189	break;
4f7da553	190	case LTTNG_EVENT_RULE_TYPE_KERNEL_SYSCALL:
e6a39346	191	create_from_payload =
4f7da553	192	lttng_event_rule_kernel_syscall_create_from_payload;
7a3dcaf6	193	break;
af0818ef JR	194	case LTTNG_EVENT_RULE_TYPE_KERNEL_TRACEPOINT:
	195	create_from_payload =
	196	lttng_event_rule_kernel_tracepoint_create_from_payload;
	197	break;
0a23a07d JR	198	case LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT:
	199	create_from_payload =
	200	lttng_event_rule_user_tracepoint_create_from_payload;
	201	break;
b47b01d8 JR	202	case LTTNG_EVENT_RULE_TYPE_JUL_LOGGING:
	203	create_from_payload =
	204	lttng_event_rule_jul_logging_create_from_payload;
	205	break;
138d6838 JR	206	case LTTNG_EVENT_RULE_TYPE_LOG4J_LOGGING:
	207	create_from_payload =
	208	lttng_event_rule_log4j_logging_create_from_payload;
	209	break;
6530ec7d JR	210	case LTTNG_EVENT_RULE_TYPE_PYTHON_LOGGING:
	211	create_from_payload =
	212	lttng_event_rule_python_logging_create_from_payload;
	213	break;
7a3dcaf6 JR	214	default:
	215	ERR("Attempted to create event rule of unknown type (%i)",
	216	(int) event_rule_comm->event_rule_type);
	217	ret = -1;
	218	goto end;
	219	}
	220
	221	assert(create_from_payload);
	222
	223	{
	224	struct lttng_payload_view child_view =
	225	lttng_payload_view_from_view(
	226	view, consumed, -1);
	227
	228	ret = create_from_payload(&child_view, event_rule);
	229	if (ret < 0) {
	230	goto end;
	231	}
	232
	233	consumed += ret;
	234	}
	235
	236	if (!lttng_event_rule_validate(*event_rule)) {
	237	ret = -1;
	238	goto end;
	239	}
	240
	241	ret = consumed;
	242	end:
	243	return ret;
	244	}
	245
	246	LTTNG_HIDDEN
	247	void lttng_event_rule_init(struct lttng_event_rule *event_rule,
	248	enum lttng_event_rule_type type)
	249	{
	250	urcu_ref_init(&event_rule->ref);
	251	event_rule->type = type;
	252	}
	253
	254	LTTNG_HIDDEN
	255	bool lttng_event_rule_get(struct lttng_event_rule *event_rule)
	256	{
	257	return urcu_ref_get_unless_zero(&event_rule->ref);
	258	}
	259
	260	LTTNG_HIDDEN
	261	void lttng_event_rule_put(struct lttng_event_rule *event_rule)
	262	{
	263	if (!event_rule) {
	264	return;
	265	}
	266
	267	assert(event_rule->ref.refcount);
	268	urcu_ref_put(&event_rule->ref, lttng_event_rule_release);
	269	}
	270
	271	LTTNG_HIDDEN
	272	enum lttng_error_code lttng_event_rule_generate_filter_bytecode(
58daac01 JR	273	struct lttng_event_rule *rule,
58daac01 JR	274	const struct lttng_credentials *creds)
7a3dcaf6 JR	275	{
7a3dcaf6 JR	276	assert(rule->generate_filter_bytecode);
58daac01	277	return rule->generate_filter_bytecode(rule, creds);
7a3dcaf6 JR	278	}
	279
	280	LTTNG_HIDDEN
	281	const char lttng_event_rule_get_filter(const struct lttng_event_rule rule)
	282	{
	283	assert(rule->get_filter);
	284	return rule->get_filter(rule);
	285	}
	286
	287	LTTNG_HIDDEN
2b00d462	288	const struct lttng_bytecode *lttng_event_rule_get_filter_bytecode(
7a3dcaf6 JR	289	const struct lttng_event_rule *rule)
	290	{
	291	assert(rule->get_filter_bytecode);
	292	return rule->get_filter_bytecode(rule);
	293	}
	294
	295	LTTNG_HIDDEN
993578ff JR	296	enum lttng_event_rule_generate_exclusions_status
	297	lttng_event_rule_generate_exclusions(const struct lttng_event_rule *rule,
	298	struct lttng_event_exclusion **exclusions)
7a3dcaf6 JR	299	{
7a3dcaf6 JR	300	assert(rule->generate_exclusions);
993578ff	301	return rule->generate_exclusions(rule, exclusions);
7a3dcaf6 JR	302	}
	303
	304	LTTNG_HIDDEN
44760c20 JR	305	struct lttng_event *lttng_event_rule_generate_lttng_event(
	306	const struct lttng_event_rule *rule)
	307	{
	308	assert(rule->generate_lttng_event);
	309	return rule->generate_lttng_event(rule);
	310	}
	311
	312	LTTNG_HIDDEN
	313	bool lttng_event_rule_targets_agent_domain(const struct lttng_event_rule *rule)
	314	{
	315	bool targets_agent_domain = false;
	316	enum lttng_domain_type type = lttng_event_rule_get_domain_type(rule);
	317
	318	switch (type) {
	319	case LTTNG_DOMAIN_JUL:
	320	case LTTNG_DOMAIN_LOG4J:
	321	case LTTNG_DOMAIN_PYTHON:
	322	targets_agent_domain = true;
	323	break;
	324	case LTTNG_DOMAIN_UST:
	325	case LTTNG_DOMAIN_KERNEL:
	326	targets_agent_domain = false;
	327	break;
	328	default:
	329	abort();
	330	};
	331
	332	return targets_agent_domain;
	333	}
	334
7a3dcaf6 JR	335	const char *lttng_event_rule_type_str(enum lttng_event_rule_type type)
	336	{
	337	switch (type) {
	338	case LTTNG_EVENT_RULE_TYPE_UNKNOWN:
	339	return "unknown";
4f7da553 JR	340	case LTTNG_EVENT_RULE_TYPE_KERNEL_SYSCALL:
4f7da553 JR	341	return "kernel syscall";
85522de5 JR	342	case LTTNG_EVENT_RULE_TYPE_KERNEL_KPROBE:
85522de5 JR	343	return "kernel kprobe";
f2d09181	344	case LTTNG_EVENT_RULE_TYPE_KERNEL_FUNCTION:
7a3dcaf6	345	return "function";
46fd07ac JR	346	case LTTNG_EVENT_RULE_TYPE_KERNEL_UPROBE:
46fd07ac JR	347	return "kernel uprobe";
af0818ef JR	348	case LTTNG_EVENT_RULE_TYPE_KERNEL_TRACEPOINT:
af0818ef JR	349	return "kernel tracepoint";
0a23a07d JR	350	case LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT:
0a23a07d JR	351	return "user tracepoint";
b47b01d8 JR	352	case LTTNG_EVENT_RULE_TYPE_JUL_LOGGING:
b47b01d8 JR	353	return "jul logging";
138d6838 JR	354	case LTTNG_EVENT_RULE_TYPE_LOG4J_LOGGING:
138d6838 JR	355	return "log4j logging";
6530ec7d JR	356	case LTTNG_EVENT_RULE_TYPE_PYTHON_LOGGING:
	357	return "python logging";
	358
7a3dcaf6 JR	359	default:
	360	abort();
	361	}
	362	}
959e3c66 JR	363
	364	LTTNG_HIDDEN
	365	unsigned long lttng_event_rule_hash(const struct lttng_event_rule *rule)
	366	{
	367	assert(rule->hash);
	368	return rule->hash(rule);
	369	}