[lttng-ust.git] / src / lib / lttng-ust-java-agent / jni / log4j / lttng_ust_log4j.c

/*
 * SPDX-License-Identifier: LGPL-2.1-only
 *
 * Copyright (C) 2016 EfficiOS Inc.
 * Copyright (C) 2016 Alexandre Montplaisir <alexmonthy@efficios.com>
 * Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 */

#define _LGPL_SOURCE
#include "org_lttng_ust_agent_log4j_LttngLog4jApi.h"

#define LTTNG_UST_TRACEPOINT_HIDDEN_DEFINITION
#define LTTNG_UST_TRACEPOINT_PROVIDER_HIDDEN_DEFINITION

#define LTTNG_UST_TRACEPOINT_DEFINE
#define LTTNG_UST_TRACEPOINT_CREATE_PROBES
#include "lttng_ust_log4j.h"
#include "../common/lttng_ust_context.h"

/*
 * Deprecated function from before the context information was passed.
 */
JNIEXPORT void JNICALL Java_org_lttng_ust_agent_log4j_LttngLog4jApi_tracepoint(JNIEnv *env,
						jobject jobj __attribute__((unused)),
						jstring msg,
						jstring logger_name,
						jstring class_name,
						jstring method_name,
						jstring file_name,
						jint line_number,
						jlong timestamp,
						jint loglevel,
						jstring thread_name)
{
	jboolean iscopy;
	const char *msg_cstr = (*env)->GetStringUTFChars(env, msg, &iscopy);
	const char *logger_name_cstr = (*env)->GetStringUTFChars(env, logger_name, &iscopy);
	const char *class_name_cstr = (*env)->GetStringUTFChars(env, class_name, &iscopy);
	const char *method_name_cstr = (*env)->GetStringUTFChars(env, method_name, &iscopy);
	const char *file_name_cstr = (*env)->GetStringUTFChars(env, file_name, &iscopy);
	const char *thread_name_cstr = (*env)->GetStringUTFChars(env, thread_name, &iscopy);

	lttng_ust_tracepoint(lttng_log4j, event, msg_cstr, logger_name_cstr,
		   class_name_cstr, method_name_cstr, file_name_cstr,
		   line_number, timestamp, loglevel, thread_name_cstr);

	(*env)->ReleaseStringUTFChars(env, msg, msg_cstr);
	(*env)->ReleaseStringUTFChars(env, logger_name, logger_name_cstr);
	(*env)->ReleaseStringUTFChars(env, class_name, class_name_cstr);
	(*env)->ReleaseStringUTFChars(env, method_name, method_name_cstr);
	(*env)->ReleaseStringUTFChars(env, file_name, file_name_cstr);
	(*env)->ReleaseStringUTFChars(env, thread_name, thread_name_cstr);
}

/*
 * Tracepoint used by Java applications using the log4j handler.
 */
JNIEXPORT void JNICALL Java_org_lttng_ust_agent_log4j_LttngLog4jApi_tracepointWithContext(JNIEnv *env,
						jobject jobj __attribute__((unused)),
						jstring msg,
						jstring logger_name,
						jstring class_name,
						jstring method_name,
						jstring file_name,
						jint line_number,
						jlong timestamp,
						jint loglevel,
						jstring thread_name,
						jbyteArray context_info_entries,
						jbyteArray context_info_strings)
{
	jboolean iscopy;
	const char *msg_cstr = (*env)->GetStringUTFChars(env, msg, &iscopy);
	const char *logger_name_cstr = (*env)->GetStringUTFChars(env, logger_name, &iscopy);
	const char *class_name_cstr = (*env)->GetStringUTFChars(env, class_name, &iscopy);
	const char *method_name_cstr = (*env)->GetStringUTFChars(env, method_name, &iscopy);
	const char *file_name_cstr = (*env)->GetStringUTFChars(env, file_name, &iscopy);
	const char *thread_name_cstr = (*env)->GetStringUTFChars(env, thread_name, &iscopy);
	signed char *context_info_entries_array;
	signed char *context_info_strings_array;

	/*
	 * Write these to the TLS variables, so that the UST callbacks in
	 * lttng_ust_context.c can access them.
	 */
	context_info_entries_array = (*env)->GetByteArrayElements(env, context_info_entries, &iscopy);
	lttng_ust_context_info_tls.ctx_entries = (struct lttng_ust_jni_ctx_entry *) context_info_entries_array;
	lttng_ust_context_info_tls.ctx_entries_len = (*env)->GetArrayLength(env, context_info_entries);
	context_info_strings_array = (*env)->GetByteArrayElements(env, context_info_strings, &iscopy);
	lttng_ust_context_info_tls.ctx_strings = context_info_strings_array;
	lttng_ust_context_info_tls.ctx_strings_len = (*env)->GetArrayLength(env, context_info_strings);

	lttng_ust_tracepoint(lttng_log4j, event, msg_cstr, logger_name_cstr,
		   class_name_cstr, method_name_cstr, file_name_cstr,
		   line_number, timestamp, loglevel, thread_name_cstr);

	lttng_ust_context_info_tls.ctx_entries = NULL;
	lttng_ust_context_info_tls.ctx_entries_len = 0;
	lttng_ust_context_info_tls.ctx_strings = NULL;
	lttng_ust_context_info_tls.ctx_strings_len = 0;
	(*env)->ReleaseStringUTFChars(env, msg, msg_cstr);
	(*env)->ReleaseStringUTFChars(env, logger_name, logger_name_cstr);
	(*env)->ReleaseStringUTFChars(env, class_name, class_name_cstr);
	(*env)->ReleaseStringUTFChars(env, method_name, method_name_cstr);
	(*env)->ReleaseStringUTFChars(env, file_name, file_name_cstr);
	(*env)->ReleaseStringUTFChars(env, thread_name, thread_name_cstr);
	(*env)->ReleaseByteArrayElements(env, context_info_entries, context_info_entries_array, 0);
	(*env)->ReleaseByteArrayElements(env, context_info_strings, context_info_strings_array, 0);
}
Commit	Line	Data
43e5396b	1	/*
c0c0989a	2	* SPDX-License-Identifier: LGPL-2.1-only
43e5396b	3	*
c0c0989a MJ	4	* Copyright (C) 2016 EfficiOS Inc.
	5	* Copyright (C) 2016 Alexandre Montplaisir <alexmonthy@efficios.com>
	6	* Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
43e5396b DG	7	*/
43e5396b DG	8
1ddceb36	9	#define _LGPL_SOURCE
6e7bc9e0	10	#include "org_lttng_ust_agent_log4j_LttngLog4jApi.h"
43e5396b	11
6ba0c2b2 MD	12	#define LTTNG_UST_TRACEPOINT_HIDDEN_DEFINITION
	13	#define LTTNG_UST_TRACEPOINT_PROVIDER_HIDDEN_DEFINITION
	14
88c7c4ea	15	#define LTTNG_UST_TRACEPOINT_DEFINE
660323e6	16	#define LTTNG_UST_TRACEPOINT_CREATE_PROBES
501f6777	17	#include "lttng_ust_log4j.h"
8ab5c06b	18	#include "../common/lttng_ust_context.h"
43e5396b	19
9aabed2d	20	/*
8ab5c06b	21	* Deprecated function from before the context information was passed.
9aabed2d	22	*/
6e7bc9e0	23	JNIEXPORT void JNICALL Java_org_lttng_ust_agent_log4j_LttngLog4jApi_tracepoint(JNIEnv *env,
2208d8b5	24	jobject jobj __attribute__((unused)),
43e5396b DG	25	jstring msg,
	26	jstring logger_name,
	27	jstring class_name,
	28	jstring method_name,
501f6777 CB	29	jstring file_name,
	30	jint line_number,
	31	jlong timestamp,
	32	jint loglevel,
	33	jstring thread_name)
43e5396b DG	34	{
	35	jboolean iscopy;
	36	const char msg_cstr = (env)->GetStringUTFChars(env, msg, &iscopy);
	37	const char logger_name_cstr = (env)->GetStringUTFChars(env, logger_name, &iscopy);
	38	const char class_name_cstr = (env)->GetStringUTFChars(env, class_name, &iscopy);
	39	const char method_name_cstr = (env)->GetStringUTFChars(env, method_name, &iscopy);
501f6777 CB	40	const char file_name_cstr = (env)->GetStringUTFChars(env, file_name, &iscopy);
501f6777 CB	41	const char thread_name_cstr = (env)->GetStringUTFChars(env, thread_name, &iscopy);
43e5396b	42
cbc06a3b	43	lttng_ust_tracepoint(lttng_log4j, event, msg_cstr, logger_name_cstr,
501f6777 CB	44	class_name_cstr, method_name_cstr, file_name_cstr,
501f6777 CB	45	line_number, timestamp, loglevel, thread_name_cstr);
9aabed2d DG	46
	47	(*env)->ReleaseStringUTFChars(env, msg, msg_cstr);
	48	(*env)->ReleaseStringUTFChars(env, logger_name, logger_name_cstr);
	49	(*env)->ReleaseStringUTFChars(env, class_name, class_name_cstr);
	50	(*env)->ReleaseStringUTFChars(env, method_name, method_name_cstr);
501f6777 CB	51	(*env)->ReleaseStringUTFChars(env, file_name, file_name_cstr);
501f6777 CB	52	(*env)->ReleaseStringUTFChars(env, thread_name, thread_name_cstr);
9aabed2d DG	53	}
9aabed2d DG	54
8ab5c06b AM	55	/*
	56	* Tracepoint used by Java applications using the log4j handler.
	57	*/
	58	JNIEXPORT void JNICALL Java_org_lttng_ust_agent_log4j_LttngLog4jApi_tracepointWithContext(JNIEnv *env,
2208d8b5	59	jobject jobj __attribute__((unused)),
8ab5c06b AM	60	jstring msg,
	61	jstring logger_name,
	62	jstring class_name,
	63	jstring method_name,
	64	jstring file_name,
	65	jint line_number,
	66	jlong timestamp,
	67	jint loglevel,
	68	jstring thread_name,
b1ca4c5f AM	69	jbyteArray context_info_entries,
b1ca4c5f AM	70	jbyteArray context_info_strings)
8ab5c06b AM	71	{
	72	jboolean iscopy;
	73	const char msg_cstr = (env)->GetStringUTFChars(env, msg, &iscopy);
	74	const char logger_name_cstr = (env)->GetStringUTFChars(env, logger_name, &iscopy);
	75	const char class_name_cstr = (env)->GetStringUTFChars(env, class_name, &iscopy);
	76	const char method_name_cstr = (env)->GetStringUTFChars(env, method_name, &iscopy);
	77	const char file_name_cstr = (env)->GetStringUTFChars(env, file_name, &iscopy);
	78	const char thread_name_cstr = (env)->GetStringUTFChars(env, thread_name, &iscopy);
b1ca4c5f AM	79	signed char *context_info_entries_array;
b1ca4c5f AM	80	signed char *context_info_strings_array;
8ab5c06b AM	81
	82	/*
	83	* Write these to the TLS variables, so that the UST callbacks in
	84	* lttng_ust_context.c can access them.
	85	*/
b1ca4c5f AM	86	context_info_entries_array = (*env)->GetByteArrayElements(env, context_info_entries, &iscopy);
	87	lttng_ust_context_info_tls.ctx_entries = (struct lttng_ust_jni_ctx_entry *) context_info_entries_array;
	88	lttng_ust_context_info_tls.ctx_entries_len = (*env)->GetArrayLength(env, context_info_entries);
	89	context_info_strings_array = (*env)->GetByteArrayElements(env, context_info_strings, &iscopy);
	90	lttng_ust_context_info_tls.ctx_strings = context_info_strings_array;
	91	lttng_ust_context_info_tls.ctx_strings_len = (*env)->GetArrayLength(env, context_info_strings);
8ab5c06b	92
cbc06a3b	93	lttng_ust_tracepoint(lttng_log4j, event, msg_cstr, logger_name_cstr,
8ab5c06b AM	94	class_name_cstr, method_name_cstr, file_name_cstr,
	95	line_number, timestamp, loglevel, thread_name_cstr);
	96
b1ca4c5f AM	97	lttng_ust_context_info_tls.ctx_entries = NULL;
	98	lttng_ust_context_info_tls.ctx_entries_len = 0;
	99	lttng_ust_context_info_tls.ctx_strings = NULL;
	100	lttng_ust_context_info_tls.ctx_strings_len = 0;
8ab5c06b AM	101	(*env)->ReleaseStringUTFChars(env, msg, msg_cstr);
	102	(*env)->ReleaseStringUTFChars(env, logger_name, logger_name_cstr);
	103	(*env)->ReleaseStringUTFChars(env, class_name, class_name_cstr);
	104	(*env)->ReleaseStringUTFChars(env, method_name, method_name_cstr);
	105	(*env)->ReleaseStringUTFChars(env, file_name, file_name_cstr);
	106	(*env)->ReleaseStringUTFChars(env, thread_name, thread_name_cstr);
b1ca4c5f AM	107	(*env)->ReleaseByteArrayElements(env, context_info_entries, context_info_entries_array, 0);
b1ca4c5f AM	108	(*env)->ReleaseByteArrayElements(env, context_info_strings, context_info_strings_array, 0);
8ab5c06b	109	}