2 * SPDX-License-Identifier: LGPL-2.1-only
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>
10 #include "org_lttng_ust_agent_jul_LttngJulApi.h"
12 #define TRACEPOINT_DEFINE
13 #define TRACEPOINT_CREATE_PROBES
14 #include "lttng_ust_jul.h"
15 #include "../common/lttng_ust_context.h"
18 * Deprecated function from before the context information was passed.
20 JNIEXPORT
void JNICALL
Java_org_lttng_ust_agent_jul_LttngJulApi_tracepoint(JNIEnv
*env
,
21 jobject jobj
__attribute__((unused
)),
31 const char *msg_cstr
= (*env
)->GetStringUTFChars(env
, msg
, &iscopy
);
32 const char *logger_name_cstr
= (*env
)->GetStringUTFChars(env
, logger_name
, &iscopy
);
33 const char *class_name_cstr
= (*env
)->GetStringUTFChars(env
, class_name
, &iscopy
);
34 const char *method_name_cstr
= (*env
)->GetStringUTFChars(env
, method_name
, &iscopy
);
36 tracepoint(lttng_jul
, event
, msg_cstr
, logger_name_cstr
,
37 class_name_cstr
, method_name_cstr
, millis
, log_level
, thread_id
);
39 (*env
)->ReleaseStringUTFChars(env
, msg
, msg_cstr
);
40 (*env
)->ReleaseStringUTFChars(env
, logger_name
, logger_name_cstr
);
41 (*env
)->ReleaseStringUTFChars(env
, class_name
, class_name_cstr
);
42 (*env
)->ReleaseStringUTFChars(env
, method_name
, method_name_cstr
);
46 * Tracepoint used by Java applications using the JUL handler.
48 JNIEXPORT
void JNICALL
Java_org_lttng_ust_agent_jul_LttngJulApi_tracepointWithContext(JNIEnv
*env
,
49 jobject jobj
__attribute__((unused
)),
57 jbyteArray context_info_entries
,
58 jbyteArray context_info_strings
)
61 const char *msg_cstr
= (*env
)->GetStringUTFChars(env
, msg
, &iscopy
);
62 const char *logger_name_cstr
= (*env
)->GetStringUTFChars(env
, logger_name
, &iscopy
);
63 const char *class_name_cstr
= (*env
)->GetStringUTFChars(env
, class_name
, &iscopy
);
64 const char *method_name_cstr
= (*env
)->GetStringUTFChars(env
, method_name
, &iscopy
);
65 signed char *context_info_entries_array
;
66 signed char *context_info_strings_array
;
69 * Write these to the TLS variables, so that the UST callbacks in
70 * lttng_ust_context.c can access them.
72 context_info_entries_array
= (*env
)->GetByteArrayElements(env
, context_info_entries
, &iscopy
);
73 lttng_ust_context_info_tls
.ctx_entries
= (struct lttng_ust_jni_ctx_entry
*) context_info_entries_array
;
74 lttng_ust_context_info_tls
.ctx_entries_len
= (*env
)->GetArrayLength(env
, context_info_entries
);
75 context_info_strings_array
= (*env
)->GetByteArrayElements(env
, context_info_strings
, &iscopy
);
76 lttng_ust_context_info_tls
.ctx_strings
= context_info_strings_array
;
77 lttng_ust_context_info_tls
.ctx_strings_len
= (*env
)->GetArrayLength(env
, context_info_strings
);
79 tracepoint(lttng_jul
, event
, msg_cstr
, logger_name_cstr
,
80 class_name_cstr
, method_name_cstr
, millis
, log_level
, thread_id
);
82 lttng_ust_context_info_tls
.ctx_entries
= NULL
;
83 lttng_ust_context_info_tls
.ctx_entries_len
= 0;
84 lttng_ust_context_info_tls
.ctx_strings
= NULL
;
85 lttng_ust_context_info_tls
.ctx_strings_len
= 0;
86 (*env
)->ReleaseStringUTFChars(env
, msg
, msg_cstr
);
87 (*env
)->ReleaseStringUTFChars(env
, logger_name
, logger_name_cstr
);
88 (*env
)->ReleaseStringUTFChars(env
, class_name
, class_name_cstr
);
89 (*env
)->ReleaseStringUTFChars(env
, method_name
, method_name_cstr
);
90 (*env
)->ReleaseByteArrayElements(env
, context_info_entries
, context_info_entries_array
, 0);
91 (*env
)->ReleaseByteArrayElements(env
, context_info_strings
, context_info_strings_array
, 0);