2 * Copyright (C) 2016 - EfficiOS Inc., Alexandre Montplaisir <alexmonthy@efficios.com>
3 * Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; only
8 * version 2.1 of the License.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 #include "org_lttng_ust_agent_jul_LttngJulApi.h"
22 #define TRACEPOINT_DEFINE
23 #define TRACEPOINT_CREATE_PROBES
24 #include "lttng_ust_jul.h"
25 #include "../common/lttng_ust_context.h"
28 * Deprecated function from before the context information was passed.
30 JNIEXPORT
void JNICALL
Java_org_lttng_ust_agent_jul_LttngJulApi_tracepoint(JNIEnv
*env
,
41 const char *msg_cstr
= (*env
)->GetStringUTFChars(env
, msg
, &iscopy
);
42 const char *logger_name_cstr
= (*env
)->GetStringUTFChars(env
, logger_name
, &iscopy
);
43 const char *class_name_cstr
= (*env
)->GetStringUTFChars(env
, class_name
, &iscopy
);
44 const char *method_name_cstr
= (*env
)->GetStringUTFChars(env
, method_name
, &iscopy
);
46 tracepoint(lttng_jul
, event
, msg_cstr
, logger_name_cstr
,
47 class_name_cstr
, method_name_cstr
, millis
, log_level
, thread_id
);
49 (*env
)->ReleaseStringUTFChars(env
, msg
, msg_cstr
);
50 (*env
)->ReleaseStringUTFChars(env
, logger_name
, logger_name_cstr
);
51 (*env
)->ReleaseStringUTFChars(env
, class_name
, class_name_cstr
);
52 (*env
)->ReleaseStringUTFChars(env
, method_name
, method_name_cstr
);
56 * Tracepoint used by Java applications using the JUL handler.
58 JNIEXPORT
void JNICALL
Java_org_lttng_ust_agent_jul_LttngJulApi_tracepointWithContext(JNIEnv
*env
,
67 jbyteArray context_info_entries
,
68 jbyteArray context_info_strings
)
71 const char *msg_cstr
= (*env
)->GetStringUTFChars(env
, msg
, &iscopy
);
72 const char *logger_name_cstr
= (*env
)->GetStringUTFChars(env
, logger_name
, &iscopy
);
73 const char *class_name_cstr
= (*env
)->GetStringUTFChars(env
, class_name
, &iscopy
);
74 const char *method_name_cstr
= (*env
)->GetStringUTFChars(env
, method_name
, &iscopy
);
75 signed char *context_info_entries_array
;
76 signed char *context_info_strings_array
;
79 * Write these to the TLS variables, so that the UST callbacks in
80 * lttng_ust_context.c can access them.
82 context_info_entries_array
= (*env
)->GetByteArrayElements(env
, context_info_entries
, &iscopy
);
83 lttng_ust_context_info_tls
.ctx_entries
= (struct lttng_ust_jni_ctx_entry
*) context_info_entries_array
;
84 lttng_ust_context_info_tls
.ctx_entries_len
= (*env
)->GetArrayLength(env
, context_info_entries
);
85 context_info_strings_array
= (*env
)->GetByteArrayElements(env
, context_info_strings
, &iscopy
);
86 lttng_ust_context_info_tls
.ctx_strings
= context_info_strings_array
;
87 lttng_ust_context_info_tls
.ctx_strings_len
= (*env
)->GetArrayLength(env
, context_info_strings
);
89 tracepoint(lttng_jul
, event
, msg_cstr
, logger_name_cstr
,
90 class_name_cstr
, method_name_cstr
, millis
, log_level
, thread_id
);
92 lttng_ust_context_info_tls
.ctx_entries
= NULL
;
93 lttng_ust_context_info_tls
.ctx_entries_len
= 0;
94 lttng_ust_context_info_tls
.ctx_strings
= NULL
;
95 lttng_ust_context_info_tls
.ctx_strings_len
= 0;
96 (*env
)->ReleaseStringUTFChars(env
, msg
, msg_cstr
);
97 (*env
)->ReleaseStringUTFChars(env
, logger_name
, logger_name_cstr
);
98 (*env
)->ReleaseStringUTFChars(env
, class_name
, class_name_cstr
);
99 (*env
)->ReleaseStringUTFChars(env
, method_name
, method_name_cstr
);
100 (*env
)->ReleaseByteArrayElements(env
, context_info_entries
, context_info_entries_array
, 0);
101 (*env
)->ReleaseByteArrayElements(env
, context_info_strings
, context_info_strings_array
, 0);