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
21 #include "org_lttng_ust_agent_jul_LttngJulApi.h"
23 #define TRACEPOINT_DEFINE
24 #define TRACEPOINT_CREATE_PROBES
25 #include "lttng_ust_jul.h"
26 #include "../common/lttng_ust_context.h"
29 * Deprecated function from before the context information was passed.
31 JNIEXPORT
void JNICALL
Java_org_lttng_ust_agent_jul_LttngJulApi_tracepoint(JNIEnv
*env
,
42 const char *msg_cstr
= (*env
)->GetStringUTFChars(env
, msg
, &iscopy
);
43 const char *logger_name_cstr
= (*env
)->GetStringUTFChars(env
, logger_name
, &iscopy
);
44 const char *class_name_cstr
= (*env
)->GetStringUTFChars(env
, class_name
, &iscopy
);
45 const char *method_name_cstr
= (*env
)->GetStringUTFChars(env
, method_name
, &iscopy
);
47 tracepoint(lttng_jul
, event
, msg_cstr
, logger_name_cstr
,
48 class_name_cstr
, method_name_cstr
, millis
, log_level
, thread_id
);
50 (*env
)->ReleaseStringUTFChars(env
, msg
, msg_cstr
);
51 (*env
)->ReleaseStringUTFChars(env
, logger_name
, logger_name_cstr
);
52 (*env
)->ReleaseStringUTFChars(env
, class_name
, class_name_cstr
);
53 (*env
)->ReleaseStringUTFChars(env
, method_name
, method_name_cstr
);
57 * Tracepoint used by Java applications using the JUL handler.
59 JNIEXPORT
void JNICALL
Java_org_lttng_ust_agent_jul_LttngJulApi_tracepointWithContext(JNIEnv
*env
,
68 jbyteArray context_info_entries
,
69 jbyteArray context_info_strings
)
72 const char *msg_cstr
= (*env
)->GetStringUTFChars(env
, msg
, &iscopy
);
73 const char *logger_name_cstr
= (*env
)->GetStringUTFChars(env
, logger_name
, &iscopy
);
74 const char *class_name_cstr
= (*env
)->GetStringUTFChars(env
, class_name
, &iscopy
);
75 const char *method_name_cstr
= (*env
)->GetStringUTFChars(env
, method_name
, &iscopy
);
76 signed char *context_info_entries_array
;
77 signed char *context_info_strings_array
;
80 * Write these to the TLS variables, so that the UST callbacks in
81 * lttng_ust_context.c can access them.
83 context_info_entries_array
= (*env
)->GetByteArrayElements(env
, context_info_entries
, &iscopy
);
84 lttng_ust_context_info_tls
.ctx_entries
= (struct lttng_ust_jni_ctx_entry
*) context_info_entries_array
;
85 lttng_ust_context_info_tls
.ctx_entries_len
= (*env
)->GetArrayLength(env
, context_info_entries
);
86 context_info_strings_array
= (*env
)->GetByteArrayElements(env
, context_info_strings
, &iscopy
);
87 lttng_ust_context_info_tls
.ctx_strings
= context_info_strings_array
;
88 lttng_ust_context_info_tls
.ctx_strings_len
= (*env
)->GetArrayLength(env
, context_info_strings
);
90 tracepoint(lttng_jul
, event
, msg_cstr
, logger_name_cstr
,
91 class_name_cstr
, method_name_cstr
, millis
, log_level
, thread_id
);
93 lttng_ust_context_info_tls
.ctx_entries
= NULL
;
94 lttng_ust_context_info_tls
.ctx_entries_len
= 0;
95 lttng_ust_context_info_tls
.ctx_strings
= NULL
;
96 lttng_ust_context_info_tls
.ctx_strings_len
= 0;
97 (*env
)->ReleaseStringUTFChars(env
, msg
, msg_cstr
);
98 (*env
)->ReleaseStringUTFChars(env
, logger_name
, logger_name_cstr
);
99 (*env
)->ReleaseStringUTFChars(env
, class_name
, class_name_cstr
);
100 (*env
)->ReleaseStringUTFChars(env
, method_name
, method_name_cstr
);
101 (*env
)->ReleaseByteArrayElements(env
, context_info_entries
, context_info_entries_array
, 0);
102 (*env
)->ReleaseByteArrayElements(env
, context_info_strings
, context_info_strings_array
, 0);