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_log4j_LttngLog4jApi.h"
12 #define TRACEPOINT_DEFINE
13 #define TRACEPOINT_CREATE_PROBES
14 #include "lttng_ust_log4j.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_log4j_LttngLog4jApi_tracepoint(JNIEnv
*env
,
33 const char *msg_cstr
= (*env
)->GetStringUTFChars(env
, msg
, &iscopy
);
34 const char *logger_name_cstr
= (*env
)->GetStringUTFChars(env
, logger_name
, &iscopy
);
35 const char *class_name_cstr
= (*env
)->GetStringUTFChars(env
, class_name
, &iscopy
);
36 const char *method_name_cstr
= (*env
)->GetStringUTFChars(env
, method_name
, &iscopy
);
37 const char *file_name_cstr
= (*env
)->GetStringUTFChars(env
, file_name
, &iscopy
);
38 const char *thread_name_cstr
= (*env
)->GetStringUTFChars(env
, thread_name
, &iscopy
);
40 tracepoint(lttng_log4j
, event
, msg_cstr
, logger_name_cstr
,
41 class_name_cstr
, method_name_cstr
, file_name_cstr
,
42 line_number
, timestamp
, loglevel
, thread_name_cstr
);
44 (*env
)->ReleaseStringUTFChars(env
, msg
, msg_cstr
);
45 (*env
)->ReleaseStringUTFChars(env
, logger_name
, logger_name_cstr
);
46 (*env
)->ReleaseStringUTFChars(env
, class_name
, class_name_cstr
);
47 (*env
)->ReleaseStringUTFChars(env
, method_name
, method_name_cstr
);
48 (*env
)->ReleaseStringUTFChars(env
, file_name
, file_name_cstr
);
49 (*env
)->ReleaseStringUTFChars(env
, thread_name
, thread_name_cstr
);
53 * Tracepoint used by Java applications using the log4j handler.
55 JNIEXPORT
void JNICALL
Java_org_lttng_ust_agent_log4j_LttngLog4jApi_tracepointWithContext(JNIEnv
*env
,
66 jbyteArray context_info_entries
,
67 jbyteArray context_info_strings
)
70 const char *msg_cstr
= (*env
)->GetStringUTFChars(env
, msg
, &iscopy
);
71 const char *logger_name_cstr
= (*env
)->GetStringUTFChars(env
, logger_name
, &iscopy
);
72 const char *class_name_cstr
= (*env
)->GetStringUTFChars(env
, class_name
, &iscopy
);
73 const char *method_name_cstr
= (*env
)->GetStringUTFChars(env
, method_name
, &iscopy
);
74 const char *file_name_cstr
= (*env
)->GetStringUTFChars(env
, file_name
, &iscopy
);
75 const char *thread_name_cstr
= (*env
)->GetStringUTFChars(env
, thread_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_log4j
, event
, msg_cstr
, logger_name_cstr
,
91 class_name_cstr
, method_name_cstr
, file_name_cstr
,
92 line_number
, timestamp
, loglevel
, thread_name_cstr
);
94 lttng_ust_context_info_tls
.ctx_entries
= NULL
;
95 lttng_ust_context_info_tls
.ctx_entries_len
= 0;
96 lttng_ust_context_info_tls
.ctx_strings
= NULL
;
97 lttng_ust_context_info_tls
.ctx_strings_len
= 0;
98 (*env
)->ReleaseStringUTFChars(env
, msg
, msg_cstr
);
99 (*env
)->ReleaseStringUTFChars(env
, logger_name
, logger_name_cstr
);
100 (*env
)->ReleaseStringUTFChars(env
, class_name
, class_name_cstr
);
101 (*env
)->ReleaseStringUTFChars(env
, method_name
, method_name_cstr
);
102 (*env
)->ReleaseStringUTFChars(env
, file_name
, file_name_cstr
);
103 (*env
)->ReleaseStringUTFChars(env
, thread_name
, thread_name_cstr
);
104 (*env
)->ReleaseByteArrayElements(env
, context_info_entries
, context_info_entries_array
, 0);
105 (*env
)->ReleaseByteArrayElements(env
, context_info_strings
, context_info_strings_array
, 0);