+/*
+ * Tracepoint used by Java applications using the log4j handler.
+ */
+JNIEXPORT void JNICALL Java_org_lttng_ust_agent_log4j_LttngLog4jApi_tracepointWithContext(JNIEnv *env,
+ jobject jobj,
+ 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)
+{
+ 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_array;
+
+ /*
+ * Write these to the TLS variables, so that the UST callbacks in
+ * lttng_ust_context.c can access them.
+ */
+ context_info_array = (*env)->GetByteArrayElements(env, context_info, &iscopy);
+ lttng_ust_context_info_tls.ctx = (struct lttng_ust_jni_ctx *) context_info_array;
+ lttng_ust_context_info_tls.len = (*env)->GetArrayLength(env, context_info);
+
+ 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 = NULL;
+ lttng_ust_context_info_tls.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, context_info_array, 0);
+}