| 1 | /* |
| 2 | * SPDX-License-Identifier: LGPL-2.1-only |
| 3 | * |
| 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> |
| 7 | */ |
| 8 | |
| 9 | #define _LGPL_SOURCE |
| 10 | #include "org_lttng_ust_agent_jul_LttngJulApi.h" |
| 11 | |
| 12 | #define LTTNG_UST_TRACEPOINT_HIDDEN_DEFINITION |
| 13 | #define LTTNG_UST_TRACEPOINT_PROVIDER_HIDDEN_DEFINITION |
| 14 | |
| 15 | #define LTTNG_UST_TRACEPOINT_DEFINE |
| 16 | #define LTTNG_UST_TRACEPOINT_CREATE_PROBES |
| 17 | #include "lttng_ust_jul.h" |
| 18 | #include "../common/lttng_ust_context.h" |
| 19 | |
| 20 | /* |
| 21 | * Deprecated function from before the context information was passed. |
| 22 | */ |
| 23 | JNIEXPORT void JNICALL Java_org_lttng_ust_agent_jul_LttngJulApi_tracepoint(JNIEnv *env, |
| 24 | jobject jobj __attribute__((unused)), |
| 25 | jstring msg, |
| 26 | jstring logger_name, |
| 27 | jstring class_name, |
| 28 | jstring method_name, |
| 29 | jlong millis, |
| 30 | jint log_level, |
| 31 | jint thread_id) |
| 32 | { |
| 33 | jboolean iscopy; |
| 34 | const char *msg_cstr = (*env)->GetStringUTFChars(env, msg, &iscopy); |
| 35 | const char *logger_name_cstr = (*env)->GetStringUTFChars(env, logger_name, &iscopy); |
| 36 | const char *class_name_cstr = (*env)->GetStringUTFChars(env, class_name, &iscopy); |
| 37 | const char *method_name_cstr = (*env)->GetStringUTFChars(env, method_name, &iscopy); |
| 38 | |
| 39 | lttng_ust_tracepoint(lttng_jul, event, msg_cstr, logger_name_cstr, |
| 40 | class_name_cstr, method_name_cstr, millis, log_level, thread_id); |
| 41 | |
| 42 | (*env)->ReleaseStringUTFChars(env, msg, msg_cstr); |
| 43 | (*env)->ReleaseStringUTFChars(env, logger_name, logger_name_cstr); |
| 44 | (*env)->ReleaseStringUTFChars(env, class_name, class_name_cstr); |
| 45 | (*env)->ReleaseStringUTFChars(env, method_name, method_name_cstr); |
| 46 | } |
| 47 | |
| 48 | /* |
| 49 | * Tracepoint used by Java applications using the JUL handler. |
| 50 | */ |
| 51 | JNIEXPORT void JNICALL Java_org_lttng_ust_agent_jul_LttngJulApi_tracepointWithContext(JNIEnv *env, |
| 52 | jobject jobj __attribute__((unused)), |
| 53 | jstring msg, |
| 54 | jstring logger_name, |
| 55 | jstring class_name, |
| 56 | jstring method_name, |
| 57 | jlong millis, |
| 58 | jint log_level, |
| 59 | jint thread_id, |
| 60 | jbyteArray context_info_entries, |
| 61 | jbyteArray context_info_strings) |
| 62 | { |
| 63 | jboolean iscopy; |
| 64 | const char *msg_cstr = (*env)->GetStringUTFChars(env, msg, &iscopy); |
| 65 | const char *logger_name_cstr = (*env)->GetStringUTFChars(env, logger_name, &iscopy); |
| 66 | const char *class_name_cstr = (*env)->GetStringUTFChars(env, class_name, &iscopy); |
| 67 | const char *method_name_cstr = (*env)->GetStringUTFChars(env, method_name, &iscopy); |
| 68 | signed char *context_info_entries_array; |
| 69 | signed char *context_info_strings_array; |
| 70 | |
| 71 | /* |
| 72 | * Write these to the TLS variables, so that the UST callbacks in |
| 73 | * lttng_ust_context.c can access them. |
| 74 | */ |
| 75 | context_info_entries_array = (*env)->GetByteArrayElements(env, context_info_entries, &iscopy); |
| 76 | lttng_ust_context_info_tls.ctx_entries = (struct lttng_ust_jni_ctx_entry *) context_info_entries_array; |
| 77 | lttng_ust_context_info_tls.ctx_entries_len = (*env)->GetArrayLength(env, context_info_entries); |
| 78 | context_info_strings_array = (*env)->GetByteArrayElements(env, context_info_strings, &iscopy); |
| 79 | lttng_ust_context_info_tls.ctx_strings = context_info_strings_array; |
| 80 | lttng_ust_context_info_tls.ctx_strings_len = (*env)->GetArrayLength(env, context_info_strings); |
| 81 | |
| 82 | lttng_ust_tracepoint(lttng_jul, event, msg_cstr, logger_name_cstr, |
| 83 | class_name_cstr, method_name_cstr, millis, log_level, thread_id); |
| 84 | |
| 85 | lttng_ust_context_info_tls.ctx_entries = NULL; |
| 86 | lttng_ust_context_info_tls.ctx_entries_len = 0; |
| 87 | lttng_ust_context_info_tls.ctx_strings = NULL; |
| 88 | lttng_ust_context_info_tls.ctx_strings_len = 0; |
| 89 | (*env)->ReleaseStringUTFChars(env, msg, msg_cstr); |
| 90 | (*env)->ReleaseStringUTFChars(env, logger_name, logger_name_cstr); |
| 91 | (*env)->ReleaseStringUTFChars(env, class_name, class_name_cstr); |
| 92 | (*env)->ReleaseStringUTFChars(env, method_name, method_name_cstr); |
| 93 | (*env)->ReleaseByteArrayElements(env, context_info_entries, context_info_entries_array, 0); |
| 94 | (*env)->ReleaseByteArrayElements(env, context_info_strings, context_info_strings_array, 0); |
| 95 | } |