X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=liblttng-ust-java-agent%2Fjni%2Fjul%2Flttng_ust_jul.c;h=62d820b2e3ed45466eeb330b19da1c2812ade159;hb=8ab5c06b92ac9a06ba2743470a38e4e1cfc6a3c9;hp=a0e893e5f2eca5d641b4b7251b8e29c4a4a2cd6a;hpb=1d193914f13dd604d60df9db680001c9a4af5f9d;p=lttng-ust.git diff --git a/liblttng-ust-java-agent/jni/jul/lttng_ust_jul.c b/liblttng-ust-java-agent/jni/jul/lttng_ust_jul.c index a0e893e5..62d820b2 100644 --- a/liblttng-ust-java-agent/jni/jul/lttng_ust_jul.c +++ b/liblttng-ust-java-agent/jni/jul/lttng_ust_jul.c @@ -1,4 +1,5 @@ /* + * Copyright (C) 2016 - EfficiOS Inc., Alexandre Montplaisir * Copyright (C) 2011-2012 Mathieu Desnoyers * * This library is free software; you can redistribute it and/or @@ -21,9 +22,10 @@ #define TRACEPOINT_DEFINE #define TRACEPOINT_CREATE_PROBES #include "lttng_ust_jul.h" +#include "../common/lttng_ust_context.h" /* - * Tracepoint used by Java applications using the JUL handler. + * Deprecated function from before the context information was passed. */ JNIEXPORT void JNICALL Java_org_lttng_ust_agent_jul_LttngJulApi_tracepoint(JNIEnv *env, jobject jobj, @@ -49,3 +51,44 @@ JNIEXPORT void JNICALL Java_org_lttng_ust_agent_jul_LttngJulApi_tracepoint(JNIEn (*env)->ReleaseStringUTFChars(env, class_name, class_name_cstr); (*env)->ReleaseStringUTFChars(env, method_name, method_name_cstr); } + +/* + * Tracepoint used by Java applications using the JUL handler. + */ +JNIEXPORT void JNICALL Java_org_lttng_ust_agent_jul_LttngJulApi_tracepointWithContext(JNIEnv *env, + jobject jobj, + jstring msg, + jstring logger_name, + jstring class_name, + jstring method_name, + jlong millis, + jint log_level, + jint thread_id, + 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); + 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_jul, event, msg_cstr, logger_name_cstr, + class_name_cstr, method_name_cstr, millis, log_level, thread_id); + + 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)->ReleaseByteArrayElements(env, context_info, context_info_array, 0); +}