android_util_Log.cpp revision c9668a18055e56848d1aea51778eef06a4da39ad
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* //device/libs/android_runtime/android_util_Log.cpp 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Copyright 2006, The Android Open Source Project 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 58451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes** Licensed under the Apache License, Version 2.0 (the "License"); 68451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes** you may not use this file except in compliance with the License. 78451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes** You may obtain a copy of the License at 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 98451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes** http://www.apache.org/licenses/LICENSE-2.0 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 118451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes** Unless required by applicable law or agreed to in writing, software 128451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes** distributed under the License is distributed on an "AS IS" BASIS, 138451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 148451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes** See the License for the specific language governing permissions and 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** limitations under the License. 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project*/ 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LOG_NAMESPACE "log.tag." 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LOG_TAG "Log_println" 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 218413db8c36f4ba5979cdc2b1c3e1429e6ba34d6aAndreas Gampe#include <android-base/macros.h> 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <assert.h> 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <cutils/properties.h> 2452eb4e01a49fe2e94555c000de38bbcbbb13401bMark Salyzyn#include <log/log.h> // For LOGGER_ENTRY_MAX_PAYLOAD. 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Log.h> 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/String8.h> 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "jni.h" 298451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes#include "JNIHelp.h" 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "utils/misc.h" 31ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe#include "core_jni_helpers.h" 324b57553e693c9705e8363d3e0e9d881261b3e6faJeff Brown#include "android_util_Log.h" 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnamespace android { 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstruct levels_t { 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint verbose; 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint debug; 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint info; 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint warn; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint error; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint assert; 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic levels_t levels; 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 464b57553e693c9705e8363d3e0e9d881261b3e6faJeff Brownstatic jboolean isLoggable(const char* tag, jint level) { 47b761d048243e41889cbeb28256c07b3f649469bdMark Salyzyn return __android_log_is_loggable(level, tag, ANDROID_LOG_INFO); 484b57553e693c9705e8363d3e0e9d881261b3e6faJeff Brown} 494b57553e693c9705e8363d3e0e9d881261b3e6faJeff Brown 504b57553e693c9705e8363d3e0e9d881261b3e6faJeff Brownstatic jboolean android_util_Log_isLoggable(JNIEnv* env, jobject clazz, jstring tag, jint level) 514b57553e693c9705e8363d3e0e9d881261b3e6faJeff Brown{ 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tag == NULL) { 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 558451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* chars = env->GetStringUTFChars(tag, NULL); 574b57553e693c9705e8363d3e0e9d881261b3e6faJeff Brown if (!chars) { 584b57553e693c9705e8363d3e0e9d881261b3e6faJeff Brown return false; 594b57553e693c9705e8363d3e0e9d881261b3e6faJeff Brown } 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 61c9668a18055e56848d1aea51778eef06a4da39adMark Salyzyn jboolean result = isLoggable(chars, level); 628451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(tag, chars); 644b57553e693c9705e8363d3e0e9d881261b3e6faJeff Brown return result; 654b57553e693c9705e8363d3e0e9d881261b3e6faJeff Brown} 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 674b57553e693c9705e8363d3e0e9d881261b3e6faJeff Brownbool android_util_Log_isVerboseLogEnabled(const char* tag) { 684b57553e693c9705e8363d3e0e9d881261b3e6faJeff Brown return isLoggable(tag, levels.verbose); 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * In class android.util.Log: 7300bb93823d082c31d757bd7b75a8615afbd2c1a5Joe Onorato * public static native int println_native(int buffer, int priority, String tag, String msg) 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7500bb93823d082c31d757bd7b75a8615afbd2c1a5Joe Onoratostatic jint android_util_Log_println_native(JNIEnv* env, jobject clazz, 7600bb93823d082c31d757bd7b75a8615afbd2c1a5Joe Onorato jint bufID, jint priority, jstring tagObj, jstring msgObj) 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* tag = NULL; 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* msg = NULL; 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (msgObj == NULL) { 828451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes jniThrowNullPointerException(env, "println needs a message"); 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8600bb93823d082c31d757bd7b75a8615afbd2c1a5Joe Onorato if (bufID < 0 || bufID >= LOG_ID_MAX) { 878451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes jniThrowNullPointerException(env, "bad bufID"); 8800bb93823d082c31d757bd7b75a8615afbd2c1a5Joe Onorato return -1; 8900bb93823d082c31d757bd7b75a8615afbd2c1a5Joe Onorato } 9000bb93823d082c31d757bd7b75a8615afbd2c1a5Joe Onorato 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tagObj != NULL) 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tag = env->GetStringUTFChars(tagObj, NULL); 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project msg = env->GetStringUTFChars(msgObj, NULL); 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9500bb93823d082c31d757bd7b75a8615afbd2c1a5Joe Onorato int res = __android_log_buf_write(bufID, (android_LogPriority)priority, tag, msg); 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tag != NULL) 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(tagObj, tag); 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(msgObj, msg); 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return res; 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 1058413db8c36f4ba5979cdc2b1c3e1429e6ba34d6aAndreas Gampe * In class android.util.Log: 1068413db8c36f4ba5979cdc2b1c3e1429e6ba34d6aAndreas Gampe * private static native int logger_entry_max_payload_native() 1078413db8c36f4ba5979cdc2b1c3e1429e6ba34d6aAndreas Gampe */ 1088413db8c36f4ba5979cdc2b1c3e1429e6ba34d6aAndreas Gampestatic jint android_util_Log_logger_entry_max_payload_native(JNIEnv* env ATTRIBUTE_UNUSED, 1098413db8c36f4ba5979cdc2b1c3e1429e6ba34d6aAndreas Gampe jobject clazz ATTRIBUTE_UNUSED) 1108413db8c36f4ba5979cdc2b1c3e1429e6ba34d6aAndreas Gampe{ 1118413db8c36f4ba5979cdc2b1c3e1429e6ba34d6aAndreas Gampe return static_cast<jint>(LOGGER_ENTRY_MAX_PAYLOAD); 1128413db8c36f4ba5979cdc2b1c3e1429e6ba34d6aAndreas Gampe} 1138413db8c36f4ba5979cdc2b1c3e1429e6ba34d6aAndreas Gampe 1148413db8c36f4ba5979cdc2b1c3e1429e6ba34d6aAndreas Gampe/* 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * JNI registration. 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11776f6a86de25e1bf74717e047e55fd44b089673f3Daniel Micaystatic const JNINativeMethod gMethods[] = { 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* name, signature, funcPtr */ 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "isLoggable", "(Ljava/lang/String;I)Z", (void*) android_util_Log_isLoggable }, 12000bb93823d082c31d757bd7b75a8615afbd2c1a5Joe Onorato { "println_native", "(IILjava/lang/String;Ljava/lang/String;)I", (void*) android_util_Log_println_native }, 1218413db8c36f4ba5979cdc2b1c3e1429e6ba34d6aAndreas Gampe { "logger_entry_max_payload_native", "()I", (void*) android_util_Log_logger_entry_max_payload_native }, 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_util_Log(JNIEnv* env) 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 126ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe jclass clazz = FindClassOrDie(env, "android/util/Log"); 1278451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes 128ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe levels.verbose = env->GetStaticIntField(clazz, GetStaticFieldIDOrDie(env, clazz, "VERBOSE", "I")); 129ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe levels.debug = env->GetStaticIntField(clazz, GetStaticFieldIDOrDie(env, clazz, "DEBUG", "I")); 130ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe levels.info = env->GetStaticIntField(clazz, GetStaticFieldIDOrDie(env, clazz, "INFO", "I")); 131ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe levels.warn = env->GetStaticIntField(clazz, GetStaticFieldIDOrDie(env, clazz, "WARN", "I")); 132ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe levels.error = env->GetStaticIntField(clazz, GetStaticFieldIDOrDie(env, clazz, "ERROR", "I")); 133ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe levels.assert = env->GetStaticIntField(clazz, GetStaticFieldIDOrDie(env, clazz, "ASSERT", "I")); 1348451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes 135ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe return RegisterMethodsOrDie(env, "android/util/Log", gMethods, NELEM(gMethods)); 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; // namespace android 139