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> 248413db8c36f4ba5979cdc2b1c3e1429e6ba34d6aAndreas Gampe#include <log/logger.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 614b57553e693c9705e8363d3e0e9d881261b3e6faJeff Brown jboolean result = false; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((strlen(chars)+sizeof(LOG_NAMESPACE)) > PROPERTY_KEY_MAX) { 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char buf2[200]; 64f5df700e6ce056ebfa322314d970e52d6facc35aAshok Bhat snprintf(buf2, sizeof(buf2), "Log tag \"%s\" exceeds limit of %zu characters\n", 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project chars, PROPERTY_KEY_MAX - sizeof(LOG_NAMESPACE)); 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 678451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes jniThrowException(env, "java/lang/IllegalArgumentException", buf2); 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 694b57553e693c9705e8363d3e0e9d881261b3e6faJeff Brown result = isLoggable(chars, level); 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 718451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(tag, chars); 734b57553e693c9705e8363d3e0e9d881261b3e6faJeff Brown return result; 744b57553e693c9705e8363d3e0e9d881261b3e6faJeff Brown} 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 764b57553e693c9705e8363d3e0e9d881261b3e6faJeff Brownbool android_util_Log_isVerboseLogEnabled(const char* tag) { 774b57553e693c9705e8363d3e0e9d881261b3e6faJeff Brown return isLoggable(tag, levels.verbose); 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * In class android.util.Log: 8200bb93823d082c31d757bd7b75a8615afbd2c1a5Joe Onorato * public static native int println_native(int buffer, int priority, String tag, String msg) 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8400bb93823d082c31d757bd7b75a8615afbd2c1a5Joe Onoratostatic jint android_util_Log_println_native(JNIEnv* env, jobject clazz, 8500bb93823d082c31d757bd7b75a8615afbd2c1a5Joe Onorato jint bufID, jint priority, jstring tagObj, jstring msgObj) 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* tag = NULL; 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* msg = NULL; 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (msgObj == NULL) { 918451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes jniThrowNullPointerException(env, "println needs a message"); 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9500bb93823d082c31d757bd7b75a8615afbd2c1a5Joe Onorato if (bufID < 0 || bufID >= LOG_ID_MAX) { 968451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes jniThrowNullPointerException(env, "bad bufID"); 9700bb93823d082c31d757bd7b75a8615afbd2c1a5Joe Onorato return -1; 9800bb93823d082c31d757bd7b75a8615afbd2c1a5Joe Onorato } 9900bb93823d082c31d757bd7b75a8615afbd2c1a5Joe Onorato 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tagObj != NULL) 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tag = env->GetStringUTFChars(tagObj, NULL); 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project msg = env->GetStringUTFChars(msgObj, NULL); 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10400bb93823d082c31d757bd7b75a8615afbd2c1a5Joe Onorato int res = __android_log_buf_write(bufID, (android_LogPriority)priority, tag, msg); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tag != NULL) 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(tagObj, tag); 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(msgObj, msg); 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return res; 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 1148413db8c36f4ba5979cdc2b1c3e1429e6ba34d6aAndreas Gampe * In class android.util.Log: 1158413db8c36f4ba5979cdc2b1c3e1429e6ba34d6aAndreas Gampe * private static native int logger_entry_max_payload_native() 1168413db8c36f4ba5979cdc2b1c3e1429e6ba34d6aAndreas Gampe */ 1178413db8c36f4ba5979cdc2b1c3e1429e6ba34d6aAndreas Gampestatic jint android_util_Log_logger_entry_max_payload_native(JNIEnv* env ATTRIBUTE_UNUSED, 1188413db8c36f4ba5979cdc2b1c3e1429e6ba34d6aAndreas Gampe jobject clazz ATTRIBUTE_UNUSED) 1198413db8c36f4ba5979cdc2b1c3e1429e6ba34d6aAndreas Gampe{ 1208413db8c36f4ba5979cdc2b1c3e1429e6ba34d6aAndreas Gampe return static_cast<jint>(LOGGER_ENTRY_MAX_PAYLOAD); 1218413db8c36f4ba5979cdc2b1c3e1429e6ba34d6aAndreas Gampe} 1228413db8c36f4ba5979cdc2b1c3e1429e6ba34d6aAndreas Gampe 1238413db8c36f4ba5979cdc2b1c3e1429e6ba34d6aAndreas Gampe/* 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * JNI registration. 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12676f6a86de25e1bf74717e047e55fd44b089673f3Daniel Micaystatic const JNINativeMethod gMethods[] = { 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* name, signature, funcPtr */ 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "isLoggable", "(Ljava/lang/String;I)Z", (void*) android_util_Log_isLoggable }, 12900bb93823d082c31d757bd7b75a8615afbd2c1a5Joe Onorato { "println_native", "(IILjava/lang/String;Ljava/lang/String;)I", (void*) android_util_Log_println_native }, 1308413db8c36f4ba5979cdc2b1c3e1429e6ba34d6aAndreas Gampe { "logger_entry_max_payload_native", "()I", (void*) android_util_Log_logger_entry_max_payload_native }, 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_util_Log(JNIEnv* env) 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 135ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe jclass clazz = FindClassOrDie(env, "android/util/Log"); 1368451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes 137ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe levels.verbose = env->GetStaticIntField(clazz, GetStaticFieldIDOrDie(env, clazz, "VERBOSE", "I")); 138ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe levels.debug = env->GetStaticIntField(clazz, GetStaticFieldIDOrDie(env, clazz, "DEBUG", "I")); 139ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe levels.info = env->GetStaticIntField(clazz, GetStaticFieldIDOrDie(env, clazz, "INFO", "I")); 140ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe levels.warn = env->GetStaticIntField(clazz, GetStaticFieldIDOrDie(env, clazz, "WARN", "I")); 141ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe levels.error = env->GetStaticIntField(clazz, GetStaticFieldIDOrDie(env, clazz, "ERROR", "I")); 142ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe levels.assert = env->GetStaticIntField(clazz, GetStaticFieldIDOrDie(env, clazz, "ASSERT", "I")); 1438451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes 144ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe return RegisterMethodsOrDie(env, "android/util/Log", gMethods, NELEM(gMethods)); 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; // namespace android 148