The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* //device/libs/android_runtime/android_util_Log.cpp |
| 2 | ** |
| 3 | ** Copyright 2006, The Android Open Source Project |
| 4 | ** |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 5 | ** Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | ** you may not use this file except in compliance with the License. |
| 7 | ** You may obtain a copy of the License at |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 8 | ** |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 9 | ** http://www.apache.org/licenses/LICENSE-2.0 |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 10 | ** |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 11 | ** Unless required by applicable law or agreed to in writing, software |
| 12 | ** distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | ** See the License for the specific language governing permissions and |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 15 | ** limitations under the License. |
| 16 | */ |
| 17 | |
| 18 | #define LOG_NAMESPACE "log.tag." |
| 19 | #define LOG_TAG "Log_println" |
| 20 | |
Andreas Gampe | 8413db8 | 2015-12-14 13:54:51 -0800 | [diff] [blame] | 21 | #include <android-base/macros.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 22 | #include <assert.h> |
| 23 | #include <cutils/properties.h> |
Andreas Gampe | 8413db8 | 2015-12-14 13:54:51 -0800 | [diff] [blame] | 24 | #include <log/logger.h> // For LOGGER_ENTRY_MAX_PAYLOAD. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 25 | #include <utils/Log.h> |
| 26 | #include <utils/String8.h> |
| 27 | |
| 28 | #include "jni.h" |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 29 | #include "JNIHelp.h" |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 30 | #include "utils/misc.h" |
Andreas Gampe | ed6b9df | 2014-11-20 22:02:20 -0800 | [diff] [blame] | 31 | #include "core_jni_helpers.h" |
Jeff Brown | 4b57553 | 2012-01-20 12:34:34 -0800 | [diff] [blame] | 32 | #include "android_util_Log.h" |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 33 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 34 | namespace android { |
| 35 | |
| 36 | struct levels_t { |
| 37 | jint verbose; |
| 38 | jint debug; |
| 39 | jint info; |
| 40 | jint warn; |
| 41 | jint error; |
| 42 | jint assert; |
| 43 | }; |
| 44 | static levels_t levels; |
| 45 | |
Jeff Brown | 4b57553 | 2012-01-20 12:34:34 -0800 | [diff] [blame] | 46 | static jboolean isLoggable(const char* tag, jint level) { |
Mark Salyzyn | b761d04 | 2015-11-16 16:24:52 +0000 | [diff] [blame] | 47 | return __android_log_is_loggable(level, tag, ANDROID_LOG_INFO); |
Jeff Brown | 4b57553 | 2012-01-20 12:34:34 -0800 | [diff] [blame] | 48 | } |
| 49 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 50 | static jboolean android_util_Log_isLoggable(JNIEnv* env, jobject clazz, jstring tag, jint level) |
| 51 | { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 52 | if (tag == NULL) { |
| 53 | return false; |
| 54 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 55 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 56 | const char* chars = env->GetStringUTFChars(tag, NULL); |
Jeff Brown | 4b57553 | 2012-01-20 12:34:34 -0800 | [diff] [blame] | 57 | if (!chars) { |
| 58 | return false; |
| 59 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 60 | |
Jeff Brown | 4b57553 | 2012-01-20 12:34:34 -0800 | [diff] [blame] | 61 | jboolean result = false; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 62 | if ((strlen(chars)+sizeof(LOG_NAMESPACE)) > PROPERTY_KEY_MAX) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 63 | char buf2[200]; |
Ashok Bhat | f5df700 | 2014-03-25 20:51:35 +0000 | [diff] [blame] | 64 | snprintf(buf2, sizeof(buf2), "Log tag \"%s\" exceeds limit of %zu characters\n", |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 65 | chars, PROPERTY_KEY_MAX - sizeof(LOG_NAMESPACE)); |
| 66 | |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 67 | jniThrowException(env, "java/lang/IllegalArgumentException", buf2); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 68 | } else { |
Jeff Brown | 4b57553 | 2012-01-20 12:34:34 -0800 | [diff] [blame] | 69 | result = isLoggable(chars, level); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 70 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 71 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 72 | env->ReleaseStringUTFChars(tag, chars); |
Jeff Brown | 4b57553 | 2012-01-20 12:34:34 -0800 | [diff] [blame] | 73 | return result; |
| 74 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 75 | |
Jeff Brown | 4b57553 | 2012-01-20 12:34:34 -0800 | [diff] [blame] | 76 | bool android_util_Log_isVerboseLogEnabled(const char* tag) { |
| 77 | return isLoggable(tag, levels.verbose); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 78 | } |
| 79 | |
| 80 | /* |
| 81 | * In class android.util.Log: |
Joe Onorato | 00bb938 | 2010-02-26 18:07:01 -0800 | [diff] [blame] | 82 | * public static native int println_native(int buffer, int priority, String tag, String msg) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 83 | */ |
Joe Onorato | 00bb938 | 2010-02-26 18:07:01 -0800 | [diff] [blame] | 84 | static jint android_util_Log_println_native(JNIEnv* env, jobject clazz, |
| 85 | jint bufID, jint priority, jstring tagObj, jstring msgObj) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 86 | { |
| 87 | const char* tag = NULL; |
| 88 | const char* msg = NULL; |
| 89 | |
| 90 | if (msgObj == NULL) { |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 91 | jniThrowNullPointerException(env, "println needs a message"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 92 | return -1; |
| 93 | } |
| 94 | |
Joe Onorato | 00bb938 | 2010-02-26 18:07:01 -0800 | [diff] [blame] | 95 | if (bufID < 0 || bufID >= LOG_ID_MAX) { |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 96 | jniThrowNullPointerException(env, "bad bufID"); |
Joe Onorato | 00bb938 | 2010-02-26 18:07:01 -0800 | [diff] [blame] | 97 | return -1; |
| 98 | } |
| 99 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 100 | if (tagObj != NULL) |
| 101 | tag = env->GetStringUTFChars(tagObj, NULL); |
| 102 | msg = env->GetStringUTFChars(msgObj, NULL); |
| 103 | |
Joe Onorato | 00bb938 | 2010-02-26 18:07:01 -0800 | [diff] [blame] | 104 | int res = __android_log_buf_write(bufID, (android_LogPriority)priority, tag, msg); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 105 | |
| 106 | if (tag != NULL) |
| 107 | env->ReleaseStringUTFChars(tagObj, tag); |
| 108 | env->ReleaseStringUTFChars(msgObj, msg); |
| 109 | |
| 110 | return res; |
| 111 | } |
| 112 | |
| 113 | /* |
Andreas Gampe | 8413db8 | 2015-12-14 13:54:51 -0800 | [diff] [blame] | 114 | * In class android.util.Log: |
| 115 | * private static native int logger_entry_max_payload_native() |
| 116 | */ |
| 117 | static jint android_util_Log_logger_entry_max_payload_native(JNIEnv* env ATTRIBUTE_UNUSED, |
| 118 | jobject clazz ATTRIBUTE_UNUSED) |
| 119 | { |
| 120 | return static_cast<jint>(LOGGER_ENTRY_MAX_PAYLOAD); |
| 121 | } |
| 122 | |
| 123 | /* |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 124 | * JNI registration. |
| 125 | */ |
Daniel Micay | 76f6a86 | 2015-09-19 17:31:01 -0400 | [diff] [blame] | 126 | static const JNINativeMethod gMethods[] = { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 127 | /* name, signature, funcPtr */ |
| 128 | { "isLoggable", "(Ljava/lang/String;I)Z", (void*) android_util_Log_isLoggable }, |
Joe Onorato | 00bb938 | 2010-02-26 18:07:01 -0800 | [diff] [blame] | 129 | { "println_native", "(IILjava/lang/String;Ljava/lang/String;)I", (void*) android_util_Log_println_native }, |
Andreas Gampe | 8413db8 | 2015-12-14 13:54:51 -0800 | [diff] [blame] | 130 | { "logger_entry_max_payload_native", "()I", (void*) android_util_Log_logger_entry_max_payload_native }, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 131 | }; |
| 132 | |
| 133 | int register_android_util_Log(JNIEnv* env) |
| 134 | { |
Andreas Gampe | ed6b9df | 2014-11-20 22:02:20 -0800 | [diff] [blame] | 135 | jclass clazz = FindClassOrDie(env, "android/util/Log"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 136 | |
Andreas Gampe | ed6b9df | 2014-11-20 22:02:20 -0800 | [diff] [blame] | 137 | levels.verbose = env->GetStaticIntField(clazz, GetStaticFieldIDOrDie(env, clazz, "VERBOSE", "I")); |
| 138 | levels.debug = env->GetStaticIntField(clazz, GetStaticFieldIDOrDie(env, clazz, "DEBUG", "I")); |
| 139 | levels.info = env->GetStaticIntField(clazz, GetStaticFieldIDOrDie(env, clazz, "INFO", "I")); |
| 140 | levels.warn = env->GetStaticIntField(clazz, GetStaticFieldIDOrDie(env, clazz, "WARN", "I")); |
| 141 | levels.error = env->GetStaticIntField(clazz, GetStaticFieldIDOrDie(env, clazz, "ERROR", "I")); |
| 142 | levels.assert = env->GetStaticIntField(clazz, GetStaticFieldIDOrDie(env, clazz, "ASSERT", "I")); |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 143 | |
Andreas Gampe | ed6b9df | 2014-11-20 22:02:20 -0800 | [diff] [blame] | 144 | return RegisterMethodsOrDie(env, "android/util/Log", gMethods, NELEM(gMethods)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 145 | } |
| 146 | |
| 147 | }; // namespace android |