android_util_EventLog.cpp revision ca50cd2114f2c509ae2d1d06468e61f3cfc0b280
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 27933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn * Copyright (C) 2007-2014 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <fcntl.h> 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "JNIHelp.h" 20ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe#include "core_jni_helpers.h" 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "jni.h" 2244bc18664985e845a2299f20b6392d378fad8b4dColin Cross#include "log/logger.h" 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 243ed8e2e679668767dc90c35a3a8a24e9ebf0b940Mark Salyzyn#define UNUSED __attribute__((__unused__)) 253ed8e2e679668767dc90c35a3a8a24e9ebf0b940Mark Salyzyn 266916089e838662b41d902cd9a0d2560b04633ef9Dan Egnor// The size of the tag number comes out of the payload size. 276916089e838662b41d902cd9a0d2560b04633ef9Dan Egnor#define MAX_EVENT_PAYLOAD (LOGGER_ENTRY_MAX_PAYLOAD - sizeof(int32_t)) 286916089e838662b41d902cd9a0d2560b04633ef9Dan Egnor 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnamespace android { 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jclass gCollectionClass; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jmethodID gCollectionAddID; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jclass gEventClass; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jmethodID gEventInitID; 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jclass gIntegerClass; 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jfieldID gIntegerValueID; 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jclass gLongClass; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jfieldID gLongValueID; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jclass gStringClass; 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * In class android.util.EventLog: 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * static native int writeEvent(int tag, int value) 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 493ed8e2e679668767dc90c35a3a8a24e9ebf0b940Mark Salyzynstatic jint android_util_EventLog_writeEvent_Integer(JNIEnv* env UNUSED, 503ed8e2e679668767dc90c35a3a8a24e9ebf0b940Mark Salyzyn jobject clazz UNUSED, 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint tag, jint value) 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return android_btWriteLog(tag, EVENT_TYPE_INT, &value, sizeof(value)); 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * In class android.util.EventLog: 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * static native int writeEvent(long tag, long value) 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 603ed8e2e679668767dc90c35a3a8a24e9ebf0b940Mark Salyzynstatic jint android_util_EventLog_writeEvent_Long(JNIEnv* env UNUSED, 613ed8e2e679668767dc90c35a3a8a24e9ebf0b940Mark Salyzyn jobject clazz UNUSED, 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint tag, jlong value) 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return android_btWriteLog(tag, EVENT_TYPE_LONG, &value, sizeof(value)); 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * In class android.util.EventLog: 6962136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor * static native int writeEvent(int tag, String value) 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 713ed8e2e679668767dc90c35a3a8a24e9ebf0b940Mark Salyzynstatic jint android_util_EventLog_writeEvent_String(JNIEnv* env, 723ed8e2e679668767dc90c35a3a8a24e9ebf0b940Mark Salyzyn jobject clazz UNUSED, 7362136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor jint tag, jstring value) { 746916089e838662b41d902cd9a0d2560b04633ef9Dan Egnor uint8_t buf[MAX_EVENT_PAYLOAD]; 7562136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor 7662136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor // Don't throw NPE -- I feel like it's sort of mean for a logging function 7762136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor // to be all crashy if you pass in NULL -- but make the NULL value explicit. 7862136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor const char *str = value != NULL ? env->GetStringUTFChars(value, NULL) : "NULL"; 797353cf305e9bbb2c5968358d34ead9ca9df970b1Nick Kralevich uint32_t len = strlen(str); 807353cf305e9bbb2c5968358d34ead9ca9df970b1Nick Kralevich size_t max = sizeof(buf) - sizeof(len) - 2; // Type byte, final newline 8162136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor if (len > max) len = max; 8262136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor 8362136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor buf[0] = EVENT_TYPE_STRING; 8462136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor memcpy(&buf[1], &len, sizeof(len)); 8562136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor memcpy(&buf[1 + sizeof(len)], str, len); 8662136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor buf[1 + sizeof(len) + len] = '\n'; 8762136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor 8862136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor if (value != NULL) env->ReleaseStringUTFChars(value, str); 8962136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor return android_bWriteLog(tag, buf, 2 + sizeof(len) + len); 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * In class android.util.EventLog: 9462136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor * static native int writeEvent(long tag, Object... value) 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9662136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnorstatic jint android_util_EventLog_writeEvent_Array(JNIEnv* env, jobject clazz, 9762136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor jint tag, jobjectArray value) { 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value == NULL) { 9962136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor return android_util_EventLog_writeEvent_String(env, clazz, tag, NULL); 10062136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor } 10162136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor 1026916089e838662b41d902cd9a0d2560b04633ef9Dan Egnor uint8_t buf[MAX_EVENT_PAYLOAD]; 10362136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor const size_t max = sizeof(buf) - 1; // leave room for final newline 10462136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor size_t pos = 2; // Save room for type tag & array count 10562136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor 10662136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor jsize copied = 0, num = env->GetArrayLength(value); 1076916089e838662b41d902cd9a0d2560b04633ef9Dan Egnor for (; copied < num && copied < 255; ++copied) { 10862136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor jobject item = env->GetObjectArrayElement(value, copied); 10962136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor if (item == NULL || env->IsInstanceOf(item, gStringClass)) { 11062136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor if (pos + 1 + sizeof(jint) > max) break; 11162136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor const char *str = item != NULL ? env->GetStringUTFChars((jstring) item, NULL) : "NULL"; 11262136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor jint len = strlen(str); 11362136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor if (pos + 1 + sizeof(len) + len > max) len = max - pos - 1 - sizeof(len); 11462136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor buf[pos++] = EVENT_TYPE_STRING; 11562136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor memcpy(&buf[pos], &len, sizeof(len)); 11662136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor memcpy(&buf[pos + sizeof(len)], str, len); 11762136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor pos += sizeof(len) + len; 11862136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor if (item != NULL) env->ReleaseStringUTFChars((jstring) item, str); 11962136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor } else if (env->IsInstanceOf(item, gIntegerClass)) { 12062136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor jint intVal = env->GetIntField(item, gIntegerValueID); 12162136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor if (pos + 1 + sizeof(intVal) > max) break; 12262136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor buf[pos++] = EVENT_TYPE_INT; 12362136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor memcpy(&buf[pos], &intVal, sizeof(intVal)); 12462136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor pos += sizeof(intVal); 12562136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor } else if (env->IsInstanceOf(item, gLongClass)) { 12662136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor jlong longVal = env->GetLongField(item, gLongValueID); 12762136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor if (pos + 1 + sizeof(longVal) > max) break; 12862136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor buf[pos++] = EVENT_TYPE_LONG; 12962136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor memcpy(&buf[pos], &longVal, sizeof(longVal)); 13062136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor pos += sizeof(longVal); 13162136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor } else { 13262136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor jniThrowException(env, 13362136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor "java/lang/IllegalArgumentException", 13462136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor "Invalid payload item type"); 13562136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor return -1; 13662136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor } 13762136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor env->DeleteLocalRef(item); 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14062136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor buf[0] = EVENT_TYPE_LIST; 14162136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor buf[1] = copied; 14262136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor buf[pos++] = '\n'; 14362136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor return android_bWriteLog(tag, buf, pos); 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * In class android.util.EventLog: 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * static native void readEvents(int[] tags, Collection<Event> output) 14995ff2401a9c6f0252aeedfa27ba0a9a5f0d7f55eJim Miller * 1507933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn * Reads events from the event log 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1523ed8e2e679668767dc90c35a3a8a24e9ebf0b940Mark Salyzynstatic void android_util_EventLog_readEvents(JNIEnv* env, jobject clazz UNUSED, 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jintArray tags, 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject out) { 1557933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tags == NULL || out == NULL) { 15769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1617933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn struct logger_list *logger_list = android_logger_list_open( 16218998c985227a9e4affff9f0c4c591ff7d933cc9Mark Salyzyn LOG_ID_EVENTS, ANDROID_LOG_RDONLY | ANDROID_LOG_NONBLOCK, 0, 0); 1637933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn 1647933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn if (!logger_list) { 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowIOException(env, errno); 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize tagLength = env->GetArrayLength(tags); 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint *tagValues = env->GetIntArrayElements(tags, NULL); 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1727933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn while (1) { 1737933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn log_msg log_msg; 1747933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn int ret = android_logger_list_read(logger_list, &log_msg); 17578158db51029e7dbe160e60af0deb7594bec051dDan Egnor 1767933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn if (ret == 0) { 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 1787933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn } 1797933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn if (ret < 0) { 180b519aeca47a7b798926c00ce5c8cf730e26e75fdMark Salyzyn if (ret == -EINTR) { 1817933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn continue; 1827933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn } 183b519aeca47a7b798926c00ce5c8cf730e26e75fdMark Salyzyn if (ret == -EINVAL) { 1847933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn jniThrowException(env, "java/io/IOException", "Event too short"); 185b519aeca47a7b798926c00ce5c8cf730e26e75fdMark Salyzyn } else if (ret != -EAGAIN) { 186b519aeca47a7b798926c00ce5c8cf730e26e75fdMark Salyzyn jniThrowIOException(env, -ret); // Will throw on return 1877933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn } 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 191ca50cd2114f2c509ae2d1d06468e61f3cfc0b280Mark Salyzyn if (log_msg.id() != LOG_ID_EVENTS) { 192ca50cd2114f2c509ae2d1d06468e61f3cfc0b280Mark Salyzyn continue; 193ca50cd2114f2c509ae2d1d06468e61f3cfc0b280Mark Salyzyn } 194ca50cd2114f2c509ae2d1d06468e61f3cfc0b280Mark Salyzyn 1957933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn int32_t tag = * (int32_t *) log_msg.msg(); 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int found = 0; 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; !found && i < tagLength; ++i) { 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project found = (tag == tagValues[i]); 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (found) { 2037933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn jsize len = ret; 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyteArray array = env->NewByteArray(len); 2057933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn if (array == NULL) { 2067933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn break; 2077933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn } 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyte *bytes = env->GetByteArrayElements(array, NULL); 2107933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn memcpy(bytes, log_msg.buf, len); 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseByteArrayElements(array, bytes, 0); 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject event = env->NewObject(gEventClass, gEventInitID, array); 2147933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn if (event == NULL) { 2157933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn break; 2167933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn } 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->CallBooleanMethod(out, gCollectionAddID, event); 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->DeleteLocalRef(event); 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->DeleteLocalRef(array); 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2247933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn android_logger_list_close(logger_list); 2257933c2943f4a13b56944ad92e2194ed0020e5b04Mark Salyzyn 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(tags, tagValues, 0); 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22995ff2401a9c6f0252aeedfa27ba0a9a5f0d7f55eJim Miller/* 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * JNI registration. 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic JNINativeMethod gRegisterMethods[] = { 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* name, signature, funcPtr */ 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "writeEvent", "(II)I", (void*) android_util_EventLog_writeEvent_Integer }, 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "writeEvent", "(IJ)I", (void*) android_util_EventLog_writeEvent_Long }, 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "writeEvent", 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(ILjava/lang/String;)I", 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void*) android_util_EventLog_writeEvent_String 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }, 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "writeEvent", 24162136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor "(I[Ljava/lang/Object;)I", 24262136d3e1c1262fc31a1f77f6d6acbd75e5ea81dDan Egnor (void*) android_util_EventLog_writeEvent_Array 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }, 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "readEvents", 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "([ILjava/util/Collection;)V", 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void*) android_util_EventLog_readEvents 24795ff2401a9c6f0252aeedfa27ba0a9a5f0d7f55eJim Miller }, 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic struct { const char *name; jclass *clazz; } gClasses[] = { 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "android/util/EventLog$Event", &gEventClass }, 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "java/lang/Integer", &gIntegerClass }, 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "java/lang/Long", &gLongClass }, 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "java/lang/String", &gStringClass }, 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "java/util/Collection", &gCollectionClass }, 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic struct { jclass *c; const char *name, *ft; jfieldID *id; } gFields[] = { 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { &gIntegerClass, "value", "I", &gIntegerValueID }, 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { &gLongClass, "value", "J", &gLongValueID }, 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic struct { jclass *c; const char *name, *mt; jmethodID *id; } gMethods[] = { 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { &gEventClass, "<init>", "([B)V", &gEventInitID }, 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { &gCollectionClass, "add", "(Ljava/lang/Object;)Z", &gCollectionAddID }, 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_util_EventLog(JNIEnv* env) { 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < NELEM(gClasses); ++i) { 270ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe jclass clazz = FindClassOrDie(env, gClasses[i].name); 271ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe *gClasses[i].clazz = MakeGlobalRefOrDie(env, clazz); 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < NELEM(gFields); ++i) { 275ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe *gFields[i].id = GetFieldIDOrDie(env, 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *gFields[i].c, gFields[i].name, gFields[i].ft); 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < NELEM(gMethods); ++i) { 280ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe *gMethods[i].id = GetMethodIDOrDie(env, 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *gMethods[i].c, gMethods[i].name, gMethods[i].mt); 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 284ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe return RegisterMethodsOrDie( 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env, 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "android/util/EventLog", 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gRegisterMethods, NELEM(gRegisterMethods)); 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; // namespace android 291