111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten/* 211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten * Copyright (C) 2013 The Android Open Source Project 311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten * 411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten * Licensed under the Apache License, Version 2.0 (the "License"); 511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten * you may not use this file except in compliance with the License. 611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten * You may obtain a copy of the License at 711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten * 811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten * http://www.apache.org/licenses/LICENSE-2.0 911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten * 1011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten * Unless required by applicable law or agreed to in writing, software 1111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten * distributed under the License is distributed on an "AS IS" BASIS, 1211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten * See the License for the specific language governing permissions and 1411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten * limitations under the License. 1511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten */ 1611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 1711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten#define LOG_TAG "NBLog" 1811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten//#define LOG_NDEBUG 0 1911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 2011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten#include <stdarg.h> 2111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten#include <stdint.h> 2211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten#include <stdio.h> 2311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten#include <string.h> 2411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten#include <time.h> 2511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten#include <new> 2611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten#include <cutils/atomic.h> 2711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten#include <media/nbaio/NBLog.h> 2811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten#include <utils/Log.h> 2911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 3011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kastennamespace android { 3111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 3211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kastenint NBLog::Entry::readAt(size_t offset) const 3311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 3411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten // FIXME This is too slow, despite the name it is used during writing 3511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (offset == 0) 3611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten return mEvent; 3711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten else if (offset == 1) 3811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten return mLength; 3911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten else if (offset < (size_t) (mLength + 2)) 4011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten return ((char *) mData)[offset - 2]; 4111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten else if (offset == (size_t) (mLength + 2)) 4211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten return mLength; 4311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten else 4411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten return 0; 4511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 4611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 4711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten// --------------------------------------------------------------------------- 4811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 4911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten#if 0 // FIXME see note in NBLog.h 5011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn KastenNBLog::Timeline::Timeline(size_t size, void *shared) 5111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten : mSize(roundup(size)), mOwn(shared == NULL), 5211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten mShared((Shared *) (mOwn ? new char[sharedSize(size)] : shared)) 5311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 5411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten new (mShared) Shared; 5511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 5611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 5711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn KastenNBLog::Timeline::~Timeline() 5811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 5911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten mShared->~Shared(); 6011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (mOwn) { 6111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten delete[] (char *) mShared; 6211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 6311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 6411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten#endif 6511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 6611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten/*static*/ 6711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kastensize_t NBLog::Timeline::sharedSize(size_t size) 6811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 6911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten return sizeof(Shared) + roundup(size); 7011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 7111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 7211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten// --------------------------------------------------------------------------- 7311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 7411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn KastenNBLog::Writer::Writer() 7511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten : mSize(0), mShared(NULL), mRear(0), mEnabled(false) 7611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 7711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 7811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 7911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn KastenNBLog::Writer::Writer(size_t size, void *shared) 8011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten : mSize(roundup(size)), mShared((Shared *) shared), mRear(0), mEnabled(mShared != NULL) 8111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 8211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 8311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 8411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn KastenNBLog::Writer::Writer(size_t size, const sp<IMemory>& iMemory) 8511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten : mSize(roundup(size)), mShared(iMemory != 0 ? (Shared *) iMemory->pointer() : NULL), 8611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten mIMemory(iMemory), mRear(0), mEnabled(mShared != NULL) 8711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 8811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 8911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 9011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kastenvoid NBLog::Writer::log(const char *string) 9111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 9211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (!mEnabled) { 9311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten return; 9411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 9511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten size_t length = strlen(string); 9611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (length > 255) { 9711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten length = 255; 9811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 9911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten log(EVENT_STRING, string, length); 10011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 10111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 10211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kastenvoid NBLog::Writer::logf(const char *fmt, ...) 10311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 10411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (!mEnabled) { 10511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten return; 10611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 10711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten va_list ap; 10811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten va_start(ap, fmt); 10911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten Writer::logvf(fmt, ap); // the Writer:: is needed to avoid virtual dispatch for LockedWriter 11011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten va_end(ap); 11111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 11211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 11311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kastenvoid NBLog::Writer::logvf(const char *fmt, va_list ap) 11411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 11511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (!mEnabled) { 11611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten return; 11711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 11811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten char buffer[256]; 11911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten int length = vsnprintf(buffer, sizeof(buffer), fmt, ap); 12011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (length >= (int) sizeof(buffer)) { 12111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten length = sizeof(buffer) - 1; 12211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten // NUL termination is not required 12311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten // buffer[length] = '\0'; 12411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 12511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (length >= 0) { 12611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten log(EVENT_STRING, buffer, length); 12711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 12811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 12911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 13011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kastenvoid NBLog::Writer::logTimestamp() 13111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 13211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (!mEnabled) { 13311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten return; 13411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 13511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten struct timespec ts; 13611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (!clock_gettime(CLOCK_MONOTONIC, &ts)) { 13711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten log(EVENT_TIMESTAMP, &ts, sizeof(struct timespec)); 13811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 13911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 14011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 14111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kastenvoid NBLog::Writer::logTimestamp(const struct timespec& ts) 14211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 14311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (!mEnabled) { 14411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten return; 14511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 14611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten log(EVENT_TIMESTAMP, &ts, sizeof(struct timespec)); 14711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 14811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 14911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kastenvoid NBLog::Writer::log(Event event, const void *data, size_t length) 15011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 15111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (!mEnabled) { 15211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten return; 15311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 15411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (data == NULL || length > 255) { 15511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten return; 15611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 15711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten switch (event) { 15811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten case EVENT_STRING: 15911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten case EVENT_TIMESTAMP: 16011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten break; 16111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten case EVENT_RESERVED: 16211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten default: 16311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten return; 16411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 16511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten Entry entry(event, data, length); 16611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten log(&entry, true /*trusted*/); 16711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 16811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 16911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kastenvoid NBLog::Writer::log(const NBLog::Entry *entry, bool trusted) 17011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 17111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (!mEnabled) { 17211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten return; 17311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 17411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (!trusted) { 17511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten log(entry->mEvent, entry->mData, entry->mLength); 17611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten return; 17711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 17811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten size_t rear = mRear & (mSize - 1); 17911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten size_t written = mSize - rear; // written = number of bytes that have been written so far 18011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten size_t need = entry->mLength + 3; // mEvent, mLength, data[length], mLength 18111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten // need = number of bytes remaining to write 18211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (written > need) { 18311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten written = need; 18411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 18511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten size_t i; 18611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten // FIXME optimize this using memcpy for the data part of the Entry. 18711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten // The Entry could have a method copyTo(ptr, offset, size) to optimize the copy. 18811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten for (i = 0; i < written; ++i) { 18911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten mShared->mBuffer[rear + i] = entry->readAt(i); 19011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 19111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (rear + written == mSize && (need -= written) > 0) { 19211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten for (i = 0; i < need; ++i) { 19311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten mShared->mBuffer[i] = entry->readAt(written + i); 19411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 19511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten written += need; 19611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 19711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten android_atomic_release_store(mRear += written, &mShared->mRear); 19811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 19911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 20011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kastenbool NBLog::Writer::isEnabled() const 20111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 20211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten return mEnabled; 20311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 20411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 20511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kastenbool NBLog::Writer::setEnabled(bool enabled) 20611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 20711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten bool old = mEnabled; 20811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten mEnabled = enabled && mShared != NULL; 20911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten return old; 21011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 21111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 21211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten// --------------------------------------------------------------------------- 21311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 21411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn KastenNBLog::LockedWriter::LockedWriter() 21511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten : Writer() 21611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 21711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 21811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 21911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn KastenNBLog::LockedWriter::LockedWriter(size_t size, void *shared) 22011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten : Writer(size, shared) 22111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 22211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 22311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 22411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kastenvoid NBLog::LockedWriter::log(const char *string) 22511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 22611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten Mutex::Autolock _l(mLock); 22711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten Writer::log(string); 22811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 22911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 23011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kastenvoid NBLog::LockedWriter::logf(const char *fmt, ...) 23111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 23211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten // FIXME should not take the lock until after formatting is done 23311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten Mutex::Autolock _l(mLock); 23411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten va_list ap; 23511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten va_start(ap, fmt); 23611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten Writer::logvf(fmt, ap); 23711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten va_end(ap); 23811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 23911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 24011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kastenvoid NBLog::LockedWriter::logvf(const char *fmt, va_list ap) 24111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 24211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten // FIXME should not take the lock until after formatting is done 24311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten Mutex::Autolock _l(mLock); 24411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten Writer::logvf(fmt, ap); 24511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 24611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 24711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kastenvoid NBLog::LockedWriter::logTimestamp() 24811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 24911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten // FIXME should not take the lock until after the clock_gettime() syscall 25011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten Mutex::Autolock _l(mLock); 25111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten Writer::logTimestamp(); 25211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 25311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 25411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kastenvoid NBLog::LockedWriter::logTimestamp(const struct timespec& ts) 25511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 25611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten Mutex::Autolock _l(mLock); 25711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten Writer::logTimestamp(ts); 25811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 25911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 26011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kastenbool NBLog::LockedWriter::isEnabled() const 26111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 26211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten Mutex::Autolock _l(mLock); 26311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten return Writer::isEnabled(); 26411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 26511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 26611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kastenbool NBLog::LockedWriter::setEnabled(bool enabled) 26711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 26811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten Mutex::Autolock _l(mLock); 26911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten return Writer::setEnabled(enabled); 27011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 27111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 27211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten// --------------------------------------------------------------------------- 27311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 27411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn KastenNBLog::Reader::Reader(size_t size, const void *shared) 27511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten : mSize(roundup(size)), mShared((const Shared *) shared), mFront(0) 27611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 27711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 27811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 27911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn KastenNBLog::Reader::Reader(size_t size, const sp<IMemory>& iMemory) 28011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten : mSize(roundup(size)), mShared(iMemory != 0 ? (const Shared *) iMemory->pointer() : NULL), 28111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten mIMemory(iMemory), mFront(0) 28211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 28311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 28411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 28511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kastenvoid NBLog::Reader::dump(int fd, size_t indent) 28611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 28711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten int32_t rear = android_atomic_acquire_load(&mShared->mRear); 28811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten size_t avail = rear - mFront; 28911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (avail == 0) { 29011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten return; 29111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 29211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten size_t lost = 0; 29311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (avail > mSize) { 29411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten lost = avail - mSize; 29511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten mFront += lost; 29611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten avail = mSize; 29711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 29811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten size_t remaining = avail; // remaining = number of bytes left to read 29911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten size_t front = mFront & (mSize - 1); 30011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten size_t read = mSize - front; // read = number of bytes that have been read so far 30111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (read > remaining) { 30211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten read = remaining; 30311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 30411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten // make a copy to avoid race condition with writer 30511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten uint8_t *copy = new uint8_t[avail]; 30611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten // copy first part of circular buffer up until the wraparound point 30711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten memcpy(copy, &mShared->mBuffer[front], read); 30811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (front + read == mSize) { 30911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if ((remaining -= read) > 0) { 31011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten // copy second part of circular buffer starting at beginning 31111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten memcpy(©[read], mShared->mBuffer, remaining); 31211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten read += remaining; 31311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten // remaining = 0 but not necessary 31411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 31511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 31611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten mFront += read; 31711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten size_t i = avail; 31811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten Event event; 31911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten size_t length; 32011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten struct timespec ts; 32111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten time_t maxSec = -1; 32211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten while (i >= 3) { 32311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten length = copy[i - 1]; 32411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (length + 3 > i || copy[i - length - 2] != length) { 32511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten break; 32611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 32711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten event = (Event) copy[i - length - 3]; 32811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (event == EVENT_TIMESTAMP) { 32911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (length != sizeof(struct timespec)) { 33011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten // corrupt 33111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten break; 33211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 33311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten memcpy(&ts, ©[i - length - 1], sizeof(struct timespec)); 33411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (ts.tv_sec > maxSec) { 33511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten maxSec = ts.tv_sec; 33611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 33711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 33811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten i -= length + 3; 33911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 34011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (i > 0) { 34111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten lost += i; 34211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (fd >= 0) { 34311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten fdprintf(fd, "%*swarning: lost %u bytes worth of events\n", indent, "", lost); 34411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } else { 34511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten ALOGI("%*swarning: lost %u bytes worth of events\n", indent, "", lost); 34611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 34711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 34811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten size_t width = 1; 34911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten while (maxSec >= 10) { 35011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten ++width; 35111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten maxSec /= 10; 35211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 35311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten char prefix[32]; 35411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (maxSec >= 0) { 35511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten snprintf(prefix, sizeof(prefix), "[%*s] ", width + 4, ""); 35611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } else { 35711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten prefix[0] = '\0'; 35811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 35911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten while (i < avail) { 36011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten event = (Event) copy[i]; 36111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten length = copy[i + 1]; 36211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten const void *data = ©[i + 2]; 36311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten size_t advance = length + 3; 36411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten switch (event) { 36511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten case EVENT_STRING: 36611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (fd >= 0) { 36711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten fdprintf(fd, "%*s%s%.*s\n", indent, "", prefix, length, (const char *) data); 36811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } else { 36911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten ALOGI("%*s%s%.*s", indent, "", prefix, length, (const char *) data); 37011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } break; 37111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten case EVENT_TIMESTAMP: { 37211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten // already checked that length == sizeof(struct timespec); 37311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten memcpy(&ts, data, sizeof(struct timespec)); 37411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten long prevNsec = ts.tv_nsec; 37511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten long deltaMin = LONG_MAX; 37611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten long deltaMax = -1; 37711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten long deltaTotal = 0; 37811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten size_t j = i; 37911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten for (;;) { 38011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten j += sizeof(struct timespec) + 3; 38111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (j >= avail || (Event) copy[j] != EVENT_TIMESTAMP) { 38211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten break; 38311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 38411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten struct timespec tsNext; 38511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten memcpy(&tsNext, ©[j + 2], sizeof(struct timespec)); 38611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (tsNext.tv_sec != ts.tv_sec) { 38711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten break; 38811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 38911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten long delta = tsNext.tv_nsec - prevNsec; 39011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (delta < 0) { 39111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten break; 39211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 39311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (delta < deltaMin) { 39411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten deltaMin = delta; 39511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 39611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (delta > deltaMax) { 39711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten deltaMax = delta; 39811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 39911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten deltaTotal += delta; 40011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten prevNsec = tsNext.tv_nsec; 40111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 40211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten size_t n = (j - i) / (sizeof(struct timespec) + 3); 40311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (n >= kSquashTimestamp) { 40411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (fd >= 0) { 40511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten fdprintf(fd, "%*s[%d.%03d to .%.03d by .%.03d to .%.03d]\n", indent, "", 40611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten (int) ts.tv_sec, (int) (ts.tv_nsec / 1000000), 40711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten (int) ((ts.tv_nsec + deltaTotal) / 1000000), 40811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten (int) (deltaMin / 1000000), (int) (deltaMax / 1000000)); 40911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } else { 41011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten ALOGI("%*s[%d.%03d to .%.03d by .%.03d to .%.03d]\n", indent, "", 41111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten (int) ts.tv_sec, (int) (ts.tv_nsec / 1000000), 41211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten (int) ((ts.tv_nsec + deltaTotal) / 1000000), 41311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten (int) (deltaMin / 1000000), (int) (deltaMax / 1000000)); 41411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 41511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten i = j; 41611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten advance = 0; 41711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten break; 41811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 41911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (fd >= 0) { 42011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten fdprintf(fd, "%*s[%d.%03d]\n", indent, "", (int) ts.tv_sec, 42111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten (int) (ts.tv_nsec / 1000000)); 42211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } else { 42311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten ALOGI("%*s[%d.%03d]", indent, "", (int) ts.tv_sec, 42411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten (int) (ts.tv_nsec / 1000000)); 42511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 42611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } break; 42711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten case EVENT_RESERVED: 42811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten default: 42911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten if (fd >= 0) { 43011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten fdprintf(fd, "%*s%swarning: unknown event %d\n", indent, "", prefix, event); 43111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } else { 43211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten ALOGI("%*s%swarning: unknown event %d", indent, "", prefix, event); 43311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 43411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten break; 43511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 43611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten i += advance; 43711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten } 43811d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten // FIXME it would be more efficient to put a char mCopy[256] as a member variable of the dumper 43911d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten delete[] copy; 44011d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 44111d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 44211d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kastenbool NBLog::Reader::isIMemory(const sp<IMemory>& iMemory) const 44311d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten{ 44411d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten return iMemory.get() == mIMemory.get(); 44511d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} 44611d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten 44711d8dfcc063425ae7d59229f54b6752fd8987c10Glenn Kasten} // namespace android 448