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/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <cstdio>
#include "chre/core/event_loop_manager.h"
#include "chre/platform/system_time.h"
#include "chre/util/nested_data_ptr.h"
#ifdef CHRE_USE_TOKENIZED_LOGGING
namespace {
static constexpr size_t kLogBufferSize = 60;
} // anonymous namespace
// The callback function that must be defined to handle an encoded
// tokenizer message.
void pw_TokenizerHandleEncodedMessageWithPayload(void *userPayload,
const uint8_t encodedMsg[],
size_t encodedMsgSize) {
// The header encoding here follows the message definition in the
// host_messages.fbs flatbuffers file.
uint8_t logBuffer[kLogBufferSize];
constexpr size_t kLogMessageHeaderSizeBytes = 1 + sizeof(uint64_t);
uint8_t *pLogBuffer = &logBuffer[0];
chre::NestedDataPtr<uint8_t> nestedLevel(userPayload);
*pLogBuffer = nestedLevel.data;
++pLogBuffer;
uint64_t timestampNanos =
chre::SystemTime::getMonotonicTime().toRawNanoseconds();
memcpy(pLogBuffer, &timestampNanos, sizeof(uint64_t));
pLogBuffer += sizeof(uint64_t);
memcpy(pLogBuffer, encodedMsg, encodedMsgSize);
// TODO (b/148873804): buffer log messages generated while the AP is asleep
auto &hostCommsMgr =
chre::EventLoopManagerSingleton::get()->getHostCommsManager();
hostCommsMgr.sendLogMessage(logBuffer,
encodedMsgSize + kLogMessageHeaderSizeBytes);
}
#endif