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