| /* |
| * 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; |
| nestedLevel.dataPtr = userPayload; |
| *pLogBuffer = nestedLevel.data; |
| ++pLogBuffer; |
| |
| uint64_t timestampNanos = |
| chre::SystemTime::getMonotonicTime().toRawNanoseconds(); |
| memcpy(pLogBuffer, ×tampNanos, 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(reinterpret_cast<const char *>(logBuffer), |
| encodedMsgSize + kLogMessageHeaderSizeBytes); |
| } |
| #endif |