| // Copyright 2019 The Crashpad Authors. All rights reserved. |
| // |
| // 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. |
| |
| #ifndef CRASHPAD_UTIL_STREAM_LOG_OUTPUT_STREAM_H_ |
| #define CRASHPAD_UTIL_STREAM_LOG_OUTPUT_STREAM_H_ |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include <memory> |
| #include <string> |
| |
| #include "base/macros.h" |
| #include "util/stream/output_stream_interface.h" |
| |
| namespace crashpad { |
| |
| //! \brief This class output the received data to Android log, NOP in other |
| //! platform. |
| //! |
| //! To avoid overflowing Android log, total 128k log data is allowed, after |
| //! that cap, the output is aborted. |
| class LogOutputStream : public OutputStreamInterface { |
| public: |
| LogOutputStream(); |
| ~LogOutputStream() override; |
| |
| // OutputStreamInterface: |
| bool Write(const uint8_t* data, size_t size) override; |
| bool Flush() override; |
| |
| void SetOutputStreamForTesting(std::unique_ptr<OutputStreamInterface> stream); |
| |
| private: |
| // Flush the |buffer_|, return false if kOutputCap meet. |
| bool WriteBuffer(); |
| bool WriteToLog(const char* buf); |
| |
| std::string buffer_; |
| size_t output_count_; |
| bool flush_needed_; |
| bool flushed_; |
| std::unique_ptr<OutputStreamInterface> output_stream_for_testing_; |
| |
| DISALLOW_COPY_AND_ASSIGN(LogOutputStream); |
| }; |
| |
| } // namespace crashpad |
| |
| #endif // CRASHPAD_UTIL_STREAM_LOG_OUTPUT_STREAM_H_ |