| /* |
| * Copyright (C) 2006 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. |
| */ |
| |
| #ifndef ANDROID_BUFFEREDTEXTOUTPUT_H |
| #define ANDROID_BUFFEREDTEXTOUTPUT_H |
| |
| #include <binder/TextOutput.h> |
| #include <utils/threads.h> |
| #include <sys/uio.h> |
| |
| // --------------------------------------------------------------------------- |
| namespace android { |
| |
| class BufferedTextOutput : public TextOutput |
| { |
| public: |
| //** Flags for constructor */ |
| enum { |
| MULTITHREADED = 0x0001 |
| }; |
| |
| BufferedTextOutput(uint32_t flags = 0); |
| virtual ~BufferedTextOutput(); |
| |
| virtual status_t print(const char* txt, size_t len); |
| virtual void moveIndent(int delta); |
| |
| virtual void pushBundle(); |
| virtual void popBundle(); |
| |
| protected: |
| virtual status_t writeLines(const struct iovec& vec, size_t N) = 0; |
| |
| private: |
| struct BufferState; |
| struct ThreadState; |
| |
| static ThreadState*getThreadState(); |
| static void threadDestructor(void *st); |
| |
| BufferState*getBuffer() const; |
| |
| uint32_t mFlags; |
| const int32_t mSeq; |
| const int32_t mIndex; |
| |
| Mutex mLock; |
| BufferState* mGlobalState; |
| }; |
| |
| // --------------------------------------------------------------------------- |
| }; // namespace android |
| |
| #endif // ANDROID_BUFFEREDTEXTOUTPUT_H |