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/*
* 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
};
explicit 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
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