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/*
* Copyright (C) 2011 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 __QEMU_PIPE_STREAM_H
#define __QEMU_PIPE_STREAM_H
/* This file implements an IOStream that uses a QEMU fast-pipe
* to communicate with the emulator's 'opengles' service. See
* <hardware/qemu_pipe.h> for more details.
*/
#include <stdlib.h>
#include <memory>
#include "IOStream.h"
#include <qemu_pipe_bp.h>
#ifdef __Fuchsia__
#include <fidl/fuchsia.hardware.goldfish/cpp/wire.h>
#include <lib/zx/event.h>
#include <lib/zx/vmo.h>
#endif
class QemuPipeStream : public IOStream {
public:
typedef enum { ERR_INVALID_SOCKET = -1000 } QemuPipeStreamError;
explicit QemuPipeStream(size_t bufsize = 10000);
~QemuPipeStream();
int connect(void);
virtual void *allocBuffer(size_t minSize);
virtual int commitBuffer(size_t size);
virtual const unsigned char *readFully( void *buf, size_t len);
virtual const unsigned char *commitBufferAndReadFully(size_t size, void *buf, size_t len);
virtual const unsigned char *read( void *buf, size_t *inout_len);
bool valid() { return qemu_pipe_valid(m_sock); }
int recv(void *buf, size_t len);
virtual int writeFully(const void *buf, size_t len);
QEMU_PIPE_HANDLE getSocket() const;
private:
QEMU_PIPE_HANDLE m_sock;
size_t m_bufsize;
unsigned char *m_buf;
size_t m_read;
size_t m_readLeft;
#ifdef __Fuchsia__
std::unique_ptr<::fidl::WireSyncClient<fuchsia_hardware_goldfish::PipeDevice>>
m_device;
::fidl::WireSyncClient<fuchsia_hardware_goldfish::Pipe>
m_pipe;
zx::event m_event;
zx::vmo m_vmo;
#endif
QemuPipeStream(QEMU_PIPE_HANDLE sock, size_t bufSize);
};
#endif