| /* |
| * 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 |