1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #ifndef __QEMU_PIPE_STREAM_H 17 #define __QEMU_PIPE_STREAM_H 18 19 /* This file implements an IOStream that uses a QEMU fast-pipe 20 * to communicate with the emulator's 'opengles' service. See 21 * <hardware/qemu_pipe.h> for more details. 22 */ 23 #include <stdlib.h> 24 #include "IOStream.h" 25 26 class QemuPipeStream : public IOStream { 27 public: 28 typedef enum { ERR_INVALID_SOCKET = -1000 } QemuPipeStreamError; 29 30 explicit QemuPipeStream(size_t bufsize = 10000); 31 ~QemuPipeStream(); 32 int connect(void); 33 34 virtual void *allocBuffer(size_t minSize); 35 virtual int commitBuffer(size_t size); 36 virtual const unsigned char *readFully( void *buf, size_t len); 37 virtual const unsigned char *read( void *buf, size_t *inout_len); 38 39 bool valid() { return m_sock >= 0; } 40 int recv(void *buf, size_t len); 41 42 virtual int writeFully(const void *buf, size_t len); 43 44 private: 45 int m_sock; 46 size_t m_bufsize; 47 unsigned char *m_buf; 48 QemuPipeStream(int sock, size_t bufSize); 49 }; 50 51 #endif 52
