/***************************************************************************************** *                                      SEU-3D *                     ------------------------------------------------- * Copyright (c) 2005, Yuan XU<xychn15@yahoo.com.cn>,Chang'e SHI<evelinesce@yahoo.com.cn> * Copyright (c) 2006, Yuan XU<xuyuan.cn@gmail.com>,Chunlu JIANG<JamAceWatermelon@gmail.com> * Southeast University ,China * All rights reserved. * * Additionally,this program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU Library General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ****************************************************************************************//* -*- Mode: c++ -*- *//* *Copyright: Copyright (C) 2002, 2003 Patrick Riley Copyright (C) 2001 Patrick Riley and Emil Talpes This file came from the SPADES simulation system. The SPADES simulation system is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. The SPADES simulation system is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the SPADES simulation system; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *EndCopyright:*//* this read buffer a file descriptor, notably allowing a read until a particular demlimeter */#ifndef READ_BUFF_FD_H_#define READ_BUFF_FD_H_#include <iostream>namespace spades{  class ReadBuffFD   {  public:    ReadBuffFD(int new_fd = -1);    ~ReadBuffFD();    void forgetFD();    int getFD() const { return fd; }    //Note this will close the current one!    void setNewFD(int new_fd);    bool close();      /* return       > 0: number of bytes read       0  : not enough available right now       -1 : fd is now invalid (errno will be set)	       Note that the delimiter is on the buf */    int readline(char* buf, int maxlen, char delim);    /* return       1:  data available       0  : not enough available right now       -1 : fd is now invalid (errno will be set) */    int isFixedLengthDataAvailable(int len);      /* return       len: succesfully read       0  : not enough available right now       -1 : fd is now invalid (errno will be set) */    int readFixedLength(char* buf, int len);    /* the first sizeof(int) bytes (in net byte order) say how long this       "message" is. The buffer may be reallocated to fill this. The four byte length       is *not* put into buf        return       >0 : amt successfully read       0: not enough data avilable       -1: fd is invalid, errno wil be set */    int readLengthPrefixed(char** pbuf, unsigned int* plen);    friend std::ostream& operator<<(std::ostream& o, const ReadBuffFD& f)    { o << "ReadBuffFD(fd="<<f.fd<<")"; return o; }    int getReadBufferLen() const { return read_buffer_len; }    bool addToReadBuffer(const char* b, int l);	  private:    void reallocReadBuffer(int new_len);        int fd;    /* the read_buffer can be resized on a fixed length read */    char* read_buffer;    int read_buffer_len;    int read_buffer_size; //the currently allocated length      static const int s_default_read_buffer_size;    };} //spades namespace#endif