OZ++ Class: FileDescriptor |
/****************************************************************************** * * Copyright (c) 2015 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer. * * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * * FileDescriptor.h * *****************************************************************************/ #pragma once #include <oz++/CommonObject.h> #include <oz++/Exception.h> namespace OZ { class FileDescriptor :public CommonObject { private: int fd; public: FileDescriptor(int fd = INVALID_FD) :fd(fd) { } ~FileDescriptor() { close(); } void close() { if (fd != INVALID_FD) { ::close(fd); fd = INVALID_FD; } } int getFD() { return fd; } void setFD(int d) { if (d == INVALID_FD) { throw IException("Invalid argument"); } fd = d; } ssize_t read(void* buffer, size_t bsize) { if (buffer == NULL || bsize <=0) { throw IException("Invalid argument"); } return ::read(fd, buffer, bsize); } ssize_t write(void* buffer, size_t bsize) { return ::write(fd, buffer, bsize); } }; }