OW_IOIFCStreamBuffer.cpp

Go to the documentation of this file.
00001 /*******************************************************************************
00002 * Copyright (C) 2001-2004 Vintela, Inc. All rights reserved.
00003 *
00004 * Redistribution and use in source and binary forms, with or without
00005 * modification, are permitted provided that the following conditions are met:
00006 *
00007 *  - Redistributions of source code must retain the above copyright notice,
00008 *    this list of conditions and the following disclaimer.
00009 *
00010 *  - Redistributions in binary form must reproduce the above copyright notice,
00011 *    this list of conditions and the following disclaimer in the documentation
00012 *    and/or other materials provided with the distribution.
00013 *
00014 *  - Neither the name of Vintela, Inc. nor the names of its
00015 *    contributors may be used to endorse or promote products derived from this
00016 *    software without specific prior written permission.
00017 *
00018 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
00019 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00020 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00021 * ARE DISCLAIMED. IN NO EVENT SHALL Vintela, Inc. OR THE CONTRIBUTORS
00022 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00023 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00024 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00025 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00026 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00027 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00028 * POSSIBILITY OF SUCH DAMAGE.
00029 *******************************************************************************/
00030 
00036 #include "OW_config.h"
00037 #include "OW_IOIFCStreamBuffer.hpp"
00038 
00039 namespace OW_NAMESPACE
00040 {
00041 
00043 IOIFCStreamBuffer::IOIFCStreamBuffer(IOIFC* dev, int bufSize,
00044    const char* direction)
00045    : BaseStreamBuffer(bufSize, direction)
00046    , m_dev(dev)
00047 {
00048 }
00050 IOIFCStreamBuffer::~IOIFCStreamBuffer()
00051 {
00052    sync();
00053 }
00055 int
00056 IOIFCStreamBuffer::buffer_from_device(char* c, int n)
00057 {
00058    return m_dev->read(c,n);
00059 }
00061 int
00062 IOIFCStreamBuffer::buffer_to_device(const char* c, int n)
00063 {
00064    while (n > 0)
00065    {
00066       int cnt = m_dev->write(c, n);
00067       if (cnt == -1) // failure
00068       {
00069          return -1;
00070       }
00071       c += cnt;
00072       n -= cnt;
00073    }
00074    return 0;
00075 }
00076 
00078 void
00079 IOIFCStreamBuffer::reset()
00080 { 
00081    initBuffers(); 
00082 }
00083 
00084 } // end namespace OW_NAMESPACE
00085 

Generated on Thu Feb 9 08:48:01 2006 for openwbem by  doxygen 1.4.6