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