00001 /******************************************************************************* 00002 * Copyright (C) 2004 Vintela, Inc. All rights reserved. 00003 * Copyright (C) 2005 Novell, Inc. All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions are met: 00007 * 00008 * - Redistributions of source code must retain the above copyright notice, 00009 * this list of conditions and the following disclaimer. 00010 * 00011 * - Redistributions in binary form must reproduce the above copyright notice, 00012 * this list of conditions and the following disclaimer in the documentation 00013 * and/or other materials provided with the distribution. 00014 * 00015 * - Neither the name of Vintela, Inc., Novell, Inc., nor the names of its 00016 * contributors may be used to endorse or promote products derived from this 00017 * software without specific prior written permission. 00018 * 00019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' 00020 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00021 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00022 * ARE DISCLAIMED. IN NO EVENT SHALL Vintela, Inc., Novell, Inc., OR THE 00023 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00024 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00025 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 00026 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 00027 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 00028 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 00029 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00030 *******************************************************************************/ 00031 00032 00038 #include "blocxx/BLOCXX_config.h" 00039 #include "blocxx/IOIFCStreamBuffer.hpp" 00040 00041 namespace BLOCXX_NAMESPACE 00042 { 00043 00045 IOIFCStreamBuffer::IOIFCStreamBuffer(IOIFC* dev, int bufSize, 00046 const char* direction) 00047 : BaseStreamBuffer(bufSize, direction) 00048 , m_dev(dev) 00049 { 00050 } 00052 IOIFCStreamBuffer::~IOIFCStreamBuffer() 00053 { 00054 sync(); 00055 } 00057 int 00058 IOIFCStreamBuffer::buffer_from_device(char* c, int n) 00059 { 00060 return m_dev->read(c,n); 00061 } 00063 int 00064 IOIFCStreamBuffer::buffer_to_device(const char* c, int n) 00065 { 00066 while (n > 0) 00067 { 00068 int cnt = m_dev->write(c, n); 00069 if (cnt == -1) // failure 00070 { 00071 return -1; 00072 } 00073 c += cnt; 00074 n -= cnt; 00075 } 00076 return 0; 00077 } 00078 00080 void 00081 IOIFCStreamBuffer::reset() 00082 { 00083 initBuffers(); 00084 } 00085 00086 } // end namespace BLOCXX_NAMESPACE 00087