SuqashSRS4: Build SRT native

trunk/3rdparty/srt-1-fit/srtcore/cache.cpp

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+/*****************************************************************************
+Copyright (c) 2001 - 2009, The Board of Trustees of the University of Illinois.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the
+  above copyright notice, this list of conditions
+  and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the name of the University of Illinois
+  nor the names of its contributors may be used to
+  endorse or promote products derived from this
+  software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR
+CONTRIBUTORS 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.
+*****************************************************************************/
+
+/*****************************************************************************
+written by
+   Yunhong Gu, last updated 05/05/2009
+*****************************************************************************/
+
+#ifdef _WIN32
+   #include <winsock2.h>
+   #include <ws2tcpip.h>
+#endif
+
+#include <cstring>
+#include "cache.h"
+#include "core.h"
+
+using namespace std;
+
+CInfoBlock& CInfoBlock::operator=(const CInfoBlock& obj)
+{
+   std::copy(obj.m_piIP, obj.m_piIP + 4, m_piIP);
+   m_iIPversion = obj.m_iIPversion;
+   m_ullTimeStamp = obj.m_ullTimeStamp;
+   m_iRTT = obj.m_iRTT;
+   m_iBandwidth = obj.m_iBandwidth;
+   m_iLossRate = obj.m_iLossRate;
+   m_iReorderDistance = obj.m_iReorderDistance;
+   m_dInterval = obj.m_dInterval;
+   m_dCWnd = obj.m_dCWnd;
+
+   return *this;
+}
+
+bool CInfoBlock::operator==(const CInfoBlock& obj)
+{
+   if (m_iIPversion != obj.m_iIPversion)
+      return false;
+
+   else if (m_iIPversion == AF_INET)
+      return (m_piIP[0] == obj.m_piIP[0]);
+
+   for (int i = 0; i < 4; ++ i)
+   {
+      if (m_piIP[i] != obj.m_piIP[i])
+         return false;
+   }
+
+   return true;
+}
+
+CInfoBlock* CInfoBlock::clone()
+{
+   CInfoBlock* obj = new CInfoBlock;
+
+   std::copy(m_piIP, m_piIP + 4, obj->m_piIP);
+   obj->m_iIPversion = m_iIPversion;
+   obj->m_ullTimeStamp = m_ullTimeStamp;
+   obj->m_iRTT = m_iRTT;
+   obj->m_iBandwidth = m_iBandwidth;
+   obj->m_iLossRate = m_iLossRate;
+   obj->m_iReorderDistance = m_iReorderDistance;
+   obj->m_dInterval = m_dInterval;
+   obj->m_dCWnd = m_dCWnd;
+
+   return obj;
+}
+
+int CInfoBlock::getKey()
+{
+   if (m_iIPversion == AF_INET)
+      return m_piIP[0];
+
+   return m_piIP[0] + m_piIP[1] + m_piIP[2] + m_piIP[3];
+}
+
+void CInfoBlock::convert(const sockaddr* addr, int ver, uint32_t ip[])
+{
+   if (ver == AF_INET)
+   {
+      ip[0] = ((sockaddr_in*)addr)->sin_addr.s_addr;
+      ip[1] = ip[2] = ip[3] = 0;
+   }
+   else
+   {
+      memcpy((char*)ip, (char*)((sockaddr_in6*)addr)->sin6_addr.s6_addr, 16);
+   }
+}