00001 /* 00002 * SockUtil.h : part of the Mace toolkit for building distributed systems 00003 * 00004 * Copyright (c) 2007, Charles Killian, Dejan Kostic, Ryan Braud, James W. Anderson, John Fisher-Ogden, Calvin Hubble, Duy Nguyen, Justin Burke, David Oppenheimer, Amin Vahdat, Adolfo Rodriguez, Sooraj Bhat 00005 * All rights reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions are met: 00009 * 00010 * * Redistributions of source code must retain the above copyright 00011 * notice, this list of conditions and the following disclaimer. 00012 * * Redistributions in binary form must reproduce the above copyright 00013 * notice, this list of conditions and the following disclaimer in 00014 * the documentation and/or other materials provided with the 00015 * distribution. 00016 * * Neither the names of Duke University nor The University of 00017 * California, San Diego, nor the names of the authors or contributors 00018 * may be used to endorse or promote products derived from 00019 * this software without specific prior written permission. 00020 * 00021 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00022 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00023 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00024 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE 00025 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00026 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 00027 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00028 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00029 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 00030 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00031 * 00032 * ----END-OF-LEGAL-STUFF---- */ 00033 #ifndef __SOCK_UTIL_H 00034 #define __SOCK_UTIL_H 00035 00036 #include "Exception.h" 00037 #include "MaceTypes.h" 00038 #include "maceConfig.h" 00039 00053 class SockUtil { 00054 public: 00055 static void init(); 00056 static void setNonblock(socket_t s); 00057 static void setNodelay(socket_t s); 00058 static void fillSockAddr(const std::string& host, uint16_t port, 00059 struct sockaddr_in& sa) throw (AddressException); 00060 static void fillSockAddr(uint32_t addr, uint16_t port, struct sockaddr_in& sa); 00061 static void fillSockAddr(const SockAddr& addr, struct sockaddr_in& sa); 00062 static SockAddr getSockAddr(const std::string& hostname) throw (AddressException); 00063 00064 static int getErrno(); 00065 static bool errorWouldBlock(int err = -1); 00066 static bool errorInterrupted(int err = -1); 00067 static bool errorBadF(int err = -1); 00068 static bool errorConnFail(int err = -1); 00069 static bool errorTransient(int err = -1); 00070 static bool errorNotConnected(int err = -1); 00071 00072 static const SockAddr NULL_MSOCKADDR; 00073 static const MaceAddr NULL_MACEADDR; 00074 static const std::string NAT_STRING; 00075 }; // SockUtil 00076 00079 #endif // __SOCK_UTIL_H