/* * Copyright (c) 2017, The Linux Foundation. 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 Linux Foundation 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 "AS IS" AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT * 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. */ #ifndef _PREFIX_PARSER_H_ #define _PREFIX_PARSER_H_ /* External Includes */ #include #include #include /* Internal Includes */ #include "IOffloadManager.h" /* Avoiding namespace pollution */ using IP_FAM = ::IOffloadManager::IP_FAM; using Prefix = ::IOffloadManager::Prefix; using ::std::string; using ::std::vector; class PrefixParser { public: PrefixParser(); bool add(vector /* in */); bool add(string /* in */); bool addV4(vector /* in */); bool addV4(string /* in */); bool addV6(vector /* in */); bool addV6(string /* in */); int size(); bool allAreFullyQualified(); Prefix getFirstPrefix(); Prefix getFirstPrefix(IP_FAM); string getLastErrAsStr(); private: bool add(string /* in */, IP_FAM /* famHint */); bool add(vector /* in */, IP_FAM /* famHint */); static IP_FAM guessIPFamily(string /* in */); static bool splitIntoAddrAndMask(string /* in */, string& /* addr */, string& /* mask */); static int parseSubnetMask(string /* in */, IP_FAM /* famHint */); static bool parseV4Addr(string /* in */, Prefix& /* out */); static bool parseV6Addr(string /* in */, Prefix& /* out */); static bool populateV4Mask(int /* mask */, Prefix& /* out */); static bool populateV6Mask(int /* mask */, Prefix& /* out */); static uint32_t createMask(int /* mask */); static Prefix makeBlankPrefix(IP_FAM /* famHint */); bool isMaskValid(int /* mask */, IP_FAM /* fam */); static const uint32_t FULLY_QUALIFIED_MASK = ~0; vector mPrefixes; string mLastErr; }; /* PrefixParser */ #endif /* _PREFIX_PARSER_H_ */