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80 lines
3.2 KiB
80 lines
3.2 KiB
4 months ago
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/*
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* Copyright (c) 2017, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _PREFIX_PARSER_H_
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#define _PREFIX_PARSER_H_
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/* External Includes */
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#include <string.h>
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#include <sys/types.h>
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#include <vector>
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/* Internal Includes */
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#include "IOffloadManager.h"
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/* Avoiding namespace pollution */
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using IP_FAM = ::IOffloadManager::IP_FAM;
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using Prefix = ::IOffloadManager::Prefix;
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using ::std::string;
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using ::std::vector;
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class PrefixParser {
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public:
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PrefixParser();
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bool add(vector<string> /* in */);
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bool add(string /* in */);
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bool addV4(vector<string> /* in */);
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bool addV4(string /* in */);
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bool addV6(vector<string> /* in */);
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bool addV6(string /* in */);
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int size();
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bool allAreFullyQualified();
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Prefix getFirstPrefix();
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Prefix getFirstPrefix(IP_FAM);
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string getLastErrAsStr();
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private:
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bool add(string /* in */, IP_FAM /* famHint */);
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bool add(vector<string> /* in */, IP_FAM /* famHint */);
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static IP_FAM guessIPFamily(string /* in */);
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static bool splitIntoAddrAndMask(string /* in */, string& /* addr */,
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string& /* mask */);
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static int parseSubnetMask(string /* in */, IP_FAM /* famHint */);
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static bool parseV4Addr(string /* in */, Prefix& /* out */);
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static bool parseV6Addr(string /* in */, Prefix& /* out */);
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static bool populateV4Mask(int /* mask */, Prefix& /* out */);
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static bool populateV6Mask(int /* mask */, Prefix& /* out */);
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static uint32_t createMask(int /* mask */);
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static Prefix makeBlankPrefix(IP_FAM /* famHint */);
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bool isMaskValid(int /* mask */, IP_FAM /* fam */);
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static const uint32_t FULLY_QUALIFIED_MASK = ~0;
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vector<Prefix> mPrefixes;
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string mLastErr;
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}; /* PrefixParser */
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#endif /* _PREFIX_PARSER_H_ */
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