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/*
* 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 <string.h>
#include <sys/types.h>
#include <vector>
/* 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<string> /* in */);
bool add(string /* in */);
bool addV4(vector<string> /* in */);
bool addV4(string /* in */);
bool addV6(vector<string> /* 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<string> /* 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<Prefix> mPrefixes;
string mLastErr;
}; /* PrefixParser */
#endif /* _PREFIX_PARSER_H_ */
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