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86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/******************************************************************************
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* $Id: logicalpartition.h 1823 2013-01-21 14:13:09Z rdempsey $
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*
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*****************************************************************************/
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/** @file
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* Put LogicalPartition define here to avoid header file include confilct.
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* This struct will be used in connector, brm and writeengine
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*/
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#pragma once
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#include "bytestream.h"
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namespace BRM
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{
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// Logical partition number descriptor
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struct LogicalPartition
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{
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uint16_t dbroot; // dbroot #
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uint32_t pp; // physical partition #
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uint16_t seg; // segment #
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LogicalPartition() : dbroot((uint16_t)-1), pp((uint32_t)-1), seg((uint16_t)-1)
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{
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}
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LogicalPartition(uint16_t d, uint32_t p, uint16_t s) : dbroot(d), pp(p), seg(s)
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{
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}
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bool operator<(const LogicalPartition& n) const
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{
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return ((pp < n.pp) || (pp == n.pp && seg < n.seg) || (pp == n.pp && seg == n.seg && dbroot < n.dbroot));
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}
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void serialize(messageqcpp::ByteStream& b) const
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{
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b << (uint16_t)dbroot;
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b << (uint32_t)pp;
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b << (uint16_t)seg;
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}
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void unserialize(messageqcpp::ByteStream& b)
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{
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b >> (uint16_t&)dbroot;
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b >> (uint32_t&)pp;
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b >> (uint16_t&)seg;
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}
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/** @bug4816. For output to user purpose */
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std::string toString() const;
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};
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/**
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* ostream operator
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*/
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std::ostream& operator<<(std::ostream& output, const LogicalPartition& rhs);
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std::istream& operator>>(std::istream& input, LogicalPartition& rhs);
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/**
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* bytestream operator
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*/
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messageqcpp::ByteStream& operator<<(messageqcpp::ByteStream& bs, const LogicalPartition& rhs);
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messageqcpp::ByteStream& operator>>(messageqcpp::ByteStream& bs, LogicalPartition& rhs);
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} // namespace BRM
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