Files
xahaud/src/ripple/app/misc/SHAMapStore.h
2019-09-07 11:39:02 -07:00

80 lines
2.7 KiB
C++

//------------------------------------------------------------------------------
/*
This file is part of rippled: https://github.com/ripple/rippled
Copyright (c) 2012, 2013 Ripple Labs Inc.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#ifndef RIPPLE_APP_MISC_SHAMAPSTORE_H_INCLUDED
#define RIPPLE_APP_MISC_SHAMAPSTORE_H_INCLUDED
#include <ripple/app/ledger/Ledger.h>
#include <ripple/nodestore/Manager.h>
#include <ripple/protocol/ErrorCodes.h>
#include <ripple/core/Stoppable.h>
namespace ripple {
class TransactionMaster;
/**
* class to create database, launch online delete thread, and
* related SQLite database
*/
class SHAMapStore
: public Stoppable
{
public:
SHAMapStore (Stoppable& parent) : Stoppable ("SHAMapStore", parent) {}
/** Called by LedgerMaster every time a ledger validates. */
virtual void onLedgerClosed(std::shared_ptr<Ledger const> const& ledger) = 0;
virtual void rendezvous() const = 0;
virtual std::uint32_t clampFetchDepth (std::uint32_t fetch_depth) const = 0;
virtual
std::unique_ptr <NodeStore::Database>
makeNodeStore(std::string const& name, std::int32_t readThreads) = 0;
/** Highest ledger that may be deleted. */
virtual LedgerIndex setCanDelete (LedgerIndex canDelete) = 0;
/** Whether advisory delete is enabled. */
virtual bool advisoryDelete() const = 0;
/** Last ledger which was copied during rotation of backends. */
virtual LedgerIndex getLastRotated() = 0;
/** Highest ledger that may be deleted. */
virtual LedgerIndex getCanDelete() = 0;
/** Returns the number of file descriptors that are needed. */
virtual int fdRequired() const = 0;
};
//------------------------------------------------------------------------------
std::unique_ptr<SHAMapStore>
make_SHAMapStore(
Application& app,
Stoppable& parent,
NodeStore::Scheduler& scheduler,
beast::Journal journal);
}
#endif