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51f427c4e8
- Drop duplicate outgoing TMGetLedger messages per peer
- Allow a retry after 30s in case of peer or network congestion.
- Addresses RIPD-1870
- (Changes levelization. That is not desirable, and will need to be fixed.)
- Drop duplicate incoming TMGetLedger messages per peer
- Allow a retry after 15s in case of peer or network congestion.
- The requestCookie is ignored when computing the hash, thus increasing
the chances of detecting duplicate messages.
- With duplicate messages, keep track of the different requestCookies
(or lack of cookie). When work is finally done for a given request,
send the response to all the peers that are waiting on the request,
sending one message per peer, including all the cookies and
a "directResponse" flag indicating the data is intended for the
sender, too.
- Addresses RIPD-1871
- Drop duplicate incoming TMLedgerData messages
- Addresses RIPD-1869
- Improve logging related to ledger acquisition
- Class "CanProcess" to keep track of processing of distinct items
---------
Co-authored-by: Valentin Balaschenko <13349202+vlntb@users.noreply.github.com>
106 lines
3.3 KiB
C++
106 lines
3.3 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of rippled: https://github.com/ripple/rippled
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Copyright (c) 2023 Ripple Labs Inc.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#ifndef RIPPLE_PROTOCOL_LEDGERHEADER_H_INCLUDED
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#define RIPPLE_PROTOCOL_LEDGERHEADER_H_INCLUDED
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#include <xrpl/basics/Slice.h>
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#include <xrpl/basics/base_uint.h>
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#include <xrpl/basics/chrono.h>
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#include <xrpl/protocol/Protocol.h>
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#include <xrpl/protocol/Serializer.h>
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#include <xrpl/protocol/XRPAmount.h>
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namespace ripple {
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/** Information about the notional ledger backing the view. */
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struct LedgerHeader
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{
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explicit LedgerHeader() = default;
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//
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// For all ledgers
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//
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LedgerIndex seq = 0;
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NetClock::time_point parentCloseTime = {};
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//
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// For closed ledgers
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//
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// Closed means "tx set already determined"
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uint256 hash = beast::zero;
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uint256 txHash = beast::zero;
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uint256 accountHash = beast::zero;
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uint256 parentHash = beast::zero;
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XRPAmount drops = beast::zero;
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// If validated is false, it means "not yet validated."
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// Once validated is true, it will never be set false at a later time.
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// NOTE: If you are accessing this directly, you are probably doing it
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// wrong. Use LedgerMaster::isValidated().
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// VFALCO TODO Make this not mutable
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bool mutable validated = false;
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bool accepted = false;
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// flags indicating how this ledger close took place
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int closeFlags = 0;
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// the resolution for this ledger close time (2-120 seconds)
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NetClock::duration closeTimeResolution = {};
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// For closed ledgers, the time the ledger
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// closed. For open ledgers, the time the ledger
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// will close if there's no transactions.
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//
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NetClock::time_point closeTime = {};
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};
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// We call them "headers" in conversation
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// but "info" in code. Unintuitive.
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// This alias lets us give the "correct" name to the class
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// without yet disturbing existing uses.
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using LedgerInfo = LedgerHeader;
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// ledger close flags
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static std::uint32_t const sLCF_NoConsensusTime = 0x01;
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inline bool
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getCloseAgree(LedgerHeader const& info)
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{
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return (info.closeFlags & sLCF_NoConsensusTime) == 0;
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}
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void
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addRaw(LedgerHeader const&, Serializer&, bool includeHash = false);
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/** Deserialize a ledger header from a byte array. */
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LedgerHeader
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deserializeHeader(Slice data, bool hasHash = false);
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/** Deserialize a ledger header (prefixed with 4 bytes) from a byte array. */
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LedgerHeader
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deserializePrefixedHeader(Slice data, bool hasHash = false);
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} // namespace ripple
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#endif
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