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Reduce duplicate peer traffic for ledger data (#5126)

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- 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>
This commit is contained in:
Ed Hennis
2025-02-14 18:51:51 -05:00
committed by GitHub
parent 7c9d652d9b
commit dd5e6559dd
27 changed files with 1017 additions and 147 deletions
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5
src/test/basics/base_uint_test.cpp
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@@ -151,6 +151,7 @@ struct base_uint_test : beast::unit_test::suite
uset.insert(u);
BEAST_EXPECT(raw.size() == u.size());
BEAST_EXPECT(to_string(u) == "0102030405060708090A0B0C");
BEAST_EXPECT(to_short_string(u) == "01020304...");
BEAST_EXPECT(*u.data() == 1);
BEAST_EXPECT(u.signum() == 1);
BEAST_EXPECT(!!u);
@@ -173,6 +174,7 @@ struct base_uint_test : beast::unit_test::suite
test96 v{~u};
uset.insert(v);
BEAST_EXPECT(to_string(v) == "FEFDFCFBFAF9F8F7F6F5F4F3");
BEAST_EXPECT(to_short_string(v) == "FEFDFCFB...");
BEAST_EXPECT(*v.data() == 0xfe);
BEAST_EXPECT(v.signum() == 1);
BEAST_EXPECT(!!v);
@@ -193,6 +195,7 @@ struct base_uint_test : beast::unit_test::suite
test96 z{beast::zero};
uset.insert(z);
BEAST_EXPECT(to_string(z) == "000000000000000000000000");
BEAST_EXPECT(to_short_string(z) == "00000000...");
BEAST_EXPECT(*z.data() == 0);
BEAST_EXPECT(*z.begin() == 0);
BEAST_EXPECT(*std::prev(z.end(), 1) == 0);
@@ -213,6 +216,7 @@ struct base_uint_test : beast::unit_test::suite
BEAST_EXPECT(n == z);
n--;
BEAST_EXPECT(to_string(n) == "FFFFFFFFFFFFFFFFFFFFFFFF");
BEAST_EXPECT(to_short_string(n) == "FFFFFFFF...");
n = beast::zero;
BEAST_EXPECT(n == z);
@@ -223,6 +227,7 @@ struct base_uint_test : beast::unit_test::suite
test96 x{zm1 ^ zp1};
uset.insert(x);
BEAST_EXPECTS(to_string(x) == "FFFFFFFFFFFFFFFFFFFFFFFE", to_string(x));
BEAST_EXPECTS(to_short_string(x) == "FFFFFFFF...", to_short_string(x));
BEAST_EXPECT(uset.size() == 4);