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Add support for reserved peer slots:

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This commit allows server operators to reserve slots for specific
peers (identified by the peer's public node identity) and to make
changes to the reservations while the server is operating.

This commit closes #2938
This commit is contained in:
John Freeman
2019-05-14 14:50:37 -05:00
committed by Nik Bougalis
parent 20cc5df5fe
commit 87e9ee5ce9
25 changed files with 553 additions and 52 deletions
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29
src/ripple/overlay/impl/OverlayImpl.cpp
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@@ -278,18 +278,25 @@ OverlayImpl::onHandoff (std::unique_ptr <beast::asio::ssl_bundle>&& ssl_bundle,
return handoff;
}
auto const result = m_peerFinder->activate (slot, *publicKey,
static_cast<bool>(app_.cluster().member(*publicKey)));
if (result != PeerFinder::Result::success)
{
m_peerFinder->on_closed(slot);
JLOG(journal.debug()) <<
"Peer " << remote_endpoint << " redirected, slots full";
handoff.moved = false;
handoff.response = makeRedirectResponse(slot, request,
remote_endpoint.address());
handoff.keep_alive = beast::rfc2616::is_keep_alive(request);
return handoff;
// The node gets a reserved slot if it is in our cluster
// or if it has a reservation.
bool const reserved {
static_cast<bool>(app_.cluster().member(*publicKey))
|| app_.peerReservations().contains(*publicKey)
};
auto const result = m_peerFinder->activate(slot, *publicKey, reserved);
if (result != PeerFinder::Result::success)
{
m_peerFinder->on_closed(slot);
JLOG(journal.debug())
<< "Peer " << remote_endpoint << " redirected, slots full";
handoff.moved = false;
handoff.response = makeRedirectResponse(
slot, request, remote_endpoint.address());
handoff.keep_alive = beast::rfc2616::is_keep_alive(request);
return handoff;
}
}
auto const peer = std::make_shared<PeerImp>(app_, id,