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Improve handling of peers that aren't synced:

Browse Source 
When evaluating the fitness and usefulness of an outbound peer, the code
would incorrectly calculate the amount of time that the peer spent in
a non-useful state.

This commit, if merged, corrects the calculation and makes the timeout
values configurable by server operators.

Two new options are introduced in the 'overlay' stanza of the config
file. The default values, in seconds, are:

[overlay]
max_unknown_time = 600
max_diverged_time = 300
This commit is contained in:
Nik Bougalis
2020-09-09 01:58:45 -07:00
parent 64191a4b13
commit cba6b4a749
18 changed files with 255 additions and 150 deletions
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31
src/ripple/rpc/handlers/Peers.cpp
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@@ -32,17 +32,33 @@ doPeers(RPC::JsonContext& context)
{
Json::Value jvResult(Json::objectValue);
jvResult[jss::peers] = context.app.overlay().json();
// Legacy support
if (context.apiVersion == 1)
{
jvResult[jss::peers] = context.app.overlay().json();
for (auto& p : jvResult[jss::peers])
{
if (p.isMember(jss::track))
{
auto const s = p[jss::track].asString();
auto const now = context.app.timeKeeper().now();
auto const self = context.app.nodeIdentity().first;
if (s == "diverged")
p["sanity"] = "insane";
else if (s == "unknown")
p["sanity"] = "unknown";
}
}
}
Json::Value& cluster = (jvResult[jss::cluster] = Json::objectValue);
std::uint32_t ref = context.app.getFeeTrack().getLoadBase();
auto const now = context.app.timeKeeper().now();
auto const self = context.app.nodeIdentity().first;
context.app.cluster().for_each([&cluster, now, ref, &self](
ClusterNode const& node) {
Json::Value& cluster = (jvResult[jss::cluster] = Json::objectValue);
std::uint32_t ref = context.app.getFeeTrack().getLoadBase();
context.app.cluster().for_each(
[&cluster, now, ref, &self](ClusterNode const& node) {
if (node.identity() == self)
return;
@@ -60,7 +76,6 @@ doPeers(RPC::JsonContext& context)
? 0
: (now - node.getReportTime()).count();
});
}
return jvResult;
}