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Add validator list RPC commands (RIPD-1541):

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In support of dynamic validator list, this changeset:

1. Adds a new `validator_list_expires` field to `server_info` that
indicates when the current validator list will become stale.
2. Adds a new admin only `validator_lists` RPC that returns the
current list of known validators and the most recent published validator
lists.
3. Adds a new admin only `validator_sites` RPC that returns the list of
configured validator publisher sites and when they were most recently
queried.
This commit is contained in:
Brad Chase
2017-10-05 10:52:38 -04:00
parent 02059a27d6
commit 044dd53513
18 changed files with 1140 additions and 201 deletions
Download Patch File Download Diff File Expand all files Collapse all files

52
src/ripple/app/misc/impl/ValidatorSite.cpp
View File

@@ -17,12 +17,13 @@
*/
//==============================================================================
#include <ripple/app/misc/detail/WorkPlain.h>
#include <ripple/app/misc/detail/WorkSSL.h>
#include <ripple/app/misc/ValidatorList.h>
#include <ripple/app/misc/ValidatorSite.h>
#include <ripple/app/misc/detail/WorkPlain.h>
#include <ripple/app/misc/detail/WorkSSL.h>
#include <ripple/basics/Slice.h>
#include <ripple/json/json_reader.h>
#include <ripple/protocol/JsonFields.h>
#include <beast/core/detail/base64.hpp>
#include <boost/regex.hpp>
@@ -211,6 +212,9 @@ ValidatorSite::onSiteFetch(
JLOG (j_.warn()) <<
"Request for validator list at " <<
sites_[siteIdx].uri << " returned " << res.result_int();
sites_[siteIdx].lastRefreshStatus.emplace(
Site::Status{clock_type::now(), ListDisposition::invalid});
}
else if (! ec)
{
@@ -231,12 +235,21 @@ ValidatorSite::onSiteFetch(
body["signature"].asString(),
body["version"].asUInt());
sites_[siteIdx].lastRefreshStatus.emplace(
Site::Status{clock_type::now(), disp});
if (ListDisposition::accepted == disp)
{
JLOG (j_.debug()) <<
"Applied new validator list from " <<
sites_[siteIdx].uri;
}
else if (ListDisposition::same_sequence == disp)
{
JLOG (j_.debug()) <<
"Validator list with current sequence from " <<
sites_[siteIdx].uri;
}
else if (ListDisposition::stale == disp)
{
JLOG (j_.warn()) <<
@@ -277,10 +290,17 @@ ValidatorSite::onSiteFetch(
JLOG (j_.warn()) <<
"Unable to parse JSON response from " <<
sites_[siteIdx].uri;
sites_[siteIdx].lastRefreshStatus.emplace(
Site::Status{clock_type::now(), ListDisposition::invalid});
}
}
else
{
std::lock_guard <std::mutex> lock{sites_mutex_};
sites_[siteIdx].lastRefreshStatus.emplace(
Site::Status{clock_type::now(), ListDisposition::invalid});
JLOG (j_.warn()) <<
"Problem retrieving from " <<
sites_[siteIdx].uri <<
@@ -297,4 +317,32 @@ ValidatorSite::onSiteFetch(
cv_.notify_all();
}
Json::Value
ValidatorSite::getJson() const
{
using namespace std::chrono;
using Int = Json::Value::Int;
Json::Value jrr(Json::objectValue);
Json::Value& jSites = (jrr[jss::validator_sites] = Json::arrayValue);
{
std::lock_guard<std::mutex> lock{sites_mutex_};
for (Site const& site : sites_)
{
Json::Value& v = jSites.append(Json::objectValue);
v[jss::uri] = site.uri;
if (site.lastRefreshStatus)
{
v[jss::last_refresh_time] =
to_string(site.lastRefreshStatus->refreshed);
v[jss::last_refresh_status] =
to_string(site.lastRefreshStatus->disposition);
}
v[jss::refresh_interval_min] =
static_cast<Int>(site.refreshInterval.count());
}
}
return jrr;
}
} // ripple