private async Task UpdatePeersAsync(xServerPeers xServerPeerList)
{
foreach (var peer in xServerPeerList.GetPeers())
{
string xServerURL = Utils.GetServerUrl(peer.NetworkProtocol, peer.NetworkAddress, peer.NetworkPort);
var client = new RestClient(xServerURL);
var pingRequest = new RestRequest("/ping/", Method.GET);
var pingResponseTime = Stopwatch.StartNew();
var pingResult = await client.ExecuteAsync <PingResult>(pingRequest).ConfigureAwait(false);
pingResponseTime.Stop();
if (pingResult.StatusCode == HttpStatusCode.OK)
{
var pingData = pingResult.Data;
peer.Version = pingData.Version;
peer.ResponseTime = pingResponseTime.ElapsedMilliseconds;
peer.Tier = pingData.Tier;
SyncPeerToPeersList(xServerPeerList, peer);
}
else
{
SyncPeerToPeersList(xServerPeerList, peer, removePeer: true);
}
}
}
private void SyncPeerToPeersList(xServerPeers xServerPeerList, xServerPeer peer, bool seedCheck = false, bool removePeer = false)
{
var peersList = xServerPeerList.GetPeers();
int peerIndex = peersList.FindIndex(p => p.NetworkAddress == peer.NetworkAddress);
if (removePeer)
{
peersList.Remove(peer);
}
else if (seedCheck)
{
if (peerIndex == -1)
{
peersList.Add(peer);
}
}
else
{
if (peerIndex >= 0)
{
peersList[peerIndex] = peer;
}
else
{
peersList.Add(peer);
}
}
lock (this.xServerPeersLock)
{
xServerPeerList.ReplacePeers(peersList);
}
}