private void OnTimer(object state)
{
foreach (var network in Network.Networks)
{
for (var numOfTryes = 0; numOfTryes < 3; numOfTryes++)
{
try
{
using (var client = ApiFab.CreateSignalApi(network.SignalIp))
{
var result = client.GetActiveNodes();
var nodes = result.Nodes.Distinct((n1, n2) => n1.Ip.Equals(n2.Ip)).ToArray();
using (var db = ApiFab.GetDbContext())
{
var dbNodes = db.Nodes.ToArray();
foreach (var serverNode in nodes)
{
var ip = serverNode.Ip;
if (string.IsNullOrEmpty(ip))
{
continue;
}
var exnode = dbNodes.FirstOrDefault(n => n.Ip.Equals(ip));
if (exnode != null)
{
exnode.ModifyTime = DateTime.Now;
exnode.Version = serverNode.Version;
db.Nodes.Update(exnode);
}
else
{
var node = new Node
{
Ip = ip,
Version = serverNode.Version,
Network = network.Id
};
db.Nodes.Add(node);
}
db.SaveChanges();
}
}
}
break;
}
catch (Exception e)
{
_logger.LogError(e, $"Exception in NodesSource NumOfTryes={numOfTryes}");
Thread.Sleep(1000);
}
}
}
_timer.Change(Period, 0);
}
private void OnTimer(object state)
{
try
{
foreach (var network in Network.Networks)
{
using (var client = ApiFab.CreateSignalApi(network.SignalIp))
{
var result = client.GetActiveNodes();
var nodes = result.Nodes.Distinct((n1, n2) => n1.Ip.Equals(n2.Ip)).ToArray();
using (var db = GetDbContext())
{
var dbNodes = db.Nodes.ToArray();
foreach (var serverNode in nodes)
{
var ip = serverNode.Ip;
if (string.IsNullOrEmpty(ip))
{
continue;
}
var exnode = dbNodes.FirstOrDefault(n => n.Ip.Equals(ip));
if (exnode != null)
{
exnode.ModifyTime = DateTime.Now;
exnode.Version = serverNode.Version;
db.Nodes.Update(exnode);
}
else
{
//var uri = new Uri($"https://ipapi.co/{ip}/json/");
//var nodestr = await GetAsync(uri);
//var node = JsonConvert.DeserializeObject<Node>(nodestr);
//if (!node.Ip.Equals(ip)) continue;
var node = new Node
{
Ip = ip,
Version = serverNode.Version,
Network = network.Id
};
db.Nodes.Add(node);
}
db.SaveChanges();
}
}
}
}
}
catch (Exception e)
{
_logger.LogError(e, "Exception in NodesSource");
}
_timer.Change(Period, 0);
}
// Updates the list of nodes, from signal server
private async Task UpdateNetworkNodes(Network network)
{
// Create a connection to the signal server API
using (var client = ApiFab.CreateSignalApi(network.SignalIp, network.SignalPort))
{
// Get the list of nodes from API
var result = client.GetActiveNodes();
// Convert nodes to nodeInfos
var nodes = result.Nodes.Select(n => new NodeInfo(n)).ToList();
// Try to get country and geo-location for all nodes
try
{
// Connect to DB
using (var db = CsmonDbContext.Create())
{
// Get nodes, stored in db
var dbNodes = db.Nodes.Where(n => n.Network == network.Id).ToList();
// Add new nodes into db and update existing
foreach (var node in nodes)
{
var dbNode = dbNodes.FirstOrDefault(n => n.PublicKey.Equals(node.PublicKey));
if (dbNode == null)
{
db.Nodes.Add(new Node(node, network.Id));
}
else if (!node.EqualsDbNode(dbNode))
{
db.Nodes.Update(node.UpdateDbNode(dbNode));
}
}
db.SaveChanges();
// Get Non-Active nodes from db
foreach (var node in dbNodes.Where(n => !nodes.Any(d => d.PublicKey.Equals(n.PublicKey))))
{
nodes.Add(new NodeInfo(node));
}
// Find geo data for nodes
foreach (var ip in nodes.Select(n => n.Ip).Distinct())
{
// Try to find node in db by ip address
var location = db.Locations.FirstOrDefault(l => l.Ip.Equals(ip));
// If not found, try to get info by ip using ipapi.co web service
if (location == null)
{
try
{
var uri = new Uri("https://ipapi.co/" + $"{ip}/json/");
var nodeStr = await GetAsync(uri);
nodeStr = nodeStr.Replace("\"latitude\": null,", "");
nodeStr = nodeStr.Replace("\"longitude\": null,", "");
location = JsonConvert.DeserializeObject <Location>(nodeStr);
location.Ip = ip;
if (location.Org.Length > 64)
{
location.Org = location.Org.Substring(0, 64);
}
// Store data in db
db.Locations.Add(location);
db.SaveChanges();
}
catch (Exception e)
{
_logger.LogError(e, "");
continue;
}
}
// Set location data to nodes
foreach (var nodeInfo in nodes.Where(n => n.Ip.Equals(ip)))
{
nodeInfo.SetLocation(location);
}
}
}
}
catch (Exception e)
{
_logger.LogError(e, "");
}
// Collect additional info about nodes from the network
try
{
using (var cnt = ApiFab.CreateReleaseApi(network.Ip))
{
var page = 0;
while (true)
{
var writers = cnt.WritersGet(page++);
if (!writers.Writers.Any())
{
break;
}
foreach (var writer in writers.Writers)
{
var key = Base58Encoding.Encode(writer.Address);
var node = nodes.FirstOrDefault(n => n.PublicKey == key);
if (node == null)
{
continue;
}
node.TotalFee = ConvUtils.FormatAmount(writer.FeeCollected);
node.TimesWriter = writer.TimesWriter;
}
}
}
}
catch (Exception e)
{
_logger.LogError(e, "");
}
// Hide Ip addresses before output
foreach (var nodeInfo in nodes)
{
nodeInfo.HideIp();
}
// Put the ordered list into the storage
_states[network.Id].Nodes = nodes.OrderByDescending(n => n.Active).ThenBy(n => n.Ip).ToList();
}
}
private async void OnTimer(object state)
{
foreach (var network in Network.Networks)
{
for (var numOfTryes = 0; numOfTryes < 3; numOfTryes++)
{
try
{
if (string.IsNullOrEmpty(network.SignalIp))
{
break;
}
using (var client = ApiFab.CreateSignalApi(network.SignalIp))
{
var result = client.GetActiveNodes();
var nodes = result.Nodes.Distinct((n1, n2) => n1.Ip.Equals(n2.Ip)).ToArray();
using (var db = ApiFab.GetDbContext())
{
var dbNodes = db.Nodes.ToArray();
foreach (var serverNode in nodes)
{
var ip = serverNode.Ip;
if (string.IsNullOrEmpty(ip))
{
continue;
}
var exnode = dbNodes.FirstOrDefault(n => n.Ip.Equals(ip));
if (exnode != null)
{
exnode.ModifyTime = DateTime.Now;
exnode.Version = serverNode.Version;
exnode.Platform = serverNode.Platform;
exnode.Size = result.Nodes.Count(n => n.Ip.Equals(ip));
db.Nodes.Update(exnode);
}
else
{
var uri = new Uri($"https://ipapi.co/{ip}/json/");
var nodestr = await GetAsync(uri);
var node = JsonConvert.DeserializeObject <Node>(nodestr);
node.Ip = ip;
node.Version = serverNode.Version;
node.Network = network.Id;
node.Platform = serverNode.Platform;
node.Size = result.Nodes.Count(n => n.Ip.Equals(ip));
db.Nodes.Add(node);
}
db.SaveChanges();
}
}
}
break;
}
catch (Exception e)
{
_logger.LogError(e, $"Exception in NodesSource NumOfTryes={numOfTryes}");
Thread.Sleep(1000);
}
}
}
_timer.Change(_period, 0);
}
