public void InvalidNetworkStatistics_Throws_ArgumentException(string value)
{
var storage = new KongoDataStorage($"Data Source={Path.GetRandomFileName()}");
storage.Database.EnsureCreated();
_processor = new NetworkStatisticsProcessor(storage);
storage.Database.EnsureDeleted();
Assert.ThrowsAsync <ArgumentException>(() => _processor.ProcessNetworkStatistics(value));
}
public async Task ProcessValidNetworkStatisticsStreamAllNulls(string value)
{
var storage = new KongoDataStorage($"Data Source={Path.GetRandomFileName()}");
storage.Database.EnsureCreated();
_processor = new NetworkStatisticsProcessor(storage);
var networkStats = await _processor.ProcessNetworkStatistics(value);
storage.Database.EnsureDeleted();
Assert.True(networkStats != null, "networkStats == null");
Assert.True(networkStats.LastBlockReceivedAt == default(DateTimeOffset), $"LastBlockReceivedAt = {networkStats.LastFragmentReceivedAt}");
Assert.True(networkStats.LastFragmentReceivedAt == default(DateTimeOffset), $"LastFragmentReceivedAt = {networkStats.LastFragmentReceivedAt}");
Assert.True(networkStats.LastGossipReceivedAt == default(DateTimeOffset), $"LastGossipReceivedAt = {networkStats.LastGossipReceivedAt}");
Assert.True(networkStats.TotalEstablishedConnections > 0, $"TotalEstablishedConnections = {networkStats.TotalEstablishedConnections}");
}
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
while (!stoppingToken.IsCancellationRequested)
{
using (var client = new HttpClient())
{
var uirScheme = _opts.RestUri.Split(':')[0];
var host = _opts.RestUri.Split(':')[1].Substring(2);
var portPart = _opts.RestUri.Split(':')[2];
Int32.TryParse(portPart, out int port);
var requestUri = new UriBuilder(uirScheme, host, port, "api/v0/network/stats");
try
{
var response = await _httpClient.GetAsync(requestUri.Uri);
string content = await response.Content.ReadAsStringAsync();
if (_opts.Verbose || _opts.VerboseNetworkStats)
{
var currentForeground = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine(requestUri.Uri.ToString());
Console.WriteLine(response);
Console.WriteLine(content);
Console.WriteLine();
Console.ForegroundColor = currentForeground;
}
//will throw an exception if not successful
response.EnsureSuccessStatusCode();
var processedNetworkStatistics = await _processor.ProcessNetworkStatistics(content);
_sb.Clear();
_sb.AppendLine($"NetworkStatistics running on {_opts.PoolName}, at: {DateTimeOffset.Now}");
_sb.AppendLine();
_sb.AppendLine($"Total Established Connections: {processedNetworkStatistics.TotalEstablishedConnections}");
_sb.AppendLine();
_sb.AppendLine("Last Events Timestamps:");
_sb.AppendLine($"\t Block Received: {processedNetworkStatistics.LastBlockReceivedAt}");
_sb.AppendLine($"\tFragment Received: {processedNetworkStatistics.LastFragmentReceivedAt}");
_sb.AppendLine($"\t Gossip Received: {processedNetworkStatistics.LastGossipReceivedAt}");
_sb.AppendLine();
_sb.AppendLine("Past 30 Minutes stats:");
_sb.AppendLine($"\t Nodes Sending Block: {processedNetworkStatistics.BlocksReceivedInPast30Min}");
_sb.AppendLine($"\tNodes Sending Fragments: {processedNetworkStatistics.FragmentsReceivedInPast30Min}");
_sb.AppendLine($"\t Nodes Gossiping: {processedNetworkStatistics.GossipReceivedInPast30Min}");
_sb.AppendLine();
_logger.LogInformation(_sb.ToString());
}
catch (Exception ex)
{
_logger.LogError(ex.Message);
}
}
await Task.Delay(30000, stoppingToken);
}
}