public async Task Run()
{
var db = Redis.GetDatabase();
if (!await db.KeyExistsAsync("hs:nodes:all-nodes"))
{
Console.WriteLine("First run.. checking seeds");
//get seeds
List <Node> allIps = new List <Node>();
foreach (var dseed in DNSSeeds)
{
var ips = await Dns.GetHostAddressesAsync(dseed);
if (ips != null && ips.Length > 0)
{
allIps.AddRange(ips.Select(a => new Node()
{
IP = new IPEndPoint(a, 8333),
LastSeen = new DateTime()
}));
}
}
foreach (var n in allIps)
{
await ParallelTasks.WaitAsync();
UpdateNodeInfo(n);
ParallelTasks.Release();
}
Console.WriteLine("First run complete.");
}
while (Running)
{
var nodes = await GetNewNodes();
foreach (var n in nodes)
{
await ParallelTasks.WaitAsync();
UpdateNodeInfo(n);
ParallelTasks.Release();
}
Console.WriteLine("Scrape complete.");
await Task.Delay(30000);
}
}