public Task StartAsync(CancellationToken cancellationToken)
{
log.LogInformation($"Start Gateway Service for {chainSettings.Symbol}.");
tcpEndpoint = new IPEndPoint(IPAddress.Any, gatewaySettings.Port);
tcp = new TcpListener(tcpEndpoint);
udpEndpoint = new IPEndPoint(IPAddress.Any, gatewaySettings.Port);
udp = new UdpClient(udpEndpoint);
// To avoid circular reference we must resolve these in the startup.
messageProcessing = serviceProvider.GetService <IGatewayMessageProcessing>();
messageSerializer = serviceProvider.GetService <MessageSerializer>();
// Prepare the messaging processors for message handling.
MessageMaps maps = messageProcessing.Build();
messageSerializer.Maps = maps;
Task.Run(async() =>
{
try
{
while (!cancellationToken.IsCancellationRequested)
{
Task tcpTask = Task.Run(() =>
{
TcpWorker(cancellationToken);
}, cancellationToken);
Task udTask = Task.Run(() =>
{
UdpWorker(cancellationToken);
}, cancellationToken);
Task.WaitAll(new Task[] { tcpTask, udTask }, cancellationToken);
//Task.Delay(TimeSpan.FromSeconds(retryInterval), cancellationToken).Wait(cancellationToken);
//var tokenSource = new CancellationTokenSource();
//cancellationToken.Register(() => { tokenSource.Cancel(); });
//try
//{
// using (IServiceScope scope = scopeFactory.CreateScope())
// {
// Runner runner = scope.ServiceProvider.GetService<Runner>();
// System.Collections.Generic.IEnumerable<Task> runningTasks = runner.RunAll(tokenSource);
// Task.WaitAll(runningTasks.ToArray(), cancellationToken);
// if (cancellationToken.IsCancellationRequested)
// {
// tokenSource.Cancel();
// }
// }
// break;
//}
//catch (OperationCanceledException)
//{
// // do nothing the task was cancel.
// throw;
//}
//catch (AggregateException ae)
//{
// if (ae.Flatten().InnerExceptions.OfType<SyncRestartException>().Any())
// {
// log.LogInformation("Sync: ### - Restart requested - ###");
// log.LogTrace("Sync: Signalling token cancelation");
// tokenSource.Cancel();
// continue;
// }
// foreach (Exception innerException in ae.Flatten().InnerExceptions)
// {
// log.LogError(innerException, "Sync");
// }
// tokenSource.Cancel();
// int retryInterval = 10;
// log.LogWarning($"Unexpected error retry in {retryInterval} seconds");
// //this.tracer.ReadLine();
// // Blokcore Indexer is designed to be idempotent, we want to continue running even if errors are found.
// // so if an unepxected error happened we log it wait and start again
// Task.Delay(TimeSpan.FromSeconds(retryInterval), cancellationToken).Wait(cancellationToken);
// continue;
//}
//catch (Exception ex)
//{
// log.LogError(ex, "Sync");
// break;
//}
}
}
catch (OperationCanceledException)
{
// do nothing the task was cancel.
throw;
}
catch (Exception ex)
{
log.LogError(ex, "Gateway");
throw;
}
}, cancellationToken);
return(Task.CompletedTask);
}
public Task StartAsync(CancellationToken cancellationToken)
{
log.LogInformation($"Start Hub Service for {chainSettings.Symbol}.");
Protection protection = new Protection();
Mnemonic recoveryPhrase;
DirectoryInfo dataFolder = new DirectoryInfo(hubSettings.DataFolder);
if (!dataFolder.Exists)
{
dataFolder.Create();
}
string path = Path.Combine(dataFolder.FullName, "recoveryphrase.txt");
if (!File.Exists(path))
{
recoveryPhrase = new Mnemonic(Wordlist.English, WordCount.Twelve);
string cipher = protection.Protect(recoveryPhrase.ToString());
File.WriteAllText(path, cipher);
}
else
{
string cipher = File.ReadAllText(path);
recoveryPhrase = new Mnemonic(protection.Unprotect(cipher));
}
if (recoveryPhrase.ToString() != "border indicate crater public wealth luxury derive media barely survey rule hen")
{
//throw new ApplicationException("RECOVERY PHRASE IS DIFFERENT!");
}
// Read the identity from the secure storage and provide it here.
//host.Setup(new Identity(recoveryPhrase.ToString()), stoppingToken);
IPAddress[] IPAddresses = Dns.GetHostAddresses(hubSettings.Server);
if (IPAddresses.Length == 0)
{
throw new ApplicationException("Did not find any IP address for the hub server.");
}
//ServerEndpoint = new IPEndPoint(IPAddress.Parse(hubSettings.Server), hubSettings.Port);
// TODO: #4
ServerEndpoint = new IPEndPoint(IPAddresses[0], hubSettings.Port);
LocalHubInfo = new HubInfo();
AckResponces = new List <Ack>();
UDPClientGateway.AllowNatTraversal(true);
UDPClientGateway.Client.SetIPProtectionLevel(IPProtectionLevel.Unrestricted);
UDPClientGateway.Client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
LocalHubInfo.Name = Environment.MachineName;
LocalHubInfo.ConnectionType = ConnectionTypes.Unknown;
LocalHubInfo.Id = Guid.NewGuid().ToString();
//LocalHubInfo.Id = DateTime.Now.Ticks;
IEnumerable <IPAddress> IPs = Dns.GetHostEntry(Dns.GetHostName()).AddressList.Where(ip => ip.AddressFamily == AddressFamily.InterNetwork);
foreach (IPAddress IP in IPs)
{
log.LogInformation("Internal Address: {IP}", IP);
LocalHubInfo.InternalAddresses.Add(IP);
}
// To avoid circular reference we must resolve these in the startup.
messageProcessing = serviceProvider.GetService <IHubMessageProcessing>();
messageSerializer = serviceProvider.GetService <MessageSerializer>();
// Prepare the messaging processors for message handling.
MessageMaps maps = messageProcessing.Build();
messageSerializer.Maps = maps;
hub.Subscribe <ConnectionAddedEvent>(this, e =>
{
StringBuilder entry = new StringBuilder();
entry.AppendLine($"ConnectionAddedEvent: {e.Data.Id}");
entry.AppendLine($" : ExternalIPAddress: {e.Data.ExternalEndpoint}");
entry.AppendLine($" : InternalIPAddress: {e.Data.InternalEndpoint}");
entry.AppendLine($" : Name: {e.Data.Name}");
foreach (System.Net.IPAddress address in e.Data.InternalAddresses)
{
entry.AppendLine($" : Address: {address}");
}
log.LogInformation(entry.ToString());
//var msg = new MessageModel
//{
// Type = "ConnectionAddedEvent",
// Date = DateTime.UtcNow,
// Message = entry.ToString(),
// Data = e
//};
hubContext.Clients.All.SendAsync("Event", e);
});
hub.Subscribe <ConnectionRemovedEvent>(this, e =>
{
log.LogInformation($"ConnectionRemovedEvent: {e.Data.Id}");
log.LogInformation($"ConnectionRemovedEvent: {e.Data.Id}");
if (ConnectedHubs.ContainsKey(e.Data.Id))
{
ConnectedHubs.Remove(e.Data.Id);
}
//var msg = new MessageModel
//{
// Type = "ConnectionRemovedEvent",
// Date = DateTime.UtcNow,
// Message = e.Data.ToString(),
// Data = e.Data
//};
hubContext.Clients.All.SendAsync("Event", e);
});
hub.Subscribe <ConnectionStartedEvent>(this, e =>
{
log.LogInformation($"ConnectionStartedEvent: {e.Endpoint}");
//var msg = new MessageModel
//{
// Type = "ConnectionStartedEvent",
// Date = DateTime.UtcNow,
// Message = e.Endpoint.ToString(),
// Data = e.Endpoint.ToString()
//};
hubContext.Clients.All.SendAsync("Event", e);
});
hub.Subscribe <ConnectionStartingEvent>(this, e =>
{
log.LogInformation($"ConnectionStartingEvent: {e.Data.Id}");
//var msg = new MessageModel
//{
// Type = "ConnectionStartingEvent",
// Date = DateTime.UtcNow,
// Message = e.Data.Id.ToString(),
// Data = e.Data.Id.ToString()
//};
hubContext.Clients.All.SendAsync("Event", e);
});
hub.Subscribe <ConnectionUpdatedEvent>(this, e =>
{
log.LogInformation($"ConnectionUpdatedEvent: {e.Data.Id}");
//var msg = new MessageModel
//{
// Type = "ConnectionUpdatedEvent",
// Date = DateTime.UtcNow,
// Message = e.Data.Id.ToString(),
// Data = e.Data.Id
//};
hubContext.Clients.All.SendAsync("Event", e);
// Automatically connect to discovered hubs.
if (LocalHubInfo.Id != e.Data.Id)
{
ConnectToClient(e.Data);
}
});
hub.Subscribe <GatewayConnectedEvent>(this, e =>
{
log.LogInformation("Connected to Gateway");
//var msg = new MessageModel
//{
// Type = "GatewayConnectedEvent",
// Date = DateTime.UtcNow,
// Message = "",
// Data = ""
//};
hubContext.Clients.All.SendAsync("Event", e);
});
hub.Subscribe <GatewayShutdownEvent>(this, e =>
{
log.LogInformation("Disconnected from Gateway");
//var msg = new MessageModel
//{
// Type = "GatewayShutdownEvent",
// Date = DateTime.UtcNow,
// Message = "",
// Data = ""
//};
hubContext.Clients.All.SendAsync("Event", e);
});
hub.Subscribe <HubInfoEvent>(this, e =>
{
//var msg = new MessageModel
//{
// Type = "HubInfoEvent",
// Date = DateTime.UtcNow,
// Message = e.Data.ToString(),
// Data = e.Data
//};
//if (e.Data.Id == Identity.Id)
//{
// return;
//}
AvailableHubs.Add(e.Data.Id, new HubInfo(e.Data));
hubContext.Clients.All.SendAsync("Event", e);
});
hub.Subscribe <MessageReceivedEvent>(this, e =>
{
log.LogInformation($"MessageReceivedEvent: {e.Data.Content}");
//var msg = new MessageModel
//{
// Type = "MessageReceivedEvent",
// Date = DateTime.UtcNow,
// Message = e.Data.Content,
// Data = e.Data.Content
//};
hubContext.Clients.All.SendAsync("Event", e);
});
hub.Subscribe <GatewayErrorEvent>(this, e =>
{
log.LogInformation($"GatewayErrorEvent: {e.Message}");
//var msg = new MessageModel
//{
// Type = "GatewayErrorEvent",
// Date = DateTime.UtcNow,
// Message = e.Message,
// Data = e.Message
//};
hubContext.Clients.All.SendAsync("Event", e);
});
Task.Run(async() =>
{
try
{
bool connectedToGateway = false;
while (!cancellationToken.IsCancellationRequested)
{
//Task tcpTask = Task.Run(() =>
//{
// TcpWorker(cancellationToken);
//}, cancellationToken);
//Task udTask = Task.Run(() =>
//{
// UdpWorker(cancellationToken);
//}, cancellationToken);
//Task.WaitAll(new Task[] { tcpTask, udTask }, cancellationToken);
if (!connectedToGateway)
{
connectedToGateway = ConnectGateway();
}
// TODO: This loop will just continue to run after connected to gateway. It should check status and attempt to recycle and reconnect when needed.
Task.Delay(TimeSpan.FromSeconds(retryInterval), cancellationToken).Wait(cancellationToken);
//Task.Delay(TimeSpan.FromSeconds(retryInterval), cancellationToken).Wait(cancellationToken);
//var tokenSource = new CancellationTokenSource();
//cancellationToken.Register(() => { tokenSource.Cancel(); });
//try
//{
// using (IServiceScope scope = scopeFactory.CreateScope())
// {
// Runner runner = scope.ServiceProvider.GetService<Runner>();
// System.Collections.Generic.IEnumerable<Task> runningTasks = runner.RunAll(tokenSource);
// Task.WaitAll(runningTasks.ToArray(), cancellationToken);
// if (cancellationToken.IsCancellationRequested)
// {
// tokenSource.Cancel();
// }
// }
// break;
//}
//catch (OperationCanceledException)
//{
// // do nothing the task was cancel.
// throw;
//}
//catch (AggregateException ae)
//{
// if (ae.Flatten().InnerExceptions.OfType<SyncRestartException>().Any())
// {
// log.LogInformation("Sync: ### - Restart requested - ###");
// log.LogTrace("Sync: Signalling token cancelation");
// tokenSource.Cancel();
// continue;
// }
// foreach (Exception innerException in ae.Flatten().InnerExceptions)
// {
// log.LogError(innerException, "Sync");
// }
// tokenSource.Cancel();
// int retryInterval = 10;
// log.LogWarning($"Unexpected error retry in {retryInterval} seconds");
// //this.tracer.ReadLine();
// // Blokcore Indexer is designed to be idempotent, we want to continue running even if errors are found.
// // so if an unepxected error happened we log it wait and start again
// Task.Delay(TimeSpan.FromSeconds(retryInterval), cancellationToken).Wait(cancellationToken);
// continue;
//}
//catch (Exception ex)
//{
// log.LogError(ex, "Sync");
// break;
//}
}
}
catch (OperationCanceledException)
{
// do nothing the task was cancel.
throw;
}
catch (Exception ex)
{
log.LogError(ex, "Gateway");
throw;
}
}, cancellationToken);
return(Task.CompletedTask);
}