private void _spreadConnection_OnMembershipMessage(SpreadMessage msg)
{
MembershipInfo info = msg.MembershipInfo;
SpreadGroup group = info.Group;
if (info.IsRegularMembership)
{
SpreadGroup[] members = info.Members;
Console.WriteLine($"Regular membership for {group.ToString()} with {members.Length} members:");
for (int i = 0; i < members.Length; i++)
{
Console.WriteLine($"\t {members[i]}");
}
Console.WriteLine($"GroupID: {info.GroupID}");
}
SpreadGroup Sender;
if (info.IsCausedByDisconnect)
{
Sender = info.Disconnected;
Console.WriteLine($"{Sender} has disconnected ...");
isDisconnected = true;
_delegate = new InformClientOfChange(NotifyClient);
_delegate.Invoke(ServerOptions.IPAddress, ServerOptions.Port);
}
if (info.IsCausedByLeave)
{
Sender = info.Left;
Console.WriteLine($"{Sender} has left ...");
isDisconnected = true;
_delegate = new InformClientOfChange(NotifyClient);
_delegate.Invoke(ServerOptions.IPAddress, ServerOptions.Port);
}
if (info.IsCausedByJoin)
{
Sender = info.Joined;
Console.WriteLine($"{Sender} has joined ...");
if (isInitState)
{
#region Set Primary
Console.WriteLine("Setting Primary Server ...");
int highestPort = _configurationManager.ServerGroups.ToList().Max();
if (ServerOptions.Port.Equals(highestPort))
{
ServerOptions.IsPrimary = true;
Console.WriteLine("I am the primary server ...");
}
else
{
ServerOptions.IsPrimary = false;
Console.WriteLine("I am the backup server ...");
}
#endregion
}
else
{
//receive full state
}
//_delegate = new InformClientOfChange(NotifyClient);
//_delegate.Invoke(ServerOptions.IPAddress, ServerOptions.Port);
}
}
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
Console.WriteLine($"Server running at: {DateTimeOffset.Now}");
#region comments
//while (true)
//{
// if (ServerOptions.IsPrimary)
// {
// //init heartbeat
// //start receiving data from the clients
// //store data in text file
// //send SpreadMessage to the group
// while (true)
// {
// Console.WriteLine("Sending data");
// //var data = new { Id = 1, address = "akka.net.address", name = "uniqueName" };
// var data = $"test";
// //byte[] dataForSpreadMessage = Encoding.ASCII.GetBytes($"{data.Id}|{data.address}|{data.name}");
// _spreadService.SendSpreadMessage(data);
// Thread.Sleep(2000);
// }
// //await and ACK
// _spreadService._spreadConnection.OnRegularMessage += _spreadConnection_OnRegularMessage;
// _spreadService._spreadConnection.OnMembershipMessage += _spreadConnection_OnMembershipMessage;
// //reply to client
// await Task.Delay(1000, stoppingToken);
// }
// else
// {
// //init hearbeat
// Console.WriteLine("Listening for messages...");
// if(_spreadService._spreadConnection.Poll())
// {
// var msg = _spreadService.ReceiveSpreadMessage();
// if (msg.MembershipInfo.IsCausedByLeave || msg.MembershipInfo.IsCausedByDisconnect)
// {
// ServerOptions.IsPrimary = true;
// NotifyChangeToClients();
// }
// else
// {
// if (_spreadService._spreadConnection.Poll())
// {
// //update local storage
// //send ack
// _spreadService.SendACK();
// }
// }
// }
// else
// {
// await Task.Delay(2000, stoppingToken);
// continue;
// }
// }
//}
#endregion
if (isDisconnected)
{
_delegate = new InformClientOfChange(NotifyClient);
_delegate = NotifyClient;
}
await Task.Delay(2000, stoppingToken);
}
