/// <summary>
/// Connects to the specified controller.
/// </summary>
/// <param name="def">The controller to connect to.</param>
/// <returns>True if the connection failed or return a JoinSuccess, false if it returned a JoinFailure.</returns>
private bool ConnectToController(NodeDefinition def)
{
Message message = new Message(def, new JoinAttempt(NodeType.Query, _settings.NodeName, _settings.Port, _settings.ToString()), true)
{
SendWithoutConfirmation = true
};
SendMessage(message);
message.BlockUntilDone();
if (message.Success)
{
if (message.Response.Data is JoinFailure)
{
Logger.Log("Failed to join controllers: " + ((JoinFailure)message.Response.Data).Reason, LogLevel.Error);
AfterStop();
return(false);
}
// success
JoinSuccess successData = (JoinSuccess)message.Response.Data;
Connections[def].ConnectionEstablished(def, NodeType.Controller);
if (successData.Data["PrimaryController"].ValueAsBoolean)
{
Logger.Log("Setting the primary controller to " + message.Address.ConnectionName, LogLevel.Info);
Primary = message.Address;
}
SendMessage(new Message(message.Response, new Acknowledgement(), false));
}
return(true);
}
/// <inheritdoc />
public override void Run()
{
BeforeStart();
List <NodeDefinition> controllerNodes = NodeDefinition.ParseConnectionString(_connectionString);
foreach (var def in controllerNodes)
{
Message message = new Message(def, new JoinAttempt(NodeType.Api, string.Empty, -1, _connectionString), true)
{
SendWithoutConfirmation = true
};
SendMessage(message);
message.BlockUntilDone();
if (message.Success)
{
if (message.Response.Data is JoinFailure)
{
_connected = false;
AfterStop();
return;
}
JoinSuccess successData = (JoinSuccess)message.Response.Data;
Connections[def].ConnectionEstablished(message.Address, NodeType.Controller);
if (successData.Data["PrimaryController"].ValueAsBoolean)
{
Primary = message.Address;
_connected = true;
}
SendMessage(new Message(message.Response, new Acknowledgement(), false));
}
}
}
/// <summary>
/// Connects to a controller.
/// </summary>
/// <param name="target">The target controller to try to connect to.</param>
/// <returns>A value indicating whether the target was connected to.</returns>
private bool ConnectToController(NodeDefinition target)
{
Message message = new Message(target, new JoinAttempt(_self.Hostname, _self.Port, _settings.ToString(), Equals(Primary, Self)), true)
{
SendWithoutConfirmation = true
};
SendMessage(message);
message.BlockUntilDone();
if (message.Success)
{
if (message.Response.Data is JoinFailure)
{
Logger.Log("Failed to join other controllers: " + ((JoinFailure)message.Response.Data).Reason, LogLevel.Error);
return(false);
}
// success
Logger.Log("Connected to controller " + target.ConnectionName, LogLevel.Info);
JoinSuccess success = (JoinSuccess)message.Response.Data;
Connections[target].ConnectionEstablished(target, NodeType.Controller);
if (success.Data["PrimaryController"].ValueAsBoolean)
{
Logger.Log("Setting the primary controller to " + target.ConnectionName, LogLevel.Info);
Primary = target;
}
SendMessage(new Message(message.Response, new Acknowledgement(), false));
}
else
{
Logger.Log("Timeout while trying to connect to " + target.ConnectionName, LogLevel.Info);
}
return(true);
}
