public IConfigurationSession OpenConfigurationSession(IClientAuthenticationCredential credentials)
{
this.credentials = credentials;
try
{
_session = new OutProcConfigurationSession(_serviceURI, _channel, credentials, _channelFormatter);
_session.IsDatabaseSession = isDatabaseClient;
_session.IsDistributorSession = isDistributorClient;
_session.IsConfigurationSession = isConfigurationClient;
ServerAuthenticationCredenital = _session.Authenticate(credentials);
_session.Channel.IsAuthenticated = ServerAuthenticationCredenital.IsAuthenticated;
_session.SessionType = _sessionType;
if (ServerAuthenticationCredenital.IsAuthenticated)
{
DetermineSecondaryConfigurationServer();
_session.SessionId = ServerAuthenticationCredenital.SessionId;
return(_session);
}
else
{
throw new Alachisoft.NosDB.Common.Security.SecurityException(ErrorCodes.Security.USER_NOT_REGISTERED, new string[1] {
credentials.UserName
});
}
}
catch (Exception ex)
{
_channel.Disconnect();
throw;
}
}
private bool ConnectToPeerServer(bool changeRole = true)
{
if (IsClustered)
{
try
{
DatabaseRPCService rpcService = new DatabaseRPCService(_peerNode.Name);
IConfigurationServer remoteCfgServer = rpcService.GetConfigurationServer(new TimeSpan(0, 1, 30), Common.Communication.SessionTypes.Client, new ConfigurationChannelFormatter());
((OutProcConfigurationClient)remoteCfgServer).AutoReconnect = false;
remoteCfgServer.MarkConfiguraitonSession();
OutProcConfigurationSession session = remoteCfgServer.OpenConfigurationSession(new SSPIClientAuthenticationCredential()) as OutProcConfigurationSession;
session.SetChannelDisconnectedListener(this);
session.AutoReconnect = false;
session.MarkSessionInternal();
_session = session;
if (LoggerManager.Instance.CONDBLogger != null && LoggerManager.Instance.CONDBLogger.IsInfoEnabled)
{
LoggerManager.Instance.CONDBLogger.Info("ConfigurationCluster.Connect", "connected with peer server " + _peerNode.Name);
}
}
catch (Exception e)
{
//if (LoggerManager.Instance.CONDBLogger != null && LoggerManager.Instance.CONDBLogger.IsErrorEnabled)
// LoggerManager.Instance.CONDBLogger.Error("ConfigurationCluster.Connect", e.ToString());
}
}
if (changeRole)
{
DetermineRole();
if (_currentRole == NodeRole.Secondary)
{
if (_configuration != null)
{
ServerNode localNode = _configuration.Servers.GetNode(_localServerIP);
if (_peerNode != null && _peerNode.Priority > localNode.Priority)
{
//Let's take over
TakeOverPrimaryRole();
}
else
{
//Need to replicate state from peer node
ReplicateStateFromPeerServer();
}
}
_status.SetStatusBit(RUNNING, UNINITIIALIZED);
}
}
return(_session != null);
}
public void ChannelDisconnected(IRequestResponseChannel channel, string reason)
{
if (_disposed)
{
return;
}
lock (this)
{
_session = null;
//Try to re-connect immediately.
if (ConnectToPeerServer(false))
{
return;
}
//In case we are unable to reconnect
DetermineRole();
ConnectInBackground();
}
}
