public static ConnectionState FromInternal(InternalConnectionState internalState,
ConnectionState currentState)
{
switch (internalState)
{
case InternalConnectionState.New:
return(ConnectionState.New);
case InternalConnectionState.Success:
return(ConnectionState.Success);
case InternalConnectionState.FailedTry:
return(ConnectionState.FailedTry);
case InternalConnectionState.VersionMatch:
return(currentState);
case InternalConnectionState.VersionMissmatch:
return(ConnectionState.VersionMissmatch);
case InternalConnectionState.ConnectionLost:
return(ConnectionState.ConnectionLost);
case InternalConnectionState.Closing:
return(ConnectionState.Closing);
case InternalConnectionState.Closed:
return(ConnectionState.Closed);
default:
throw new ArgumentException(string.Format("Can't convert unknown state '{0}'", internalState),
"internalState");
}
}
private void SetState(InternalConnectionState newState)
{
lock (_stateMutex)
{
if (_state == InternalConnectionState.Broken)
{
throw new ArgumentException("Cannot change internal connection state as it is Broken");
}
_state = newState;
}
}
private bool TrySetState(InternalConnectionState newState, Func <InternalConnectionState, bool> predicate)
{
lock (_stateMutex)
{
if (_state == InternalConnectionState.Broken || !predicate(_state))
{
return(false);
}
_state = newState;
return(true);
}
}
/// <summary>
/// Sets the state of the <see cref="WcfClientInfo"/> and increases the tries
/// </summary>
private void SetClientInfoState(WcfClientInfo clientInfo, InternalConnectionState internalState)
{
var newState = StateTransformer.FromInternal(internalState, clientInfo.State);
if (clientInfo.State == newState)
{
clientInfo.Tries++;
}
else
{
clientInfo.State = newState;
clientInfo.Tries = 1;
}
RaiseClientInfoChanged(clientInfo);
}
private void SetState(InternalConnectionState newState)
{
lock (_stateMutex)
{
//if the connection's state is broken, it can't get any more broken!
if (_state == newState)
{
return;
}
if (_state == InternalConnectionState.Broken)
{
throw new ArgumentException("Cannot change internal connection state as it is Broken");
}
_state = newState;
}
}
/// <summary>
/// Handles the state of the connection.
/// </summary>
private void HandleConnectionState(MonitoredClient client, InternalConnectionState newState)
{
var oldState = client.State;
client.State = newState;
SetClientInfoState(client.ClientInfo, newState);
// Only report state changes if the state has changed
if (newState == oldState)
{
return;
}
if ((oldState == InternalConnectionState.New && newState == InternalConnectionState.FailedTry) ||
(newState == InternalConnectionState.ConnectionLost) || (newState == InternalConnectionState.Closed))
{
RaiseClientDisconnected(client.ServiceName);
}
if (!client.Destroy)
{
_threadContext.Invoke(() => InvokeCreateClient(client));
}
}
