public static Task ConnectTaskAsync(this BandClientManager manager, BandClient client)
{
var tcs = new TaskCompletionSource <object> ();
EventHandler <ClientManagerConnectedEventArgs> onConnected = null;
EventHandler <ClientManagerDisconnectedEventArgs> onDisconnect = null;
EventHandler <ClientManagerFailedToConnectEventArgs> onFailed = null;
// setup the completed event
onConnected = (sender, args) => {
if (args.Client == client)
{
manager.Connected -= onConnected;
manager.Disconnected -= onDisconnect;
manager.ConnectionFailed -= onFailed;
// we are finished
tcs.SetResult(null);
}
};
manager.Connected += onConnected;
// setup the canceled event
onDisconnect = (sender, args) => {
if (args.Client == client)
{
manager.Connected -= onConnected;
manager.Disconnected -= onDisconnect;
manager.ConnectionFailed -= onFailed;
// we were canceled
tcs.SetCanceled();
}
};
manager.Disconnected += onDisconnect;
// setup the failed event
onFailed = (sender, args) => {
if (args.Client == client)
{
manager.Connected -= onConnected;
manager.Disconnected -= onDisconnect;
manager.ConnectionFailed -= onFailed;
// we failed
tcs.SetException(new BandException(args.Error));
}
};
manager.ConnectionFailed += onFailed;
// run async
manager.ConnectAsync(client);
return(tcs.Task);
}
public static Task DisconnectTaskAsync(this BandClientManager manager, BandClient client)
{
var tcs = new TaskCompletionSource <object> ();
// setup the disconnected event
EventHandler <ClientManagerDisconnectedEventArgs> onDisconnect = null;
onDisconnect = (sender, args) => {
if (args.Client == client)
{
manager.Disconnected -= onDisconnect;
// we were disconnected (success)
tcs.SetResult(null);
}
};
manager.Disconnected += onDisconnect;
// run async
manager.ConnectAsync(client);
return(tcs.Task);
}
public static Task ConnectTaskAsync(this BandClientManager manager, BandClient client)
{
// short circuit becuase if we are already connected
// then the delegate won't get fired
if (client.IsConnected)
{
return(Task.FromResult <object> (null));
}
var tcs = new TaskCompletionSource <object> ();
EventHandler <ClientManagerConnectedEventArgs> onConnected = null;
EventHandler <ClientManagerDisconnectedEventArgs> onDisconnect = null;
EventHandler <ClientManagerFailedToConnectEventArgs> onFailed = null;
// setup the completed event
onConnected = (sender, args) => {
if (args.Client == client)
{
manager.Connected -= onConnected;
manager.Disconnected -= onDisconnect;
manager.ConnectionFailed -= onFailed;
// we are finished
tcs.SetResult(null);
}
};
manager.Connected += onConnected;
// setup the canceled event
onDisconnect = (sender, args) => {
if (args.Client == client)
{
manager.Connected -= onConnected;
manager.Disconnected -= onDisconnect;
manager.ConnectionFailed -= onFailed;
// we were canceled
tcs.SetCanceled();
}
};
manager.Disconnected += onDisconnect;
// setup the failed event
onFailed = (sender, args) => {
if (args.Client == client)
{
manager.Connected -= onConnected;
manager.Disconnected -= onDisconnect;
manager.ConnectionFailed -= onFailed;
// we failed
tcs.SetException(new BandException(args.Error));
}
};
manager.ConnectionFailed += onFailed;
// run async
manager.ConnectAsync(client);
return(tcs.Task);
}
