public override async Task OnConnectedAsync(ConnectionContext connection)
{
// We check to see if HubOptions<THub> are set because those take precedence over global hub options.
// Then set the keepAlive and handshakeTimeout values to the defaults in HubOptionsSetup incase they were explicitly set to null.
var keepAlive = _hubOptions.KeepAliveInterval ?? _globalHubOptions.KeepAliveInterval ?? HubOptionsSetup.DefaultKeepAliveInterval;
var handshakeTimeout = _hubOptions.HandshakeTimeout ?? _globalHubOptions.HandshakeTimeout ?? HubOptionsSetup.DefaultHandshakeTimeout;
var supportedProtocols = _hubOptions.SupportedProtocols ?? _globalHubOptions.SupportedProtocols;
if (supportedProtocols != null && supportedProtocols.Count == 0)
{
throw new InvalidOperationException("There are no supported protocols");
}
Log.ConnectedStarting(_logger);
var connectionContext = new HubConnectionContext(connection, keepAlive, _loggerFactory);
var resolvedSupportedProtocols = (supportedProtocols as IReadOnlyList <string>) ?? supportedProtocols.ToList();
if (!await connectionContext.HandshakeAsync(handshakeTimeout, resolvedSupportedProtocols, _protocolResolver, _userIdProvider, _enableDetailedErrors))
{
return;
}
try
{
await _lifetimeManager.OnConnectedAsync(connectionContext);
await RunHubAsync(connectionContext);
}
finally
{
Log.ConnectedEnding(_logger);
await _lifetimeManager.OnDisconnectedAsync(connectionContext);
}
}
/// <inheritdoc />
public override async Task OnConnectedAsync(ConnectionContext connection)
{
// We check to see if HubOptions<THub> are set because those take precedence over global hub options.
// Then set the keepAlive and handshakeTimeout values to the defaults in HubOptionsSetup when they were explicitly set to null.
var supportedProtocols = _hubOptions.SupportedProtocols ?? _globalHubOptions.SupportedProtocols;
if (supportedProtocols == null || supportedProtocols.Count == 0)
{
throw new InvalidOperationException("There are no supported protocols");
}
var handshakeTimeout = _hubOptions.HandshakeTimeout ?? _globalHubOptions.HandshakeTimeout ?? HubOptionsSetup.DefaultHandshakeTimeout;
var contextOptions = new HubConnectionContextOptions()
{
KeepAliveInterval = _hubOptions.KeepAliveInterval ?? _globalHubOptions.KeepAliveInterval ?? HubOptionsSetup.DefaultKeepAliveInterval,
ClientTimeoutInterval = _hubOptions.ClientTimeoutInterval ?? _globalHubOptions.ClientTimeoutInterval ?? HubOptionsSetup.DefaultClientTimeoutInterval,
StreamBufferCapacity = _hubOptions.StreamBufferCapacity ?? _globalHubOptions.StreamBufferCapacity ?? HubOptionsSetup.DefaultStreamBufferCapacity,
MaximumReceiveMessageSize = _maximumMessageSize,
SystemClock = SystemClock,
MaximumParallelInvocations = _maxParallelInvokes,
};
Log.ConnectedStarting(_logger);
var connectionContext = new HubConnectionContext(connection, contextOptions, _loggerFactory);
var resolvedSupportedProtocols = (supportedProtocols as IReadOnlyList <string>) ?? supportedProtocols.ToList();
if (!await connectionContext.HandshakeAsync(handshakeTimeout, resolvedSupportedProtocols, _protocolResolver, _userIdProvider, _enableDetailedErrors))
{
return;
}
// -- the connectionContext has been set up --
try
{
await _lifetimeManager.OnConnectedAsync(connectionContext);
await RunHubAsync(connectionContext);
}
finally
{
connectionContext.Cleanup();
Log.ConnectedEnding(_logger);
await _lifetimeManager.OnDisconnectedAsync(connectionContext);
}
}