/// <summary>
/// Initializes a new instance of the <see cref="HubConnectionContext"/> class.
/// </summary>
/// <param name="connectionContext">The underlying <see cref="ConnectionContext"/>.</param>
/// <param name="loggerFactory">The logger factory.</param>
/// <param name="contextOptions">The options to configure the HubConnectionContext.</param>
public HubConnectionContext(ConnectionContext connectionContext, HubConnectionContextOptions contextOptions, ILoggerFactory loggerFactory)
{
_keepAliveInterval = contextOptions.KeepAliveInterval.Ticks;
_clientTimeoutInterval = contextOptions.ClientTimeoutInterval.Ticks;
_streamBufferCapacity = contextOptions.StreamBufferCapacity;
_maxMessageSize = contextOptions.MaximumReceiveMessageSize;
_connectionContext = connectionContext;
_logger = loggerFactory.CreateLogger <HubConnectionContext>();
ConnectionAborted = _connectionAbortedTokenSource.Token;
_closedRegistration = connectionContext.ConnectionClosed.Register((state) => ((HubConnectionContext)state !).Abort(), this);
HubCallerContext = new DefaultHubCallerContext(this);
_systemClock = contextOptions.SystemClock ?? new SystemClock();
_lastSendTimeStamp = _systemClock.UtcNowTicks;
// We'll be avoiding using the semaphore when the limit is set to 1, so no need to allocate it
var maxInvokeLimit = contextOptions.MaximumParallelInvocations;
if (maxInvokeLimit != 1)
{
ActiveInvocationLimit = new SemaphoreSlim(maxInvokeLimit, maxInvokeLimit);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="HubConnectionContext"/> class.
/// </summary>
/// <param name="connectionContext">The underlying <see cref="ConnectionContext"/>.</param>
/// <param name="loggerFactory">The logger factory.</param>
/// <param name="contextOptions">The options to configure the HubConnectionContext.</param>
public HubConnectionContext(ConnectionContext connectionContext, HubConnectionContextOptions contextOptions, ILoggerFactory loggerFactory)
{
_keepAliveInterval = contextOptions.KeepAliveInterval.Ticks;
_clientTimeoutInterval = contextOptions.ClientTimeoutInterval.Ticks;
_streamBufferCapacity = contextOptions.StreamBufferCapacity;
_connectionContext = connectionContext;
_logger = loggerFactory.CreateLogger <HubConnectionContext>();
ConnectionAborted = _connectionAbortedTokenSource.Token;
}
/// <summary>
/// Initializes a new instance of the <see cref="HubConnectionContext"/> class.
/// </summary>
/// <param name="connectionContext">The underlying <see cref="ConnectionContext"/>.</param>
/// <param name="loggerFactory">The logger factory.</param>
/// <param name="contextOptions">The options to configure the HubConnectionContext.</param>
public HubConnectionContext(ConnectionContext connectionContext, HubConnectionContextOptions contextOptions, ILoggerFactory loggerFactory)
{
_keepAliveInterval = (long)contextOptions.KeepAliveInterval.TotalMilliseconds;
_clientTimeoutInterval = (long)contextOptions.ClientTimeoutInterval.TotalMilliseconds;
_streamBufferCapacity = contextOptions.StreamBufferCapacity;
_maxMessageSize = contextOptions.MaximumReceiveMessageSize;
_connectionContext = connectionContext;
_logger = loggerFactory.CreateLogger <HubConnectionContext>();
ConnectionAborted = _connectionAbortedTokenSource.Token;
_closedRegistration = connectionContext.ConnectionClosed.Register(static (state) => ((HubConnectionContext)state !).Abort(), this);
/// <summary>
/// Initializes a new instance of the <see cref="HubConnectionContext"/> class.
/// </summary>
/// <param name="connectionContext">The underlying <see cref="ConnectionContext"/>.</param>
/// <param name="loggerFactory">The logger factory.</param>
/// <param name="contextOptions">The options to configure the HubConnectionContext.</param>
public HubConnectionContext(ConnectionContext connectionContext, HubConnectionContextOptions contextOptions, ILoggerFactory loggerFactory)
{
_keepAliveInterval = contextOptions.KeepAliveInterval.Ticks;
_clientTimeoutInterval = contextOptions.ClientTimeoutInterval.Ticks;
_streamBufferCapacity = contextOptions.StreamBufferCapacity;
_maxMessageSize = contextOptions.MaximumReceiveMessageSize;
_connectionContext = connectionContext;
_logger = loggerFactory.CreateLogger <HubConnectionContext>();
ConnectionAborted = _connectionAbortedTokenSource.Token;
HubCallerContext = new DefaultHubCallerContext(this);
}
/// <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);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="HubConnectionContext"/> class.
/// </summary>
/// <param name="connectionContext">The underlying <see cref="ConnectionContext"/>.</param>
/// <param name="loggerFactory">The logger factory.</param>
/// <param name="contextOptions">The options to configure the HubConnectionContext.</param>
public HubConnectionContext(ConnectionContext connectionContext, HubConnectionContextOptions contextOptions, ILoggerFactory loggerFactory)
{
_keepAliveInterval = contextOptions.KeepAliveInterval.Ticks;
_clientTimeoutInterval = contextOptions.ClientTimeoutInterval.Ticks;
_streamBufferCapacity = contextOptions.StreamBufferCapacity;
_maxMessageSize = contextOptions.MaximumReceiveMessageSize;
_connectionContext = connectionContext;
_logger = loggerFactory.CreateLogger <HubConnectionContext>();
ConnectionAborted = _connectionAbortedTokenSource.Token;
_closedRegistration = connectionContext.ConnectionClosed.Register((state) => ((HubConnectionContext)state !).Abort(), this);
HubCallerContext = new DefaultHubCallerContext(this);
_systemClock = contextOptions.SystemClock ?? new SystemClock();
_lastSendTimeStamp = _systemClock.UtcNowTicks;
}
/// <summary>
/// Initializes a new instance of the <see cref="HubConnectionContext"/> class.
/// </summary>
/// <param name="connectionContext">The underlying <see cref="ConnectionContext"/>.</param>
/// <param name="loggerFactory">The logger factory.</param>
/// <param name="contextOptions">The options to configure the HubConnectionContext.</param>
public HubConnectionContext(ConnectionContext connectionContext, HubConnectionContextOptions contextOptions, ILoggerFactory loggerFactory)
{
_keepAliveInterval = contextOptions.KeepAliveInterval.Ticks;
_clientTimeoutInterval = contextOptions.ClientTimeoutInterval.Ticks;
_streamBufferCapacity = contextOptions.StreamBufferCapacity;
_maxMessageSize = contextOptions.MaximumReceiveMessageSize;
_connectionContext = connectionContext;
_logger = loggerFactory.CreateLogger <HubConnectionContext>();
ConnectionAborted = _connectionAbortedTokenSource.Token;
HubCallerContext = new DefaultHubCallerContext(this);
if (AppContext.TryGetSwitch("Microsoft.AspNetCore.SignalR.UseAbsoluteClientTimeout", out var useAbsoluteClientTimeout))
{
_useAbsoluteClientTimeout = useAbsoluteClientTimeout;
}
}
