public WebSocketConnection(WebSocketSettings settings)
{
_client = new ClientWebSocket();
#if NET6_0_OR_GREATER
if (settings.UseCompression)
{
_client.Options.DangerousDeflateOptions = settings.CompressionOptions;
}
#endif
settings.WebSocketConfigurationCallback?.Invoke(_client.Options);
}
public Connection(Uri uri, string username, string password, IMessageSerializer messageSerializer,
WebSocketSettings webSocketSettings, string sessionId)
{
_uri = uri;
_username = username;
_password = password;
_sessionId = sessionId;
if (!string.IsNullOrEmpty(sessionId))
{
_sessionEnabled = true;
}
_messageSerializer = messageSerializer;
_webSocketConnection = new WebSocketConnection(webSocketSettings);
}
/// <summary>
/// Initializes a new instance of the <see cref="GremlinClient" /> class for the specified Gremlin Server.
/// </summary>
/// <param name="gremlinServer">The <see cref="GremlinServer" /> the requests should be sent to.</param>
/// <param name="messageSerializer">
/// A <see cref="IMessageSerializer" /> instance to serialize messages sent to and received
/// from the server.
/// </param>
/// <param name="connectionPoolSettings">The <see cref="ConnectionPoolSettings" /> for the connection pool.</param>
/// <param name="webSocketConfiguration">
/// A delegate that will be invoked with the <see cref="ClientWebSocketOptions" />
/// object used to configure WebSocket connections.
/// </param>
/// <param name="sessionId">The session Id if Gremlin Client in session mode, defaults to null as session-less Client.</param>
/// <param name="disableCompression">
/// Whether to disable compression. Compression is only supported since .NET 6.
/// There it is also enabled by default.
///
/// Note that compression might make your application susceptible to attacks like CRIME/BREACH. Compression
/// should therefore be turned off if your application sends sensitive data to the server as well as data
/// that could potentially be controlled by an untrusted user.
/// </param>
public GremlinClient(GremlinServer gremlinServer, IMessageSerializer messageSerializer = null,
ConnectionPoolSettings connectionPoolSettings = null,
Action <ClientWebSocketOptions> webSocketConfiguration = null, string sessionId = null,
bool disableCompression = false)
{
messageSerializer ??= new GraphSON3MessageSerializer();
var webSocketSettings = new WebSocketSettings
{
WebSocketConfigurationCallback = webSocketConfiguration
#if NET6_0_OR_GREATER
, UseCompression = !disableCompression
#endif
};
var connectionFactory =
new ConnectionFactory(gremlinServer, messageSerializer, webSocketSettings, sessionId);
// make sure one connection in pool as session mode
if (!string.IsNullOrEmpty(sessionId))
{
if (connectionPoolSettings != null)
{
if (connectionPoolSettings.PoolSize != 1)
{
throw new ArgumentOutOfRangeException(nameof(connectionPoolSettings),
"PoolSize must be 1 in session mode!");
}
}
else
{
connectionPoolSettings = new ConnectionPoolSettings {
PoolSize = 1
};
}
}
_connectionPool =
new ConnectionPool(connectionFactory, connectionPoolSettings ?? new ConnectionPoolSettings());
}