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Fix slow shutdown when a Streamable HTTP client is connected (#843)

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* Add "Async" suffix to async methods
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Stephen Halter 2025-10-10 17:50:57 -07:00 • committed by GitHub
commit e01edc143a
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1 changed files with 103 additions and 43 deletions
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8
src/ModelContextProtocol.Core/Server/StreamableHttpServerTransport.cs
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@ -43,14 +43,14 @@ public sealed class StreamableHttpServerTransport : ITransport
/// <summary>
/// Configures whether the transport should be in stateless mode that does not require all requests for a given session
/// to arrive to the same ASP.NET Core application process. Unsolicited server-to-client messages are not supported in this mode,
/// so calling <see cref="HandleGetRequest(Stream, CancellationToken)"/> results in an <see cref="InvalidOperationException"/>.
/// so calling <see cref="HandleGetRequestAsync(Stream, CancellationToken)"/> results in an <see cref="InvalidOperationException"/>.
/// Server-to-client requests are also unsupported, because the responses may arrive at another ASP.NET Core application process.
/// Client sampling and roots capabilities are also disabled in stateless mode, because the server cannot make requests.
/// </summary>
public bool Stateless { get; init; }
/// <summary>
/// Gets a value indicating whether the execution context should flow from the calls to <see cref="HandlePostRequest(JsonRpcMessage, Stream, CancellationToken)"/>
/// Gets a value indicating whether the execution context should flow from the calls to <see cref="HandlePostRequestAsync(JsonRpcMessage, Stream, CancellationToken)"/>
/// to the corresponding <see cref="JsonRpcMessageContext.ExecutionContext"/> property contained in the <see cref="JsonRpcMessage"/> instances returned by the <see cref="MessageReader"/>.
/// </summary>
/// <remarks>
@ -76,7 +76,7 @@ public sealed class StreamableHttpServerTransport : ITransport
/// <param name="sseResponseStream">The response stream to write MCP JSON-RPC messages as SSE events to.</param>
/// <param name="cancellationToken">The <see cref="CancellationToken"/> to monitor for cancellation requests. The default is <see cref="CancellationToken.None"/>.</param>
/// <returns>A task representing the send loop that writes JSON-RPC messages to the SSE response stream.</returns>
public async Task HandleGetRequest(Stream sseResponseStream, CancellationToken cancellationToken = default)
public async Task HandleGetRequestAsync(Stream sseResponseStream, CancellationToken cancellationToken = default)
{
Throw.IfNull(sseResponseStream);
@ -111,7 +111,7 @@ public sealed class StreamableHttpServerTransport : ITransport
/// If 's an authenticated <see cref="ClaimsPrincipal"/> sent the message, that can be included in the <see cref="JsonRpcMessage.Context"/>.
/// No other part of the context should be set.
/// </para>
public async Task<bool> HandlePostRequest(JsonRpcMessage message, Stream responseStream, CancellationToken cancellationToken = default)
public async Task<bool> HandlePostRequestAsync(JsonRpcMessage message, Stream responseStream, CancellationToken cancellationToken = default)
{
Throw.IfNull(message);
Throw.IfNull(responseStream);