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Improve SSE response handling and URI construction in SseClientSessio… (#251)

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token 2025-04-09 23:33:49 +08:00 • committed by GitHub
commit cae5dff318
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1 changed files with 5 additions and 7 deletions
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12
src/ModelContextProtocol/Protocol/Transport/SseClientSessionTransport.cs
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@ -115,7 +115,7 @@ internal sealed class SseClientSessionTransport : TransportBase
if (message is JsonRpcRequest request && request.Method == RequestMethods.Initialize)
{
// If the response is not a JSON-RPC response, it is an SSE message
if (responseContent.Equals("accepted", StringComparison.OrdinalIgnoreCase))
if (string.IsNullOrEmpty(responseContent) || responseContent.Equals("accepted", StringComparison.OrdinalIgnoreCase))
{
_logger.SSETransportPostAccepted(_endpointName, messageId);
// The response will arrive as an SSE message
@ -133,7 +133,7 @@ internal sealed class SseClientSessionTransport : TransportBase
}
// Otherwise, check if the response was accepted (the response will come as an SSE message)
if (responseContent.Equals("accepted", StringComparison.OrdinalIgnoreCase))
if (string.IsNullOrEmpty(responseContent) || responseContent.Equals("accepted", StringComparison.OrdinalIgnoreCase))
{
_logger.SSETransportPostAccepted(_endpointName, messageId);
}
@ -294,13 +294,11 @@ internal sealed class SseClientSessionTransport : TransportBase
else
{
// If the endpoint is a relative URI, we need to combine it with the relative path of the SSE endpoint
var hostUrl = _sseEndpoint.AbsoluteUri;
if (hostUrl.EndsWith("/sse", StringComparison.Ordinal))
hostUrl = hostUrl[..^4];
var baseUriBuilder = new UriBuilder(_sseEndpoint);
var endpointUri = $"{hostUrl.TrimEnd('/')}/{data.TrimStart('/')}";
_messageEndpoint = new Uri(endpointUri);
// Instead of manually concatenating strings, use the Uri class's composition capabilities
_messageEndpoint = new Uri(baseUriBuilder.Uri, data);
}
// Set connected state