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Move GetSessionID closure into ServerOptions (#488)

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Fixes: #478.
This commit is contained in:
Friedrich Große 2025-09-18 18:21:02 +02:00 • committed by GitHub
commit 02f0b25286
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1 changed files with 34 additions and 23 deletions
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15
mcp/streamable.go
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@ -50,16 +50,6 @@ type StreamableHTTPHandler struct {
// StreamableHTTPOptions configures the StreamableHTTPHandler.
type StreamableHTTPOptions struct {
// GetSessionID provides the next session ID to use for an incoming request.
// If nil, a default randomly generated ID will be used.
//
// Session IDs should be globally unique across the scope of the server,
// which may span multiple processes in the case of distributed servers.
//
// As a special case, if GetSessionID returns the empty string, the
// Mcp-Session-Id header will not be set.
GetSessionID func() string
// Stateless controls whether the session is 'stateless'.
//
// A stateless server does not validate the Mcp-Session-Id header, and uses a
@ -92,9 +82,6 @@ func NewStreamableHTTPHandler(getServer func(*http.Request) *Server, opts *Strea
if opts != nil {
h.opts = *opts
}
if h.opts.GetSessionID == nil {
h.opts.GetSessionID = randText
}
return h
}
@ -233,7 +220,7 @@ func (h *StreamableHTTPHandler) ServeHTTP(w http.ResponseWriter, req *http.Reque
if sessionID == "" {
// In stateless mode, sessionID may be nonempty even if there's no
// existing transport.
sessionID = h.opts.GetSessionID()
sessionID = server.opts.GetSessionID()
}
transport = &StreamableServerTransport{
SessionID: sessionID,