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Add options in Transport.send method (#408)

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Add support for `TransportSendOptions` in `Transport.send` method

## Motivation and Context
This change extends the `Transport.send` method signature to support
advanced transport features like resumption tokens and progress
callbacks. This is needed to enable:
- Long-running request resumption after reconnection
- Request-response association tracking
- Progress token handling in transport layer

needed for #235 

## How Has This Been Tested?
All transport tests passed

## Breaking Changes
Yes, it’s necessary to update the custom Transport implementations.
For users who rely on the transports provided by the sdk, there’s no
breaking change

## Types of changes
- [x] Bug fix (non-breaking change which fixes an issue)
- [x] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)
- [ ] Documentation update

## Checklist
- [x] I have read the [MCP
Documentation](https://modelcontextprotocol.io)
- [x] My code follows the repository's style guidelines
- [x] New and existing tests pass locally
- [x] I have added appropriate error handling
- [x] I have added or updated documentation as needed
This commit is contained in:
Pavel Gorgulov 2025-11-20 20:17:15 +01:00 • committed by GitHub
commit 2b9dfd9466
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GPG key ID: B5690EEEBB952194
1 changed files with 186 additions and 63 deletions
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4
kotlin-sdk-server/api/kotlin-sdk-server.api
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@ -136,14 +136,14 @@ public final class io/modelcontextprotocol/kotlin/sdk/server/SseServerTransport
public final fun getSessionId ()Ljava/lang/String;
public final fun handleMessage (Ljava/lang/String;Lkotlin/coroutines/Continuation;)Ljava/lang/Object;
public final fun handlePostMessage (Lio/ktor/server/application/ApplicationCall;Lkotlin/coroutines/Continuation;)Ljava/lang/Object;
public fun send (Lio/modelcontextprotocol/kotlin/sdk/types/JSONRPCMessage;Lkotlin/coroutines/Continuation;)Ljava/lang/Object;
public fun send (Lio/modelcontextprotocol/kotlin/sdk/types/JSONRPCMessage;Lio/modelcontextprotocol/kotlin/sdk/shared/TransportSendOptions;Lkotlin/coroutines/Continuation;)Ljava/lang/Object;
public fun start (Lkotlin/coroutines/Continuation;)Ljava/lang/Object;
}
public final class io/modelcontextprotocol/kotlin/sdk/server/StdioServerTransport : io/modelcontextprotocol/kotlin/sdk/shared/AbstractTransport {
public fun <init> (Lkotlinx/io/Source;Lkotlinx/io/Sink;)V
public fun close (Lkotlin/coroutines/Continuation;)Ljava/lang/Object;
public fun send (Lio/modelcontextprotocol/kotlin/sdk/types/JSONRPCMessage;Lkotlin/coroutines/Continuation;)Ljava/lang/Object;
public fun send (Lio/modelcontextprotocol/kotlin/sdk/types/JSONRPCMessage;Lio/modelcontextprotocol/kotlin/sdk/shared/TransportSendOptions;Lkotlin/coroutines/Continuation;)Ljava/lang/Object;
public fun start (Lkotlin/coroutines/Continuation;)Ljava/lang/Object;
}