Delete internal directory

internal/multiagent/eino_native_cancel.go

@@ -1,102 +0,0 @@
-package multiagent
-
-import (
-	"context"
-	"errors"
-	"time"
-
-	"github.com/cloudwego/eino/adk"
-)
-
-const (
-	einoNativeCancelImmediateWait = 1200 * time.Millisecond
-	einoNativeCancelSafePointWait = 3500 * time.Millisecond
-	einoNativeCancelSafePointTTL  = 3 * time.Second
-)
-
-type agentRuntimeCancelRegistrarKey struct{}
-type agentTurnLoopInterruptRegistrarKey struct{}
-
-// AgentRuntimeCancelRegistrar binds the currently active Eino ADK cancel hook
-// into the host task manager. The hook returns true when Eino accepted and
-// handled the cancel request, so the host can avoid canceling the parent context.
-type AgentRuntimeCancelRegistrar func(cancel func(error) bool) (unregister func())
-
-// WithAgentRuntimeCancelRegistrar lets the HTTP/task layer trigger Eino's native
-// Agent Cancel before falling back to the existing context cancellation path.
-func WithAgentRuntimeCancelRegistrar(ctx context.Context, registrar AgentRuntimeCancelRegistrar) context.Context {
-	if ctx == nil || registrar == nil {
-		return ctx
-	}
-	return context.WithValue(ctx, agentRuntimeCancelRegistrarKey{}, registrar)
-}
-
-func agentRuntimeCancelRegistrarFromContext(ctx context.Context) AgentRuntimeCancelRegistrar {
-	if ctx == nil {
-		return nil
-	}
-	if v, ok := ctx.Value(agentRuntimeCancelRegistrarKey{}).(AgentRuntimeCancelRegistrar); ok {
-		return v
-	}
-	return nil
-}
-
-// AgentTurnLoopInterruptRegistrar binds a conversation-level TurnLoop interrupt
-// pusher into the host task manager. The pusher receives the user supplied note
-// and returns true when the note was accepted by the loop.
-type AgentTurnLoopInterruptRegistrar func(push func(note string) bool) (unregister func())
-
-// WithAgentTurnLoopInterruptRegistrar lets the HTTP/task layer enqueue a user
-// supplement into an active Eino TurnLoop before falling back to cancellation.
-func WithAgentTurnLoopInterruptRegistrar(ctx context.Context, registrar AgentTurnLoopInterruptRegistrar) context.Context {
-	if ctx == nil || registrar == nil {
-		return ctx
-	}
-	return context.WithValue(ctx, agentTurnLoopInterruptRegistrarKey{}, registrar)
-}
-
-func agentTurnLoopInterruptRegistrarFromContext(ctx context.Context) AgentTurnLoopInterruptRegistrar {
-	if ctx == nil {
-		return nil
-	}
-	if v, ok := ctx.Value(agentTurnLoopInterruptRegistrarKey{}).(AgentTurnLoopInterruptRegistrar); ok {
-		return v
-	}
-	return nil
-}
-
-func requestEinoNativeAgentCancel(cancelFn adk.AgentCancelFunc, cause error) (waitErr error, submitted bool, handled bool) {
-	if cancelFn == nil {
-		return nil, false, false
-	}
-	opts, waitFor := einoNativeCancelOptions(cause)
-	handle, submitted := cancelFn(opts...)
-	if !submitted || handle == nil {
-		return nil, submitted, false
-	}
-	waitCh := make(chan error, 1)
-	go func() {
-		waitCh <- handle.Wait()
-	}()
-	select {
-	case err := <-waitCh:
-		handled := err == nil || errors.Is(err, adk.ErrCancelTimeout) || errors.Is(err, adk.ErrExecutionEnded)
-		return err, submitted, handled
-	case <-time.After(waitFor):
-		return context.DeadlineExceeded, submitted, false
-	}
-}
-
-func einoNativeCancelOptions(cause error) ([]adk.AgentCancelOption, time.Duration) {
-	if errors.Is(cause, ErrInterruptContinue) {
-		return []adk.AgentCancelOption{
-			adk.WithAgentCancelMode(adk.CancelAfterChatModel | adk.CancelAfterToolCalls),
-			adk.WithAgentCancelTimeout(einoNativeCancelSafePointTTL),
-			adk.WithRecursive(),
-		}, einoNativeCancelSafePointWait
-	}
-	return []adk.AgentCancelOption{
-		adk.WithAgentCancelMode(adk.CancelImmediate),
-		adk.WithRecursive(),
-	}, einoNativeCancelImmediateWait
-}