feat(aistudio): track Gemini usage and improve stream errors

internal/runtime/executor/aistudio_executor.go

@@ -14,6 +14,7 @@ import (
 	cliproxyauth "github.com/router-for-me/CLIProxyAPI/v6/sdk/cliproxy/auth"
 	cliproxyexecutor "github.com/router-for-me/CLIProxyAPI/v6/sdk/cliproxy/executor"
 	sdktranslator "github.com/router-for-me/CLIProxyAPI/v6/sdk/translator"
+	"github.com/tidwall/gjson"
 	"github.com/tidwall/sjson"
 )
 
@@ -37,10 +38,13 @@ func (e *AistudioExecutor) PrepareRequest(_ *http.Request, _ *cliproxyauth.Auth)
 	return nil
 }
 
-func (e *AistudioExecutor) Execute(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (cliproxyexecutor.Response, error) {
+func (e *AistudioExecutor) Execute(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (resp cliproxyexecutor.Response, err error) {
+	reporter := newUsageReporter(ctx, e.Identifier(), req.Model, auth)
+	defer reporter.trackFailure(ctx, &err)
+
 	translatedReq, body, err := e.translateRequest(req, opts, false)
 	if err != nil {
-		return cliproxyexecutor.Response{}, err
+		return resp, err
 	}
 	endpoint := e.buildEndpoint(req.Model, body.action, opts.Alt)
 	wsReq := &wsrelay.HTTPRequest{
@@ -68,24 +72,29 @@ func (e *AistudioExecutor) Execute(ctx context.Context, auth *cliproxyauth.Auth,
 		AuthValue: authValue,
 	})
 
-	resp, err := e.relay.RoundTrip(ctx, e.provider, wsReq)
+	wsResp, err := e.relay.RoundTrip(ctx, e.provider, wsReq)
 	if err != nil {
 		recordAPIResponseError(ctx, e.cfg, err)
-		return cliproxyexecutor.Response{}, err
+		return resp, err
 	}
-	recordAPIResponseMetadata(ctx, e.cfg, resp.Status, resp.Headers.Clone())
-	if len(resp.Body) > 0 {
-		appendAPIResponseChunk(ctx, e.cfg, bytes.Clone(resp.Body))
+	recordAPIResponseMetadata(ctx, e.cfg, wsResp.Status, wsResp.Headers.Clone())
+	if len(wsResp.Body) > 0 {
+		appendAPIResponseChunk(ctx, e.cfg, bytes.Clone(wsResp.Body))
 	}
-	if resp.Status < 200 || resp.Status >= 300 {
-		return cliproxyexecutor.Response{}, statusErr{code: resp.Status, msg: string(resp.Body)}
+	if wsResp.Status < 200 || wsResp.Status >= 300 {
+		return resp, statusErr{code: wsResp.Status, msg: string(wsResp.Body)}
 	}
+	reporter.publish(ctx, parseGeminiUsage(wsResp.Body))
 	var param any
-	out := sdktranslator.TranslateNonStream(ctx, body.toFormat, opts.SourceFormat, req.Model, bytes.Clone(opts.OriginalRequest), translatedReq, bytes.Clone(resp.Body), &param)
-	return cliproxyexecutor.Response{Payload: []byte(out)}, nil
+	out := sdktranslator.TranslateNonStream(ctx, body.toFormat, opts.SourceFormat, req.Model, bytes.Clone(opts.OriginalRequest), bytes.Clone(translatedReq), bytes.Clone(wsResp.Body), &param)
+	resp = cliproxyexecutor.Response{Payload: []byte(out)}
+	return resp, nil
 }
 
-func (e *AistudioExecutor) ExecuteStream(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (<-chan cliproxyexecutor.StreamChunk, error) {
+func (e *AistudioExecutor) ExecuteStream(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (stream <-chan cliproxyexecutor.StreamChunk, err error) {
+	reporter := newUsageReporter(ctx, e.Identifier(), req.Model, auth)
+	defer reporter.trackFailure(ctx, &err)
+
 	translatedReq, body, err := e.translateRequest(req, opts, true)
 	if err != nil {
 		return nil, err
@@ -114,20 +123,22 @@ func (e *AistudioExecutor) ExecuteStream(ctx context.Context, auth *cliproxyauth
 		AuthType:  authType,
 		AuthValue: authValue,
 	})
-	stream, err := e.relay.Stream(ctx, e.provider, wsReq)
+	wsStream, err := e.relay.Stream(ctx, e.provider, wsReq)
 	if err != nil {
 		recordAPIResponseError(ctx, e.cfg, err)
 		return nil, err
 	}
 	out := make(chan cliproxyexecutor.StreamChunk)
+	stream = out
 	go func() {
 		defer close(out)
 		var param any
 		metadataLogged := false
-		for event := range stream {
+		for event := range wsStream {
 			if event.Err != nil {
 				recordAPIResponseError(ctx, e.cfg, event.Err)
-				out <- cliproxyexecutor.StreamChunk{Err: event.Err}
+				reporter.publishFailure(ctx)
+				out <- cliproxyexecutor.StreamChunk{Err: fmt.Errorf("wsrelay: %v", event.Err)}
 				return
 			}
 			switch event.Type {
@@ -139,6 +150,9 @@ func (e *AistudioExecutor) ExecuteStream(ctx context.Context, auth *cliproxyauth
 			case wsrelay.MessageTypeStreamChunk:
 				if len(event.Payload) > 0 {
 					appendAPIResponseChunk(ctx, e.cfg, bytes.Clone(event.Payload))
+					if detail, ok := parseGeminiStreamUsage(event.Payload); ok {
+						reporter.publish(ctx, detail)
+					}
 				}
 				lines := sdktranslator.TranslateStream(ctx, body.toFormat, opts.SourceFormat, req.Model, bytes.Clone(opts.OriginalRequest), translatedReq, bytes.Clone(event.Payload), &param)
 				for i := range lines {
@@ -158,19 +172,21 @@ func (e *AistudioExecutor) ExecuteStream(ctx context.Context, auth *cliproxyauth
 				for i := range lines {
 					out <- cliproxyexecutor.StreamChunk{Payload: []byte(lines[i])}
 				}
+				reporter.publish(ctx, parseGeminiUsage(event.Payload))
 				return
 			case wsrelay.MessageTypeError:
 				recordAPIResponseError(ctx, e.cfg, event.Err)
+				reporter.publishFailure(ctx)
 				out <- cliproxyexecutor.StreamChunk{Err: fmt.Errorf("wsrelay: %v", event.Err)}
 				return
 			}
 		}
 	}()
-	return out, nil
+	return stream, nil
 }
 
 func (e *AistudioExecutor) CountTokens(ctx context.Context, auth *cliproxyauth.Auth, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (cliproxyexecutor.Response, error) {
-	translatedReq, body, err := e.translateRequest(req, opts, false)
+	_, body, err := e.translateRequest(req, opts, false)
 	if err != nil {
 		return cliproxyexecutor.Response{}, err
 	}
@@ -210,9 +226,12 @@ func (e *AistudioExecutor) CountTokens(ctx context.Context, auth *cliproxyauth.A
 	if resp.Status < 200 || resp.Status >= 300 {
 		return cliproxyexecutor.Response{}, statusErr{code: resp.Status, msg: string(resp.Body)}
 	}
-	var param any
-	out := sdktranslator.TranslateNonStream(ctx, body.toFormat, opts.SourceFormat, req.Model, bytes.Clone(opts.OriginalRequest), translatedReq, bytes.Clone(resp.Body), &param)
-	return cliproxyexecutor.Response{Payload: []byte(out)}, nil
+	totalTokens := gjson.GetBytes(resp.Body, "totalTokens").Int()
+	if totalTokens <= 0 {
+		return cliproxyexecutor.Response{}, fmt.Errorf("wsrelay: totalTokens missing in response")
+	}
+	translated := sdktranslator.TranslateTokenCount(ctx, body.toFormat, opts.SourceFormat, totalTokens, bytes.Clone(resp.Body))
+	return cliproxyexecutor.Response{Payload: []byte(translated)}, nil
 }
 
 func (e *AistudioExecutor) Refresh(ctx context.Context, auth *cliproxyauth.Auth) (*cliproxyauth.Auth, error) {

internal/wsrelay/manager.go

@@ -142,11 +142,16 @@ func (m *Manager) handleWebsocket(w http.ResponseWriter, r *http.Request) {
 		s.provider = strings.ToLower(s.id)
 	}
 	m.sessMutex.Lock()
+	var replaced *session
 	if existing, ok := m.sessions[s.provider]; ok {
-		existing.cleanup(errors.New("replaced by new connection"))
+		replaced = existing
 	}
 	m.sessions[s.provider] = s
 	m.sessMutex.Unlock()
+
+	if replaced != nil {
+		replaced.cleanup(errors.New("replaced by new connection"))
+	}
 	if m.onConnected != nil {
 		m.onConnected(s.provider)
 	}