fix: openai stream response

relay/channel/openai/relay-openai.go

@@ -22,20 +22,22 @@ func OpenaiStreamHandler(c *gin.Context, resp *http.Response, info *relaycommon.
 	responseId := ""
 	var createAt int64 = 0
 	var systemFingerprint string
+	model := info.UpstreamModelName
 
 	var responseTextBuilder strings.Builder
 	var usage = &dto.Usage{}
+	var streamItems []string // store stream items
+
 	toolCount := 0
 	scanner := bufio.NewScanner(resp.Body)
 	scanner.Split(bufio.ScanLines)
-	var streamItems []string // store stream items
 
 	service.SetEventStreamHeaders(c)
 
 	ticker := time.NewTicker(time.Duration(constant.StreamingTimeout) * time.Second)
 	defer ticker.Stop()
 
-	stopChan := make(chan bool, 2)
+	stopChan := make(chan bool)
 	defer close(stopChan)
 
 	go func() {
@@ -55,7 +57,7 @@ func OpenaiStreamHandler(c *gin.Context, resp *http.Response, info *relaycommon.
 				streamItems = append(streamItems, data)
 			}
 		}
-		stopChan <- true
+		common.SafeSendBool(stopChan, true)
 	}()
 
 	select {
@@ -82,6 +84,7 @@ func OpenaiStreamHandler(c *gin.Context, resp *http.Response, info *relaycommon.
 					responseId = streamResponse.Id
 					createAt = streamResponse.Created
 					systemFingerprint = streamResponse.GetSystemFingerprint()
+					model = streamResponse.Model
 					if service.ValidUsage(streamResponse.Usage) {
 						usage = streamResponse.Usage
 						hasStreamUsage = true
@@ -105,6 +108,7 @@ func OpenaiStreamHandler(c *gin.Context, resp *http.Response, info *relaycommon.
 				responseId = streamResponse.Id
 				createAt = streamResponse.Created
 				systemFingerprint = streamResponse.GetSystemFingerprint()
+				model = streamResponse.Model
 				if service.ValidUsage(streamResponse.Usage) {
 					usage = streamResponse.Usage
 					hasStreamUsage = true
@@ -153,7 +157,7 @@ func OpenaiStreamHandler(c *gin.Context, resp *http.Response, info *relaycommon.
 	}
 
 	if info.ShouldIncludeUsage && !hasStreamUsage {
-		response := service.GenerateFinalUsageResponse(responseId, createAt, info.UpstreamModelName, *usage)
+		response := service.GenerateFinalUsageResponse(responseId, createAt, model, *usage)
 		response.SetSystemFingerprint(systemFingerprint)
 		service.ObjectData(c, response)
 	}
@@ -162,7 +166,7 @@ func OpenaiStreamHandler(c *gin.Context, resp *http.Response, info *relaycommon.
 
 	err := resp.Body.Close()
 	if err != nil {
-		return service.OpenAIErrorWrapperLocal(err, "close_response_body_failed", http.StatusInternalServerError), nil, "", toolCount
+		common.LogError(c, "close_response_body_failed: "+err.Error())
 	}
 	return nil, usage, responseTextBuilder.String(), toolCount
 }