591 lines
19 KiB
Go
591 lines
19 KiB
Go
package openai
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"io"
|
|
"math"
|
|
"mime/multipart"
|
|
"net/http"
|
|
"one-api/common"
|
|
"one-api/constant"
|
|
"one-api/dto"
|
|
relaycommon "one-api/relay/common"
|
|
"one-api/relay/helper"
|
|
"one-api/service"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
|
|
"one-api/types"
|
|
|
|
"github.com/bytedance/gopkg/util/gopool"
|
|
"github.com/gin-gonic/gin"
|
|
"github.com/gorilla/websocket"
|
|
"github.com/pkg/errors"
|
|
)
|
|
|
|
func sendStreamData(c *gin.Context, info *relaycommon.RelayInfo, data string, forceFormat bool, thinkToContent bool) error {
|
|
if data == "" {
|
|
return nil
|
|
}
|
|
|
|
if !forceFormat && !thinkToContent {
|
|
return helper.StringData(c, data)
|
|
}
|
|
|
|
var lastStreamResponse dto.ChatCompletionsStreamResponse
|
|
if err := common.UnmarshalJsonStr(data, &lastStreamResponse); err != nil {
|
|
return err
|
|
}
|
|
|
|
if !thinkToContent {
|
|
return helper.ObjectData(c, lastStreamResponse)
|
|
}
|
|
|
|
hasThinkingContent := false
|
|
hasContent := false
|
|
var thinkingContent strings.Builder
|
|
for _, choice := range lastStreamResponse.Choices {
|
|
if len(choice.Delta.GetReasoningContent()) > 0 {
|
|
hasThinkingContent = true
|
|
thinkingContent.WriteString(choice.Delta.GetReasoningContent())
|
|
}
|
|
if len(choice.Delta.GetContentString()) > 0 {
|
|
hasContent = true
|
|
}
|
|
}
|
|
|
|
// Handle think to content conversion
|
|
if info.ThinkingContentInfo.IsFirstThinkingContent {
|
|
if hasThinkingContent {
|
|
response := lastStreamResponse.Copy()
|
|
for i := range response.Choices {
|
|
// send `think` tag with thinking content
|
|
response.Choices[i].Delta.SetContentString("<think>\n" + thinkingContent.String())
|
|
response.Choices[i].Delta.ReasoningContent = nil
|
|
response.Choices[i].Delta.Reasoning = nil
|
|
}
|
|
info.ThinkingContentInfo.IsFirstThinkingContent = false
|
|
info.ThinkingContentInfo.HasSentThinkingContent = true
|
|
return helper.ObjectData(c, response)
|
|
}
|
|
}
|
|
|
|
if lastStreamResponse.Choices == nil || len(lastStreamResponse.Choices) == 0 {
|
|
return helper.ObjectData(c, lastStreamResponse)
|
|
}
|
|
|
|
// Process each choice
|
|
for i, choice := range lastStreamResponse.Choices {
|
|
// Handle transition from thinking to content
|
|
// only send `</think>` tag when previous thinking content has been sent
|
|
if hasContent && !info.ThinkingContentInfo.SendLastThinkingContent && info.ThinkingContentInfo.HasSentThinkingContent {
|
|
response := lastStreamResponse.Copy()
|
|
for j := range response.Choices {
|
|
response.Choices[j].Delta.SetContentString("\n</think>\n")
|
|
response.Choices[j].Delta.ReasoningContent = nil
|
|
response.Choices[j].Delta.Reasoning = nil
|
|
}
|
|
info.ThinkingContentInfo.SendLastThinkingContent = true
|
|
helper.ObjectData(c, response)
|
|
}
|
|
|
|
// Convert reasoning content to regular content if any
|
|
if len(choice.Delta.GetReasoningContent()) > 0 {
|
|
lastStreamResponse.Choices[i].Delta.SetContentString(choice.Delta.GetReasoningContent())
|
|
lastStreamResponse.Choices[i].Delta.ReasoningContent = nil
|
|
lastStreamResponse.Choices[i].Delta.Reasoning = nil
|
|
} else if !hasThinkingContent && !hasContent {
|
|
// flush thinking content
|
|
lastStreamResponse.Choices[i].Delta.ReasoningContent = nil
|
|
lastStreamResponse.Choices[i].Delta.Reasoning = nil
|
|
}
|
|
}
|
|
|
|
return helper.ObjectData(c, lastStreamResponse)
|
|
}
|
|
|
|
func OaiStreamHandler(c *gin.Context, info *relaycommon.RelayInfo, resp *http.Response) (*dto.Usage, *types.NewAPIError) {
|
|
if resp == nil || resp.Body == nil {
|
|
common.LogError(c, "invalid response or response body")
|
|
return nil, types.NewError(fmt.Errorf("invalid response"), types.ErrorCodeBadResponse)
|
|
}
|
|
|
|
defer common.CloseResponseBodyGracefully(resp)
|
|
|
|
model := info.UpstreamModelName
|
|
var responseId string
|
|
var createAt int64 = 0
|
|
var systemFingerprint string
|
|
var containStreamUsage bool
|
|
var responseTextBuilder strings.Builder
|
|
var toolCount int
|
|
var usage = &dto.Usage{}
|
|
var streamItems []string // store stream items
|
|
var forceFormat bool
|
|
var thinkToContent bool
|
|
|
|
if info.ChannelSetting.ForceFormat {
|
|
forceFormat = true
|
|
}
|
|
|
|
if info.ChannelSetting.ThinkingToContent {
|
|
thinkToContent = true
|
|
}
|
|
|
|
var (
|
|
lastStreamData string
|
|
)
|
|
|
|
helper.StreamScannerHandler(c, resp, info, func(data string) bool {
|
|
if lastStreamData != "" {
|
|
err := handleStreamFormat(c, info, lastStreamData, forceFormat, thinkToContent)
|
|
if err != nil {
|
|
common.SysError("error handling stream format: " + err.Error())
|
|
}
|
|
}
|
|
if len(data) > 0 {
|
|
lastStreamData = data
|
|
streamItems = append(streamItems, data)
|
|
}
|
|
return true
|
|
})
|
|
|
|
// 处理最后的响应
|
|
shouldSendLastResp := true
|
|
if err := handleLastResponse(lastStreamData, &responseId, &createAt, &systemFingerprint, &model, &usage,
|
|
&containStreamUsage, info, &shouldSendLastResp); err != nil {
|
|
common.LogError(c, fmt.Sprintf("error handling last response: %s, lastStreamData: [%s]", err.Error(), lastStreamData))
|
|
}
|
|
|
|
if info.RelayFormat == relaycommon.RelayFormatOpenAI {
|
|
if shouldSendLastResp {
|
|
_ = sendStreamData(c, info, lastStreamData, forceFormat, thinkToContent)
|
|
}
|
|
}
|
|
|
|
// 处理token计算
|
|
if err := processTokens(info.RelayMode, streamItems, &responseTextBuilder, &toolCount); err != nil {
|
|
common.LogError(c, "error processing tokens: "+err.Error())
|
|
}
|
|
|
|
if !containStreamUsage {
|
|
usage = service.ResponseText2Usage(responseTextBuilder.String(), info.UpstreamModelName, info.PromptTokens)
|
|
usage.CompletionTokens += toolCount * 7
|
|
} else {
|
|
if info.ChannelType == constant.ChannelTypeDeepSeek {
|
|
if usage.PromptCacheHitTokens != 0 {
|
|
usage.PromptTokensDetails.CachedTokens = usage.PromptCacheHitTokens
|
|
}
|
|
}
|
|
}
|
|
handleFinalResponse(c, info, lastStreamData, responseId, createAt, model, systemFingerprint, usage, containStreamUsage)
|
|
|
|
return usage, nil
|
|
}
|
|
|
|
func OpenaiHandler(c *gin.Context, info *relaycommon.RelayInfo, resp *http.Response) (*dto.Usage, *types.NewAPIError) {
|
|
defer common.CloseResponseBodyGracefully(resp)
|
|
|
|
var simpleResponse dto.OpenAITextResponse
|
|
responseBody, err := io.ReadAll(resp.Body)
|
|
if err != nil {
|
|
return nil, types.NewError(err, types.ErrorCodeReadResponseBodyFailed)
|
|
}
|
|
err = common.Unmarshal(responseBody, &simpleResponse)
|
|
if err != nil {
|
|
return nil, types.NewError(err, types.ErrorCodeBadResponseBody)
|
|
}
|
|
if simpleResponse.Error != nil && simpleResponse.Error.Type != "" {
|
|
return nil, types.WithOpenAIError(*simpleResponse.Error, resp.StatusCode)
|
|
}
|
|
|
|
forceFormat := false
|
|
if info.ChannelSetting.ForceFormat {
|
|
forceFormat = true
|
|
}
|
|
|
|
if simpleResponse.Usage.TotalTokens == 0 || (simpleResponse.Usage.PromptTokens == 0 && simpleResponse.Usage.CompletionTokens == 0) {
|
|
completionTokens := 0
|
|
for _, choice := range simpleResponse.Choices {
|
|
ctkm := service.CountTextToken(choice.Message.StringContent()+choice.Message.ReasoningContent+choice.Message.Reasoning, info.UpstreamModelName)
|
|
completionTokens += ctkm
|
|
}
|
|
simpleResponse.Usage = dto.Usage{
|
|
PromptTokens: info.PromptTokens,
|
|
CompletionTokens: completionTokens,
|
|
TotalTokens: info.PromptTokens + completionTokens,
|
|
}
|
|
}
|
|
|
|
switch info.RelayFormat {
|
|
case relaycommon.RelayFormatOpenAI:
|
|
if forceFormat {
|
|
responseBody, err = common.Marshal(simpleResponse)
|
|
if err != nil {
|
|
return nil, types.NewError(err, types.ErrorCodeBadResponseBody)
|
|
}
|
|
} else {
|
|
break
|
|
}
|
|
case relaycommon.RelayFormatClaude:
|
|
claudeResp := service.ResponseOpenAI2Claude(&simpleResponse, info)
|
|
claudeRespStr, err := common.Marshal(claudeResp)
|
|
if err != nil {
|
|
return nil, types.NewError(err, types.ErrorCodeBadResponseBody)
|
|
}
|
|
responseBody = claudeRespStr
|
|
}
|
|
|
|
common.IOCopyBytesGracefully(c, resp, responseBody)
|
|
|
|
return &simpleResponse.Usage, nil
|
|
}
|
|
|
|
func OpenaiTTSHandler(c *gin.Context, resp *http.Response, info *relaycommon.RelayInfo) *dto.Usage {
|
|
// the status code has been judged before, if there is a body reading failure,
|
|
// it should be regarded as a non-recoverable error, so it should not return err for external retry.
|
|
// Analogous to nginx's load balancing, it will only retry if it can't be requested or
|
|
// if the upstream returns a specific status code, once the upstream has already written the header,
|
|
// the subsequent failure of the response body should be regarded as a non-recoverable error,
|
|
// and can be terminated directly.
|
|
defer common.CloseResponseBodyGracefully(resp)
|
|
usage := &dto.Usage{}
|
|
usage.PromptTokens = info.PromptTokens
|
|
usage.TotalTokens = info.PromptTokens
|
|
for k, v := range resp.Header {
|
|
c.Writer.Header().Set(k, v[0])
|
|
}
|
|
c.Writer.WriteHeader(resp.StatusCode)
|
|
c.Writer.WriteHeaderNow()
|
|
_, err := io.Copy(c.Writer, resp.Body)
|
|
if err != nil {
|
|
common.LogError(c, err.Error())
|
|
}
|
|
return usage
|
|
}
|
|
|
|
func OpenaiSTTHandler(c *gin.Context, resp *http.Response, info *relaycommon.RelayInfo, responseFormat string) (*types.NewAPIError, *dto.Usage) {
|
|
defer common.CloseResponseBodyGracefully(resp)
|
|
|
|
// count tokens by audio file duration
|
|
audioTokens, err := countAudioTokens(c)
|
|
if err != nil {
|
|
return types.NewError(err, types.ErrorCodeCountTokenFailed), nil
|
|
}
|
|
responseBody, err := io.ReadAll(resp.Body)
|
|
if err != nil {
|
|
return types.NewError(err, types.ErrorCodeReadResponseBodyFailed), nil
|
|
}
|
|
// 写入新的 response body
|
|
common.IOCopyBytesGracefully(c, resp, responseBody)
|
|
|
|
usage := &dto.Usage{}
|
|
usage.PromptTokens = audioTokens
|
|
usage.CompletionTokens = 0
|
|
usage.TotalTokens = usage.PromptTokens + usage.CompletionTokens
|
|
return nil, usage
|
|
}
|
|
|
|
func countAudioTokens(c *gin.Context) (int, error) {
|
|
body, err := common.GetRequestBody(c)
|
|
if err != nil {
|
|
return 0, errors.WithStack(err)
|
|
}
|
|
|
|
var reqBody struct {
|
|
File *multipart.FileHeader `form:"file" binding:"required"`
|
|
}
|
|
c.Request.Body = io.NopCloser(bytes.NewReader(body))
|
|
if err = c.ShouldBind(&reqBody); err != nil {
|
|
return 0, errors.WithStack(err)
|
|
}
|
|
ext := filepath.Ext(reqBody.File.Filename) // 获取文件扩展名
|
|
reqFp, err := reqBody.File.Open()
|
|
if err != nil {
|
|
return 0, errors.WithStack(err)
|
|
}
|
|
defer reqFp.Close()
|
|
|
|
tmpFp, err := os.CreateTemp("", "audio-*"+ext)
|
|
if err != nil {
|
|
return 0, errors.WithStack(err)
|
|
}
|
|
defer os.Remove(tmpFp.Name())
|
|
|
|
_, err = io.Copy(tmpFp, reqFp)
|
|
if err != nil {
|
|
return 0, errors.WithStack(err)
|
|
}
|
|
if err = tmpFp.Close(); err != nil {
|
|
return 0, errors.WithStack(err)
|
|
}
|
|
|
|
duration, err := common.GetAudioDuration(c.Request.Context(), tmpFp.Name(), ext)
|
|
if err != nil {
|
|
return 0, errors.WithStack(err)
|
|
}
|
|
|
|
return int(math.Round(math.Ceil(duration) / 60.0 * 1000)), nil // 1 minute 相当于 1k tokens
|
|
}
|
|
|
|
func OpenaiRealtimeHandler(c *gin.Context, info *relaycommon.RelayInfo) (*types.NewAPIError, *dto.RealtimeUsage) {
|
|
if info == nil || info.ClientWs == nil || info.TargetWs == nil {
|
|
return types.NewError(fmt.Errorf("invalid websocket connection"), types.ErrorCodeBadResponse), nil
|
|
}
|
|
|
|
info.IsStream = true
|
|
clientConn := info.ClientWs
|
|
targetConn := info.TargetWs
|
|
|
|
clientClosed := make(chan struct{})
|
|
targetClosed := make(chan struct{})
|
|
sendChan := make(chan []byte, 100)
|
|
receiveChan := make(chan []byte, 100)
|
|
errChan := make(chan error, 2)
|
|
|
|
usage := &dto.RealtimeUsage{}
|
|
localUsage := &dto.RealtimeUsage{}
|
|
sumUsage := &dto.RealtimeUsage{}
|
|
|
|
gopool.Go(func() {
|
|
defer func() {
|
|
if r := recover(); r != nil {
|
|
errChan <- fmt.Errorf("panic in client reader: %v", r)
|
|
}
|
|
}()
|
|
for {
|
|
select {
|
|
case <-c.Done():
|
|
return
|
|
default:
|
|
_, message, err := clientConn.ReadMessage()
|
|
if err != nil {
|
|
if !websocket.IsCloseError(err, websocket.CloseNormalClosure, websocket.CloseGoingAway) {
|
|
errChan <- fmt.Errorf("error reading from client: %v", err)
|
|
}
|
|
close(clientClosed)
|
|
return
|
|
}
|
|
|
|
realtimeEvent := &dto.RealtimeEvent{}
|
|
err = common.Unmarshal(message, realtimeEvent)
|
|
if err != nil {
|
|
errChan <- fmt.Errorf("error unmarshalling message: %v", err)
|
|
return
|
|
}
|
|
|
|
if realtimeEvent.Type == dto.RealtimeEventTypeSessionUpdate {
|
|
if realtimeEvent.Session != nil {
|
|
if realtimeEvent.Session.Tools != nil {
|
|
info.RealtimeTools = realtimeEvent.Session.Tools
|
|
}
|
|
}
|
|
}
|
|
|
|
textToken, audioToken, err := service.CountTokenRealtime(info, *realtimeEvent, info.UpstreamModelName)
|
|
if err != nil {
|
|
errChan <- fmt.Errorf("error counting text token: %v", err)
|
|
return
|
|
}
|
|
common.LogInfo(c, fmt.Sprintf("type: %s, textToken: %d, audioToken: %d", realtimeEvent.Type, textToken, audioToken))
|
|
localUsage.TotalTokens += textToken + audioToken
|
|
localUsage.InputTokens += textToken + audioToken
|
|
localUsage.InputTokenDetails.TextTokens += textToken
|
|
localUsage.InputTokenDetails.AudioTokens += audioToken
|
|
|
|
err = helper.WssString(c, targetConn, string(message))
|
|
if err != nil {
|
|
errChan <- fmt.Errorf("error writing to target: %v", err)
|
|
return
|
|
}
|
|
|
|
select {
|
|
case sendChan <- message:
|
|
default:
|
|
}
|
|
}
|
|
}
|
|
})
|
|
|
|
gopool.Go(func() {
|
|
defer func() {
|
|
if r := recover(); r != nil {
|
|
errChan <- fmt.Errorf("panic in target reader: %v", r)
|
|
}
|
|
}()
|
|
for {
|
|
select {
|
|
case <-c.Done():
|
|
return
|
|
default:
|
|
_, message, err := targetConn.ReadMessage()
|
|
if err != nil {
|
|
if !websocket.IsCloseError(err, websocket.CloseNormalClosure, websocket.CloseGoingAway) {
|
|
errChan <- fmt.Errorf("error reading from target: %v", err)
|
|
}
|
|
close(targetClosed)
|
|
return
|
|
}
|
|
info.SetFirstResponseTime()
|
|
realtimeEvent := &dto.RealtimeEvent{}
|
|
err = common.Unmarshal(message, realtimeEvent)
|
|
if err != nil {
|
|
errChan <- fmt.Errorf("error unmarshalling message: %v", err)
|
|
return
|
|
}
|
|
|
|
if realtimeEvent.Type == dto.RealtimeEventTypeResponseDone {
|
|
realtimeUsage := realtimeEvent.Response.Usage
|
|
if realtimeUsage != nil {
|
|
usage.TotalTokens += realtimeUsage.TotalTokens
|
|
usage.InputTokens += realtimeUsage.InputTokens
|
|
usage.OutputTokens += realtimeUsage.OutputTokens
|
|
usage.InputTokenDetails.AudioTokens += realtimeUsage.InputTokenDetails.AudioTokens
|
|
usage.InputTokenDetails.CachedTokens += realtimeUsage.InputTokenDetails.CachedTokens
|
|
usage.InputTokenDetails.TextTokens += realtimeUsage.InputTokenDetails.TextTokens
|
|
usage.OutputTokenDetails.AudioTokens += realtimeUsage.OutputTokenDetails.AudioTokens
|
|
usage.OutputTokenDetails.TextTokens += realtimeUsage.OutputTokenDetails.TextTokens
|
|
err := preConsumeUsage(c, info, usage, sumUsage)
|
|
if err != nil {
|
|
errChan <- fmt.Errorf("error consume usage: %v", err)
|
|
return
|
|
}
|
|
// 本次计费完成，清除
|
|
usage = &dto.RealtimeUsage{}
|
|
|
|
localUsage = &dto.RealtimeUsage{}
|
|
} else {
|
|
textToken, audioToken, err := service.CountTokenRealtime(info, *realtimeEvent, info.UpstreamModelName)
|
|
if err != nil {
|
|
errChan <- fmt.Errorf("error counting text token: %v", err)
|
|
return
|
|
}
|
|
common.LogInfo(c, fmt.Sprintf("type: %s, textToken: %d, audioToken: %d", realtimeEvent.Type, textToken, audioToken))
|
|
localUsage.TotalTokens += textToken + audioToken
|
|
info.IsFirstRequest = false
|
|
localUsage.InputTokens += textToken + audioToken
|
|
localUsage.InputTokenDetails.TextTokens += textToken
|
|
localUsage.InputTokenDetails.AudioTokens += audioToken
|
|
err = preConsumeUsage(c, info, localUsage, sumUsage)
|
|
if err != nil {
|
|
errChan <- fmt.Errorf("error consume usage: %v", err)
|
|
return
|
|
}
|
|
// 本次计费完成，清除
|
|
localUsage = &dto.RealtimeUsage{}
|
|
// print now usage
|
|
}
|
|
common.LogInfo(c, fmt.Sprintf("realtime streaming sumUsage: %v", sumUsage))
|
|
common.LogInfo(c, fmt.Sprintf("realtime streaming localUsage: %v", localUsage))
|
|
common.LogInfo(c, fmt.Sprintf("realtime streaming localUsage: %v", localUsage))
|
|
|
|
} else if realtimeEvent.Type == dto.RealtimeEventTypeSessionUpdated || realtimeEvent.Type == dto.RealtimeEventTypeSessionCreated {
|
|
realtimeSession := realtimeEvent.Session
|
|
if realtimeSession != nil {
|
|
// update audio format
|
|
info.InputAudioFormat = common.GetStringIfEmpty(realtimeSession.InputAudioFormat, info.InputAudioFormat)
|
|
info.OutputAudioFormat = common.GetStringIfEmpty(realtimeSession.OutputAudioFormat, info.OutputAudioFormat)
|
|
}
|
|
} else {
|
|
textToken, audioToken, err := service.CountTokenRealtime(info, *realtimeEvent, info.UpstreamModelName)
|
|
if err != nil {
|
|
errChan <- fmt.Errorf("error counting text token: %v", err)
|
|
return
|
|
}
|
|
common.LogInfo(c, fmt.Sprintf("type: %s, textToken: %d, audioToken: %d", realtimeEvent.Type, textToken, audioToken))
|
|
localUsage.TotalTokens += textToken + audioToken
|
|
localUsage.OutputTokens += textToken + audioToken
|
|
localUsage.OutputTokenDetails.TextTokens += textToken
|
|
localUsage.OutputTokenDetails.AudioTokens += audioToken
|
|
}
|
|
|
|
err = helper.WssString(c, clientConn, string(message))
|
|
if err != nil {
|
|
errChan <- fmt.Errorf("error writing to client: %v", err)
|
|
return
|
|
}
|
|
|
|
select {
|
|
case receiveChan <- message:
|
|
default:
|
|
}
|
|
}
|
|
}
|
|
})
|
|
|
|
select {
|
|
case <-clientClosed:
|
|
case <-targetClosed:
|
|
case err := <-errChan:
|
|
//return service.OpenAIErrorWrapper(err, "realtime_error", http.StatusInternalServerError), nil
|
|
common.LogError(c, "realtime error: "+err.Error())
|
|
case <-c.Done():
|
|
}
|
|
|
|
if usage.TotalTokens != 0 {
|
|
_ = preConsumeUsage(c, info, usage, sumUsage)
|
|
}
|
|
|
|
if localUsage.TotalTokens != 0 {
|
|
_ = preConsumeUsage(c, info, localUsage, sumUsage)
|
|
}
|
|
|
|
// check usage total tokens, if 0, use local usage
|
|
|
|
return nil, sumUsage
|
|
}
|
|
|
|
func preConsumeUsage(ctx *gin.Context, info *relaycommon.RelayInfo, usage *dto.RealtimeUsage, totalUsage *dto.RealtimeUsage) error {
|
|
if usage == nil || totalUsage == nil {
|
|
return fmt.Errorf("invalid usage pointer")
|
|
}
|
|
|
|
totalUsage.TotalTokens += usage.TotalTokens
|
|
totalUsage.InputTokens += usage.InputTokens
|
|
totalUsage.OutputTokens += usage.OutputTokens
|
|
totalUsage.InputTokenDetails.CachedTokens += usage.InputTokenDetails.CachedTokens
|
|
totalUsage.InputTokenDetails.TextTokens += usage.InputTokenDetails.TextTokens
|
|
totalUsage.InputTokenDetails.AudioTokens += usage.InputTokenDetails.AudioTokens
|
|
totalUsage.OutputTokenDetails.TextTokens += usage.OutputTokenDetails.TextTokens
|
|
totalUsage.OutputTokenDetails.AudioTokens += usage.OutputTokenDetails.AudioTokens
|
|
// clear usage
|
|
err := service.PreWssConsumeQuota(ctx, info, usage)
|
|
return err
|
|
}
|
|
|
|
func OpenaiHandlerWithUsage(c *gin.Context, info *relaycommon.RelayInfo, resp *http.Response) (*dto.Usage, *types.NewAPIError) {
|
|
defer common.CloseResponseBodyGracefully(resp)
|
|
|
|
responseBody, err := io.ReadAll(resp.Body)
|
|
if err != nil {
|
|
return nil, types.NewError(err, types.ErrorCodeReadResponseBodyFailed)
|
|
}
|
|
|
|
var usageResp dto.SimpleResponse
|
|
err = common.Unmarshal(responseBody, &usageResp)
|
|
if err != nil {
|
|
return nil, types.NewError(err, types.ErrorCodeBadResponseBody)
|
|
}
|
|
|
|
// 写入新的 response body
|
|
common.IOCopyBytesGracefully(c, resp, responseBody)
|
|
|
|
// Once we've written to the client, we should not return errors anymore
|
|
// because the upstream has already consumed resources and returned content
|
|
// We should still perform billing even if parsing fails
|
|
// format
|
|
if usageResp.InputTokens > 0 {
|
|
usageResp.PromptTokens += usageResp.InputTokens
|
|
}
|
|
if usageResp.OutputTokens > 0 {
|
|
usageResp.CompletionTokens += usageResp.OutputTokens
|
|
}
|
|
if usageResp.InputTokensDetails != nil {
|
|
usageResp.PromptTokensDetails.ImageTokens += usageResp.InputTokensDetails.ImageTokens
|
|
usageResp.PromptTokensDetails.TextTokens += usageResp.InputTokensDetails.TextTokens
|
|
}
|
|
return &usageResp.Usage, nil
|
|
}
|