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