mirror of
https://github.com/linux-do/new-api.git
synced 2025-09-17 16:06:38 +08:00
319 lines
9.2 KiB
Go
319 lines
9.2 KiB
Go
package controller
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import (
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"bytes"
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"errors"
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"fmt"
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"github.com/gin-gonic/gin"
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"io"
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"log"
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"net/http"
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"one-api/common"
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"one-api/dto"
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"one-api/middleware"
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"one-api/model"
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"one-api/relay"
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"one-api/relay/constant"
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relayconstant "one-api/relay/constant"
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"one-api/service"
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"strings"
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)
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func relayHandler(c *gin.Context, relayMode int) *dto.OpenAIErrorWithStatusCode {
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var err *dto.OpenAIErrorWithStatusCode
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switch relayMode {
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case relayconstant.RelayModeImagesGenerations:
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err = relay.ImageHelper(c, relayMode)
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case relayconstant.RelayModeAudioSpeech:
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fallthrough
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case relayconstant.RelayModeAudioTranslation:
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fallthrough
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case relayconstant.RelayModeAudioTranscription:
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err = relay.AudioHelper(c)
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case relayconstant.RelayModeRerank:
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err = relay.RerankHelper(c, relayMode)
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default:
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err = relay.TextHelper(c)
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}
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return err
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}
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func Relay(c *gin.Context) {
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relayMode := constant.Path2RelayMode(c.Request.URL.Path)
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requestId := c.GetString(common.RequestIdKey)
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group := c.GetString("group")
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originalModel := c.GetString("original_model")
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var openaiErr *dto.OpenAIErrorWithStatusCode
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for i := 0; i <= common.RetryTimes; i++ {
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channel, err := getChannel(c, group, originalModel, i)
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if err != nil {
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common.LogError(c, err.Error())
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openaiErr = service.OpenAIErrorWrapperLocal(err, "get_channel_failed", http.StatusInternalServerError)
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break
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}
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openaiErr = relayRequest(c, relayMode, channel)
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if openaiErr == nil {
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return // 成功处理请求，直接返回
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}
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go processChannelError(c, channel.Id, channel.Type, channel.Name, channel.GetAutoBan(), openaiErr)
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if !shouldRetry(c, openaiErr, common.RetryTimes-i) {
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break
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}
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}
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useChannel := c.GetStringSlice("use_channel")
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if len(useChannel) > 1 {
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retryLogStr := fmt.Sprintf("重试：%s", strings.Trim(strings.Join(strings.Fields(fmt.Sprint(useChannel)), "->"), "[]"))
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common.LogInfo(c, retryLogStr)
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}
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if openaiErr != nil {
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if openaiErr.StatusCode == http.StatusTooManyRequests {
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openaiErr.Error.Message = "当前分组上游负载已饱和，请稍后再试"
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}
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openaiErr.Error.Message = common.MessageWithRequestId(openaiErr.Error.Message, requestId)
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c.JSON(openaiErr.StatusCode, gin.H{
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"error": openaiErr.Error,
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})
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}
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}
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func relayRequest(c *gin.Context, relayMode int, channel *model.Channel) *dto.OpenAIErrorWithStatusCode {
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addUsedChannel(c, channel.Id)
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requestBody, _ := common.GetRequestBody(c)
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c.Request.Body = io.NopCloser(bytes.NewBuffer(requestBody))
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return relayHandler(c, relayMode)
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}
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func addUsedChannel(c *gin.Context, channelId int) {
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useChannel := c.GetStringSlice("use_channel")
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useChannel = append(useChannel, fmt.Sprintf("%d", channelId))
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c.Set("use_channel", useChannel)
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}
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func getChannel(c *gin.Context, group, originalModel string, retryCount int) (*model.Channel, error) {
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if retryCount == 0 {
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autoBan := c.GetBool("auto_ban")
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autoBanInt := 1
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if !autoBan {
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autoBanInt = 0
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}
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return &model.Channel{
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Id: c.GetInt("channel_id"),
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Type: c.GetInt("channel_type"),
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Name: c.GetString("channel_name"),
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AutoBan: &autoBanInt,
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}, nil
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}
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channel, err := model.CacheGetRandomSatisfiedChannel(group, originalModel, retryCount)
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if err != nil {
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return nil, errors.New(fmt.Sprintf("获取重试渠道失败: %s", err.Error()))
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}
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middleware.SetupContextForSelectedChannel(c, channel, originalModel)
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return channel, nil
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}
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func shouldRetry(c *gin.Context, openaiErr *dto.OpenAIErrorWithStatusCode, retryTimes int) bool {
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if openaiErr == nil {
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return false
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}
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if retryTimes <= 0 {
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return false
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}
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if _, ok := c.Get("specific_channel_id"); ok {
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return false
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}
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if openaiErr.StatusCode == http.StatusTooManyRequests {
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return true
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}
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if openaiErr.StatusCode == 307 {
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return true
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}
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if openaiErr.StatusCode/100 == 5 {
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// 超时不重试
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if openaiErr.StatusCode == 504 || openaiErr.StatusCode == 524 {
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return false
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}
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return true
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}
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if openaiErr.StatusCode == http.StatusBadRequest {
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channelType := c.GetInt("channel_type")
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if channelType == common.ChannelTypeAnthropic {
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return true
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}
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return false
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}
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if openaiErr.StatusCode == 408 {
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// azure处理超时不重试
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return false
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}
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if openaiErr.LocalError {
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return false
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}
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if openaiErr.StatusCode/100 == 2 {
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return false
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}
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return true
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}
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func processChannelError(c *gin.Context, channelId int, channelType int, channelName string, autoBan bool, err *dto.OpenAIErrorWithStatusCode) {
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// 不要使用context获取渠道信息，异步处理时可能会出现渠道信息不一致的情况
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// do not use context to get channel info, there may be inconsistent channel info when processing asynchronously
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common.LogError(c, fmt.Sprintf("relay error (channel #%d, status code: %d): %s", channelId, err.StatusCode, err.Error.Message))
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if service.ShouldDisableChannel(channelType, err) && autoBan {
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service.DisableChannel(channelId, channelName, err.Error.Message)
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}
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}
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func RelayMidjourney(c *gin.Context) {
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relayMode := c.GetInt("relay_mode")
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var err *dto.MidjourneyResponse
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switch relayMode {
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case relayconstant.RelayModeMidjourneyNotify:
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err = relay.RelayMidjourneyNotify(c)
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case relayconstant.RelayModeMidjourneyTaskFetch, relayconstant.RelayModeMidjourneyTaskFetchByCondition:
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err = relay.RelayMidjourneyTask(c, relayMode)
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case relayconstant.RelayModeMidjourneyTaskImageSeed:
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err = relay.RelayMidjourneyTaskImageSeed(c)
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case relayconstant.RelayModeSwapFace:
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err = relay.RelaySwapFace(c)
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default:
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err = relay.RelayMidjourneySubmit(c, relayMode)
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}
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//err = relayMidjourneySubmit(c, relayMode)
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log.Println(err)
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if err != nil {
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statusCode := http.StatusBadRequest
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if err.Code == 30 {
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err.Result = "当前分组负载已饱和，请稍后再试，或升级账户以提升服务质量。"
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statusCode = http.StatusTooManyRequests
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}
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c.JSON(statusCode, gin.H{
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"description": fmt.Sprintf("%s %s", err.Description, err.Result),
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"type": "upstream_error",
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"code": err.Code,
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})
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channelId := c.GetInt("channel_id")
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common.LogError(c, fmt.Sprintf("relay error (channel #%d, status code %d): %s", channelId, statusCode, fmt.Sprintf("%s %s", err.Description, err.Result)))
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}
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}
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func RelayNotImplemented(c *gin.Context) {
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err := dto.OpenAIError{
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Message: "API not implemented",
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Type: "new_api_error",
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Param: "",
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Code: "api_not_implemented",
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}
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c.JSON(http.StatusNotImplemented, gin.H{
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"error": err,
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})
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}
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func RelayNotFound(c *gin.Context) {
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err := dto.OpenAIError{
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Message: fmt.Sprintf("Invalid URL (%s %s)", c.Request.Method, c.Request.URL.Path),
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Type: "invalid_request_error",
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Param: "",
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Code: "",
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}
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c.JSON(http.StatusNotFound, gin.H{
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"error": err,
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})
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}
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func RelayTask(c *gin.Context) {
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retryTimes := common.RetryTimes
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channelId := c.GetInt("channel_id")
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relayMode := c.GetInt("relay_mode")
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group := c.GetString("group")
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originalModel := c.GetString("original_model")
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c.Set("use_channel", []string{fmt.Sprintf("%d", channelId)})
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taskErr := taskRelayHandler(c, relayMode)
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if taskErr == nil {
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retryTimes = 0
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}
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for i := 0; shouldRetryTaskRelay(c, channelId, taskErr, retryTimes) && i < retryTimes; i++ {
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channel, err := model.CacheGetRandomSatisfiedChannel(group, originalModel, i)
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if err != nil {
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common.LogError(c, fmt.Sprintf("CacheGetRandomSatisfiedChannel failed: %s", err.Error()))
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break
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}
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channelId = channel.Id
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useChannel := c.GetStringSlice("use_channel")
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useChannel = append(useChannel, fmt.Sprintf("%d", channelId))
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c.Set("use_channel", useChannel)
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common.LogInfo(c, fmt.Sprintf("using channel #%d to retry (remain times %d)", channel.Id, i))
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middleware.SetupContextForSelectedChannel(c, channel, originalModel)
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requestBody, err := common.GetRequestBody(c)
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c.Request.Body = io.NopCloser(bytes.NewBuffer(requestBody))
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taskErr = taskRelayHandler(c, relayMode)
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}
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useChannel := c.GetStringSlice("use_channel")
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if len(useChannel) > 1 {
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retryLogStr := fmt.Sprintf("重试：%s", strings.Trim(strings.Join(strings.Fields(fmt.Sprint(useChannel)), "->"), "[]"))
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common.LogInfo(c, retryLogStr)
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}
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if taskErr != nil {
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if taskErr.StatusCode == http.StatusTooManyRequests {
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taskErr.Message = "当前分组上游负载已饱和，请稍后再试"
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}
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c.JSON(taskErr.StatusCode, taskErr)
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}
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}
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func taskRelayHandler(c *gin.Context, relayMode int) *dto.TaskError {
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var err *dto.TaskError
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switch relayMode {
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case relayconstant.RelayModeSunoFetch, relayconstant.RelayModeSunoFetchByID:
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err = relay.RelayTaskFetch(c, relayMode)
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default:
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err = relay.RelayTaskSubmit(c, relayMode)
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}
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return err
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}
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func shouldRetryTaskRelay(c *gin.Context, channelId int, taskErr *dto.TaskError, retryTimes int) bool {
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if taskErr == nil {
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return false
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}
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if retryTimes <= 0 {
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return false
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}
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if _, ok := c.Get("specific_channel_id"); ok {
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return false
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}
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if taskErr.StatusCode == http.StatusTooManyRequests {
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return true
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}
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if taskErr.StatusCode == 307 {
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return true
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}
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if taskErr.StatusCode/100 == 5 {
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// 超时不重试
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if taskErr.StatusCode == 504 || taskErr.StatusCode == 524 {
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return false
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}
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return true
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}
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if taskErr.StatusCode == http.StatusBadRequest {
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return false
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}
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if taskErr.StatusCode == 408 {
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// azure处理超时不重试
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return false
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}
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if taskErr.LocalError {
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return false
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}
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if taskErr.StatusCode/100 == 2 {
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return false
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}
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return true
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}
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