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merge: 合并 upstream/main

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This commit is contained in:
song
2026-01-02 10:22:29 +08:00
parent 95d09f60f8 106e59b753
commit 6cc7f9978c
135 changed files with 26830 additions and 1442 deletions
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149
backend/internal/handler/gateway_handler.go
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@@ -142,6 +142,10 @@ func (h *GatewayHandler) Messages(c *gin.Context) {
} else if apiKey.Group != nil {
platform = apiKey.Group.Platform
}
sessionKey := sessionHash
if platform == service.PlatformGemini && sessionHash != "" {
sessionKey = "gemini:" + sessionHash
}
if platform == service.PlatformGemini {
const maxAccountSwitches = 3
@@ -150,7 +154,7 @@ func (h *GatewayHandler) Messages(c *gin.Context) {
lastFailoverStatus := 0
for {
account, err := h.geminiCompatService.SelectAccountForModelWithExclusions(c.Request.Context(), apiKey.GroupID, sessionHash, reqModel, failedAccountIDs)
selection, err := h.gatewayService.SelectAccountWithLoadAwareness(c.Request.Context(), apiKey.GroupID, sessionKey, reqModel, failedAccountIDs)
if err != nil {
if len(failedAccountIDs) == 0 {
h.handleStreamingAwareError(c, http.StatusServiceUnavailable, "api_error", "No available accounts: "+err.Error(), streamStarted)
@@ -159,9 +163,13 @@ func (h *GatewayHandler) Messages(c *gin.Context) {
h.handleFailoverExhausted(c, lastFailoverStatus, streamStarted)
return
}
account := selection.Account
// 检查预热请求拦截（在账号选择后、转发前检查）
if account.IsInterceptWarmupEnabled() && isWarmupRequest(body) {
if selection.Acquired && selection.ReleaseFunc != nil {
selection.ReleaseFunc()
}
if reqStream {
sendMockWarmupStream(c, reqModel)
} else {
@@ -171,11 +179,46 @@ func (h *GatewayHandler) Messages(c *gin.Context) {
}
// 3. 获取账号并发槽位
accountReleaseFunc, err := h.concurrencyHelper.AcquireAccountSlotWithWait(c, account.ID, account.Concurrency, reqStream, &streamStarted)
if err != nil {
log.Printf("Account concurrency acquire failed: %v", err)
h.handleConcurrencyError(c, err, "account", streamStarted)
return
accountReleaseFunc := selection.ReleaseFunc
var accountWaitRelease func()
if !selection.Acquired {
if selection.WaitPlan == nil {
h.handleStreamingAwareError(c, http.StatusServiceUnavailable, "api_error", "No available accounts", streamStarted)
return
}
canWait, err := h.concurrencyHelper.IncrementAccountWaitCount(c.Request.Context(), account.ID, selection.WaitPlan.MaxWaiting)
if err != nil {
log.Printf("Increment account wait count failed: %v", err)
} else if !canWait {
log.Printf("Account wait queue full: account=%d", account.ID)
h.handleStreamingAwareError(c, http.StatusTooManyRequests, "rate_limit_error", "Too many pending requests, please retry later", streamStarted)
return
} else {
// Only set release function if increment succeeded
accountWaitRelease = func() {
h.concurrencyHelper.DecrementAccountWaitCount(c.Request.Context(), account.ID)
}
}
accountReleaseFunc, err = h.concurrencyHelper.AcquireAccountSlotWithWaitTimeout(
c,
account.ID,
selection.WaitPlan.MaxConcurrency,
selection.WaitPlan.Timeout,
reqStream,
&streamStarted,
)
if err != nil {
if accountWaitRelease != nil {
accountWaitRelease()
}
log.Printf("Account concurrency acquire failed: %v", err)
h.handleConcurrencyError(c, err, "account", streamStarted)
return
}
if err := h.gatewayService.BindStickySession(c.Request.Context(), sessionKey, account.ID); err != nil {
log.Printf("Bind sticky session failed: %v", err)
}
}
// 转发请求 - 根据账号平台分流
@@ -188,6 +231,9 @@ func (h *GatewayHandler) Messages(c *gin.Context) {
if accountReleaseFunc != nil {
accountReleaseFunc()
}
if accountWaitRelease != nil {
accountWaitRelease()
}
if err != nil {
var failoverErr *service.UpstreamFailoverError
if errors.As(err, &failoverErr) {
@@ -232,7 +278,7 @@ func (h *GatewayHandler) Messages(c *gin.Context) {
for {
// 选择支持该模型的账号
account, err := h.gatewayService.SelectAccountForModelWithExclusions(c.Request.Context(), apiKey.GroupID, sessionHash, reqModel, failedAccountIDs)
selection, err := h.gatewayService.SelectAccountWithLoadAwareness(c.Request.Context(), apiKey.GroupID, sessionKey, reqModel, failedAccountIDs)
if err != nil {
if len(failedAccountIDs) == 0 {
h.handleStreamingAwareError(c, http.StatusServiceUnavailable, "api_error", "No available accounts: "+err.Error(), streamStarted)
@@ -241,9 +287,13 @@ func (h *GatewayHandler) Messages(c *gin.Context) {
h.handleFailoverExhausted(c, lastFailoverStatus, streamStarted)
return
}
account := selection.Account
// 检查预热请求拦截（在账号选择后、转发前检查）
if account.IsInterceptWarmupEnabled() && isWarmupRequest(body) {
if selection.Acquired && selection.ReleaseFunc != nil {
selection.ReleaseFunc()
}
if reqStream {
sendMockWarmupStream(c, reqModel)
} else {
@@ -253,11 +303,46 @@ func (h *GatewayHandler) Messages(c *gin.Context) {
}
// 3. 获取账号并发槽位
accountReleaseFunc, err := h.concurrencyHelper.AcquireAccountSlotWithWait(c, account.ID, account.Concurrency, reqStream, &streamStarted)
if err != nil {
log.Printf("Account concurrency acquire failed: %v", err)
h.handleConcurrencyError(c, err, "account", streamStarted)
return
accountReleaseFunc := selection.ReleaseFunc
var accountWaitRelease func()
if !selection.Acquired {
if selection.WaitPlan == nil {
h.handleStreamingAwareError(c, http.StatusServiceUnavailable, "api_error", "No available accounts", streamStarted)
return
}
canWait, err := h.concurrencyHelper.IncrementAccountWaitCount(c.Request.Context(), account.ID, selection.WaitPlan.MaxWaiting)
if err != nil {
log.Printf("Increment account wait count failed: %v", err)
} else if !canWait {
log.Printf("Account wait queue full: account=%d", account.ID)
h.handleStreamingAwareError(c, http.StatusTooManyRequests, "rate_limit_error", "Too many pending requests, please retry later", streamStarted)
return
} else {
// Only set release function if increment succeeded
accountWaitRelease = func() {
h.concurrencyHelper.DecrementAccountWaitCount(c.Request.Context(), account.ID)
}
}
accountReleaseFunc, err = h.concurrencyHelper.AcquireAccountSlotWithWaitTimeout(
c,
account.ID,
selection.WaitPlan.MaxConcurrency,
selection.WaitPlan.Timeout,
reqStream,
&streamStarted,
)
if err != nil {
if accountWaitRelease != nil {
accountWaitRelease()
}
log.Printf("Account concurrency acquire failed: %v", err)
h.handleConcurrencyError(c, err, "account", streamStarted)
return
}
if err := h.gatewayService.BindStickySession(c.Request.Context(), sessionKey, account.ID); err != nil {
log.Printf("Bind sticky session failed: %v", err)
}
}
// 转发请求 - 根据账号平台分流
@@ -270,6 +355,9 @@ func (h *GatewayHandler) Messages(c *gin.Context) {
if accountReleaseFunc != nil {
accountReleaseFunc()
}
if accountWaitRelease != nil {
accountWaitRelease()
}
if err != nil {
var failoverErr *service.UpstreamFailoverError
if errors.As(err, &failoverErr) {
@@ -309,7 +397,8 @@ func (h *GatewayHandler) Messages(c *gin.Context) {
// Models handles listing available models
// GET /v1/models
// Returns different model lists based on the API key's group platform or forced platform
// Returns models based on account configurations (model_mapping whitelist)
// Falls back to default models if no whitelist is configured
func (h *GatewayHandler) Models(c *gin.Context) {
apiKey, _ := middleware2.GetApiKeyFromContext(c)
@@ -324,8 +413,37 @@ func (h *GatewayHandler) Models(c *gin.Context) {
}
}
// Return OpenAI models for OpenAI platform groups
if apiKey != nil && apiKey.Group != nil && apiKey.Group.Platform == "openai" {
var groupID *int64
var platform string
if apiKey != nil && apiKey.Group != nil {
groupID = &apiKey.Group.ID
platform = apiKey.Group.Platform
}
// Get available models from account configurations (without platform filter)
availableModels := h.gatewayService.GetAvailableModels(c.Request.Context(), groupID, "")
if len(availableModels) > 0 {
// Build model list from whitelist
models := make([]claude.Model, 0, len(availableModels))
for _, modelID := range availableModels {
models = append(models, claude.Model{
ID: modelID,
Type: "model",
DisplayName: modelID,
CreatedAt: "2024-01-01T00:00:00Z",
})
}
c.JSON(http.StatusOK, gin.H{
"object": "list",
"data": models,
})
return
}
// Fallback to default models
if platform == "openai" {
c.JSON(http.StatusOK, gin.H{
"object": "list",
"data": openai.DefaultModels,
@@ -333,7 +451,6 @@ func (h *GatewayHandler) Models(c *gin.Context) {
return
}
// Default: Claude models
c.JSON(http.StatusOK, gin.H{
"object": "list",
"data": claude.DefaultModels,