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Sub2API v1.0 - AI API 网关(二开初始版本,基于上游 Wei-Shaw/sub2api)
2026-08-21 18:30:13 +08:00

108 lines
3.1 KiB
Go

package service
import "time"
// ProviderRefreshErrorAction 定义 provider 在刷新失败时的处理动作。
type ProviderRefreshErrorAction int
const (
// ProviderRefreshErrorReturn 失败即返回错误(不降级旧 token)。
ProviderRefreshErrorReturn ProviderRefreshErrorAction = iota
// ProviderRefreshErrorUseExistingToken 失败后继续使用现有 token。
ProviderRefreshErrorUseExistingToken
)
// ProviderLockHeldAction 定义 provider 在刷新锁被占用时的处理动作。
type ProviderLockHeldAction int
const (
// ProviderLockHeldUseExistingToken 直接使用现有 token。
ProviderLockHeldUseExistingToken ProviderLockHeldAction = iota
// ProviderLockHeldWaitForCache 等待后重试缓存读取。
ProviderLockHeldWaitForCache
)
// ProviderRefreshPolicy 描述 provider 的平台差异策略。
type ProviderRefreshPolicy struct {
OnRefreshError ProviderRefreshErrorAction
OnLockHeld ProviderLockHeldAction
FailureTTL time.Duration
}
func ClaudeProviderRefreshPolicy() ProviderRefreshPolicy {
return ProviderRefreshPolicy{
OnRefreshError: ProviderRefreshErrorUseExistingToken,
OnLockHeld: ProviderLockHeldWaitForCache,
FailureTTL: time.Minute,
}
}
func OpenAIProviderRefreshPolicy() ProviderRefreshPolicy {
return ProviderRefreshPolicy{
OnRefreshError: ProviderRefreshErrorUseExistingToken,
OnLockHeld: ProviderLockHeldWaitForCache,
FailureTTL: time.Minute,
}
}
func GeminiProviderRefreshPolicy() ProviderRefreshPolicy {
return ProviderRefreshPolicy{
OnRefreshError: ProviderRefreshErrorReturn,
OnLockHeld: ProviderLockHeldUseExistingToken,
FailureTTL: 0,
}
}
func AntigravityProviderRefreshPolicy() ProviderRefreshPolicy {
return ProviderRefreshPolicy{
OnRefreshError: ProviderRefreshErrorReturn,
OnLockHeld: ProviderLockHeldUseExistingToken,
FailureTTL: 0,
}
}
func GrokProviderRefreshPolicy() ProviderRefreshPolicy {
return ProviderRefreshPolicy{
OnRefreshError: ProviderRefreshErrorReturn,
OnLockHeld: ProviderLockHeldWaitForCache,
FailureTTL: 0,
}
}
// BackgroundSkipAction 定义后台刷新服务在“未实际刷新”场景的计数方式。
type BackgroundSkipAction int
const (
// BackgroundSkipAsSkipped 计入 skipped(保持当前默认行为)。
BackgroundSkipAsSkipped BackgroundSkipAction = iota
// BackgroundSkipAsSuccess 计入 success(仅用于兼容旧统计口径时可选)。
BackgroundSkipAsSuccess
)
// BackgroundRefreshPolicy 描述后台刷新服务的调用侧策略。
type BackgroundRefreshPolicy struct {
OnLockHeld BackgroundSkipAction
OnAlreadyRefresh BackgroundSkipAction
}
func DefaultBackgroundRefreshPolicy() BackgroundRefreshPolicy {
return BackgroundRefreshPolicy{
OnLockHeld: BackgroundSkipAsSkipped,
OnAlreadyRefresh: BackgroundSkipAsSkipped,
}
}
func (p BackgroundRefreshPolicy) handleLockHeld() error {
if p.OnLockHeld == BackgroundSkipAsSuccess {
return nil
}
return errRefreshSkipped
}
func (p BackgroundRefreshPolicy) handleAlreadyRefreshed() error {
if p.OnAlreadyRefresh == BackgroundSkipAsSuccess {
return nil
}
return errRefreshSkipped
}