Sub2API v1.0 - AI API 网关(二开初始版本,基于上游 Wei-Shaw/sub2api)
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This commit is contained in:
李建琦
2026-08-21 18:30:13 +08:00
commit 6d655c9903
3584 changed files with 1270640 additions and 0 deletions
@@ -0,0 +1,47 @@
package service
import "time"
// ResolveProxyFallbackTarget 计算一个过期代理 start 应把账号改投到哪里。
// 返回 (targetID, change)
// - change=false:不改动账号(mode=none,或链路成环/无解的兜底)
// - change=true, targetID=nil:改投为直连
// - change=true, targetID!=nil:改投到该备用代理 id
//
// byID 是「全部代理」的快照(id -> Proxy),now 为判定基准时间。
func ResolveProxyFallbackTarget(start Proxy, byID map[int64]Proxy, now time.Time) (*int64, bool) {
switch start.FallbackMode {
case FallbackModeDirect:
return nil, true
case FallbackModeProxy:
visited := map[int64]struct{}{start.ID: {}}
curID := start.BackupProxyID
for {
if curID == nil {
return nil, false
}
if _, seen := visited[*curID]; seen {
return nil, false
}
p, ok := byID[*curID]
if !ok {
return nil, false
}
if !(&p).IsExpired(now) && p.Status != StatusExpired {
id := p.ID
return &id, true
}
visited[*curID] = struct{}{}
switch p.FallbackMode {
case FallbackModeDirect:
return nil, true
case FallbackModeProxy:
curID = p.BackupProxyID
default:
return nil, false
}
}
default:
return nil, false
}
}