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源站返回50X时，也可以尝试使用过时缓存

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This commit is contained in:
GoEdgeLab
2023-08-26 15:46:45 +08:00
parent 23ca1bb240
commit d209e9611a
1 changed files with 15 additions and 0 deletions
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15
internal/nodes/http_request_reverse_proxy.go
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@@ -7,6 +7,7 @@ import (
"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/shared" "github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/shared"
"github.com/TeaOSLab/EdgeNode/internal/remotelogs" "github.com/TeaOSLab/EdgeNode/internal/remotelogs"
"github.com/TeaOSLab/EdgeNode/internal/utils" "github.com/TeaOSLab/EdgeNode/internal/utils"
"github.com/iwind/TeaGo/lists"
"github.com/iwind/TeaGo/types" "github.com/iwind/TeaGo/types"
"io" "io"
"net/http" "net/http"
@@ -389,6 +390,20 @@ func (this *HTTPRequest) doOriginRequest(failedOriginIds []int64, failedLnNodeId
return return
} }
// 尝试从缓存中恢复
if resp != nil &&
resp.StatusCode >= 500 && // support 50X only
resp.StatusCode < 510 &&
this.cacheCanTryStale &&
this.web.Cache.Stale != nil &&
this.web.Cache.Stale.IsOn &&
(len(this.web.Cache.Stale.Status) == 0 || lists.ContainsInt(this.web.Cache.Stale.Status, resp.StatusCode)) {
var ok = this.doCacheRead(true)
if ok {
return
}
}
// 记录相关数据 // 记录相关数据
this.originStatus = int32(resp.StatusCode) this.originStatus = int32(resp.StatusCode)