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HTTP源站有多个L2节点时发生错误时会主动尝试下一个L2节点

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GoEdgeLab
2022-08-03 20:30:59 +08:00
parent 005f3bd370
commit cad5b8421b
2 changed files with 11 additions and 6 deletions
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13
internal/nodes/http_request_reverse_proxy.go
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@@ -24,20 +24,24 @@ func (this *HTTPRequest) doReverseProxy() {
var retries = 3
var failedOriginIds []int64
var failedLnNodeIds []int64
for i := 0; i < retries; i++ {
originId, shouldRetry := this.doOriginRequest(failedOriginIds, i == 0, i == retries-1)
originId, lnNodeId, shouldRetry := this.doOriginRequest(failedOriginIds, failedLnNodeIds, i == 0, i == retries-1)
if !shouldRetry {
break
}
if originId > 0 {
failedOriginIds = append(failedOriginIds, originId)
}
if lnNodeId > 0 {
failedLnNodeIds = append(failedLnNodeIds, lnNodeId)
}
}
}
// 请求源站
func (this *HTTPRequest) doOriginRequest(failedOriginIds []int64, isFirstTry bool, isLastRetry bool) (originId int64, shouldRetry bool) {
func (this *HTTPRequest) doOriginRequest(failedOriginIds []int64, failedLnNodeIds []int64, isFirstTry bool, isLastRetry bool) (originId int64, lnNodeId int64, shouldRetry bool) {
// 对URL的处理
var stripPrefix = this.reverseProxy.StripPrefix
var requestURI = this.reverseProxy.RequestURI
@@ -59,8 +63,9 @@ func (this *HTTPRequest) doOriginRequest(failedOriginIds []int64, isFirstTry boo
var origin *serverconfigs.OriginConfig
// 二级节点
var hasMultipleLnNodes = false
if this.cacheRef != nil {
origin = this.getLnOrigin()
origin, lnNodeId, hasMultipleLnNodes = this.getLnOrigin(failedLnNodeIds)
if origin != nil {
// 强制变更原来访问的域名
requestHost = this.ReqHost
@@ -262,7 +267,7 @@ func (this *HTTPRequest) doOriginRequest(failedOriginIds []int64, isFirstTry boo
})
// 是否需要重试
if originId > 0 && !isLastRetry {
if (originId > 0 || (lnNodeId > 0 && hasMultipleLnNodes)) && !isLastRetry {
shouldRetry = true
this.uri = oldURI // 恢复备份