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request_stat.go
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request_stat.go
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// Copyright (c) 2019 The BFE Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// stat for request
package bfe_basic
import (
"time"
)
type RequestStat struct {
// time stat
ReadReqStart time.Time // after read first line of http request
ReadReqEnd time.Time // after read http request
FindProStart time.Time // just before find product
FindProEnd time.Time // after find product
LocateStart time.Time // just before find location
LocateEnd time.Time // after find location
ClusterStart time.Time // just before connect backend cluster
ClusterEnd time.Time // after get response from backend cluster
// info for last successful connected backend
BackendStart time.Time // just before connect backend
BackendEnd time.Time // after get response from backend
ResponseStart time.Time // before write response to client
ResponseEnd time.Time // after write response to client
BackendFirst time.Time // just before connect backend, for first invoke (retry may exist)
// data length
HeaderLenIn int // length of request header
BodyLenIn int // length of request body
HeaderLenOut int // length of response header
BodyLenOut int // length of response body
// some status
IsCrossCluster bool // with cross-cluster retry?
}
func NewRequestStat(start time.Time) *RequestStat {
rs := new(RequestStat)
rs.ReadReqStart = start
return rs
}