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stats.go
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/
stats.go
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// Copyright 2017 PingCAP, Inc.
//
// 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,
// See the License for the specific language governing permissions and
// limitations under the License.
package api
import (
"net/http"
"github.com/pingcap/pd/server"
"github.com/unrolled/render"
)
type statsHandler struct {
svr *server.Server
rd *render.Render
}
func newStatsHandler(svr *server.Server, rd *render.Render) *statsHandler {
return &statsHandler{
svr: svr,
rd: rd,
}
}
func (h *statsHandler) Region(w http.ResponseWriter, r *http.Request) {
cluster := h.svr.GetRaftCluster()
if cluster == nil {
h.rd.JSON(w, http.StatusInternalServerError, server.ErrNotBootstrapped.Error())
return
}
startKey, endKey := r.URL.Query().Get("start_key"), r.URL.Query().Get("end_key")
stats := cluster.GetRegionStats([]byte(startKey), []byte(endKey))
h.rd.JSON(w, http.StatusOK, stats)
}