/
queryz.go
62 lines (54 loc) · 1.23 KB
/
queryz.go
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/*
* Radon
*
* Copyright 2018 The Radon Authors.
* Code is licensed under the GPLv3.
*
*/
package v1
import (
"strconv"
"time"
"proxy"
"github.com/ant0ine/go-json-rest/rest"
"github.com/xelabs/go-mysqlstack/xlog"
)
// QueryzHandler impl.
func QueryzHandler(log *xlog.Log, proxy *proxy.Proxy) rest.HandlerFunc {
f := func(w rest.ResponseWriter, r *rest.Request) {
queryzHandler(log, proxy, w, r)
}
return f
}
func queryzHandler(log *xlog.Log, proxy *proxy.Proxy, w rest.ResponseWriter, r *rest.Request) {
type query struct {
ConnID uint64 `json:"connID"`
Host string `json:"host"`
Start time.Time `json:"start"`
Duration time.Duration `json:"duration"`
Color string `json:"color"`
Query string `json:"query"`
}
limit := 100
if v, err := strconv.Atoi(r.PathParam("limit")); err == nil {
limit = v
}
var rsp []query
scatter := proxy.Scatter()
rows := scatter.Queryz().GetQueryzRows()
for i, row := range rows {
if i >= limit {
break
}
r := query{
ConnID: uint64(row.ConnID),
Host: row.Address,
Start: row.Start,
Duration: row.Duration,
Color: row.Color,
Query: row.Query,
}
rsp = append(rsp, r)
}
w.WriteJson(rsp)
}