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logger.go
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logger.go
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// Copyright 2013 Martini Authors
// Copyright 2014 Unknwon
//
// 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.
package middleware
import (
"net/http"
"time"
"github.com/grafana/grafana/pkg/setting"
"github.com/prometheus/client_golang/prometheus"
"gopkg.in/macaron.v1"
)
func Logger() macaron.Handler {
return func(res http.ResponseWriter, req *http.Request, c *macaron.Context) {
start := time.Now()
c.Data["perfmon.start"] = start
rw := res.(macaron.ResponseWriter)
c.Next()
timeTakenMs := time.Since(start) / time.Millisecond
if timer, ok := c.Data["perfmon.timer"]; ok {
timerTyped := timer.(prometheus.Summary)
timerTyped.Observe(float64(timeTakenMs))
}
status := rw.Status()
if status == 200 || status == 304 {
if !setting.RouterLogging {
return
}
}
if ctx, ok := c.Data["ctx"]; ok {
ctxTyped := ctx.(*Context)
if status == 500 {
ctxTyped.Logger.Error("Request Completed", "method", req.Method, "path", req.URL.Path, "status", status, "remote_addr", c.RemoteAddr(), "time_ms", int64(timeTakenMs), "size", rw.Size(), "referer", req.Referer())
} else {
ctxTyped.Logger.Info("Request Completed", "method", req.Method, "path", req.URL.Path, "status", status, "remote_addr", c.RemoteAddr(), "time_ms", int64(timeTakenMs), "size", rw.Size(), "referer", req.Referer())
}
}
}
}