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// Copyright (C) 2019-2023 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
package middlewares
import (
"strconv"
"time"
"github.com/labstack/echo/v4"
log "github.com/algorand/go-algorand/logging"
)
// LoggerMiddleware provides some extra state to the logger middleware
type LoggerMiddleware struct {
log log.Logger
}
// MakeLogger initializes the logger middleware function
func MakeLogger(log log.Logger) echo.MiddlewareFunc {
logger := LoggerMiddleware{
log: log,
}
return logger.handler
}
// Logger is an echo middleware to add log to the API
func (logger *LoggerMiddleware) handler(next echo.HandlerFunc) echo.HandlerFunc {
return func(ctx echo.Context) (err error) {
start := time.Now()
// Get a reference to the response object.
res := ctx.Response()
req := ctx.Request()
// Propagate the error if the next middleware has a problem
if err = next(ctx); err != nil {
ctx.Error(err)
}
logger.log.Infof("%s %s %s [%v] \"%s %s %s\" %d %s \"%s\" %s",
req.RemoteAddr,
"-",
"-",
start,
req.Method,
req.RequestURI,
req.Proto, // string "HTTP/1.1"
res.Status,
strconv.FormatInt(res.Size, 10), // bytes_out
req.UserAgent(),
time.Since(start),
)
return
}
}
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