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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 common
import (
"net/http"
"strings"
"github.com/labstack/echo/v4"
"github.com/algorand/go-algorand/daemon/algod/api/server/lib"
"github.com/algorand/go-algorand/util/metrics"
)
// Metrics returns data collected by util/metrics
func Metrics(ctx lib.ReqContext, context echo.Context) {
// swagger:operation GET /metrics Metrics
//---
// Summary: Return metrics about algod functioning.
// Produces:
// - text/plain
// Schemes:
// - http
// Responses:
// 200:
// description: text with \#-comments and key:value lines
// 404:
// description: metrics were compiled out
w := context.Response().Writer
w.Header().Set("Content-Type", "text/plain")
w.WriteHeader(http.StatusOK)
var buf strings.Builder
metrics.DefaultRegistry().WriteMetrics(&buf, "")
w.Write([]byte(buf.String()))
}
func init() {
Routes = append(Routes,
lib.Route{
Name: "metrics",
Method: "GET",
Path: "/metrics",
HandlerFunc: Metrics,
},
)
}
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