67 lines
2.1 KiB
Go
67 lines
2.1 KiB
Go
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// Copyright 2019 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// go-ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package main
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import (
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"context"
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"fmt"
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"net"
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"net/http"
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"time"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/swarm/storage/mock"
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"github.com/ethereum/go-ethereum/swarm/storage/mock/explorer"
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cli "gopkg.in/urfave/cli.v1"
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)
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// serveChunkExplorer starts an http server in background with chunk explorer handler
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// using the provided global store. Server is started if the returned shutdown function
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// is not nil.
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func serveChunkExplorer(ctx *cli.Context, globalStore mock.GlobalStorer) (shutdown func(), err error) {
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if !ctx.IsSet("explorer-address") {
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return nil, nil
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}
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corsOrigins := ctx.StringSlice("explorer-cors-origin")
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server := &http.Server{
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Handler: explorer.NewHandler(globalStore, corsOrigins),
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IdleTimeout: 30 * time.Minute,
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ReadTimeout: 2 * time.Minute,
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WriteTimeout: 2 * time.Minute,
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}
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listener, err := net.Listen("tcp", ctx.String("explorer-address"))
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if err != nil {
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return nil, fmt.Errorf("explorer: %v", err)
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}
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log.Info("chunk explorer http", "address", listener.Addr().String(), "origins", corsOrigins)
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go func() {
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if err := server.Serve(listener); err != nil {
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log.Error("chunk explorer", "err", err)
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}
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}()
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return func() {
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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if err := server.Shutdown(ctx); err != nil {
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log.Error("chunk explorer: shutdown", "err", err)
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}
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}, nil
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}
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