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120 lines
3.3 KiB
120 lines
3.3 KiB
// 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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"io"
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"net"
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"net/http"
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"os"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/ethereum/go-ethereum/swarm/storage/mock"
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"github.com/ethereum/go-ethereum/swarm/storage/mock/db"
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"github.com/ethereum/go-ethereum/swarm/storage/mock/mem"
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cli "gopkg.in/urfave/cli.v1"
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)
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// startHTTP starts a global store with HTTP RPC server.
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// It is used for "http" cli command.
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func startHTTP(ctx *cli.Context) (err error) {
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server, cleanup, err := newServer(ctx)
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if err != nil {
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return err
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}
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defer cleanup()
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listener, err := net.Listen("tcp", ctx.String("addr"))
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if err != nil {
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return err
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}
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log.Info("http", "address", listener.Addr().String())
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return http.Serve(listener, server)
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}
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// startWS starts a global store with WebSocket RPC server.
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// It is used for "websocket" cli command.
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func startWS(ctx *cli.Context) (err error) {
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server, cleanup, err := newServer(ctx)
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if err != nil {
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return err
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}
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defer cleanup()
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listener, err := net.Listen("tcp", ctx.String("addr"))
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if err != nil {
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return err
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}
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origins := ctx.StringSlice("origins")
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log.Info("websocket", "address", listener.Addr().String(), "origins", origins)
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return http.Serve(listener, server.WebsocketHandler(origins))
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}
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// newServer creates a global store and starts a chunk explorer server if configured.
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// Returned cleanup function should be called only if err is nil.
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func newServer(ctx *cli.Context) (server *rpc.Server, cleanup func(), err error) {
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log.PrintOrigins(true)
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log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(ctx.Int("verbosity")), log.StreamHandler(os.Stdout, log.TerminalFormat(false))))
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cleanup = func() {}
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var globalStore mock.GlobalStorer
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dir := ctx.String("dir")
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if dir != "" {
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dbStore, err := db.NewGlobalStore(dir)
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if err != nil {
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return nil, nil, err
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}
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cleanup = func() {
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if err := dbStore.Close(); err != nil {
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log.Error("global store: close", "err", err)
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}
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}
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globalStore = dbStore
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log.Info("database global store", "dir", dir)
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} else {
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globalStore = mem.NewGlobalStore()
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log.Info("in-memory global store")
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}
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server = rpc.NewServer()
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if err := server.RegisterName("mockStore", globalStore); err != nil {
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cleanup()
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return nil, nil, err
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}
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shutdown, err := serveChunkExplorer(ctx, globalStore)
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if err != nil {
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cleanup()
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return nil, nil, err
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}
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if shutdown != nil {
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cleanup = func() {
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shutdown()
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if c, ok := globalStore.(io.Closer); ok {
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if err := c.Close(); err != nil {
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log.Error("global store: close", "err", err)
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}
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}
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}
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}
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return server, cleanup, nil
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}
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