コード例 #1
0
func InitializeSupernodeNetwork(
	ctx context.Context,
	numServers, numClients int,
	conf testutil.LatencyConfig) ([]*core.IpfsNode, []*core.IpfsNode, error) {

	// create network
	mn := mocknet.New(ctx)

	mn.SetLinkDefaults(mocknet.LinkOptions{
		Latency:   conf.NetworkLatency,
		Bandwidth: math.MaxInt32,
	})

	routingDatastore := ds2.CloserWrap(syncds.MutexWrap(datastore.NewMapDatastore()))
	var servers []*core.IpfsNode
	for i := 0; i < numServers; i++ {
		bootstrap, err := core.NewNode(ctx, &core.BuildCfg{
			Online:  true,
			Host:    mock.MockHostOption(mn),
			Routing: corerouting.SupernodeServer(routingDatastore),
		})
		if err != nil {
			return nil, nil, err
		}
		servers = append(servers, bootstrap)
	}

	var bootstrapInfos []peer.PeerInfo
	for _, n := range servers {
		info := n.Peerstore.PeerInfo(n.PeerHost.ID())
		bootstrapInfos = append(bootstrapInfos, info)
	}

	var clients []*core.IpfsNode
	for i := 0; i < numClients; i++ {
		n, err := core.NewNode(ctx, &core.BuildCfg{
			Online:  true,
			Host:    mock.MockHostOption(mn),
			Routing: corerouting.SupernodeClient(bootstrapInfos...),
		})
		if err != nil {
			return nil, nil, err
		}
		clients = append(clients, n)
	}
	mn.LinkAll()

	bcfg := core.BootstrapConfigWithPeers(bootstrapInfos)
	for _, n := range clients {
		if err := n.Bootstrap(bcfg); err != nil {
			return nil, nil, err
		}
	}
	return servers, clients, nil
}
コード例 #2
0
ファイル: main.go プロジェクト: djbarber/ipfs-hack
func run() error {
	servers := config.DefaultSNRServers
	fmt.Println("using gcr remotes:")
	for _, p := range servers {
		fmt.Println("\t", p)
	}

	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	cwd, err := os.Getwd()
	if err != nil {
		return err
	}
	repoPath := gopath.Join(cwd, config.DefaultPathName)
	if err := ensureRepoInitialized(repoPath); err != nil {
	}
	repo, err := fsrepo.Open(repoPath)
	if err != nil { // owned by node
		return err
	}
	cfg, err := repo.Config()
	if err != nil {
		return err
	}

	cfg.Bootstrap = servers
	if err := repo.SetConfig(cfg); err != nil {
		return err
	}

	var addrs []ipfsaddr.IPFSAddr
	for _, info := range servers {
		addr, err := ipfsaddr.ParseString(info)
		if err != nil {
			return err
		}
		addrs = append(addrs, addr)
	}

	var infos []peer.PeerInfo
	for _, addr := range addrs {
		infos = append(infos, peer.PeerInfo{
			ID:    addr.ID(),
			Addrs: []ma.Multiaddr{addr.Transport()},
		})
	}

	node, err := core.NewNode(ctx, &core.BuildCfg{
		Online:  true,
		Repo:    repo,
		Routing: corerouting.SupernodeClient(infos...),
	})
	if err != nil {
		return err
	}
	defer node.Close()

	opts := []corehttp.ServeOption{
		corehttp.CommandsOption(cmdCtx(node, repoPath)),
		corehttp.GatewayOption(false),
	}

	if *cat {
		if err := runFileCattingWorker(ctx, node); err != nil {
			return err
		}
	} else {
		if err := runFileAddingWorker(node); err != nil {
			return err
		}
	}
	return corehttp.ListenAndServe(node, cfg.Addresses.API, opts...)
}
コード例 #3
0
ファイル: daemon.go プロジェクト: djbarber/ipfs-hack
func daemonFunc(req cmds.Request, res cmds.Response) {
	// let the user know we're going.
	fmt.Printf("Initializing daemon...\n")

	ctx := req.InvocContext()

	go func() {
		select {
		case <-req.Context().Done():
			fmt.Println("Received interrupt signal, shutting down...")
		}
	}()

	// check transport encryption flag.
	unencrypted, _, _ := req.Option(unencryptTransportKwd).Bool()
	if unencrypted {
		log.Warningf(`Running with --%s: All connections are UNENCRYPTED.
		You will not be able to connect to regular encrypted networks.`, unencryptTransportKwd)
		conn.EncryptConnections = false
	}

	// first, whether user has provided the initialization flag. we may be
	// running in an uninitialized state.
	initialize, _, err := req.Option(initOptionKwd).Bool()
	if err != nil {
		res.SetError(err, cmds.ErrNormal)
		return
	}

	if initialize {

		// now, FileExists is our best method of detecting whether IPFS is
		// configured. Consider moving this into a config helper method
		// `IsInitialized` where the quality of the signal can be improved over
		// time, and many call-sites can benefit.
		if !util.FileExists(req.InvocContext().ConfigRoot) {
			err := initWithDefaults(os.Stdout, req.InvocContext().ConfigRoot)
			if err != nil {
				res.SetError(err, cmds.ErrNormal)
				return
			}
		}
	}

	// acquire the repo lock _before_ constructing a node. we need to make
	// sure we are permitted to access the resources (datastore, etc.)
	repo, err := fsrepo.Open(req.InvocContext().ConfigRoot)
	if err != nil {
		res.SetError(err, cmds.ErrNormal)
		return
	}

	cfg, err := ctx.GetConfig()
	if err != nil {
		res.SetError(err, cmds.ErrNormal)
		return
	}

	// Start assembling node config
	ncfg := &core.BuildCfg{
		Online: true,
		Repo:   repo,
	}

	routingOption, _, err := req.Option(routingOptionKwd).String()
	if err != nil {
		res.SetError(err, cmds.ErrNormal)
		return
	}
	if routingOption == routingOptionSupernodeKwd {
		servers, err := cfg.SupernodeRouting.ServerIPFSAddrs()
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			repo.Close() // because ownership hasn't been transferred to the node
			return
		}
		var infos []peer.PeerInfo
		for _, addr := range servers {
			infos = append(infos, peer.PeerInfo{
				ID:    addr.ID(),
				Addrs: []ma.Multiaddr{addr.Transport()},
			})
		}

		ncfg.Routing = corerouting.SupernodeClient(infos...)
	}

	node, err := core.NewNode(req.Context(), ncfg)
	if err != nil {
		log.Error("error from node construction: ", err)
		res.SetError(err, cmds.ErrNormal)
		return
	}

	printSwarmAddrs(node)

	defer func() {
		// We wait for the node to close first, as the node has children
		// that it will wait for before closing, such as the API server.
		node.Close()

		select {
		case <-req.Context().Done():
			log.Info("Gracefully shut down daemon")
		default:
		}
	}()

	req.InvocContext().ConstructNode = func() (*core.IpfsNode, error) {
		return node, nil
	}

	// construct api endpoint - every time
	err, apiErrc := serveHTTPApi(req)
	if err != nil {
		res.SetError(err, cmds.ErrNormal)
		return
	}

	// construct http gateway - if it is set in the config
	var gwErrc <-chan error
	if len(cfg.Addresses.Gateway) > 0 {
		var err error
		err, gwErrc = serveHTTPGateway(req)
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}
	}

	// construct fuse mountpoints - if the user provided the --mount flag
	mount, _, err := req.Option(mountKwd).Bool()
	if err != nil {
		res.SetError(err, cmds.ErrNormal)
		return
	}
	if mount {
		if err := mountFuse(req); err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}
	}

	fmt.Printf("Daemon is ready\n")
	// collect long-running errors and block for shutdown
	// TODO(cryptix): our fuse currently doesnt follow this pattern for graceful shutdown
	for err := range merge(apiErrc, gwErrc) {
		if err != nil {
			res.SetError(err, cmds.ErrNormal)
			return
		}
	}
}