// serveHTTPGateway collects options, creates listener, prints status message and starts serving requests
func serveHTTPGateway(req cmds.Request) (error, <-chan error) {
cfg, err := req.InvocContext().GetConfig()
if err != nil {
return fmt.Errorf("serveHTTPGateway: GetConfig() failed: %s", err), nil
}
gatewayMaddr, err := ma.NewMultiaddr(cfg.Addresses.Gateway)
if err != nil {
return fmt.Errorf("serveHTTPGateway: invalid gateway address: %q (err: %s)", cfg.Addresses.Gateway, err), nil
}
writable, writableOptionFound, err := req.Option(writableKwd).Bool()
if err != nil {
return fmt.Errorf("serveHTTPGateway: req.Option(%s) failed: %s", writableKwd, err), nil
}
if !writableOptionFound {
writable = cfg.Gateway.Writable
}
gwLis, err := manet.Listen(gatewayMaddr)
if err != nil {
return fmt.Errorf("serveHTTPGateway: manet.Listen(%s) failed: %s", gatewayMaddr, err), nil
}
// we might have listened to /tcp/0 - lets see what we are listing on
gatewayMaddr = gwLis.Multiaddr()
if writable {
fmt.Printf("Gateway (writable) server listening on %s\n", gatewayMaddr)
} else {
fmt.Printf("Gateway (readonly) server listening on %s\n", gatewayMaddr)
}
var opts = []corehttp.ServeOption{
corehttp.CommandsROOption(*req.InvocContext()),
corehttp.VersionOption(),
corehttp.IPNSHostnameOption(),
corehttp.GatewayOption(writable),
}
if len(cfg.Gateway.RootRedirect) > 0 {
opts = append(opts, corehttp.RedirectOption("", cfg.Gateway.RootRedirect))
}
node, err := req.InvocContext().ConstructNode()
if err != nil {
return fmt.Errorf("serveHTTPGateway: ConstructNode() failed: %s", err), nil
}
errc := make(chan error)
go func() {
errc <- corehttp.Serve(node, gwLis.NetListener(), opts...)
close(errc)
}()
return nil, errc
}
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...)
}
func run(ipfsPath, watchPath string) error {
proc := process.WithParent(process.Background())
log.Printf("running IPFSWatch on '%s' using repo at '%s'...", watchPath, ipfsPath)
ipfsPath, err := homedir.Expand(ipfsPath)
if err != nil {
return err
}
watcher, err := fsnotify.NewWatcher()
if err != nil {
return err
}
defer watcher.Close()
if err := addTree(watcher, watchPath); err != nil {
return err
}
r, err := fsrepo.Open(ipfsPath)
if err != nil {
// TODO handle case: daemon running
// TODO handle case: repo doesn't exist or isn't initialized
return err
}
node, err := core.NewNode(context.Background(), &core.BuildCfg{
Online: true,
Repo: r,
})
if err != nil {
return err
}
defer node.Close()
if *http {
addr := "/ip4/127.0.0.1/tcp/5001"
var opts = []corehttp.ServeOption{
corehttp.GatewayOption(true),
corehttp.WebUIOption,
corehttp.CommandsOption(cmdCtx(node, ipfsPath)),
}
proc.Go(func(p process.Process) {
if err := corehttp.ListenAndServe(node, addr, opts...); err != nil {
return
}
})
}
interrupts := make(chan os.Signal)
signal.Notify(interrupts, os.Interrupt, os.Kill)
for {
select {
case <-interrupts:
return nil
case e := <-watcher.Events:
log.Printf("received event: %s", e)
isDir, err := IsDirectory(e.Name)
if err != nil {
continue
}
switch e.Op {
case fsnotify.Remove:
if isDir {
if err := watcher.Remove(e.Name); err != nil {
return err
}
}
default:
// all events except for Remove result in an IPFS.Add, but only
// directory creation triggers a new watch
switch e.Op {
case fsnotify.Create:
if isDir {
addTree(watcher, e.Name)
}
}
proc.Go(func(p process.Process) {
file, err := os.Open(e.Name)
if err != nil {
log.Println(err)
}
defer file.Close()
k, err := coreunix.Add(node, file)
if err != nil {
log.Println(err)
}
log.Printf("added %s... key: %s", e.Name, k)
})
}
case err := <-watcher.Errors:
log.Println(err)
}
}
return nil
}