func apiClientForAddr(addr ma.Multiaddr) (cmdsHttp.Client, error) {
_, host, err := manet.DialArgs(addr)
if err != nil {
return nil, err
}
return cmdsHttp.NewClient(host), nil
}
func NewShell(url string) *Shell {
if a, err := ma.NewMultiaddr(url); err == nil {
_, host, err := manet.DialArgs(a)
if err == nil {
url = host
}
}
return &Shell{
url: url,
httpcli: &gohttp.Client{
Transport: &gohttp.Transport{
DisableKeepAlives: true,
},
},
}
}
func main() {
flag.Parse()
// extract address from host flag
addr, err := ma.NewMultiaddr(*host)
if err != nil {
log.Fatal("NewMultiaddr() failed: ", err)
}
p := addr.Protocols()
if len(p) < 2 {
log.Fatal("need two protocols in host flag (/ip/tcp): ", addr)
}
_, host, err := manet.DialArgs(addr)
if err != nil {
log.Fatal("manet.DialArgs() failed: ", err)
}
if *verbose { // lower log level
logging.SetDebugLogging()
}
// construct url to dial
var u url.URL
u.Scheme = "http"
u.Host = host
u.Path = *endpoint
// show what we got
start := time.Now()
log.Debug("starting at %s, tries: %d, timeout: %s, url: %s", start, *tries, *timeout, u)
for *tries > 0 {
err := checkOK(http.Get(u.String()))
if err == nil {
log.Debugf("ok - endpoint reachable with %d tries remaining, took %s", *tries, time.Since(start))
os.Exit(0)
}
log.Debug("get failed: ", err)
time.Sleep(*timeout)
*tries--
}
log.Error("failed.")
os.Exit(1)
}
func GetNodesAPIAddr(nnum int) (string, error) {
addrb, err := ioutil.ReadFile(path.Join(IpfsDirN(nnum), "api"))
if err != nil {
return "", err
}
maddr, err := ma.NewMultiaddr(string(addrb))
if err != nil {
fmt.Println("error parsing multiaddr: ", err)
return "", err
}
_, addr, err := manet.DialArgs(maddr)
if err != nil {
fmt.Println("error on multiaddr dialargs: ", err)
return "", err
}
return addr, nil
}
func IpfsStart(waitall bool) error {
var addrs []string
n := GetNumNodes()
for i := 0; i < n; i++ {
dir := IpfsDirN(i)
cmd := exec.Command("ipfs", "daemon")
cmd.Dir = dir
cmd.Env = envForDaemon(i)
setupOpt(cmd)
stdout, err := os.Create(path.Join(dir, "daemon.stdout"))
if err != nil {
return err
}
stderr, err := os.Create(path.Join(dir, "daemon.stderr"))
if err != nil {
return err
}
cmd.Stdout = stdout
cmd.Stderr = stderr
err = cmd.Start()
if err != nil {
return err
}
pid := cmd.Process.Pid
fmt.Printf("Started daemon %d, pid = %d\n", i, pid)
err = ioutil.WriteFile(path.Join(dir, "daemon.pid"), []byte(fmt.Sprint(pid)), 0666)
if err != nil {
return err
}
// Make sure node 0 is up before starting the rest so
// bootstrapping works properly
cfg, err := serial.Load(path.Join(IpfsDirN(i), "config"))
if err != nil {
return err
}
maddr := ma.StringCast(cfg.Addresses.API)
_, addr, err := manet.DialArgs(maddr)
if err != nil {
return err
}
addrs = append(addrs, addr)
err = waitOnAPI(cfg.Identity.PeerID, i)
if err != nil {
return err
}
}
if waitall {
for i := 0; i < n; i++ {
err := waitOnSwarmPeers(i)
if err != nil {
return err
}
}
}
return nil
}