// SetAPIAddr writes the API Addr to the /api file.
func (r *FSRepo) SetAPIAddr(addr ma.Multiaddr) error {
f, err := os.Create(filepath.Join(r.path, apiFile))
if err != nil {
return err
}
defer f.Close()
_, err = f.WriteString(addr.String())
return err
}
// getApiClient checks the repo, and the given options, checking for
// a running API service. if there is one, it returns a client.
// otherwise, it returns errApiNotRunning, or another error.
func getApiClient(repoPath, apiAddrStr string) (cmdsHttp.Client, error) {
var apiErrorFmt string
switch {
case osh.IsUnix():
apiErrorFmt = apiFileErrorFmt + checkIPFSUnixFmt
case osh.IsWindows():
apiErrorFmt = apiFileErrorFmt + checkIPFSWinFmt
default:
apiErrorFmt = apiFileErrorFmt
}
var addr ma.Multiaddr
var err error
if len(apiAddrStr) != 0 {
addr, err = ma.NewMultiaddr(apiAddrStr)
if err != nil {
return nil, err
}
if len(addr.Protocols()) == 0 {
return nil, fmt.Errorf("mulitaddr doesn't provide any protocols")
}
} else {
addr, err = fsrepo.APIAddr(repoPath)
if err == repo.ErrApiNotRunning {
return nil, err
}
if err != nil {
return nil, fmt.Errorf(apiErrorFmt, repoPath, err.Error())
}
}
if len(addr.Protocols()) == 0 {
return nil, fmt.Errorf(apiErrorFmt, repoPath, "multiaddr doesn't provide any protocols")
}
return apiClientForAddr(addr)
}