| // Copyright 2018 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package main |
| |
| import ( |
| "context" |
| "errors" |
| "flag" |
| "fmt" |
| "log" |
| |
| "github.com/google/subcommands" |
| ) |
| |
| type resolveCmd struct { |
| devFinderCmd |
| } |
| |
| func (*resolveCmd) Name() string { |
| return "resolve" |
| } |
| |
| func (*resolveCmd) Usage() string { |
| return "resolve [flags...] [domains...]\n\nflags:\n" |
| } |
| |
| func (*resolveCmd) Synopsis() string { |
| return "attempts to resolve all passed Fuchsia domain names on the network" |
| } |
| |
| func (cmd *resolveCmd) SetFlags(f *flag.FlagSet) { |
| cmd.SetCommonFlags(f) |
| } |
| |
| func (cmd *resolveCmd) resolveDevices(ctx context.Context, domains ...string) ([]*fuchsiaDevice, error) { |
| if len(domains) == 0 { |
| return nil, errors.New("no domains supplied") |
| } |
| deviceFinders, err := cmd.deviceFinders() |
| if err != nil { |
| return nil, err |
| } |
| f := make(chan *fuchsiaDevice, 1024) |
| for _, finder := range deviceFinders { |
| if err := finder.resolve(ctx, f, domains...); err != nil { |
| return nil, err |
| } |
| } |
| devices, err := cmd.filterInboundDevices(ctx, f, domains...) |
| if err != nil { |
| return nil, err |
| } |
| if len(devices) == 0 { |
| return nil, fmt.Errorf("no devices found for domains: %v", domains) |
| } |
| return devices, err |
| } |
| |
| func (cmd *resolveCmd) execute(ctx context.Context, domains ...string) error { |
| outDevices, err := cmd.resolveDevices(ctx, domains...) |
| if err != nil { |
| return err |
| } |
| |
| if cmd.json { |
| return cmd.outputJSON(outDevices, false /* includeDomain */) |
| } |
| return cmd.outputNormal(outDevices, false /* includeDomain */) |
| } |
| |
| func (cmd *resolveCmd) Execute(ctx context.Context, f *flag.FlagSet, _ ...interface{}) subcommands.ExitStatus { |
| if err := cmd.execute(ctx, f.Args()...); err != nil { |
| log.Print(err) |
| return subcommands.ExitFailure |
| } |
| return subcommands.ExitSuccess |
| } |