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namesys/pubsub: --enable-namesys-pubsub option and management
Commits: package.json: update go-libp2p-blankhost namesys: fix stale package imports update go-testutil namesys/pubsub: reduce bootstrap provide period to 8hr namesys/pubsub: try to extract the key from id first option to enable ipns pubsub: --enable-namesys-pubsub ipfs name pubsub management subcommands corehttp/gateway_test: mockNamesys needs to implement GetResolver pacify code climate License: MIT Signed-off-by: vyzo <vyzo@hackzen.org>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| package commands | ||
|
|
||
| import ( | ||
| "errors" | ||
| "fmt" | ||
| "io" | ||
| "strings" | ||
|
|
||
| cmds "github.com/ipfs/go-ipfs/commands" | ||
| ns "github.com/ipfs/go-ipfs/namesys" | ||
|
|
||
| u "gx/ipfs/QmSU6eubNdhXjFBJBSksTp8kv8YRub8mGAPv8tVJHmL2EU/go-ipfs-util" | ||
| ) | ||
|
|
||
| type ipnsPubsubState struct { | ||
| Enabled bool | ||
| } | ||
|
|
||
| // IpnsPubsubCmd is the subcommand that allows us to manage the IPNS pubsub system | ||
| var IpnsPubsubCmd = &cmds.Command{ | ||
| Helptext: cmds.HelpText{ | ||
| Tagline: "IPNS pubsub management", | ||
| ShortDescription: ` | ||
| Manage and inspect the state of the IPNS pubsub resolver. | ||
| Note: this command is experimental and subject to change as the system is refined | ||
| `, | ||
| }, | ||
| Subcommands: map[string]*cmds.Command{ | ||
| "state": ipnspsStateCmd, | ||
| "subs": ipnspsSubsCmd, | ||
| "cancel": ipnspsCancelCmd, | ||
| }, | ||
| } | ||
|
|
||
| var ipnspsStateCmd = &cmds.Command{ | ||
| Helptext: cmds.HelpText{ | ||
| Tagline: "Query the state of IPNS pubsub", | ||
| }, | ||
| Run: func(req cmds.Request, res cmds.Response) { | ||
| n, err := req.InvocContext().GetNode() | ||
| if err != nil { | ||
| res.SetError(err, cmds.ErrNormal) | ||
| return | ||
| } | ||
|
|
||
| _, ok := n.Namesys.GetResolver("pubsub") | ||
| res.SetOutput(&ipnsPubsubState{ok}) | ||
| }, | ||
| Type: ipnsPubsubState{}, | ||
| Marshalers: cmds.MarshalerMap{ | ||
| cmds.Text: func(res cmds.Response) (io.Reader, error) { | ||
| output, ok := res.Output().(*ipnsPubsubState) | ||
| if !ok { | ||
| return nil, u.ErrCast() | ||
| } | ||
|
|
||
| var state string | ||
| if output.Enabled { | ||
| state = "enabled" | ||
| } else { | ||
| state = "disabled" | ||
| } | ||
|
|
||
| return strings.NewReader(state + "\n"), nil | ||
| }, | ||
| }, | ||
| } | ||
|
|
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| var ipnspsSubsCmd = &cmds.Command{ | ||
| Helptext: cmds.HelpText{ | ||
| Tagline: "Show current name subscriptions", | ||
| }, | ||
| Run: func(req cmds.Request, res cmds.Response) { | ||
| n, err := req.InvocContext().GetNode() | ||
| if err != nil { | ||
| res.SetError(err, cmds.ErrNormal) | ||
| return | ||
| } | ||
|
|
||
| r, ok := n.Namesys.GetResolver("pubsub") | ||
| if !ok { | ||
| res.SetError(errors.New("IPNS pubsub subsystem is not enabled"), cmds.ErrClient) | ||
| return | ||
| } | ||
|
|
||
| psr, ok := r.(*ns.PubsubResolver) | ||
| if !ok { | ||
| res.SetError(fmt.Errorf("unexpected resolver type: %v", r), cmds.ErrNormal) | ||
| return | ||
| } | ||
|
|
||
| res.SetOutput(&stringList{psr.GetSubscriptions()}) | ||
| }, | ||
| Type: stringList{}, | ||
| Marshalers: cmds.MarshalerMap{ | ||
| cmds.Text: stringListMarshaler, | ||
| }, | ||
| } | ||
|
|
||
| var ipnspsCancelCmd = &cmds.Command{ | ||
| Helptext: cmds.HelpText{ | ||
| Tagline: "Cancel a name subscription", | ||
| }, | ||
| Run: func(req cmds.Request, res cmds.Response) { | ||
| n, err := req.InvocContext().GetNode() | ||
| if err != nil { | ||
| res.SetError(err, cmds.ErrNormal) | ||
| return | ||
| } | ||
|
|
||
| r, ok := n.Namesys.GetResolver("pubsub") | ||
| if !ok { | ||
| res.SetError(errors.New("IPNS pubsub subsystem is not enabled"), cmds.ErrClient) | ||
| return | ||
| } | ||
|
|
||
| psr, ok := r.(*ns.PubsubResolver) | ||
| if !ok { | ||
| res.SetError(fmt.Errorf("unexpected resolver type: %v", r), cmds.ErrNormal) | ||
| return | ||
| } | ||
|
|
||
| psr.Cancel(req.Arguments()[0]) | ||
| }, | ||
| Arguments: []cmds.Argument{ | ||
| cmds.StringArg("name", true, false, "Name to cancel the subscription for."), | ||
| }, | ||
| } |
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