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Merge pull request #367 from libp2p/1.1.1
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| name: Bug Report | ||
| description: Create a bug report for jvm-libp2p | ||
|
|
||
| body: | ||
| - type: markdown | ||
| attributes: | ||
| value: | | ||
| Thank you for filing a bug report! | ||
| - type: textarea | ||
| attributes: | ||
| label: Summary | ||
| description: Please provide a short summary of the bug, along with any information you feel relevant to replicate the bug. | ||
| validations: | ||
| required: true | ||
| - type: textarea | ||
| attributes: | ||
| label: Expected behavior | ||
| description: Describe what you expect to happen. | ||
| validations: | ||
| required: true | ||
| - type: textarea | ||
| attributes: | ||
| label: Actual behavior | ||
| description: Describe what actually happens. | ||
| validations: | ||
| required: true | ||
| - type: textarea | ||
| attributes: | ||
| label: Relevant log output | ||
| description: Please copy and paste any relevant log output. This will be automatically formatted into code, so no need for backticks. | ||
| render: shell | ||
| validations: | ||
| required: false | ||
| - type: textarea | ||
| attributes: | ||
| label: Possible Solution | ||
| description: Suggest a fix/reason for the bug, or ideas how to implement the addition or change. | ||
| validations: | ||
| required: false | ||
| - type: textarea | ||
| attributes: | ||
| label: Version | ||
| description: Which version of libp2p are you using? libp2p version (version number, commit, or branch) | ||
| validations: | ||
| required: false | ||
| - type: dropdown | ||
| attributes: | ||
| label: Would you like to work on fixing this bug ? | ||
| description: Any contribution towards fixing the bug is greatly appreciated. We are more than happy to provide help on the process. | ||
| options: | ||
| - "Yes" | ||
| - "No" | ||
| - Maybe | ||
| validations: | ||
| required: true |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| blank_issues_enabled: true | ||
| contact_links: | ||
| - name: Technical Questions | ||
| url: https://github.com/libp2p/jvm-libp2p/discussions/new?category=q-a | ||
| about: Please ask technical questions in the jvm-libp2p Github Discussions forum. | ||
| - name: Community-wide libp2p Discussion | ||
| url: https://discuss.libp2p.io | ||
| about: Discussions and questions about the libp2p community. |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| name: Enhancement | ||
| description: Suggest an improvement to an existing jvm-libp2p feature. | ||
| body: | ||
| - type: textarea | ||
| attributes: | ||
| label: Description | ||
| description: Describe the enhancement that you are proposing. | ||
| validations: | ||
| required: true | ||
| - type: textarea | ||
| attributes: | ||
| label: Motivation | ||
| description: Explain why this enhancement is beneficial. | ||
| validations: | ||
| required: true | ||
| - type: textarea | ||
| attributes: | ||
| label: Current Implementation | ||
| description: Describe the current implementation. | ||
| validations: | ||
| required: true | ||
| - type: dropdown | ||
| attributes: | ||
| label: Are you planning to do it yourself in a pull request ? | ||
| description: Any contribution is greatly appreciated. We are more than happy to provide help on the process. | ||
| options: | ||
| - "Yes" | ||
| - "No" | ||
| - Maybe | ||
| validations: | ||
| required: true |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| name: Feature request | ||
| description: Suggest a new feature in jvm-libp2p | ||
| body: | ||
| - type: markdown | ||
| attributes: | ||
| value: | | ||
| If you'd like to suggest a feature related to libp2p but not specifically related to the JVM implementation, please file an issue at https://github.com/libp2p/specs instead. | ||
| - type: textarea | ||
| attributes: | ||
| label: Description | ||
| description: Briefly describe the feature that you are requesting. | ||
| validations: | ||
| required: true | ||
| - type: textarea | ||
| attributes: | ||
| label: Motivation | ||
| description: Explain why this feature is needed. | ||
| validations: | ||
| required: true | ||
| - type: textarea | ||
| attributes: | ||
| label: Requirements | ||
| description: Write a list of what you want this feature to do. | ||
| placeholder: "1." | ||
| validations: | ||
| required: true | ||
| - type: textarea | ||
| attributes: | ||
| label: Open questions | ||
| description: Use this section to ask any questions that are related to the feature. | ||
| validations: | ||
| required: false | ||
| - type: dropdown | ||
| attributes: | ||
| label: Are you planning to do it yourself in a pull request ? | ||
| description: Any contribution is greatly appreciated. We are more than happy to provide help on the process. | ||
| options: | ||
| - "Yes" | ||
| - "No" | ||
| - Maybe | ||
| validations: | ||
| required: true |
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172 changes: 172 additions & 0 deletions
172
libp2p/src/main/java/io/libp2p/protocol/autonat/AutonatProtocol.java
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| Original file line number | Diff line number | Diff line change |
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| package io.libp2p.protocol.autonat; | ||
|
|
||
| import com.google.protobuf.*; | ||
| import io.libp2p.core.*; | ||
| import io.libp2p.core.Stream; | ||
| import io.libp2p.core.multiformats.*; | ||
| import io.libp2p.core.multistream.*; | ||
| import io.libp2p.protocol.*; | ||
| import io.libp2p.protocol.autonat.pb.*; | ||
| import java.io.*; | ||
| import java.net.*; | ||
| import java.util.*; | ||
| import java.util.concurrent.*; | ||
| import java.util.stream.*; | ||
| import org.jetbrains.annotations.*; | ||
|
|
||
| public class AutonatProtocol extends ProtobufProtocolHandler<AutonatProtocol.AutoNatController> { | ||
|
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| public static class Binding extends StrictProtocolBinding<AutoNatController> { | ||
| public Binding() { | ||
| super("/libp2p/autonat/v1.0.0", new AutonatProtocol()); | ||
| } | ||
| } | ||
|
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| public interface AutoNatController { | ||
| CompletableFuture<Autonat.Message> rpc(Autonat.Message req); | ||
|
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| default CompletableFuture<Autonat.Message.DialResponse> requestDial( | ||
| PeerId ourId, List<Multiaddr> us) { | ||
| if (us.isEmpty()) | ||
| throw new IllegalStateException("Requested autonat dial with no addresses!"); | ||
| return rpc(Autonat.Message.newBuilder() | ||
| .setType(Autonat.Message.MessageType.DIAL) | ||
| .setDial( | ||
| Autonat.Message.Dial.newBuilder() | ||
| .setPeer( | ||
| Autonat.Message.PeerInfo.newBuilder() | ||
| .addAllAddrs( | ||
| us.stream() | ||
| .map(a -> ByteString.copyFrom(a.serialize())) | ||
| .collect(Collectors.toList())) | ||
| .setId(ByteString.copyFrom(ourId.getBytes())))) | ||
| .build()) | ||
| .thenApply(msg -> msg.getDialResponse()); | ||
| } | ||
| } | ||
|
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| public static class Sender implements ProtocolMessageHandler<Autonat.Message>, AutoNatController { | ||
| private final Stream stream; | ||
| private final LinkedBlockingDeque<CompletableFuture<Autonat.Message>> queue = | ||
| new LinkedBlockingDeque<>(); | ||
|
|
||
| public Sender(Stream stream) { | ||
| this.stream = stream; | ||
| } | ||
|
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||
| @Override | ||
| public void onMessage(@NotNull Stream stream, Autonat.Message msg) { | ||
| queue.poll().complete(msg); | ||
| } | ||
|
|
||
| public CompletableFuture<Autonat.Message> rpc(Autonat.Message req) { | ||
| CompletableFuture<Autonat.Message> res = new CompletableFuture<>(); | ||
| queue.add(res); | ||
| stream.writeAndFlush(req); | ||
| return res; | ||
| } | ||
| } | ||
|
|
||
| private static boolean sameIP(Multiaddr a, Multiaddr b) { | ||
| if (a.has(Protocol.IP4)) | ||
| return a.getFirstComponent(Protocol.IP4).equals(b.getFirstComponent(Protocol.IP4)); | ||
| if (a.has(Protocol.IP6)) | ||
| return a.getFirstComponent(Protocol.IP6).equals(b.getFirstComponent(Protocol.IP6)); | ||
| return false; | ||
| } | ||
|
|
||
| private static boolean reachableIP(Multiaddr a) { | ||
| try { | ||
| if (a.has(Protocol.IP4)) | ||
| return InetAddress.getByName(a.getFirstComponent(Protocol.IP4).getStringValue()) | ||
| .isReachable(1000); | ||
| if (a.has(Protocol.IP6)) | ||
| return InetAddress.getByName(a.getFirstComponent(Protocol.IP6).getStringValue()) | ||
| .isReachable(1000); | ||
| } catch (IOException e) { | ||
| } | ||
| return false; | ||
| } | ||
|
|
||
| public static class Receiver | ||
| implements ProtocolMessageHandler<Autonat.Message>, AutoNatController { | ||
| private final Stream p2pstream; | ||
|
|
||
| public Receiver(Stream p2pstream) { | ||
| this.p2pstream = p2pstream; | ||
| } | ||
|
|
||
| @Override | ||
| public void onMessage(@NotNull Stream stream, Autonat.Message msg) { | ||
| switch (msg.getType()) { | ||
| case DIAL: | ||
| { | ||
| Autonat.Message.Dial dial = msg.getDial(); | ||
| PeerId peerId = new PeerId(dial.getPeer().getId().toByteArray()); | ||
| List<Multiaddr> requestedDials = | ||
| dial.getPeer().getAddrsList().stream() | ||
| .map(s -> Multiaddr.deserialize(s.toByteArray())) | ||
| .collect(Collectors.toList()); | ||
| PeerId streamPeerId = stream.remotePeerId(); | ||
| if (!peerId.equals(streamPeerId)) { | ||
| p2pstream.close(); | ||
| return; | ||
| } | ||
|
|
||
| Multiaddr remote = stream.getConnection().remoteAddress(); | ||
| Optional<Multiaddr> reachable = | ||
| requestedDials.stream() | ||
| .filter(a -> sameIP(a, remote)) | ||
| .filter(a -> !a.has(Protocol.P2PCIRCUIT)) | ||
| .filter(a -> reachableIP(a)) | ||
| .findAny(); | ||
| Autonat.Message.Builder resp = | ||
| Autonat.Message.newBuilder().setType(Autonat.Message.MessageType.DIAL_RESPONSE); | ||
| if (reachable.isPresent()) { | ||
| resp = | ||
| resp.setDialResponse( | ||
| Autonat.Message.DialResponse.newBuilder() | ||
| .setStatus(Autonat.Message.ResponseStatus.OK) | ||
| .setAddr(ByteString.copyFrom(reachable.get().serialize()))); | ||
| } else { | ||
| resp = | ||
| resp.setDialResponse( | ||
| Autonat.Message.DialResponse.newBuilder() | ||
| .setStatus(Autonat.Message.ResponseStatus.E_DIAL_ERROR)); | ||
| } | ||
| p2pstream.writeAndFlush(resp); | ||
| } | ||
| default: | ||
| { | ||
| } | ||
| } | ||
| } | ||
|
|
||
| public CompletableFuture<Autonat.Message> rpc(Autonat.Message msg) { | ||
| return CompletableFuture.failedFuture( | ||
| new IllegalStateException("Cannot send form a receiver!")); | ||
| } | ||
| } | ||
|
|
||
| private static final int TRAFFIC_LIMIT = 2 * 1024; | ||
|
|
||
| public AutonatProtocol() { | ||
| super(Autonat.Message.getDefaultInstance(), TRAFFIC_LIMIT, TRAFFIC_LIMIT); | ||
| } | ||
|
|
||
| @NotNull | ||
| @Override | ||
| protected CompletableFuture<AutoNatController> onStartInitiator(@NotNull Stream stream) { | ||
| Sender replyPropagator = new Sender(stream); | ||
| stream.pushHandler(replyPropagator); | ||
| return CompletableFuture.completedFuture(replyPropagator); | ||
| } | ||
|
|
||
| @NotNull | ||
| @Override | ||
| protected CompletableFuture<AutoNatController> onStartResponder(@NotNull Stream stream) { | ||
| Receiver dialer = new Receiver(stream); | ||
| stream.pushHandler(dialer); | ||
| return CompletableFuture.completedFuture(dialer); | ||
| } | ||
| } |
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