1 package net.pterodactylus.fcp.quelaton;
3 import java.io.IOException;
4 import java.util.Optional;
5 import java.util.concurrent.ExecutionException;
6 import java.util.concurrent.ExecutorService;
7 import java.util.concurrent.atomic.AtomicBoolean;
8 import java.util.concurrent.atomic.AtomicReference;
10 import net.pterodactylus.fcp.ModifyPeer;
11 import net.pterodactylus.fcp.Peer;
12 import net.pterodactylus.fcp.UnknownNodeIdentifier;
14 import com.google.common.util.concurrent.ListenableFuture;
15 import com.google.common.util.concurrent.ListeningExecutorService;
16 import com.google.common.util.concurrent.MoreExecutors;
19 * Default {@link ModifyPeerCommand} implementation based on {@link FcpDialog}.
21 * @author <a href="mailto:bombe@freenetproject.org">David ‘Bombe’ Roden</a>
23 public class ModifyPeerCommandImpl implements ModifyPeerCommand {
25 private final ListeningExecutorService threadPool;
26 private final ConnectionSupplier connectionSupplier;
27 private final AtomicReference<String> nodeIdentifier = new AtomicReference<>();
28 private final AtomicReference<Boolean> enabled = new AtomicReference<>();
29 private final AtomicReference<Boolean> allowLocalAddresses = new AtomicReference<>();
30 private final AtomicReference<Boolean> burstOnly = new AtomicReference<>();
31 private final AtomicReference<Boolean> listenOnly = new AtomicReference<>();
32 private final AtomicReference<Boolean> ignoreSource = new AtomicReference<>();
34 public ModifyPeerCommandImpl(ExecutorService threadPool, ConnectionSupplier connectionSupplier) {
35 this.threadPool = MoreExecutors.listeningDecorator(threadPool);
36 this.connectionSupplier = connectionSupplier;
40 public ModifyPeerCommand enable() {
46 public ModifyPeerCommand disable() {
52 public ModifyPeerCommand allowLocalAddresses() {
53 allowLocalAddresses.set(true);
58 public ModifyPeerCommand disallowLocalAddresses() {
59 allowLocalAddresses.set(false);
64 public ModifyPeerCommand setBurstOnly() {
70 public ModifyPeerCommand clearBurstOnly() {
76 public ModifyPeerCommand setListenOnly() {
82 public ModifyPeerCommand clearListenOnly() {
83 listenOnly.set(false);
88 public ModifyPeerCommand ignoreSource() {
89 ignoreSource.set(true);
94 public ModifyPeerCommand useSource() {
95 ignoreSource.set(false);
100 public Executable<Optional<Peer>> byName(String name) {
101 nodeIdentifier.set(name);
102 return this::execute;
106 public Executable<Optional<Peer>> byIdentity(String nodeIdentity) {
107 nodeIdentifier.set(nodeIdentity);
108 return this::execute;
112 public Executable<Optional<Peer>> byHostAndPort(String host, int port) {
113 nodeIdentifier.set(String.format("%s:%d", host, port));
114 return this::execute;
117 private ListenableFuture<Optional<Peer>> execute() {
118 return threadPool.submit(this::executeSequence);
121 private Optional<Peer> executeSequence() throws IOException, ExecutionException, InterruptedException {
122 ModifyPeer modifyPeer = new ModifyPeer(new RandomIdentifierGenerator().generate(), nodeIdentifier.get());
123 Optional.ofNullable(enabled.get()).ifPresent(enabled -> modifyPeer.setEnabled(enabled));
124 Optional.ofNullable(allowLocalAddresses.get()).ifPresent(allowed -> modifyPeer.setAllowLocalAddresses(allowed));
125 Optional.ofNullable(burstOnly.get()).ifPresent(burstOnly -> modifyPeer.setBurstOnly(burstOnly));
126 Optional.ofNullable(listenOnly.get()).ifPresent(listenOnly -> modifyPeer.setListenOnly(listenOnly));
127 Optional.ofNullable(ignoreSource.get()).ifPresent(ignoreSource -> modifyPeer.setIgnoreSource(ignoreSource));
128 try (ModifyPeerDialog modifyPeerDialog = new ModifyPeerDialog()) {
129 return modifyPeerDialog.send(modifyPeer).get();
133 private class ModifyPeerDialog extends FcpDialog<Optional<Peer>> {
135 private final AtomicBoolean finished = new AtomicBoolean();
136 private final AtomicReference<Peer> peer = new AtomicReference<>();
138 public ModifyPeerDialog() throws IOException {
139 super(threadPool, connectionSupplier.get());
143 protected boolean isFinished() {
144 return finished.get();
148 protected Optional<Peer> getResult() {
149 return Optional.ofNullable(peer.get());
153 protected void consumePeer(Peer peer) {
159 protected void consumeUnknownNodeIdentifier(UnknownNodeIdentifier unknownNodeIdentifier) {