java.nio.channels.MembershipKey Java Examples

The following examples show how to use java.nio.channels.MembershipKey. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: MembershipKeyImpl.java    From Bytecoder with Apache License 2.0 6 votes vote down vote up 
@Override
public MembershipKey block(InetAddress toBlock)
    throws IOException
{
    if (source != null)
        throw new IllegalStateException("key is source-specific");

    synchronized (stateLock) {
        if ((blockedSet != null) && blockedSet.contains(toBlock)) {
            // already blocked, nothing to do
            return this;
        }

        ((DatagramChannelImpl)ch).block(this, toBlock);

        // created blocked set if required and add source address
        if (blockedSet == null)
            blockedSet = new HashSet<>();
        blockedSet.add(toBlock);
    }
    return this;
}
Example #2
Source File: NioDatagramChannel.java    From netty-4.1.22 with Apache License 2.0 5 votes vote down vote up 
@Override
public ChannelFuture leaveGroup(
        InetAddress multicastAddress, NetworkInterface networkInterface, InetAddress source,
        ChannelPromise promise) {
    checkJavaVersion();

    if (multicastAddress == null) {
        throw new NullPointerException("multicastAddress");
    }
    if (networkInterface == null) {
        throw new NullPointerException("networkInterface");
    }

    synchronized (this) {
        if (memberships != null) {
            List<MembershipKey> keys = memberships.get(multicastAddress);
            if (keys != null) {
                Iterator<MembershipKey> keyIt = keys.iterator();

                while (keyIt.hasNext()) {
                    MembershipKey key = keyIt.next();
                    if (networkInterface.equals(key.networkInterface())) {
                       if (source == null && key.sourceAddress() == null ||
                           source != null && source.equals(key.sourceAddress())) {
                           key.drop();
                           keyIt.remove();
                       }
                    }
                }
                if (keys.isEmpty()) {
                    memberships.remove(multicastAddress);
                }
            }
        }
    }

    promise.setSuccess();
    return promise;
}
Example #3
Source File: NioDatagramChannel.java    From netty-4.1.22 with Apache License 2.0 5 votes vote down vote up 
/**
 * Block the given sourceToBlock address for the given multicastAddress on the given networkInterface
 */
@Override
public ChannelFuture block(
        InetAddress multicastAddress, NetworkInterface networkInterface,
        InetAddress sourceToBlock, ChannelPromise promise) {
    checkJavaVersion();

    if (multicastAddress == null) {
        throw new NullPointerException("multicastAddress");
    }
    if (sourceToBlock == null) {
        throw new NullPointerException("sourceToBlock");
    }

    if (networkInterface == null) {
        throw new NullPointerException("networkInterface");
    }
    synchronized (this) {
        if (memberships != null) {
            List<MembershipKey> keys = memberships.get(multicastAddress);
            for (MembershipKey key: keys) {
                if (networkInterface.equals(key.networkInterface())) {
                    try {
                        key.block(sourceToBlock);
                    } catch (IOException e) {
                        promise.setFailure(e);
                    }
                }
            }
        }
    }
    promise.setSuccess();
    return promise;
}
Example #4
Source File: MembershipRegistry.java    From Bytecoder with Apache License 2.0 5 votes vote down vote up 
/**
 * Checks registry for membership of the group on the given
 * network interface.
 */
MembershipKey checkMembership(InetAddress group, NetworkInterface interf,
                              InetAddress source)
{
    if (groups != null) {
        List<MembershipKeyImpl> keys = groups.get(group);
        if (keys != null) {
            for (MembershipKeyImpl key: keys) {
                if (key.networkInterface().equals(interf)) {
                    // already a member to receive all packets so return
                    // existing key or detect conflict
                    if (source == null) {
                        if (key.sourceAddress() == null)
                            return key;
                        throw new IllegalStateException("Already a member to receive all packets");
                    }

                    // already have source-specific membership so return key
                    // or detect conflict
                    if (key.sourceAddress() == null)
                        throw new IllegalStateException("Already have source-specific membership");
                    if (source.equals(key.sourceAddress()))
                        return key;
                }
            }
        }
    }
    return null;
}
Example #5
Source File: DatagramChannelImpl.java    From Bytecoder with Apache License 2.0 5 votes vote down vote up 
@Override
public MembershipKey join(InetAddress group,
                          NetworkInterface interf)
    throws IOException
{
    return innerJoin(group, interf, null);
}
Example #6
Source File: DatagramChannelImpl.java    From Bytecoder with Apache License 2.0 5 votes vote down vote up 
@Override
public MembershipKey join(InetAddress group,
                          NetworkInterface interf,
                          InetAddress source)
    throws IOException
{
    Objects.requireNonNull(source);
    return innerJoin(group, interf, source);
}
Example #7
Source File: MembershipKeyImpl.java    From Bytecoder with Apache License 2.0 5 votes vote down vote up 
@Override
public MembershipKey unblock(InetAddress toUnblock) {
    synchronized (stateLock) {
        if ((blockedSet == null) || !blockedSet.contains(toUnblock))
            throw new IllegalStateException("not blocked");

        ((DatagramChannelImpl)ch).unblock(this, toUnblock);

        blockedSet.remove(toUnblock);
    }
    return this;
}
Example #8
Source File: NioDatagramChannel.java    From netty4.0.27Learn with Apache License 2.0 5 votes vote down vote up 
@Override
public ChannelFuture leaveGroup(
        InetAddress multicastAddress, NetworkInterface networkInterface, InetAddress source,
        ChannelPromise promise) {
    checkJavaVersion();

    if (multicastAddress == null) {
        throw new NullPointerException("multicastAddress");
    }
    if (networkInterface == null) {
        throw new NullPointerException("networkInterface");
    }

    synchronized (this) {
        if (memberships != null) {
            List<MembershipKey> keys = memberships.get(multicastAddress);
            if (keys != null) {
                Iterator<MembershipKey> keyIt = keys.iterator();

                while (keyIt.hasNext()) {
                    MembershipKey key = keyIt.next();
                    if (networkInterface.equals(key.networkInterface())) {
                       if (source == null && key.sourceAddress() == null ||
                           source != null && source.equals(key.sourceAddress())) {
                           key.drop();
                           keyIt.remove();
                       }
                    }
                }
                if (keys.isEmpty()) {
                    memberships.remove(multicastAddress);
                }
            }
        }
    }

    promise.setSuccess();
    return promise;
}
Example #9
Source File: NioDatagramChannel.java    From netty4.0.27Learn with Apache License 2.0 5 votes vote down vote up 
/**
 * Block the given sourceToBlock address for the given multicastAddress on the given networkInterface
 */
@Override
public ChannelFuture block(
        InetAddress multicastAddress, NetworkInterface networkInterface,
        InetAddress sourceToBlock, ChannelPromise promise) {
    checkJavaVersion();

    if (multicastAddress == null) {
        throw new NullPointerException("multicastAddress");
    }
    if (sourceToBlock == null) {
        throw new NullPointerException("sourceToBlock");
    }

    if (networkInterface == null) {
        throw new NullPointerException("networkInterface");
    }
    synchronized (this) {
        if (memberships != null) {
            List<MembershipKey> keys = memberships.get(multicastAddress);
            for (MembershipKey key: keys) {
                if (networkInterface.equals(key.networkInterface())) {
                    try {
                        key.block(sourceToBlock);
                    } catch (IOException e) {
                        promise.setFailure(e);
                    }
                }
            }
        }
    }
    promise.setSuccess();
    return promise;
}
Example #10
Source File: NioDatagramChannel.java    From netty-4.1.22 with Apache License 2.0 4 votes vote down vote up 
@Override
public ChannelFuture joinGroup(
        InetAddress multicastAddress, NetworkInterface networkInterface,
        InetAddress source, ChannelPromise promise) {

    checkJavaVersion();

    if (multicastAddress == null) {
        throw new NullPointerException("multicastAddress");
    }

    if (networkInterface == null) {
        throw new NullPointerException("networkInterface");
    }

    try {
        MembershipKey key;
        if (source == null) {
            key = javaChannel().join(multicastAddress, networkInterface);
        } else {
            key = javaChannel().join(multicastAddress, networkInterface, source);
        }

        synchronized (this) {
            List<MembershipKey> keys = null;
            if (memberships == null) {
                memberships = new HashMap<InetAddress, List<MembershipKey>>();
            } else {
                keys = memberships.get(multicastAddress);
            }
            if (keys == null) {
                keys = new ArrayList<MembershipKey>();
                memberships.put(multicastAddress, keys);
            }
            keys.add(key);
        }

        promise.setSuccess();
    } catch (Throwable e) {
        promise.setFailure(e);
    }

    return promise;
}
Example #11
Source File: NioDatagramChannel.java    From netty4.0.27Learn with Apache License 2.0 4 votes vote down vote up 
@Override
public ChannelFuture joinGroup(
        InetAddress multicastAddress, NetworkInterface networkInterface,
        InetAddress source, ChannelPromise promise) {

    checkJavaVersion();

    if (multicastAddress == null) {
        throw new NullPointerException("multicastAddress");
    }

    if (networkInterface == null) {
        throw new NullPointerException("networkInterface");
    }

    try {
        MembershipKey key;
        if (source == null) {
            key = javaChannel().join(multicastAddress, networkInterface);
        } else {
            key = javaChannel().join(multicastAddress, networkInterface, source);
        }

        synchronized (this) {
            List<MembershipKey> keys = null;
            if (memberships == null) {
                memberships = new HashMap<InetAddress, List<MembershipKey>>();
            } else {
                keys = memberships.get(multicastAddress);
            }
            if (keys == null) {
                keys = new ArrayList<MembershipKey>();
                memberships.put(multicastAddress, keys);
            }
            keys.add(key);
        }

        promise.setSuccess();
    } catch (Throwable e) {
        promise.setFailure(e);
    }

    return promise;
}
Example #12
Source File: DatagramChannelWithTimeouts.java    From jmeter-plugins with Apache License 2.0 4 votes vote down vote up 
@Override
public MembershipKey join(InetAddress inetAddress, NetworkInterface networkInterface) throws IOException {
    return channel.join(inetAddress, networkInterface);
}
Example #13
Source File: DatagramChannelWithTimeouts.java    From jmeter-plugins with Apache License 2.0 4 votes vote down vote up 
@Override
public MembershipKey join(InetAddress inetAddress, NetworkInterface networkInterface, InetAddress inetAddress1) throws IOException {
    return channel.join(inetAddress, networkInterface, inetAddress1);
}
Example #14
Source File: DatagramChannelEmul.java    From jmeter-plugins with Apache License 2.0 4 votes vote down vote up 
@Override
public MembershipKey join(InetAddress inetAddress, NetworkInterface networkInterface) throws IOException {
    throw new UnsupportedOperationException("Not supported yet.");
}
Example #15
Source File: DatagramChannelEmul.java    From jmeter-plugins with Apache License 2.0 4 votes vote down vote up 
@Override
public MembershipKey join(InetAddress inetAddress, NetworkInterface networkInterface, InetAddress inetAddress1) throws IOException {
    throw new UnsupportedOperationException("Not supported yet.");
}