Package org.apache.catalina.tribes

Examples of org.apache.catalina.tribes.UniqueId

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        synchronized (electionMutex) {
            MemberImpl local = (MemberImpl)getLocalMember(false);
            MemberImpl[] others = (MemberImpl[])membership.getMembers();
            fireInterceptorEvent(new CoordinationEvent(CoordinationEvent.EVT_START_ELECT,this,"Election initated"));
            if ( others.length == 0 ) {
                this.viewId = new UniqueId(UUIDGenerator.randomUUID(false));
                this.view = new Membership(local,AbsoluteOrder.comp, true);
                this.handleViewConf(this.createElectionMsg(local,others,local),local,view);
                return; //the only member, no need for an election
            }
            if ( suggestedviewId != null ) {
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    private CoordinationMessage createElectionMsg(MemberImpl local, MemberImpl[] others, MemberImpl leader) {
        Membership m = new Membership(local,AbsoluteOrder.comp,true);
        Arrays.fill(m,others);
        MemberImpl[] mbrs = m.getMembers();
        m.reset();
        CoordinationMessage msg = new CoordinationMessage(leader, local, mbrs,new UniqueId(UUIDGenerator.randomUUID(true)), this.COORD_REQUEST);
        return msg;
    }
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                System.arraycopy(buf.getBytesDirect(), offset, mbr, 0, mbrLen);
                view[i] = MemberImpl.getMember(mbr);
                offset += mbrLen;
            }
            //id
            this.id = new UniqueId(buf.getBytesDirect(),offset,16);
            offset += 16;
            type = new byte[16];
            System.arraycopy(buf.getBytesDirect(), offset, type, 0, type.length);
            offset += 16;
           
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    public void messageReceived(ChannelMessage msg) {
        if (okToProcess(msg.getOptions())) {
            if ( msg.getMessage().getLength() == (START_DATA.length+msg.getUniqueId().length+END_DATA.length) &&
                 Arrays.contains(msg.getMessage().getBytesDirect(),0,START_DATA,0,START_DATA.length) &&
                 Arrays.contains(msg.getMessage().getBytesDirect(),START_DATA.length+msg.getUniqueId().length,END_DATA,0,END_DATA.length) ) {
                UniqueId id = new UniqueId(msg.getMessage().getBytesDirect(),START_DATA.length,msg.getUniqueId().length);
                MapEntry original = (MapEntry)messages.get(id);
                if ( original != null ) {
                    super.messageReceived(original.msg);
                    messages.remove(id);
                } else log.warn("Received a confirmation, but original message is missing. Id:"+Arrays.toString(id.getBytes()));
            } else {
                UniqueId id = new UniqueId(msg.getUniqueId());
                MapEntry entry = new MapEntry((ChannelMessage)msg.deepclone(),id,System.currentTimeMillis());
                messages.put(id,entry);
            }
        } else {
            super.messageReceived(msg);
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                System.arraycopy(buf.getBytesDirect(), offset, mbr, 0, mbrLen);
                view[i] = MemberImpl.getMember(mbr);
                offset += mbrLen;
            }
            //id
            this.id = new UniqueId(buf.getBytesDirect(),offset,16);
            offset += 16;
            type = new byte[16];
            System.arraycopy(buf.getBytesDirect(), offset, type, 0, type.length);
            offset += 16;
           
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    public void messageReceived(ChannelMessage msg) {
        if (okToProcess(msg.getOptions())) {
            if ( msg.getMessage().getLength() == (START_DATA.length+msg.getUniqueId().length+END_DATA.length) &&
                 Arrays.contains(msg.getMessage().getBytesDirect(),0,START_DATA,0,START_DATA.length) &&
                 Arrays.contains(msg.getMessage().getBytesDirect(),START_DATA.length+msg.getUniqueId().length,END_DATA,0,END_DATA.length) ) {
                UniqueId id = new UniqueId(msg.getMessage().getBytesDirect(),START_DATA.length,msg.getUniqueId().length);
                MapEntry original = messages.get(id);
                if ( original != null ) {
                    super.messageReceived(original.msg);
                    messages.remove(id);
                } else log.warn("Received a confirmation, but original message is missing. Id:"+Arrays.toString(id.getBytes()));
            } else {
                UniqueId id = new UniqueId(msg.getUniqueId());
                MapEntry entry = new MapEntry((ChannelMessage)msg.deepclone(),id,System.currentTimeMillis());
                messages.put(id,entry);
            }
        } else {
            super.messageReceived(msg);
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        ChannelMessage msg = link.data();
        Member[] destination = link.getDestination();
        try {
            super.sendMessage(destination,msg,null);
            try {
                if ( link.getHandler() != null ) link.getHandler().handleCompletion(new UniqueId(msg.getUniqueId()));
            } catch ( Exception ex ) {
                log.error("Unable to report back completed message.",ex);
            }
        } catch ( Exception x ) {
            ChannelException cx = null;
            if ( x instanceof ChannelException ) cx = (ChannelException)x;
            else cx = new ChannelException(x);
            if ( log.isDebugEnabled() ) log.debug("Error while processing async message.",x);
            try {
                if (link.getHandler() != null) link.getHandler().handleError(cx, new UniqueId(msg.getUniqueId()));
            } catch ( Exception ex ) {
                log.error("Unable to report back error message.",ex);
            }
        } finally {
            addAndGetCurrentSize(-msg.getMessage().getLength());
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        synchronized (electionMutex) {
            MemberImpl local = (MemberImpl)getLocalMember(false);
            MemberImpl[] others = membership.getMembers();
            fireInterceptorEvent(new CoordinationEvent(CoordinationEvent.EVT_START_ELECT,this,"Election initated"));
            if ( others.length == 0 ) {
                this.viewId = new UniqueId(UUIDGenerator.randomUUID(false));
                this.view = new Membership(local,AbsoluteOrder.comp, true);
                this.handleViewConf(this.createElectionMsg(local,others,local),local,view);
                return; //the only member, no need for an election
            }
            if ( suggestedviewId != null ) {
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    private CoordinationMessage createElectionMsg(MemberImpl local, MemberImpl[] others, MemberImpl leader) {
        Membership m = new Membership(local,AbsoluteOrder.comp,true);
        Arrays.fill(m,others);
        MemberImpl[] mbrs = m.getMembers();
        m.reset();
        CoordinationMessage msg = new CoordinationMessage(leader, local, mbrs,new UniqueId(UUIDGenerator.randomUUID(true)), COORD_REQUEST);
        return msg;
    }
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                payload = new InterceptorPayload();
                payload.setErrorHandler(handler);
            }
            getFirstInterceptor().sendMessage(destination, data, payload);
            if ( Logs.MESSAGES.isTraceEnabled() ) {
                Logs.MESSAGES.trace("GroupChannel - Sent msg:" + new UniqueId(data.getUniqueId()) + " at " +new java.sql.Timestamp(System.currentTimeMillis())+ " to "+Arrays.toNameString(destination));
                Logs.MESSAGES.trace("GroupChannel - Send Message:" + new UniqueId(data.getUniqueId()) + " is " +msg);
            }

            return new UniqueId(data.getUniqueId());
        }catch ( Exception x ) {
            if ( x instanceof ChannelException ) throw (ChannelException)x;
            throw new ChannelException(x);
        } finally {
            if ( buffer != null ) BufferPool.getBufferPool().returnBuffer(buffer);
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Related Classes of org.apache.catalina.tribes.UniqueId

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  • org.apache.catalina.tribes.group.ChannelCoordinator
  • org.apache.catalina.tribes.group.GroupChannel
  • org.apache.catalina.tribes.group.interceptors.MessageDispatchInterceptor
  • org.apache.catalina.tribes.group.interceptors.NonBlockingCoordinator
  • org.apache.catalina.tribes.group.interceptors.NonBlockingCoordinator$CoordinationMessage
  • org.apache.catalina.tribes.group.interceptors.TwoPhaseCommitInterceptor
  • org.apache.catalina.tribes.tipis.LazyReplicatedMap
  • org.apache.catalina.tribes.transport.nio.NioReplicationTask
  • org.apache.catalina.tribes.transport.nio.NioReplicationThread
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