Java ChannelException类代码示例

import org.apache.catalina.tribes.ChannelException; //导入依赖的package包/类
public V put(K key, V value, boolean notify) {
    MapEntry<K,V> entry = new MapEntry<K,V>(key,value);
    entry.setBackup(false);
    entry.setProxy(false);
    entry.setCopy(false);
    entry.setPrimary(channel.getLocalMember(false));

    V old = null;

    //make sure that any old values get removed
    if ( containsKey(key) ) old = remove(key);
    try {
        if ( notify ) {
            Member[] backup = publishEntryInfo(key, value);
            entry.setBackupNodes(backup);
        }
    } catch (ChannelException x) {
        log.error("Unable to replicate out data for a AbstractReplicatedMap.put operation", x);
    }
    innerMap.put(key,entry);
    return old;
}
 

import org.apache.catalina.tribes.ChannelException; //导入依赖的package包/类
@Override
public void sendMessage(Member[] destination, ChannelMessage msg, InterceptorPayload payload)
		throws ChannelException {
	try {
		super.sendMessage(destination, msg, payload);
	} catch (ChannelException cx) {
		FaultyMember[] mbrs = cx.getFaultyMembers();
		for (int i = 0; i < mbrs.length; i++) {
			if (mbrs[i].getCause() != null && (!(mbrs[i].getCause() instanceof RemoteProcessException))) {// RemoteProcessException's
																											// are
																											// ok
				this.memberDisappeared(mbrs[i].getMember());
			} // end if
		} // for
		throw cx;
	}
}
 

import org.apache.catalina.tribes.ChannelException; //导入依赖的package包/类
@Test
public void testTcpMcastFail() throws Exception {
    System.out.println("testTcpMcastFail()");
    clear();
    channel1.start(Channel.DEFAULT);
    channel2.start(Channel.DEFAULT);
    //Thread.sleep(1000);
    assertEquals("Expecting member count to be equal",mbrlist1.members.size(),mbrlist2.members.size());
    channel2.stop(Channel.MBR_TX_SEQ);
    ByteMessage msg = new ByteMessage(new byte[1024]);
    try {
        Thread.sleep(5000);
        assertEquals("Expecting member count to be equal",mbrlist1.members.size(),mbrlist2.members.size());
        channel1.send(channel1.getMembers(), msg, 0);
    } catch ( ChannelException x ) {
        fail("Message send should have succeeded.");
    }
    channel1.stop(Channel.DEFAULT);
    channel2.stop(Channel.DEFAULT);
}
 

import org.apache.catalina.tribes.ChannelException; //导入依赖的package包/类
@Override
public void sendMessage(Member[] destination, ChannelMessage msg, InterceptorPayload payload) throws ChannelException {
    if ( access.addAndGet(1) == 1 ) txStart = System.currentTimeMillis();
    long bytes = XByteBuffer.getDataPackageLength(((ChannelData)msg).getDataPackageLength());
    try {
        super.sendMessage(destination, msg, payload);
    }catch ( ChannelException x ) {
        msgTxErr.addAndGet(1);
        if ( access.get() == 1 ) access.addAndGet(-1);
        throw x;
    } 
    mbTx += (bytes*destination.length)/(1024d*1024d);
    mbAppTx += bytes/(1024d*1024d);
    if ( access.addAndGet(-1) == 0 ) {
        long stop = System.currentTimeMillis();
        timeTx += (stop - txStart) / 1000d;
        if ((msgTxCnt.get() / interval) >= lastCnt) {
            lastCnt++;
            report(timeTx);
        }
    }
    msgTxCnt.addAndGet(1);
}
 

import org.apache.catalina.tribes.ChannelException; //导入依赖的package包/类
protected void sendElectionMsgToNextInline(MemberImpl local, CoordinationMessage msg) throws ChannelException { 
    int next = Arrays.nextIndex(local,msg.getMembers());
    int current = next;
    msg.leader = msg.getMembers()[0];
    boolean sent =  false;
    while ( !sent && current >= 0 ) {
        try {
            sendElectionMsg(local, msg.getMembers()[current], msg);
            sent = true;
        }catch ( ChannelException x  ) {
            log.warn("Unable to send election message to:"+msg.getMembers()[current]);
            current = Arrays.nextIndex(msg.getMembers()[current],msg.getMembers());
            if ( current == next ) throw x;
        }
    }
}
 

import org.apache.catalina.tribes.ChannelException; //导入依赖的package包/类
protected void handleMyToken(MemberImpl local, CoordinationMessage msg, Member sender, Membership merged)
		throws ChannelException {
	if (local.equals(msg.getLeader())) {
		// no leadership change
		if (Arrays.sameMembers(msg.getMembers(), merged.getMembers())) {
			msg.type = COORD_CONF;
			super.sendMessage(Arrays.remove(msg.getMembers(), local), createData(msg, local), null);
			handleViewConf(msg, local, merged);
		} else {
			// membership change
			suggestedView = new Membership(local, AbsoluteOrder.comp, true);
			suggestedviewId = msg.getId();
			Arrays.fill(suggestedView, merged.getMembers());
			msg.view = merged.getMembers();
			sendElectionMsgToNextInline(local, msg);
		}
	} else {
		// leadership change
		suggestedView = null;
		suggestedviewId = null;
		msg.view = merged.getMembers();
		sendElectionMsgToNextInline(local, msg);
	}
}
 

import org.apache.catalina.tribes.ChannelException; //导入依赖的package包/类
protected void handleMyToken(MemberImpl local, CoordinationMessage msg, Member sender,Membership merged) throws ChannelException {
    if ( local.equals(msg.getLeader()) ) {
        //no leadership change
        if ( Arrays.sameMembers(msg.getMembers(),merged.getMembers()) ) {
            msg.type = COORD_CONF;
            super.sendMessage(Arrays.remove(msg.getMembers(),local),createData(msg,local),null);
            handleViewConf(msg,local,merged);
        } else {
            //membership change
            suggestedView = new Membership(local,AbsoluteOrder.comp,true);
            suggestedviewId = msg.getId();
            Arrays.fill(suggestedView,merged.getMembers());
            msg.view = merged.getMembers();
            sendElectionMsgToNextInline(local,msg);
        }
    } else {
        //leadership change
        suggestedView = null;
        suggestedviewId = null;
        msg.view = merged.getMembers();
        sendElectionMsgToNextInline(local,msg);
    }
}
 

import org.apache.catalina.tribes.ChannelException; //导入依赖的package包/类
protected void handleViewConf(CoordinationMessage msg, Member sender,Membership merged) throws ChannelException {
    if ( viewId != null && msg.getId().equals(viewId) ) return;//we already have this view
    view = new Membership((MemberImpl)getLocalMember(false),AbsoluteOrder.comp,true);
    Arrays.fill(view,msg.getMembers());
    viewId = msg.getId();
    
    if ( viewId.equals(suggestedviewId) ) {
        suggestedView = null;
        suggestedviewId = null;
    }
    
    if (suggestedView != null && AbsoluteOrder.comp.compare(suggestedView.getMembers()[0],merged.getMembers()[0])<0 ) {
        suggestedView = null;
        suggestedviewId = null;
    }
    
    viewChange(viewId,view.getMembers());
    fireInterceptorEvent(new CoordinationEvent(CoordinationEvent.EVT_CONF_RX,this,"Accepted View"));
    
    if ( suggestedviewId == null && hasHigherPriority(merged.getMembers(),membership.getMembers()) ) {
        startElection(false);
    }
}
 

import org.apache.catalina.tribes.ChannelException; //导入依赖的package包/类
@Test
public void testTcpSendFailureMemberDrop() throws Exception {
    System.out.println("testTcpSendFailureMemberDrop()");
    clear();
    channel1.start(Channel.DEFAULT);
    channel2.start(Channel.DEFAULT);
    //Thread.sleep(1000);
    assertEquals("Expecting member count to be equal",mbrlist1.members.size(),mbrlist2.members.size());
    channel2.stop(Channel.SND_RX_SEQ);
    ByteMessage msg = new ByteMessage(new byte[1024]);
    try {
        channel1.send(channel1.getMembers(), msg, 0);
        fail("Message send should have failed.");
    } catch ( ChannelException x ) {
        // Ignore
    }
    assertEquals("Expecting member count to not be equal",mbrlist1.members.size()+1,mbrlist2.members.size());
    channel1.stop(Channel.DEFAULT);
    channel2.stop(Channel.DEFAULT);
}
 

import org.apache.catalina.tribes.ChannelException; //导入依赖的package包/类
@Override
public void messageReceived(ChannelMessage msg) {
    if ( Arrays.contains(msg.getMessage().getBytesDirect(),0,COORD_ALIVE,0,COORD_ALIVE.length) ) {
        //ignore message, its an alive message
        fireInterceptorEvent(new CoordinationEvent(CoordinationEvent.EVT_MSG_ARRIVE,this,"Alive Message"));

    } else if ( Arrays.contains(msg.getMessage().getBytesDirect(),0,COORD_HEADER,0,COORD_HEADER.length) ) {
        try {
            CoordinationMessage cmsg = new CoordinationMessage(msg.getMessage());
            Member[] cmbr = cmsg.getMembers();
            fireInterceptorEvent(new CoordinationEvent(CoordinationEvent.EVT_MSG_ARRIVE,this,"Coord Msg Arrived("+Arrays.toNameString(cmbr)+")"));
            processCoordMessage(cmsg, msg.getAddress());
        }catch ( ChannelException x ) {
            log.error("Error processing coordination message. Could be fatal.",x);
        }
    } else {
        super.messageReceived(msg);
    }
}
 

import org.apache.catalina.tribes.ChannelException; //导入依赖的package包/类
@Override
public void broadcast(ChannelMessage message) throws ChannelException {
	if (impl == null || (impl.startLevel & Channel.MBR_TX_SEQ) != Channel.MBR_TX_SEQ)
		throw new ChannelException("Multicast send is not started or enabled.");

	byte[] data = XByteBuffer.createDataPackage((ChannelData) message);
	if (data.length > McastServiceImpl.MAX_PACKET_SIZE) {
		throw new ChannelException("Packet length[" + data.length + "] exceeds max packet size of "
				+ McastServiceImpl.MAX_PACKET_SIZE + " bytes.");
	}
	DatagramPacket packet = new DatagramPacket(data, 0, data.length);
	try {
		impl.send(false, packet);
	} catch (Exception x) {
		throw new ChannelException(x);
	}
}
 

import org.apache.catalina.tribes.ChannelException; //导入依赖的package包/类
@Override
public void sendMessage(Member[] destination, ChannelMessage msg, InterceptorPayload payload)
		throws ChannelException {
	if (access.addAndGet(1) == 1)
		txStart = System.currentTimeMillis();
	long bytes = XByteBuffer.getDataPackageLength(((ChannelData) msg).getDataPackageLength());
	try {
		super.sendMessage(destination, msg, payload);
	} catch (ChannelException x) {
		msgTxErr.addAndGet(1);
		if (access.get() == 1)
			access.addAndGet(-1);
		throw x;
	}
	mbTx += (bytes * destination.length) / (1024d * 1024d);
	mbAppTx += bytes / (1024d * 1024d);
	if (access.addAndGet(-1) == 0) {
		long stop = System.currentTimeMillis();
		timeTx += (stop - txStart) / 1000d;
		if ((msgTxCnt.get() / interval) >= lastCnt) {
			lastCnt++;
			report(timeTx);
		}
	}
	msgTxCnt.addAndGet(1);
}
 

import org.apache.catalina.tribes.ChannelException; //导入依赖的package包/类
@Test
public void testOptionConflict() throws Exception {
    boolean error = false;
    channel.setOptionCheck(true);
    ChannelInterceptor i = new TestInterceptor();
    i.setOptionFlag(128);
    channel.addInterceptor(i);
    i = new TestInterceptor();
    i.setOptionFlag(128);
    channel.addInterceptor(i);
    try {
        channel.start(Channel.DEFAULT);
    }catch ( ChannelException x ) {
        if ( x.getMessage().indexOf("option flag conflict") >= 0 ) error = true;
    }
    assertTrue(error);
}
 

import org.apache.catalina.tribes.ChannelException; //导入依赖的package包/类
@Override
public void start(int svc) throws ChannelException {
	// start the thread
	if (!run) {
		synchronized (this) {
			if (!run && ((svc & Channel.SND_TX_SEQ) == Channel.SND_TX_SEQ)) {// only
																				// start
																				// with
																				// the
																				// sender
				startQueue();
			} // end if
		} // sync
	} // end if
	super.start(svc);
}
 

import org.apache.catalina.tribes.ChannelException; //导入依赖的package包/类
@Override
public void broadcast(ChannelMessage message) throws ChannelException {
    if (impl==null || (impl.startLevel & Channel.MBR_TX_SEQ)!=Channel.MBR_TX_SEQ )
        throw new ChannelException("Multicast send is not started or enabled.");
    
    byte[] data = XByteBuffer.createDataPackage((ChannelData)message);
    if (data.length>McastServiceImpl.MAX_PACKET_SIZE) {
        throw new ChannelException("Packet length["+data.length+"] exceeds max packet size of "+McastServiceImpl.MAX_PACKET_SIZE+" bytes.");
    }
    DatagramPacket packet = new DatagramPacket(data,0,data.length);
    try {
        impl.send(false, packet);
    } catch (Exception x) {
        throw new ChannelException(x);
    }
}