Java Code Examples for org.apache.catalina.tribes.Channel#MBR_TX_SEQ
The following examples show how to use
org.apache.catalina.tribes.Channel#MBR_TX_SEQ .
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Example 1
| Source File: McastService.java From Tomcat8-Source-Read with MIT License | 6 votes |
|
@Override
public void broadcast(ChannelMessage message) throws ChannelException {
if (impl==null || (impl.startLevel & Channel.MBR_TX_SEQ)!=Channel.MBR_TX_SEQ )
throw new ChannelException(sm.getString("mcastService.noStart"));
byte[] data = XByteBuffer.createDataPackage((ChannelData)message);
if (data.length>McastServiceImpl.MAX_PACKET_SIZE) {
throw new ChannelException(sm.getString("mcastService.exceed.maxPacketSize",
Integer.toString(data.length) ,
Integer.toString(McastServiceImpl.MAX_PACKET_SIZE)));
}
DatagramPacket packet = new DatagramPacket(data,0,data.length);
try {
impl.send(false, packet);
} catch (Exception x) {
throw new ChannelException(x);
}
}
Example 2
| Source File: McastService.java From Tomcat7.0.67 with Apache License 2.0 | 6 votes |
|
@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);
}
}
Example 3
| Source File: McastService.java From tomcatsrc with Apache License 2.0 | 6 votes |
|
@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);
}
}
Example 4
| Source File: ChannelCoordinator.java From Tomcat8-Source-Read with MIT License | 5 votes |
|
/**
* Shuts down the channel. This can be called multiple times for individual services to shutdown
* The svc parameter can be the logical or value of any constants
* @param svc int value of <BR>
* DEFAULT - will shutdown all services <BR>
* MBR_RX_SEQ - starts the membership receiver <BR>
* MBR_TX_SEQ - starts the membership broadcaster <BR>
* SND_TX_SEQ - starts the replication transmitter<BR>
* SND_RX_SEQ - starts the replication receiver<BR>
* @throws ChannelException if a startup error occurs or the service is already started.
*/
protected synchronized void internalStop(int svc) throws ChannelException {
try {
//make sure we don't pass down any flags that are unrelated to the bottom layer
svc = svc & Channel.DEFAULT;
if (startLevel == 0) return; //we have already stopped up all components
if (svc == 0 ) return;//nothing to stop
boolean valid = false;
if ( Channel.SND_RX_SEQ==(svc & Channel.SND_RX_SEQ) ) {
clusterReceiver.stop();
clusterReceiver.setMessageListener(null);
valid = true;
}
if ( Channel.SND_TX_SEQ==(svc & Channel.SND_TX_SEQ) ) {
clusterSender.stop();
valid = true;
}
if ( Channel.MBR_RX_SEQ==(svc & Channel.MBR_RX_SEQ) ) {
membershipService.stop(MembershipService.MBR_RX);
membershipService.setMembershipListener(null);
valid = true;
}
if ( Channel.MBR_TX_SEQ==(svc & Channel.MBR_TX_SEQ) ) {
valid = true;
membershipService.stop(MembershipService.MBR_TX);
}
if ( !valid) {
throw new IllegalArgumentException(sm.getString("channelCoordinator.invalid.startLevel"));
}
startLevel = (startLevel & (~svc));
setChannel(null);
} catch (Exception x) {
throw new ChannelException(x);
}
}
Example 5
| Source File: McastServiceImpl.java From Tomcat8-Source-Read with MIT License | 5 votes |
|
/**
* Start the service
* @param level 1 starts the receiver, level 2 starts the sender
* @throws IOException if the service fails to start
* @throws IllegalStateException if the service is already started
*/
public synchronized void start(int level) throws IOException {
boolean valid = false;
if ( (level & Channel.MBR_RX_SEQ)==Channel.MBR_RX_SEQ ) {
if ( receiver != null ) throw new IllegalStateException(sm.getString("mcastServiceImpl.receive.running"));
try {
if ( sender == null ) socket.joinGroup(address);
}catch (IOException iox) {
log.error(sm.getString("mcastServiceImpl.unable.join"));
throw iox;
}
doRunReceiver = true;
receiver = new ReceiverThread();
receiver.setDaemon(true);
receiver.start();
valid = true;
}
if ( (level & Channel.MBR_TX_SEQ)==Channel.MBR_TX_SEQ ) {
if ( sender != null ) throw new IllegalStateException(sm.getString("mcastServiceImpl.send.running"));
if ( receiver == null ) socket.joinGroup(address);
//make sure at least one packet gets out there
send(false);
doRunSender = true;
sender = new SenderThread(sendFrequency);
sender.setDaemon(true);
sender.start();
//we have started the receiver, but not yet waited for membership to establish
valid = true;
}
if (!valid) {
throw new IllegalArgumentException(sm.getString("mcastServiceImpl.invalid.startLevel"));
}
//pause, once or twice
waitForMembers(level);
startLevel = (startLevel | level);
}
Example 6
| Source File: McastServiceImpl.java From Tomcat7.0.67 with Apache License 2.0 | 5 votes |
|
/**
* Start the service
* @param level 1 starts the receiver, level 2 starts the sender
* @throws IOException if the service fails to start
* @throws IllegalStateException if the service is already started
*/
public synchronized void start(int level) throws IOException {
boolean valid = false;
if ( (level & Channel.MBR_RX_SEQ)==Channel.MBR_RX_SEQ ) {
if ( receiver != null ) throw new IllegalStateException("McastService.receive already running.");
try {
if ( sender == null ) socket.joinGroup(address);
}catch (IOException iox) {
log.error("Unable to join multicast group, make sure your system has multicasting enabled.");
throw iox;
}
doRunReceiver = true;
receiver = new ReceiverThread();
receiver.setDaemon(true);
receiver.start();
valid = true;
}
if ( (level & Channel.MBR_TX_SEQ)==Channel.MBR_TX_SEQ ) {
if ( sender != null ) throw new IllegalStateException("McastService.send already running.");
if ( receiver == null ) socket.joinGroup(address);
//make sure at least one packet gets out there
send(false);
doRunSender = true;
sender = new SenderThread(sendFrequency);
sender.setDaemon(true);
sender.start();
//we have started the receiver, but not yet waited for membership to establish
valid = true;
}
if (!valid) {
throw new IllegalArgumentException("Invalid start level. Only acceptable levels are Channel.MBR_RX_SEQ and Channel.MBR_TX_SEQ");
}
//pause, once or twice
waitForMembers(level);
startLevel = (startLevel | level);
}
Example 7
| Source File: McastServiceImpl.java From tomcatsrc with Apache License 2.0 | 5 votes |
|
/**
* Start the service
* @param level 1 starts the receiver, level 2 starts the sender
* @throws IOException if the service fails to start
* @throws IllegalStateException if the service is already started
*/
public synchronized void start(int level) throws IOException {
boolean valid = false;
if ( (level & Channel.MBR_RX_SEQ)==Channel.MBR_RX_SEQ ) {
if ( receiver != null ) throw new IllegalStateException("McastService.receive already running.");
try {
if ( sender == null ) socket.joinGroup(address);
}catch (IOException iox) {
log.error("Unable to join multicast group, make sure your system has multicasting enabled.");
throw iox;
}
doRunReceiver = true;
receiver = new ReceiverThread();
receiver.setDaemon(true);
receiver.start();
valid = true;
}
if ( (level & Channel.MBR_TX_SEQ)==Channel.MBR_TX_SEQ ) {
if ( sender != null ) throw new IllegalStateException("McastService.send already running.");
if ( receiver == null ) socket.joinGroup(address);
//make sure at least one packet gets out there
send(false);
doRunSender = true;
sender = new SenderThread(sendFrequency);
sender.setDaemon(true);
sender.start();
//we have started the receiver, but not yet waited for membership to establish
valid = true;
}
if (!valid) {
throw new IllegalArgumentException("Invalid start level. Only acceptable levels are Channel.MBR_RX_SEQ and Channel.MBR_TX_SEQ");
}
//pause, once or twice
waitForMembers(level);
startLevel = (startLevel | level);
}
Example 8
| Source File: ChannelCoordinator.java From Tomcat8-Source-Read with MIT License | 4 votes |
|
/**
* Starts up the channel. This can be called multiple times for individual services to start
* The svc parameter can be the logical or value of any constants
* @param svc int value of <BR>
* DEFAULT - will start all services <BR>
* MBR_RX_SEQ - starts the membership receiver <BR>
* MBR_TX_SEQ - starts the membership broadcaster <BR>
* SND_TX_SEQ - starts the replication transmitter<BR>
* SND_RX_SEQ - starts the replication receiver<BR>
* @throws ChannelException if a startup error occurs or the service is already started.
*/
protected synchronized void internalStart(int svc) throws ChannelException {
try {
boolean valid = false;
//make sure we don't pass down any flags that are unrelated to the bottom layer
svc = svc & Channel.DEFAULT;
if (startLevel == Channel.DEFAULT) return; //we have already started up all components
if (svc == 0 ) return;//nothing to start
if (svc == (svc & startLevel)) {
throw new ChannelException(sm.getString("channelCoordinator.alreadyStarted",
Integer.toString(svc)));
}
//must start the receiver first so that we can coordinate the port it
//listens to with the local membership settings
if ( Channel.SND_RX_SEQ==(svc & Channel.SND_RX_SEQ) ) {
clusterReceiver.setMessageListener(this);
clusterReceiver.setChannel(getChannel());
clusterReceiver.start();
//synchronize, big time FIXME
Member localMember = getChannel().getLocalMember(false);
if (localMember instanceof StaticMember) {
// static member
StaticMember staticMember = (StaticMember)localMember;
staticMember.setHost(getClusterReceiver().getHost());
staticMember.setPort(getClusterReceiver().getPort());
staticMember.setSecurePort(getClusterReceiver().getSecurePort());
} else {
// multicast member
membershipService.setLocalMemberProperties(getClusterReceiver().getHost(),
getClusterReceiver().getPort(),
getClusterReceiver().getSecurePort(),
getClusterReceiver().getUdpPort());
}
valid = true;
}
if ( Channel.SND_TX_SEQ==(svc & Channel.SND_TX_SEQ) ) {
clusterSender.setChannel(getChannel());
clusterSender.start();
valid = true;
}
if ( Channel.MBR_RX_SEQ==(svc & Channel.MBR_RX_SEQ) ) {
membershipService.setMembershipListener(this);
membershipService.setChannel(getChannel());
if (membershipService instanceof McastService) {
((McastService)membershipService).setMessageListener(this);
}
membershipService.start(MembershipService.MBR_RX);
valid = true;
}
if ( Channel.MBR_TX_SEQ==(svc & Channel.MBR_TX_SEQ) ) {
membershipService.setChannel(getChannel());
membershipService.start(MembershipService.MBR_TX);
valid = true;
}
if (!valid) {
throw new IllegalArgumentException(sm.getString("channelCoordinator.invalid.startLevel"));
}
startLevel = (startLevel | svc);
}catch ( ChannelException cx ) {
throw cx;
}catch ( Exception x ) {
throw new ChannelException(x);
}
}
Example 9
| Source File: ChannelCoordinator.java From Tomcat7.0.67 with Apache License 2.0 | 4 votes |
|
/**
* Starts up the channel. This can be called multiple times for individual services to start
* The svc parameter can be the logical or value of any constants
* @param svc int value of <BR>
* DEFAULT - will start all services <BR>
* MBR_RX_SEQ - starts the membership receiver <BR>
* MBR_TX_SEQ - starts the membership broadcaster <BR>
* SND_TX_SEQ - starts the replication transmitter<BR>
* SND_RX_SEQ - starts the replication receiver<BR>
* @throws ChannelException if a startup error occurs or the service is already started.
*/
protected synchronized void internalStart(int svc) throws ChannelException {
try {
boolean valid = false;
//make sure we don't pass down any flags that are unrelated to the bottom layer
svc = svc & Channel.DEFAULT;
if (startLevel == Channel.DEFAULT) return; //we have already started up all components
if (svc == 0 ) return;//nothing to start
if (svc == (svc & startLevel)) throw new ChannelException("Channel already started for level:"+svc);
//must start the receiver first so that we can coordinate the port it
//listens to with the local membership settings
if ( Channel.SND_RX_SEQ==(svc & Channel.SND_RX_SEQ) ) {
clusterReceiver.setMessageListener(this);
clusterReceiver.start();
//synchronize, big time FIXME
membershipService.setLocalMemberProperties(getClusterReceiver().getHost(),
getClusterReceiver().getPort(),
getClusterReceiver().getSecurePort(),
getClusterReceiver().getUdpPort());
valid = true;
}
if ( Channel.SND_TX_SEQ==(svc & Channel.SND_TX_SEQ) ) {
clusterSender.start();
valid = true;
}
if ( Channel.MBR_RX_SEQ==(svc & Channel.MBR_RX_SEQ) ) {
membershipService.setMembershipListener(this);
if (membershipService instanceof McastService) {
((McastService)membershipService).setMessageListener(this);
}
membershipService.start(MembershipService.MBR_RX);
valid = true;
}
if ( Channel.MBR_TX_SEQ==(svc & Channel.MBR_TX_SEQ) ) {
membershipService.start(MembershipService.MBR_TX);
valid = true;
}
if ( !valid) {
throw new IllegalArgumentException("Invalid start level, valid levels are:SND_RX_SEQ,SND_TX_SEQ,MBR_TX_SEQ,MBR_RX_SEQ");
}
startLevel = (startLevel | svc);
}catch ( ChannelException cx ) {
throw cx;
}catch ( Exception x ) {
throw new ChannelException(x);
}
}
Example 10
| Source File: ChannelCoordinator.java From Tomcat7.0.67 with Apache License 2.0 | 4 votes |
|
/**
* Shuts down the channel. This can be called multiple times for individual services to shutdown
* The svc parameter can be the logical or value of any constants
* @param svc int value of <BR>
* DEFAULT - will shutdown all services <BR>
* MBR_RX_SEQ - starts the membership receiver <BR>
* MBR_TX_SEQ - starts the membership broadcaster <BR>
* SND_TX_SEQ - starts the replication transmitter<BR>
* SND_RX_SEQ - starts the replication receiver<BR>
* @throws ChannelException if a startup error occurs or the service is already started.
*/
protected synchronized void internalStop(int svc) throws ChannelException {
try {
//make sure we don't pass down any flags that are unrelated to the bottom layer
svc = svc & Channel.DEFAULT;
if (startLevel == 0) return; //we have already stopped up all components
if (svc == 0 ) return;//nothing to stop
boolean valid = false;
if ( Channel.SND_RX_SEQ==(svc & Channel.SND_RX_SEQ) ) {
clusterReceiver.stop();
clusterReceiver.setMessageListener(null);
valid = true;
}
if ( Channel.SND_TX_SEQ==(svc & Channel.SND_TX_SEQ) ) {
clusterSender.stop();
valid = true;
}
if ( Channel.MBR_RX_SEQ==(svc & Channel.MBR_RX_SEQ) ) {
membershipService.stop(MembershipService.MBR_RX);
membershipService.setMembershipListener(null);
valid = true;
}
if ( Channel.MBR_TX_SEQ==(svc & Channel.MBR_TX_SEQ) ) {
valid = true;
membershipService.stop(MembershipService.MBR_TX);
}
if ( !valid) {
throw new IllegalArgumentException("Invalid start level, valid levels are:SND_RX_SEQ,SND_TX_SEQ,MBR_TX_SEQ,MBR_RX_SEQ");
}
startLevel = (startLevel & (~svc));
}catch ( Exception x ) {
throw new ChannelException(x);
} finally {
}
}
Example 11
| Source File: ChannelCoordinator.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
/**
* Starts up the channel. This can be called multiple times for individual services to start
* The svc parameter can be the logical or value of any constants
* @param svc int value of <BR>
* DEFAULT - will start all services <BR>
* MBR_RX_SEQ - starts the membership receiver <BR>
* MBR_TX_SEQ - starts the membership broadcaster <BR>
* SND_TX_SEQ - starts the replication transmitter<BR>
* SND_RX_SEQ - starts the replication receiver<BR>
* @throws ChannelException if a startup error occurs or the service is already started.
*/
protected synchronized void internalStart(int svc) throws ChannelException {
try {
boolean valid = false;
//make sure we don't pass down any flags that are unrelated to the bottom layer
svc = svc & Channel.DEFAULT;
if (startLevel == Channel.DEFAULT) return; //we have already started up all components
if (svc == 0 ) return;//nothing to start
if (svc == (svc & startLevel)) throw new ChannelException("Channel already started for level:"+svc);
//must start the receiver first so that we can coordinate the port it
//listens to with the local membership settings
if ( Channel.SND_RX_SEQ==(svc & Channel.SND_RX_SEQ) ) {
clusterReceiver.setMessageListener(this);
if (clusterReceiver instanceof ReceiverBase) {
((ReceiverBase)clusterReceiver).setChannel(getChannel());
}
clusterReceiver.start();
//synchronize, big time FIXME
Member localMember = getChannel().getLocalMember(false);
if (localMember instanceof StaticMember) {
// static member
StaticMember staticMember = (StaticMember)localMember;
staticMember.setHost(getClusterReceiver().getHost());
staticMember.setPort(getClusterReceiver().getPort());
staticMember.setSecurePort(getClusterReceiver().getSecurePort());
} else {
// multicast member
membershipService.setLocalMemberProperties(getClusterReceiver().getHost(),
getClusterReceiver().getPort(),
getClusterReceiver().getSecurePort(),
getClusterReceiver().getUdpPort());
}
valid = true;
}
if ( Channel.SND_TX_SEQ==(svc & Channel.SND_TX_SEQ) ) {
if (clusterSender instanceof ReplicationTransmitter) {
((ReplicationTransmitter)clusterSender).setChannel(getChannel());
}
valid = true;
clusterSender.start();
}
if ( Channel.MBR_RX_SEQ==(svc & Channel.MBR_RX_SEQ) ) {
membershipService.setMembershipListener(this);
if (membershipService instanceof McastService) {
((McastService)membershipService).setMessageListener(this);
((McastService)membershipService).setChannel(getChannel());
}
membershipService.start(MembershipService.MBR_RX);
valid = true;
}
if ( Channel.MBR_TX_SEQ==(svc & Channel.MBR_TX_SEQ) ) {
if (membershipService instanceof McastService) {
((McastService)membershipService).setChannel(getChannel());
}
membershipService.start(MembershipService.MBR_TX);
valid = true;
}
if ( !valid) {
throw new IllegalArgumentException("Invalid start level, valid levels are:SND_RX_SEQ,SND_TX_SEQ,MBR_TX_SEQ,MBR_RX_SEQ");
}
startLevel = (startLevel | svc);
}catch ( ChannelException cx ) {
throw cx;
}catch ( Exception x ) {
throw new ChannelException(x);
}
}
Example 12
| Source File: ChannelCoordinator.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
/**
* Shuts down the channel. This can be called multiple times for individual services to shutdown
* The svc parameter can be the logical or value of any constants
* @param svc int value of <BR>
* DEFAULT - will shutdown all services <BR>
* MBR_RX_SEQ - starts the membership receiver <BR>
* MBR_TX_SEQ - starts the membership broadcaster <BR>
* SND_TX_SEQ - starts the replication transmitter<BR>
* SND_RX_SEQ - starts the replication receiver<BR>
* @throws ChannelException if a startup error occurs or the service is already started.
*/
protected synchronized void internalStop(int svc) throws ChannelException {
try {
//make sure we don't pass down any flags that are unrelated to the bottom layer
svc = svc & Channel.DEFAULT;
if (startLevel == 0) return; //we have already stopped up all components
if (svc == 0 ) return;//nothing to stop
boolean valid = false;
if ( Channel.SND_RX_SEQ==(svc & Channel.SND_RX_SEQ) ) {
clusterReceiver.stop();
clusterReceiver.setMessageListener(null);
valid = true;
}
if ( Channel.SND_TX_SEQ==(svc & Channel.SND_TX_SEQ) ) {
clusterSender.stop();
valid = true;
}
if ( Channel.MBR_RX_SEQ==(svc & Channel.MBR_RX_SEQ) ) {
membershipService.stop(MembershipService.MBR_RX);
membershipService.setMembershipListener(null);
valid = true;
}
if ( Channel.MBR_TX_SEQ==(svc & Channel.MBR_TX_SEQ) ) {
valid = true;
membershipService.stop(MembershipService.MBR_TX);
}
if ( !valid) {
throw new IllegalArgumentException("Invalid start level, valid levels are:SND_RX_SEQ,SND_TX_SEQ,MBR_TX_SEQ,MBR_RX_SEQ");
}
startLevel = (startLevel & (~svc));
setChannel(null);
}catch ( Exception x ) {
throw new ChannelException(x);
} finally {
}
}
