public void removeMessagesOfType(int type) {
Iterator<Message> it = iterator();
while (it.hasNext()) {
Message message = it.next();
if (message.getMessageType() == type) it.remove();
}
}
public void testRegularAndOOBMulticasts() throws Exception {
DISCARD discard = new DISCARD();
ProtocolStack stack = a.getProtocolStack();
stack.insertProtocol(discard, ProtocolStack.BELOW, NAKACK2.class);
a.setDiscardOwnMessages(true);
Address dest = null; // send to all
Message m1 = new Message(dest, null, 1);
Message m2 = new Message(dest, null, 2);
m2.setFlag(Message.OOB);
Message m3 = new Message(dest, null, 3);
MyReceiver receiver = new MyReceiver("C2");
b.setReceiver(receiver);
a.send(m1);
discard.setDropDownMulticasts(1);
a.send(m2);
a.send(m3);
Util.sleep(500);
Collection<Integer> list = receiver.getMsgs();
for (int i = 0; i < 10; i++) {
System.out.println("list = " + list);
if (list.size() == 3) break;
Util.sleep(1000); // give the asynchronous msgs some time to be received
sendStableMessages(a, b);
}
assert list.size() == 3 : "list is " + list;
assert list.contains(1) && list.contains(2) && list.contains(3);
}
/** Tests https://jira.jboss.org/jira/browse/JGRP-1079 for unicast messages */
public void testOOBUnicastMessageLoss() throws Exception {
MyReceiver receiver = new MySleepingReceiver("C2", 1000);
b.setReceiver(receiver);
a.getProtocolStack().getTransport().setOOBRejectionPolicy("discard");
final int NUM = 10;
final Address dest = b.getAddress();
for (int i = 1; i <= NUM; i++) {
Message msg = new Message(dest, null, i);
msg.setFlag(Message.OOB);
a.send(msg);
}
Collection<Integer> msgs = receiver.getMsgs();
for (int i = 0; i < 20; i++) {
if (msgs.size() == NUM) break;
Util.sleep(1000);
// sendStableMessages(c1,c2); // not needed for unicasts !
}
assert msgs.size() == NUM
: "expected " + NUM + " messages but got " + msgs.size() + ", msgs=" + Util.print(msgs);
for (int i = 1; i <= NUM; i++) {
assert msgs.contains(i);
}
}
protected void sendStableMessage(Address dest, short conn_id, long low, long high) {
Message stable_msg = new Message(dest, null, null);
Unicast2Header hdr = Unicast2Header.createStableHeader(conn_id, low, high);
stable_msg.putHeader(this.id, hdr);
stable_msg.setFlag(Message.OOB);
if (log.isTraceEnabled()) {
StringBuilder sb = new StringBuilder();
sb.append(local_addr)
.append(" --> STABLE(")
.append(dest)
.append(": ")
.append(low)
.append("-")
.append(high)
.append(", conn_id=")
.append(conn_id)
.append(")");
log.trace(sb.toString());
}
down_prot.down(new Event(Event.MSG, stable_msg));
ReceiverEntry entry = recv_table.get(dest);
NakReceiverWindow win = entry != null ? entry.received_msgs : null;
if (win != null) win.stable(win.getHighestDelivered());
}
/**
* Processes a packet read from either the multicast or unicast socket. Needs to be synchronized
* because mcast or unicast socket reads can be concurrent
*/
void handleIncomingUdpPacket(byte[] data) {
ByteArrayInputStream inp_stream;
ObjectInputStream inp;
Message msg = null;
List l; // used if bundling is enabled
try {
// skip the first n bytes (default: 4), this is the version info
inp_stream = new ByteArrayInputStream(data, VERSION_LENGTH, data.length - VERSION_LENGTH);
inp = new ObjectInputStream(inp_stream);
if (enable_bundling) {
l = new List();
l.readExternal(inp);
for (Enumeration en = l.elements(); en.hasMoreElements(); ) {
msg = (Message) en.nextElement();
try {
handleMessage(msg);
} catch (Throwable t) {
Trace.error("UDP.handleIncomingUdpPacket()", "failure: " + t.toString());
}
}
} else {
msg = new Message();
msg.readExternal(inp);
handleMessage(msg);
}
} catch (Throwable e) {
Trace.error("UDP.handleIncomingUdpPacket()", "exception=" + Trace.getStackTrace(e));
}
}
public static long getEventGenerationDate(Message message) throws JMSException {
if (!message.propertyExists(MessagePropertyNames.EVENT_GENERATION_DATE)) {
return 0L;
}
return message.getLongProperty(MessagePropertyNames.EVENT_GENERATION_DATE);
}
public static String getEventCategory(Message message) throws JMSException {
if (!message.propertyExists(MessagePropertyNames.EVENT_CATEGORY)) {
return EVENT_MODULE_DEF;
}
return message.getStringProperty(MessagePropertyNames.EVENT_CATEGORY);
}
public static String getPortName(Message message) throws JMSException {
if (!message.propertyExists(MessagePropertyNames.PORT_NAME)) {
return PORT_NAME_DEF;
}
return message.getStringProperty(MessagePropertyNames.PORT_NAME);
}
public static String getDocumentID(Message message) throws JMSException {
if (!message.propertyExists(MessagePropertyNames.DOCUMENT_ID)) {
return DOCUMENT_ID_DEF;
}
return message.getStringProperty(MessagePropertyNames.DOCUMENT_ID);
}
public static long getTotalTime(Message message) throws JMSException {
if (!message.propertyExists(MessagePropertyNames.TOTAL_TIME)) {
return TOTAL_TIME_DEF;
}
return message.getLongProperty(MessagePropertyNames.TOTAL_TIME);
}
public static String getSourceFPSName(Message message) throws JMSException {
if (!message.propertyExists(MessagePropertyNames.SOURCE)) {
return SOURCE_FPS_NAME_DEF;
}
return message.getStringProperty(MessagePropertyNames.SOURCE);
}
public static int getEventID(Message message) throws JMSException {
if (!message.propertyExists(MessagePropertyNames.EVENT_ID)) {
return EVENT_ID_DEF;
}
return message.getIntProperty(MessagePropertyNames.EVENT_ID);
}
public static String getEventDescription(Message message) throws JMSException {
if (!message.propertyExists(MessagePropertyNames.EVENT_DESCRIPTION)) {
return EVENT_DESCRIPTION_DEF;
}
return message.getStringProperty(MessagePropertyNames.EVENT_DESCRIPTION);
}
/**
* We need to resend our first message with our conn_id
*
* @param sender
* @param seqno Resend the non null messages in the range [lowest .. seqno]
*/
protected void handleResendingOfFirstMessage(Address sender, long seqno) {
if (log.isTraceEnabled())
log.trace(local_addr + " <-- SEND_FIRST_SEQNO(" + sender + "," + seqno + ")");
SenderEntry entry = send_table.get(sender);
Table<Message> win = entry != null ? entry.sent_msgs : null;
if (win == null) {
if (log.isErrorEnabled())
log.error(local_addr + ": sender window for " + sender + " not found");
return;
}
boolean first_sent = false;
for (long i = win.getLow() + 1; i <= seqno; i++) {
Message rsp = win.get(i);
if (rsp == null) continue;
if (first_sent) {
down_prot.down(new Event(Event.MSG, rsp));
} else {
first_sent = true;
// We need to copy the UnicastHeader and put it back into the message because Message.copy()
// doesn't copy
// the headers and therefore we'd modify the original message in the sender retransmission
// window
// (https://jira.jboss.org/jira/browse/JGRP-965)
Message copy = rsp.copy();
Unicast2Header hdr = (Unicast2Header) copy.getHeader(this.id);
Unicast2Header newhdr = hdr.copy();
newhdr.first = true;
copy.putHeader(this.id, newhdr);
down_prot.down(new Event(Event.MSG, copy));
}
}
}
public static String getEventProcessVersion(Message message) throws JMSException {
if (!message.propertyExists(MessagePropertyNames.EVENT_PROCESS_VERSION)) {
return EVENT_PROCESS_VERSION_DEF;
}
return message.getStringProperty(MessagePropertyNames.EVENT_PROCESS_VERSION);
}
public static boolean getIsAlert(Message message) throws JMSException {
if (!message.propertyExists(MessagePropertyNames.IS_ALERT)) {
return false;
}
return message.getBooleanProperty(MessagePropertyNames.IS_ALERT);
}
public static Hashtable getDataTable(Message message) throws JMSException {
if (!message.propertyExists(MessagePropertyNames.DATA_TABLE)) {
return DATA_TABLE_DEF;
}
return (Hashtable) message.getObjectProperty(MessagePropertyNames.DATA_TABLE);
}
public static String getComment(Message message) throws JMSException {
if (!message.propertyExists(MessagePropertyNames.COMMENT)) {
return COMMENT_DEF;
}
return message.getStringProperty(MessagePropertyNames.COMMENT);
}
public static String getEventStatus(Message message) throws JMSException {
if (!message.propertyExists(MessagePropertyNames.EVENT_STATUS)) {
return EVENT_STATUS_DEF;
}
return message.getStringProperty(MessagePropertyNames.EVENT_STATUS);
}
public static String getUserDefinedId(Message message) throws JMSException {
if (!message.propertyExists(MessagePropertyNames.USER_DEFINED_DOC_ID)) {
return USER_DEFINED_DOC_ID_DEF;
}
return message.getStringProperty(MessagePropertyNames.USER_DEFINED_DOC_ID);
}
public static int getEventType(Message message) throws JMSException {
if (!message.propertyExists(MessagePropertyNames.EVENT_TYPE)) {
return 0;
}
return message.getIntProperty(MessagePropertyNames.EVENT_TYPE);
}
public static String getWorkFlowInstId(Message message) throws JMSException {
if (!message.propertyExists(MessagePropertyNames.WORK_FLOW_INST_ID)) {
return WORK_FLOW_INST_ID_DEF;
}
return message.getStringProperty(MessagePropertyNames.WORK_FLOW_INST_ID);
}
public void retransmit(long first_seqno, long last_seqno, Address sender) {
if (last_seqno < first_seqno) return;
Unicast2Header hdr = Unicast2Header.createXmitReqHeader(first_seqno, last_seqno);
Message xmit_req = new Message(sender, null, null);
xmit_req.putHeader(this.id, hdr);
down_prot.down(new Event(Event.MSG, xmit_req));
}
public static String getSink(Message message) throws JMSException {
if (!message.propertyExists(MessagePropertyNames.SINK)) {
return null;
}
return message.getStringProperty(MessagePropertyNames.SINK);
}
/**
* set up the connection socket for the first connection
*
* @param sedMsg the message to send
*/
public void setupCommunication(Message sedMsg) {
/* get the configuration item in the configuration file */
ArrayList<HashMap<String, String>> configLst = map.get(CONFIG_HEADER);
String dest = sedMsg.get_dest();
boolean findName = false;
/* find the ip address and port of the target node */
for (HashMap<String, String> configItem : configLst) {
if (configItem.get("name").equals(dest)) {
String ip = configItem.get("ip");
Object val = configItem.get("port");
Integer tmp = (Integer) val;
int port = tmp.intValue();
sedMsg.set_ip(ip);
sedMsg.set_portNum(port);
setupTCPConnection(ip, port);
findName = true;
}
}
/* if cannot find target node exit */
if (!findName) {
System.err.println("cannot find the dest machine, exit...");
System.exit(1);
}
}
public static String getCompInstName(Message message) throws JMSException {
if (!message.propertyExists(MessagePropertyNames.COMP_INST_NAME)) {
return COMP_INST_NAME_DEF;
}
return message.getStringProperty(MessagePropertyNames.COMP_INST_NAME);
}
/** Tests https://jira.jboss.org/jira/browse/JGRP-1079 */
public void testOOBMessageLoss() throws Exception {
Util.close(b); // we only need 1 channel
MyReceiver receiver = new MySleepingReceiver("C1", 1000);
a.setReceiver(receiver);
TP transport = a.getProtocolStack().getTransport();
transport.setOOBRejectionPolicy("discard");
final int NUM = 10;
for (int i = 1; i <= NUM; i++) {
Message msg = new Message(null, null, i);
msg.setFlag(Message.OOB);
a.send(msg);
}
STABLE stable = (STABLE) a.getProtocolStack().findProtocol(STABLE.class);
if (stable != null) stable.runMessageGarbageCollection();
Collection<Integer> msgs = receiver.getMsgs();
for (int i = 0; i < 20; i++) {
if (msgs.size() == NUM) break;
Util.sleep(1000);
sendStableMessages(a, b);
}
System.out.println("msgs = " + Util.print(msgs));
assert msgs.size() == NUM
: "expected " + NUM + " messages but got " + msgs.size() + ", msgs=" + Util.print(msgs);
for (int i = 1; i <= NUM; i++) {
assert msgs.contains(i);
}
}
public static String getEventProcessName(Message message) throws JMSException {
if (!message.propertyExists(MessagePropertyNames.EVENT_PROCESS_NAME)) {
return EVENT_PROCESS_NAME_DEF;
}
return message.getStringProperty(MessagePropertyNames.EVENT_PROCESS_NAME);
}
/**
* Tests sending 1, 2 (OOB) and 3, where they are received in the order 1, 3, 2. Message 3 should
* not get delivered until message 4 is received (http://jira.jboss.com/jira/browse/JGRP-780)
*/
public void testRegularAndOOBUnicasts() throws Exception {
DISCARD discard = new DISCARD();
ProtocolStack stack = a.getProtocolStack();
stack.insertProtocol(discard, ProtocolStack.BELOW, UNICAST.class, UNICAST2.class);
Address dest = b.getAddress();
Message m1 = new Message(dest, null, 1);
Message m2 = new Message(dest, null, 2);
m2.setFlag(Message.OOB);
Message m3 = new Message(dest, null, 3);
MyReceiver receiver = new MyReceiver("C2");
b.setReceiver(receiver);
a.send(m1);
discard.setDropDownUnicasts(1);
a.send(m2);
a.send(m3);
Collection<Integer> list = receiver.getMsgs();
int count = 10;
while (list.size() < 3 && --count > 0) {
Util.sleep(500); // time for potential retransmission
sendStableMessages(a, b);
}
assert list.size() == 3 : "list is " + list;
assert list.contains(1) && list.contains(2) && list.contains(3);
}
/**
* Retrieves from the list of messages those elements that produces the specified message code.
*
* @param messageCode The message code.
* @return A list of Message instances.
*/
public List<Message> getMessagesWithCode(String messageCode) {
List<Message> results = new ArrayList<Message>();
for (Message message : this) {
if (message.getMessageCode().equals(messageCode)) results.add(message);
}
return results;
}
