*/
package org.opendaylight.controller.md.statistics.manager;
+import java.util.Iterator;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.TimeUnit;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev131103.TransactionId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
/**
- * Main responsibility of the class is to manage multipart response
+ * Main responsibility of the class is to manage multipart response
* for multipart request. It also handles the flow aggregate request
- * and response mapping.
+ * and response mapping.
* @author avishnoi@in.ibm.com
*
*/
public class MultipartMessageManager {
/*
- * Map for tx id and type of request, to keep track of all the request sent
- * by Statistics Manager. Statistics Manager won't entertain any multipart
- * response for which it didn't send the request.
+ * Map for tx id and type of request, to keep track of all the request sent
+ * by Statistics Manager. Statistics Manager won't entertain any multipart
+ * response for which it didn't send the request.
*/
-
- private static Map<TransactionId,StatsRequestType> txIdToRequestTypeMap = new ConcurrentHashMap<TransactionId,StatsRequestType>();
+ private final Map<TxIdEntry,Long> txIdToRequestTypeMap = new ConcurrentHashMap<>();
/*
* Map to keep track of the request tx id for flow table statistics request.
* Because flow table statistics multi part response do not contains the table id.
*/
- private static Map<TransactionId,Short> txIdTotableIdMap = new ConcurrentHashMap<TransactionId,Short>();
-
- public MultipartMessageManager(){}
-
- public Short getTableIdForTxId(TransactionId id){
-
- return txIdTotableIdMap.get(id);
-
+ private final Map<TxIdEntry,Short> txIdTotableIdMap = new ConcurrentHashMap<>();
+
+ private static final int NUMBER_OF_WAIT_CYCLES =2;
+
+ private static final class TxIdEntry {
+ private final TransactionId txId;
+ private final NodeId nodeId;
+ private final StatsRequestType requestType;
+
+ public TxIdEntry(NodeId nodeId, TransactionId txId, StatsRequestType requestType){
+ this.txId = txId;
+ this.nodeId = nodeId;
+ this.requestType = requestType;
+ }
+ public TransactionId getTxId() {
+ return txId;
+ }
+ public NodeId getNodeId() {
+ return nodeId;
+ }
+ public StatsRequestType getRequestType() {
+ return requestType;
+ }
+ @Override
+ public int hashCode() {
+ final int prime = 31;
+ int result = 1;
+ result = prime * result + ((nodeId == null) ? 0 : nodeId.hashCode());
+ result = prime * result + ((txId == null) ? 0 : txId.hashCode());
+ return result;
+ }
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj == null) {
+ return false;
+ }
+ if (!(obj instanceof TxIdEntry)) {
+ return false;
+ }
+ TxIdEntry other = (TxIdEntry) obj;
+
+ if (nodeId == null) {
+ if (other.nodeId != null) {
+ return false;
+ }
+ } else if (!nodeId.equals(other.nodeId)) {
+ return false;
+ }
+ if (txId == null) {
+ if (other.txId != null) {
+ return false;
+ }
+ } else if (!txId.equals(other.txId)) {
+ return false;
+ }
+ return true;
+ }
+
+ @Override
+ public String toString() {
+ return "TxIdEntry [txId=" + txId + ", nodeId=" + nodeId + ", requestType=" + requestType + "]";
+ }
}
-
- public void setTxIdAndTableIdMapEntry(TransactionId id,Short tableId){
- txIdTotableIdMap.put(id, tableId);
+
+ public Short getTableIdForTxId(NodeId nodeId,TransactionId id){
+ return txIdTotableIdMap.get(new TxIdEntry(nodeId,id,null));
}
-
- public void addTxIdToRequestTypeEntry (TransactionId id,StatsRequestType type){
- txIdToRequestTypeMap.put(id, type);
+
+ public void setTxIdAndTableIdMapEntry(NodeId nodeId, TransactionId id,Short tableId){
+ if(id == null)
+ return;
+ txIdTotableIdMap.put(new TxIdEntry(nodeId,id,null), tableId);
}
- public StatsRequestType removeTxId(TransactionId id){
- return txIdToRequestTypeMap.remove(id);
+
+ public boolean isRequestTxIdExist(NodeId nodeId, TransactionId id, Boolean moreRepliesToFollow){
+ TxIdEntry entry = new TxIdEntry(nodeId,id,null);
+ if(moreRepliesToFollow.booleanValue()){
+ return txIdToRequestTypeMap.containsKey(entry);
+ }else{
+ return txIdToRequestTypeMap.remove(entry) != null;
+ }
}
-
+
+ public void addTxIdToRequestTypeEntry (NodeId nodeId, TransactionId id,StatsRequestType type){
+ if(id == null)
+ return;
+ TxIdEntry entry = new TxIdEntry(nodeId,id,type);
+ txIdToRequestTypeMap.put(entry, getExpiryTime());
+ }
+
+ private static Long getExpiryTime(){
+ return System.nanoTime() + TimeUnit.MILLISECONDS.toNanos(
+ StatisticsProvider.STATS_THREAD_EXECUTION_TIME*NUMBER_OF_WAIT_CYCLES);
+ }
+
public enum StatsRequestType{
ALL_FLOW,
AGGR_FLOW,
GROUP_DESC,
METER_CONFIG
}
+
+ public void cleanStaleTransactionIds(){
+ final long now = System.nanoTime();
+
+ for (Iterator<TxIdEntry> it = txIdToRequestTypeMap.keySet().iterator();it.hasNext();){
+ TxIdEntry txIdEntry = it.next();
+
+ Long expiryTime = txIdToRequestTypeMap.get(txIdEntry);
+ if(now > expiryTime){
+ it.remove();
+ txIdTotableIdMap.remove(txIdEntry);
+ }
+ }
+ }
}
Code Review / controller.git / blobdiff