[WIFI-3166] Session ID is a -ve number in opensyncgw logs and on UI logs

Signed-off-by: Mike Hansen <mike.hansen@connectus.ai>

all-cloud-and-opensync-gw-in-one-process/src/main/java/com/telecominfraproject/wlan/startuptasks/AllInOneWithGatewayStartListener.java

@@ -811,10 +811,10 @@ public class AllInOneWithGatewayStartListener implements ApplicationRunner {
 			sessionDetails.setRadioType(radioType);
 			sessionDetails.setSecurityType(SecurityType.PSK);
 			sessionDetails.setSsid(ssidConfig.getSsid());
-			sessionDetails.setSessionId(System.currentTimeMillis());
+			sessionDetails.setSessionId(Long.toUnsignedString(System.currentTimeMillis()));
 			sessionDetails.setAssocTimestamp(System.currentTimeMillis() - getRandomLong(10000, 1000000));
 
-			ClientDhcpDetails dhcpDetails = new ClientDhcpDetails(System.currentTimeMillis());
+			ClientDhcpDetails dhcpDetails = new ClientDhcpDetails(Long.toUnsignedString(System.currentTimeMillis()));
 			dhcpDetails.setLeaseStartTimestamp(System.currentTimeMillis() - getRandomLong(0, TimeUnit.HOURS.toMillis(4)));
 			dhcpDetails.setLeaseTimeInSeconds((int)TimeUnit.HOURS.toSeconds(4));
 			try {

all-cloud-in-one-process/src/main/java/com/telecominfraproject/wlan/startuptasks/AllInOneStartListener.java

@@ -1238,7 +1238,7 @@ public class AllInOneStartListener implements ApplicationRunner {
                 clientMetrics.setNumRxBytes(getRandomLong(3000000, 7000000));
                 clientMetrics.setNumTxBytes(getRandomLong(3000000, 7000000));
 
-                clientMetrics.setSessionId(getRandomLong(3000000, 7000000));
+                clientMetrics.setSessionId(Long.toUnsignedString(getRandomLong(3000000, 7000000)));
 
                 clientMetrics.setTxRetries(getRandomInt(30, 70));
                 clientMetrics.setRxDuplicatePackets(getRandomInt(30, 70));
@@ -1265,7 +1265,7 @@ public class AllInOneStartListener implements ApplicationRunner {
                 clientMetrics.setNumRxBytes(getRandomLong(3000000, 7000000));
                 clientMetrics.setNumTxBytes(getRandomLong(3000000, 7000000));
 
-                clientMetrics.setSessionId(getRandomLong(3000000, 7000000));
+                clientMetrics.setSessionId(Long.toUnsignedString(getRandomLong(3000000, 7000000)));
 
                 clientMetrics.setTxRetries(getRandomInt(30, 70));
                 clientMetrics.setRxDuplicatePackets(getRandomInt(30, 70));
@@ -1292,7 +1292,7 @@ public class AllInOneStartListener implements ApplicationRunner {
                 clientMetrics.setNumRxBytes(getRandomLong(3000000, 7000000));
                 clientMetrics.setNumTxBytes(getRandomLong(3000000, 7000000));
 
-                clientMetrics.setSessionId(getRandomLong(3000000, 7000000));
+                clientMetrics.setSessionId(Long.toUnsignedString(getRandomLong(3000000, 7000000)));
 
                 clientMetrics.setTxRetries(getRandomInt(30, 70));
                 clientMetrics.setRxDuplicatePackets(getRandomInt(30, 70));
@@ -1361,10 +1361,10 @@ public class AllInOneStartListener implements ApplicationRunner {
             sessionDetails.setRadioType(radioType);
             sessionDetails.setSecurityType(SecurityType.PSK);
             sessionDetails.setSsid(ssidConfig.getSsid());
-            sessionDetails.setSessionId(System.currentTimeMillis());
+            sessionDetails.setSessionId(Long.toUnsignedString(System.currentTimeMillis()));
             sessionDetails.setAssocTimestamp(System.currentTimeMillis() - getRandomLong(10000, 1000000));
 
-            ClientDhcpDetails dhcpDetails = new ClientDhcpDetails(System.currentTimeMillis());
+            ClientDhcpDetails dhcpDetails = new ClientDhcpDetails(Long.toUnsignedString(System.currentTimeMillis()));
             dhcpDetails
                     .setLeaseStartTimestamp(System.currentTimeMillis() - getRandomLong(0, TimeUnit.HOURS.toMillis(4)));
             dhcpDetails.setLeaseTimeInSeconds((int) TimeUnit.HOURS.toSeconds(4));

client-models/src/main/java/com/telecominfraproject/wlan/client/models/events/realtime/ClientAssocEvent.java

@@ -12,7 +12,7 @@ import com.telecominfraproject.wlan.systemevent.equipment.realtime.RealTimeEvent
 public class ClientAssocEvent extends RealTimeEvent implements HasClientMac {
     private static final long serialVersionUID = 7015822981315570338L;
 
-    private long sessionId;
+    private String sessionId;
     private String ssid;
     private MacAddress clientMacAddress;
     private RadioType radioType;
@@ -29,7 +29,7 @@ public class ClientAssocEvent extends RealTimeEvent implements HasClientMac {
         
     }
 
-    public ClientAssocEvent(int customerId, long locationId, long equipmentId, long timestamp, long sessionId, String ssid,
+    public ClientAssocEvent(int customerId, long locationId, long equipmentId, long timestamp, String sessionId, String ssid,
             MacAddress clientMacAddress, RadioType radioType, boolean isReassociation, WlanStatusCode status,
             Integer internalSC, Integer rssi) {
         super(RealTimeEventType.STA_Client_Assoc, customerId, locationId, equipmentId, timestamp);
@@ -50,7 +50,7 @@ public class ClientAssocEvent extends RealTimeEvent implements HasClientMac {
     /**
      * @return the sessionId
      */
-    public long getSessionId() {
+    public String getSessionId() {
         return sessionId;
     }
 
@@ -58,7 +58,7 @@ public class ClientAssocEvent extends RealTimeEvent implements HasClientMac {
      * @param sessionId
      *            the sessionId to set
      */
-    public void setSessionId(long sessionId) {
+    public void setSessionId(String sessionId) {
         this.sessionId = sessionId;
     }
 

client-models/src/main/java/com/telecominfraproject/wlan/client/models/events/realtime/ClientAuthEvent.java

@@ -13,7 +13,7 @@ public class ClientAuthEvent extends RealTimeEvent implements HasClientMac {
 
     private static final long serialVersionUID = 1221389696911864515L;
 
-    private long sessionId;
+    private String sessionId;
     private String ssid;
     private MacAddress clientMacAddress;
     private WlanStatusCode authStatus;
@@ -32,11 +32,11 @@ public class ClientAuthEvent extends RealTimeEvent implements HasClientMac {
         super(eventType, timestamp);
     }
 
-    public long getSessionId() {
+    public String getSessionId() {
         return sessionId;
     }
 
-    public void setSessionId(long sessionId) {
+    public void setSessionId(String sessionId) {
         this.sessionId = sessionId;
     }
 

client-models/src/main/java/com/telecominfraproject/wlan/client/models/events/realtime/ClientConnectSuccessEvent.java

@@ -14,7 +14,7 @@ public class ClientConnectSuccessEvent extends RealTimeEvent implements HasClien
 
     private static final long serialVersionUID = -6082134146801575193L;
     private MacAddress clientMacAddress;
-    private long sessionId;
+    private String sessionId;
     private RadioType radioType;
     private boolean isReassociation;
     private String ssid;
@@ -61,7 +61,7 @@ public class ClientConnectSuccessEvent extends RealTimeEvent implements HasClien
     /**
      * @return the sessionId
      */
-    public long getSessionId() {
+    public String getSessionId() {
         return sessionId;
     }
 
@@ -69,7 +69,7 @@ public class ClientConnectSuccessEvent extends RealTimeEvent implements HasClien
      * @param sessionId
      *            the sessionId to set
      */
-    public void setSessionId(long sessionId) {
+    public void setSessionId(String sessionId) {
         this.sessionId = sessionId;
     }
 

client-models/src/main/java/com/telecominfraproject/wlan/client/models/events/realtime/ClientDisconnectEvent.java

@@ -45,7 +45,7 @@ public class ClientDisconnectEvent extends RealTimeEvent implements HasClientMac
     }
 
     private static final long serialVersionUID = -7674230178565760938L;
-    private long sessionId;
+    private String sessionId;
     private byte[] macAddressBytes;
     private MacAddress clientMacAddress;
     private long lastRecvTime;
@@ -104,7 +104,7 @@ public class ClientDisconnectEvent extends RealTimeEvent implements HasClientMac
         return rssi;
     }
 
-    public long getSessionId() {
+    public String getSessionId() {
         return sessionId;
     }
 
@@ -148,7 +148,7 @@ public class ClientDisconnectEvent extends RealTimeEvent implements HasClientMac
         this.rssi = rssi;
     }
 
-    public void setSessionId(long sessionId) {
+    public void setSessionId(String sessionId) {
         this.sessionId = sessionId;
     }
 

client-models/src/main/java/com/telecominfraproject/wlan/client/models/events/realtime/ClientFailureEvent.java

@@ -14,7 +14,7 @@ import com.telecominfraproject.wlan.systemevent.equipment.realtime.RealTimeEvent
 public class ClientFailureEvent extends RealTimeEvent implements HasClientMac {
     private static final long serialVersionUID = -16021752050335131L;
 
-    private long sessionId;
+    private String sessionId;
     private String ssid;
     private MacAddress clientMacAddress;
     private WlanReasonCode reasonCode;
@@ -38,11 +38,11 @@ public class ClientFailureEvent extends RealTimeEvent implements HasClientMac {
         this.clientMacAddress = clientMacAddress;
     }
 
-    public long getSessionId() {
+    public String getSessionId() {
         return sessionId;
     }
 
-    public void setSessionId(long sessionId) {
+    public void setSessionId(String sessionId) {
         this.sessionId = sessionId;
     }
 

client-models/src/main/java/com/telecominfraproject/wlan/client/models/events/realtime/ClientFirstDataEvent.java

@@ -10,7 +10,7 @@ import com.telecominfraproject.wlan.systemevent.equipment.realtime.RealTimeEvent
 public class ClientFirstDataEvent extends RealTimeEvent implements HasClientMac {
 
     private static final long serialVersionUID = 298223061973506469L;
-    private long sessionId;
+    private String sessionId;
     private MacAddress clientMacAddress;
     private long firstDataRcvdTs;
     private long firstDataSentTs;
@@ -28,11 +28,11 @@ public class ClientFirstDataEvent extends RealTimeEvent implements HasClientMac
         super(eventType, timestamp);
     }
 
-    public long getSessionId() {
+    public String getSessionId() {
         return sessionId;
     }
 
-    public void setSessionId(long sessionId) {
+    public void setSessionId(String sessionId) {
         this.sessionId = sessionId;
     }
 

client-models/src/main/java/com/telecominfraproject/wlan/client/models/events/realtime/ClientIdEvent.java

@@ -1,6 +1,7 @@
 package com.telecominfraproject.wlan.client.models.events.realtime;
 
 import java.util.Arrays;
+import java.util.Objects;
 
 import com.telecominfraproject.wlan.core.model.equipment.MacAddress;
 import com.telecominfraproject.wlan.core.model.json.interfaces.HasClientMac;
@@ -10,7 +11,7 @@ import com.telecominfraproject.wlan.systemevent.equipment.realtime.RealTimeEvent
 public class ClientIdEvent extends RealTimeEvent implements HasClientMac {
 
     private static final long serialVersionUID = 298223061973506469L;
-    private long sessionId;
+    private String sessionId;
     private byte[] macAddressBytes;
     private MacAddress clientMacAddress;
     private String userId;
@@ -27,7 +28,7 @@ public class ClientIdEvent extends RealTimeEvent implements HasClientMac {
     /**
      * @return the sessionId
      */
-    public long getSessionId() {
+    public String getSessionId() {
         return sessionId;
     }
 
@@ -35,7 +36,7 @@ public class ClientIdEvent extends RealTimeEvent implements HasClientMac {
      * @param sessionId
      *            the sessionId to set
      */
-    public void setSessionId(long sessionId) {
+    public void setSessionId(String sessionId) {
         this.sessionId = sessionId;
     }
 
@@ -65,58 +66,28 @@ public class ClientIdEvent extends RealTimeEvent implements HasClientMac {
         this.userId = userId;
     }
 
-    /*
-     * (non-Javadoc)
-     * 
-     * @see java.lang.Object#hashCode()
-     */
+
+
     @Override
     public int hashCode() {
         final int prime = 31;
-        int result = 1;
+        int result = super.hashCode();
         result = prime * result + Arrays.hashCode(macAddressBytes);
-        result = prime * result + (int) (sessionId ^ (sessionId >>> 32));
-        result = prime * result + ((userId == null) ? 0 : userId.hashCode());
-        result = prime * result + ((clientMacAddress == null) ? 0 : clientMacAddress.hashCode());
+        result = prime * result + Objects.hash(clientMacAddress, sessionId, userId);
         return result;
     }
 
-    /*
-     * (non-Javadoc)
-     * 
-     * @see java.lang.Object#equals(java.lang.Object)
-     */
     @Override
     public boolean equals(Object obj) {
-        if (this == obj) {
+        if (this == obj)
             return true;
-        }
-        if (obj == null) {
+        if (!super.equals(obj))
             return false;
-        }
-        if (!super.equals(obj)) {
+        if (getClass() != obj.getClass())
             return false;
-        }
-        if (!(obj instanceof ClientIdEvent)) {
-            return false;
-        }
         ClientIdEvent other = (ClientIdEvent) obj;
-        if (!Arrays.equals(macAddressBytes, other.macAddressBytes))
-            return false;
-        if (sessionId != other.sessionId)
-            return false;
-        if (userId == null) {
-            if (other.userId != null)
-                return false;
-        } else if (!userId.equals(other.userId))
-            return false;
-        if (clientMacAddress == null) {
-            if (other.clientMacAddress != null)
-                return false;
-        } else if (!clientMacAddress.equals(other.clientMacAddress))
-            return false;
-
-        return true;
+        return Objects.equals(clientMacAddress, other.clientMacAddress) && Arrays.equals(macAddressBytes, other.macAddressBytes)
+                && Objects.equals(sessionId, other.sessionId) && Objects.equals(userId, other.userId);
     }
 
     @Override

client-models/src/main/java/com/telecominfraproject/wlan/client/models/events/realtime/ClientIpAddressEvent.java

@@ -12,7 +12,7 @@ public class ClientIpAddressEvent extends RealTimeEvent implements HasClientMac
 
     private static final long serialVersionUID = -5332534925768685589L;
 
-    private long sessionId;
+    private String sessionId;
     private MacAddress clientMacAddress;
     private InetAddress ipAddr;
 
@@ -29,11 +29,11 @@ public class ClientIpAddressEvent extends RealTimeEvent implements HasClientMac
         super(eventType, timestamp);
     }
 
-    public long getSessionId() {
+    public String getSessionId() {
         return sessionId;
     }
 
-    public void setSessionId(long sessionId) {
+    public void setSessionId(String sessionId) {
         this.sessionId = sessionId;
     }
 

client-models/src/main/java/com/telecominfraproject/wlan/client/models/events/realtime/ClientTimeoutEvent.java

@@ -26,7 +26,7 @@ public class ClientTimeoutEvent extends RealTimeEvent implements HasClientMac {
         }
     }
 
-    private long sessionId;
+    private String sessionId;
     private MacAddress clientMacAddress;
     private long lastRecvTime;
     private long lastSentTime;
@@ -45,11 +45,11 @@ public class ClientTimeoutEvent extends RealTimeEvent implements HasClientMac {
         super(eventType, timestamp);
     }
 
-    public long getSessionId() {
+    public String getSessionId() {
         return sessionId;
     }
 
-    public void setSessionId(long sessionId) {
+    public void setSessionId(String sessionId) {
         this.sessionId = sessionId;
     }
 

client-models/src/main/java/com/telecominfraproject/wlan/client/session/models/ClientDhcpDetails.java

@@ -1,6 +1,7 @@
 package com.telecominfraproject.wlan.client.session.models;
 
 import java.net.InetAddress;
+import java.util.Objects;
 
 import com.telecominfraproject.wlan.core.model.equipment.WiFiSessionUtility;
 import com.telecominfraproject.wlan.core.model.json.BaseJsonModel;
@@ -29,10 +30,9 @@ public class ClientDhcpDetails extends BaseJsonModel {
     /**
      * Identifies the association where DHCP last occurred.
      */
-    private long associationId;
+    private String associationId;
     
-
-    public ClientDhcpDetails(long sessionId) {
+    public ClientDhcpDetails(String sessionId) {
         this.associationId = sessionId;
     }
     
@@ -101,10 +101,10 @@ public class ClientDhcpDetails extends BaseJsonModel {
         this.firstDiscoverTimestamp = firstDiscoverTimestamp;
     }
     
-    public long getAssociationId() {
+    public String getAssociationId() {
         return associationId;
     }
-    public void setAssociationId(Long associationId) {
+    public void setAssociationId(String associationId) {
         this.associationId = associationId;
     }
     
@@ -116,123 +116,6 @@ public class ClientDhcpDetails extends BaseJsonModel {
         this.nakTimestamp = nakTimestamp;
     }
 
-    @Override
-    public int hashCode() {
-        final int prime = 31;
-        int result = 1;
-        result = prime * result + (int) (associationId ^ (associationId >>> 32));
-        result = prime * result + ((dhcpServerIp == null) ? 0 : dhcpServerIp.hashCode());
-        result = prime * result + ((firstDiscoverTimestamp == null) ? 0 : firstDiscoverTimestamp.hashCode());
-        result = prime * result + ((firstOfferTimestamp == null) ? 0 : firstOfferTimestamp.hashCode());
-        result = prime * result + ((firstRequestTimestamp == null) ? 0 : firstRequestTimestamp.hashCode());
-        result = prime * result + (fromInternal ? 1231 : 1237);
-        result = prime * result + ((gatewayIp == null) ? 0 : gatewayIp.hashCode());
-        result = prime * result + ((leaseStartTimestamp == null) ? 0 : leaseStartTimestamp.hashCode());
-        result = prime * result + ((leaseTimeInSeconds == null) ? 0 : leaseTimeInSeconds.hashCode());
-        result = prime * result + ((nakTimestamp == null) ? 0 : nakTimestamp.hashCode());
-        result = prime * result + ((primaryDns == null) ? 0 : primaryDns.hashCode());
-        result = prime * result + ((secondaryDns == null) ? 0 : secondaryDns.hashCode());
-        result = prime * result + ((subnetMask == null) ? 0 : subnetMask.hashCode());
-        return result;
-    }
-    @Override
-    public boolean equals(Object obj) {
-        if (this == obj) {
-            return true;
-        }
-        if (obj == null) {
-            return false;
-        }
-        if (!(obj instanceof ClientDhcpDetails)) {
-            return false;
-        }
-        ClientDhcpDetails other = (ClientDhcpDetails) obj;
-        if (associationId != other.associationId) {
-            return false;
-        }
-        if (dhcpServerIp == null) {
-            if (other.dhcpServerIp != null) {
-                return false;
-            }
-        } else if (!dhcpServerIp.equals(other.dhcpServerIp)) {
-            return false;
-        }
-        if (firstDiscoverTimestamp == null) {
-            if (other.firstDiscoverTimestamp != null) {
-                return false;
-            }
-        } else if (!firstDiscoverTimestamp.equals(other.firstDiscoverTimestamp)) {
-            return false;
-        }
-        if (firstOfferTimestamp == null) {
-            if (other.firstOfferTimestamp != null) {
-                return false;
-            }
-        } else if (!firstOfferTimestamp.equals(other.firstOfferTimestamp)) {
-            return false;
-        }
-        if (firstRequestTimestamp == null) {
-            if (other.firstRequestTimestamp != null) {
-                return false;
-            }
-        } else if (!firstRequestTimestamp.equals(other.firstRequestTimestamp)) {
-            return false;
-        }
-        if (fromInternal != other.fromInternal) {
-            return false;
-        }
-        if (gatewayIp == null) {
-            if (other.gatewayIp != null) {
-                return false;
-            }
-        } else if (!gatewayIp.equals(other.gatewayIp)) {
-            return false;
-        }
-        if (leaseStartTimestamp == null) {
-            if (other.leaseStartTimestamp != null) {
-                return false;
-            }
-        } else if (!leaseStartTimestamp.equals(other.leaseStartTimestamp)) {
-            return false;
-        }
-        if (leaseTimeInSeconds == null) {
-            if (other.leaseTimeInSeconds != null) {
-                return false;
-            }
-        } else if (!leaseTimeInSeconds.equals(other.leaseTimeInSeconds)) {
-            return false;
-        }
-        if (nakTimestamp == null) {
-            if (other.nakTimestamp != null) {
-                return false;
-            }
-        } else if (!nakTimestamp.equals(other.nakTimestamp)) {
-            return false;
-        }
-        if (primaryDns == null) {
-            if (other.primaryDns != null) {
-                return false;
-            }
-        } else if (!primaryDns.equals(other.primaryDns)) {
-            return false;
-        }
-        if (secondaryDns == null) {
-            if (other.secondaryDns != null) {
-                return false;
-            }
-        } else if (!secondaryDns.equals(other.secondaryDns)) {
-            return false;
-        }
-        if (subnetMask == null) {
-            if (other.subnetMask != null) {
-                return false;
-            }
-        } else if (!subnetMask.equals(other.subnetMask)) {
-            return false;
-        }
-        return true;
-    }
-    
     @Override
     public ClientDhcpDetails clone() {
         ClientDhcpDetails ret = (ClientDhcpDetails) super.clone();
@@ -241,8 +124,7 @@ public class ClientDhcpDetails extends BaseJsonModel {
     
     public void mergeDetails(ClientDhcpDetails other) {
         if(other == null) return;
-        
-        if(WiFiSessionUtility.decodeWiFiAssociationId(other.associationId)>WiFiSessionUtility.decodeWiFiAssociationId(associationId)) {
+        if(WiFiSessionUtility.decodeWiFiAssociationId(Long.parseUnsignedLong(other.associationId))>WiFiSessionUtility.decodeWiFiAssociationId(Long.parseUnsignedLong(associationId))) {
             // The other dhcp details are from a newer session and so everything must be reset.
             this.dhcpServerIp = null;
             this.firstDiscoverTimestamp = null;
@@ -258,8 +140,7 @@ public class ClientDhcpDetails extends BaseJsonModel {
             this.associationId = other.associationId;
             this.fromInternal = false;
         }
-        else if(other.associationId != associationId) {
-            // other is older, ignore it
+        if(!Objects.equals(this.associationId, other.associationId)) {
             return;
         }
         dhcpServerIp = (InetAddress) assignOtherIfOtherNotNull(dhcpServerIp, other.dhcpServerIp);
@@ -305,4 +186,28 @@ public class ClientDhcpDetails extends BaseJsonModel {
         this.fromInternal = fromInternal;
     }
 
+    @Override
+    public int hashCode() {
+        return Objects.hash(associationId, dhcpServerIp, firstDiscoverTimestamp, firstOfferTimestamp, firstRequestTimestamp, fromInternal, gatewayIp,
+                leaseStartTimestamp, leaseTimeInSeconds, nakTimestamp, primaryDns, secondaryDns, subnetMask);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        ClientDhcpDetails other = (ClientDhcpDetails) obj;
+        return Objects.equals(associationId, other.associationId) && Objects.equals(dhcpServerIp, other.dhcpServerIp)
+                && Objects.equals(firstDiscoverTimestamp, other.firstDiscoverTimestamp) && Objects.equals(firstOfferTimestamp, other.firstOfferTimestamp)
+                && Objects.equals(firstRequestTimestamp, other.firstRequestTimestamp) && fromInternal == other.fromInternal
+                && Objects.equals(gatewayIp, other.gatewayIp) && Objects.equals(leaseStartTimestamp, other.leaseStartTimestamp)
+                && Objects.equals(leaseTimeInSeconds, other.leaseTimeInSeconds) && Objects.equals(nakTimestamp, other.nakTimestamp)
+                && Objects.equals(primaryDns, other.primaryDns) && Objects.equals(secondaryDns, other.secondaryDns)
+                && Objects.equals(subnetMask, other.subnetMask);
+    }
+
 }

client-models/src/main/java/com/telecominfraproject/wlan/client/session/models/ClientSessionDetails.java

@@ -19,7 +19,7 @@ public class ClientSessionDetails extends BaseJsonModel {
 
     private static final long serialVersionUID = -7714023056859882994L;
 
-    private long sessionId;
+    private String sessionId;
     private Long authTimestamp;
     private Long assocTimestamp;
     private Integer assocInternalSC;
@@ -60,16 +60,16 @@ public class ClientSessionDetails extends BaseJsonModel {
     private Integer associationStatus;
     private Integer dynamicVlan;
     private Integer assocRssi;
-    private Long priorSessionId;
+    private String priorSessionId;
     private Long priorEquipmentId;
     private String classificationName;
     private AssociationState associationState;
 
-    public long getSessionId() {
+    public String getSessionId() {
         return sessionId;
     }
 
-    public void setSessionId(long sessionId) {
+    public void setSessionId(String sessionId) {
         this.sessionId = sessionId;
     }
 
@@ -821,11 +821,11 @@ public class ClientSessionDetails extends BaseJsonModel {
         this.assocRssi = assocRssi;
     }
 
-    public Long getPriorSessionId() {
+    public String getPriorSessionId() {
         return priorSessionId;
     }
 
-    public void setPriorSessionId(Long priorSessionId) {
+    public void setPriorSessionId(String priorSessionId) {
         this.priorSessionId = priorSessionId;
     }
 

client-service/src/main/resources/client-service-openapi.yaml

@@ -147,8 +147,7 @@ components:
       type: object
       properties:
         sessionId:
-          type: integer
-          format: int64
+          type: string
         authTimestamp:
           type: integer
           format: int64

cloud-event-dispatcher/src/main/resources/cloud-event-dispatcher-service-openapi.yaml

@@ -662,8 +662,7 @@ components:
         clientMacAddress:
           $ref: '#/components/schemas/MacAddress'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         customerId:
           type: integer
           format: int32
@@ -759,8 +758,7 @@ components:
         allOf:
           $ref: '#/components/schemas/RealTimeEvent'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         ssid:
           type: string
         clientMacAddress:
@@ -791,8 +789,7 @@ components:
         clientMacAddress:
           $ref: '#/components/schemas/MacAddress'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         radioType:
           $ref: '#/components/schemas/RadioType'        
         isReassociation:
@@ -844,8 +841,7 @@ components:
         allOf:
           $ref: '#/components/schemas/RealTimeEvent'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         ssid:
           type: string
         clientMacAddress:
@@ -860,8 +856,7 @@ components:
         allOf:
           $ref: '#/components/schemas/RealTimeEvent'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         macAddressBytes:
           type: array
           items:
@@ -884,8 +879,7 @@ components:
         allOf:
           $ref: '#/components/schemas/RealTimeEvent'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         clientMacAddress:
           $ref: '#/components/schemas/MacAddress'
         lastRecvTime:
@@ -902,8 +896,7 @@ components:
         allOf:
           $ref: '#/components/schemas/RealTimeEvent'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         ssid:
           type: string
         clientMacAddress:
@@ -934,8 +927,7 @@ components:
         allOf:
           $ref: '#/components/schemas/RealTimeEvent'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         ssid:
           type: string
         clientMacAddress:
@@ -971,8 +963,7 @@ components:
         allOf:
           $ref: '#/components/schemas/RealTimeEvent'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         clientMacAddress:
           $ref: '#/components/schemas/MacAddress'          
         firstDataRcvdTs:
@@ -987,8 +978,7 @@ components:
         allOf:
           $ref: '#/components/schemas/RealTimeEvent'   
         sessionId:
-          type: integer
-          format: int64
+          type: string
         clientMacAddress:
           $ref: '#/components/schemas/MacAddress'  
         ipAddr:
@@ -1061,8 +1051,7 @@ components:
           type: integer
           format: int64
         associationId:
-          type: integer
-          format: int64
+          type: string
         clientMacAddress:
           $ref: '#/components/schemas/MacAddress'  
         radioType:
@@ -1104,8 +1093,7 @@ components:
           type: integer
           format: int64
         associationId:
-          type: integer
-          format: int64
+          type: string
         macAddress:
           $ref: '#/components/schemas/MacAddress'  
         radioType:
@@ -1147,8 +1135,7 @@ components:
           type: integer
           format: int64
         sessionId:
-          type: integer
-          format: int64
+          type: string
         clientMac:
           $ref: '#/components/schemas/MacAddress'
         serverIp:
@@ -1167,8 +1154,7 @@ components:
           type: integer
           format: int64
         sessionId:
-          type: integer
-          format: int64
+          type: string
         clientMac:
           $ref: '#/components/schemas/MacAddress'
         serverIp:
@@ -1185,8 +1171,7 @@ components:
           type: integer
           format: int64
         sessionId:
-          type: integer
-          format: int64
+          type: string
         clientMac:
           $ref: '#/components/schemas/MacAddress'
         serverIp:
@@ -1555,8 +1540,7 @@ components:
       type: object
       properties:
         sessionId:
-          type: integer
-          format: int64
+          type: string
         authTimestamp:
           type: integer
           format: int64
@@ -5064,9 +5048,8 @@ components:
           format: int32
         
         sessionId:
-          type: integer
-          format: int64
-        
+          type: string
+       
         classificationName:
           type: string
  

equipment-gateway-models/src/main/java/com/telecominfraproject/wlan/equipmentgateway/models/CEGWCommandType.java

@@ -59,6 +59,11 @@ public enum CEGWCommandType {
 	WdsRequest,
 	
 	ClientBlocklistChangeNotification,
+	
+	/**
+	 * Most recent timestamp for receipt of stats data from this AP.
+	 */
+	MostRecentStatsTimestamp,
 
 	UNSUPPORTED;
 

equipment-gateway-models/src/main/java/com/telecominfraproject/wlan/equipmentgateway/models/CEGWMostRecentStatsTimestamp.java

@@ -0,0 +1,13 @@
+package com.telecominfraproject.wlan.equipmentgateway.models;
+
+public class CEGWMostRecentStatsTimestamp extends CEGatewayCommand {
+
+    private static final long serialVersionUID = -9087897865195978158L;
+
+    public CEGWMostRecentStatsTimestamp() {    
+    }
+    
+    public CEGWMostRecentStatsTimestamp(CEGWCommandType commandType, String inventoryId, long equipmentId) {
+        super(commandType,inventoryId,equipmentId);
+    }
+}

portal-services/src/main/java/com/telecominfraproject/wlan/portal/controller/equipmentgateway/EquipmentGatewayPortalController.java

@@ -16,9 +16,12 @@ import com.telecominfraproject.wlan.equipment.models.Equipment;
 import com.telecominfraproject.wlan.equipment.models.RadioChannelChangeSettings;
 import com.telecominfraproject.wlan.equipmentgateway.models.CEGWBlinkRequest;
 import com.telecominfraproject.wlan.equipmentgateway.models.CEGWCommandResultCode;
+import com.telecominfraproject.wlan.equipmentgateway.models.CEGWCommandType;
 import com.telecominfraproject.wlan.equipmentgateway.models.CEGWFirmwareDownloadRequest;
+import com.telecominfraproject.wlan.equipmentgateway.models.CEGWMostRecentStatsTimestamp;
 import com.telecominfraproject.wlan.equipmentgateway.models.CEGWNewChannelRequest;
 import com.telecominfraproject.wlan.equipmentgateway.models.CEGWRebootRequest;
+import com.telecominfraproject.wlan.equipmentgateway.models.CEGatewayCommand;
 import com.telecominfraproject.wlan.equipmentgateway.models.EquipmentCommandResponse;
 import com.telecominfraproject.wlan.equipmentgateway.service.EquipmentGatewayServiceInterface;
 import com.telecominfraproject.wlan.firmware.FirmwareServiceInterface;
@@ -137,11 +140,12 @@ public class EquipmentGatewayPortalController {
             return new GenericResponse(false, "Failed to trigger AP factory reset: " + response.getResultCode() + " " + response.getResultDetail());
         }
     }
-    
+
     @RequestMapping(value = "/equipmentGateway/requestApBlinkLEDs", method = RequestMethod.POST)
     public GenericResponse requestApBlinkLEDs(@RequestParam long equipmentId, @RequestParam boolean blinkAllLEDs) {
         String action = "stop blinking LEDs on AP ";
-        if (blinkAllLEDs) action = "start blinking LEDs on AP ";
+        if (blinkAllLEDs)
+            action = "start blinking LEDs on AP ";
         Equipment equipment = equipmentServiceInterface.get(equipmentId);
         LOG.debug("Request {} for AP {}", action, equipment.getInventoryId());
 
@@ -150,8 +154,7 @@ public class EquipmentGatewayPortalController {
         apBlinkLEDs.setBlinkAllLEDs(blinkAllLEDs);
 
         EquipmentCommandResponse response = equipmentGatewayServiceInterface.sendCommand(apBlinkLEDs);
-        LOG.debug("{} response {}", action,response);
-
+        LOG.debug("{} response {}", action, response);
 
         if (response.getResultCode() == CEGWCommandResultCode.Success) {
             return new GenericResponse(true, "");
@@ -160,4 +163,17 @@ public class EquipmentGatewayPortalController {
         }
     }
 
+    @RequestMapping(value = "/equipmentGateway/lastReceivedStatsTimestamp", method = RequestMethod.GET)
+    public GenericResponse lastReceivedStatsTimestamp(@RequestParam long equipmentId) {
+        Equipment equipment = equipmentServiceInterface.get(equipmentId);
+        String apId = equipment.getInventoryId();
+        CEGWMostRecentStatsTimestamp mostRecentStatsTimestamp = new CEGWMostRecentStatsTimestamp(CEGWCommandType.MostRecentStatsTimestamp, apId, equipmentId);
+        EquipmentCommandResponse response = equipmentGatewayServiceInterface.sendCommand(mostRecentStatsTimestamp);
+        LOG.debug("lastReceivedStatsTimestamp response {}", response);
+        if (response.getResultCode() == CEGWCommandResultCode.Success) {
+            return new GenericResponse(true, response.getResultDetail());
+        } else {
+            return new GenericResponse(false, response.getResultCode() + " - Failed to get last received stats timestamp for " + apId);
+        }
+    }
 }

portal-services/src/main/resources/portal-services-openapi.yaml

@@ -4347,8 +4347,7 @@ components:
       type: object
       properties:
         sessionId:
-          type: integer
-          format: int64
+          type: string
         authTimestamp:
           type: integer
           format: int64
@@ -5234,9 +5233,8 @@ components:
           format: int32
         
         sessionId:
-          type: integer
-          format: int64
-        
+          type: string
+       
         classificationName:
           type: string
 
@@ -9783,8 +9781,7 @@ components:
         clientMacAddress:
           $ref: '#/components/schemas/MacAddress'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         customerId:
           type: integer
           format: int32
@@ -9916,8 +9913,7 @@ components:
         allOf:
           $ref: '#/components/schemas/RealTimeEvent'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         ssid:
           type: string
         clientMacAddress:
@@ -9952,8 +9948,7 @@ components:
         clientMacAddress:
           $ref: '#/components/schemas/MacAddress'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         radioType:
           $ref: '#/components/schemas/RadioType'        
         isReassociation:
@@ -10009,8 +10004,7 @@ components:
         allOf:
           $ref: '#/components/schemas/RealTimeEvent'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         ssid:
           type: string
         clientMacAddress:
@@ -10029,8 +10023,7 @@ components:
         allOf:
           $ref: '#/components/schemas/RealTimeEvent'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         macAddressBytes:
           type: array
           items:
@@ -10057,8 +10050,7 @@ components:
         allOf:
           $ref: '#/components/schemas/RealTimeEvent'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         clientMacAddress:
           $ref: '#/components/schemas/MacAddress'
         lastRecvTime:
@@ -10079,8 +10071,7 @@ components:
         allOf:
           $ref: '#/components/schemas/RealTimeEvent'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         ssid:
           type: string
         clientMacAddress:
@@ -10115,8 +10106,7 @@ components:
         allOf:
           $ref: '#/components/schemas/RealTimeEvent'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         ssid:
           type: string
         clientMacAddress:
@@ -10156,8 +10146,7 @@ components:
         allOf:
           $ref: '#/components/schemas/RealTimeEvent'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         clientMacAddress:
           $ref: '#/components/schemas/MacAddress'          
         firstDataRcvdTs:
@@ -10176,8 +10165,7 @@ components:
         allOf:
           $ref: '#/components/schemas/RealTimeEvent'   
         sessionId:
-          type: integer
-          format: int64
+          type: string
         clientMacAddress:
           $ref: '#/components/schemas/MacAddress'  
         ipAddr:
@@ -10259,8 +10247,7 @@ components:
           type: integer
           format: int64
         associationId:
-          type: integer
-          format: int64
+          type: string
         clientMacAddress:
           $ref: '#/components/schemas/MacAddress'  
         radioType:
@@ -10302,8 +10289,7 @@ components:
           type: integer
           format: int64
         associationId:
-          type: integer
-          format: int64
+          type: string
         macAddress:
           $ref: '#/components/schemas/MacAddress'  
         radioType:
@@ -10353,8 +10339,7 @@ components:
           type: integer
           format: int64
         sessionId:
-          type: integer
-          format: int64
+          type: string
         clientMac:
           $ref: '#/components/schemas/MacAddress'
         serverIp:
@@ -10377,8 +10362,7 @@ components:
           type: integer
           format: int64
         sessionId:
-          type: integer
-          format: int64
+          type: string
         clientMac:
           $ref: '#/components/schemas/MacAddress'
         serverIp:
@@ -10399,8 +10383,7 @@ components:
           type: integer
           format: int64
         sessionId:
-          type: integer
-          format: int64
+          type: string
         clientMac:
           $ref: '#/components/schemas/MacAddress'
         serverIp:
@@ -14290,6 +14273,31 @@ paths:
                 $ref: '#/components/schemas/GenericResponse'
         500:
           $ref: '#/components/responses/GenericApiError'
+
+  /portal/equipmentGateway/lastReceivedStatsTimestamp:
+    get:
+      tags:
+       - Equipment Gateway
+      summary: Request to get the last received (most recent) stats received timestamp for the APs session with the gateway controller
+      operationId: lastReceivedStatsTimestamp
+      parameters:
+      - name: equipmentId
+        in: query
+        description: Equipment id for AP for which last received stats timestamp is being requested.
+        required: true
+        schema:
+          type: integer
+          format: int64
+      responses:
+        200:
+          description: successful operation
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/GenericResponse'
+        500:
+          $ref: '#/components/responses/GenericApiError'
+
           
   /portal/equipmentGateway/requestChannelChange:
     post:

service-metric-models/src/main/java/com/telecominfraproject/wlan/servicemetric/client/models/ClientMetrics.java

@@ -42,7 +42,7 @@ public class ClientMetrics extends ServiceMetricDetails {
     private Integer vhtMcs;
     private Integer snr;
     private Integer rssi;
-    private Long sessionId;
+    private String sessionId;
     private String classificationName;
     ChannelBandwidth channelBandWidth;
     GuardInterval guardInterval;
@@ -1191,7 +1191,7 @@ public class ClientMetrics extends ServiceMetricDetails {
         return rxLastRssi;
     }
 
-    public Long getSessionId() {
+    public String getSessionId() {
         return sessionId;
     }
 
@@ -1537,7 +1537,7 @@ public class ClientMetrics extends ServiceMetricDetails {
         this.rxLastRssi = rxLastRssi;
     }
 
-    public void setSessionId(Long sessionId) {
+    public void setSessionId(String sessionId) {
         this.sessionId = sessionId;
     }
 

service-metric-service/src/main/resources/service-metric-service-openapi.yaml

@@ -270,8 +270,7 @@ components:
           format: int32
         
         sessionId:
-          type: integer
-          format: int64
+          type: string
         
         classificationName:
           type: string

system-event-datastore-cassandra/src/main/java/com/telecominfraproject/wlan/systemevent/datastore/cassandra/SystemEventDatastoreCassandra.java

@@ -33,6 +33,7 @@ import com.telecominfraproject.wlan.core.model.pagination.PaginationResponse;
 import com.telecominfraproject.wlan.core.server.cassandra.RowMapper;
 import com.telecominfraproject.wlan.systemevent.datastore.SystemEventDatastore;
 import com.telecominfraproject.wlan.systemevent.models.SystemEventRecord;
+import com.telecominfraproject.wlan.systemevent.models.SystemEventStats;
 
 
 /**
@@ -1031,4 +1032,9 @@ public class SystemEventDatastoreCassandra implements SystemEventDatastore {
         return nextPagingState;
     }
 
+    @Override
+    public SystemEventStats getSystemEventStats(String filterAttributeName, String filterAttributeValue, long fromTime, long toTime) {
+         return new SystemEventStats();
+    }
+
 }

system-event-datastore-inmemory/src/main/java/com/telecominfraproject/wlan/systemevent/datastore/inmemory/SystemEventDatastoreInMemory.java

@@ -3,6 +3,7 @@ package com.telecominfraproject.wlan.systemevent.datastore.inmemory;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
+import java.util.HashMap;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
@@ -20,8 +21,10 @@ import com.telecominfraproject.wlan.core.model.pagination.PaginationResponse;
 import com.telecominfraproject.wlan.core.model.pagination.SortOrder;
 import com.telecominfraproject.wlan.datastore.inmemory.BaseInMemoryDatastore;
 import com.telecominfraproject.wlan.systemevent.datastore.SystemEventDatastore;
+import com.telecominfraproject.wlan.systemevent.models.EquipmentEventStats;
 import com.telecominfraproject.wlan.systemevent.models.SystemEventRecord;
 import com.telecominfraproject.wlan.systemevent.models.SystemEventRecordKey;
+import com.telecominfraproject.wlan.systemevent.models.SystemEventStats;
 
 /**
  * @author dtoptygin
@@ -228,4 +231,38 @@ public class SystemEventDatastoreInMemory extends BaseInMemoryDatastore implemen
         return clientMacAddresses.contains(macAddress);
     }
 
+    @Override
+    public SystemEventStats getSystemEventStats(String filterAttributeName, String filterAttributeValue, long fromTime, long toTime) {
+        List<SystemEventRecord> items = new LinkedList<>();
+
+        // apply filters and build the full result list first - inefficient, but ok for testing
+        for (SystemEventRecord mdl : idToSystemEventRecordMap.values()) {
+
+            if (mdl.getEventTimestamp() >= fromTime && mdl.getEventTimestamp() <= toTime) {
+                items.add(mdl);
+            }
+        }
+
+        SystemEventStats stats = new SystemEventStats();
+        stats.setTotalCount(items.size());
+        Map<String, EquipmentEventStats> eqptStatsMap = new HashMap<>();
+        for (SystemEventRecord mdl : items) {
+            EquipmentEventStats eqptStats = eqptStatsMap.get(Long.toString(mdl.getEquipmentId()));
+            if (eqptStats == null) {
+                eqptStats = new EquipmentEventStats();
+                eqptStats.setEquipmentId(mdl.getEquipmentId());
+                eqptStatsMap.put(Long.toString(mdl.getEquipmentId()), eqptStats);
+            }
+            eqptStats.setTotalCount(eqptStats.getTotalCount() + 1);
+            if (mdl.getEventTimestamp() > eqptStats.getLastEventTime()) {
+                eqptStats.setLastEventTime(mdl.getEventTimestamp());
+            }
+            items.add(mdl);
+        }
+
+        List<EquipmentEventStats> equipmentStats = new ArrayList<>();
+        stats.setEquipmentStats(equipmentStats);
+        return stats;
+    }
+
 }

system-event-datastore-interface/src/main/java/com/telecominfraproject/wlan/systemevent/datastore/SystemEventDatastore.java

@@ -8,6 +8,7 @@ import com.telecominfraproject.wlan.core.model.pagination.ColumnAndSort;
 import com.telecominfraproject.wlan.core.model.pagination.PaginationContext;
 import com.telecominfraproject.wlan.core.model.pagination.PaginationResponse;
 import com.telecominfraproject.wlan.systemevent.models.SystemEventRecord;
+import com.telecominfraproject.wlan.systemevent.models.SystemEventStats;
 
 /**
  * @author dtoptygin
@@ -60,4 +61,13 @@ public interface SystemEventDatastore {
 			List<ColumnAndSort> sortBy,
 			PaginationContext<SystemEventRecord> context);
 
+    /**
+     * @param filterAttributeName
+     * @param filterAttributeValue
+     * @param fromTime
+     * @param toTime
+     * @return Returns system event statistics for the given time range.
+     */
+    SystemEventStats getSystemEventStats(String filterAttributeName, String filterAttributeValue, long fromTime, long toTime);
+
 }

system-event-models/src/main/java/com/telecominfraproject/wlan/systemevent/equipment/BaseDhcpEvent.java

@@ -20,12 +20,12 @@ public abstract class BaseDhcpEvent extends SystemEvent implements HasClientMac,
     private InetAddress clientIp;
     private InetAddress relayIp;
     private MacAddress clientMacAddress;
-    private long sessionId; // association sessionid
+    private String sessionId; // association sessionid
     private int customerId;
     private long equipmentId;
     private long locationId;
 
-    public BaseDhcpEvent(int customerId, long locationId, long equipmentId, long eventTimestamp, long sessionId) {
+    public BaseDhcpEvent(int customerId, long locationId, long equipmentId, long eventTimestamp, String sessionId) {
         super(eventTimestamp);
         this.customerId = customerId;
         this.locationId = locationId;
@@ -113,11 +113,11 @@ public abstract class BaseDhcpEvent extends SystemEvent implements HasClientMac,
         this.relayIp = relayIp;
     }
 
-    public long getSessionId() {
+    public String getSessionId() {
         return sessionId;
     }
 
-    public void setSessionId(long sessionId) {
+    public void setSessionId(String sessionId) {
         this.sessionId = sessionId;
     }
     

system-event-models/src/main/java/com/telecominfraproject/wlan/systemevent/equipment/DhcpAckEvent.java

@@ -22,12 +22,12 @@ public class DhcpAckEvent extends BaseDhcpEvent {
      */
     private boolean fromInternal = false;
 
-    public DhcpAckEvent(int customerId, long locationId, long equipmentId, long eventTimestamp, long sessionId) {
+    public DhcpAckEvent(int customerId, long locationId, long equipmentId, long eventTimestamp, String sessionId) {
         super(customerId, locationId, equipmentId, eventTimestamp, sessionId);
     }
 
     public DhcpAckEvent() {
-        super(0, 0L,0L,0L,0L);
+        super(0, 0L,0L,0L,"0");
     }
 
     public InetAddress getGatewayIp() {

system-event-models/src/main/java/com/telecominfraproject/wlan/systemevent/equipment/DhcpDeclineEvent.java

@@ -10,12 +10,12 @@ package com.telecominfraproject.wlan.systemevent.equipment;
 public class DhcpDeclineEvent extends BaseDhcpEvent {
     private static final long serialVersionUID = -7745659083975485467L;
 
-    public DhcpDeclineEvent(int customerId, long locationId, long equipmentId, long eventTimestamp, long sessionId){
+    public DhcpDeclineEvent(int customerId, long locationId, long equipmentId, long eventTimestamp, String sessionId){
     	super(customerId, locationId, equipmentId,eventTimestamp, sessionId);
     }
     
     public DhcpDeclineEvent() {
-        super(0,0L, 0L,0L,0L);
+        super(0,0L, 0L,0L,"0");
     }
 
     @Override

system-event-models/src/main/java/com/telecominfraproject/wlan/systemevent/equipment/DhcpDiscoverEvent.java

@@ -9,12 +9,12 @@ public class DhcpDiscoverEvent extends BaseDhcpEvent {
     private static final long serialVersionUID = -8290687227649478971L;
     private String hostName;
 
-    public DhcpDiscoverEvent(int customerId, long locationId, long equipmentId, long eventTimestamp, long sessionId){
+    public DhcpDiscoverEvent(int customerId, long locationId, long equipmentId, long eventTimestamp, String sessionId){
     	super(customerId, locationId,equipmentId,eventTimestamp,sessionId);
     }
     
     public DhcpDiscoverEvent() {
-        super(0, 0L,0L,0L,0L);
+        super(0, 0L,0L,0L,"0");
     }
 
     /**

system-event-models/src/main/java/com/telecominfraproject/wlan/systemevent/equipment/DhcpInformEvent.java

@@ -10,12 +10,12 @@ package com.telecominfraproject.wlan.systemevent.equipment;
 public class DhcpInformEvent extends BaseDhcpEvent {
     private static final long serialVersionUID = 7053813308222200205L;
 
-    public DhcpInformEvent(int customerId, long locationId, long equipmentId, long eventTimestamp, long sessionId){
+    public DhcpInformEvent(int customerId, long locationId, long equipmentId, long eventTimestamp, String sessionId){
     	super(customerId, locationId,equipmentId,eventTimestamp, sessionId);
     }
     
     public DhcpInformEvent() {
-        super(0, 0L,0L,0L,0L);
+        super(0, 0L,0L,0L,"0");
     }
 
     @Override

system-event-models/src/main/java/com/telecominfraproject/wlan/systemevent/equipment/DhcpNakEvent.java

@@ -9,12 +9,12 @@ public class DhcpNakEvent extends BaseDhcpEvent {
     private static final long serialVersionUID = -8648265834227002667L;
     private boolean fromInternal = false;
 
-    public DhcpNakEvent(int customerId, long locationId, long equipmentId, long eventTimestamp, long sessionId) {
+    public DhcpNakEvent(int customerId, long locationId, long equipmentId, long eventTimestamp, String sessionId) {
         super(customerId, locationId, equipmentId, eventTimestamp, sessionId);
     }
 
     public DhcpNakEvent() {
-        super(0, 0L,0L,0L,0L);
+        super(0, 0L,0L,0L,"0");
     }
 
     /**

system-event-models/src/main/java/com/telecominfraproject/wlan/systemevent/equipment/DhcpOfferEvent.java

@@ -10,12 +10,12 @@ public class DhcpOfferEvent extends BaseDhcpEvent {
      */
     private boolean fromInternal = false;
 
-    public DhcpOfferEvent(int customerId, long locationId, long equipmentId, long eventTimestamp, long sessionId) {
+    public DhcpOfferEvent(int customerId, long locationId, long equipmentId, long eventTimestamp, String sessionId) {
         super(customerId, locationId, equipmentId, eventTimestamp, sessionId);
     }
 
     public DhcpOfferEvent() {
-        super(0, 0L,0L,0L,0L);
+        super(0, 0L,0L,0L,"0");
     }
 
     /**

system-event-models/src/main/java/com/telecominfraproject/wlan/systemevent/equipment/DhcpRequestEvent.java

@@ -9,12 +9,12 @@ public class DhcpRequestEvent extends BaseDhcpEvent {
     private static final long serialVersionUID = 906425685437156761L;
     private String hostName;
     
-    public DhcpRequestEvent(int customerId, long locationId, long equipmentId, long eventTimestamp, long sessionId){
+    public DhcpRequestEvent(int customerId, long locationId, long equipmentId, long eventTimestamp, String sessionId){
     	super(customerId, locationId,equipmentId,eventTimestamp, sessionId);
     }
     
     public DhcpRequestEvent() {
-        super(0, 0L,0L,0L,0L);
+        super(0, 0L,0L,0L,"0");
     }
 
     /**

system-event-models/src/main/java/com/telecominfraproject/wlan/systemevent/equipment/realtime/RealTimeSipCallEventWithStats.java

@@ -28,7 +28,7 @@ public abstract class RealTimeSipCallEventWithStats extends RealTimeEvent
     private static final long serialVersionUID = -8908272967317508366L;
 
     private Long sipCallId;
-    private Long associationId;
+    private String associationId;
     private MacAddress clientMacAddress;
     private List<RtpFlowStats> statuses;
     private int channel;
@@ -49,12 +49,12 @@ public abstract class RealTimeSipCallEventWithStats extends RealTimeEvent
         this.sipCallId = sipCallId;
     }
 
-    public Long getAssociationId() {
+    public String getAssociationId() {
         return associationId;
     }
 
-    public void setAssociationId(Long associationId) {
-        this.associationId = associationId;
+    public void setAssociationId(String string) {
+        this.associationId = string;
     }
 
     @Override
@@ -79,7 +79,7 @@ public abstract class RealTimeSipCallEventWithStats extends RealTimeEvent
     }
 
     public boolean hasValidAssociationId() {
-        return (associationId != null) && (associationId != 0);
+        return (associationId != null) && (!associationId.equals("0"));
     }
 
     public int getChannel() {

system-event-models/src/main/java/com/telecominfraproject/wlan/systemevent/equipment/realtime/RealTimeSipCallStartEvent.java

@@ -18,7 +18,7 @@ public class RealTimeSipCallStartEvent extends RealTimeEvent
      */
     private static final long serialVersionUID = -7289926906539107435L;
     private Long sipCallId;
-    private Long associationId;
+    private String associationId;
     private MacAddress macAddress;
     private List<String> codecs;
     private String providerDomain;
@@ -52,7 +52,7 @@ public class RealTimeSipCallStartEvent extends RealTimeEvent
                 && Objects.equals(channel, other.channel) && Objects.equals(radioType, other.radioType);
     }
 
-    public Long getAssociationId() {
+    public String getAssociationId() {
         return associationId;
     }
 
@@ -92,7 +92,7 @@ public class RealTimeSipCallStartEvent extends RealTimeEvent
         return result;
     }
 
-    public void setAssociationId(Long associationId) {
+    public void setAssociationId(String associationId) {
         this.associationId = associationId;
     }
 
@@ -131,7 +131,7 @@ public class RealTimeSipCallStartEvent extends RealTimeEvent
     }
 
     public boolean hasValidAssociationId() {
-        return (associationId != null) && (associationId != 0);
+        return (associationId != null) && (!associationId.equals("0"));
     }
 
     public int getChannel() {

system-event-models/src/main/java/com/telecominfraproject/wlan/systemevent/equipment/realtime/RealTimeStreamingStartEvent.java

@@ -13,8 +13,8 @@ public class RealTimeStreamingStartEvent extends RealTimeEvent
         implements HasCustomerId, HasEquipmentId, HasClientMac, HasProducedTimestamp {
 
     private static final long serialVersionUID = -591221857158333271L;
-    private Long videoSessionId;
-    private Long sessionId;
+    private String videoSessionId;
+    private String sessionId;
     private MacAddress clientMac;
     private InetAddress serverIp;
     private String serverDnsName;
@@ -40,19 +40,19 @@ public class RealTimeStreamingStartEvent extends RealTimeEvent
         this.serverDnsName = serverDnsName;
     }
 
-    public Long getVideoSessionId() {
+    public String getVideoSessionId() {
         return videoSessionId;
     }
 
-    public void setVideoSessionId(Long videoSessionId) {
+    public void setVideoSessionId(String videoSessionId) {
         this.videoSessionId = videoSessionId;
     }
 
-    public Long getSessionId() {
+    public String getSessionId() {
         return sessionId;
     }
 
-    public void setSessionId(Long sessionId) {
+    public void setSessionId(String sessionId) {
         this.sessionId = sessionId;
     }
 

system-event-models/src/main/java/com/telecominfraproject/wlan/systemevent/equipment/realtime/RealTimeStreamingStartSessionEvent.java

@@ -13,8 +13,8 @@ public class RealTimeStreamingStartSessionEvent extends RealTimeEvent
         implements HasCustomerId, HasEquipmentId, HasClientMac, HasProducedTimestamp {
 
     private static final long serialVersionUID = 4395850344272425198L;
-    private Long videoSessionId;
-    private Long sessionId;
+    private String videoSessionId;
+    private String sessionId;
     private MacAddress clientMac;
     private InetAddress serverIp;
     private StreamingVideoType type;
@@ -31,19 +31,19 @@ public class RealTimeStreamingStartSessionEvent extends RealTimeEvent
         super(RealTimeEventType.VideoStreamDebugStart, customerId, locationId, equipmentId, eventTimestamp);
     }
 
-    public Long getVideoSessionId() {
+    public String getVideoSessionId() {
         return videoSessionId;
     }
 
-    public void setVideoSessionId(Long videoSessionId) {
+    public void setVideoSessionId(String videoSessionId) {
         this.videoSessionId = videoSessionId;
     }
 
-    public Long getSessionId() {
+    public String getSessionId() {
         return sessionId;
     }
 
-    public void setSessionId(Long sessionId) {
+    public void setSessionId(String sessionId) {
         this.sessionId = sessionId;
     }
 

system-event-models/src/main/java/com/telecominfraproject/wlan/systemevent/equipment/realtime/RealTimeStreamingStopEvent.java

@@ -13,8 +13,8 @@ public class RealTimeStreamingStopEvent extends RealTimeEvent
         implements HasCustomerId, HasEquipmentId, HasClientMac, HasProducedTimestamp {
 
     private static final long serialVersionUID = 6433913573274597688L;
-    private Long videoSessionId;
-    private Long sessionId;
+    private String videoSessionId;
+    private String sessionId;
     private MacAddress clientMac;
     private InetAddress serverIp;
     private Long totalBytes;
@@ -33,19 +33,19 @@ public class RealTimeStreamingStopEvent extends RealTimeEvent
         super(RealTimeEventType.VideoStreamStop, customerId, locationId, equipmentId, eventTimestamp);
     }
 
-    public Long getVideoSessionId() {
+    public String getVideoSessionId() {
         return videoSessionId;
     }
 
-    public void setVideoSessionId(Long videoSessionId) {
+    public void setVideoSessionId(String videoSessionId) {
         this.videoSessionId = videoSessionId;
     }
 
-    public Long getSessionId() {
+    public String getSessionId() {
         return sessionId;
     }
 
-    public void setSessionId(Long sessionId) {
+    public void setSessionId(String sessionId) {
         this.sessionId = sessionId;
     }
 

system-event-models/src/main/java/com/telecominfraproject/wlan/systemevent/models/EquipmentEventStats.java

@@ -0,0 +1,58 @@
+
+package com.telecominfraproject.wlan.systemevent.models;
+
+import com.telecominfraproject.wlan.core.model.json.BaseJsonModel;
+
+/**
+ * Total and per-oui/equipment/radio counts of the Client Sessions
+ */
+public class EquipmentEventStats extends BaseJsonModel {
+
+    private static final long serialVersionUID = 6630012772286577077L;
+
+    /**
+     * The equipment ID.
+     */
+    private long equipmentId;
+
+    /**
+     * Count of system events for the equipment.
+     */
+    private long totalCount;
+
+    /**
+     * Last event time.
+     */
+    private long lastEventTime;
+
+    public long getEquipmentId() {
+        return equipmentId;
+    }
+
+    public void setEquipmentId(long equipmentId) {
+        this.equipmentId = equipmentId;
+    }
+
+    public long getTotalCount() {
+        return totalCount;
+    }
+
+    public void setTotalCount(long totalCount) {
+        this.totalCount = totalCount;
+    }
+
+    public long getLastEventTime() {
+        return lastEventTime;
+    }
+
+    public void setLastEventTime(long lastEventTime) {
+        this.lastEventTime = lastEventTime;
+    }
+
+    @Override
+    public EquipmentEventStats clone() {
+        EquipmentEventStats ret = (EquipmentEventStats) super.clone();
+        return ret;
+    }
+
+}

system-event-models/src/main/java/com/telecominfraproject/wlan/systemevent/models/SystemEventStats.java

@@ -0,0 +1,51 @@
+
+package com.telecominfraproject.wlan.systemevent.models;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import com.telecominfraproject.wlan.core.model.json.BaseJsonModel;
+
+/**
+ * Total and per equipment counts of the System Events
+ */
+public class SystemEventStats extends BaseJsonModel {
+
+    private static final long serialVersionUID = 6630012772286577077L;
+
+    /**
+     * Total count of all system events.
+     */
+    private long totalCount;
+
+    /**
+     * Counts of system events per equipment Id.
+     */
+    private List<EquipmentEventStats> equipmentStats = new ArrayList<>();
+
+    public long getTotalCount() {
+        return totalCount;
+    }
+
+    public void setTotalCount(long totalCount) {
+        this.totalCount = totalCount;
+    }
+
+    public List<EquipmentEventStats> getEquipmentStats() {
+        return equipmentStats;
+    }
+
+    public void setEquipmentStats(List<EquipmentEventStats> equipmentStats) {
+        this.equipmentStats = equipmentStats;
+    }
+
+    @Override
+    public SystemEventStats clone() {
+        SystemEventStats ret = (SystemEventStats) super.clone();
+        if (equipmentStats != null) {
+            ret.equipmentStats = new ArrayList<>(equipmentStats);
+        }
+        return ret;
+    }
+
+}

system-event-service-interface/src/main/java/com/telecominfraproject/wlan/systemevent/SystemEventServiceInterface.java

@@ -9,6 +9,7 @@ import com.telecominfraproject.wlan.core.model.pagination.ColumnAndSort;
 import com.telecominfraproject.wlan.core.model.pagination.PaginationContext;
 import com.telecominfraproject.wlan.core.model.pagination.PaginationResponse;
 import com.telecominfraproject.wlan.systemevent.models.SystemEventRecord;
+import com.telecominfraproject.wlan.systemevent.models.SystemEventStats;
 
 
 /**
@@ -70,4 +71,13 @@ public interface SystemEventServiceInterface {
 	    return getForCustomer(fromTime, toTime, customerId, null, equipmentIds, null, dataTypes, sortBy, context);
 	}
 
+    /**
+     * @param filterAttributeName
+     * @param filterAttributeValue
+     * @param fromTime
+     * @param toTime
+     * @return Returns system event statistics for the given time range.
+     */
+    SystemEventStats getSystemEventStats(String filterAttributeName, String filterAttributeValue, long fromTime, long toTime);
+
 }

system-event-service-local/src/main/java/com/telecominfraproject/wlan/systemevent/SystemEventServiceLocal.java

@@ -15,6 +15,7 @@ import com.telecominfraproject.wlan.core.model.pagination.PaginationContext;
 import com.telecominfraproject.wlan.core.model.pagination.PaginationResponse;
 import com.telecominfraproject.wlan.systemevent.controller.SystemEventController;
 import com.telecominfraproject.wlan.systemevent.models.SystemEventRecord;
+import com.telecominfraproject.wlan.systemevent.models.SystemEventStats;
 
 /**
  * @author dtoptygin
@@ -56,11 +57,17 @@ public class SystemEventServiceLocal implements SystemEventServiceInterface {
 	        Set<Long> locationIds, Set<Long> equipmentIds, Set<MacAddress> clientMacAdresses, Set<String> dataTypes, List<ColumnAndSort> sortBy,
 			PaginationContext<SystemEventRecord> context) {
 		
-        LOG.debug("calling serviceMetricController.getForCustomer {} {} {} ", fromTime, toTime, customerId);
+        LOG.debug("calling systemEventController.getForCustomer {} {} {} ", fromTime, toTime, customerId);
 
         return systemEventController.getForCustomer(fromTime, toTime, customerId,
                 locationIds, equipmentIds, clientMacAdresses, dataTypes, sortBy, context);
 	}
 
-    
+    @Override
+    public SystemEventStats getSystemEventStats(String filterAttributeName, String filterAttributeValue, long fromTime, long toTime) {
+        LOG.debug("calling systemEventController.getSystemEventStats {} {} {} {}", filterAttributeName, filterAttributeValue, fromTime, toTime);
+
+        return systemEventController.getSystemEventStats(filterAttributeName, filterAttributeValue, fromTime, toTime);
+    }
+
 }

system-event-service-remote/src/main/java/com/telecominfraproject/wlan/systemevent/SystemEventServiceRemote.java

@@ -20,6 +20,7 @@ import com.telecominfraproject.wlan.core.model.pagination.PaginationContext;
 import com.telecominfraproject.wlan.core.model.pagination.PaginationResponse;
 import com.telecominfraproject.wlan.datastore.exceptions.DsDataValidationException;
 import com.telecominfraproject.wlan.systemevent.models.SystemEventRecord;
+import com.telecominfraproject.wlan.systemevent.models.SystemEventStats;
 
 /**
  * @author dtoptygin
@@ -175,5 +176,22 @@ public class SystemEventServiceRemote extends BaseRemoteClient implements System
     	return baseUrl;
     }
 
+    @Override
+    public SystemEventStats getSystemEventStats(String filterAttributeName, String filterAttributeValue, long fromTime, long toTime) {
+        LOG.debug("calling getSystemEventStats( {}, {}, {}, {} )", filterAttributeName, filterAttributeValue, fromTime, toTime);
+
+        try {
+            ResponseEntity<SystemEventStats> responseEntity = restTemplate.exchange(getBaseUrl() +
+                    "/stats?filterAttributeName={filterAttributeName}&filterAttributeValue={filterAttributeValue}&fromTime={fromTime}&toTime={toTime}",
+                    HttpMethod.GET, null, SystemEventStats.class, filterAttributeName, filterAttributeValue, fromTime, toTime);
+
+            SystemEventStats result = responseEntity.getBody();
+            LOG.debug("getSessionCounts({}, {}, {}, {}) returns {} ", filterAttributeName, filterAttributeValue, fromTime, toTime, result);
+            return result;
+        } catch (Exception exp) {
+            LOG.error("getSessionCounts({}, {}, {}, {}) exception ", filterAttributeName, filterAttributeValue, fromTime, toTime, exp);
+            throw exp;
+        }
+    }
 
 }

system-event-service/src/main/java/com/telecominfraproject/wlan/systemevent/controller/SystemEventController.java

@@ -7,6 +7,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
@@ -22,6 +23,7 @@ import com.telecominfraproject.wlan.core.model.pagination.PaginationResponse;
 import com.telecominfraproject.wlan.datastore.exceptions.DsDataValidationException;
 import com.telecominfraproject.wlan.systemevent.datastore.SystemEventDatastore;
 import com.telecominfraproject.wlan.systemevent.models.SystemEventRecord;
+import com.telecominfraproject.wlan.systemevent.models.SystemEventStats;
 
 
 /**
@@ -141,7 +143,6 @@ public class SystemEventController {
         return ret;
     }
     
-    
     /**
      * Deletes SystemEventRecord records
      * 
@@ -173,5 +174,23 @@ public class SystemEventController {
     	
     	return new GenericResponse(true, "");
     }
-    
+
+    /**
+     * @param filterAttributeName
+     * @param filterAttributeValue
+     * @param fromTime
+     * @param toTime
+     * @return Returns system event statistics for the given time range.
+     */
+    @GetMapping("/stats")
+    public SystemEventStats getSystemEventStats(
+            @RequestParam String filterAttributeName,
+            @RequestParam String filterAttributeValue,
+            @RequestParam long fromTime,
+            @RequestParam long toTime) {
+        SystemEventStats ret = systemEventDatastore.getSystemEventStats(filterAttributeName, filterAttributeValue, fromTime, toTime);
+        LOG.debug("getSystemEventStats({},{},{},{})  {}", filterAttributeName, filterAttributeName, fromTime, toTime, ret);
+        return ret;
+    }
+
 }

system-event-service/src/main/resources/system-event-service-openapi.yaml

@@ -679,8 +679,7 @@ components:
         clientMacAddress:
           $ref: '#/components/schemas/MacAddress'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         customerId:
           type: integer
           format: int32
@@ -776,8 +775,7 @@ components:
         allOf:
           $ref: '#/components/schemas/RealTimeEvent'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         ssid:
           type: string
         clientMacAddress:
@@ -808,8 +806,7 @@ components:
         clientMacAddress:
           $ref: '#/components/schemas/MacAddress'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         radioType:
           $ref: '#/components/schemas/RadioType'        
         isReassociation:
@@ -861,8 +858,7 @@ components:
         allOf:
           $ref: '#/components/schemas/RealTimeEvent'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         ssid:
           type: string
         clientMacAddress:
@@ -877,8 +873,7 @@ components:
         allOf:
           $ref: '#/components/schemas/RealTimeEvent'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         macAddressBytes:
           type: array
           items:
@@ -901,8 +896,7 @@ components:
         allOf:
           $ref: '#/components/schemas/RealTimeEvent'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         clientMacAddress:
           $ref: '#/components/schemas/MacAddress'
         lastRecvTime:
@@ -919,8 +913,7 @@ components:
         allOf:
           $ref: '#/components/schemas/RealTimeEvent'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         ssid:
           type: string
         clientMacAddress:
@@ -951,8 +944,7 @@ components:
         allOf:
           $ref: '#/components/schemas/RealTimeEvent'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         ssid:
           type: string
         clientMacAddress:
@@ -988,8 +980,7 @@ components:
         allOf:
           $ref: '#/components/schemas/RealTimeEvent'
         sessionId:
-          type: integer
-          format: int64
+          type: string
         clientMacAddress:
           $ref: '#/components/schemas/MacAddress'          
         firstDataRcvdTs:
@@ -1004,8 +995,7 @@ components:
         allOf:
           $ref: '#/components/schemas/RealTimeEvent'   
         sessionId:
-          type: integer
-          format: int64
+          type: string
         clientMacAddress:
           $ref: '#/components/schemas/MacAddress'  
         ipAddr:
@@ -1078,8 +1068,7 @@ components:
           type: integer
           format: int64
         associationId:
-          type: integer
-          format: int64
+          type: string
         clientMacAddress:
           $ref: '#/components/schemas/MacAddress'  
         radioType:
@@ -1121,8 +1110,7 @@ components:
           type: integer
           format: int64
         associationId:
-          type: integer
-          format: int64
+          type: string
         macAddress:
           $ref: '#/components/schemas/MacAddress'  
         radioType:
@@ -1164,8 +1152,7 @@ components:
           type: integer
           format: int64
         sessionId:
-          type: integer
-          format: int64
+          type: string
         clientMac:
           $ref: '#/components/schemas/MacAddress'
         serverIp:
@@ -1184,8 +1171,7 @@ components:
           type: integer
           format: int64
         sessionId:
-          type: integer
-          format: int64
+          type: string
         clientMac:
           $ref: '#/components/schemas/MacAddress'
         serverIp:
@@ -1202,8 +1188,7 @@ components:
           type: integer
           format: int64
         sessionId:
-          type: integer
-          format: int64
+          type: string
         clientMac:
           $ref: '#/components/schemas/MacAddress'
         serverIp:
@@ -1569,8 +1554,7 @@ components:
       type: object
       properties:
         sessionId:
-          type: integer
-          format: int64
+          type: string
         authTimestamp:
           type: integer
           format: int64