SNMP

nbproject/project.properties

@@ -41,6 +41,8 @@ file.reference.apache-commons-logging-1.2.jar=lib\\apache-commons-logging-1.2.ja
 file.reference.apache-commons-text-1.10.0.jar=lib\\apache-commons-text-1.10.0.jar
 file.reference.mysql-connector-java-8.0.15.jar=lib\\mysql-connector-java-8.0.15.jar
 file.reference.netty-all-4.1.68.Final.jar=lib\\netty-all-4.1.68.Final.jar
+file.reference.snmp4j-3.8.2.jar=lib\\snmp4j-3.8.2.jar
+file.reference.spring-security-crypto-5.8.0.jar=lib\\spring-security-crypto-5.8.0.jar
 includes=**
 jar.compress=false
 javac.classpath=\
@@ -50,7 +52,9 @@ javac.classpath=\
     ${file.reference.apache-commons-logging-1.2.jar}:\
     ${file.reference.apache-commons-text-1.10.0.jar}:\
     ${file.reference.mysql-connector-java-8.0.15.jar}:\
-    ${file.reference.netty-all-4.1.68.Final.jar}
+    ${file.reference.netty-all-4.1.68.Final.jar}:\
+    ${file.reference.spring-security-crypto-5.8.0.jar}:\
+    ${file.reference.snmp4j-3.8.2.jar}
 # Space-separated list of extra javac options
 javac.compilerargs=
 javac.deprecation=false

src/jnet/server/Server.java

@@ -4,6 +4,8 @@ import java.io.File;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 import jnet.lib.BuilddDate;
 import jnet.lib.LogFile;
 import jnet.lib.LogWindow;
@@ -11,12 +13,12 @@ import jnet.lib.OSValidator;
 import jnet.lib.PropertiesManager;
 import jnet.lib.object.Event;
 import jnet.lib.object.Map;
-import jnet.lib.object.MapObject;
 import jnet.lib.object.ObjectType;
 import jnet.lib.object.OnlineClients;
 import jnet.lib.object.SnmpProbe;
 import jnet.lib.object.SnmpProfile;
 import jnet.lib.object.User;
+import jnet.lib.snmp.SNMPTrafficMonitor;
 import jnet.server.network.NettyServer;
 import jnet.server.probe.NettyPing;
 
@@ -28,10 +30,8 @@ public class Server {
     // minimální verze klienta
     public static final int MINIMAL_CLIENT_VERSION = 1;
 
-
     public static PropertiesManager config;
     public static List<Map> maps = new ArrayList<>();
-    //public static ArrayList<MapObject> mapObject= new ArrayList<>();
     public static List<OnlineClients> onlineClients = new ArrayList<>();
     public static List<ObjectType> objectType = new ArrayList<>();
     public static List<SnmpProfile> snmpProfile = new ArrayList<>();
@@ -41,13 +41,27 @@ public class Server {
 
     public static void main(String[] args) {
 
+//        // Zde můžete zadat index rozhraní, které chcete monitorovat (např. 1 pro eth0)
+//        int interfaceIndex = 1;
+//
+//        // Vytvoření instance monitoru pro zadaný index rozhraní
+//        try {
+//            SNMPTrafficMonitor monitor = new SNMPTrafficMonitor("10.0.0.16", "161", "public", 0);
+//            monitor.startMonitoring(interfaceIndex);
+//
+//            // Po 60 sekundách zastavíme monitoring
+//            Thread.sleep(60000);  // Monitoring běží 60 sekund
+//            monitor.stopMonitoring();
+//            monitor.stop();
+//        } catch (Exception ex) {
+//            Logger.getLogger(Server.class.getName()).log(Level.SEVERE, null, ex);
+//        }
+
         // pokud je hostitelsky system windows otevre logovaci okno
         if (OSValidator.isWindows()) {
             new LogWindow();
         }
 
-        
-        
         LogFile.clear();
         LogFile.setDebug(false);
         LogFile.printInfo("---------------------------------------------");
@@ -56,7 +70,6 @@ public class Server {
         LogFile.printInfo("---------------------------------------------");
         LogFile.printInfo("");
 
-
         ///
         /// nahrani konfigurace
         ///
@@ -71,8 +84,6 @@ public class Server {
             System.exit(0);
         }
 
-        
-        
         ///
         /// debug rezim ?
         ///
@@ -112,13 +123,10 @@ public class Server {
 //        LogFile.printInfo("Loading SNMP template ...");
 //        snmpProbe = Database.getSnmpProbe();
 //        LogFile.printInfo("    load " + snmpProbe.size() + " template(s)");
-        
         LogFile.printInfo("Loading events ...");
         events = Database.getEvents();
         LogFile.printInfo("    load " + events.size() + " event(s)");
 
-        
-
         ///
         /// spusteni serveru
         ///
@@ -137,7 +145,7 @@ public class Server {
 //        p2.start();
 
           NettyPing np = new NettyPing();
-          np.start();
+        np.start();
 
     }
 

src/jnet/server/ServerMessageParser.java

@@ -4,9 +4,11 @@ import io.netty.channel.Channel;
 import io.netty.channel.group.ChannelGroup;
 import io.netty.channel.group.DefaultChannelGroup;
 import io.netty.util.concurrent.GlobalEventExecutor;
+import java.io.IOException;
 import java.lang.management.ManagementFactory;
 import java.net.InetSocketAddress;
 import java.util.HashMap;
+import java.util.List;
 import java.util.ListIterator;
 import java.util.function.Consumer;
 import jnet.lib.LogFile;
@@ -20,6 +22,10 @@ import jnet.lib.object.OnlineClients;
 import jnet.lib.object.ServerConfig;
 import jnet.lib.object.SnmpProfile;
 import jnet.lib.object.User;
+import jnet.lib.snmp.DeviceInfo;
+import jnet.lib.snmp.Interface;
+import jnet.lib.snmp.SNMPDeviceInfo;
+import jnet.lib.snmp.SNMPInterfaceScanner;
 
 public class ServerMessageParser {
 
@@ -50,6 +56,7 @@ public class ServerMessageParser {
         handlers.put(Message.USER_EDIT, this::handleUserEdit);
         handlers.put(Message.SERVER_CONFIG, this::handleServerConfig);
         handlers.put(Message.SNMP_OBJECT_INFO, this::handleSnmpObjectInfo);
+        handlers.put(Message.SNMP_OBJECT_INTERFACE, this::handleSnmpObjectInterface);
     }
 
     public void parse(Message msg) {
@@ -341,8 +348,52 @@ public class ServerMessageParser {
     private void handleSnmpObjectInfo(Message msg) {
         Object[] msg_object = (Object[]) msg.getMsg();
         String frameName = (String) msg_object[0];
-        int objId = (int) msg_object[1];
+        MapObject obj = (MapObject) msg_object[1];
+        Thread t1 = new Thread() {
+            @Override
+            public void run() {
+                try {
+                    for (SnmpProfile snmpProfile : Server.snmpProfile) {
+                        if (snmpProfile.getId() == obj.getSnmpProfile()) {
+                            SNMPDeviceInfo snmp = new SNMPDeviceInfo(obj.getIp(), snmpProfile.getPort(), snmpProfile.getCommunityRead(), snmpProfile.getVersion());
+                            DeviceInfo di = snmp.getDeviceInfo();
+                            Object[] o = {frameName, di};
+                            send(Message.SNMP_OBJECT_INFO, o);
+                            break;
+                        }
+                    }
 
+                } catch (IOException e) {
+                    LogFile.printErr("SNMP error: " + e.getMessage());
+                }
+            }
+        };
+        t1.start();
+    }
+
+    private void handleSnmpObjectInterface(Message msg) {
+        Object[] msg_object = (Object[]) msg.getMsg();
+        String frameName = (String) msg_object[0];
+        MapObject obj = (MapObject) msg_object[1];
+        Thread t1 = new Thread() {
+            @Override
+            public void run() {
+                try {
+                    for (SnmpProfile snmpProfile : Server.snmpProfile) {
+                        if (snmpProfile.getId() == obj.getSnmpProfile()) {
+                            SNMPInterfaceScanner snmp = new SNMPInterfaceScanner(obj.getIp(), snmpProfile.getPort(), snmpProfile.getCommunityRead(), snmpProfile.getVersion());
+                            List<Interface> list = snmp.scanInterfaces();
+                            Object[] o = {frameName, list};
+                            send(Message.SNMP_OBJECT_INTERFACE, o);
+                            break;
+                        }
+                    }
+                } catch (Exception ex) {
+                    LogFile.printErr("SNMP error: " + ex.getMessage());
+                }
+            }
+        };
+        t1.start();
     }
 
     /**
@@ -350,7 +401,6 @@ public class ServerMessageParser {
      *
      * @param message
      */
-
     public void send(Message message) {
         currentClient.writeAndFlush(message);
         LogFile.printDebug("<- Message type: " + message.getType());