upravy a editovani connection

uprava parsovani vysledku

build.xml

@@ -70,4 +70,14 @@
     nbproject/build-impl.xml file. 
 
     -->
+    <target name="-post-compile">
+        <copy todir="${build.classes.dir}">
+            <fileset dir="resources"/>
+        </copy>
+    </target>
+    <target name="-post-jar">
+        <copy todir="${dist.jar.dir}">
+            <fileset dir="resources"/>
+        </copy>
+    </target>
 </project>

log.log

@@ -1,60 +1,34 @@
-13.02.25 18:7:16	I	---------------------------------------------
+15.02.25 20:20:50	I	---------------------------------------------
-13.02.25 18:7:16	I	                jNet Server            
+15.02.25 20:20:50	I	                jNet Server            
-13.02.25 18:7:16	I	 Version: 1 (Thu Feb 13 09:04:35 CET 2025)
+15.02.25 20:20:50	I	 Version: 1 (Sat Feb 15 20:20:50 CET 2025)
-13.02.25 18:7:16	I	---------------------------------------------
+15.02.25 20:20:50	I	---------------------------------------------
-13.02.25 18:7:16	I	
+15.02.25 20:20:50	I	
-13.02.25 18:7:16	I	Loading config ...
+15.02.25 20:20:50	I	Loading config ...
-13.02.25 18:7:16	I	     successfully
+15.02.25 20:20:50	I	     successfully
-13.02.25 18:7:16	D	Debug mode on
+15.02.25 20:20:50	D	Debug mode on
-13.02.25 18:7:16	I	Connecting to a selected database ...
+15.02.25 20:20:50	I	Connecting to a selected database ...
-13.02.25 18:7:16	I	 successfully
+15.02.25 20:20:51	I	 successfully
-13.02.25 18:7:16	I	Loading user list ...
+15.02.25 20:20:51	I	Loading user list ...
-13.02.25 18:7:16	I	    load 2 user(s)
+15.02.25 20:20:51	I	    load 2 user(s)
-13.02.25 18:7:16	I	Loading map list ...
+15.02.25 20:20:51	I	Loading map list ...
-13.02.25 18:7:16	I	    load 6 map(s)
+15.02.25 20:20:51	I	    load 6 map(s)
-13.02.25 18:7:16	I	Loading object list ...
+15.02.25 20:20:51	I	Loading object type ...
-13.02.25 18:7:17	I	    load 8 object(s)
+15.02.25 20:20:51	I	    load 13 type(s)
-13.02.25 18:7:17	I	Loading object type ...
+15.02.25 20:20:51	I	Loading SNMP profile ...
-13.02.25 18:7:17	I	    load 12 type(s)
+15.02.25 20:20:51	I	    load 2 profile(s)
-13.02.25 18:7:17	I	Loading SNMP profile ...
+15.02.25 20:20:51	I	Loading events ...
-13.02.25 18:7:17	I	    load 2 profile(s)
+15.02.25 20:20:51	I	    load 75 event(s)
-13.02.25 18:7:17	I	Loading events ...
+15.02.25 20:20:51	I	Ping probe start
-13.02.25 18:7:17	I	    load 30 event(s)
+15.02.25 20:20:51	I	Pridan host: 10.0.0.54
-13.02.25 18:7:17	I	Ping probe start
+15.02.25 20:20:51	I	Pridan host: 10.0.0.16
-13.02.25 18:7:17	I	Server is ready and listening on port 1225
+15.02.25 20:20:51	I	Pridan host: 10.0.0.3
-13.02.25 18:7:49	D	-> Message type: 1
+15.02.25 20:20:51	I	Pridan host: 10.0.0.147
-13.02.25 18:7:49	I	Authorization request send (kubernetes.docker.internal)
+15.02.25 20:20:51	I	Pridan host: 10.5.5.71
-13.02.25 18:7:49	D	<- Message type: 3
+15.02.25 20:20:51	I	Pridan host: 10.0.0.78
-13.02.25 18:7:49	D	-> Message type: 4
+15.02.25 20:20:51	I	Pridan host: 10.0.0.17
-13.02.25 18:7:49	I	User: michal logged in (kubernetes.docker.internal)
+15.02.25 20:20:51	I	Pridan host: 10.5.5.70
-13.02.25 18:7:49	D	<- Message type: 5
+15.02.25 20:20:51	I	Pridan host: 10.0.0.5
-13.02.25 18:7:49	D	<- Message type: 9
+15.02.25 20:20:51	I	Pridan host: 10.10.0.1
-13.02.25 18:7:49	D	<- For all. Message type: 7
+15.02.25 20:20:51	I	Pridan host: 10.0.0.207
-13.02.25 18:7:49	D	<- Message type: 13
+15.02.25 20:20:51	I	Pridan host: 10.0.0.10
-13.02.25 18:7:49	D	<- Message type: 8
+15.02.25 20:20:51	I	Server is ready and listening on port 1225
-13.02.25 18:7:49	D	<- Message type: 8
-13.02.25 18:7:49	D	<- Message type: 8
-13.02.25 18:7:49	D	<- Message type: 8
-13.02.25 18:7:49	D	<- Message type: 8
-13.02.25 18:7:49	D	<- Message type: 8
-13.02.25 18:7:49	D	<- Message type: 8
-13.02.25 18:7:49	D	<- Message type: 8
-13.02.25 18:7:49	D	<- Message type: 8
-13.02.25 18:7:49	D	<- Message type: 8
-13.02.25 18:7:49	D	<- Message type: 8
-13.02.25 18:7:49	D	<- Message type: 8
-13.02.25 18:7:49	D	<- Message type: 11
-13.02.25 18:7:49	D	<- Message type: 11
-13.02.25 18:7:49	D	<- Message type: 100
-13.02.25 18:7:49	D	<- Message type: 100
-13.02.25 18:7:49	D	<- Message type: 100
-13.02.25 18:7:49	D	<- Message type: 100
-13.02.25 18:7:49	D	<- Message type: 100
-13.02.25 18:7:49	D	<- Message type: 100
-13.02.25 18:7:49	D	<- Message type: 14
-13.02.25 18:7:49	D	<- Message type: 110
-13.02.25 18:7:49	D	<- Message type: 107
-13.02.25 18:7:49	D	<- Message type: 107
-13.02.25 18:8:31	D	-> Message type: 105
-13.02.25 18:8:31	D	<- For all. Message type: 105
-13.02.25 18:8:31	D	<- For all. Message type: 108

nbproject/project.properties

@@ -35,30 +35,26 @@ dist.jlink.dir=${dist.dir}/jlink
 dist.jlink.output=${dist.jlink.dir}/jNetServer
 endorsed.classpath=
 excludes=
-file.reference.apache-commons-configuration2-2.9.0.jar=C:\\Users\\cucky\\Documents\\NetBeansProjects\\jar_files\\apache-commons-configuration2-2.9.0.jar
+file.reference.apache-commons-configuration2-2.9.0.jar=lib\\apache-commons-configuration2-2.9.0.jar
-file.reference.apache-commons-lang3-3.12.0.jar=C:\\Users\\cucky\\Documents\\NetBeansProjects\\jar_files\\apache-commons-lang3-3.12.0.jar
+file.reference.apache-commons-lang3-3.12.0.jar=lib\\apache-commons-lang3-3.12.0.jar
-file.reference.apache-commons-logging-1.2.jar=C:\\Users\\cucky\\Documents\\NetBeansProjects\\jar_files\\apache-commons-logging-1.2.jar
+file.reference.apache-commons-logging-1.2.jar=lib\\apache-commons-logging-1.2.jar
-file.reference.apache-commons-text-1.10.0.jar=C:\\Users\\cucky\\Documents\\NetBeansProjects\\jar_files\\apache-commons-text-1.10.0.jar
+file.reference.apache-commons-text-1.10.0.jar=lib\\apache-commons-text-1.10.0.jar
-file.reference.icmp4j-all.jar=C:\\Users\\cucky\\Documents\\NetBeansProjects\\jar_files\\icmp4j-all.jar
+file.reference.mysql-connector-java-8.0.15.jar=lib\\mysql-connector-java-8.0.15.jar
-file.reference.jna-5.3.1.jar=C:\\Users\\cucky\\Documents\\NetBeansProjects\\jar_files\\jna-5.3.1.jar
+file.reference.netty-all-4.1.68.Final.jar=lib\\netty-all-4.1.68.Final.jar
-file.reference.jna-platform-5.9.0.jar=C:\\Users\\cucky\\Documents\\NetBeansProjects\\jar_files\\jna-platform-5.9.0.jar
+file.reference.snmp4j-3.8.2.jar=lib\\snmp4j-3.8.2.jar
-file.reference.mysql-connector-java-8.0.15.jar=C:\\Users\\cucky\\Documents\\NetBeansProjects\\jar_files\\mysql-connector-java-8.0.15.jar
+file.reference.spring-security-crypto-5.8.0.jar=lib\\spring-security-crypto-5.8.0.jar
-file.reference.netty-all-4.1.68.Final.jar=C:\\Users\\cucky\\Documents\\NetBeansProjects\\jar_files\\netty-all-4.1.68.Final.jar
-file.reference.spring-security-crypto-5.8.0.jar=C:\\Users\\cucky\\Documents\\NetBeansProjects\\jar_files\\spring-security-crypto-5.8.0.jar
 includes=**
 jar.compress=false
 javac.classpath=\
-    ${file.reference.mysql-connector-java-8.0.15.jar}:\
     ${reference.jNetLib.jar}:\
+    ${file.reference.apache-commons-configuration2-2.9.0.jar}:\
     ${file.reference.apache-commons-lang3-3.12.0.jar}:\
-    ${file.reference.netty-all-4.1.68.Final.jar}:\
-    ${file.reference.icmp4j-all.jar}:\
     ${file.reference.apache-commons-logging-1.2.jar}:\
     ${file.reference.apache-commons-text-1.10.0.jar}:\
-    ${file.reference.jna-5.3.1.jar}:\
+    ${file.reference.mysql-connector-java-8.0.15.jar}:\
-    ${file.reference.jna-platform-5.9.0.jar}:\
+    ${file.reference.netty-all-4.1.68.Final.jar}:\
     ${file.reference.spring-security-crypto-5.8.0.jar}:\
-    ${file.reference.apache-commons-configuration2-2.9.0.jar}
+    ${file.reference.snmp4j-3.8.2.jar}
 # Space-separated list of extra javac options
 javac.compilerargs=
 javac.deprecation=false

src/jnet/server/Database.java

@@ -164,7 +164,10 @@ public class Database {
                 Map m = new Map(
                         rs.getInt("id"),
                         rs.getString("name"),
-                        rs.getBoolean("locked"));
+                        rs.getBoolean("locked"),
+                        getMapObject(rs.getInt("id")),
+                        getMapConnection(rs.getInt("id"))
+                );
                 list.add(m);
             }
             rs.close();
@@ -225,6 +228,38 @@ public class Database {
         return list;
     }
     
+    /**
+     *  vráti seznam cpojeni v dane mape
+     * @param mapId
+     * @return 
+     */
+    public static ArrayList<jnet.lib.object.Connection> getMapConnection(int mapId) {
+        ArrayList<jnet.lib.object.Connection> list = new ArrayList<>();
+        String sql = "SELECT * FROM objectConnection WHERE map = " + mapId;
+        try {
+            Statement statement = getCurrentConnection().createStatement();
+            ResultSet r = statement.executeQuery(sql);
+            while (r.next()) {
+                int objId = r.getInt("id");
+                list.add(new jnet.lib.object.Connection(
+                        objId, 
+                        r.getInt("sourceObject"), 
+                        r.getInt("destinationObject"), 
+                        r.getInt("type"), 
+                        r.getInt("map"),
+                        r.getBoolean("readTraffic"),
+                        r.getInt("sourceTraffic"),
+                        r.getInt("sourceInterface")
+                ));
+            }
+            r.close();
+            statement.close();
+        } catch (SQLException ex) {
+            LogFile.printErr("MySQL exception: " + ex.getMessage() + "query: " + sql);
+        }
+        return list;
+    }
+    
     /**
      * vrati seznam objektu
      *
@@ -506,6 +541,33 @@ public class Database {
         mo.setId(insert(query));
         return mo;
     }
+    
+    /**
+     * prida nove propojeni mezi objekty
+     * @param c
+     * @return 
+     */
+    public static jnet.lib.object.Connection addConnection(jnet.lib.object.Connection c){
+        String query = "INSERT INTO objectConnection ("
+                + "sourceObject,"
+                + "destinationObject,"
+                + "objectConnection.type,"
+                + "map,"
+                + "readTraffic,"
+                + "sourceTraffic,"
+                + "sourceInterface"
+                + ") VALUES ("
+                + "'" + c.getSourceObj() + "',"
+                + "'" + c.getDestinationObj() + "',"
+                + "'" + c.getType() + "',"
+                + "'" + c.getMap() + "',"
+                + "'" + (c.isReadTraffic() ? "1" : "0") + "',"
+                + "'" + c.getTrafficObject() + "',"
+                + "'" + c.getTrafficIface() + "'"
+                + ")";
+        c.setId(insert(query));
+        return c;
+    }
 
     /**
      * nastaví stav zámku mapy
@@ -513,7 +575,7 @@ public class Database {
      * @param state stav
      * @param map map id
      */
-    static void mapLock(int state, int map) {
+    public static void mapLock(int state, int map) {
         update("UPDATE maps SET locked='" + state + "' WHERE  id=" + map);
     }
 
@@ -706,4 +768,13 @@ public class Database {
         }
     }
     
+    public static void editConnection(jnet.lib.object.Connection c) {
+        String sql = "UPDATE objectConnection SET "
+                + "type='" + c.getType() + "',"
+                + "readTraffic='" + (c.isReadTraffic() ? 1:0) + "',"
+                + "sourceTraffic='" + c.getTrafficObject() + "',"
+                + "sourceInterface='" + c.getTrafficIface() + "' "
+                + "WHERE id='" + c.getId() + "'";
+        update(sql);
+    }
 }

src/jnet/server/Server.java

@@ -11,7 +11,6 @@ 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;
@@ -19,35 +18,49 @@ import jnet.lib.object.SnmpProfile;
 import jnet.lib.object.User;
 import jnet.server.network.NettyServer;
 import jnet.server.probe.NettyPing;
+import jnet.server.probe.TrafficProbe;
 
 public class Server {
-    
+
     // verze serveru
     public static final int SERVER_VERSION = 1;
 
     // 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 ArrayList<OnlineClients> onlineClients = new ArrayList<>();
+    public static List<ObjectType> objectType = new ArrayList<>();
-    public static ArrayList<ObjectType> objectType = new ArrayList<>();
+    public static List<SnmpProfile> snmpProfile = new ArrayList<>();
-    public static ArrayList<SnmpProfile> snmpProfile = new ArrayList<>();
+    public static List<SnmpProbe> snmpProbe = new ArrayList<>();
-    public static ArrayList<SnmpProbe> snmpProbe = new ArrayList<>();
+    public static List<User> users = new ArrayList<>();
-    public static ArrayList<User> users = new ArrayList<>();
+    public static List<Event> events = new ArrayList<>();
-    public static ArrayList<Event> events = new ArrayList<>();
+
-    
     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("---------------------------------------------");
@@ -55,7 +68,6 @@ public class Server {
         LogFile.printInfo(" Version: " + SERVER_VERSION + " (" + BuilddDate.get() + ")");
         LogFile.printInfo("---------------------------------------------");
         LogFile.printInfo("");
-        
 
         ///
         /// nahrani konfigurace
@@ -70,9 +82,7 @@ public class Server {
             LogFile.printErr("     fail. " + ex.getMessage());
             System.exit(0);
         }
-            
+
-        
-        
         ///
         /// debug rezim ?
         ///
@@ -80,7 +90,7 @@ public class Server {
             LogFile.setDebug(true);
             LogFile.printDebug("Debug mode on");
         }
-        
+
         ///
         /// pripojeni k databazi
         ///
@@ -89,46 +99,39 @@ public class Server {
                 config.getString("mysql_database"),
                 config.getString("mysql_user"),
                 config.getString("mysql_password"));
-        
+
         ///
         /// konfigurace z databaze
         ///
         LogFile.printInfo("Loading user list ...");
         users = Database.getUsers();
         LogFile.printInfo("    load " + users.size() + " user(s)");
-        
+
         LogFile.printInfo("Loading map list ...");
         maps = Database.getMapList();
         LogFile.printInfo("    load " + maps.size() + " map(s)");
-        
+
-        LogFile.printInfo("Loading object list ...");
-        mapObject = Database.getAllMapObject();
-        LogFile.printInfo("    load " + mapObject.size() + " object(s)");
-        
         LogFile.printInfo("Loading object type ...");
         objectType = Database.getObjectType();
         LogFile.printInfo("    load " + objectType.size() + " type(s)");
-        
+
         LogFile.printInfo("Loading SNMP profile ...");
         snmpProfile = Database.getSnmpProfile();
         LogFile.printInfo("    load " + snmpProfile.size() + " profile(s)");
-        
+
 //        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
         ///
         NettyServer nettyserver = new NettyServer(config.getInt("server_port"));
         nettyserver.start();
-        
+
         ///
         /// spusteni ping probe 
         ///
@@ -141,10 +144,13 @@ public class Server {
 //        p2.start();
 
           NettyPing np = new NettyPing();
-          np.start();
+        np.start();
+        
+        TrafficProbe t = new TrafficProbe();
+        t.start();
 
     }
-    
+
     public static void restartServer() {
         new Thread(() -> {
             try {

src/jnet/server/ServerMessageParser.java

@@ -4,12 +4,17 @@ 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;
 import jnet.lib.Message;
 import jnet.lib.PasswordHashing;
+import jnet.lib.object.Connection;
 import jnet.lib.object.Event;
 import jnet.lib.object.Map;
 import jnet.lib.object.MapObject;
@@ -18,6 +23,11 @@ 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;
+import jnet.lib.snmp.SNMPTester;
 
 public class ServerMessageParser {
 
@@ -25,282 +35,455 @@ public class ServerMessageParser {
     private static final ChannelGroup channels = new DefaultChannelGroup(
             "containers", GlobalEventExecutor.INSTANCE);
 
+    private static final java.util.Map<Integer, Consumer<Message>> handlers = new HashMap<>();
+
     public ServerMessageParser(Channel currentClient) {
         this.currentClient = currentClient;
+
+        // Inicializace mapy typu zprávy na odpovídající metody
+        handlers.put(Message.CLIENT_VERSION, this::handleClientVersion);
+        handlers.put(Message.AUTH, this::handleAuth);
+        handlers.put(Message.RESTART, this::handleRestart);
+        handlers.put(Message.UPTIME, this::handleUptime);
+        handlers.put(Message.NEW_OBJECT_TYPE, this::handleNewObjectType);
+        handlers.put(Message.SET_MAP_LOCK, this::handleSetMapLock);
+        handlers.put(Message.ADD_OBJECT, this::handleAddObject);
+        handlers.put(Message.REMOVE_OBJECT, this::handleRemoveObject);
+        handlers.put(Message.MAP_REMOVE, this::handleMapRemove);
+        handlers.put(Message.MAP_ADD, this::handleMapAdd);
+        handlers.put(Message.OBJECT_MOVE, this::handleObjectMove);
+        handlers.put(Message.UPDATE_OBJECT, this::handleUpdateObject);
+        handlers.put(Message.DELETE_LOG, this::handleDeleteLog);
+        handlers.put(Message.USER, this::handleUser);
+        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);
+        handlers.put(Message.SNMP_TEST, this::handleSnmpTest);
+        handlers.put(Message.SNMP_CONNECTION_INTERFACE, this::handleSnmpConnectionInterface);
+        handlers.put(Message.CONNECTION_NEW, this::handlerConnectionNew);
+        handlers.put(Message.CONNECTION_UPDATE, this::handlerConnectionUpdate);
     }
 
     public void parse(Message msg) {
-
         LogFile.printDebug("-> Message type: " + msg.getType());
 
-        ListIterator<Map> iteratorMap = Server.maps.listIterator();
+        Consumer<Message> handler = handlers.get(msg.getType());
-        ListIterator<MapObject> iteratorMapObject = Server.mapObject.listIterator();
+        if (handler != null) {
-
+            handler.accept(msg);
-        switch (msg.getType()) {
+        } else {
-
+            LogFile.printErr("Neznamy typ zpravy");
-            case Message.CLIENT_VERSION:
-                int client_version = (int) msg.getMsg();
-                if (client_version < Server.MINIMAL_CLIENT_VERSION) {
-                    LogFile.printInfo("Outdated client. Sent update request (" + ((InetSocketAddress) currentClient.remoteAddress()).getHostName() + ")");
-                    send(new Message(Message.UPDATE, null));
-                } else {
-                    LogFile.printInfo("Authorization request send (" + ((InetSocketAddress) currentClient.remoteAddress()).getHostName() + ")");
-                    // oodeslat pozadavek na autorizacni udaje
-                    send(new Message(Message.AUTH_REQUEST, null));
-                }
-                break;
-
-            case Message.AUTH:
-                String[] userData = (String[]) msg.getMsg();
-                String username = userData[0];
-                String password = userData[1];
-                int platform = Integer.parseInt(userData[2]);
-
-                User u = Database.getUserInfo(username);
-                
-                if (PasswordHashing.verify(password, u.getPassword())) {
-                    LogFile.printInfo("User: " + username + " logged in (" + ((InetSocketAddress) currentClient.remoteAddress()).getAddress().getHostName() + ")");
-                    // odeslat informaci uzivateli o jeho uspesnem prihlaseni
-                    send(new Message(Message.AUTH_SUCEFULL, null));
-                    // pridani uzivatele mezi pripojene kanaly 
-                    channels.add(currentClient);
-                    // vložit uživatele na seznam online uživatelů
-                    InetSocketAddress socketAddress = (InetSocketAddress) currentClient.remoteAddress();
-                    String clientIp = socketAddress.getAddress().getHostAddress();
-                    String clientPort = String.valueOf(socketAddress.getPort());
-                    Server.onlineClients.add(new OnlineClients(
-                            String.valueOf(u.getId()),
-                            u.getUsername(),
-                            clientIp,
-                            clientPort,
-                            platform));
-                    // odeslat informace o prihlasenem uzivateli, opravneni atd 
-                    send(new Message(Message.USER_INFO, u));
-                    // odeslat vsem nový seznam pripojenych klientu
-                    sendAll(new Message(Message.ONLINE_CLIENTS, Server.onlineClients));
-                    // odeslat nastaveni serveru 
-                    ServerConfig sc = new ServerConfig(
-                            Server.config.getInt("ping_repeat"),
-                            Server.config.getInt("ping_attempt"),
-                            Server.config.getInt("ping_timeout"),
-                            Server.config.getInt("instability_attempt"),
-                            Server.config.getInt("instability_limit"));
-                    send(new Message(Message.SERVER_CONFIG, sc));
-                    // odeslat typy objektu
-                    for (ObjectType ot : Server.objectType) {
-                        send(new Message(Message.OBJECT_TYPE, ot));
-                    }
-                    // odesila seznam uzivatelu
-                    for (User us : Server.users) {
-                        send(new Message(Message.USER, us));
-                    }
-                    // odeslat seznam map
-                    for (Map i : Server.maps) {
-                        send(new Message(Message.MAP, i));
-                    }
-                    // odeslat seznam objektu
-                    send(Message.OBJECT_LIST, Server.mapObject);
-                    // odeslat seznam udalosti
-                    send(new Message(Message.EVENT_LIST, Server.events));
-                    // odeslat seznam snmp profilů
-                    for (SnmpProfile i : Server.snmpProfile) {
-                        send(new Message(Message.SNMP_PROFILE, i));
-                    }
-
-                } else {
-                    LogFile.printInfo("Authorization failed (ser: " + username + " )");
-                }
-                break;
-                
-            case Message.RESTART:
-                LogFile.printInfo("Prijat pozadavek na restart serveru");
-                Server.restartServer();
-                break;
-                
-            case Message.UPTIME:
-                long uptime = ManagementFactory.getRuntimeMXBean().getUptime();
-                send(Message.UPTIME, uptime);
-                break;
-
-            case Message.NEW_OBJECT_TYPE:
-                ObjectType not = (ObjectType) msg.getMsg();
-                int id = Database.addObjectType(not);
-                not.setId(id);
-                Server.objectType.add(not);
-                sendAll(new Message(Message.OBJECT_TYPE, not));
-                break;
-
-            case Message.SET_MAP_LOCK:
-                int[] data_lock = (int[]) msg.getMsg();
-                while (iteratorMap.hasNext()) {
-                    Map map = iteratorMap.next();
-                    if (map.getId() == data_lock[0]) {
-                        map.setLock((data_lock[1] == 1));
-                        break;
-                    }
-                }
-                // upravit informaci  v databazi
-                Database.mapLock(data_lock[1], data_lock[0]);
-                // odeslani informace ostatnim 
-                sendAll(new Message(Message.SET_MAP_LOCK, data_lock));
-                break;
-
-            case Message.ADD_OBJECT:
-                MapObject mo = Database.addMapObject((MapObject) msg.getMsg());
-                // pridat do seznamu
-                Server.mapObject.add(mo);
-                // odesle všem novy objekt
-                sendAll(new Message(Message.ADD_OBJECT, mo));
-                // prida event a odesle ho
-                Event event = Database.addEvent(mo.getId(), "Přidáno", Event.TYPE_INFO);
-                sendAll(new Message(Message.EVENT_NEW, event));
-                // pokud je object vypnuty prida log 
-                if (!mo.isActive()) {
-                    Event event_disable = Database.addEvent(mo.getId(), "Ping vypnut", Event.TYPE_PING_OFF);
-                    sendAll(new Message(Message.EVENT_NEW, event_disable));
-                }
-                break;
-
-            case Message.REMOVE_OBJECT:
-                while (iteratorMapObject.hasNext()) {
-                    MapObject obj = iteratorMapObject.next();
-                    if (obj.getId() == (int) msg.getMsg()) {
-                        // odebere z databaze
-                        Database.removeObject(obj.getId());
-                        // odesle informaci o odebrani objektu klientum
-                        sendAll(new Message(Message.REMOVE_OBJECT, obj.getId()));
-                        // odebere ze seznamu
-                        iteratorMapObject.remove();
-                        break;
-                    }
-                }
-                break;
-
-            case Message.MAP_REMOVE:
-                while (iteratorMap.hasNext()) {
-                    Map map = iteratorMap.next();
-                    if (map.getId() == (int) msg.getMsg()) {
-                        // odebere z databaze
-                        Database.removeMap(map.getId());
-                        // odesle informaci o odebrani objektu klientum
-                        sendAll(new Message(Message.MAP_REMOVE, map.getId()));
-                        // odebere ze seznamu
-                        iteratorMap.remove();
-                        break;
-                    }
-                }
-                break;
-
-            case Message.MAP_ADD:
-                Map map = new Map((String) msg.getMsg());
-                // přidání mapy do databaze
-                map.setId(Database.addMap(map.getName()));
-                //odeslání mapy klientum
-                send(new Message(Message.MAP, map));
-                // pridani mapy do seznamu
-                iteratorMap.add(map);
-                break;
-
-            case Message.OBJECT_MOVE:
-                int[] data = (int[]) msg.getMsg();
-                // 0 = obj id
-                // 2 = x
-                // 2 = y
-                // zmenit v databázi
-                Database.objectMove(data[0], data[1], data[2]);
-                // zmenit v seznamu
-                while (iteratorMapObject.hasNext()) {
-                    MapObject obj = iteratorMapObject.next();
-                    if (obj.getId() == data[0]) {
-                        // zmenit pozici 
-                        obj.setX(data[1]);
-                        obj.setY(data[2]);
-                        // zapsat zmenu do databaze
-                        Database.objectMove(data[0], data[1], data[2]);
-                        // preposlat zmenu klientum 
-                        sendAll(new Message(Message.UPDATE_OBJECT, obj));
-                        break;
-                    }
-                }
-                break;
-            case Message.UPDATE_OBJECT:
-                MapObject mo_u = (MapObject) msg.getMsg();
-                // zmenit v databazi
-                Database.updateObject(mo_u);
-                // zmenit v seznamu
-                while (iteratorMapObject.hasNext()) {
-                    if (iteratorMapObject.next().getId() == mo_u.getId()) {
-                        iteratorMapObject.set(mo_u);
-                        break;
-                    }
-                }
-                // preposlat zmenu klientum 
-                sendAll(new Message(Message.UPDATE_OBJECT, mo_u));
-                break;
-
-            case Message.DELETE_LOG:
-                int objId = (int) msg.getMsg();
-                // vymaže logy v databazi
-                Database.deleteObjectLog(objId);
-                // vymaze logy v listu
-                ListIterator<Event> iterator = Server.events.listIterator();
-                while (iterator.hasNext()) {
-                    if (iterator.next().getObject() == objId) {
-                        iterator.remove();
-                        break;
-                    }
-                }
-                sendAll(new Message(Message.DELETE_LOG, objId));
-                break;
-
-            case Message.USER:
-                User user = (User) msg.getMsg();
-                user.setPassword(PasswordHashing.hash(user.getPassword()));
-                //pridáni do databáze a nastaveni id
-                user.setId(Database.addUser(user));
-                // přidání do seznamu
-                Server.users.add(user);
-                // odeslat klientum nového uživatele
-                send(new Message(Message.USER, user));
-                break;
-
-            case Message.USER_EDIT:
-                User ue = (User) msg.getMsg();
-                // upraveni v databázi
-                Database.editUser(ue);
-                // zmenit v seznamu
-                ListIterator<User> iteratorUser = Server.users.listIterator();
-                while (iteratorUser.hasNext()) {
-                    User next = iteratorUser.next();
-                    if (next.getId() == ue.getId()) {
-                        iteratorUser.set(ue);
-                        break;
-                    }
-
-                }
-                // preposlat zmenu klientum 
-                sendAll(new Message(Message.USER_EDIT, ue));
-                break;
-
-            case Message.SERVER_CONFIG:
-                ServerConfig sc = (ServerConfig) msg.getMsg();
-                // ulozeni
-                Server.config.setInt("ping_repeat", sc.getPingRepeat());
-                Server.config.setInt("ping_attempt", sc.getPingAttempt());
-                Server.config.setInt("ping_timeout", sc.getPingTimeout());
-                Server.config.setInt("instability_attempt", sc.getInstabilityAttempt());
-                Server.config.setInt("instability_limit", sc.getInstabilityLimit());
-                Server.config.save();
-                //odeslani vsem
-                sendAll(Message.SERVER_CONFIG, sc);
-                break;
-
-            default:
-                LogFile.printErr("Neznamy typ zpravy");
         }
-
     }
 
+    private void handleClientVersion(Message msg) {
+        int client_version = (int) msg.getMsg();
+        if (client_version < Server.MINIMAL_CLIENT_VERSION) {
+            LogFile.printInfo("Outdated client. Sent update request (" + ((InetSocketAddress) currentClient.remoteAddress()).getHostName() + ")");
+            send(new Message(Message.UPDATE, null));
+        } else {
+            LogFile.printInfo("Authorization request send (" + ((InetSocketAddress) currentClient.remoteAddress()).getHostName() + ")");
+            // oodeslat pozadavek na autorizacni udaje
+            send(new Message(Message.AUTH_REQUEST, null));
+        }
+    }
+
+    private void handleAuth(Message msg) {
+        String[] userData = (String[]) msg.getMsg();
+        String username = userData[0];
+        String password = userData[1];
+        int platform = Integer.parseInt(userData[2]);
+
+        User u = Database.getUserInfo(username);
+
+        if (PasswordHashing.verify(password, u.getPassword())) {
+            LogFile.printInfo("User: " + username + " logged in (" + ((InetSocketAddress) currentClient.remoteAddress()).getAddress().getHostName() + ")");
+            // odeslat informaci uzivateli o jeho uspesnem prihlaseni
+            send(new Message(Message.AUTH_SUCEFULL, null));
+            // pridani uzivatele mezi pripojene kanaly 
+            channels.add(currentClient);
+            // vložit uživatele na seznam online uživatelů
+            InetSocketAddress socketAddress = (InetSocketAddress) currentClient.remoteAddress();
+            String clientIp = socketAddress.getAddress().getHostAddress();
+            String clientPort = String.valueOf(socketAddress.getPort());
+            Server.onlineClients.add(new OnlineClients(
+                    String.valueOf(u.getId()),
+                    u.getUsername(),
+                    clientIp,
+                    clientPort,
+                    platform));
+            // odeslat informace o prihlasenem uzivateli, opravneni atd 
+            send(new Message(Message.USER_INFO, u));
+            // odeslat vsem nový seznam pripojenych klientu
+            sendAll(new Message(Message.ONLINE_CLIENTS, Server.onlineClients));
+            // odeslat nastaveni serveru 
+            ServerConfig sc = new ServerConfig(
+                    Server.config.getInt("ping_repeat"),
+                    Server.config.getInt("ping_attempt"),
+                    Server.config.getInt("ping_timeout"),
+                    Server.config.getInt("instability_attempt"),
+                    Server.config.getInt("instability_limit"));
+            send(new Message(Message.SERVER_CONFIG, sc));
+            // odeslat typy objektu
+            for (ObjectType ot : Server.objectType) {
+                send(new Message(Message.OBJECT_TYPE, ot));
+            }
+            // odesila seznam uzivatelu
+            for (User us : Server.users) {
+                send(new Message(Message.USER, us));
+            }
+            // odeslat seznam map
+            for (Map i : Server.maps) {
+                send(new Message(Message.MAP, i));
+            }
+            // odeslat seznam udalosti
+            send(new Message(Message.EVENT_LIST, Server.events));
+            // odeslat seznam snmp profilů
+            for (SnmpProfile i : Server.snmpProfile) {
+                send(new Message(Message.SNMP_PROFILE, i));
+            }
+
+        } else {
+            LogFile.printInfo("Authorization failed (ser: " + username + " )");
+        }
+    }
+
+    private void handleRestart(Message msg) {
+        LogFile.printInfo("Prijat pozadavek na restart serveru");
+        Server.restartServer();
+    }
+
+    private void handleUptime(Message msg) {
+        long uptime = ManagementFactory.getRuntimeMXBean().getUptime();
+        send(Message.UPTIME, uptime);
+    }
+
+    private void handleNewObjectType(Message msg) {
+        ObjectType not = (ObjectType) msg.getMsg();
+        int id = Database.addObjectType(not);
+        not.setId(id);
+        Server.objectType.add(not);
+        sendAll(new Message(Message.OBJECT_TYPE, not));
+    }
+
+    private void handleSetMapLock(Message msg) {
+        int[] data_lock = (int[]) msg.getMsg();
+        for (Map map : Server.maps) {
+            if (map.getId() == data_lock[0]) {
+                map.setLock((data_lock[1] == 1));
+                break;
+            }
+        }
+        // upravit informaci  v databazi
+        Database.mapLock(data_lock[1], data_lock[0]);
+        // odeslani informace ostatnim 
+        sendAll(new Message(Message.SET_MAP_LOCK, data_lock));
+    }
+
+    private void handleAddObject(Message msg) {
+        MapObject mo = Database.addMapObject((MapObject) msg.getMsg());
+        // pridat do seznamu
+        for (Map map : Server.maps) {
+            if (map.getId() == mo.getMap()) {
+                map.getObjects().add(mo);
+            }
+        }
+        // odesle všem novy objekt
+        sendAll(new Message(Message.ADD_OBJECT, mo));
+        // prida event a odesle ho
+        Event event = Database.addEvent(mo.getId(), "Přidáno", Event.TYPE_INFO);
+        sendAll(new Message(Message.EVENT_NEW, event));
+        // pokud je object vypnuty prida log 
+        if (!mo.isActive()) {
+            Event event_disable = Database.addEvent(mo.getId(), "Ping vypnut", Event.TYPE_PING_OFF);
+            sendAll(new Message(Message.EVENT_NEW, event_disable));
+        }
+    }
+
+    private void handleRemoveObject(Message msg) {
+        for (Map map : Server.maps) {
+            for (MapObject object : map.getObjects()) {
+                if (object.getId() == (int) msg.getMsg()) {
+                    // odebere z databaze
+                    Database.removeObject(object.getId());
+                    // odesle informaci o odebrani objektu klientum
+                    sendAll(new Message(Message.REMOVE_OBJECT, object.getId()));
+                    // odebere ze seznamu
+                    map.getObjects().remove(object);
+                    break;
+                }
+            }
+        }
+    }
+
+    private void handleMapRemove(Message msg) {
+        for (Map map : Server.maps) {
+            if (map.getId() == (int) msg.getMsg()) {
+                // odebere z databaze
+                Database.removeMap(map.getId());
+                // odesle informaci o odebrani objektu klientum
+                sendAll(new Message(Message.MAP_REMOVE, map.getId()));
+                // odebere ze seznamu
+                Server.maps.remove(map);
+                break;
+            }
+        }
+    }
+
+    private void handleMapAdd(Message msg) {
+        Map map = new Map((String) msg.getMsg());
+        // přidání mapy do databaze
+        map.setId(Database.addMap(map.getName()));
+        //odeslání mapy klientum
+        send(new Message(Message.MAP, map));
+        // pridani mapy do seznamu
+        Server.maps.add(map);
+    }
+
+    private void handleObjectMove(Message msg) {
+        int[] data = (int[]) msg.getMsg();
+        // 0 = obj id
+        // 2 = x
+        // 2 = y
+        // zmenit v databázi
+        Database.objectMove(data[0], data[1], data[2]);
+        // zmenit v seznamu
+        for (Map mapa : Server.maps) {
+            for (MapObject object : mapa.getObjects()) {
+                if (object.getId() == data[0]) {
+                    // zmenit pozici 
+                    object.setX(data[1]);
+                    object.setY(data[2]);
+                    // zapsat zmenu do databaze
+                    Database.objectMove(data[0], data[1], data[2]);
+                    // preposlat zmenu klientum 
+                    sendAll(new Message(Message.UPDATE_OBJECT, object));
+                    break;
+                }
+            }
+        }
+    }
+
+    private void handleUpdateObject(Message msg) {
+        MapObject mo_u = (MapObject) msg.getMsg();
+        // zmenit v databazi
+        Database.updateObject(mo_u);
+        // zmenit v seznamu
+        for (Map m : Server.maps) {
+            for (int i = 0; i < m.getObjects().size(); i++) {
+                if (m.getObjects().get(i).getId() == mo_u.getId()) {
+                    // pokud je object vypnuty a dřív nebyl prida log 
+                    if (!mo_u.isActive() && m.getObjects().get(i).isActive()) {
+                        Event event_disable = Database.addEvent(mo_u.getId(), "Ping vypnut", Event.TYPE_PING_OFF);
+                        sendAll(new Message(Message.EVENT_NEW, event_disable));
+                    }
+                    // pokud je object zapnutý a dřív nebyl prida log 
+                    if (mo_u.isActive() && !m.getObjects().get(i).isActive()) {
+                        Event event_disable = Database.addEvent(mo_u.getId(), "Ping zapnut", Event.TYPE_PING_OFF);
+                        sendAll(new Message(Message.EVENT_NEW, event_disable));
+                    }
+                    // zmeni objekt v seznamu
+                    m.getObjects().set(i, mo_u);
+                    break;
+                }
+
+            }
+        }
+
+        // preposlat zmenu klientum 
+        sendAll(new Message(Message.UPDATE_OBJECT, mo_u));
+    }
+
+    private void handleDeleteLog(Message msg) {
+        int objId = (int) msg.getMsg();
+        // vymaže logy v databazi
+        Database.deleteObjectLog(objId);
+        // vymaze logy v listu
+        ListIterator<Event> iterator = Server.events.listIterator();
+        while (iterator.hasNext()) {
+            if (iterator.next().getObject() == objId) {
+                iterator.remove();
+                break;
+            }
+        }
+        sendAll(new Message(Message.DELETE_LOG, objId));
+    }
+
+    private void handleUser(Message msg) {
+        User user = (User) msg.getMsg();
+        user.setPassword(PasswordHashing.hash(user.getPassword()));
+        //pridáni do databáze a nastaveni id
+        user.setId(Database.addUser(user));
+        // přidání do seznamu
+        Server.users.add(user);
+        // odeslat klientum nového uživatele
+        send(new Message(Message.USER, user));
+    }
+
+    private void handleUserEdit(Message msg) {
+        User ue = (User) msg.getMsg();
+        // upraveni v databázi
+        Database.editUser(ue);
+        // zmenit v seznamu
+        ListIterator<User> iteratorUser = Server.users.listIterator();
+        while (iteratorUser.hasNext()) {
+            User next = iteratorUser.next();
+            if (next.getId() == ue.getId()) {
+                iteratorUser.set(ue);
+                break;
+            }
+
+        }
+        // preposlat zmenu klientum 
+        sendAll(new Message(Message.USER_EDIT, ue));
+    }
+
+    private void handleServerConfig(Message msg) {
+        ServerConfig sc = (ServerConfig) msg.getMsg();
+        // ulozeni
+        Server.config.setInt("ping_repeat", sc.getPingRepeat());
+        Server.config.setInt("ping_attempt", sc.getPingAttempt());
+        Server.config.setInt("ping_timeout", sc.getPingTimeout());
+        Server.config.setInt("instability_attempt", sc.getInstabilityAttempt());
+        Server.config.setInt("instability_limit", sc.getInstabilityLimit());
+        Server.config.save();
+        //odeslani vsem
+        sendAll(Message.SERVER_CONFIG, sc);
+    }
+
+    private void handleSnmpObjectInfo(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()) {
+                            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();
+    }
+
+    private void handleSnmpTest(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()) {
+                            SNMPTester test = new SNMPTester(obj.getIp(), snmpProfile.getPort(), snmpProfile.getCommunityRead(), snmpProfile.getVersion());
+                            Boolean result = test.testSnmp();
+                            Object[] o = {frameName, result};
+                            send(Message.SNMP_TEST, o);
+                            break;
+                        }
+                    }
+                } catch (Exception ex) {
+                    LogFile.printErr("SNMP error: " + ex.getMessage());
+                }
+            }
+        };
+        t1.start();
+    }
+
+    private void handleSnmpConnectionInterface(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_CONNECTION_INTERFACE, o);
+                            break;
+                        }
+                    }
+                } catch (Exception ex) {
+                    LogFile.printErr("SNMP error: " + ex.getMessage());
+                }
+            }
+        };
+        t1.start();
+    }
+
+    private void handlerConnectionNew(Message msg) {
+        Connection c = Database.addConnection((Connection) msg.getMsg());
+        for (Map map : Server.maps) {
+            if (map.getId() == c.getMap()) {
+                map.getConnection().add(c);
+            }
+        }
+        sendAll(Message.CONNECTION_NEW, c);
+    }
+
+    private void handlerConnectionUpdate(Message msg) {
+        Connection c = (Connection) msg.getMsg();
+        // upravi v databezi
+        Database.editConnection(c);
+        // upravi v seznamu
+        for (Map map : Server.maps) {
+            List<Connection> connections = map.getConnection(); 
+            for (int i = 0; i < connections.size(); i++) {
+                if (connections.get(i).getId() == c.getId()) {
+                    connections.set(i, c); 
+                }
+            }
+        }
+        // odesle vsem zmenu
+        sendAll(Message.CONNECTION_UPDATE, c);
+    }
+
+    /**
+     *
+     *
+     * @param message
+     */
     public void send(Message message) {
         currentClient.writeAndFlush(message);
         LogFile.printDebug("<- Message type: " + message.getType());

src/jnet/server/probe/NettyPing.java

@@ -5,25 +5,45 @@ import io.netty.util.Timeout;
 import io.netty.util.TimerTask;
 import java.io.BufferedReader;
 import java.io.InputStreamReader;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.TimeUnit;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 import jnet.lib.LogFile;
 import jnet.lib.Status;
+import jnet.lib.object.Map;
 import jnet.lib.object.MapObject;
 import jnet.server.Server;
 
 public class NettyPing extends Thread {
 
     private static final HashedWheelTimer TIMER = new HashedWheelTimer(); // Netty časovač
+    private static final Set<MapObject> activeHosts = ConcurrentHashMap.newKeySet(); // Dynamická správa hostů
 
     public NettyPing() {
     }
 
+//    @Override
+//    public void run() {
+//        LogFile.printInfo("Ping probe start");
+//        for (Map map : Server.maps) {
+//            for (MapObject mapObject : map.getObjects()) {
+//                schedulePing(mapObject);
+//            }
+//        }
+//    }
     @Override
     public void run() {
         LogFile.printInfo("Ping probe start");
-        for (MapObject mapObject : Server.mapObject) {
+        TIMER.newTimeout(new TimerTask() {
-            schedulePing(mapObject);
+            @Override
-        }
+            public void run(Timeout timeout) {
+                updateHosts(); // Pravidelně kontroluje `Server.maps` a pinguje aktivní hosty
+                timeout.timer().newTimeout(this, Server.config.getInt("ping_repeat"), TimeUnit.SECONDS);
+            }
+        }, 0, TimeUnit.SECONDS);
     }
 
     private static void schedulePing(MapObject object) {
@@ -36,10 +56,44 @@ public class NettyPing extends Thread {
         }, 0, TimeUnit.SECONDS);
     }
 
+    private static void updateHosts() {
+        Set<MapObject> currentHosts = new HashSet<>();
+
+        // Procházení všech hostů v Server.maps
+        for (Map map : Server.maps) {
+            for (MapObject object : map.getObjects()) {
+                if (object.isActive()) {
+                    currentHosts.add(object);
+                }
+            }
+        }
+
+        // Přidání nových hostů k monitorování
+        for (MapObject obj : currentHosts) {
+            if (activeHosts.add(obj)) { // Přidá pouze pokud tam ještě není
+                LogFile.printDebug("Ping probe add: " + obj.getIp());
+            }
+        }
+
+        // Odebrání hostů, které už nejsou v Server.maps
+        activeHosts.removeIf(obj -> {
+            if (!currentHosts.contains(obj)) {
+                LogFile.printInfo("Odebran host: " + obj.getIp());
+                return true;
+            }
+            return false;
+        });
+
+        // Ping všech aktivních hostů
+        for (MapObject obj : activeHosts) {
+            pingHost(obj);
+        }
+    }
+
     private static void pingHost(MapObject object) {
         try {
             String command = System.getProperty("os.name").startsWith("Windows")
-                    ? "ping -n 1 -w " + String.valueOf((Server.config.getInt("ping_timeout")*1000)) + " " + object.getIp() // Timeout 2000 ms (Windows)
+                    ? "ping -n 1 -w " + String.valueOf((Server.config.getInt("ping_timeout") * 1000)) + " " + object.getIp() // Timeout 2000 ms (Windows)
                     : "ping -c 1 -W " + String.valueOf(Server.config.getInt("ping_timeout")) + " " + object.getIp();    // Timeout 2 sec (Linux)
 
             Process process = Runtime.getRuntime().exec(command);
@@ -72,7 +126,7 @@ public class NettyPing extends Thread {
         }
     }
 
-    private static int extractTime(String line) {
+    private static int extractTimeV1(String line) {
         String[] parts = line.split(" ");
         for (String part : parts) {
             if (part.contains("time=") || part.contains("čas=")) {
@@ -82,4 +136,15 @@ public class NettyPing extends Thread {
         return -1;
     }
 
+    private static int extractTime(String line) {
+        // Regulární výrazy pro Windows i Linux formát
+        Pattern pattern = Pattern.compile("time[=<](\\d+)");
+        Matcher matcher = pattern.matcher(line);
+
+        if (matcher.find()) {
+            return Integer.parseInt(matcher.group(1));
+        }
+        return -1; // Pokud se nepodaří najít čas
+    }
+
 }

src/jnet/server/probe/Ping.java

@@ -10,6 +10,7 @@ import jnet.lib.LogFile;
 import jnet.lib.Message;
 import jnet.lib.Status;
 import jnet.lib.object.Event;
+import jnet.lib.object.Map;
 import jnet.lib.object.MapObject;
 import jnet.server.Database;
 import jnet.server.Server;
@@ -41,7 +42,8 @@ public class Ping extends Thread {
 
         // Naplánování periodického provádění kontrol
         scheduledExecutorService.scheduleAtFixedRate(() -> {
-                for (MapObject mo : Server.mapObject) {
+            for (Map map : Server.maps) {
+                for (MapObject mo : map.getObjects()) {
                     if (mo.isActive()) {
                         // Vytvoření úkolu pro pingování každé IP adresy
                         executorService.submit(() -> {
@@ -59,6 +61,8 @@ public class Ping extends Thread {
                     }
 
                 }
+            }
+                
         }, 0, PERIOD, TimeUnit.SECONDS);
     }
 

src/jnet/server/probe/TrafficProbe.java

@@ -0,0 +1,124 @@
+package jnet.server.probe;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+import jnet.lib.LogFile;
+import jnet.lib.Message;
+import jnet.lib.object.Connection;
+import jnet.lib.object.MapObject;
+import jnet.lib.object.SnmpProfile;
+import jnet.lib.snmp.SNMPTrafficMonitor;
+import jnet.lib.snmp.SNMPTrafficMonitor.TrafficListener;
+import jnet.server.Server;
+import jnet.server.ServerMessageParser;
+
+public class TrafficProbe extends Thread {
+
+    private static final int TIME = 3; // kontrola každé 3 sekundy
+    private final Map<Integer, TProbe> activeProbes = new HashMap<>();
+    private final ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);
+
+    @Override
+    public void run() {
+        LogFile.printInfo("Traffic probe start");
+        scheduler.scheduleAtFixedRate(this::updateProbe, 0, TIME, TimeUnit.SECONDS);
+    }
+
+    private void updateProbe() {
+        Set<Integer> currentProbeIds = new HashSet<>();
+
+        // Projde všechny connections a zjistí, které je potřeba monitorovat
+        for (jnet.lib.object.Map map : Server.maps) {
+            for (Connection connection : map.getConnection()) {
+                if (connection.isReadTraffic()) {
+                    currentProbeIds.add(connection.getId());
+                    if (!activeProbes.containsKey(connection.getId())) {
+                        addProbe(connection);
+                    }
+                }
+            }
+        }
+
+        // Odebrání neaktuálních probe
+        activeProbes.keySet().removeIf(id -> !currentProbeIds.contains(id));
+    }
+
+    private void addProbe(Connection c) {
+        try {
+            String host = "";
+            String port = "161";
+            String community = "public";
+            int version = 1;
+
+            for (jnet.lib.object.Map map : Server.maps) {
+                for (MapObject object : map.getObjects()) {
+                    if (object.getId() == c.getSourceObj()) {
+                        host = object.getIp();
+                        SnmpProfile profile = Server.snmpProfile.stream()
+                                .filter(p -> p.getId() == object.getSnmpProfile())
+                                .findFirst()
+                                .orElse(null);
+                        if (profile != null) {
+                            port = profile.getPort();
+                            community = profile.getCommunityRead();
+                            version = profile.getVersion();
+                        }
+                        break;
+                    }
+                }
+            }
+
+            SNMPTrafficMonitor monitor = new SNMPTrafficMonitor(host, port, community, version, c.getTrafficIface());
+            monitor.addTrafficListener(new TrafficListener() {
+                @Override
+                public void onTrafficUpdate(long inBps, long outBps) {
+                    Object[] o = {c.getId(), inBps, outBps};
+                    ServerMessageParser.sendAll(Message.TRAFFIC, o);
+                }
+            });
+            activeProbes.put(c.getId(), new TProbe(c, monitor));
+            monitor.startMonitoring(2000);
+            LogFile.printInfo("Traffic probe add: " + c.getId());
+        } catch (IOException ex) {
+            LogFile.printErr("Traffic probe error: " + ex.getMessage());
+        }
+    }
+
+    public void stopProbe() {
+        scheduler.shutdown();
+        activeProbes.values().forEach(probe -> {
+            try {
+                probe.getMonitor().stopMonitoring();
+            } catch (IOException e) {
+                LogFile.printErr("Error stopping monitor for probe: " + probe.getConnection().getId() + " - " + e.getMessage());
+            }
+        });
+        activeProbes.clear();
+        LogFile.printInfo("Traffic probe stopped");
+    }
+
+    private static class TProbe {
+
+        private final Connection connection;
+        private final SNMPTrafficMonitor monitor;
+
+        public TProbe(Connection connection, SNMPTrafficMonitor monitor) {
+            this.connection = connection;
+            this.monitor = monitor;
+        }
+
+        public Connection getConnection() {
+            return connection;
+        }
+
+        public SNMPTrafficMonitor getMonitor() {
+            return monitor;
+        }
+    }
+}