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SNMP

NettyPing
Michal 2025-02-18 18:40:29 +01:00
parent a80d4198e2
commit 939e520f6a
5 changed files with 96 additions and 34 deletions
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lib/snmp4j-3.8.2.jar Normal file
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lib/spring-security-crypto-5.8.0.jar Normal file
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6
nbproject/project.properties
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@ -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

58
src/jnet/server/Server.java
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@ -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;
@ -11,43 +13,55 @@ 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;
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 List<ObjectType> objectType = new ArrayList<>();
public static List<SnmpProfile> snmpProfile = new ArrayList<>();
public static List<SnmpProbe> snmpProbe = new ArrayList<>();
public static List<User> users = new ArrayList<>();
public static List<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 +69,6 @@ public class Server {
LogFile.printInfo(" Version: " + SERVER_VERSION + " (" + BuilddDate.get() + ")");
LogFile.printInfo("---------------------------------------------");
LogFile.printInfo("");
///
/// nahrani konfigurace
@ -70,9 +83,7 @@ public class Server {
LogFile.printErr(" fail. " + ex.getMessage());
System.exit(0);
}
///
/// debug rezim ?
///
@ -80,7 +91,7 @@ public class Server {
LogFile.setDebug(true);
LogFile.printDebug("Debug mode on");
}
///
/// pripojeni k databazi
///
@ -89,42 +100,39 @@ 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 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
///
@ -137,10 +145,10 @@ public class Server {
// p2.start();
NettyPing np = new NettyPing();
np.start();
np.start();
}
public static void restartServer() {
new Thread(() -> {
try {

66
src/jnet/server/ServerMessageParser.java
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@ -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) {
@ -62,7 +69,7 @@ public class ServerMessageParser {
LogFile.printErr("Neznamy typ zpravy");
}
}
private void handleClientVersion(Message msg) {
int client_version = (int) msg.getMsg();
if (client_version < Server.MINIMAL_CLIENT_VERSION) {
@ -337,20 +344,63 @@ public class ServerMessageParser {
//odeslani vsem
sendAll(Message.SERVER_CONFIG, sc);
}
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();
}
/**
*
*
* @param message
*
*
* @param message
*/
public void send(Message message) {
currentClient.writeAndFlush(message);
LogFile.printDebug("<- Message type: " + message.getType());