public void onResponse(ResponseEvent re) {
// Always cancel async request when response has been received
// otherwise a memory leak is created! Not canceling a request
// immediately can be useful when sending a request to a broadcast
// address.
try {
Object source = re.getSource();
// test to ignore REPORTS from DISCOVERY messages in SNMPv3
if (!(source instanceof Snmp)) return;
((Snmp) source).cancel(re.getRequest(), this);
// create the SnmpMsg received
MsgSnmp msg = new MsgSnmp();
msg.setPdu(re.getResponse());
// TODO: how to know the version here to set communityTarget or UserTarget
Target target = new CommunityTarget();
// ((CommunityTarget)target).setCommunity(new
// OctetString(re.getStateReference().getSecurityName()));
target.setAddress(re.getPeerAddress());
msg.setTarget((AbstractTarget) target);
UdpAddress add = (UdpAddress) re.getPeerAddress();
msg.setRemotePort(add.getPort());
msg.setRemoteHost(add.getInetAddress().getHostAddress());
msg.setListenpoint(listenpoint);
StackFactory.getStack(StackFactory.PROTOCOL_SNMP).receiveMessage(msg);
} catch (Exception ex) {
}
}
// process request and analyze content with mib file
public void processPdu(CommandResponderEvent cre) {
try {
// create the SnmpMsg received
MsgSnmp msg = new MsgSnmp();
msg.setPdu(cre.getPDU());
// TODO: how to know the version here to set communityTarget or UserTarget
AbstractTarget target = null;
if ((cre.getMessageProcessingModel() == MessageProcessingModel.MPv1)
|| (cre.getMessageProcessingModel() == MessageProcessingModel.MPv2c)) {
target = new CommunityTarget();
((CommunityTarget) target)
.setCommunity(new OctetString(cre.getStateReference().getSecurityName()));
} else // TODO: manage of snmpV3 not done
target = new UserTarget();
if (cre.getMessageProcessingModel() == MessageProcessingModel.MPv1) {
target.setVersion(SnmpConstants.version1);
} else if (cre.getMessageProcessingModel() == MessageProcessingModel.MPv2c) {
target.setVersion(SnmpConstants.version2c);
} else if (cre.getMessageProcessingModel() == MessageProcessingModel.MPv3) {
target.setVersion(SnmpConstants.version3);
}
target.setAddress(cre.getPeerAddress());
msg.setTarget((AbstractTarget) target);
UdpAddress add = (UdpAddress) cre.getPeerAddress();
msg.setRemotePort(add.getPort());
msg.setRemoteHost(add.getInetAddress().getHostAddress());
msg.setListenpoint(listenpoint);
StackFactory.getStack(StackFactory.PROTOCOL_SNMP).receiveMessage(msg);
} catch (Exception ex) {
}
}
/**
* Creates a UDP transport with optional reusing the address if is currently in timeout state
* (TIME_WAIT) after the connection is closed.
*
* @param udpAddress the local address for sending and receiving of UDP messages.
* @param reuseAddress if <code>true</code> addresses are reused which provides faster socket
* binding if an application is restarted for instance.
* @throws IOException if socket binding fails.
* @since 1.7.3
*/
public DefaultUdpTransportMapping(UdpAddress udpAddress, boolean reuseAddress)
throws IOException {
super(udpAddress);
socket = new DatagramSocket(null);
socket.setReuseAddress(reuseAddress);
final SocketAddress addr =
new InetSocketAddress(udpAddress.getInetAddress(), udpAddress.getPort());
socket.bind(addr);
}
public void sendMessage(
UdpAddress targetAddress, byte[] message, TransportStateReference tmStateReference)
throws java.io.IOException {
InetSocketAddress targetSocketAddress =
new InetSocketAddress(targetAddress.getInetAddress(), targetAddress.getPort());
if (logger.isDebugEnabled()) {
logger.debug(
"Sending message to "
+ targetAddress
+ " with length "
+ message.length
+ ": "
+ new OctetString(message).toHexString());
}
DatagramSocket s = ensureSocket();
s.send(new DatagramPacket(message, message.length, targetSocketAddress));
}
/**
* Creates a UDP transport on the specified address. The address will not be reused if it is
* currently in timeout state (TIME_WAIT).
*
* @param udpAddress the local address for sending and receiving of UDP messages.
* @throws IOException if socket binding fails.
*/
public DefaultUdpTransportMapping(UdpAddress udpAddress) throws IOException {
super(udpAddress);
socket = new DatagramSocket(udpAddress.getPort(), udpAddress.getInetAddress());
}
