org.opennms.protocols.icmpd
Class DaemonConnection
java.lang.Object
|
+--org.opennms.protocols.icmpd.DaemonConnection
- public class DaemonConnection
- extends Object
Creates a default connection to the ICMP daemon
for sending and receiving ICMP messages.
- Version:
- 0.1
- Author:
- Brian Weaver
Constructor Summary |
DaemonConnection()
Creates a new connection on the local host to the
default port. |
DaemonConnection(int port)
Creates a new daemon connnection to the specified port on
on the local machine. |
Methods inherited from class java.lang.Object |
, clone, equals, finalize, getClass, hashCode, notify, notifyAll, registerNatives, toString, wait, wait, wait |
m_channel
Socket m_channel
m_sendSync
private Object m_sendSync
m_recvSync
private Object m_recvSync
DEFAULT_PORT
public static final int DEFAULT_PORT
- The default port to connect on the local host.
SERVICE_NAME
public static final String SERVICE_NAME
- The default service name for the ICMP daemon.
DaemonConnection
public DaemonConnection()
throws UnknownHostException,
IOException
- Creates a new connection on the local host to the
default port.
- Throws:
UnknownHostException
- Thrown if 127.0.0.1 is an unknown hostIOException
- Thrown if an error occurs connecting to the port.
DaemonConnection
public DaemonConnection(int port)
throws UnknownHostException,
IOException
- Creates a new daemon connnection to the specified port on
on the local machine.
- Parameters:
port
- The port to connect to on the loopback interface.- Throws:
UnknownHostException
- Thrown if 127.0.0.1 is an unknown hostIOException
- Thrown if an error occurs connecting to the port.
close
public void close()
throws IOException
- Closes the connection with the icmp daemon
- Throws:
IOException
- Thrown if an error occurs closing the connection.
sendMessage
public void sendMessage(MessageHeader hdr)
throws IOException
- Sends the message to the icmp daemon.
- Parameters:
hdr
- The message to be sent- Throws:
IOException
- Thrown if an error occurs writing the object.
recvMessage
public MessageHeader recvMessage()
throws IOException
- Receives a message from the daemon and returns message header
object. The object is actually one of the derived classes.
- Returns:
- The MessageHeader base object received.
- Throws:
IOException
- Thrown if an error occurs.