Class java.net.DatagramSocketImpl
java.lang.Object
|
+----java.net.DatagramSocketImpl
- public abstract class DatagramSocketImpl
- extends Object
- implements java.net.SocketOptions
Abstract datagram and multicast socket implementation base class.
- Since:
- JDK1.1
Methods inherited from class java.lang.Object
|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
localPort
protected int localPort
fd
protected FileDescriptor fd
- The file descriptor object
create
protected abstract void create() throws SocketException
- Creates a datagram socket
bind
protected abstract void bind(int lport,
InetAddress laddr) throws SocketException
- Binds a datagram socket to a local port and address.
send
protected abstract void send(DatagramPacket p) throws IOException
- Sends a datagram packet. The packet contains the data and the
destination address to send the packet to.
- Parameters:
packet
- to be sent.
peek
protected abstract int peek(InetAddress i) throws IOException
- Peek at the packet to see who it is from.
- Parameters:
return
- the address which the packet came from.
receive
protected abstract void receive(DatagramPacket p) throws IOException
- Receive the datagram packet.
- Parameters:
Packet
- Received.
setTTL
protected abstract void setTTL(byte ttl) throws IOException
- Set the TTL (time-to-live) option.
- Parameters:
TTL
- to be set.
getTTL
protected abstract byte getTTL() throws IOException
- Retrieve the TTL (time-to-live) option.
join
protected abstract void join(InetAddress inetaddr) throws IOException
- Join the multicast group.
- Parameters:
multicast
- address to join.
leave
protected abstract void leave(InetAddress inetaddr) throws IOException
- Leave the multicast group.
- Parameters:
multicast
- address to leave.
close
protected abstract void close()
- Close the socket.
getLocalPort
protected int getLocalPort()
- Get the local port.
getFileDescriptor
protected FileDescriptor getFileDescriptor()
- Get the datagram socket file descriptor
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