Package org.apache.commons.net.discard
Class DiscardUDPClient
java.lang.Object
org.apache.commons.net.DatagramSocketClient
org.apache.commons.net.discard.DiscardUDPClient
- All Implemented Interfaces:
AutoCloseable
- Direct Known Subclasses:
EchoUDPClient
The DiscardUDPClient class is a UDP implementation of a client for the Discard protocol described in RFC 863. To use the class, just open a local UDP port
with
open and call send to send datagrams to the server After you're done sending
discard data, call close() to clean up properly.- See Also:
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Field Summary
FieldsFields inherited from class org.apache.commons.net.DatagramSocketClient
_isOpen_, _socket_, _socketFactory_, _timeout_ -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoidsend(byte[] data, int length, InetAddress host) Same assend(data, length, host.voidsend(byte[] data, int length, InetAddress host, int port) Sends the specified data to the specified server at the specified port.voidsend(byte[] data, InetAddress host) Same assend(data, data.length, host.Methods inherited from class org.apache.commons.net.DatagramSocketClient
checkOpen, close, getCharset, getCharsetName, getDefaultTimeout, getLocalAddress, getLocalPort, getSoTimeout, getSoTimeoutDuration, isOpen, open, open, open, setCharset, setDatagramSocketFactory, setDefaultTimeout, setDefaultTimeout, setSoTimeout, setSoTimeout
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Field Details
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DEFAULT_PORT
The default discard port. It is set to 9 according to RFC 863.- See Also:
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Constructor Details
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DiscardUDPClient
public DiscardUDPClient()
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Method Details
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send
Same assend(data, data.length, host. DiscardUDPClient.DEFAULT_PORT).- Parameters:
data- the buffer to sendhost- the target host- Throws:
IOException- if an error occurs- See Also:
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send
Same assend(data, length, host. DiscardUDPClient.DEFAULT_PORT).- Parameters:
data- the buffer to sendlength- the length of the data in the bufferhost- the target host- Throws:
IOException- if an error occurs- See Also:
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send
Sends the specified data to the specified server at the specified port.- Parameters:
data- The discard data to send.length- The length of the data to send. Should be less than or equal to the length of the data byte array.host- The address of the server.port- The service port.- Throws:
IOException- If an error occurs during the datagram send operation.
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