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java.lang.Object | +--fi.hut.tcm.jacob.conduits.BufferMessenger | +--fi.hut.tcm.jacob.tcpip.icmp.IcmpChecksumMessenger
An abstract class that provides the checksum algorithm for IcmpChecksumFromNetMessenger and IcmpChecksumToNetMessenger. The checksum algorithm calculates the ICMP checksum based on the packet header.
Constructor Summary | |
IcmpChecksumMessenger()
|
Method Summary | |
int | calculateChecksum(fi.hut.tcm.jacob.conduits.Message message)
Calculates the checksum. |
int | getChecksum(fi.hut.tcm.jacob.conduits.Message message)
Gets the checksum for a Message containing one. |
void | setChecksum(fi.hut.tcm.jacob.conduits.Message message,
int csum)
Adds the ICMP checksum to a message. |
Methods inherited from class fi.hut.tcm.jacob.conduits.BufferMessenger | |
appendTrailer, copyBuffer, copyData, extractData, get6BytesUnaligned, getBit, getByte, getHalfByte, getInt, getIntUnaligned, getLength, getLong, getLongUnaligned, getShort, getShortUnaligned, hexDump, hexDump, newBuffer, newBuffer, newBuffer, prependHeader, removeHeader, removeTrailer, set6BytesUnaligned, setBit, setByte, setHalfByte, setInt, setIntUnaligned, setLong, setLongUnaligned, setShort, setShortUnaligned |
Methods inherited from class java.lang.Object | |
clone, equals, finalize, getClass, hashCode, notifyAll, notify, toString, wait, wait, wait |
Constructor Detail |
public IcmpChecksumMessenger()
Method Detail |
protected int calculateChecksum(fi.hut.tcm.jacob.conduits.Message message)
message
- the Message
for which to calculate
the checksumprotected int getChecksum(fi.hut.tcm.jacob.conduits.Message message)
Message
containing one.
message
- which Message
protected void setChecksum(fi.hut.tcm.jacob.conduits.Message message, int csum)
message
- the Message
csum
- the checksum to addOverview | Package | Class | Tree | Deprecated | Index | Help | |||
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