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TCPPacket

A packet carrying TCP header.

Super Class:

IPPacket

Methods:

tcp_ack

Return acknowledgement number.

tcp_data

Return data part as String.

tcp_data_len

Return length of data part.

tcp_dport
dport

Return destination port number.

tcp_flags

Return the value of 6-bits flag field.

tcp_flags_s

Return the value of 6-bits flag field as string like ".A...F".

tcp_fin?
tcp_syn?
tcp_rst?
tcp_psh?
tcp_ack?
tcp_urg?

Return true if flag is set.

tcp_off
tcp_hlen

Return TCP data offset (header length). (Unit: 4-octets)

tcp_seq

Return sequence number.

tcp_sum

Return the value of checksum field.

tcp_sport
sport

Return source port number.

tcp_urp

Return urgent pointer.

tcp_win

Return window size.

to_s

Return string representation.


fukusima@goto.info.waseda.ac.jp