11.9.  Obtaining packet information

Wireshark

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11.9.  Obtaining packet information

11.9.1. Address

Represents an address

11.9.1.1. Address.ip(hostname)

Creates an Address Object representing an IP address.

11.9.1.1.1. Arguments
hostname

The address or name of the IP host.

11.9.1.1.2. Returns

The Address object

11.9.1.2. address:__tostring()

11.9.1.2.1. Returns

The string representing the address.

11.9.1.3. address:__eq()

Compares two Addresses

11.9.1.4. address:__le()

Compares two Addresses

11.9.1.5. address:__lt()

Compares two Addresses

11.9.2. Column

A Column in the packet list

11.9.2.1. column:__tostring()

11.9.2.1.1. Returns

The column's string text (in parenthesis if not available)

11.9.2.2. column:clear()

Clears a Column

11.9.2.3. column:set(text)

Sets the text of a Column

11.9.2.3.1. Arguments
text

The text to which to set the Column

11.9.2.4. column:append(text)

Appends text to a Column

11.9.2.4.1. Arguments
text

The text to append to the Column

11.9.2.5. column:prepend(text)

Prepends text to a Column

11.9.2.5.1. Arguments
text

The text to prepend to the Column

11.9.2.6. column:fence()

Sets Column text fence, to prevent overwriting

11.9.3. Columns

The Columns of the packet list.

11.9.3.1. columns:__tostring()

11.9.3.1.1. Returns

The string "Columns", no real use, just for debugging purposes.

11.9.3.2. columns:__newindex(column, text)

Sets the text of a specific column

11.9.3.2.1. Arguments
column

The name of the column to set

text

The text for the column

11.9.4. NSTime

NSTime represents a nstime_t. This is an object with seconds and nano seconds.

11.9.4.1. NSTime.new([seconds], [nseconds])

Creates a new NSTime object

11.9.4.1.1. Arguments
seconds (optional)

Seconds

nseconds (optional)

Nano seconds

11.9.4.1.2. Returns

The new NSTime object.

11.9.4.2. nstime:__tostring()

11.9.4.2.1. Returns

The string representing the nstime.

11.9.4.3. nstime:__add()

Calculates the sum of two NSTimes

11.9.4.4. nstime:__sub()

Calculates the diff of two NSTimes

11.9.4.5. nstime:__unm()

Calculates the negative NSTime

11.9.4.6. nstime:__eq()

Compares two NSTimes

11.9.4.6.1. Errors

  • Data source must be the same for both fields

11.9.4.7. nstime:__le()

Compares two NSTimes

11.9.4.7.1. Errors

  • Data source must be the same for both fields

11.9.4.8. nstime:__lt()

Compares two NSTimes

11.9.4.8.1. Errors

  • Data source must be the same for both fields

11.9.4.9. nstime.secs

The NSTime seconds

11.9.4.10. nstime.nsecs

The NSTime nano seconds

11.9.5. Pinfo

Packet information

11.9.5.1. pinfo.number

The number of this packet in the current file

11.9.5.2. pinfo.len

The length of the frame

11.9.5.3. pinfo.caplen

The captured length of the frame

11.9.5.4. pinfo.abs_ts

When the packet was captured

11.9.5.5. pinfo.rel_ts

Number of seconds passed since beginning of capture

11.9.5.6. pinfo.delta_ts

Number of seconds passed since the last captured packet

11.9.5.7. pinfo.delta_dis_ts

Number of seconds passed since the last displayed packet

11.9.5.8. pinfo.visited

Whether this packet hass been already visited

11.9.5.9. pinfo.src

Source Address of this Packet

11.9.5.10. pinfo.dst

Destination Address of this Packet

11.9.5.11. pinfo.lo

lower Address of this Packet

11.9.5.12. pinfo.hi

higher Address of this Packet

11.9.5.13. pinfo.dl_src

Data Link Source Address of this Packet

11.9.5.14. pinfo.dl_dst

Data Link Destination Address of this Packet

11.9.5.15. pinfo.net_src

Network Layer Source Address of this Packet

11.9.5.16. pinfo.net_dst

Network Layer Destination Address of this Packet

11.9.5.17. pinfo.ptype

Type of Port of .src_port and .dst_port

11.9.5.18. pinfo.src_port

Source Port of this Packet

11.9.5.19. pinfo.dst_port

Source Address of this Packet

11.9.5.20. pinfo.ipproto

IP Protocol id

11.9.5.21. pinfo.circuit_id

For circuit based protocols

11.9.5.22. pinfo.match

Port/Data we are matching

11.9.5.23. pinfo.curr_proto

Which Protocol are we dissecting

11.9.5.24. pinfo.columns

Accesss to the packet list columns

11.9.5.25. pinfo.cols

Accesss to the packet list columns (equivalent to pinfo.columns)

11.9.5.26. pinfo.desegment_len

Estimated number of additional bytes required for completing the PDU

11.9.5.27. pinfo.desegment_offset

Offset in the tvbuff at which the dissector will continue processing when next called

11.9.5.28. pinfo.private_data

Access to private data

11.9.5.29. pinfo.private

Access to the private table entries

11.9.5.30. pinfo.ethertype

Ethernet Type Code, if this is an Ethernet packet

11.9.5.31. pinfo.fragmented

If the protocol is only a fragment

11.9.5.32. pinfo.in_error_pkt

If we're inside an error packet

11.9.5.33. pinfo.match_uint

Matched uint for calling subdissector from table

11.9.5.34. pinfo.match_string

Matched string for calling subdissector from table

11.9.6. PrivateTable

PrivateTable represents the pinfo->private_table.

11.9.6.1. privatetable:__tostring()

11.9.6.1.1. Returns

A string with all keys in the table, mostly for debugging.

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