struct

Tuntap::IpPacket

Inherits Struct / Value / Object

Provides easy access to the IP header and its payload.

Constructors

new(frame : Bytes, has_pi : Bool = true, has_ethernet : Bool = false)

Encapsulates frame as a IPv4 packet with or without the PI header (has_pi). has_ethernet commonly refers to the source being a TUN (= false) or TAP (= true) device.

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Instance methods

[](*args, **options)

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[](*args, **options, &)

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destination_address

The destination address of the IP header as readable string.

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destination_mac

The destination hardware address.

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ethernet

Returns the ethernet header. If this packet does not have it, the returned header will contain junk data.

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frame

The whole packet

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has_ethernet?

Does the frame have an ethernet header?

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has_pi?

Does the frame has the PI header?

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ip_header_length

Length of the IP header

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ipv4

Returns the IPv4 header from the packet. No check is done if the packet really contains IPv4 data.

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Returns the PI header. If this packet does not have it, the returned header will contain junk data.

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size(*args, **options)

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size(*args, **options, &)

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source_address

The source address of the IP header as readable string.

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source_mac

The source hardware address.

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without_ethernet

Returns the frame without the ethernet header (if there is one).

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without_ip

Returns the IP payload

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without_pi

Returns the frame without the PI header (if there is one)

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