tor_cell::relaycell::msg

Struct Extend2

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pub struct Extend2 { /* private fields */ }
Expand description

An Extend2 message tells the last relay in a circuit to extend to a new hop.

When a relay (call it R) receives an Extend2 message, it tries to find (or make) a channel to the other relay (R’) described in the list of link specifiers. (A link specifier can be an IP addresses or a cryptographic identity). Once R has such a channel, the it packages the client’s handshake data as a new Create2 message R’. If R’ replies with a Created2 (success) message, R packages that message’s contents in an Extended message. Unlike Extend messages, Extend2 messages can encode any handshake type, and can describe relays in ways other than IPv4 addresses and RSA identities.

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impl Extend2

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pub fn new( linkspec: Vec<EncodedLinkSpec>, handshake_type: HandshakeType, handshake: Vec<u8>, ) -> Self

Create a new Extend2 cell.

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pub fn handshake_type(&self) -> HandshakeType

Return the type of this handshake.

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pub fn handshake(&self) -> &[u8] ⓘ

Return the inner handshake for this Extend2 cell.

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impl Body for Extend2

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fn decode_from_reader(r: &mut Reader<'_>) -> Result<Self>

Decode a relay cell body from a provided reader.
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fn encode_onto<W: Writer + ?Sized>(self, w: &mut W) -> EncodeResult<()>

Encode the body of this cell into the end of a writer.
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impl Clone for Extend2

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fn clone(&self) -> Extend2

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Extend2

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl From<Extend2> for AnyRelayMsg

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fn from(m: Extend2) -> AnyRelayMsg

Converts to this type from the input type.
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impl HasMemoryCostStructural for Extend2

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fn indirect_memory_cost(&self, et: EnabledToken) -> usize

Memory cost of data stored out-of-line Read more
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impl RelayMsg for Extend2

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fn cmd(&self) -> RelayCmd

Return the stream command associated with this message.
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fn encode_onto<W: Writer + ?Sized>(self, w: &mut W) -> EncodeResult<()>

Encode the body of this message, not including command or length
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fn decode_from_reader(cmd: RelayCmd, r: &mut Reader<'_>) -> Result<Self>

Extract the body of a message with command cmd from reader r.
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impl TryFrom<AnyRelayMsg> for Extend2

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(msg: AnyRelayMsg) -> Result<Extend2>

Performs the conversion.

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