UnparsedRelayMsg

tor_cell::relaycell

Struct UnparsedRelayMsg 

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

An enveloped relay message that has not yet been fully parsed, but where we have access to the command, stream ID, and payload data length for dispatching and congestion control purposes.

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impl UnparsedRelayMsg

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pub fn from_singleton_body( version: RelayCellFormat, body: BoxedCellBody, ) -> Result<Self>

Wrap a BoxedCellBody as an UnparsedRelayMsg.

Fails if the body doesn’t correspond to exactly one relay message, but doesn’t parse the message itself.

Non-test code should generally use RelayCellDecoder instead.

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pub fn cmd(&self) -> RelayCmd

Return the command for this cell.

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pub fn stream_id(&self) -> Option<StreamId>

Return the stream ID for the stream that this msg corresponds to, if any.

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pub fn data_len(&self) -> Result<u16>

Return the “length” field of a data cell, or 0 if not a data cell.

This is the size of the cell data (the “data” field), not the size of the cell.

If the field value is invalid (for example >509 for V0 cells), an error will be returned.

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pub fn decode<M: RelayMsg>(self) -> Result<RelayMsgOuter<M>>

Decode this unparsed cell into a given cell type.

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impl Clone for UnparsedRelayMsg

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fn clone(&self) -> UnparsedRelayMsg

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 UnparsedRelayMsg

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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 HasMemoryCostStructural for UnparsedRelayMsg

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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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Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 16 bytes