Struct seec::mul_triple::storage::MTStorage

pub struct MTStorage<F, MulTriples> { /* private fields */ }

Implementations

impl<MulTriples> MTStorage<BufWriter<File>, MulTriples>

where MulTriples: Default,

pub fn create(path: &Path) -> Result<Self, StorageError>

Examples found in repository

crates/seec/examples/precompute_mts.rs (line 58)

async fn main() -> anyhow::Result<()> {
    // Initialize logging, see top of file for instructions on how to get output.
    tracing_subscriber::fmt()
        .with_env_filter(EnvFilter::from_default_env())
        .init();

    let args = Args::parse();

    let (mut sender, bytes_written, mut receiver, bytes_read) = match args.id {
        0 => seec_channel::tcp::listen(&args.server).await?,
        1 => {
            seec_channel::tcp::connect_with_timeout(&args.server, Duration::from_secs(120)).await?
        }
        illegal => anyhow::bail!("Illegal party id {illegal}. Must be 0 or 1."),
    };

    let (mt_ch, mut sync_ch) = sub_channels_for!(
        &mut sender,
        &mut receiver,
        128,
        mul_triple::boolean::ot_ext::DefaultMsg,
        seec_channel::SyncMsg
    )
    .await
    .context("sub-channel establishment")?;

    let mtp =
        mul_triple::boolean::ot_ext::OtMTProvider::new_with_default_ot_ext(OsRng, mt_ch.0, mt_ch.1);

    let mut mt_storage = MTStorage::create(&args.output).context("create mt storage")?;
    mt_storage.set_batch_size(args.batch_size);
    let now = Instant::now();
    mt_storage
        .store_mts(args.num, mtp)
        .await
        .context("unable to precompute and store MTs")?;
    info!(
        elapsed_ms = now.elapsed().as_millis(),
        bytes_written = bytes_written.get(),
        bytes_received = bytes_read.get(),
        "Finished precomputing MTs"
    );

    seec_channel::sync(&mut sync_ch.0, &mut sync_ch.1)
        .await
        .context("unable to sync")?;

    Ok(())
}

impl<F, MulTriples> MTStorage<F, MulTriples>

where MulTriples: Default,

pub fn new(file: F) -> Self

pub fn insecure_loop_file(self, loop_file: bool) -> Self

WARNING: This is an insecure option. By setting loop_file = true, the mt storage file is simply read from the beginning when the end is reached. This is only intended for benchmarking, and thus only available with the “bench-api” feature enabled.

impl<F, MulTriples> MTStorage<F, MulTriples>

where F: Write + Debug,

pub async fn store_mts<MTP>( &mut self, count: usize, mtp: MTP ) -> Result<(), StorageError>

where MTP: MTProvider<Output = MulTriples>, MTP::Error: Error + Send + Sync + 'static, MTP::Output: Serialize,

Examples found in repository

crates/seec/examples/precompute_mts.rs (line 62)

async fn main() -> anyhow::Result<()> {
    // Initialize logging, see top of file for instructions on how to get output.
    tracing_subscriber::fmt()
        .with_env_filter(EnvFilter::from_default_env())
        .init();

    let args = Args::parse();

    let (mut sender, bytes_written, mut receiver, bytes_read) = match args.id {
        0 => seec_channel::tcp::listen(&args.server).await?,
        1 => {
            seec_channel::tcp::connect_with_timeout(&args.server, Duration::from_secs(120)).await?
        }
        illegal => anyhow::bail!("Illegal party id {illegal}. Must be 0 or 1."),
    };

    let (mt_ch, mut sync_ch) = sub_channels_for!(
        &mut sender,
        &mut receiver,
        128,
        mul_triple::boolean::ot_ext::DefaultMsg,
        seec_channel::SyncMsg
    )
    .await
    .context("sub-channel establishment")?;

    let mtp =
        mul_triple::boolean::ot_ext::OtMTProvider::new_with_default_ot_ext(OsRng, mt_ch.0, mt_ch.1);

    let mut mt_storage = MTStorage::create(&args.output).context("create mt storage")?;
    mt_storage.set_batch_size(args.batch_size);
    let now = Instant::now();
    mt_storage
        .store_mts(args.num, mtp)
        .await
        .context("unable to precompute and store MTs")?;
    info!(
        elapsed_ms = now.elapsed().as_millis(),
        bytes_written = bytes_written.get(),
        bytes_received = bytes_read.get(),
        "Finished precomputing MTs"
    );

    seec_channel::sync(&mut sync_ch.0, &mut sync_ch.1)
        .await
        .context("unable to sync")?;

    Ok(())
}

impl<F, MuLTriples> MTStorage<F, MuLTriples>

where F: Read + Debug, MuLTriples: DeserializeOwned,

pub fn read_batch(&mut self) -> Result<MuLTriples, StorageError>

impl<F, M> MTStorage<F, M>

pub fn batch_size(&self) -> usize

Only relevant for writing

pub fn set_batch_size(&mut self, batch_size: usize)

Only used for writing MTs

Examples found in repository

crates/seec/examples/precompute_mts.rs (line 59)

async fn main() -> anyhow::Result<()> {
    // Initialize logging, see top of file for instructions on how to get output.
    tracing_subscriber::fmt()
        .with_env_filter(EnvFilter::from_default_env())
        .init();

    let args = Args::parse();

    let (mut sender, bytes_written, mut receiver, bytes_read) = match args.id {
        0 => seec_channel::tcp::listen(&args.server).await?,
        1 => {
            seec_channel::tcp::connect_with_timeout(&args.server, Duration::from_secs(120)).await?
        }
        illegal => anyhow::bail!("Illegal party id {illegal}. Must be 0 or 1."),
    };

    let (mt_ch, mut sync_ch) = sub_channels_for!(
        &mut sender,
        &mut receiver,
        128,
        mul_triple::boolean::ot_ext::DefaultMsg,
        seec_channel::SyncMsg
    )
    .await
    .context("sub-channel establishment")?;

    let mtp =
        mul_triple::boolean::ot_ext::OtMTProvider::new_with_default_ot_ext(OsRng, mt_ch.0, mt_ch.1);

    let mut mt_storage = MTStorage::create(&args.output).context("create mt storage")?;
    mt_storage.set_batch_size(args.batch_size);
    let now = Instant::now();
    mt_storage
        .store_mts(args.num, mtp)
        .await
        .context("unable to precompute and store MTs")?;
    info!(
        elapsed_ms = now.elapsed().as_millis(),
        bytes_written = bytes_written.get(),
        bytes_received = bytes_read.get(),
        "Finished precomputing MTs"
    );

    seec_channel::sync(&mut sync_ch.0, &mut sync_ch.1)
        .await
        .context("unable to sync")?;

    Ok(())
}

impl<F: Seek, M> MTStorage<F, M>

pub fn rewind_file(&mut self) -> Result<(), StorageError>

Trait Implementations

impl<F: Debug, M> Debug for MTStorage<F, M>

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

Formats the value using the given formatter.

impl<F: Read + Seek + Debug + Send, MulTriples> MTProvider for MTStorage<F, MulTriples>

where MulTriples: DeserializeOwned + SetupStorage,

type Output = MulTriples

type Error = StorageError

fn precompute_mts<'life0, 'async_trait>( &'life0 mut self, amount: usize ) -> Pin<Box<dyn Future<Output = Result<(), Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

fn request_mts<'life0, 'async_trait>( &'life0 mut self, amount: usize ) -> Pin<Box<dyn Future<Output = Result<Self::Output, Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,