holochain 0.7.0-dev.22

Holochain, a framework for distributed applications
Documentation 
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//! Custom error type for the Holochain interface.

use crate::conductor::error::ConductorError;
use holochain_serialized_bytes::SerializedBytesError;
use holochain_types::signal::Signal;

/// Interface Error Type
#[allow(missing_docs)]
#[derive(Debug, thiserror::Error)]
pub enum InterfaceError {
    #[error(transparent)]
    SerializedBytes(#[from] SerializedBytesError),
    #[error(transparent)]
    JoinError(#[from] tokio::task::JoinError),
    #[error("Error while sending a Signal to an Interface: {0:?}")]
    SignalSend(tokio::sync::broadcast::error::SendError<Signal>),
    #[error(transparent)]
    SignalReceive(tokio::sync::broadcast::error::TryRecvError),
    #[error(transparent)]
    RequestHandler(Box<ConductorError>),
    #[error("Got an unexpected message: {0}")]
    UnexpectedMessage(String),
    #[error("Failed to send across interface")]
    SendError,
    #[error("Other error: {0}")]
    Other(String),
    #[error("Interface closed")]
    Closed,
    #[error(transparent)]
    IoError(#[from] std::io::Error),
    #[error(transparent)]
    WebsocketError(#[from] holochain_websocket::WebsocketError),
    #[error("Failed to find free port")]
    PortError,
    #[error(transparent)]
    AddrParseError(#[from] std::net::AddrParseError),
}

impl From<String> for InterfaceError {
    fn from(o: String) -> Self {
        InterfaceError::Other(o)
    }
}

impl From<futures::channel::mpsc::SendError> for InterfaceError {
    fn from(_: futures::channel::mpsc::SendError) -> Self {
        InterfaceError::SendError
    }
}

/// Interface Result Type
pub type InterfaceResult<T> = Result<T, InterfaceError>;