shotover 0.7.2

Shotover API for building custom transforms
Documentation 
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//! Protocol definitions for hot reload communication between shotover instances.

use serde::{Deserialize, Serialize};
use std::os::unix::io::OwnedFd;
use std::time::Duration;

/// Requests that can be sent from replacement shotover to original shotover
#[derive(Debug, Serialize, Deserialize)]
pub enum Request {
    SendListeningSockets,
    /// GradualShutdown request with the total duration for the shutdown process.
    GradualShutdown {
        /// The duration specifies how long the original instance should spend draining connections.
        duration: Duration,
    },
}

#[derive(Debug, Serialize, Deserialize)]
pub enum Response {
    SendListeningSockets,
    GradualShutdown,
    Error(String),
}
/// Request sent from hot reload server to TcpCodecListener
pub struct HotReloadListenerRequest {
    pub return_chan: tokio::sync::oneshot::Sender<HotReloadListenerResponse>,
}

/// Request sent from hot reload server to TcpCodecListener for gradual shutdown
pub struct GradualShutdownRequest {
    /// The total duration for the gradual shutdown process
    pub duration: Duration,
}

/// Response sent from TcpCodecListener back to hot reload server
#[derive(Debug)]
pub enum HotReloadListenerResponse {
    HotReloadResponse {
        port: u16,
        /// An OwnedFd that will be converted to RawFd only during transfer
        listener_socket_fd: OwnedFd,
    },
    NoListenerAvailable,
}