use std::time::Duration;

/// Timeout for waiting on receiving traffic after sending outgoing traffic.  Once this timeout is
/// hit, a ping will be sent every `SECONDS_PER_PING` until `PING_TIMEOUT` is reached, or traffic
/// is received.
pub(crate) const BYTES_RX_TIMEOUT: Duration = Duration::from_secs(5);
/// Timeout for waiting on receiving or sending any traffic.  Once this timeout is hit, a ping will
/// be sent every `SECONDS_PER_PING` until `PING_TIMEOUT` is reached or traffic is received.
pub(crate) const TRAFFIC_TIMEOUT: Duration = Duration::from_secs(120);
/// Timeout for waiting on receiving traffic after sending the first ICMP packet.  Once this
/// timeout is reached, it is assumed that the connection is lost.
pub(crate) const PING_TIMEOUT: Duration = Duration::from_secs(15);
/// Timeout for receiving traffic when establishing a connection.
pub(crate) const ESTABLISH_TIMEOUT: Duration = Duration::from_secs(4);
/// `ESTABLISH_TIMEOUT` is multiplied by this after each failed connection attempt.
pub(crate) const ESTABLISH_TIMEOUT_MULTIPLIER: u32 = 2;
/// Maximum timeout for establishing a connection.
pub(crate) const MAX_ESTABLISH_TIMEOUT: Duration = PING_TIMEOUT;
/// Number of seconds to wait between sending ICMP packets
pub(crate) const SECONDS_PER_PING: Duration = Duration::from_secs(3);