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ip-echo-server: Add helper to compute reply length

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This commit is contained in:
Trent Nelson
2020-11-11 19:27:03 -07:00
committed by mergify[bot]
parent aab5f24518
commit 7481ba5618
2 changed files with 6 additions and 6 deletions
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4
net-utils/src/lib.rs
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@@ -23,6 +23,10 @@ pub struct UdpSocketPair {
pub type PortRange = (u16, u16);
pub(crate) const HEADER_LENGTH: usize = 4;
pub(crate) fn ip_echo_server_reply_length() -> usize {
let largest_ip_addr = IpAddr::from([0u16; 8]); // IPv6 variant
HEADER_LENGTH + bincode::serialized_size(&largest_ip_addr).unwrap() as usize
}
fn ip_echo_server_request(
ip_echo_server_addr: &SocketAddr,