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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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8
net-utils/src/ip_echo_server.rs
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@@ -1,4 +1,4 @@
use crate::HEADER_LENGTH;
use crate::{ip_echo_server_reply_length, HEADER_LENGTH};
use bytes::Bytes;
use log::*;
use serde_derive::{Deserialize, Serialize};
@@ -177,11 +177,7 @@ pub fn ip_echo_server(tcp: std::net::TcpListener) -> IpEchoServer {
} else {
// "\0\0\0\0" header is added to ensure a valid response will never
// conflict with the first four bytes of a valid HTTP response.
let mut bytes = vec![
0;
HEADER_LENGTH + bincode::serialized_size(&peer_addr.ip()).unwrap()
as usize
];
let mut bytes = vec![0u8; ip_echo_server_reply_length()];
bincode::serialize_into(&mut bytes[HEADER_LENGTH..], &peer_addr.ip())
.unwrap();
Ok(Bytes::from(bytes))