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Add async version of parse_and_resolve_peer_addr

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Alex 2022-09-14 15:45:05 +02:00
parent 8ac109e3a8
commit 1a413eef97
Signed by untrusted user: lx
GPG key ID: 0E496D15096376BE
2 changed files with 18 additions and 2 deletions
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2
Cargo.toml
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@ -1,6 +1,6 @@
[package] [package]
name = "netapp" name = "netapp"
version = "0.5.0" version = "0.5.1"
authors = ["Alex Auvolat <alex@adnab.me>"] authors = ["Alex Auvolat <alex@adnab.me>"]
edition = "2018" edition = "2018"
license-file = "LICENSE" license-file = "LICENSE"

18
src/util.rs
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@ -1,5 +1,4 @@
use std::net::SocketAddr; use std::net::SocketAddr;
use std::net::ToSocketAddrs;
use log::info; use log::info;
use serde::Serialize; use serde::Serialize;
@ -71,6 +70,8 @@ pub fn parse_peer_addr(peer: &str) -> Option<(NodeID, SocketAddr)> {
/// Parse and resolve a peer's address including public key, written in the format: /// Parse and resolve a peer's address including public key, written in the format:
/// `<public key hex>@<ip or hostname>:<port>` /// `<public key hex>@<ip or hostname>:<port>`
pub fn parse_and_resolve_peer_addr(peer: &str) -> Option<(NodeID, Vec<SocketAddr>)> { pub fn parse_and_resolve_peer_addr(peer: &str) -> Option<(NodeID, Vec<SocketAddr>)> {
use std::net::ToSocketAddrs;
let delim = peer.find('@')?; let delim = peer.find('@')?;
let (key, host) = peer.split_at(delim); let (key, host) = peer.split_at(delim);
let pubkey = NodeID::from_slice(&hex::decode(&key).ok()?)?; let pubkey = NodeID::from_slice(&hex::decode(&key).ok()?)?;
@ -80,3 +81,18 @@ pub fn parse_and_resolve_peer_addr(peer: &str) -> Option<(NodeID, Vec<SocketAddr
} }
Some((pubkey, hosts)) Some((pubkey, hosts))
} }
/// async version of parse_and_resolve_peer_addr
pub async fn parse_and_resolve_peer_addr_async(peer: &str) -> Option<(NodeID, Vec<SocketAddr>)> {
let delim = peer.find('@')?;
let (key, host) = peer.split_at(delim);
let pubkey = NodeID::from_slice(&hex::decode(&key).ok()?)?;
let hosts = tokio::net::lookup_host(&host[1..])
.await
.ok()?
.collect::<Vec<_>>();
if hosts.is_empty() {
return None;
}
Some((pubkey, hosts))
}