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// Copyright 2019-2026 ChainSafe Systems
// SPDX-License-Identifier: Apache-2.0, MIT
use crate::libp2p::{Multiaddr, Protocol};
use crate::rpc::{self, net::AddrInfo, prelude::*};
use ahash::{HashMap, HashSet};
use cid::multibase;
use clap::Subcommand;
use itertools::Itertools;
use crate::cli::subcommands::cli_error_and_die;
#[derive(Debug, Subcommand)]
pub enum NetCommands {
/// Lists `libp2p` swarm listener addresses
Listen,
/// Lists `libp2p` swarm network info
Info,
/// Lists `libp2p` swarm peers
Peers {
/// Print agent name
#[arg(short, long)]
agent: bool,
},
/// Connects to a peer by its peer ID and multi-addresses
Connect {
/// Multi-address (with `/p2p/` protocol)
address: String,
},
/// Disconnects from a peer by it's peer ID
Disconnect {
/// Peer ID to disconnect from
id: String,
},
/// Print information about reachability from the internet
Reachability,
}
impl NetCommands {
pub async fn run(self, client: rpc::Client) -> anyhow::Result<()> {
match self {
Self::Listen => {
let info = NetAddrsListen::call(&client, ()).await?;
let addresses: Vec<String> = info
.addrs
.iter()
.map(|addr| format!("{}/p2p/{}", addr, info.id))
.collect();
println!("{}", addresses.join("\n"));
Ok(())
}
Self::Info => {
let info = NetInfo::call(&client, ()).await?;
println!("forest libp2p swarm info:");
println!("num peers: {}", info.num_peers);
println!("num connections: {}", info.num_connections);
println!("num pending: {}", info.num_pending);
println!("num pending incoming: {}", info.num_pending_incoming);
println!("num pending outgoing: {}", info.num_pending_outgoing);
println!("num established: {}", info.num_established);
Ok(())
}
Self::Peers { agent } => {
let addrs = NetPeers::call(&client, ()).await?;
let peer_to_agents: HashMap<String, String> = if agent {
let agents = futures::future::join_all(
addrs
.iter()
.map(|info| NetAgentVersion::call(&client, (info.id.clone(),))),
)
.await
.into_iter()
.map(|res| res.unwrap_or_else(|_| "<agent unknown>".to_owned()));
HashMap::from_iter(addrs.iter().map(|info| info.id.to_owned()).zip(agents))
} else {
HashMap::default()
};
let output: Vec<String> = addrs
.into_iter()
.filter_map(|info| {
let addresses: Vec<String> = info
.addrs
.into_iter()
.filter(|addr| match addr.iter().next().unwrap() {
Protocol::Ip4(ip_addr) => !ip_addr.is_loopback(),
Protocol::Ip6(ip_addr) => !ip_addr.is_loopback(),
_ => true,
})
.map(|addr| addr.to_string())
.unique()
.collect();
if addresses.is_empty() {
return None;
}
let result = format!("{}, [{}]", info.id, addresses.join(", "));
if agent {
Some(
[
result,
peer_to_agents
.get(&info.id)
.cloned()
.unwrap_or_else(|| "<agent unknown>".to_owned()),
]
.join(", "),
)
} else {
Some(result)
}
})
.collect();
println!("{}", output.join("\n"));
Ok(())
}
Self::Connect { address } => {
let addr: Multiaddr = address
.parse()
.map_err(|e| {
cli_error_and_die(format!("Error parsing multiaddr. Error was: {e}"), 1);
})
.expect("Parse provided multiaddr from string");
let mut id = "".to_owned();
for protocol in addr.iter() {
if let Protocol::P2p(p2p) = protocol {
id = multibase::encode(multibase::Base::Base58Btc, p2p.to_bytes());
id = id.split_off(1);
}
}
if id.is_empty() {
cli_error_and_die("Needs a /p2p/ protocol present in multiaddr", 1)
}
let addrs = HashSet::from_iter([addr]);
let addr_info = AddrInfo {
id: id.clone(),
addrs,
};
NetConnect::call(&client, (addr_info,)).await?;
println!("connect {id}: success");
Ok(())
}
Self::Disconnect { id } => {
NetDisconnect::call(&client, (id.clone(),)).await?;
println!("disconnect {id}: success");
Ok(())
}
Self::Reachability => {
let nat_status = NetAutoNatStatus::call(&client, ()).await?;
println!("AutoNAT status: {}", nat_status.reachability_as_str());
if let Some(public_addrs) = nat_status.public_addrs
&& !public_addrs.is_empty()
{
// Format is compatible with Go code:
// `fmt.Println("Public address:", []string{"foo", "bar"})`
println!("Public address: [{}]", public_addrs.join(" "));
}
Ok(())
}
}
}
}