tokio() and SwarmBuilder

[fgtest1]

HI,
I am trying to solve the tokio configuration issue, below code generate and error which don't find a solution.
can someone assist with this thanks

Error
error[E0599]: no method named with_tokio found for struct SwarmBuilder<Provider, Phase> in the current scope
--> packages\core\src\network.rs:73:10
|
72 | let mut swarm = libp2p::SwarmBuilder::with_existing_identity(id_keys)
| ____________-
73 | | .with_tokio()
| | -^^^^^^^^^^ method not found in SwarmBuilder<NoProviderSpecified, ProviderPhase>
| ||

Cargo
using lipp2p (local )

[workspace.dependencies]
libp2p = { version = "0.56.1", path = "libp2p" }
libp2p-allow-block-list = { version = "0.6.0", path = "misc/allow-block-list" }
libp2p-autonat = { version = "0.15.0", path = "protocols/autonat" }

...

let mut swarm = libp2p::SwarmBuilder::with_existing_identity(id_keys)
    .with_tokio()
    .with_tcp(
        tcp::Config::default(),
        noise::Config::new,
        yamux::Config::default,
    )?
    .with_behaviour(|_| MyBehaviour {
        request_response,
        kademlia,
    })?
    .with_swarm_config(|c| c.with_idle_connection_timeout(Duration::from_secs(60)))
    .build();

//have the main.rs config
mod network;

use std::error::Error;

use futures::{prelude::*, StreamExt};
use libp2p::core::Multiaddr;
use tokio::task::spawn;
use tracing_subscriber::EnvFilter;

#[tokio::main]
async fn main() -> Result<(), Box> {
let _ = tracing_subscriber::fmt()
.with_env_filter(EnvFilter::from_default_env())
.try_init();

let (mut network_client, mut network_events, network_event_loop) =
    network::new(None).await?;

// Spawn the network task for it to run in the background.
spawn(network_event_loop.run());

// Listen on any address
network_client
    .start_listening("/ip4/0.0.0.0/tcp/0".parse()?)
    .await
    .expect("Listening not to fail.");
    
   ....

[elenaf9]

Hi @fgtest1, you need to enable the tokio feature for libp2p.

We don't have any default features configured, so you can either enable the full feature of libp2p to include all modules, or manually enable individual features for the different transport and behavior protocols that you want to use.

[fgtest1]

I got this configuration - and have tried ..with.tokio() vs .with.tokio_selector()..

root Cargo.toml
...
tokio = { version = "1.0", features = ["full"] }

libp2p = { path = "../rust-libp2p/libp2p", features = ["tcp", "noise", "yamux", "kad", "request-response", "macros", "cbor"] }
..

[dariusc93]

You want to add tokio feature to libp2p

libp2p = { path = "../rust-libp2p/libp2p", features = ["tcp", "noise", "yamux", "kad", "request-response", "macros", "cbor", "tokio"] }

[elenaf9]

You need to enable the tokio feature for the libp2p dependency, so

libp2p = { path = ..., features = ["tokio", ...] }

Edit: haha, @dariusc93 was faster.

[fgtest1]

Works - thank you all so much appreciate

added the tokio to the libp2p2
libp2p = { path = ..., features = ["tokio", ...] }

and remove the single line
tokio = { version = "1.0", features = ["full"] }