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path: root/ipfs-api/examples/ping_peer.rs
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extern crate futures;
extern crate ipfs_api;
extern crate tokio_core;

use futures::stream::Stream;
use ipfs_api::IpfsClient;
use tokio_core::reactor::Core;


// Creates an Ipfs client, discovers a connected peer, and pings it using the
// streaming Api, and by collecting it into a collection.
//
fn main() {
    if let Ok(mut core) = Core::new() {
        println!("connecting to localhost:5001...");

        let client =
            IpfsClient::new(&core.handle(), "localhost", 5001).expect("expected a valid url");

        println!("");
        println!("discovering connected peers...");

        let connected = client.swarm_peers();
        let connected = core.run(connected).expect("expected a valid response");

        let peer = connected.peers.iter().next().expect(
            "expected at least one peer",
        );

        println!("");
        println!("discovered peer ({})", peer.peer);
        println!("");
        println!("streaming 10 pings...");
        let req = client.ping(&peer.peer[..], Some(10));

        core.run(req.for_each(|ping| {
            println!("{:?}", ping);
            Ok(())
        })).expect("expected a valid response");

        println!("");
        println!("gathering 15 pings...");

        let req = client.ping(&peer.peer[..], Some(15));
        let pings: Vec<_> = core.run(req.collect()).expect("expected a valid response");

        for ping in pings.iter() {
            println!("got response ({:?}) in ({})...", ping.text, ping.time);
        }
    } else {
        println!("failed to create event loop");
    }
}