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// Copyright 2017 rust-ipfs-api Developers
//
// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
// http://opensource.org/licenses/MIT>, at your option. This file may not be
// copied, modified, or distributed except according to those terms.
//
use crate::command::CliCommand;
use clap::App;
use futures::{Future, Stream};
use ipfs_api::response::DhtMessage;
fn print_dht_response<E>(res: DhtMessage) -> Result<(), E> {
println!();
println!(" id : {}", res.id);
println!(" type : {:?}", res.typ);
println!(" responses :");
for peer_res in res.responses {
println!(" id : {}", peer_res.id);
println!(" addrs :");
for addr in peer_res.addrs {
println!(" {}", addr);
}
println!();
}
println!(" extra : {}", res.extra);
println!();
Ok(())
}
pub struct Command;
impl CliCommand for Command {
const NAME: &'static str = "dht";
fn signature<'a, 'b>() -> App<'a, 'b> {
clap_app!(
@subcommand dht =>
(@setting SubcommandRequiredElseHelp)
(@subcommand findpeer =>
(about: "Query the DHT for all of the multiaddresses associated with a Peer ID")
(@arg PEER: +required "Peer to search for")
)
(@subcommand findprovs =>
(about: "Find peers in the DHT that can provide the given key")
(@arg KEY: +required "Key to search for")
)
(@subcommand get =>
(about: "Given a key, query the DHT for its best value")
(@arg KEY: +required "The key search for")
)
(@subcommand provide =>
(about: "Announce to the network that you are providing the given values")
(@arg KEY: +required "The key you are providing")
)
(@subcommand put =>
(about: "Write a key/value pair to the DHT")
(@arg KEY: +required "The key to store the value at")
(@arg VALUE: +required "The value to store")
)
(@subcommand query =>
(about: "Find the closest peer to a given peer by querying the DHT")
(@arg PEER: +required "The peer to run the query against")
)
)
}
handle!(
client;
("findpeer", args) => {
let peer = args.value_of("PEER").unwrap();
client.dht_findpeer(peer).for_each(print_dht_response)
},
("findprovs", args) => {
let key = args.value_of("KEY").unwrap();
client.dht_findprovs(key).for_each(print_dht_response)
},
("get", args) => {
let key = args.value_of("KEY").unwrap();
client.dht_get(key).for_each(print_dht_response)
},
("provide", args) => {
let key = args.value_of("KEY").unwrap();
client.dht_provide(&key).for_each(print_dht_response)
},
("put", args) => {
let key = args.value_of("KEY").unwrap();
let val = args.value_of("VALUE").unwrap();
client.dht_put(key, val).for_each(print_dht_response)
},
("query", args) => {
let peer = args.value_of("PEER").unwrap();
client.dht_query(peer).for_each(print_dht_response)
}
);
}
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