1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
use std::io::Write;
use std::sync::Arc;
use std::time::Duration;
use log::{debug, info, warn};
use async_trait::async_trait;
use serde::{Deserialize, Serialize};
use structopt::StructOpt;
use sodiumoxide::crypto::auth;
use sodiumoxide::crypto::sign::ed25519;
use tokio::sync::watch;
use netapp::endpoint::*;
use netapp::message::*;
use netapp::peering::basalt::*;
use netapp::util::parse_peer_addr;
use netapp::{NetApp, NodeID};
#[derive(StructOpt, Debug)]
#[structopt(name = "netapp")]
pub struct Opt {
#[structopt(long = "network-key", short = "n")]
network_key: Option<String>,
#[structopt(long = "private-key", short = "p")]
private_key: Option<String>,
#[structopt(long = "bootstrap-peer", short = "b")]
bootstrap_peers: Vec<String>,
#[structopt(long = "listen-addr", short = "l", default_value = "127.0.0.1:1980")]
listen_addr: String,
#[structopt(long = "public-addr", short = "a")]
public_addr: Option<String>,
#[structopt(long = "view-size", short = "v", default_value = "100")]
view_size: usize,
#[structopt(long = "cache-size", short = "c", default_value = "1000")]
cache_size: usize,
#[structopt(long = "exchange-interval-secs", short = "x", default_value = "1")]
exchange_interval: u64,
#[structopt(long = "reset-interval-secs", short = "r", default_value = "10")]
reset_interval: u64,
#[structopt(long = "reset-count", short = "k", default_value = "20")]
reset_count: usize,
}
struct Example {
netapp: Arc<NetApp>,
basalt: Arc<Basalt>,
example_endpoint: Arc<Endpoint<ExampleMessage, Self>>,
}
#[tokio::main]
async fn main() {
env_logger::Builder::new()
.parse_env("RUST_LOG")
.format(|buf, record| {
writeln!(
buf,
"{} {} {} {}",
chrono::Local::now().format("%s%.6f"),
record.module_path().unwrap_or("_"),
record.level(),
record.args()
)
})
.init();
let opt = Opt::from_args();
let netid = match &opt.network_key {
Some(k) => auth::Key::from_slice(&hex::decode(k).unwrap()).unwrap(),
None => auth::gen_key(),
};
info!("KYEV NK {}", hex::encode(&netid));
let privkey = match &opt.private_key {
Some(k) => ed25519::SecretKey::from_slice(&hex::decode(k).unwrap()).unwrap(),
None => {
let (_pk, sk) = ed25519::gen_keypair();
sk
}
};
info!("KYEV SK {}", hex::encode(&privkey));
info!("KYEV PK {}", hex::encode(&privkey.public_key()));
let netapp = NetApp::new(0u64, netid, privkey);
let mut bootstrap_peers = vec![];
for peer in opt.bootstrap_peers.iter() {
bootstrap_peers.push(parse_peer_addr(peer).expect("Invalid peer address"));
}
let basalt_params = BasaltParams {
view_size: opt.view_size,
cache_size: opt.cache_size,
exchange_interval: Duration::from_secs(opt.exchange_interval),
reset_interval: Duration::from_secs(opt.reset_interval),
reset_count: opt.reset_count,
};
let basalt = Basalt::new(netapp.clone(), bootstrap_peers, basalt_params);
let example = Arc::new(Example {
netapp: netapp.clone(),
basalt,
example_endpoint: netapp.endpoint("__netapp/examples/basalt.rs/Example".into()),
});
example.example_endpoint.set_handler(example.clone());
let listen_addr = opt.listen_addr.parse().unwrap();
let public_addr = opt.public_addr.map(|x| x.parse().unwrap());
let watch_cancel = netapp::util::watch_ctrl_c();
tokio::join!(
example.clone().sampling_loop(watch_cancel.clone()),
example
.netapp
.clone()
.listen(listen_addr, public_addr, watch_cancel.clone()),
example.basalt.clone().run(watch_cancel.clone()),
);
}
impl Example {
async fn sampling_loop(self: Arc<Self>, must_exit: watch::Receiver<bool>) {
while !*must_exit.borrow() {
tokio::time::sleep(Duration::from_secs(10)).await;
let peers = self.basalt.sample(10);
for p in peers {
debug!("kyev S {}", hex::encode(p));
let self2 = self.clone();
tokio::spawn(async move {
match self2
.example_endpoint
.call(&p, ExampleMessage { example_field: 42 }, PRIO_NORMAL)
.await
{
Ok(resp) => debug!("Got example response: {:?}", resp),
Err(e) => warn!("Error with example request: {}", e),
}
});
}
}
}
}
#[async_trait]
impl EndpointHandler<ExampleMessage> for Example {
async fn handle(
self: &Arc<Self>,
msg: Req<ExampleMessage>,
_from: NodeID,
) -> Resp<ExampleMessage> {
debug!("Got example message: {:?}, sending example response", msg);
Resp::new(ExampleResponse {
example_field: false,
})
}
}
#[derive(Serialize, Deserialize, Debug)]
struct ExampleMessage {
example_field: usize,
}
#[derive(Serialize, Deserialize, Debug)]
struct ExampleResponse {
example_field: bool,
}
impl Message for ExampleMessage {
type Response = ExampleResponse;
}
|
