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

use super::*;
use crate::bandwidth::BandwidthSinks;
use crate::transport_ext::TransportExt;
use crate::SwarmBuilder;
use std::marker::PhantomData;
use std::sync::Arc;

pub struct BandwidthLoggingPhase<T, R> {
    pub(crate) relay_behaviour: R,
    pub(crate) transport: T,
}

impl<T: AuthenticatedMultiplexedTransport, Provider, R>
    SwarmBuilder<Provider, BandwidthLoggingPhase<T, R>>
{
    pub fn with_bandwidth_logging(
        self,
    ) -> (
        SwarmBuilder<Provider, BehaviourPhase<impl AuthenticatedMultiplexedTransport, R>>,
        Arc<BandwidthSinks>,
    ) {
        let (transport, sinks) = self.phase.transport.with_bandwidth_logging();
        (
            SwarmBuilder {
                phase: BehaviourPhase {
                    relay_behaviour: self.phase.relay_behaviour,
                    transport,
                },
                keypair: self.keypair,
                phantom: PhantomData,
            },
            sinks,
        )
    }

    pub fn without_bandwidth_logging(self) -> SwarmBuilder<Provider, BehaviourPhase<T, R>> {
        SwarmBuilder {
            phase: BehaviourPhase {
                relay_behaviour: self.phase.relay_behaviour,
                transport: self.phase.transport,
            },
            keypair: self.keypair,
            phantom: PhantomData,
        }
    }
}

// Shortcuts
#[cfg(feature = "relay")]
impl<Provider, T: AuthenticatedMultiplexedTransport>
    SwarmBuilder<Provider, BandwidthLoggingPhase<T, libp2p_relay::client::Behaviour>>
{
    pub fn with_behaviour<B, R: TryIntoBehaviour<B>>(
        self,
        constructor: impl FnOnce(&libp2p_identity::Keypair, libp2p_relay::client::Behaviour) -> R,
    ) -> Result<SwarmBuilder<Provider, SwarmPhase<T, B>>, R::Error> {
        self.without_bandwidth_logging().with_behaviour(constructor)
    }
}

impl<Provider, T: AuthenticatedMultiplexedTransport>
    SwarmBuilder<Provider, BandwidthLoggingPhase<T, NoRelayBehaviour>>
{
    pub fn with_behaviour<B, R: TryIntoBehaviour<B>>(
        self,
        constructor: impl FnOnce(&libp2p_identity::Keypair) -> R,
    ) -> Result<SwarmBuilder<Provider, SwarmPhase<T, B>>, R::Error> {
        self.without_bandwidth_logging().with_behaviour(constructor)
    }
}