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[swarm] Configurable and "infinite" scores for external addresses. (#1842)

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* Add "infinite" scores for external addresses.

Extend address scores with an infinite cardinal, permitting
addresses to be retained "forever" or until explicitly removed.

Expose (external) address scores on the API.

* Update swarm/src/registry.rs

Co-authored-by: Pierre Krieger <pierre.krieger1708@gmail.com>

* Fix compilation.

* Update CHANGELOG

Co-authored-by: Pierre Krieger <pierre.krieger1708@gmail.com>
This commit is contained in:
Roman Borschel
2020-11-18 15:52:33 +01:00
committed by GitHub
parent edb99eded6
commit 1bd013c843
9 changed files with 345 additions and 119 deletions
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20
swarm/src/behaviour.rs
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@ -18,6 +18,7 @@
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
use crate::{AddressScore, AddressRecord};
use crate::protocols_handler::{IntoProtocolsHandler, ProtocolsHandler};
use libp2p_core::{ConnectedPoint, Multiaddr, PeerId, connection::{ConnectionId, ListenerId}};
use std::{error, task::Context, task::Poll};
@ -182,7 +183,7 @@ pub trait PollParameters {
/// Iterator returned by [`listened_addresses`](PollParameters::listened_addresses).
type ListenedAddressesIter: ExactSizeIterator<Item = Multiaddr>;
/// Iterator returned by [`external_addresses`](PollParameters::external_addresses).
type ExternalAddressesIter: ExactSizeIterator<Item = Multiaddr>;
type ExternalAddressesIter: ExactSizeIterator<Item = AddressRecord>;
/// Returns the list of protocol the behaviour supports when a remote negotiates a protocol on
/// an inbound substream.
@ -269,8 +270,9 @@ pub enum NetworkBehaviourAction<TInEvent, TOutEvent> {
event: TInEvent,
},
/// Informs the `Swarm` about a multi-address observed by a remote for
/// the local node.
/// Informs the `Swarm` about an address observed by a remote for
/// the local node by which the local node is supposedly publicly
/// reachable.
///
/// It is advisable to issue `ReportObservedAddr` actions at a fixed frequency
/// per node. This way address information will be more accurate over time
@ -278,6 +280,10 @@ pub enum NetworkBehaviourAction<TInEvent, TOutEvent> {
ReportObservedAddr {
/// The observed address of the local node.
address: Multiaddr,
/// The score to associate with this observation, i.e.
/// an indicator for the trusworthiness of this address
/// relative to other observed addresses.
score: AddressScore,
},
}
@ -297,8 +303,8 @@ impl<TInEvent, TOutEvent> NetworkBehaviourAction<TInEvent, TOutEvent> {
handler,
event: f(event)
},
NetworkBehaviourAction::ReportObservedAddr { address } =>
NetworkBehaviourAction::ReportObservedAddr { address }
NetworkBehaviourAction::ReportObservedAddr { address, score } =>
NetworkBehaviourAction::ReportObservedAddr { address, score }
}
}
@ -313,8 +319,8 @@ impl<TInEvent, TOutEvent> NetworkBehaviourAction<TInEvent, TOutEvent> {
NetworkBehaviourAction::DialPeer { peer_id, condition },
NetworkBehaviourAction::NotifyHandler { peer_id, handler, event } =>
NetworkBehaviourAction::NotifyHandler { peer_id, handler, event },
NetworkBehaviourAction::ReportObservedAddr { address } =>
NetworkBehaviourAction::ReportObservedAddr { address }
NetworkBehaviourAction::ReportObservedAddr { address, score } =>
NetworkBehaviourAction::ReportObservedAddr { address, score }
}
}
}