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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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8
protocols/identify/src/identify.rs
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@ -30,6 +30,7 @@ use libp2p_core::{
upgrade::{ReadOneError, UpgradeError}
};
use libp2p_swarm::{
AddressScore,
NegotiatedSubstream,
NetworkBehaviour,
NetworkBehaviourAction,
@ -47,6 +48,10 @@ use std::{
/// Network behaviour that automatically identifies nodes periodically, returns information
/// about them, and answers identify queries from other nodes.
///
/// All external addresses of the local node supposedly observed by remotes
/// are reported via [`NetworkBehaviourAction::ReportObservedAddr`] with a
/// [score](AddressScore) of `1`.
pub struct Identify {
/// Protocol version to send back to remotes.
protocol_version: String,
@ -143,6 +148,7 @@ impl NetworkBehaviour for Identify {
self.events.push_back(
NetworkBehaviourAction::ReportObservedAddr {
address: remote.observed_addr,
score: AddressScore::Finite(1),
});
}
IdentifyHandlerEvent::Identify(sender) => {
@ -187,7 +193,7 @@ impl NetworkBehaviour for Identify {
.map(|p| String::from_utf8_lossy(&p).to_string())
.collect();
let mut listen_addrs: Vec<_> = params.external_addresses().collect();
let mut listen_addrs: Vec<_> = params.external_addresses().map(|r| r.addr).collect();
listen_addrs.extend(params.listened_addresses());
let mut sending = 0;