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Merge #538
538: Add ping protocol to ensure connection is alive r=da-kami a=da-kami Fixes #532 Adds the ping behaviour to both ASB and CLI behaviour that periodically pings a connected party to ensure that the underlying network connection is still alive. This fixes problems with long-running connections that become dead without a connection closure being reported back to the swarm. Co-authored-by: Daniel Karzel <daniel@comit.network>
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commit
c164f3d1f5
@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
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## [Unreleased]
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### Fixed
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- An issue where long-running connections are dead without a connection closure being reported back to the swarm.
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Adding a periodic ping ensures that the connection is kept alive, and a broken connection is reported back resulting in a close event on the swarm.
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This fixes the error of the ASB being unable to send a transfer proof to the CLI.
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## [0.6.0] - 2021-05-24
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### Added
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16
Cargo.lock
generated
16
Cargo.lock
generated
@ -1767,6 +1767,7 @@ dependencies = [
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"libp2p-dns",
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"libp2p-mplex",
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"libp2p-noise",
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"libp2p-ping",
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"libp2p-request-response",
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"libp2p-swarm",
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"libp2p-swarm-derive",
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@ -1876,6 +1877,21 @@ dependencies = [
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"zeroize",
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]
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[[package]]
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name = "libp2p-ping"
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version = "0.29.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bf4bfaffac63bf3c7ec11ed9d8879d455966ddea7e78ee14737f0b6dce0d1cd1"
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dependencies = [
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"futures",
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"libp2p-core",
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"libp2p-swarm",
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"log 0.4.14",
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"rand 0.7.3",
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"void",
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"wasm-timer",
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]
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[[package]]
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name = "libp2p-request-response"
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version = "0.11.0"
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@ -29,7 +29,7 @@ ecdsa_fun = { git = "https://github.com/LLFourn/secp256kfun", features = [ "libs
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ed25519-dalek = "1"
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futures = { version = "0.3", default-features = false }
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itertools = "0.10"
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libp2p = { version = "0.38", default-features = false, features = [ "tcp-tokio", "yamux", "mplex", "dns-tokio", "noise", "request-response", "websocket" ] }
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libp2p = { version = "0.38", default-features = false, features = [ "tcp-tokio", "yamux", "mplex", "dns-tokio", "noise", "request-response", "websocket", "ping" ] }
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libp2p-async-await = { git = "https://github.com/comit-network/rust-libp2p-async-await" }
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miniscript = { version = "5", features = [ "serde" ] }
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monero = { version = "0.12", features = [ "serde_support" ] }
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@ -4,6 +4,7 @@ use crate::protocol::alice::event_loop::LatestRate;
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use crate::protocol::alice::{execution_setup, spot_price, State3};
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use crate::{env, monero};
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use anyhow::{anyhow, Error};
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use libp2p::ping::{Ping, PingEvent};
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use libp2p::request_response::{RequestId, ResponseChannel};
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use libp2p::{NetworkBehaviour, PeerId};
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use uuid::Uuid;
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@ -75,6 +76,11 @@ where
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pub execution_setup: execution_setup::Behaviour,
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pub transfer_proof: transfer_proof::Behaviour,
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pub encrypted_signature: encrypted_signature::Behaviour,
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/// Ping behaviour that ensures that the underlying network connection is
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/// still alive. If the ping fails a connection close event will be
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/// emitted that is picked up as swarm event.
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ping: Ping,
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}
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impl<LR> Behaviour<LR>
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@ -104,6 +110,13 @@ where
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execution_setup: Default::default(),
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transfer_proof: transfer_proof::alice(),
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encrypted_signature: encrypted_signature::alice(),
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ping: Ping::default(),
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}
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}
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}
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impl From<PingEvent> for OutEvent {
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fn from(_: PingEvent) -> Self {
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OutEvent::Other
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}
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}
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@ -4,6 +4,7 @@ use crate::protocol::bob;
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use crate::protocol::bob::{execution_setup, State2};
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use anyhow::{anyhow, Error, Result};
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use libp2p::core::Multiaddr;
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use libp2p::ping::{Ping, PingEvent};
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use libp2p::request_response::{RequestId, ResponseChannel};
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use libp2p::{NetworkBehaviour, PeerId};
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use std::time::Duration;
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@ -66,6 +67,11 @@ pub struct Behaviour {
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pub transfer_proof: transfer_proof::Behaviour,
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pub encrypted_signature: encrypted_signature::Behaviour,
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pub redial: redial::Behaviour,
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/// Ping behaviour that ensures that the underlying network connection is
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/// still alive. If the ping fails a connection close event will be
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/// emitted that is picked up as swarm event.
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ping: Ping,
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}
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impl Behaviour {
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@ -77,6 +83,7 @@ impl Behaviour {
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transfer_proof: transfer_proof::bob(),
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encrypted_signature: encrypted_signature::bob(),
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redial: redial::Behaviour::new(alice, Duration::from_secs(2)),
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ping: Ping::default(),
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}
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}
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@ -88,3 +95,9 @@ impl Behaviour {
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self.encrypted_signature.add_address(&peer_id, address);
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}
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}
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impl From<PingEvent> for OutEvent {
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fn from(_: PingEvent) -> Self {
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OutEvent::Other
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}
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}
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