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protocols/gossipsub: Rework connection keep-alive (#2043)

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Keep connections to peers in a mesh alive. Allow closing idle connections to
peers not in a mesh.

Co-authored-by: Max Inden <mail@max-inden.de>
This commit is contained in:
Age Manning
2021-05-14 17:16:50 +10:00
committed by GitHub
parent 9c5dd84099
commit c5bcada2c2
9 changed files with 589 additions and 253 deletions
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18
protocols/gossipsub/src/config.rs
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@ -65,6 +65,7 @@ pub struct GossipsubConfig {
fanout_ttl: Duration,
check_explicit_peers_ticks: u64,
max_transmit_size: usize,
idle_timeout: Duration,
duplicate_cache_time: Duration,
validate_messages: bool,
validation_mode: ValidationMode,
@ -181,6 +182,13 @@ impl GossipsubConfig {
self.max_transmit_size
}
/// The time a connection is maintained to a peer without being in the mesh and without
/// send/receiving a message from. Connections that idle beyond this timeout are disconnected.
/// Default is 120 seconds.
pub fn idle_timeout(&self) -> Duration {
self.idle_timeout
}
/// Duplicates are prevented by storing message id's of known messages in an LRU time cache.
/// This settings sets the time period that messages are stored in the cache. Duplicates can be
/// received if duplicate messages are sent at a time greater than this setting apart. The
@ -384,6 +392,7 @@ impl Default for GossipsubConfigBuilder {
fanout_ttl: Duration::from_secs(60),
check_explicit_peers_ticks: 300,
max_transmit_size: 65536,
idle_timeout: Duration::from_secs(120),
duplicate_cache_time: Duration::from_secs(60),
validate_messages: false,
validation_mode: ValidationMode::Strict,
@ -524,6 +533,14 @@ impl GossipsubConfigBuilder {
self
}
/// The time a connection is maintained to a peer without being in the mesh and without
/// send/receiving a message from. Connections that idle beyond this timeout are disconnected.
/// Default is 120 seconds.
pub fn idle_timeout(&mut self, idle_timeout: Duration) -> &mut Self {
self.config.idle_timeout = idle_timeout;
self
}
/// Duplicates are prevented by storing message id's of known messages in an LRU time cache.
/// This settings sets the time period that messages are stored in the cache. Duplicates can be
/// received if duplicate messages are sent at a time greater than this setting apart. The
@ -768,6 +785,7 @@ impl std::fmt::Debug for GossipsubConfig {
let _ = builder.field("heartbeat_interval", &self.heartbeat_interval);
let _ = builder.field("fanout_ttl", &self.fanout_ttl);
let _ = builder.field("max_transmit_size", &self.max_transmit_size);
let _ = builder.field("idle_timeout", &self.idle_timeout);
let _ = builder.field("duplicate_cache_time", &self.duplicate_cache_time);
let _ = builder.field("validate_messages", &self.validate_messages);
let _ = builder.field("validation_mode", &self.validation_mode);