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Allow OneShotHandler's max_dial_negotiate limit to be configurable. (#1936)

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* Allow OneShotHandler's `max_dial_negotiate` limit to be configurable.

* Update version and CHANGELOG.,

Co-authored-by: Roman S. Borschel <roman@parity.io>
Co-authored-by: Roman Borschel <romanb@users.noreply.github.com>
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Oliver Wangler 2021-01-27 10:44:08 +01:00 committed by GitHub
parent ac9798297b
commit 8aeb7b3db0
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3 changed files with 10 additions and 5 deletions
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5
swarm/CHANGELOG.md
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@ -1,3 +1,8 @@
# 0.27.1 [unreleased]
- Make `OneShotHandler`s `max_dial_negotiate` limit configurable.
[PR 1936](https://github.com/libp2p/rust-libp2p/pull/1936).
# 0.27.0 [2021-01-12]
- Update dependencies.

2
swarm/Cargo.toml
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@ -2,7 +2,7 @@
name = "libp2p-swarm"
edition = "2018"
description = "The libp2p swarm"
version = "0.27.0"
version = "0.27.1"
authors = ["Parity Technologies <admin@parity.io>"]
license = "MIT"
repository = "https://github.com/libp2p/rust-libp2p"

8
swarm/src/protocols_handler/one_shot.rs
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@ -47,8 +47,6 @@ where
dial_queue: SmallVec<[TOutbound; 4]>,
/// Current number of concurrent outbound substreams being opened.
dial_negotiated: u32,
/// Maximum number of concurrent outbound substreams being opened. Value is never modified.
max_dial_negotiated: u32,
/// Value to return from `connection_keep_alive`.
keep_alive: KeepAlive,
/// The configuration container for the handler
@ -71,7 +69,6 @@ where
events_out: SmallVec::new(),
dial_queue: SmallVec::new(),
dial_negotiated: 0,
max_dial_negotiated: 8,
keep_alive: KeepAlive::Yes,
config,
}
@ -204,7 +201,7 @@ where
}
if !self.dial_queue.is_empty() {
if self.dial_negotiated < self.max_dial_negotiated {
if self.dial_negotiated < self.config.max_dial_negotiated {
self.dial_negotiated += 1;
let upgrade = self.dial_queue.remove(0);
return Poll::Ready(
@ -233,6 +230,8 @@ pub struct OneShotHandlerConfig {
pub keep_alive_timeout: Duration,
/// Timeout for outbound substream upgrades.
pub outbound_substream_timeout: Duration,
/// Maximum number of concurrent outbound substreams being opened.
pub max_dial_negotiated: u32,
}
impl Default for OneShotHandlerConfig {
@ -240,6 +239,7 @@ impl Default for OneShotHandlerConfig {
OneShotHandlerConfig {
keep_alive_timeout: Duration::from_secs(10),
outbound_substream_timeout: Duration::from_secs(10),
max_dial_negotiated: 8,
}
}
}