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feat(networking): QUIC receive window override env #2605

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merged 1 commit into from
Jan 8, 2025
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feat(networking): QUIC receive window override env #2605

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17 changes: 16 additions & 1 deletion ant-networking/src/transport.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,8 @@ use libp2p::{
PeerId, Transport as _,
};

const MAX_STREAM_DATA_ENV_STR: &str = "ANT_MAX_STREAM_DATA";

pub(crate) fn build_transport(
keypair: &Keypair,
#[cfg(feature = "open-metrics")] registries: &mut MetricsRegistries,
Expand All @@ -30,5 +32,18 @@ pub(crate) fn build_transport(
fn generate_quic_transport(
keypair: &Keypair,
) -> libp2p::quic::GenTransport<libp2p::quic::tokio::Provider> {
libp2p::quic::tokio::Transport::new(libp2p::quic::Config::new(keypair))
let mut quic_config = libp2p::quic::Config::new(keypair);
if let Ok(val) = std::env::var(MAX_STREAM_DATA_ENV_STR) {
match val.parse::<u32>() {
Ok(val) => {
quic_config.max_stream_data = val;
tracing::info!("Overriding QUIC connection receive window value to {val}");
}
Err(e) => {
tracing::warn!("QUIC connection receive window value override failed. Could not parse `{MAX_STREAM_DATA_ENV_STR}={val}` as integer: {e}")
}
}
}

libp2p::quic::tokio::Transport::new(quic_config)
}
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