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Take care of TOKIO_CONSOLE_BUFFER_CAPACITY and set it on Builder::with_default_env #568

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merged 1 commit into from
Jul 5, 2024
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Take care of TOKIO_CONSOLE_BUFFER_CAPACITY and set it on Builder::with_default_env #568

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15 changes: 15 additions & 0 deletions console-subscriber/src/builder.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -333,6 +333,10 @@ impl Builder {
self.recording_path = Some(path.into());
}

if let Some(capacity) = usize_from_env("TOKIO_CONSOLE_BUFFER_CAPACITY") {
self.event_buffer_capacity = capacity;
}

self
}

Expand Down Expand Up @@ -765,3 +769,14 @@ fn duration_from_env(var_name: &str) -> Option<Duration> {
),
}
}

fn usize_from_env(var_name: &str) -> Option<usize> {
let var = std::env::var(var_name).ok()?;
match var.parse::<usize>() {
Ok(num) => Some(num),
Err(e) => panic!(
"failed to parse a usize from `{}={:?}`: {}",
var_name, var, e
),
}
}
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