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llmx/codex-rs/core/src/flags.rs

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use std::time::Duration;
use env_flags::env_flags;
env_flags! {
pub OPENAI_DEFAULT_MODEL: &str = "codex-mini-latest";
pub OPENAI_API_BASE: &str = "https://api.openai.com/v1";
/// Fallback when the provider-specific key is not set.
pub OPENAI_API_KEY: Option<&str> = None;
[codex-rs] Reliability pass on networking (#658) We currently see a behavior that looks like this: ``` 2025-04-25T16:52:24.552789Z WARN codex_core::codex: stream disconnected - retrying turn (1/10 in 232ms)... codex> event: BackgroundEvent { message: "stream error: stream disconnected before completion: Transport error: error decoding response body; retrying 1/10 in 232ms…" } 2025-04-25T16:52:54.789885Z WARN codex_core::codex: stream disconnected - retrying turn (2/10 in 418ms)... codex> event: BackgroundEvent { message: "stream error: stream disconnected before completion: Transport error: error decoding response body; retrying 2/10 in 418ms…" } ``` This PR contains a few different fixes that attempt to resolve/improve this: 1. **Remove overall client timeout.** I think [this](https://github.com/openai/codex/pull/658/files#diff-c39945d3c42f29b506ff54b7fa2be0795b06d7ad97f1bf33956f60e3c6f19c19L173) is perhaps the big fix -- it looks to me like this was actually timing out even if events were still coming through, and that was causing a disconnect right in the middle of a healthy stream. 2. **Cap response sizes.** We were frequently sending MUCH larger responses than the upstream typescript `codex`, and that was definitely not helping. [Fix here](https://github.com/openai/codex/pull/658/files#diff-d792bef59aa3ee8cb0cbad8b176dbfefe451c227ac89919da7c3e536a9d6cdc0R21-R26) for that one. 3. **Much higher idle timeout.** Our idle timeout value was much lower than typescript. 4. **Sub-linear backoff.** We were much too aggressively backing off, [this](https://github.com/openai/codex/pull/658/files#diff-5d5959b95c6239e6188516da5c6b7eb78154cd9cfedfb9f753d30a7b6d6b8b06R30-R33) makes it sub-exponential but maintains the jitter and such. I was seeing that `stream error: stream disconnected` behavior constantly, and anecdotally I can no longer reproduce. It feels much snappier.
2025-04-25 11:44:22 -07:00
pub OPENAI_TIMEOUT_MS: Duration = Duration::from_millis(300_000), |value| {
value.parse().map(Duration::from_millis)
};
/// Fixture path for offline tests (see client.rs).
pub CODEX_RS_SSE_FIXTURE: Option<&str> = None;
}