Hugh KaznowskiandClaude Sonnet 5
284e3562a2
Centralizes engine tuning values, poll intervals, logfmt column regex fragments, and app/settings identity strings that were previously defined ad hoc across engine.rs, ingest.rs, logfmt.rs, profile.rs, settings.rs, and main.rs. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01A1ZJ3SrayzLzVndhVq9BmS
55 lines
2.5 KiB
Rust
55 lines
2.5 KiB
Rust
use std::time::Duration;
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// mpsc channel capacity between ingest/API callers and the engine actor task.
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pub const ENGINE_CHANNEL_CAPACITY: usize = 1024;
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// Hard ceiling on how many params `auto_declare_params` will ever create automatically over the
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// life of the engine, so one unusual input can't inflate the declared-param set forever.
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pub const MAX_AUTO_DECLARED_PARAMS: usize = 64;
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// Per-line ceiling on how many *new* params a single ingested line may contribute to the
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// auto-derived set, so one unusually wide line can't burn the whole per-run budget at once.
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pub const MAX_NEW_AUTO_PARAMS_PER_LINE: usize = 8;
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// How long a sort helper index may sit unused before it's purged and left to rebuild on demand.
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pub const SORT_HELPER_INDEX_PURGE_AFTER: Duration = Duration::from_secs(300);
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// Window and capacity for the rolling ingestion-to-engine-processing lag high watermark.
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pub const INGEST_LAG_WATERMARK_WINDOW_MS: i64 = 5000;
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pub const INGEST_LAG_WATERMARK_MAX_ENTRIES: usize = 5;
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// Bucket width used to merge multiple sub-series into one combined time series.
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pub const MERGE_WINDOW_MS: i64 = 1_000;
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// Default timeline query bucket width when the caller doesn't specify one.
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pub const DEFAULT_TIMELINE_BUCKET_MS: i64 = 1_000;
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// Reserved param names usable without declaring anything (ottyl-synthesized columns).
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pub const OTTYL_RESERVED_PARAM_NAMES: [&str; 3] = ["ottyl_seq", "ottyl_ts", "ottyl_fmt"];
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// Idle poll cadence while tailing stdin/a file for new log lines.
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pub const STDIN_POLL_INTERVAL: Duration = Duration::from_millis(200);
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// Poll cadence for a configured Prometheus/OpenMetrics `--metrics-url`.
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pub const METRICS_POLL_INTERVAL: Duration = Duration::from_secs(15);
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// Column-splitting regex fragments for the fixed-width logfmt column parser.
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pub const COLUMN_SEPARATOR_PATTERN: &str = r"(?:\t|[ \t]{2,})";
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pub const COLUMN_VALUE_PATTERN: &str = r"\S+(?: \S+)*";
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// Name of the always-present profile every Settings file is seeded with.
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pub const DEFAULT_PROFILE_NAME: &str = "Default";
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// Name/label of the metric the Default profile is seeded with.
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pub const SEEDED_METRIC_NAME: &str = "log_category";
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pub const SEEDED_METRIC_LABEL: &str = "category";
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// Host the HTTP server binds to; port is user-configurable, host is not.
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pub const DEFAULT_BIND_HOST: &str = "0.0.0.0";
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// App identity used to resolve the OS-conventional settings directory, and the settings file name.
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pub const APP_QUALIFIER: &str = "";
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pub const APP_ORGANIZATION: &str = "";
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pub const APP_NAME: &str = "ottyl";
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pub const SETTINGS_FILE_NAME: &str = "settings.json";
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