50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
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package ai
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import (
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"context"
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"github.com/host-uk/core/pkg/log"
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"github.com/host-uk/core/pkg/ratelimit"
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)
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// executeWithRateLimit wraps an agent execution with rate limiting logic.
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// It estimates token usage, waits for capacity, executes the runner, and records usage.
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func executeWithRateLimit(ctx context.Context, model, prompt string, runner func() (bool, int, error)) (bool, int, error) {
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rl, err := ratelimit.New()
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if err != nil {
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log.Warn("Failed to initialize rate limiter, proceeding without limits", "error", err)
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return runner()
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}
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if err := rl.Load(); err != nil {
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log.Warn("Failed to load rate limit state", "error", err)
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}
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// Estimate tokens from prompt length (1 token ≈ 4 chars)
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estTokens := len(prompt) / 4
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if estTokens == 0 {
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estTokens = 1
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}
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log.Info("Checking rate limits", "model", model, "est_tokens", estTokens)
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if err := rl.WaitForCapacity(ctx, model, estTokens); err != nil {
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return false, -1, err
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}
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success, exitCode, runErr := runner()
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// Record usage with conservative output estimate (actual tokens unknown from shell runner).
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outputEst := estTokens / 10
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if outputEst < 50 {
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outputEst = 50
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}
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rl.RecordUsage(model, estTokens, outputEst)
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if err := rl.Persist(); err != nil {
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log.Warn("Failed to persist rate limit state", "error", err)
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}
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return success, exitCode, runErr
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}
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