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delete entries from the cache when the TTL expires - #6
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I would have done this slightly differently, but either way works.
| }, nil | ||
| } | ||
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| var cleanupFreq = 10 * time.Second |
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Nit: can probably be on the order of minutes. But not really an issue any which way.
| sentEntries = make(map[string]*ServiceEntry) | ||
| var entries map[string]*ServiceEntry | ||
| c.sentEntries = make(map[string]*ServiceEntry) | ||
| go c.cleanupSentEntries(ctx) |
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nit: consider doing this inline? There's no real reason to have another loop, and it saves us a lock & shared state.
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That's more than just a nit. That's a major simplification!
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nit == not really necessary but maybe nice to have. But yeah, it's cleaner now.
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Rebased on top of #9, which (among other things) implements a clean shutdown. This fixes the race conditions we encountered earlier with this PR. |
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This is a copy of grandcat#93.
Instead of saving the TTL value (an integer, measuring the time in seconds), we now save the expiry timestamp for every response we receive. A "cleanup" go routine then goes through our cache every 10s and removes entries that have expired.
@Stebalien, could you review this PR?