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refactor account registration, add nick enforcement

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Shivaram Lingamneni 2018-02-11 05:30:40 -05:00
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DEVELOPING.md
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@ -98,7 +98,7 @@ In consequence, there is a lot of state (in particular, server and channel state
There are some mutexes that are "tier 0": anything in a subpackage of `irc` (e.g., `irc/logger` or `irc/connection_limits`) shouldn't acquire mutexes defined in `irc`.
We are using `buntdb` for persistence; a `buntdb.DB` has an `RWMutex` inside it, with read-write transactions getting the `Lock()` and read-only transactions getting the `RLock()`. We haven't completely decided where this lock fits into the overall lock model. For now, it's probably better to err on the side of caution: if possible, don't acquire new locks inside the `buntdb` transaction, and be careful about what locks are held around the transaction as well.
We are using `buntdb` for persistence; a `buntdb.DB` has an `RWMutex` inside it, with read-write transactions getting the `Lock()` and read-only transactions getting the `RLock()`. This mutex is considered tier 1. However, it's shared globally across all consumers, so if possible you should avoid acquiring it while holding ordinary application-level mutexes.
## Command handlers and ResponseBuffer