Support for contexts #147
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Support for contexts #147
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anjmao
reviewed
Jul 31, 2022
| // Check if the context is expired. | ||
| select { | ||
| default: | ||
| case <-ctx.Done(): |
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This looks a bit useless. At this point there is no network call yet. Dial happens below in c.dial. You want to extend dial with custom dialer, see https://pkg.go.dev/net#Dialer.DialContext
anjmao
reviewed
Jul 31, 2022
| @@ -31,8 +32,8 @@ import ( | |||
| type ServerSelector interface { | |||
| // PickServer returns the server address that a given item | |||
| // should be shared onto. | |||
| PickServer(key string) (net.Addr, error) | |||
| Each(func(net.Addr) error) error | |||
| PickServer(ctx context.Context, key string) (net.Addr, error) | |||
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- This is breaking change. I doubt it can be accepted.
- Wonder what is the use case to add context for these methods. You can have background goroutine which updates servers list if needed. Current implementation also indicates that context is not needed.
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This MR, which pretty much adds contexts to all exported methods, allows us to use that information not only in the main library component but also in custom server list, which then can be used for other stuff such as instrumentation for new relic, which was the original objective for which I forked the library.