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arikawa/internal/lazytime/ticker.go
diamondburned 17b9c73ce3
gateway: Refactor for a better concurrent API
This commit refactors the whole package gateway as well as utils/ws
(formerly utils/wsutil) and voice/voicegateway. The new refactor
utilizes a design pattern involving a concurrent loop and an arriving
event channel.

An additional change was made to the way gateway events are typed.
Before, pretty much any type will satisfy a gateway event type, since
the actual type was just interface{}. The new refactor defines a
concrete interface that events can implement:

    type Event interface {
        Op() OpCode
        EventType() EventType
    }

Using this interface, the user can easily add custom gateway events
independently of the library without relying on string maps. This adds a
lot of type safety into the library and makes type-switching on Event
types much more reasonable.

Gateway error callbacks are also almost entirely removed in favor of
custom gateway events. A catch-all can easily be added like this:

    s.AddHandler(func(err error) {
        log.Println("gateway error:, err")
    })
2021-11-25 14:46:41 -08:00

31 lines
510 B
Go

package lazytime
import "time"
type Ticker struct {
C <-chan time.Time
ticker *time.Ticker
}
// Reset resets the ticker. If this is the first time calling, then a new timer
// is created.
func (t *Ticker) Reset(d time.Duration) {
if t.ticker == nil {
t.ticker = time.NewTicker(d)
t.C = t.ticker.C
} else {
t.ticker.Reset(d)
}
}
// Stop stops the ticker. If the ticker has never been used, then it does
// nothing.
func (t *Ticker) Stop() {
if t.ticker == nil {
return
}
t.ticker.Stop()
}