40 lines
1.1 KiB
Go
40 lines
1.1 KiB
Go
package rpc
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import "time"
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// Metrics 接收 RPC 业务层指标。默认 NopMetrics，后续可对接 Prometheus。
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type Metrics interface {
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MessageSend(d time.Duration, duplicate bool, err error)
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MessageRateLimited(retryAfterSeconds int)
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OutboxClaimed(count int)
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OutboxDelivered(d time.Duration)
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OutboxFailed(err error)
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PresenceLastSeenBatch(count int, d time.Duration, err error)
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PresenceLastSeenSubmitted()
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PresenceLastSeenPending(delta int)
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PresenceLastSeenOverflow()
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PresenceLastSeenDrainDropped(count int)
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}
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// NopMetrics 是 Metrics 的空实现。
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type NopMetrics struct{}
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func (NopMetrics) MessageSend(time.Duration, bool, error) {}
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func (NopMetrics) MessageRateLimited(int) {}
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func (NopMetrics) OutboxClaimed(int) {}
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func (NopMetrics) OutboxDelivered(time.Duration) {}
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func (NopMetrics) OutboxFailed(error) {}
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func (NopMetrics) PresenceLastSeenBatch(int, time.Duration, error) {}
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func (NopMetrics) PresenceLastSeenSubmitted() {}
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func (NopMetrics) PresenceLastSeenPending(int) {}
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func (NopMetrics) PresenceLastSeenOverflow() {}
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func (NopMetrics) PresenceLastSeenDrainDropped(int) {}
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