/usr/share/gocode/src/github.com/hashicorp/memberlist/ping_delegate.go is in golang-github-hashicorp-memberlist-dev 0.1.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 | package memberlist
import "time"
// PingDelegate is used to notify an observer how long it took for a ping message to
// complete a round trip. It can also be used for writing arbitrary byte slices
// into ack messages. Note that in order to be meaningful for RTT estimates, this
// delegate does not apply to indirect pings, nor fallback pings sent over TCP.
type PingDelegate interface {
// AckPayload is invoked when an ack is being sent; the returned bytes will be appended to the ack
AckPayload() []byte
// NotifyPing is invoked when an ack for a ping is received
NotifyPingComplete(other *Node, rtt time.Duration, payload []byte)
}
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