go-libp2p/testutil/latency_config.go

49 lines
1.1 KiB
Go

package testutil
import "time"
type LatencyConfig struct {
BlockstoreLatency time.Duration
NetworkLatency time.Duration
RoutingLatency time.Duration
}
func (c LatencyConfig) AllInstantaneous() LatencyConfig {
// Could use a zero value but whatever. Consistency of interface
c.NetworkLatency = 0
c.RoutingLatency = 0
c.BlockstoreLatency = 0
return c
}
func (c LatencyConfig) NetworkNYtoSF() LatencyConfig {
c.NetworkLatency = 20 * time.Millisecond
return c
}
func (c LatencyConfig) NetworkIntraDatacenter2014() LatencyConfig {
c.NetworkLatency = 250 * time.Microsecond
return c
}
func (c LatencyConfig) BlockstoreFastSSD2014() LatencyConfig {
const iops = 100000
c.BlockstoreLatency = (1 / iops) * time.Second
return c
}
func (c LatencyConfig) BlockstoreSlowSSD2014() LatencyConfig {
c.BlockstoreLatency = 150 * time.Microsecond
return c
}
func (c LatencyConfig) Blockstore7200RPM() LatencyConfig {
c.BlockstoreLatency = 8 * time.Millisecond
return c
}
func (c LatencyConfig) RoutingSlow() LatencyConfig {
c.RoutingLatency = 200 * time.Millisecond
return c
}