ooni-probe-cli/nettests/performance/dash.go
Simone Basso 946289d6fe
Use more general ooni/probe-engine API (#67)
No functional change, just importing less stuff and meddling
much less with the internals of ooni/probe-engine.
2019-10-28 14:05:05 +01:00

66 lines
1.5 KiB
Go

package performance
import (
"github.com/pkg/errors"
"github.com/ooni/probe-cli/nettests"
)
// Dash test implementation
type Dash struct {
}
// Run starts the test
func (d Dash) Run(ctl *nettests.Controller) error {
builder, err := ctl.Ctx.Session.NewExperimentBuilder("dash")
if err != nil {
return err
}
return ctl.Run(builder, []string{""})
}
// DashTestKeys for the test
// TODO: process 'receiver_data' to provide an array of performance for a chart.
type DashTestKeys struct {
Latency float64 `json:"connect_latency"`
Bitrate float64 `json:"median_bitrate"`
Delay float64 `json:"min_playout_delay"`
IsAnomaly bool `json:"-"`
}
// GetTestKeys generates a summary for a test run
func (d Dash) GetTestKeys(tk map[string]interface{}) (interface{}, error) {
var err error
testKeys := DashTestKeys{IsAnomaly: false}
simple, ok := tk["simple"].(map[string]interface{})
if !ok {
return testKeys, errors.New("simple key is not of the expected type")
}
latency, ok := simple["connect_latency"].(float64)
if !ok {
err = errors.Wrap(err, "connect_latency is invalid")
}
testKeys.Latency = latency
bitrate, ok := simple["median_bitrate"].(float64)
if !ok {
err = errors.Wrap(err, "median_bitrate is invalid")
}
testKeys.Bitrate = bitrate
delay, ok := simple["min_playout_delay"].(float64)
if !ok {
err = errors.Wrap(err, "min_playout_delay is invalid")
}
testKeys.Delay = delay
return testKeys, err
}
// LogSummary writes the summary to the standard output
func (d Dash) LogSummary(s string) error {
return nil
}