66 lines
1.8 KiB
Go
66 lines
1.8 KiB
Go
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package main
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import (
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"context"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"github.com/apex/log"
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"github.com/ooni/probe-cli/v3/internal/engine/mockable"
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"github.com/ooni/probe-cli/v3/internal/engine/model"
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"golang.org/x/sys/execabs"
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)
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func main() {
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if _, err := execabs.LookPath("tor"); err != nil {
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log.Fatal("cannot find the tor executable in path")
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}
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tempdir, err := ioutil.TempDir("", "")
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if err != nil {
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log.WithError(err).Fatal("cannot create temporary directory")
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}
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// -=-=- StartHere -=-=-
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//
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// # Chapter II: creating an empty experiment
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//
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// In this chapter we will create an empty experiment and replace
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// the code calling the real `torsf` experiment in `main.go` to
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// call our empty experiment instead.
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//
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// (This file is auto-generated from the corresponding source file,
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// so make sure you don't edit it manually.)
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//
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// ## Changes in main.go
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//
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// In `main.go` we will simply replace the call to the
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// `torsf.NewExperimentMeasurer` function with a call to
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// a `NewExperimentMeasurer` function that we are going
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// to implement as part of this chapter.
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//
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// After you do this, you also need to remove the now-unneded
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// import of the `torsf` package.
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//
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// There are no additional changes to `main.go`.
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//
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// ```Go
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m := NewExperimentMeasurer(Config{})
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// ```
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// -=-=- StopHere -=-=-
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ctx := context.Background()
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measurement := &model.Measurement{}
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callbacks := model.NewPrinterCallbacks(log.Log)
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sess := &mockable.Session{
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MockableLogger: log.Log,
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MockableTempDir: tempdir,
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}
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if err = m.Run(ctx, sess, measurement, callbacks); err != nil {
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log.WithError(err).Fatal("torsf experiment failed")
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}
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data, err := json.Marshal(measurement)
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if err != nil {
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log.WithError(err).Fatal("json.Marshal failed")
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}
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fmt.Printf("%s\n", data)
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}
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