func main() {
flag.Parse()
var client *maps.Client
var err error
if *apiKey != "" {
client, err = maps.NewClient(maps.WithAPIKey(*apiKey), maps.WithRateLimit(2))
} else if *clientID != "" || *signature != "" {
client, err = maps.NewClient(maps.WithClientIDAndSignature(*clientID, *signature))
} else {
usageAndExit("Please specify an API Key, or Client ID and Signature.")
}
check(err)
r := &maps.DirectionsRequest{
Origin: *origin,
Destination: *destination,
DepartureTime: *departureTime,
ArrivalTime: *arrivalTime,
Alternatives: *alternatives,
Language: *language,
Region: *region,
}
lookupMode(*mode, r)
lookupUnits(*units, r)
lookupTransitRoutingPreference(*transitRoutingPreference, r)
lookupTrafficModel(*trafficModel, r)
if *waypoints != "" {
r.Waypoints = strings.Split(*waypoints, "|")
}
if *avoid != "" {
for _, a := range strings.Split(*avoid, "|") {
switch a {
case "tolls":
r.Avoid = append(r.Avoid, maps.AvoidTolls)
case "highways":
r.Avoid = append(r.Avoid, maps.AvoidHighways)
case "ferries":
r.Avoid = append(r.Avoid, maps.AvoidFerries)
default:
log.Fatalf("Unknown avoid restriction %s", a)
}
}
}
if *transitMode != "" {
for _, t := range strings.Split(*transitMode, "|") {
switch t {
case "bus":
r.TransitMode = append(r.TransitMode, maps.TransitModeBus)
case "subway":
r.TransitMode = append(r.TransitMode, maps.TransitModeSubway)
case "train":
r.TransitMode = append(r.TransitMode, maps.TransitModeTrain)
case "tram":
r.TransitMode = append(r.TransitMode, maps.TransitModeTram)
case "rail":
r.TransitMode = append(r.TransitMode, maps.TransitModeRail)
}
}
}
if *iterations == 1 {
routes, waypoints, err := client.Directions(context.Background(), r)
check(err)
pretty.Println(waypoints)
pretty.Println(routes)
} else {
done := make(chan iterationResult)
for i := 0; i < *iterations; i++ {
go func(i int) {
startTime := time.Now()
_, _, err := client.Directions(context.Background(), r)
done <- iterationResult{
fmt.Sprintf("Iteration %2d: round trip %.2f seconds", i, float64(time.Now().Sub(startTime))/1000000000),
err,
}
}(i)
}
for i := 0; i < *iterations; i++ {
result := <-done
if err != nil {
fmt.Printf("error: %+v\n", result.err)
} else {
fmt.Println(result.result)
}
}
}
}
