async Task RunAsync()
{
var httpClient = new HttpClient();
var digitalTwinsClient = new DigitalTwinsClient(_digitalTwinsInstanceUrl, _credential,
new DigitalTwinsClientOptions {
Transport = new HttpClientTransport(httpClient)
});
_log.LogInformation("Reading model file {modelsFile}", _digitalTwinsModelsFile);
var modelList = new[] { _digitalTwinsModelsFile }.Select(File.ReadAllText).ToList();
var parser = new ModelParser();
var parsed = await parser.ParseAsync(modelList);
_log.LogInformation("Parsed {entityCount} entities", parsed.Keys.Count());
var models = modelList
.SelectMany(JsonConvert.DeserializeObject <List <JObject> >)
.ToList();
var(successCount, conflictCount) = (0, 0);
foreach (var model in models)
{
var modelString = JsonConvert.SerializeObject(model);
try
{
await digitalTwinsClient.CreateModelsAsync(new[] { modelString });
successCount++;
}
catch (RequestFailedException e) when(e.Status == 409) // Conflict
{
// ignore
conflictCount++;
}
}
_log.LogInformation("Uploaded {successCount} entities, skipped {conflictCount} entities", successCount,
conflictCount);
var f = models.FirstOrDefault()?.GetValue("@id");
if (f is null)
{
_log.LogInformation("Not creating twins");
return;
}
DigitalTwinMetadata twinMetadata = new DigitalTwinMetadata
{
ModelId = f.ToString()
};
_log.LogInformation("Creating {numTwins} device twins of type {twinType}", NumTwins, twinMetadata.ModelId);
var num = 0;
Parallel.For(0, NumTwins, new ParallelOptions
{
MaxDegreeOfParallelism = 50
}, i =>
{
var deviceId = $"contoso-device-id-{i.ToString("000000")}";
digitalTwinsClient.CreateOrReplaceDigitalTwin(deviceId, new BasicDigitalTwin
{
Metadata = twinMetadata
});
_log.LogDebug("Created twin {deviceId}", deviceId);
var n = Interlocked.Increment(ref num);
if (n % 100 == 0)
{
_log.LogInformation("Created twin {n} of {numTwins}", n, NumTwins);
}
});
_log.LogInformation("Created {numTwins} twins", NumTwins);
}
