public async Task<IActionResult> GetQueueLengthAsync()
{
ServiceUriBuilder uriBuilder = new ServiceUriBuilder(TenantDataServiceName);
Uri serviceUri = uriBuilder.Build();
// service may be partitioned.
// this will aggregate the queue lengths from each partition
ServicePartitionList partitions = await this.fabricClient.QueryManager.GetPartitionListAsync(serviceUri);
long count = 0;
foreach (Partition partition in partitions)
{
Uri getUrl = new HttpServiceUriBuilder()
.SetServiceName(serviceUri)
.SetPartitionKey(((Int64RangePartitionInformation) partition.PartitionInformation).LowKey)
.SetServicePathAndQuery($"/api/devices/queue/length")
.Build();
HttpResponseMessage response = await this.httpClient.GetAsync(getUrl, this.serviceCancellationToken);
if (response.StatusCode != System.Net.HttpStatusCode.OK)
{
return this.StatusCode((int) response.StatusCode);
}
string result = await response.Content.ReadAsStringAsync();
count += Int64.Parse(result);
}
return this.Ok(count);
}
public async Task<IActionResult> Post([FromRoute] string tenantName, [FromBody] TenantApplicationParams parameters)
{
// First create the application instance.
// This won't actually create the services yet.
ApplicationDescription application = new ApplicationDescription(
new Uri($"{Names.TenantApplicationNamePrefix}/{tenantName}"),
Names.TenantApplicationTypeName,
parameters.Version);
await this.fabricClient.ApplicationManager.CreateApplicationAsync(application, this.operationTimeout, this.serviceCancellationToken);
// Now create the data service in the new application instance.
ServiceUriBuilder dataServiceNameUriBuilder = new ServiceUriBuilder(application.ApplicationName.ToString(), Names.TenantDataServiceName);
StatefulServiceDescription dataServiceDescription = new StatefulServiceDescription()
{
ApplicationName = application.ApplicationName,
HasPersistedState = true,
MinReplicaSetSize = 3,
TargetReplicaSetSize = 3,
PartitionSchemeDescription = new UniformInt64RangePartitionSchemeDescription(parameters.DataPartitionCount, Int64.MinValue, Int64.MaxValue),
ServiceName = dataServiceNameUriBuilder.Build(),
ServiceTypeName = Names.TenantDataServiceTypeName
};
await this.fabricClient.ServiceManager.CreateServiceAsync(dataServiceDescription, this.operationTimeout, this.serviceCancellationToken);
// And finally, create the web service in the new application instance.
ServiceUriBuilder webServiceNameUriBuilder = new ServiceUriBuilder(application.ApplicationName.ToString(), Names.TenantWebServiceName);
StatelessServiceDescription webServiceDescription = new StatelessServiceDescription()
{
ApplicationName = application.ApplicationName,
InstanceCount = parameters.WebInstanceCount,
PartitionSchemeDescription = new SingletonPartitionSchemeDescription(),
ServiceName = webServiceNameUriBuilder.Build(),
ServiceTypeName = Names.TenantWebServiceTypeName
};
await this.fabricClient.ServiceManager.CreateServiceAsync(webServiceDescription, this.operationTimeout, this.serviceCancellationToken);
return this.Ok();
}
public async Task<IActionResult> GetDevicesAsync()
{
ServiceUriBuilder uriBuilder = new ServiceUriBuilder(TenantDataServiceName);
Uri serviceUri = uriBuilder.Build();
// service may be partitioned.
// this will aggregate device IDs from all partitions
ServicePartitionList partitions = await this.fabricClient.QueryManager.GetPartitionListAsync(serviceUri);
List<DeviceViewModel> deviceViewModels = new List<DeviceViewModel>();
foreach (Partition partition in partitions)
{
Uri getUrl = new HttpServiceUriBuilder()
.SetServiceName(serviceUri)
.SetPartitionKey(((Int64RangePartitionInformation) partition.PartitionInformation).LowKey)
.SetServicePathAndQuery($"/api/devices")
.Build();
HttpResponseMessage response = await this.httpClient.GetAsync(getUrl, this.serviceCancellationToken);
if (response.StatusCode != System.Net.HttpStatusCode.OK)
{
return this.StatusCode((int) response.StatusCode);
}
JsonSerializer serializer = new JsonSerializer();
using (StreamReader streamReader = new StreamReader(await response.Content.ReadAsStreamAsync()))
{
using (JsonTextReader jsonReader = new JsonTextReader(streamReader))
{
List<DeviceViewModel> result = serializer.Deserialize<List<DeviceViewModel>>(jsonReader);
if (result != null)
{
deviceViewModels.AddRange(result);
}
}
}
}
return this.Ok(deviceViewModels);
}
