public async Task <IHttpActionResult> Post([FromUri] int countyId, [FromBody] CountyStatsViewModel status)
{
IReliableDictionary <int, NationalCountyStats> dictionary =
await this.stateManager.GetOrAddAsync <IReliableDictionary <int, NationalCountyStats> >(HealthStatusDictionary);
using (ITransaction tx = this.stateManager.CreateTransaction())
{
await dictionary.SetAsync(
tx,
countyId,
new NationalCountyStats(
status.DoctorCount,
status.PatientCount,
status.HealthReportCount,
status.AverageHealthIndex));
await tx.CommitAsync();
}
ServiceEventSource.Current.Message("National Service recieved and saved report {0}|{1}", countyId, status);
return(this.Ok());
}
protected override async Task RunAsync(CancellationToken cancellationToken)
{
ConfigurationPackage configPackage = this.Context.CodePackageActivationContext.GetConfigurationPackageObject("Config");
this.UpdateConfigSettings(configPackage.Settings);
this.Context.CodePackageActivationContext.ConfigurationPackageModifiedEvent
+= this.CodePackageActivationContext_ConfigurationPackageModifiedEvent;
this.indexCalculator = new HealthIndexCalculator(this.Context);
ServicePrimer primer = new ServicePrimer();
await primer.WaitForStatefulService(this.nationalServiceInstanceUri);
IReliableDictionary <int, string> countyNamesDictionary =
await this.StateManager.GetOrAddAsync <IReliableDictionary <int, string> >(CountyNameDictionaryName);
ServiceEventSource.Current.ServiceMessage(this, "CountyService starting data processing.");
while (!cancellationToken.IsCancellationRequested)
{
try
{
//every ten seconds, grab the counties and send them to national
await Task.Delay(this.interval, cancellationToken);
ServicePartitionClient <HttpCommunicationClient> servicePartitionClient =
new ServicePartitionClient <HttpCommunicationClient>(
this.clientFactory,
this.nationalServiceInstanceUri);
IList <KeyValuePair <int, string> > countyNames = new List <KeyValuePair <int, string> >();
using (ITransaction tx = this.StateManager.CreateTransaction())
{
IAsyncEnumerator <KeyValuePair <int, string> > enumerator = (await countyNamesDictionary.CreateEnumerableAsync(tx)).GetAsyncEnumerator();
while (await enumerator.MoveNextAsync(cancellationToken))
{
countyNames.Add(enumerator.Current);
}
}
foreach (KeyValuePair <int, string> county in countyNames)
{
IReliableDictionary <Guid, CountyDoctorStats> countyHealth =
await
this.StateManager.GetOrAddAsync <IReliableDictionary <Guid, CountyDoctorStats> >(
string.Format(CountyHealthDictionaryName, county.Key));
int totalDoctorCount = 0;
int totalPatientCount = 0;
int totalHealthReportCount = 0;
int avgHealth = 0;
using (ITransaction tx = this.StateManager.CreateTransaction())
{
IAsyncEnumerable <KeyValuePair <Guid, CountyDoctorStats> > healthRecords = await countyHealth.CreateEnumerableAsync(tx);
IAsyncEnumerator <KeyValuePair <Guid, CountyDoctorStats> > enumerator = healthRecords.GetAsyncEnumerator();
IList <KeyValuePair <Guid, CountyDoctorStats> > records = new List <KeyValuePair <Guid, CountyDoctorStats> >();
while (await enumerator.MoveNextAsync(cancellationToken))
{
records.Add(enumerator.Current);
}
avgHealth = this.indexCalculator.ComputeAverageIndex(records.Select(x => x.Value.AverageHealthIndex));
foreach (KeyValuePair <Guid, CountyDoctorStats> item in records)
{
totalDoctorCount++;
totalPatientCount += item.Value.PatientCount;
totalHealthReportCount += item.Value.HealthReportCount;
}
}
CountyStatsViewModel payload = new CountyStatsViewModel(totalDoctorCount, totalPatientCount, totalHealthReportCount, avgHealth);
await servicePartitionClient.InvokeWithRetryAsync(
client =>
{
Uri serviceAddress = new Uri(client.BaseAddress, string.Format("national/health/{0}", county.Key));
HttpWebRequest request = WebRequest.CreateHttp(serviceAddress);
request.Method = "POST";
request.ContentType = "application/json";
request.Timeout = (int)client.OperationTimeout.TotalMilliseconds;
request.ReadWriteTimeout = (int)client.ReadWriteTimeout.TotalMilliseconds;
using (Stream requestStream = request.GetRequestStream())
{
using (BufferedStream buffer = new BufferedStream(requestStream))
{
using (StreamWriter writer = new StreamWriter(buffer))
{
JsonSerializer serializer = new JsonSerializer();
serializer.Serialize(writer, payload);
buffer.Flush();
}
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
ServiceEventSource.Current.ServiceMessage(this, "County Data Sent {0}", serviceAddress);
return(Task.FromResult(true));
}
}
}
},
cancellationToken);
}
}
catch (TaskCanceledException)
{
throw;
}
catch (Exception exception)
{
ServiceEventSource.Current.ServiceMessage(
this,
"CountyService encountered an exception trying to send data to National Service: {0}",
exception.ToString());
continue;
}
}
}
protected override async Task RunAsync(CancellationToken cancellationToken)
{
ServiceEventSource.Current.ServiceMessage(this.Context, "CountyService starting data processing.");
while (!cancellationToken.IsCancellationRequested)
{
try
{
//every interval seconds, grab the counties and send them to national
await Task.Delay(TimeSpan.FromSeconds(int.Parse(this.GetSetting("UpdateFrequency"))), cancellationToken);
IReliableDictionary <int, string> countyNamesDictionary =
await this.StateManager.GetOrAddAsync <IReliableDictionary <int, string> >(CountyNameDictionaryName);
IList <KeyValuePair <int, string> > countyNames = new List <KeyValuePair <int, string> >();
using (ITransaction tx = this.StateManager.CreateTransaction())
{
var enumerator = (await countyNamesDictionary.CreateEnumerableAsync(tx)).GetAsyncEnumerator();
while (await enumerator.MoveNextAsync(cancellationToken))
{
countyNames.Add(enumerator.Current);
}
await tx.CommitAsync();
}
foreach (KeyValuePair <int, string> county in countyNames)
{
IReliableDictionary <Guid, CountyDoctorStats> countyHealth =
await
this.StateManager.GetOrAddAsync <IReliableDictionary <Guid, CountyDoctorStats> >(
string.Format(CountyHealthDictionaryName, county.Key));
int totalDoctorCount = 0;
int totalPatientCount = 0;
long totalHealthReportCount = 0;
//double priorAvg = 0;
//double expandedAverage = 0;
//double newTotal = 0;
IList <KeyValuePair <Guid, CountyDoctorStats> > records = new List <KeyValuePair <Guid, CountyDoctorStats> >();
using (ITransaction tx = this.StateManager.CreateTransaction())
{
var enumerator = (await countyHealth.CreateEnumerableAsync(tx, EnumerationMode.Unordered)).GetAsyncEnumerator();
while (await enumerator.MoveNextAsync(cancellationToken))
{
records.Add(enumerator.Current);
}
await tx.CommitAsync();
}
foreach (KeyValuePair <Guid, CountyDoctorStats> item in records)
{
//expandedAverage = priorAvg * totalDoctorCount;
//newTotal = expandedAverage + item.Value.AverageHealthIndex.GetValue();
totalDoctorCount++;
totalPatientCount += item.Value.PatientCount;
totalHealthReportCount += item.Value.HealthReportCount;
//priorAvg = newTotal / totalHealthReportCount;
}
HealthIndex avgHealth;
if (records.Count > 0)
{
avgHealth = this.indexCalculator.ComputeAverageIndex(records.Select(x => x.Value.AverageHealthIndex));
}
else
{
avgHealth = this.indexCalculator.ComputeIndex(-1);
}
CountyStatsViewModel payload = new CountyStatsViewModel(totalDoctorCount, totalPatientCount, totalHealthReportCount, avgHealth);
ServiceUriBuilder serviceUri = new ServiceUriBuilder(this.GetSetting("NationalServiceInstanceName"));
await FabricHttpClient.MakePostRequest <CountyStatsViewModel>(
serviceUri.ToUri(),
new ServicePartitionKey(),
"NationalEndpoint",
"/national/health/" + county.Key,
payload,
SerializationSelector.PBUF,
cancellationToken
);
}
}
catch (TimeoutException te)
{
// transient error. Retry.
ServiceEventSource.Current.ServiceMessage(
this.Context,
"CountyService encountered an exception trying to send data to National Service: TimeoutException in RunAsync: {0}",
te.ToString());
}
catch (FabricNotReadableException fnre)
{
ServiceEventSource.Current.ServiceMessage(
this.Context,
"CountyService encountered an exception trying to send data to National Service: TimeoutException in RunAsync: {0}",
fnre.ToString());// transient error. Retry.
}
catch (FabricTransientException fte)
{
// transient error. Retry.
ServiceEventSource.Current.ServiceMessage(
this.Context,
"CountyService encountered an exception trying to send data to National Service: FabricTransientException in RunAsync: {0}",
fte.ToString());
}
catch (FabricNotPrimaryException)
{
// not primary any more, time to quit.
return;
}
catch (HttpRequestException hre)
{
ServiceEventSource.Current.ServiceMessage(
this.Context,
"CountyService encountered an exception trying to send data to National Service: HttpRequestException in RunAsync: {0}",
hre.ToString());
}
catch (ProtoException pbe)
{
ServiceEventSource.Current.ServiceMessage(
this.Context,
"CountyService encountered an exception trying to send data to National Service: ProtoException in RunAsync: {0}",
pbe.ToString());
}
catch (Exception ex)
{
ServiceEventSource.Current.ServiceMessage(this.Context, "{0}", ex.ToString());
throw;
}
}
}
