private static ServiceHost CreateServiceHost(DataService singletonServiceInstance, Uri[] baseAddresses, int maxConcurrency, int maxPending)
{
if (maxConcurrency < 1 || maxConcurrency > 10000)
{
throw new ArgumentOutOfRangeException("maxConcurrency", maxConcurrency, "Invalid value");
}
var serviceHost = new WebServiceHost(singletonServiceInstance, baseAddresses);
var serviceThrottlingBehavior = new ServiceThrottlingBehavior
{
MaxConcurrentInstances = maxConcurrency,
MaxConcurrentCalls = maxConcurrency,
MaxConcurrentSessions = maxConcurrency
};
serviceHost.Description.Behaviors.Add(serviceThrottlingBehavior);
serviceHost.AddServiceEndpoint(typeof(IDataService), GetBinding(maxPending), String.Empty);
return serviceHost;
}
public void Start(IHostingService host)
{
if (host == null)
{
throw new ArgumentNullException("host");
}
m_tracer = host.GetTracer(GetType());
m_host = host;
m_instanceName = GetInstanceName();
var tcpBaseAddress = GetTcpBaseAddress();
var httpBaseAddress = GetHealthServiceBaseAddress();
try
{
PerfCounters.Remove();
PerfCounters.Install();
}
catch (Exception e)
{
m_tracer.Exception(e);
throw;
}
var maxConcurrency = Environment.ProcessorCount * 16;
var maxPending = Environment.ProcessorCount * 16;
m_singletonServiceInstance = new DataService(
m_host.GetTracer(typeof(DataService)), this, tcpBaseAddress.Authority + ", " + m_instanceName, maxConcurrency, null);
var serviceHost = CreateServiceHost(m_singletonServiceInstance, new[] { tcpBaseAddress, httpBaseAddress }, maxConcurrency, maxPending);
serviceHost.Open();
m_serviceHost = serviceHost;
if (m_tracer.IsInfoEnabled)
{
var builder = new StringBuilder(200);
foreach (var ep in serviceHost.ChannelDispatchers)
{
if (ep.Listener != null)
{
builder.AppendLine(ep.Listener.Uri.ToString());
}
}
m_tracer.InfoFormat("Service host [{0}] started. Listening on following base URIs:{1}{2}",
m_instanceName, Environment.NewLine, builder);
}
}
