protected override void OnStart(string[] args)
{
// Initialize WCF service
controlServiceHost = new ServiceHost(
typeof(RemoteServiceControl),
RemoteServiceHelper.CreateEndpointUri(RemoteServiceHelper.GetFullyQualifiedDnsName(), ""));
controlEndpoint = controlServiceHost.AddServiceEndpoint(
typeof(IRemoteServiceControl),
RemoteServiceHelper.CreateNetTcpBinding(),
RemoteServiceHelper.CreateEndpointUri(RemoteServiceHelper.GetFullyQualifiedDnsName(), "Control"));
controlServiceHost.Open();
}
public static Uri RegisterService(Type contract)
{
// See if contractType is decorated with the RemoteServiceClassAttribute
var attr = contract.GetCustomAttributes(typeof(RemoteServiceClassAttribute), false);
if (attr == null || attr.Length != 1)
{
// TODO
throw new InvalidOperationException("Contracts must be decorated with the RemoteServiceClassAttribute for automatic service registration.");
}
var serviceType = ((RemoteServiceClassAttribute)attr[0]).Type.AssemblyQualifiedName;
// Attempt to load type
var service = Type.GetType(serviceType);
if (!service.IsSubclassOf(typeof(RemoteServiceBase)))
{
// TODO
throw new InvalidOperationException("Service class must derive from Jhu.Graywulf.RemoteService.RemoteServiceBase");
}
if (service == null || contract == null)
{
throw new Exception("Type not found."); // TODO
}
// Everything is OK, initialize service
lock (syncRoot)
{
var host = new ServiceHost(
service,
RemoteServiceHelper.CreateEndpointUri(RemoteServiceHelper.GetFullyQualifiedDnsName(), ""));
// Turn on detailed debug info
var sdb = host.Description.Behaviors.Find <ServiceDebugBehavior>();
if (sdb == null)
{
sdb = new ServiceDebugBehavior();
host.Description.Behaviors.Add(sdb);
}
sdb.IncludeExceptionDetailInFaults = true;
// Turn on impersonation
/*
* var sab = host.Description.Behaviors.Find<ServiceAuthorizationBehavior>();
* if (sab == null)
* {
* sab = new ServiceAuthorizationBehavior();
* host.Description.Behaviors.Add(sab);
* }
* sab.ImpersonateCallerForAllOperations = true;
*/
// Unthrottle service to increase throughput
// Service is behind a firewall, no DOS attacks will happen
// TODO: copy these settings to the control endpoint
var tb = host.Description.Behaviors.Find <ServiceThrottlingBehavior>();
if (tb == null)
{
tb = new ServiceThrottlingBehavior();
host.Description.Behaviors.Add(tb);
}
tb.MaxConcurrentCalls = 1024;
tb.MaxConcurrentInstances = Int32.MaxValue;
tb.MaxConcurrentSessions = 1024;
var endpoint = host.AddServiceEndpoint(
contract,
RemoteServiceHelper.CreateNetTcpBinding(),
RemoteServiceHelper.CreateEndpointUri(RemoteServiceHelper.GetFullyQualifiedDnsName(), service.FullName));
host.Open();
registeredServiceHosts.Add(contract.FullName, host);
registeredEndpoints.Add(contract.FullName, endpoint);
return(endpoint.Address.Uri);
}
}