private WcfServiceHost CreateServiceHost(string serviceAssembly, string ServiceType,
string InterfaceAssembly, string InterfaceType, string Url, string mexhttpURL)
{
TypeLoader serviceTypeLoader = new TypeLoader(serviceAssembly);
Type serviceType = serviceTypeLoader.GetTypeByName(ServiceType);
if (serviceType == null)
{
string msg = string.Format("Service {0} initialization failed. Unable to instantiate service type {1} from assembly {2}.",
ServiceName, ServiceType, serviceAssembly);
FileLog.Error(msg);
throw new ApplicationException(msg);
}
TypeLoader interfaceTypeLoader = new TypeLoader(InterfaceAssembly);
Type interfaceType = interfaceTypeLoader.GetTypeByName(InterfaceType);
if (interfaceType == null)
{
string msg = string.Format("Service {0} initialization. Type {1} is not found in the assembly {2}.",
ServiceName, InterfaceType, InterfaceAssembly);
FileLog.Error(msg);
throw new ApplicationException(msg);
}
WcfServiceHost host = new WcfServiceHost(interfaceType, serviceType, new Uri(mexhttpURL), new Uri(Url));
return(host);
}
protected override void OnStart(string[] args)
{
FileLog.Initialize(ServiceName);
string serviceAssembly = AppConfigurationHelper.GetConfiguration("ServiceAssembly");
string serviceType = AppConfigurationHelper.GetConfiguration("ServiceType");
string InterfaceAssembly = AppConfigurationHelper.GetConfiguration("InterfaceAssembly");
string InterfaceType = AppConfigurationHelper.GetConfiguration("InterfaceType");
string baseUri = AppConfigurationHelper.GetConfiguration("BaseUri");
string mexUri = AppConfigurationHelper.GetConfiguration("MexUri");
_host = CreateServiceHost(
serviceAssembly,
serviceType,
InterfaceAssembly,
InterfaceType,
baseUri,
mexUri);
try
{
_host.Open();
}
catch (Exception e)
{
string message = string.Format("Error starting service {0}", ServiceName);
FileLog.Fatal(message, e);
throw;
}
FileLog.Info(string.Format("Service {0} started. Address: {1}.", ServiceName, baseUri));
}
private void StopService()
{
if (_host != null)
{
if (_host.State == CommunicationState.Faulted)
{
_host.Abort();
}
_host.Close();
_host = null;
}
}