public override Object GetRealObject(StreamingContext context)
{
DBG.Info(DBG.SC, "SCM: GetRealObject()");
if (!IsMarshaledObject)
{
DBG.Info(DBG.SC, "SCM: GetRealObject() returning objref!");
return(this);
}
else
{
if (IsFromThisProcess() && !ServicedComponentInfo.IsTypeEventSource(_rt))
{
Object otp = base.GetRealObject(context);
// We need to notify the object that there is a managed reference.
((ServicedComponent)otp).DoSetCOMIUnknown(IntPtr.Zero);
return(otp);
}
else
{
if (_rp == null)
{
_rp = _um.GetRealProxy();
}
DBG.Assert(_rp != null, "GetRealObject on a marshaller with no proxy!");
return(_rp.GetTransparentProxy());
}
}
}
public static void SwitchWrappers(RealProxy oldcp, RealProxy newcp)
{
object transparentProxy = oldcp.GetTransparentProxy();
object tp = newcp.GetTransparentProxy();
RemotingServices.GetServerContextForProxy(transparentProxy);
RemotingServices.GetServerContextForProxy(tp);
Marshal.InternalSwitchCCW(transparentProxy, tp);
}
public static void SwitchWrappers(RealProxy oldcp, RealProxy newcp)
{
Object oldtp = oldcp.GetTransparentProxy();
Object newtp = newcp.GetTransparentProxy();
int oldcontextId = RemotingServices.GetServerContextForProxy(oldtp);
int newcontextId = RemotingServices.GetServerContextForProxy(newtp);
// switch the CCW from oldtp to new tp
Marshal.SwitchCCW(oldtp, newtp);
}
void IDisposable.Dispose()
{
if (serviceProxy != null)
{
IChannel channel = serviceProxy.GetTransparentProxy() as IChannel;
if (channel == null)
{
throw Fx.AssertAndThrow("serviceProxy MUST support IChannel");
}
channel.Close();
}
}
/// <summary>
/// Вызов методов.
/// Стоит обратить внимание, что в момент вызова этого метода
/// значение свойства Context.InternalContextID == __TP.stubData
/// В противном случае вызов RemotingServices.ExecuteMessage приведет к зацикливанию.
/// </summary>
public void Execute()
{
// валидация
if (validationOnAction != null)
{
validationOnAction(callMessage as IMethodCallMessage);
}
ReturnMessage = RemotingServices.ExecuteMessage(
(MarshalByRefObject)proxy.GetTransparentProxy(),
(IMethodCallMessage)callMessage);
}
// Convert from the local representative of the sponsor to either the MarshalByRefObject or local object
private ISponsor GetSponsorFromId(Object sponsorId)
{
Object sponsor = null;
RealProxy rp = sponsorId as RealProxy;
if (null != rp)
{
sponsor = rp.GetTransparentProxy();
}
else
{
sponsor = sponsorId;
}
return((ISponsor)sponsor);
}
private ISponsor GetSponsorFromId(object sponsorId)
{
object transparentProxy = null;
RealProxy proxy = sponsorId as RealProxy;
if (proxy != null)
{
transparentProxy = proxy.GetTransparentProxy();
}
else
{
transparentProxy = sponsorId;
}
return((ISponsor)transparentProxy);
}
/// <summary>
/// 获取对象的代理
/// </summary>
/// <param name="type">该类型必须为 ServiceAbstract 类型的子类</param>
/// <param name="instance"></param>
/// <param name="delay"></param>
/// <returns></returns>
private static object GetTransparentProxy(Type type, object instance, bool delay)
{
if (!type.IsSubclassOf(typeof(MarshalByRefObject)))
{
throw new Exception("所代理的对象的类型必须为 ServiceAbstract 类型的子类");
}
Type tmpType = typeof(DelayProxy <>);
tmpType = tmpType.MakeGenericType(type);
RealProxy proxy = Activator.CreateInstance(tmpType, new object[] { instance, delay }) as RealProxy;
return(proxy.GetTransparentProxy());
}
private ISponsor GetSponsorFromId(object sponsorId)
{
RealProxy realProxy = sponsorId as RealProxy;
object obj;
if (realProxy != null)
{
obj = realProxy.GetTransparentProxy();
}
else
{
obj = sponsorId;
}
return((ISponsor)obj);
}
/// <summary>
/// Gets the client proxy interface that provides calling client methods remotely.
/// </summary>
/// <typeparam name="T">Type of client interface</typeparam>
/// <returns>Client interface</returns>
public T GetClientProxy <T>() where T : class
{
_realProxy = new RemoteInvokeProxy <T, IScsServerClient>(_requestReplyMessenger);
return((T)_realProxy.GetTransparentProxy());
}
public object GetObject()
{
return(realProxy.GetTransparentProxy());
}
public override object GetTransparentProxy()
{
return(innerProxy.GetTransparentProxy());
}
// copied from ServicedComponentMarshaler above directly
// IF YOU MAK ANY CHANGES TO THIS, KEEP THE OTHER COPY IN SYNC
public override void GetObjectData(SerializationInfo info, StreamingContext context)
{
DBG.Info(DBG.SC, "FSCM: GetObjectData");
ComponentServices.InitializeRemotingChannels();
if (info == null)
{
throw new ArgumentNullException("info");
}
// Check to see if this is a remoting channel, if so, then we
// should use the standard objref marshal (cause we're going over SOAP
// or another remoting channel).
object oClientIsClr = CallContext.GetData("__ClientIsClr");
DBG.Info(DBG.SC, "FSCM: GetObjectData: oClientIsClr = " + oClientIsClr);
bool bUseStandardObjRef = (oClientIsClr == null)?false:(bool)oClientIsClr;
if (bUseStandardObjRef)
{
RemoteServicedComponentProxy rscp = _rp as RemoteServicedComponentProxy;
if (rscp != null)
{
DBG.Info(DBG.SC, "FSCM: GetObjectData: intermediary objref");
ObjRef std = RemotingServices.Marshal((MarshalByRefObject)(rscp.RemotingIntermediary.GetTransparentProxy()), null, null);
std.GetObjectData(info, context);
}
else
{
DBG.Info(DBG.SC, "FSCM: GetObjectData: Using standard objref");
base.GetObjectData(info, context);
}
}
else
{
DBG.Info(DBG.SC, "FSCM: GetObjectData: Using custom objref");
base.GetObjectData(info, context);
//*** base.GetObjectData sets the type to be itself
// now wack the type to be us
info.SetType(typeof(ServicedComponentMarshaler));
DBG.Assert(_rp != null, "_rp is null");
info.AddValue("servertype", _rp.GetProxiedType());
byte[] dcomBuffer = ComponentServices.GetDCOMBuffer((MarshalByRefObject)_rp.GetTransparentProxy());
DBG.Assert(dcomBuffer != null, "dcomBuffer is null");
if (dcomBuffer != null)
{
info.AddValue("dcomInfo", dcomBuffer);
}
}
}
private ISponsor GetSponsorFromId(object sponsorId)
{
RealProxy realProxy = sponsorId as RealProxy;
return(realProxy == null ? (ISponsor)sponsorId : (ISponsor)realProxy.GetTransparentProxy());
}
