2 // System.Runtime.Remoting.Messaging.MethodResponse.cs
4 // Author: Duncan Mak (duncan@ximian.com)
7 // 2002 (C) Copyright, Ximian, Inc.
11 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
13 // Permission is hereby granted, free of charge, to any person obtaining
14 // a copy of this software and associated documentation files (the
15 // "Software"), to deal in the Software without restriction, including
16 // without limitation the rights to use, copy, modify, merge, publish,
17 // distribute, sublicense, and/or sell copies of the Software, and to
18 // permit persons to whom the Software is furnished to do so, subject to
19 // the following conditions:
21 // The above copyright notice and this permission notice shall be
22 // included in all copies or substantial portions of the Software.
24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
34 using System.Collections;
35 using System.Reflection;
36 using System.Runtime.Remoting;
37 using System.Runtime.Serialization;
39 namespace System.Runtime.Remoting.Messaging {
41 [Serializable] [CLSCompliant (false)]
42 [System.Runtime.InteropServices.ComVisible (true)]
43 public class MethodResponse : IMethodReturnMessage, ISerializable, IInternalMessage, ISerializationRootObject
48 MethodBase _methodBase;
52 Type [] _methodSignature;
57 IMethodCallMessage _callMsg;
58 LogicalCallContext _callContext;
59 Identity _targetIdentity;
61 protected IDictionary ExternalProperties;
62 protected IDictionary InternalProperties;
64 public MethodResponse (Header[] h1, IMethodCallMessage mcm)
68 _methodName = mcm.MethodName;
70 _typeName = mcm.TypeName;
71 _methodBase = mcm.MethodBase;
72 _methodSignature = (Type[]) mcm.MethodSignature;
78 foreach (Header header in h1)
79 InitMethodProperty (header.Name, header.Value);
83 internal MethodResponse (Exception e, IMethodCallMessage msg) {
93 _outArgs = new object[0]; // .NET does this
96 internal MethodResponse (object returnValue, object [] outArgs, LogicalCallContext callCtx, IMethodCallMessage msg) {
102 _returnValue = returnValue;
106 internal MethodResponse (IMethodCallMessage msg, CADMethodReturnMessage retmsg) {
109 _methodBase = msg.MethodBase;
110 //_typeName = msg.TypeName;
112 _methodName = msg.MethodName;
114 // Get unmarshalled arguments
115 ArrayList args = retmsg.GetArguments ();
117 _exception = retmsg.GetException (args);
118 _returnValue = retmsg.GetReturnValue (args);
119 _args = retmsg.GetArgs (args);
121 _callContext = retmsg.GetLogicalCallContext (args);
122 if (_callContext == null) _callContext = new LogicalCallContext ();
124 if (retmsg.PropertiesCount > 0)
125 CADMessageBase.UnmarshalProperties (Properties, retmsg.PropertiesCount, args);
128 internal MethodResponse (SerializationInfo info, StreamingContext context)
130 foreach (SerializationEntry entry in info)
131 InitMethodProperty (entry.Name, entry.Value);
134 internal void InitMethodProperty (string key, object value)
138 case "__TypeName": _typeName = (string) value; break;
139 case "__MethodName": _methodName = (string) value; break;
140 case "__MethodSignature": _methodSignature = (Type[]) value; break;
141 case "__Uri": _uri = (string) value; break;
142 case "__Return": _returnValue = value; break;
143 case "__OutArgs": _args = (object[]) value; break;
144 case "__fault": _exception = (Exception) value; break;
145 case "__CallContext": _callContext = (LogicalCallContext) value; break;
146 default: Properties [key] = value; break;
150 public int ArgCount {
159 public object[] Args {
165 public Exception Exception {
171 public bool HasVarArgs {
173 return (MethodBase.CallingConvention | CallingConventions.VarArgs) != 0;
177 public LogicalCallContext LogicalCallContext {
179 if (_callContext == null)
180 _callContext = new LogicalCallContext ();
185 public MethodBase MethodBase {
187 if (null == _methodBase) {
188 if (_callMsg != null)
189 _methodBase = _callMsg.MethodBase;
190 else if (MethodName != null && TypeName != null)
191 _methodBase = RemotingServices.GetMethodBaseFromMethodMessage (this);
197 public string MethodName {
199 if (null == _methodName && null != _callMsg)
200 _methodName = _callMsg.MethodName;
206 public object MethodSignature {
208 if (null == _methodSignature && null != _callMsg)
209 _methodSignature = (Type []) _callMsg.MethodSignature;
211 return _methodSignature;
215 public int OutArgCount {
217 if (_args == null || _args.Length == 0) return 0;
218 if (_inArgInfo == null) _inArgInfo = new ArgInfo (MethodBase, ArgInfoType.Out);
219 return _inArgInfo.GetInOutArgCount ();
223 public object[] OutArgs {
225 if (_outArgs == null && _args != null) {
226 if (_inArgInfo == null) _inArgInfo = new ArgInfo (MethodBase, ArgInfoType.Out);
227 _outArgs = _inArgInfo.GetInOutArgs (_args);
233 public virtual IDictionary Properties {
235 if (null == ExternalProperties) {
236 MethodReturnDictionary properties = new MethodReturnDictionary (this);
237 ExternalProperties = properties;
238 InternalProperties = properties.GetInternalProperties();
241 return ExternalProperties;
245 public object ReturnValue {
251 public string TypeName {
253 if (null == _typeName && null != _callMsg)
254 _typeName = _callMsg.TypeName;
262 if (null == _uri && null != _callMsg)
273 string IInternalMessage.Uri {
278 public object GetArg (int argNum)
283 return _args [argNum];
286 public string GetArgName (int index)
288 return MethodBase.GetParameters()[index].Name;
291 public virtual void GetObjectData (SerializationInfo info, StreamingContext context)
293 if (_exception == null)
295 info.AddValue ("__TypeName", _typeName);
296 info.AddValue ("__MethodName", _methodName);
297 info.AddValue ("__MethodSignature", _methodSignature);
298 info.AddValue ("__Uri", _uri);
299 info.AddValue ("__Return", _returnValue);
300 info.AddValue ("__OutArgs", _args);
303 info.AddValue ("__fault", _exception);
305 info.AddValue ("__CallContext", _callContext);
307 if (InternalProperties != null) {
308 foreach (DictionaryEntry entry in InternalProperties)
309 info.AddValue ((string) entry.Key, entry.Value);
313 public object GetOutArg (int argNum)
315 if (_args == null) return null;
316 if (_inArgInfo == null) _inArgInfo = new ArgInfo (MethodBase, ArgInfoType.Out);
317 return _args[_inArgInfo.GetInOutArgIndex (argNum)];
320 public string GetOutArgName (int index)
322 if (null == _methodBase)
323 return "__method_" + index;
325 if (_inArgInfo == null) _inArgInfo = new ArgInfo (MethodBase, ArgInfoType.Out);
326 return _inArgInfo.GetInOutArgName(index);
330 public virtual object HeaderHandler (Header[] h)
332 throw new NotImplementedException ();
336 public void RootSetObjectData (SerializationInfo info, StreamingContext ctx)
338 throw new NotImplementedException ();
341 Identity IInternalMessage.TargetIdentity
343 get { return _targetIdentity; }
344 set { _targetIdentity = value; }