// ProtocolRequestToMessage
//
// Converts an incoming Ice Protocol Request stream from requestStream
// into a new IMethodCallMessage. isBatched specifies if the request
// is a batched request or not.
public static IMessage ProtocolRequestToMessage(Stream requestStream, bool isBatched)
{
Ice.ProtocolReader pr = new Ice.ProtocolReader(requestStream);
Ice.Identity id;
string methodname;
int requestId;
Ice.OperationMode mode;
Ice.Context context;
if (!isBatched)
{
Ice.MessageRequest req = pr.ReadMessageRequest();
requestId = req.requestId;
id = req.id;
methodname = req.operation;
mode = (Ice.OperationMode)Enum.ToObject(typeof(Ice.OperationMode), req.mode);
context = req.context;
}
else
{
Ice.MessageBatchRequest req = pr.ReadMessageBatchRequest();
requestId = 0;
id = req.id;
methodname = req.operation;
mode = (Ice.OperationMode)Enum.ToObject(typeof(Ice.OperationMode), req.mode);
context = req.context;
// FIXME -- if this is a batch, we really want to return multiple
// messages. We need to extend both this function and the callee
// to understand an array return.
throw new NotImplementedException("Batch execution detected");
}
string uri = id.ToUri();
Type svrType = RemotingServices.GetServerTypeForUri(uri);
if (svrType == null)
{
throw new RemotingException("No registered server for uri " + uri);
}
MethodInfo mi = svrType.GetMethod(methodname);
if (mi == null)
{
throw new Ice.OperationNotExistException();
}
int encapsSize = pr.ReadEncapsulationHeader();
Trace.WriteLine("ProtocolRequestToMessage method: " + methodname + " -> " + mi);
ParameterInfo[] paramInfos = mi.GetParameters();
int inParams = 0, outParams = 0;
int readInParams = 0;
object[] methodArgs;
if (encapsSize == 0)
{
for (int i = 0; i < paramInfos.Length; i++)
{
if (paramInfos[i].IsOut)
{
outParams++;
}
else
{
inParams++;
}
}
methodArgs = new object[0];
}
else
{
ArrayList args = new ArrayList();
for (int i = 0; i < paramInfos.Length; i++)
{
if (!paramInfos[i].IsOut)
{
object o;
if (Attribute.GetCustomAttribute(paramInfos[i], typeof(Ice.AsProxy)) != null)
{
o = pr.ReadObjectProxy(paramInfos[i].ParameterType);
args.Add(o);
}
else if (!IceByValue(paramInfos[i].ParameterType))
{
// add a placeholder that will get replaced by
// patch call below.
args.Add(null);
pr.ReadClassInstanceParameterRef(args, readInParams);
}
else
{
o = pr.ReadObject(paramInfos[i].ParameterType);
args.Add(o);
}
inParams++;
readInParams++;
}
else
{
outParams++;
}
}
pr.ReadClassInstancesAndPatch();
methodArgs = args.ToArray();
}
if (readInParams != inParams)
{
// FIXME
throw new InvalidOperationException("Wrong number of parameters for operation, expected " + inParams + " got " + readInParams);
}
// I need: uri, typeNAme, methodName, object[] args
System.Runtime.Remoting.Messaging.Header[] hs =
new System.Runtime.Remoting.Messaging.Header[4];
hs[0] = new Header("__TypeName", svrType.FullName);
hs[1] = new Header("__MethodName", methodname);
hs[2] = new Header("__Uri", uri);
hs[3] = new Header("__Args", methodArgs);
MethodCall mc = new MethodCall(hs);
mc.Properties["__iceRequestId"] = requestId;
mc.Properties["__iceIdentity"] = id;
mc.Properties["__iceMode"] = mode;
mc.Properties["__iceContext"] = context;
return(mc);
}
// ProtocolReplyToMessage
//
// Given a response message stream respStream, and the message that
// originated to call msg, returns an IMethodReturnMessage describing
// the return value of the function.
//
public static IMethodReturnMessage ProtocolReplyToMessage (Stream respStream,
IMessage msg)
{
IMethodCallMessage mcall = msg as IMethodCallMessage;
// set up some stuff that we'll need for parsing
ParameterInfo[] paramInfos = mcall.MethodBase.GetParameters();
Type returnType = ((MethodInfo) mcall.MethodBase).ReturnType;
// at this point, respStream should be pointing to the first byte after the requestId
Ice.ProtocolReader pr = new Ice.ProtocolReader (respStream);
// the first byte here is the MessageReplyType
byte b = pr.ReadByte();
MessageReplyType replyType = (MessageReplyType) Enum.ToObject (typeof(MessageReplyType), b);
if (replyType == MessageReplyType.Success) {
// what follows is an encapsulation with return value and out params, if any.
int encapsBytes = pr.ReadEncapsulationHeader();
if (encapsBytes == 0) {
// no reply value(s) follow
return new ReturnMessage (null, null, 0, mcall.LogicalCallContext, mcall);
} else {
// reply values follow: first the out-values in order of declaration,
// then the return value
object returnValue = null;
ArrayList outArgs = new ArrayList();
int readOutArgs = 0;
for (int i = 0; i < mcall.ArgCount; i++) {
if (paramInfos[i].IsOut) {
object o;
if (Attribute.GetCustomAttribute (paramInfos[i], typeof(Ice.AsProxy)) != null) {
o = pr.ReadObjectProxy (paramInfos[i].ParameterType);
outArgs.Add (o);
} else if (!IceByValue (paramInfos[i].ParameterType)) {
// add placeholder for patch later
outArgs.Add (null);
pr.ReadClassInstanceParameterRef (outArgs, readOutArgs);
} else {
o = pr.ReadObject (paramInfos[i].ParameterType);
outArgs.Add (o);
}
readOutArgs++;
}
}
if (returnType != null && returnType != typeof(void)) {
returnValue = pr.ReadObject (returnType);
}
pr.ReadClassInstancesAndPatch();
return new ReturnMessage (returnValue, outArgs.ToArray(), outArgs.Count, mcall.LogicalCallContext, mcall);
}
} else {
// message was not a success; we ought to parse the exception. TODO FIXME
Ice.UnknownException e = new Ice.UnknownException();
e.unknown = "Message reply type was " + replyType;
return new ReturnMessage (e, mcall);
}
}
// ProtocolReplyToMessage
//
// Given a response message stream respStream, and the message that
// originated to call msg, returns an IMethodReturnMessage describing
// the return value of the function.
//
public static IMethodReturnMessage ProtocolReplyToMessage(Stream respStream,
IMessage msg)
{
IMethodCallMessage mcall = msg as IMethodCallMessage;
// set up some stuff that we'll need for parsing
ParameterInfo[] paramInfos = mcall.MethodBase.GetParameters();
Type returnType = ((MethodInfo)mcall.MethodBase).ReturnType;
// at this point, respStream should be pointing to the first byte after the requestId
Ice.ProtocolReader pr = new Ice.ProtocolReader(respStream);
// the first byte here is the MessageReplyType
byte b = pr.ReadByte();
MessageReplyType replyType = (MessageReplyType)Enum.ToObject(typeof(MessageReplyType), b);
if (replyType == MessageReplyType.Success)
{
// what follows is an encapsulation with return value and out params, if any.
int encapsBytes = pr.ReadEncapsulationHeader();
if (encapsBytes == 0)
{
// no reply value(s) follow
return(new ReturnMessage(null, null, 0, mcall.LogicalCallContext, mcall));
}
else
{
// reply values follow: first the out-values in order of declaration,
// then the return value
object returnValue = null;
ArrayList outArgs = new ArrayList();
int readOutArgs = 0;
for (int i = 0; i < mcall.ArgCount; i++)
{
if (paramInfos[i].IsOut)
{
object o;
if (Attribute.GetCustomAttribute(paramInfos[i], typeof(Ice.AsProxy)) != null)
{
o = pr.ReadObjectProxy(paramInfos[i].ParameterType);
outArgs.Add(o);
}
else if (!IceByValue(paramInfos[i].ParameterType))
{
// add placeholder for patch later
outArgs.Add(null);
pr.ReadClassInstanceParameterRef(outArgs, readOutArgs);
}
else
{
o = pr.ReadObject(paramInfos[i].ParameterType);
outArgs.Add(o);
}
readOutArgs++;
}
}
if (returnType != null && returnType != typeof(void))
{
returnValue = pr.ReadObject(returnType);
}
pr.ReadClassInstancesAndPatch();
return(new ReturnMessage(returnValue, outArgs.ToArray(), outArgs.Count, mcall.LogicalCallContext, mcall));
}
}
else
{
// message was not a success; we ought to parse the exception. TODO FIXME
Ice.UnknownException e = new Ice.UnknownException();
e.unknown = "Message reply type was " + replyType;
return(new ReturnMessage(e, mcall));
}
}
// ProtocolRequestToMessage
//
// Converts an incoming Ice Protocol Request stream from requestStream
// into a new IMethodCallMessage. isBatched specifies if the request
// is a batched request or not.
public static IMessage ProtocolRequestToMessage (Stream requestStream, bool isBatched)
{
Ice.ProtocolReader pr = new Ice.ProtocolReader (requestStream);
Ice.Identity id;
string methodname;
int requestId;
Ice.OperationMode mode;
Ice.Context context;
if (!isBatched) {
Ice.MessageRequest req = pr.ReadMessageRequest();
requestId = req.requestId;
id = req.id;
methodname = req.operation;
mode = (Ice.OperationMode) Enum.ToObject (typeof(Ice.OperationMode), req.mode);
context = req.context;
} else {
Ice.MessageBatchRequest req = pr.ReadMessageBatchRequest();
requestId = 0;
id = req.id;
methodname = req.operation;
mode = (Ice.OperationMode) Enum.ToObject (typeof(Ice.OperationMode), req.mode);
context = req.context;
// FIXME -- if this is a batch, we really want to return multiple
// messages. We need to extend both this function and the callee
// to understand an array return.
throw new NotImplementedException ("Batch execution detected");
}
string uri = id.ToUri();
Type svrType = RemotingServices.GetServerTypeForUri (uri);
if (svrType == null)
throw new RemotingException ("No registered server for uri " + uri);
MethodInfo mi = svrType.GetMethod (methodname);
if (mi == null)
throw new Ice.OperationNotExistException();
int encapsSize = pr.ReadEncapsulationHeader();
Trace.WriteLine ("ProtocolRequestToMessage method: " + methodname + " -> " + mi);
ParameterInfo[] paramInfos = mi.GetParameters();
int inParams = 0, outParams = 0;
int readInParams = 0;
object[] methodArgs;
if (encapsSize == 0) {
for (int i = 0; i < paramInfos.Length; i++) {
if (paramInfos[i].IsOut)
outParams++;
else
inParams++;
}
methodArgs = new object[0];
} else {
ArrayList args = new ArrayList();
for (int i = 0; i < paramInfos.Length; i++) {
if (!paramInfos[i].IsOut) {
object o;
if (Attribute.GetCustomAttribute (paramInfos[i], typeof(Ice.AsProxy)) != null) {
o = pr.ReadObjectProxy (paramInfos[i].ParameterType);
args.Add (o);
} else if (!IceByValue (paramInfos[i].ParameterType)) {
// add a placeholder that will get replaced by
// patch call below.
args.Add (null);
pr.ReadClassInstanceParameterRef (args, readInParams);
} else {
o = pr.ReadObject (paramInfos[i].ParameterType);
args.Add (o);
}
inParams++;
readInParams++;
} else {
outParams++;
}
}
pr.ReadClassInstancesAndPatch();
methodArgs = args.ToArray();
}
if (readInParams != inParams) {
// FIXME
throw new InvalidOperationException("Wrong number of parameters for operation, expected " + inParams + " got " + readInParams);
}
// I need: uri, typeNAme, methodName, object[] args
System.Runtime.Remoting.Messaging.Header[] hs =
new System.Runtime.Remoting.Messaging.Header[4];
hs[0] = new Header ("__TypeName", svrType.FullName);
hs[1] = new Header ("__MethodName",methodname);
hs[2] = new Header ("__Uri", uri);
hs[3] = new Header ("__Args", methodArgs);
MethodCall mc = new MethodCall (hs);
mc.Properties["__iceRequestId"] = requestId;
mc.Properties["__iceIdentity"] = id;
mc.Properties["__iceMode"] = mode;
mc.Properties["__iceContext"] = context;
return mc;
}