public IceClientTransportSink(string url)
{
IceChannelUtils.ParseIceURL(url, out _host, out _port, out _objectUri);
Ice.TcpEndpoint te = new Ice.TcpEndpoint(_host, _port);
_e = Ice.Manager.GetManager().GetEndpoint(te);
}
public ServerProcessing ProcessMessage(IServerChannelSinkStack sinkStack,
IMessage requestMsg,
ITransportHeaders requestHeaders,
Stream requestStream,
out IMessage responseMsg,
out ITransportHeaders responseHeaders,
out Stream responseStream)
{
IMessage call;
MessageType mtype = (Ice.MessageType)requestHeaders["__iceMessageType"];
bool isBatched = (mtype == Ice.MessageType.BatchRequest);
try {
if (requestMsg == null)
{
requestMsg = IceChannelUtils.ProtocolRequestToMessage(requestStream, isBatched);
}
else
{
call = requestMsg;
}
Trace.WriteLine("IceServerFormatterSink: passing upstream");
_next.ProcessMessage(sinkStack, requestMsg, requestHeaders, null,
out responseMsg, out responseHeaders, out responseStream);
Trace.WriteLine("IceServerFormatterSink: returned");
responseStream = new MemoryStream();
IceChannelUtils.MessageToProtocolReply(requestMsg, responseMsg, responseStream);
} catch (Exception e) {
Console.WriteLine(e.ToString());
throw e;
}
return(ServerProcessing.Complete);
}
public IMessage SyncProcessMessage(IMessage msg)
{
IMethodCallMessage mcall = msg as IMethodCallMessage;
Trace.WriteLine("IceClientFormatterSink: ProcessMessage: " + mcall.MethodBase);
try {
Stream msgStream;
FormatMessage(msg, out msgStream);
// send downstream for processing
TransportHeaders reqHeaders = new TransportHeaders();
ITransportHeaders respHeaders;
Stream respStream;
_next.ProcessMessage(msg, reqHeaders, msgStream, out respHeaders, out respStream);
// convert back into a response message
IMessage result = (IMessage)IceChannelUtils.ProtocolReplyToMessage(respStream, msg);
respStream.Close();
return(result);
} catch (Exception e) {
return(new ReturnMessage(e, mcall));
}
}
public virtual void WriteProxy(object o, Type ot)
{
if (!RemotingServices.IsTransparentProxy(o))
{
Console.WriteLine("o {0} ot {1} is not transparent proxy!", o, ot);
throw new InvalidOperationException("object which is not a transparent proxy passed to WriteProxy, type " + ot);
}
ObjRef or = RemotingServices.GetObjRefForProxy((System.MarshalByRefObject)o);
Ice.Identity proxy_ident = new Ice.Identity(or.URI.StartsWith("/") ? or.URI.Substring(1) : or.URI);
Ice.Endpoint proxy_ep = null;
foreach (object cdo in or.ChannelInfo.ChannelData)
{
ChannelDataStore cd = cdo as ChannelDataStore;
if (cd == null)
{
continue;
}
foreach (string ch_uri in cd.ChannelUris)
{
string host;
int port;
string uri;
if (IceChannelUtils.ParseIceURL(ch_uri, out host, out port, out uri))
{
proxy_ep = new Ice.TcpEndpoint(host, port);
proxy_ep.Incoming = true;
break;
}
}
}
if (proxy_ep == null)
{
throw new InvalidOperationException("Couldn't find valid Ice endpoint/channel for " + o);
}
Ice.ProxyData pd = new Ice.ProxyData();
pd.id = proxy_ident;
pd.facet = new string[0];
pd.mode = ProxyMode.Twoway; // FIXME -- do I need to send multiple proxy things here?
pd.secure = false;
WriteStruct(pd);
WriteSize(1); // one endpoint follows
// tcp endpoint encapsulation
WriteObject((short)1); // it's a TCP endpoint
BeginEncapsulation();
Ice.TcpEndpoint te = proxy_ep as Ice.TcpEndpoint;
Write(te.host);
WriteObject(te.port);
WriteObject(te.timeout);
WriteObject(te.compress);
EndEncapsulation();
}
public string Parse(string url, out string objectURI)
{
string host;
int port;
string rest;
IceChannelUtils.ParseIceURL(url, out host, out port, out rest);
objectURI = rest;
return("ice://" + host + ":" + port);
}
public void AsyncProcessResponse(IClientResponseChannelSinkStack sinkStack,
object state,
ITransportHeaders headers,
Stream stream)
{
IMessage reqMessage = (IMessage)state;
IMessage replyMessage = (IMessage)IceChannelUtils.ProtocolReplyToMessage(stream, reqMessage);
stream.Close();
sinkStack.DispatchReplyMessage(replyMessage);
}
public string Parse(string url, out string objectURI)
{
int port;
string host;
string uri;
objectURI = null;
if (!IceChannelUtils.ParseIceURL(url, out host, out port, out uri))
{
return(null);
}
objectURI = uri;
return("ice://" + host + ":" + port);
}
private void FormatMessage(IMessage msg, out Stream msgStream)
{
IMethodCallMessage mcall = msg as IMethodCallMessage;
// if the identity wasn't set by the custom proxy, then we
// extract it from the uri
if (mcall.LogicalCallContext.GetData("__iceIdentity") == null)
{
// extract the Identity from the URI
// FIXME FIXME FIXME -- this is supposed to be a Uri, why's it look like a Url??
Trace.WriteLine("IceClientFormatterSink: using identity from " + mcall.Uri);
if (mcall.Uri == null)
{
throw new Exception("__iceIdentity property not set by IceClientFormatterSink upstream, and mcall.Uri == null!");
}
string h, r;
int p;
IceChannelUtils.ParseIceURL(mcall.Uri, out h, out p, out r);
mcall.LogicalCallContext.SetData("__iceIdentity", new Ice.Identity(r));
}
mcall.LogicalCallContext.SetData("__iceFacetPath", new string[0]);
mcall.LogicalCallContext.SetData("__iceContext", new Ice.Context());
OperationMode opmode = OperationMode.Normal;
Ice.OperationModeAttribute opmodeattr =
(Ice.OperationModeAttribute)Attribute.GetCustomAttribute(mcall.MethodBase, typeof(Ice.OperationModeAttribute));
if (opmodeattr != null)
{
opmode = opmodeattr.mode;
}
mcall.LogicalCallContext.SetData("__iceOperationMode", opmode);
if (Attribute.GetCustomAttribute(mcall.MethodBase, typeof(OneWayAttribute)) != null)
{
mcall.LogicalCallContext.SetData("__iceOneWay", true);
}
else
{
mcall.LogicalCallContext.SetData("__iceOneWay", false);
}
msgStream = new MemoryStream();
IceChannelUtils.MessageToProtocolRequest(msgStream, msg);
}
public IClientChannelSink CreateSink(IChannelSender channel,
string url,
object remoteChannelData)
{
string host;
int port;
string rest;
IceChannelUtils.ParseIceURL(url, out host, out port, out rest);
string key = host + ":" + port;
if (!_uriMap.Contains(key))
{
IClientChannelSink cs = new IceClientTransportSink(url);
_uriMap[key] = cs;
}
return((IClientChannelSink)_uriMap[key]);
}
public Proxy(Type rootType,
string url)
: base(rootType)
{
string host;
int port;
string rest;
IceChannelUtils.ParseIceURL(url, out host, out port, out rest);
_url = url;
_identity = new Ice.Identity(rest);
_facetPath = new string[0];
_secure = false;
_typeIds = null;
_realObject = null;
FindChannel();
}
// read an object of type t from the stream
// does NOT handle reading classes, since these
// have to be read by ref and patched
public object ReadObject(Type t)
{
if (t.IsPrimitive)
{
if (t == typeof(bool))
{
return(ReadBoolean());
}
if (t == typeof(byte))
{
return(ReadByte());
}
if (t == typeof(short))
{
return(ReadInt16());
}
if (t == typeof(int))
{
return(ReadInt32());
}
if (t == typeof(long))
{
return(ReadInt64());
}
if (t == typeof(float))
{
return(ReadSingle());
}
if (t == typeof(double))
{
return(ReadDouble());
}
throw new NotImplementedException("ReadObject can't read primitive type " + t);
}
if (t == typeof(string))
{
return(ReadString());
}
if (t.IsEnum)
{
Type ue = Enum.GetUnderlyingType(t);
if (ue == typeof(byte))
{
byte i = ReadByte();
return(Enum.ToObject(t, i));
}
if (ue == typeof(short))
{
short i = ReadInt16();
return(Enum.ToObject(t, i));
}
if (ue == typeof(int))
{
int i = ReadInt32();
return(Enum.ToObject(t, i));
}
throw new NotSupportedException("ReadObject can't read enum with underlying type " + ue);
}
if (t.IsSubclassOf(typeof(Ice.Dictionary)))
{
object o = Activator.CreateInstance(t);
Ice.Dictionary dict = o as Ice.Dictionary;
return(ReadDictionary(dict));
}
if (t.IsArray)
{
int sz = ReadSize();
Type eltype = t.GetElementType();
// System.Console.WriteLine ("Reading Array: {0} {1}", sz, eltype);
Array ao = Array.CreateInstance(eltype, sz);
if (IceChannelUtils.IceByValue(eltype))
{
for (int i = 0; i < sz; i++)
{
object elem = ReadObject(eltype);
ao.SetValue(elem, i);
// System.Console.WriteLine (" {0}: {1}", i, elem);
}
}
else
{
// this is a class type (and isn't a string or dictionary)
for (int i = 0; i < sz; i++)
{
int r = ReadClassInstanceRef();
if (r == 0)
{
ao.SetValue(null, i);
}
else
{
_instancePatchList.Add(new ArrayPatchInfo(r, ao, i));
}
}
}
return(ao);
}
if (t.IsValueType)
{
object o = Activator.CreateInstance(t);
MethodInfo unmarshal = t.GetMethod("ice_unmarshal",
BindingFlags.Instance |
BindingFlags.Public |
BindingFlags.DeclaredOnly);
if (unmarshal != null)
{
object[] args = new object[1];
args[0] = this;
try {
unmarshal.Invoke(o, args);
} catch (TargetInvocationException te) {
throw te.InnerException;
}
}
else
{
foreach (FieldInfo field in t.GetFields())
{
if (IceChannelUtils.IceByValue(field.FieldType))
{
object elem = ReadObject(field.FieldType);
field.SetValue(o, elem);
}
else
{
// this is a class type
int r = ReadClassInstanceRef();
if (r == 0)
{
field.SetValue(o, null);
}
else
{
_instancePatchList.Add(new FieldPatchInfo(r, o, field));
}
}
}
}
return(o);
}
Console.WriteLine("ReadObject: can't read type " + t);
throw new NotSupportedException("ReadObject: can't read type " + t);
}
public object ReadDictionary(Ice.Dictionary dict)
{
Ice.DictionaryInfo dinfo = dict.IceDictInfo;
int count = ReadSize();
for (int i = 0; i < count; i++)
{
object k, v;
bool haveKey, haveValue;
if (IceChannelUtils.IceByValue(dinfo.keyType))
{
k = ReadObject(dinfo.keyType);
haveKey = true;
}
else
{
k = ReadClassInstanceRef();
if ((int)k == 0)
{
throw new InvalidOperationException("Got NULL dictionary key, expected class ref for type " + dinfo.keyType);
}
else
{
haveKey = false;
}
}
if (IceChannelUtils.IceByValue(dinfo.valueType))
{
v = ReadObject(dinfo.valueType);
haveValue = true;
}
else
{
v = ReadClassInstanceRef();
if ((int)v == 0)
{
v = null;
haveValue = true;
}
else
{
haveValue = false;
}
}
// if we have both the key and value, we put them in.
// otherwise, we have to create a patch based on what
// bits we have.
if (haveKey && haveValue)
{
dict.Add(k, v);
}
else
{
if (haveKey)
{
_instancePatchList.Add(new DictionaryValuePatchInfo((int)v, dict, k));
}
else if (haveValue)
{
_instancePatchList.Add(new DictionaryKeyPatchInfo((int)k, dict, v));
}
else
{
_instancePatchList.Add(new DictionaryEntryPatchInfo((int)k, dict, (int)v));
}
}
}
return(dict);
}
public object ReadSlice(object inst)
{
string sliceName = ReadSliceName();
int sliceDataSize = ReadInt32();
sliceDataSize -= 4; // size includes the 4 bytes of the size itself
Type sliceType = IceUtil.IceNameToType(sliceName);
if (sliceType == null)
{
// this means we have no local definition of this slice;
// we keep going. Eventually we will hit an Ice.Object,
// which is the terminating condition of this recursion,
// since we know we have Ice.Object defined.
ReadBytes(sliceDataSize);
return(ReadSlice(inst));
}
if (inst == null)
{
// if it's null, it has yet to be created, and this is
// the first (i.e. most derived) slice that we
// understand.
inst = Activator.CreateInstance(sliceType);
}
MethodInfo unmarshal = sliceType.GetMethod("ice_unmarshal",
BindingFlags.Instance |
BindingFlags.Public |
BindingFlags.DeclaredOnly);
if (unmarshal != null)
{
object[] args = new object[1];
args[0] = this;
try {
unmarshal.Invoke(inst, args);
} catch (TargetInvocationException te) {
throw te.InnerException;
}
}
else
{
FieldInfo[] fields = sliceType.GetFields(BindingFlags.Instance |
BindingFlags.Public |
BindingFlags.DeclaredOnly);
foreach (FieldInfo field in fields)
{
if (IceChannelUtils.IceByValue(field.FieldType))
{
object elem = ReadObject(field.FieldType);
field.SetValue(inst, elem);
}
else
{
// this is a class type
int r = ReadClassInstanceRef();
if (r == 0)
{
field.SetValue(inst, null);
}
else
{
_instancePatchList.Add(new FieldPatchInfo(r, inst, field));
}
}
}
}
if (sliceType == typeof(Ice.Object))
{
return(inst);
}
else
{
return(ReadSlice(inst));
}
}
