public override bool ice_invoke(byte[] inParams, out byte[] outParams, Ice.Current current)
{
outParams = null;
Ice.Communicator communicator = current.adapter.getCommunicator();
Ice.InputStream inStream = null;
if (inParams.Length > 0)
{
inStream = new Ice.InputStream(communicator, inParams);
inStream.startEncapsulation();
}
if (current.operation.Equals("printString"))
{
string message = inStream.readString();
inStream.endEncapsulation();
Console.WriteLine("Printing string `" + message + "'");
return(true);
}
else if (current.operation.Equals("printStringSequence"))
{
String[] seq = Demo.StringSeqHelper.read(inStream);
inStream.endEncapsulation();
Console.Write("Printing string sequence {");
for (int i = 0; i < seq.Length; ++i)
{
if (i > 0)
{
Console.Write(", ");
}
Console.Write("'" + seq[i] + "'");
}
Console.WriteLine("}");
return(true);
}
else if (current.operation.Equals("printDictionary"))
{
Dictionary <string, string> dict = Demo.StringDictHelper.read(inStream);
inStream.endEncapsulation();
Console.Write("Printing dictionary {");
bool first = true;
foreach (KeyValuePair <string, string> e in dict)
{
if (!first)
{
Console.Write(", ");
}
first = false;
Console.Write(e.Key + "=" + e.Value);
}
Console.WriteLine("}");
return(true);
}
else if (current.operation.Equals("printEnum"))
{
Demo.Color c = Demo.ColorHelper.read(inStream);
inStream.endEncapsulation();
Console.WriteLine("Printing enum " + c);
return(true);
}
else if (current.operation.Equals("printStruct"))
{
Demo.Structure s = Demo.Structure.read(inStream);
inStream.endEncapsulation();
Console.WriteLine("Printing struct: name=" + s.name + ", value=" + s.value);
return(true);
}
else if (current.operation.Equals("printStructSequence"))
{
Demo.Structure[] seq = Demo.StructureSeqHelper.read(inStream);
inStream.endEncapsulation();
Console.Write("Printing struct sequence: {");
for (int i = 0; i < seq.Length; ++i)
{
if (i > 0)
{
Console.Write(", ");
}
Console.Write(seq[i].name + "=" + seq[i].value);
}
Console.WriteLine("}");
return(true);
}
else if (current.operation.Equals("printClass"))
{
ReadValueCallback cb = new ReadValueCallback();
inStream.readValue(cb.invoke);
inStream.readPendingValues();
inStream.endEncapsulation();
Demo.C c = cb.obj as Demo.C;
Console.WriteLine("Printing class: s.name=" + c.s.name + ", s.value=" + c.s.value);
return(true);
}
else if (current.operation.Equals("getValues"))
{
Demo.C c = new Demo.C();
c.s = new Demo.Structure();
c.s.name = "green";
c.s.value = Demo.Color.green;
Ice.OutputStream outStream = new Ice.OutputStream(communicator);
outStream.startEncapsulation();
outStream.writeValue(c);
outStream.writeString("hello");
outStream.writePendingValues();
outStream.endEncapsulation();
outParams = outStream.finished();
return(true);
}
else if (current.operation.Equals("throwPrintFailure"))
{
Console.WriteLine("Throwing PrintFailure");
Demo.PrintFailure ex = new Demo.PrintFailure();
ex.reason = "paper tray empty";
Ice.OutputStream outStream = new Ice.OutputStream(communicator);
outStream.startEncapsulation();
outStream.writeException(ex);
outStream.endEncapsulation();
outParams = outStream.finished();
return(false);
}
else if (current.operation.Equals("shutdown"))
{
current.adapter.getCommunicator().shutdown();
return(true);
}
else
{
Ice.OperationNotExistException ex = new Ice.OperationNotExistException();
ex.id = current.id;
ex.facet = current.facet;
ex.operation = current.operation;
throw ex;
}
}
private static int run(Ice.Communicator communicator)
{
var obj = communicator.propertyToProxy("Printer.Proxy");
menu();
string line = null;
do
{
try
{
Console.Write("==> ");
Console.Out.Flush();
line = Console.In.ReadLine();
if (line == null)
{
break;
}
byte[] outParams;
if (line.Equals("1"))
{
//
// Marshal the in parameter.
//
var outStream = new Ice.OutputStream(communicator);
outStream.startEncapsulation();
outStream.writeString("The streaming API works!");
outStream.endEncapsulation();
//
// Invoke operation.
//
if (!obj.ice_invoke("printString", Ice.OperationMode.Normal, outStream.finished(),
out outParams))
{
Console.Error.WriteLine("Unknown user exception");
}
}
else if (line.Equals("2"))
{
//
// Marshal the in parameter.
//
var outStream = new Ice.OutputStream(communicator);
outStream.startEncapsulation();
string[] arr = { "The", "streaming", "API", "works!" };
StringSeqHelper.write(outStream, arr);
outStream.endEncapsulation();
//
// Invoke operation.
//
if (!obj.ice_invoke("printStringSequence", Ice.OperationMode.Normal, outStream.finished(),
out outParams))
{
Console.Error.WriteLine("Unknown user exception");
}
}
else if (line.Equals("3"))
{
//
// Marshal the in parameter.
//
var outStream = new Ice.OutputStream(communicator);
outStream.startEncapsulation();
var dict = new Dictionary <string, string>()
{
{ "The", "streaming" },
{ "API", "works!" }
};
StringDictHelper.write(outStream, dict);
outStream.endEncapsulation();
//
// Invoke operation.
//
if (!obj.ice_invoke("printDictionary", Ice.OperationMode.Normal, outStream.finished(),
out outParams))
{
Console.Error.WriteLine("Unknown user exception");
}
}
else if (line.Equals("4"))
{
//
// Marshal the in parameter.
//
var outStream = new Ice.OutputStream(communicator);
outStream.startEncapsulation();
ColorHelper.write(outStream, Color.green);
outStream.endEncapsulation();
//
// Invoke operation.
//
if (!obj.ice_invoke("printEnum", Ice.OperationMode.Normal, outStream.finished(), out outParams))
{
Console.Error.WriteLine("Unknown user exception");
}
}
else if (line.Equals("5"))
{
//
// Marshal the in parameter.
//
var outStream = new Ice.OutputStream(communicator);
outStream.startEncapsulation();
var s = new Structure("red", Color.red);
Structure.ice_write(outStream, s);
outStream.endEncapsulation();
//
// Invoke operation.
//
if (!obj.ice_invoke("printStruct", Ice.OperationMode.Normal, outStream.finished(),
out outParams))
{
Console.Error.WriteLine("Unknown user exception");
}
}
else if (line.Equals("6"))
{
//
// Marshal the in parameter.
//
var outStream = new Ice.OutputStream(communicator);
outStream.startEncapsulation();
Structure[] arr =
{
new Structure("red", Color.red),
new Structure("green", Color.green),
new Structure("blue", Color.blue)
};
StructureSeqHelper.write(outStream, arr);
outStream.endEncapsulation();
//
// Invoke operation.
//
if (!obj.ice_invoke("printStructSequence", Ice.OperationMode.Normal, outStream.finished(),
out outParams))
{
Console.Error.WriteLine("Unknown user exception");
}
}
else if (line.Equals("7"))
{
//
// Marshal the in parameter.
//
Ice.OutputStream outStream = new Ice.OutputStream(communicator);
outStream.startEncapsulation();
var c = new C(new Structure("blue", Color.blue));
outStream.writeValue(c);
outStream.writePendingValues();
outStream.endEncapsulation();
//
// Invoke operation.
//
if (!obj.ice_invoke("printClass", Ice.OperationMode.Normal, outStream.finished(), out outParams))
{
Console.Error.WriteLine("Unknown user exception");
}
}
else if (line.Equals("8"))
{
//
// Invoke operation.
//
if (!obj.ice_invoke("getValues", Ice.OperationMode.Normal, null, out outParams))
{
Console.Error.WriteLine("Unknown user exception");
continue;
}
//
// Unmarshal the results.
//
var inStream = new Ice.InputStream(communicator, outParams);
inStream.startEncapsulation();
var cb = new ReadValueCallback();
inStream.readValue(cb.invoke);
var str = inStream.readString();
inStream.readPendingValues();
var c = cb.obj as C;
Console.Error.WriteLine("Got string `" + str + "' and class: s.name=" + c.s.name +
", s.value=" + c.s.value);
}
else if (line.Equals("9"))
{
//
// Invoke operation.
//
if (obj.ice_invoke("throwPrintFailure", Ice.OperationMode.Normal, null, out outParams))
{
Console.Error.WriteLine("Expected exception");
continue;
}
var inStream = new Ice.InputStream(communicator, outParams);
inStream.startEncapsulation();
try
{
inStream.throwException();
}
catch (PrintFailure)
{
// Expected.
}
catch (Ice.UserException)
{
Console.Error.WriteLine("Unknown user exception");
}
inStream.endEncapsulation();
}
else if (line.Equals("s"))
{
obj.ice_invoke("shutdown", Ice.OperationMode.Normal, null, out outParams);
}
else if (line.Equals("x"))
{
// Nothing to do.
}
else if (line.Equals("?"))
{
menu();
}
else
{
Console.Error.WriteLine("unknown command `" + line + "'");
menu();
}
}
catch (Ice.LocalException ex)
{
Console.Error.WriteLine(ex);
}
}while(!line.Equals("x"));
return(0);
}
public override bool ice_invoke(byte[] inParams, out byte[] outParams, Ice.Current current)
{
outParams = null;
bool result = true;
var communicator = current.adapter.getCommunicator();
Ice.InputStream inStream = null;
if (inParams.Length > 0)
{
inStream = new Ice.InputStream(communicator, inParams);
inStream.startEncapsulation();
}
if (current.operation.Equals("printString"))
{
var message = inStream.readString();
Console.WriteLine("Printing string `" + message + "'");
}
else if (current.operation.Equals("printStringSequence"))
{
var seq = StringSeqHelper.read(inStream);
Console.Write("Printing string sequence {");
for (int i = 0; i < seq.Length; ++i)
{
if (i > 0)
{
Console.Write(", ");
}
Console.Write("'" + seq[i] + "'");
}
Console.WriteLine("}");
}
else if (current.operation.Equals("printDictionary"))
{
var dict = StringDictHelper.read(inStream);
Console.Write("Printing dictionary {");
bool first = true;
foreach (var e in dict)
{
if (!first)
{
Console.Write(", ");
}
first = false;
Console.Write(e.Key + "=" + e.Value);
}
Console.WriteLine("}");
}
else if (current.operation.Equals("printEnum"))
{
var c = ColorHelper.read(inStream);
Console.WriteLine("Printing enum " + c);
}
else if (current.operation.Equals("printStruct"))
{
var s = Structure.ice_read(inStream);
Console.WriteLine("Printing struct: name=" + s.name + ", value=" + s.value);
}
else if (current.operation.Equals("printStructSequence"))
{
var seq = StructureSeqHelper.read(inStream);
Console.Write("Printing struct sequence: {");
for (int i = 0; i < seq.Length; ++i)
{
if (i > 0)
{
Console.Write(", ");
}
Console.Write(seq[i].name + "=" + seq[i].value);
}
Console.WriteLine("}");
}
else if (current.operation.Equals("printClass"))
{
var cb = new ReadValueCallback();
inStream.readValue(cb.invoke);
inStream.readPendingValues();
var c = cb.obj as C;
Console.WriteLine("Printing class: s.name=" + c.s.name + ", s.value=" + c.s.value);
}
else if (current.operation.Equals("getValues"))
{
var c = new C(new Structure("green", Color.green));
var outStream = new Ice.OutputStream(communicator);
outStream.startEncapsulation();
outStream.writeValue(c);
outStream.writeString("hello");
outStream.writePendingValues();
outStream.endEncapsulation();
outParams = outStream.finished();
}
else if (current.operation.Equals("throwPrintFailure"))
{
Console.WriteLine("Throwing PrintFailure");
var ex = new PrintFailure("paper tray empty");
var outStream = new Ice.OutputStream(communicator);
outStream.startEncapsulation();
outStream.writeException(ex);
outStream.endEncapsulation();
outParams = outStream.finished();
result = false;
}
else if (current.operation.Equals("shutdown"))
{
current.adapter.getCommunicator().shutdown();
}
else
{
throw new Ice.OperationNotExistException(current.id, current.facet, current.operation);
}
//
// Make sure we read all in parameters
//
inStream.endEncapsulation();
return(result);
}
public override int run(string[] args)
{
if (args.Length > 0)
{
Console.Error.WriteLine(appName() + ": too many arguments");
return(1);
}
Ice.ObjectPrx obj = communicator().propertyToProxy("Printer.Proxy");
menu();
string line = null;
do
{
try
{
Console.Write("==> ");
Console.Out.Flush();
line = Console.In.ReadLine();
if (line == null)
{
break;
}
byte[] outParams;
if (line.Equals("1"))
{
//
// Marshal the in parameter.
//
Ice.OutputStream outStream = new Ice.OutputStream(communicator());
outStream.startEncapsulation();
outStream.writeString("The streaming API works!");
outStream.endEncapsulation();
//
// Invoke operation.
//
if (!obj.ice_invoke("printString", Ice.OperationMode.Normal, outStream.finished(),
out outParams))
{
Console.Error.WriteLine("Unknown user exception");
}
}
else if (line.Equals("2"))
{
//
// Marshal the in parameter.
//
Ice.OutputStream outStream = new Ice.OutputStream(communicator());
outStream.startEncapsulation();
string[] arr = { "The", "streaming", "API", "works!" };
Demo.StringSeqHelper.write(outStream, arr);
outStream.endEncapsulation();
//
// Invoke operation.
//
if (!obj.ice_invoke("printStringSequence", Ice.OperationMode.Normal, outStream.finished(),
out outParams))
{
Console.Error.WriteLine("Unknown user exception");
}
}
else if (line.Equals("3"))
{
//
// Marshal the in parameter.
//
Ice.OutputStream outStream = new Ice.OutputStream(communicator());
outStream.startEncapsulation();
Dictionary <string, string> dict = new Dictionary <string, string>();
dict["The"] = "streaming";
dict["API"] = "works!";
Demo.StringDictHelper.write(outStream, dict);
outStream.endEncapsulation();
//
// Invoke operation.
//
if (!obj.ice_invoke("printDictionary", Ice.OperationMode.Normal, outStream.finished(),
out outParams))
{
Console.Error.WriteLine("Unknown user exception");
}
}
else if (line.Equals("4"))
{
//
// Marshal the in parameter.
//
Ice.OutputStream outStream = new Ice.OutputStream(communicator());
outStream.startEncapsulation();
Demo.ColorHelper.write(outStream, Demo.Color.green);
outStream.endEncapsulation();
//
// Invoke operation.
//
if (!obj.ice_invoke("printEnum", Ice.OperationMode.Normal, outStream.finished(), out outParams))
{
Console.Error.WriteLine("Unknown user exception");
}
}
else if (line.Equals("5"))
{
//
// Marshal the in parameter.
//
Ice.OutputStream outStream = new Ice.OutputStream(communicator());
outStream.startEncapsulation();
Demo.Structure s = new Demo.Structure();
s.name = "red";
s.value = Demo.Color.red;
Demo.Structure.write(outStream, s);
outStream.endEncapsulation();
//
// Invoke operation.
//
if (!obj.ice_invoke("printStruct", Ice.OperationMode.Normal, outStream.finished(),
out outParams))
{
Console.Error.WriteLine("Unknown user exception");
}
}
else if (line.Equals("6"))
{
//
// Marshal the in parameter.
//
Ice.OutputStream outStream = new Ice.OutputStream(communicator());
outStream.startEncapsulation();
Demo.Structure[] arr = new Demo.Structure[3];
arr[0] = new Demo.Structure();
arr[0].name = "red";
arr[0].value = Demo.Color.red;
arr[1] = new Demo.Structure();
arr[1].name = "green";
arr[1].value = Demo.Color.green;
arr[2] = new Demo.Structure();
arr[2].name = "blue";
arr[2].value = Demo.Color.blue;
Demo.StructureSeqHelper.write(outStream, arr);
outStream.endEncapsulation();
//
// Invoke operation.
//
if (!obj.ice_invoke("printStructSequence", Ice.OperationMode.Normal, outStream.finished(),
out outParams))
{
Console.Error.WriteLine("Unknown user exception");
}
}
else if (line.Equals("7"))
{
//
// Marshal the in parameter.
//
Ice.OutputStream outStream = new Ice.OutputStream(communicator());
outStream.startEncapsulation();
Demo.C c = new Demo.C();
c.s = new Demo.Structure();
c.s.name = "blue";
c.s.value = Demo.Color.blue;
outStream.writeValue(c);
outStream.writePendingValues();
outStream.endEncapsulation();
//
// Invoke operation.
//
if (!obj.ice_invoke("printClass", Ice.OperationMode.Normal, outStream.finished(), out outParams))
{
Console.Error.WriteLine("Unknown user exception");
}
}
else if (line.Equals("8"))
{
//
// Invoke operation.
//
if (!obj.ice_invoke("getValues", Ice.OperationMode.Normal, null, out outParams))
{
Console.Error.WriteLine("Unknown user exception");
continue;
}
//
// Unmarshal the results.
//
Ice.InputStream inStream = new Ice.InputStream(communicator(), outParams);
inStream.startEncapsulation();
ReadValueCallback cb = new ReadValueCallback();
inStream.readValue(cb.invoke);
String str = inStream.readString();
inStream.readPendingValues();
Demo.C c = cb.obj as Demo.C;
Console.Error.WriteLine("Got string `" + str + "' and class: s.name=" + c.s.name +
", s.value=" + c.s.value);
}
else if (line.Equals("9"))
{
//
// Invoke operation.
//
if (obj.ice_invoke("throwPrintFailure", Ice.OperationMode.Normal, null, out outParams))
{
Console.Error.WriteLine("Expected exception");
continue;
}
Ice.InputStream inStream = new Ice.InputStream(communicator(), outParams);
inStream.startEncapsulation();
try
{
inStream.throwException();
}
catch (Demo.PrintFailure)
{
// Expected.
}
catch (Ice.UserException)
{
Console.Error.WriteLine("Unknown user exception");
}
inStream.endEncapsulation();
}
else if (line.Equals("s"))
{
obj.ice_invoke("shutdown", Ice.OperationMode.Normal, null, out outParams);
}
else if (line.Equals("x"))
{
// Nothing to do.
}
else if (line.Equals("?"))
{
menu();
}
else
{
Console.Error.WriteLine("unknown command `" + line + "'");
menu();
}
}
catch (Ice.LocalException ex)
{
Console.Error.WriteLine(ex);
}
}while(!line.Equals("x"));
return(0);
}
internal override void readValue(ReadValueCallback cb)
{
int index = _stream.readSize();
if(index < 0)
{
throw new Ice.MarshalException("invalid object id");
}
else if(index == 0)
{
if(cb != null)
{
cb(null);
}
}
else if(_current != null && (_current.sliceFlags & Protocol.FLAG_HAS_INDIRECTION_TABLE) != 0)
{
//
// When reading an instance within a slice and there's an
// indirect instance table, always read an indirect reference
// that points to an instance from the indirect instance table
// marshaled at the end of the Slice.
//
// Maintain a list of indirect references. Note that the
// indirect index starts at 1, so we decrement it by one to
// derive an index into the indirection table that we'll read
// at the end of the slice.
//
if(cb != null)
{
if(_current.indirectPatchList == null)
{
_current.indirectPatchList = new Stack<IndirectPatchEntry>();
}
IndirectPatchEntry e = new IndirectPatchEntry();
e.index = index - 1;
e.patcher = cb;
_current.indirectPatchList.Push(e);
}
}
else
{
readInstance(index, cb);
}
}
private int readInstance(int index, ReadValueCallback cb)
{
Debug.Assert(index > 0);
if(index > 1)
{
if(cb != null)
{
addPatchEntry(index, cb);
}
return index;
}
push(SliceType.ValueSlice);
//
// Get the instance ID before we start reading slices. If some
// slices are skipped, the indirect instance table are still read and
// might read other instances.
//
index = ++_valueIdIndex;
//
// Read the first slice header.
//
startSlice();
string mostDerivedId = _current.typeId;
Ice.Object v = null;
while(true)
{
bool updateCache = false;
if(_current.compactId >= 0)
{
updateCache = true;
//
// Translate a compact (numeric) type ID into a class.
//
if(_compactIdCache == null)
{
_compactIdCache = new Dictionary<int, Type>(); // Lazy initialization.
}
else
{
//
// Check the cache to see if we've already translated the compact type ID into a class.
//
Type cls = null;
_compactIdCache.TryGetValue(_current.compactId, out cls);
if(cls != null)
{
try
{
Debug.Assert(!cls.IsAbstract && !cls.IsInterface);
v = (Ice.Object)IceInternal.AssemblyUtil.createInstance(cls);
updateCache = false;
}
catch(Exception ex)
{
throw new NoValueFactoryException("no value factory", "compact ID " +
_current.compactId, ex);
}
}
}
//
// If we haven't already cached a class for the compact ID, then try to translate the
// compact ID into a type ID.
//
if(v == null)
{
_current.typeId = "";
if(_compactIdResolver != null)
{
try
{
_current.typeId = _compactIdResolver(_current.compactId);
}
catch(Ice.LocalException)
{
throw;
}
catch(System.Exception ex)
{
throw new Ice.MarshalException("exception in CompactIdResolver for ID " +
_current.compactId, ex);
}
}
if(_current.typeId.Length == 0)
{
_current.typeId = _stream.instance().resolveCompactId(_current.compactId);
}
}
}
if(v == null && _current.typeId.Length > 0)
{
v = newInstance(_current.typeId);
}
if(v != null)
{
if(updateCache)
{
Debug.Assert(_current.compactId >= 0);
_compactIdCache.Add(_current.compactId, v.GetType());
}
//
// We have an instance, get out of this loop.
//
break;
}
//
// If slicing is disabled, stop unmarshaling.
//
if(!_sliceValues)
{
throw new NoValueFactoryException("no value factory found and slicing is disabled",
_current.typeId);
}
//
// Slice off what we don't understand.
//
skipSlice();
//
// If this is the last slice, keep the instance as an opaque
// UnknownSlicedValue object.
//
if((_current.sliceFlags & Protocol.FLAG_IS_LAST_SLICE) != 0)
{
//
// Provide a factory with an opportunity to supply the instance.
// We pass the "::Ice::Object" ID to indicate that this is the
// last chance to preserve the instance.
//
v = newInstance(Ice.ObjectImpl.ice_staticId());
if(v == null)
{
v = new Ice.UnknownSlicedValue(mostDerivedId);
}
break;
}
startSlice(); // Read next Slice header for next iteration.
}
//
// Unmarshal the instance.
//
unmarshal(index, v);
if(_current == null && _patchMap != null && _patchMap.Count > 0)
{
//
// If any entries remain in the patch map, the sender has sent an index for an instance, but failed
// to supply the instance.
//
throw new Ice.MarshalException("index for class received, but no instance");
}
if(cb != null)
{
cb(v);
}
return index;
}
protected void addPatchEntry(int index, ReadValueCallback cb)
{
Debug.Assert(index > 0);
//
// Check if we already unmarshaled the instance. If that's the case,
// just call the callback and we're done.
//
Ice.Object obj;
if(_unmarshaledMap.TryGetValue(index, out obj))
{
cb(obj);
return;
}
if(_patchMap == null)
{
_patchMap = new Dictionary<int, LinkedList<ReadValueCallback>>();
}
//
// Add patch entry if the instance isn't unmarshaled yet,
// the callback will be called when the instance is
// unmarshaled.
//
LinkedList<ReadValueCallback> l;
if(!_patchMap.TryGetValue(index, out l))
{
//
// We have no outstanding instances to be patched for this
// index, so make a new entry in the patch map.
//
l = new LinkedList<ReadValueCallback>();
_patchMap.Add(index, l);
}
//
// Append a patch entry for this instance.
//
l.AddLast(cb);
}
internal override void readValue(ReadValueCallback cb)
{
Debug.Assert(cb != null);
//
// Object references are encoded as a negative integer in 1.0.
//
int index = _stream.readInt();
if(index > 0)
{
throw new Ice.MarshalException("invalid object id");
}
index = -index;
if(index == 0)
{
cb(null);
}
else
{
addPatchEntry(index, cb);
}
}
internal abstract void readValue(ReadValueCallback cb);
/// <summary>
/// Extracts the index of an optional Slice value from the stream.
/// </summary>
/// <param name="tag">The numeric tag associated with the value.</param>
/// <param name="cb">The callback to notify the application when the extracted instance is available (if any).
/// The stream extracts Slice values in stages. The Ice run time invokes the delegate when the
/// corresponding instance has been fully unmarshaled.</param>
public void readValue(int tag, ReadValueCallback cb)
{
if(readOptional(tag, Ice.OptionalFormat.Class))
{
readValue(cb);
}
}
/// <summary>
/// Extracts the index of a Slice value from the stream.
/// </summary>
/// <param name="cb">The callback to notify the application when the extracted instance is available.
/// The stream extracts Slice values in stages. The Ice run time invokes the delegate when the
/// corresponding instance has been fully unmarshaled.</param>
public void readValue(ReadValueCallback cb)
{
initEncaps();
_encapsStack.decoder.readValue(cb);
}
public override int run(string[] args)
{
if(args.Length > 0)
{
Console.Error.WriteLine(appName() + ": too many arguments");
return 1;
}
var obj = communicator().propertyToProxy("Printer.Proxy");
menu();
string line = null;
do
{
try
{
Console.Write("==> ");
Console.Out.Flush();
line = Console.In.ReadLine();
if(line == null)
{
break;
}
byte[] outParams;
if(line.Equals("1"))
{
//
// Marshal the in parameter.
//
var outStream = new Ice.OutputStream(communicator());
outStream.startEncapsulation();
outStream.writeString("The streaming API works!");
outStream.endEncapsulation();
//
// Invoke operation.
//
if(!obj.ice_invoke("printString", Ice.OperationMode.Normal, outStream.finished(),
out outParams))
{
Console.Error.WriteLine("Unknown user exception");
}
}
else if(line.Equals("2"))
{
//
// Marshal the in parameter.
//
var outStream = new Ice.OutputStream(communicator());
outStream.startEncapsulation();
string[] arr = { "The", "streaming", "API", "works!" };
StringSeqHelper.write(outStream, arr);
outStream.endEncapsulation();
//
// Invoke operation.
//
if(!obj.ice_invoke("printStringSequence", Ice.OperationMode.Normal, outStream.finished(),
out outParams))
{
Console.Error.WriteLine("Unknown user exception");
}
}
else if(line.Equals("3"))
{
//
// Marshal the in parameter.
//
var outStream = new Ice.OutputStream(communicator());
outStream.startEncapsulation();
var dict = new Dictionary<string, string>()
{
{ "The", "streaming" },
{ "API", "works!"}
};
StringDictHelper.write(outStream, dict);
outStream.endEncapsulation();
//
// Invoke operation.
//
if(!obj.ice_invoke("printDictionary", Ice.OperationMode.Normal, outStream.finished(),
out outParams))
{
Console.Error.WriteLine("Unknown user exception");
}
}
else if(line.Equals("4"))
{
//
// Marshal the in parameter.
//
var outStream = new Ice.OutputStream(communicator());
outStream.startEncapsulation();
ColorHelper.write(outStream, Color.green);
outStream.endEncapsulation();
//
// Invoke operation.
//
if(!obj.ice_invoke("printEnum", Ice.OperationMode.Normal, outStream.finished(), out outParams))
{
Console.Error.WriteLine("Unknown user exception");
}
}
else if(line.Equals("5"))
{
//
// Marshal the in parameter.
//
var outStream = new Ice.OutputStream(communicator());
outStream.startEncapsulation();
var s = new Structure("read", Color.red);
Structure.write(outStream, s);
outStream.endEncapsulation();
//
// Invoke operation.
//
if(!obj.ice_invoke("printStruct", Ice.OperationMode.Normal, outStream.finished(),
out outParams))
{
Console.Error.WriteLine("Unknown user exception");
}
}
else if(line.Equals("6"))
{
//
// Marshal the in parameter.
//
var outStream = new Ice.OutputStream(communicator());
outStream.startEncapsulation();
Structure[] arr =
{
new Structure("red", Color.red),
new Structure("green", Color.green),
new Structure("blue", Color.blue)
};
StructureSeqHelper.write(outStream, arr);
outStream.endEncapsulation();
//
// Invoke operation.
//
if(!obj.ice_invoke("printStructSequence", Ice.OperationMode.Normal, outStream.finished(),
out outParams))
{
Console.Error.WriteLine("Unknown user exception");
}
}
else if(line.Equals("7"))
{
//
// Marshal the in parameter.
//
Ice.OutputStream outStream = new Ice.OutputStream(communicator());
outStream.startEncapsulation();
var c = new C(new Structure("blue", Color.blue));
outStream.writeValue(c);
outStream.writePendingValues();
outStream.endEncapsulation();
//
// Invoke operation.
//
if(!obj.ice_invoke("printClass", Ice.OperationMode.Normal, outStream.finished(), out outParams))
{
Console.Error.WriteLine("Unknown user exception");
}
}
else if(line.Equals("8"))
{
//
// Invoke operation.
//
if(!obj.ice_invoke("getValues", Ice.OperationMode.Normal, null, out outParams))
{
Console.Error.WriteLine("Unknown user exception");
continue;
}
//
// Unmarshal the results.
//
var inStream = new Ice.InputStream(communicator(), outParams);
inStream.startEncapsulation();
var cb = new ReadValueCallback();
inStream.readValue(cb.invoke);
var str = inStream.readString();
inStream.readPendingValues();
var c = cb.obj as C;
Console.Error.WriteLine("Got string `" + str + "' and class: s.name=" + c.s.name +
", s.value=" + c.s.value);
}
else if(line.Equals("9"))
{
//
// Invoke operation.
//
if(obj.ice_invoke("throwPrintFailure", Ice.OperationMode.Normal, null, out outParams))
{
Console.Error.WriteLine("Expected exception");
continue;
}
var inStream = new Ice.InputStream(communicator(), outParams);
inStream.startEncapsulation();
try
{
inStream.throwException();
}
catch(PrintFailure)
{
// Expected.
}
catch(Ice.UserException)
{
Console.Error.WriteLine("Unknown user exception");
}
inStream.endEncapsulation();
}
else if(line.Equals("s"))
{
obj.ice_invoke("shutdown", Ice.OperationMode.Normal, null, out outParams);
}
else if(line.Equals("x"))
{
// Nothing to do.
}
else if(line.Equals("?"))
{
menu();
}
else
{
Console.Error.WriteLine("unknown command `" + line + "'");
menu();
}
}
catch(Ice.LocalException ex)
{
Console.Error.WriteLine(ex);
}
}
while(!line.Equals("x"));
return 0;
}
public override bool ice_invoke(byte[] inParams, out byte[] outParams, Ice.Current current)
{
outParams = null;
var communicator = current.adapter.getCommunicator();
Ice.InputStream inStream = null;
if(inParams.Length > 0)
{
inStream = new Ice.InputStream(communicator, inParams);
inStream.startEncapsulation();
}
if(current.operation.Equals("printString"))
{
var message = inStream.readString();
inStream.endEncapsulation();
Console.WriteLine("Printing string `" + message + "'");
return true;
}
else if(current.operation.Equals("printStringSequence"))
{
var seq = StringSeqHelper.read(inStream);
inStream.endEncapsulation();
Console.Write("Printing string sequence {");
for(int i = 0; i < seq.Length; ++i)
{
if(i > 0)
{
Console.Write(", ");
}
Console.Write("'" + seq[i] + "'");
}
Console.WriteLine("}");
return true;
}
else if(current.operation.Equals("printDictionary"))
{
var dict = StringDictHelper.read(inStream);
inStream.endEncapsulation();
Console.Write("Printing dictionary {");
bool first = true;
foreach(var e in dict)
{
if(!first)
{
Console.Write(", ");
}
first = false;
Console.Write(e.Key + "=" + e.Value);
}
Console.WriteLine("}");
return true;
}
else if(current.operation.Equals("printEnum"))
{
var c = ColorHelper.read(inStream);
inStream.endEncapsulation();
Console.WriteLine("Printing enum " + c);
return true;
}
else if(current.operation.Equals("printStruct"))
{
var s = Structure.read(inStream);
inStream.endEncapsulation();
Console.WriteLine("Printing struct: name=" + s.name + ", value=" + s.value);
return true;
}
else if(current.operation.Equals("printStructSequence"))
{
var seq = StructureSeqHelper.read(inStream);
inStream.endEncapsulation();
Console.Write("Printing struct sequence: {");
for(int i = 0; i < seq.Length; ++i)
{
if(i > 0)
{
Console.Write(", ");
}
Console.Write(seq[i].name + "=" + seq[i].value);
}
Console.WriteLine("}");
return true;
}
else if(current.operation.Equals("printClass"))
{
var cb = new ReadValueCallback();
inStream.readValue(cb.invoke);
inStream.readPendingValues();
inStream.endEncapsulation();
var c = cb.obj as C;
Console.WriteLine("Printing class: s.name=" + c.s.name + ", s.value=" + c.s.value);
return true;
}
else if(current.operation.Equals("getValues"))
{
var c = new C(new Structure("green", Color.green));
var outStream = new Ice.OutputStream(communicator);
outStream.startEncapsulation();
outStream.writeValue(c);
outStream.writeString("hello");
outStream.writePendingValues();
outStream.endEncapsulation();
outParams = outStream.finished();
return true;
}
else if(current.operation.Equals("throwPrintFailure"))
{
Console.WriteLine("Throwing PrintFailure");
var ex = new PrintFailure("paper tray empty");
var outStream = new Ice.OutputStream(communicator);
outStream.startEncapsulation();
outStream.writeException(ex);
outStream.endEncapsulation();
outParams = outStream.finished();
return false;
}
else if(current.operation.Equals("shutdown"))
{
current.adapter.getCommunicator().shutdown();
return true;
}
else
{
throw new Ice.OperationNotExistException(current.id, current.facet, current.operation);
}
}
