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|
// **********************************************************************
//
// Copyright (c) 2003
// ZeroC, Inc.
// Billerica, MA, USA
//
// All Rights Reserved.
//
// Ice is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License version 2 as published by
// the Free Software Foundation.
//
// **********************************************************************
#ifndef ICE_STREAM_H
#define ICE_STREAM_H
#include <Ice/InstanceF.h>
#include <Ice/ObjectF.h>
#include <Ice/ProxyF.h>
#include <Ice/ObjectFactoryF.h>
#include <Ice/Buffer.h>
namespace Ice
{
class UserException;
}
namespace IceInternal
{
class ICE_API BasicStream : public Buffer
{
public:
typedef void (*PatchFunc)(void*, Ice::ObjectPtr&);
BasicStream(Instance* = 0);
//
// Must return Instance*, because we don't hold an InstancePtr for
// optimization reasons (see comments below).
//
Instance* instance() const;
void swap(BasicStream&);
void resize(int);
void reserve(int);
void startWriteEncaps();
void endWriteEncaps();
void startReadEncaps();
void endReadEncaps();
void skipReadEncaps();
void checkReadEncaps();
Ice::Int getReadEncapsSize();
void skipEncaps();
void startWriteSlice();
void endWriteSlice();
void startReadSlice();
void endReadSlice();
void skipSlice();
void writeSize(Ice::Int);
void readSize(Ice::Int&);
void writeTypeId(const std::string&);
void readTypeId(std::string&);
void writeBlob(const std::vector<Ice::Byte>&);
void readBlob(std::vector<Ice::Byte>&, Ice::Int);
void writeBlob(const Ice::Byte*, size_t);
void readBlob(Ice::Byte*, size_t);
// Performance critical function inlined, as writing single bytes
// is used in many places in Ice code.
void write(Ice::Byte v)
{
b.push_back(v);
}
void write(const std::vector<Ice::Byte>&);
void read(Ice::Byte&);
void read(std::vector<Ice::Byte>&);
// Performance critical function inlined, as writing single bools
// is used in many places in Ice code.
void write(bool v)
{
b.push_back(static_cast<Ice::Byte>(v));
}
void write(const std::vector<bool>&);
void read(bool&);
void read(std::vector<bool>&);
void write(Ice::Short);
void write(const std::vector<Ice::Short>&);
void read(Ice::Short&);
void read(std::vector<Ice::Short>&);
void write(Ice::Int);
void write(const std::vector<Ice::Int>&);
void read(Ice::Int&);
void read(std::vector<Ice::Int>&);
void write(Ice::Long);
void write(const std::vector<Ice::Long>&);
void read(Ice::Long&);
void read(std::vector<Ice::Long>&);
void write(Ice::Float);
void write(const std::vector<Ice::Float>&);
void read(Ice::Float&);
void read(std::vector<Ice::Float>&);
void write(Ice::Double);
void write(const std::vector<Ice::Double>&);
void read(Ice::Double&);
void read(std::vector<Ice::Double>&);
void write(const std::string&);
void write(const std::vector<std::string>&);
void read(std::string&);
void read(std::vector<std::string>&);
void write(const Ice::ObjectPrx&);
void read(Ice::ObjectPrx&);
void write(const Ice::ObjectPtr&);
void read(PatchFunc, void*);
void write(const Ice::UserException&);
void throwException();
void writePendingObjects();
void readPendingObjects();
struct PatchEntry
{
PatchFunc patchFunc;
void* patchAddr;
};
typedef std::vector<PatchEntry> PatchList;
typedef std::map<Ice::Int, PatchList> PatchMap;
typedef std::map<Ice::Int, Ice::ObjectPtr> IndexToPtrMap;
typedef std::map<Ice::Int, std::string> TypeIdReadMap;
typedef std::map<Ice::ObjectPtr, Ice::Int> PtrToIndexMap;
typedef std::map<std::string, Ice::Int> TypeIdWriteMap;
private:
//
// Optimization. The instance may not be deleted while a
// stack-allocated BasicStream still holds it.
//
Instance* _instance;
class ICE_API ReadEncaps
{
public:
ReadEncaps();
ReadEncaps(const ReadEncaps&);
~ReadEncaps();
Container::size_type start;
Ice::Byte encodingMajor;
Ice::Byte encodingMinor;
PatchMap* patchMap;
IndexToPtrMap* unmarshaledMap;
Ice::Int typeIdIndex;
TypeIdReadMap* typeIdMap;
};
class ICE_API WriteEncaps
{
public:
WriteEncaps();
WriteEncaps(const WriteEncaps&);
~WriteEncaps();
Container::size_type start;
Ice::Int writeIndex;
PtrToIndexMap* toBeMarshaledMap;
PtrToIndexMap* marshaledMap;
Ice::Int typeIdIndex;
TypeIdWriteMap* typeIdMap;
};
std::vector<ReadEncaps> _readEncapsStack;
std::vector<WriteEncaps> _writeEncapsStack;
ReadEncaps* _currentReadEncaps;
WriteEncaps* _currentWriteEncaps;
Container::size_type _readSlice;
Container::size_type _writeSlice;
static const std::string _iceObjectId;
static const std::string _userExceptionId;
void writeInstance(const Ice::ObjectPtr&, Ice::Int);
void patchPointers(::Ice::Int, PatchMap::iterator, IndexToPtrMap::const_iterator);
};
}
#endif
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