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arts/mcop/common.h

142 lines
3.3 KiB

/*
Copyright (C) 2000 Stefan Westerfeld
stefan@space.twc.de
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef COMMON_H
#define COMMON_H
#include "buffer.h"
#include "type.h"
#include "dispatcher.h"
#include "object.h"
#include "connection.h"
#include "objectmanager.h"
#include "idlfilereg.h"
#include "asyncstream.h"
#include "mcoputils.h"
#include "anyref.h"
#include "connect.h"
/*
* BC - Status (2002-03-08): Read/WriteObject(Seq)
*
* Will be kept binary compatible by NOT TOUCHING AT ALL. Do not change this.
* (Interaction with generated code).
*/
/* define this to see what mcop transfers around */
#undef DEBUG_IO
/* define this to see what mcop messages are processed */
#undef DEBUG_MESSAGES
#include "core.h"
namespace Arts {
/* some marshalling helpers */
template<class T>
void readTypeSeq(Buffer& stream, std::vector<T>& sequence) {
sequence.clear();
unsigned long l = stream.readLong();
while(l--) sequence.push_back(T(stream));
}
template<class T>
void writeTypeSeq(Buffer& stream, const std::vector<T>& sequence) {
stream.writeLong(sequence.size());
for(unsigned long l=0;l<sequence.size();l++)
sequence[l].writeType(stream);
}
template<class T>
void writeObject(Buffer& stream, T* object) {
if(object)
{
/*
* perhaps reimplement directly (without conversion to/from string)
* for more speed
*/
std::string s = object->_toString();
Buffer buffer;
buffer.fromString(s,"MCOP-Object");
ObjectReference reference(buffer);
object->_copyRemote(); // prevents that the object is freed for a while
reference.writeType(stream);
}
else
{
ObjectReference null_reference;
null_reference.serverID = "null";
null_reference.objectID = 0;
null_reference.writeType(stream);
}
}
template<class T>
void readObject(Buffer& stream, T*& result) {
ObjectReference reference(stream);
if(reference.serverID == "null")
result = 0; // null reference?
else
result = T::_fromReference(reference,false);
}
template<class T>
void readObjectSeq(Buffer& stream, std::vector<T>& sequence)
{
sequence.clear();
unsigned long l = stream.readLong();
while(l--)
{
typename T::_base_class *temp;
readObject(stream, temp);
sequence.push_back(T::_from_base(temp));
}
}
template<class T>
void writeObjectSeq(Buffer& stream, const std::vector<T>& sequence)
{
stream.writeLong(sequence.size());
for(unsigned long l=0;l<sequence.size();l++)
{
T object = sequence[l];
writeObject(stream,object._base());
}
}
#ifndef MCOPBYTE_DEFINED
#define MCOPBYTE_DEFINED
typedef unsigned char mcopbyte;
#endif
}
#endif