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ThirdParty-6/ParaView-5.0.1/VTK/Parallel/Core/vtkMultiProcessStream.cxx

864 lines
27 KiB
C++

/*=========================================================================
Program: Visualization Toolkit
Module: vtkMultiProcessStream.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkMultiProcessStream.h"
#include "vtkObjectFactory.h"
#include "vtkSocketCommunicator.h" // for vtkSwap8 and vtkSwap4 macros.
#include <deque>
#include <cassert>
class vtkMultiProcessStream::vtkInternals
{
public:
typedef std::deque<unsigned char> DataType;
DataType Data;
enum Types
{
int32_value,
uint32_value,
char_value,
uchar_value,
double_value,
float_value,
string_value,
int64_value,
uint64_value,
stream_value
};
void Push(const unsigned char* data, size_t length)
{
for (size_t cc=0; cc < length; cc++)
{
this->Data.push_back(data[cc]);
}
}
void Pop(unsigned char* data, size_t length)
{
for (size_t cc=0; cc < length; cc++)
{
data[cc] = this->Data.front();
this->Data.pop_front();
}
}
void SwapBytes()
{
DataType::iterator iter = this->Data.begin();
while (iter != this->Data.end())
{
unsigned char type = *iter;
int wordSize = 1;
iter++;
switch(type)
{
case int32_value:
case uint32_value:
wordSize = sizeof(int);
break;
case float_value:
wordSize = sizeof(float);
break;
case double_value:
wordSize = sizeof(double);
break;
case char_value:
case uchar_value:
wordSize = sizeof(char);
break;
case stream_value:
wordSize = sizeof(int);
break;
case string_value:
// We want to bitswap the string size which is an int
wordSize = sizeof(int);
break;
}
switch (wordSize)
{
case 1: break;
case 4: vtkSwap4(&(*iter)); break;
case 8: vtkSwap8(&(*iter)); break;
}
// In case of string we don't need to swap char values
int nbSkip = 0;
if (type == string_value || type == stream_value)
{
nbSkip = *reinterpret_cast<int*>(&*iter);
}
while (wordSize>0)
{
iter++;
wordSize--;
}
// Skip String chars
for (int cc=0; cc < nbSkip; cc++)
{
iter++;
}
}
}
};
//----------------------------------------------------------------------------
vtkMultiProcessStream::vtkMultiProcessStream()
{
this->Internals = new vtkMultiProcessStream::vtkInternals();
#ifdef VTK_WORDS_BIGENDIAN
this->Endianness = vtkMultiProcessStream::BigEndian;
#else
this->Endianness = vtkMultiProcessStream::LittleEndian;
#endif
}
//----------------------------------------------------------------------------
vtkMultiProcessStream::~vtkMultiProcessStream()
{
delete this->Internals;
this->Internals = 0;
}
//----------------------------------------------------------------------------
vtkMultiProcessStream::vtkMultiProcessStream(const vtkMultiProcessStream& other)
{
this->Internals = new vtkMultiProcessStream::vtkInternals();
this->Internals->Data = other.Internals->Data;
}
//----------------------------------------------------------------------------
vtkMultiProcessStream& vtkMultiProcessStream::operator=(const vtkMultiProcessStream& other)
{
this->Internals->Data = other.Internals->Data;
return (*this);
}
//----------------------------------------------------------------------------
void vtkMultiProcessStream::Reset()
{
this->Internals->Data.clear();
}
//----------------------------------------------------------------------------
int vtkMultiProcessStream::Size()
{
return( static_cast<int>(this->Internals->Data.size()));
}
//----------------------------------------------------------------------------
bool vtkMultiProcessStream::Empty()
{
return( this->Internals->Data.empty() );
}
//----------------------------------------------------------------------------
void vtkMultiProcessStream::Push(double array[], unsigned int size)
{
assert( "pre: array is NULL!" && (array != NULL) );
this->Internals->Data.push_back( vtkInternals::double_value );
this->Internals->Push(
reinterpret_cast<unsigned char*>( &size ), sizeof(unsigned int ) );
this->Internals->Push(
reinterpret_cast<unsigned char*>(array), sizeof(double)*size);
}
//----------------------------------------------------------------------------
void vtkMultiProcessStream::Push(float array[], unsigned int size)
{
assert( "pre: array is NULL!" && (array != NULL) );
this->Internals->Data.push_back( vtkInternals::float_value );
this->Internals->Push(
reinterpret_cast<unsigned char*>( &size ), sizeof(unsigned int) );
this->Internals->Push(
reinterpret_cast<unsigned char*>(array), sizeof(float)*size);
}
//----------------------------------------------------------------------------
void vtkMultiProcessStream::Push(int array[], unsigned int size)
{
assert( "pre: array is NULL!" && (array != NULL) );
this->Internals->Data.push_back( vtkInternals::int32_value );
this->Internals->Push(
reinterpret_cast<unsigned char*>( &size ), sizeof(unsigned int) );
this->Internals->Push(
reinterpret_cast<unsigned char*>(array), sizeof(int)*size);
}
//----------------------------------------------------------------------------
void vtkMultiProcessStream::Push(char array[], unsigned int size)
{
assert( "pre: array is NULL!" && (array != NULL) );
this->Internals->Data.push_back( vtkInternals::char_value );
this->Internals->Push(
reinterpret_cast<unsigned char*>( &size ), sizeof(unsigned int) );
this->Internals->Push(
reinterpret_cast<unsigned char*>(array), sizeof(char)*size);
}
//----------------------------------------------------------------------------
void vtkMultiProcessStream::Push(
unsigned int array[], unsigned int size )
{
assert( "pre: array is NULL!" && (array != NULL) );
this->Internals->Data.push_back( vtkInternals::uint32_value );
this->Internals->Push(
reinterpret_cast<unsigned char*>( &size ), sizeof(unsigned int) );
this->Internals->Push(
reinterpret_cast<unsigned char*>(array), sizeof(unsigned int)*size);
}
//----------------------------------------------------------------------------
void vtkMultiProcessStream::Push(
unsigned char array[], unsigned int size )
{
assert( "pre: array is NULL!" && (array != NULL) );
this->Internals->Data.push_back( vtkInternals::uchar_value );
this->Internals->Push(
reinterpret_cast<unsigned char*>( &size ), sizeof(unsigned int) );
this->Internals->Push( array, size);
}
//----------------------------------------------------------------------------
void vtkMultiProcessStream::Push(
vtkTypeInt64 array[], unsigned int size )
{
assert( "pre: array is NULL!" && (array != NULL) );
this->Internals->Data.push_back( vtkInternals::int64_value );
this->Internals->Push(
reinterpret_cast<unsigned char*>( &size ), sizeof(unsigned int) );
this->Internals->Push(
reinterpret_cast<unsigned char*>(array), sizeof(vtkTypeUInt64)*size );
}
//----------------------------------------------------------------------------
void vtkMultiProcessStream::Push(
vtkTypeUInt64 array[], unsigned int size )
{
assert( "pre: array is NULL!" && (array != NULL) );
this->Internals->Data.push_back( vtkInternals::uint64_value );
this->Internals->Push(
reinterpret_cast<unsigned char*>( &size ), sizeof(unsigned int) );
this->Internals->Push(
reinterpret_cast<unsigned char*>(array), sizeof(vtkTypeUInt64)*size );
}
//----------------------------------------------------------------------------
void vtkMultiProcessStream::Pop(double*& array, unsigned int& size)
{
assert( "pre: stream data must be double" &&
this->Internals->Data.front()==vtkInternals::double_value);
this->Internals->Data.pop_front();
if( array == NULL )
{
// Get the size of the array
this->Internals->Pop(
reinterpret_cast<unsigned char*>(&size), sizeof(unsigned int));
// Allocate array
array = new double[ size ];
assert( "ERROR: cannot allocate array" && (array != NULL) );
}
else
{
unsigned int sz;
// Get the size of the array
this->Internals->Pop(
reinterpret_cast<unsigned char*>(&sz), sizeof(unsigned int));
assert("ERROR: input array size does not match size of data" &&
(sz==size) );
}
// Pop the array data
this->Internals->Pop(
reinterpret_cast<unsigned char*>(array),sizeof(double)*size );
}
//----------------------------------------------------------------------------
void vtkMultiProcessStream::Pop(float*& array, unsigned int& size)
{
assert( "pre: stream data must be float" &&
this->Internals->Data.front()==vtkInternals::float_value);
this->Internals->Data.pop_front();
if( array == NULL )
{
// Get the size of the array
this->Internals->Pop(
reinterpret_cast<unsigned char*>(&size), sizeof(unsigned int) );
// Allocate array
array = new float[ size ];
assert( "ERROR: cannot allocate array" && (array != NULL) );
}
else
{
unsigned int sz;
// Get the size of the array
this->Internals->Pop(
reinterpret_cast<unsigned char*>(&sz), sizeof(unsigned int));
assert("ERROR: input array size does not match size of data" &&
(sz==size) );
}
// Pop the array data
this->Internals->Pop(
reinterpret_cast<unsigned char*>(array),sizeof(float)*size);
}
//----------------------------------------------------------------------------
void vtkMultiProcessStream::Pop(int*& array, unsigned int& size)
{
assert( "pre: stream data must be int" &&
this->Internals->Data.front()==vtkInternals::int32_value );
this->Internals->Data.pop_front();
if( array == NULL )
{
// Get the size of the array
this->Internals->Pop(
reinterpret_cast<unsigned char*>(&size), sizeof(unsigned int) );
// Allocate the array
array = new int[ size ];
assert( "ERROR: cannot allocate array" && (array != NULL) );
}
else
{
unsigned int sz;
// Get the size of the array
this->Internals->Pop(
reinterpret_cast<unsigned char*>(&sz), sizeof(unsigned int));
assert("ERROR: input array size does not match size of data" &&
(sz==size) );
}
// Pop the array data
this->Internals->Pop(
reinterpret_cast<unsigned char*>(array), sizeof(int)*size );
}
//----------------------------------------------------------------------------
void vtkMultiProcessStream::Pop(char*& array, unsigned int& size)
{
assert( "pre: stream data must be of type char" &&
this->Internals->Data.front()==vtkInternals::char_value );
this->Internals->Data.pop_front();
if( array == NULL )
{
// Get the size of the array
this->Internals->Pop(
reinterpret_cast<unsigned char*>(&size), sizeof(unsigned int) );
// Allocate the array
array = new char[ size ];
assert( "ERROR: cannot allocate array" && (array != NULL) );
}
else
{
unsigned int sz;
// Get the size of the array
this->Internals->Pop(
reinterpret_cast<unsigned char*>(&sz), sizeof(unsigned int));
assert("ERROR: input array size does not match size of data" &&
(sz==size) );
}
// Pop the array data
this->Internals->Pop(
reinterpret_cast<unsigned char*>(array), sizeof(char)*size );
}
//----------------------------------------------------------------------------
void vtkMultiProcessStream::Pop(unsigned int*& array, unsigned int& size )
{
assert( "pre: stream data must be of type unsigned int" &&
this->Internals->Data.front()==vtkInternals::uint32_value );
this->Internals->Data.pop_front();
if( array == NULL )
{
// Get the size of the array
this->Internals->Pop(
reinterpret_cast<unsigned char*>(&size), sizeof(unsigned int) );
// Allocate the array
array = new unsigned int[ size ];
assert( "ERROR: cannot allocate array" && (array != NULL) );
}
else
{
unsigned int sz;
// Get the size of the array
this->Internals->Pop(
reinterpret_cast<unsigned char*>(&sz), sizeof(unsigned int));
assert("ERROR: input array size does not match size of data" &&
(sz==size) );
}
// Pop the array data
this->Internals->Pop(
reinterpret_cast<unsigned char*>(array), sizeof(unsigned int)*size );
}
//----------------------------------------------------------------------------
void vtkMultiProcessStream::Pop(unsigned char*& array, unsigned int& size )
{
assert( "pre: stream data must be of type unsigned char" &&
this->Internals->Data.front()==vtkInternals::uchar_value );
this->Internals->Data.pop_front();
if( array == NULL )
{
// Get the size of the array
this->Internals->Pop(
reinterpret_cast<unsigned char*>(&size), sizeof(unsigned int) );
// Allocate the array
array = new unsigned char[ size ];
assert( "ERROR: cannot allocate array" && (array != NULL) );
}
else
{
unsigned int sz;
// Get the size of the array
this->Internals->Pop(
reinterpret_cast<unsigned char*>(&sz), sizeof(unsigned int));
assert("ERROR: input array size does not match size of data" &&
(sz==size) );
}
// Pop the array data
this->Internals->Pop( array, size );
}
//----------------------------------------------------------------------------
void vtkMultiProcessStream::Pop(vtkTypeInt64*& array, unsigned int& size )
{
assert( "pre: stream data must be of type vtkTypeInt64" &&
this->Internals->Data.front()==vtkInternals::int64_value );
this->Internals->Data.pop_front();
if( array == NULL )
{
// Get the size of the array
this->Internals->Pop(
reinterpret_cast<unsigned char*>(&size), sizeof(unsigned int) );
// Allocate the array
array = new vtkTypeInt64[ size ];
assert( "ERROR: cannot allocate array" && (array != NULL) );
}
else
{
unsigned int sz;
// Get the size of the array
this->Internals->Pop(
reinterpret_cast<unsigned char*>(&sz), sizeof(unsigned int));
assert("ERROR: input array size does not match size of data" &&
(sz==size) );
}
// Pop the array data
this->Internals->Pop(
reinterpret_cast<unsigned char*>(array), sizeof(vtkTypeInt64)*size );
}
//----------------------------------------------------------------------------
void vtkMultiProcessStream::Pop(vtkTypeUInt64*& array, unsigned int& size )
{
assert( "pre: stream data must be of type vtkTypeUInt64" &&
this->Internals->Data.front()==vtkInternals::uint64_value );
this->Internals->Data.pop_front();
if( array == NULL )
{
// Get the size of the array
this->Internals->Pop(
reinterpret_cast<unsigned char*>(&size), sizeof(unsigned int) );
// Allocate the array
array = new vtkTypeUInt64[ size ];
assert( "ERROR: cannot allocate array" && (array != NULL) );
}
else
{
unsigned int sz;
// Get the size of the array
this->Internals->Pop(
reinterpret_cast<unsigned char*>(&sz), sizeof(unsigned int));
assert("ERROR: input array size does not match size of data" &&
(sz==size) );
}
// Pop the array data
this->Internals->Pop(
reinterpret_cast<unsigned char*>(array), sizeof(vtkTypeUInt64)*size );
}
//----------------------------------------------------------------------------
vtkMultiProcessStream& vtkMultiProcessStream::operator << (double value)
{
this->Internals->Data.push_back(vtkInternals::double_value);
this->Internals->Push(reinterpret_cast<unsigned char*>(&value), sizeof(double));
return (*this);
}
//----------------------------------------------------------------------------
vtkMultiProcessStream& vtkMultiProcessStream::operator << (float value)
{
this->Internals->Data.push_back(vtkInternals::float_value);
this->Internals->Push(reinterpret_cast<unsigned char*>(&value), sizeof(float));
return (*this);
}
//----------------------------------------------------------------------------
vtkMultiProcessStream& vtkMultiProcessStream::operator << (int value)
{
this->Internals->Data.push_back(vtkInternals::int32_value);
this->Internals->Push(reinterpret_cast<unsigned char*>(&value), sizeof(int));
return (*this);
}
//----------------------------------------------------------------------------
vtkMultiProcessStream& vtkMultiProcessStream::operator << (char value)
{
this->Internals->Data.push_back(vtkInternals::char_value);
this->Internals->Push(reinterpret_cast<unsigned char*>(&value), sizeof(char));
return (*this);
}
//----------------------------------------------------------------------------
vtkMultiProcessStream& vtkMultiProcessStream::operator << (bool v)
{
char value = v;
this->Internals->Data.push_back(vtkInternals::char_value);
this->Internals->Push(reinterpret_cast<unsigned char*>(&value), sizeof(char));
return (*this);
}
//----------------------------------------------------------------------------
vtkMultiProcessStream& vtkMultiProcessStream::operator << (unsigned int value)
{
this->Internals->Data.push_back(vtkInternals::uint32_value);
this->Internals->Push(reinterpret_cast<unsigned char*>(&value), sizeof(unsigned int));
return (*this);
}
//----------------------------------------------------------------------------
vtkMultiProcessStream& vtkMultiProcessStream::operator << (unsigned char value)
{
this->Internals->Data.push_back(vtkInternals::uchar_value);
this->Internals->Push(&value, sizeof(unsigned char));
return (*this);
}
//-----------------------------------------------------------------------------
vtkMultiProcessStream& vtkMultiProcessStream::operator << (vtkTypeInt64 value)
{
this->Internals->Data.push_back(vtkInternals::int64_value);
this->Internals->Push(reinterpret_cast<unsigned char*>(&value),
sizeof(vtkTypeInt64));
return (*this);
}
//-----------------------------------------------------------------------------
vtkMultiProcessStream& vtkMultiProcessStream::operator << (vtkTypeUInt64 value)
{
this->Internals->Data.push_back(vtkInternals::uint64_value);
this->Internals->Push(reinterpret_cast<unsigned char*>(&value),
sizeof(vtkTypeUInt64));
return (*this);
}
//----------------------------------------------------------------------------
vtkMultiProcessStream& vtkMultiProcessStream::operator << (const char* value)
{
this->operator<< (std::string(value));
return *this;
}
//----------------------------------------------------------------------------
vtkMultiProcessStream& vtkMultiProcessStream::operator << (const std::string& value)
{
// Find the real string size
int size = static_cast<int>(value.size());
// Set the type
this->Internals->Data.push_back(vtkInternals::string_value);
// Set the string size
this->Internals->Push(reinterpret_cast<unsigned char*>(&size),
sizeof(int));
// Set the string content
for(int idx=0; idx < size; idx++)
{
this->Internals->Push( reinterpret_cast<const unsigned char*>(&value[idx]),
sizeof(char));
}
return (*this);
}
//----------------------------------------------------------------------------
vtkMultiProcessStream& vtkMultiProcessStream::operator << (
const vtkMultiProcessStream& value)
{
unsigned int size = static_cast<unsigned int>(value.Internals->Data.size());
size += 1;
this->Internals->Data.push_back(vtkInternals::stream_value);
this->Internals->Push(reinterpret_cast<unsigned char*>(&size),
sizeof(unsigned int));
this->Internals->Data.push_back(value.Endianness);
this->Internals->Data.insert(this->Internals->Data.end(),
value.Internals->Data.begin(), value.Internals->Data.end());
return (*this);
}
//----------------------------------------------------------------------------
vtkMultiProcessStream& vtkMultiProcessStream::operator >> (
vtkMultiProcessStream& value)
{
assert(this->Internals->Data.front() == vtkInternals::stream_value);
this->Internals->Data.pop_front();
unsigned int size;
this->Internals->Pop(reinterpret_cast<unsigned char*>(&size), sizeof(unsigned int));
assert(size>=1);
this->Internals->Pop(&value.Endianness, 1);
size--;
value.Internals->Data.resize(size);
this->Internals->Pop(&value.Internals->Data[0], size);
return (*this);
}
//----------------------------------------------------------------------------
vtkMultiProcessStream& vtkMultiProcessStream::operator >> (double &value)
{
assert(this->Internals->Data.front() == vtkInternals::double_value);
this->Internals->Data.pop_front();
this->Internals->Pop(reinterpret_cast<unsigned char*>(&value), sizeof(double));
return (*this);
}
//----------------------------------------------------------------------------
vtkMultiProcessStream& vtkMultiProcessStream::operator >> (float &value)
{
assert(this->Internals->Data.front() == vtkInternals::float_value);
this->Internals->Data.pop_front();
this->Internals->Pop(reinterpret_cast<unsigned char*>(&value), sizeof(float));
return (*this);
}
//----------------------------------------------------------------------------
vtkMultiProcessStream& vtkMultiProcessStream::operator >> (int &value)
{
// Automatically convert 64 bit values in case we are trying to transfer
// vtkIdType with processes compiled with 32/64 values.
if (this->Internals->Data.front() == vtkInternals::int64_value)
{
vtkTypeInt64 value64;
(*this) >> value64;
value = static_cast<int>(value64);
return (*this);
}
assert(this->Internals->Data.front() == vtkInternals::int32_value);
this->Internals->Data.pop_front();
this->Internals->Pop(reinterpret_cast<unsigned char*>(&value), sizeof(int));
return (*this);
}
//----------------------------------------------------------------------------
vtkMultiProcessStream& vtkMultiProcessStream::operator >> (char &value)
{
assert(this->Internals->Data.front() == vtkInternals::char_value);
this->Internals->Data.pop_front();
this->Internals->Pop(reinterpret_cast<unsigned char*>(&value), sizeof(char));
return (*this);
}
//----------------------------------------------------------------------------
vtkMultiProcessStream& vtkMultiProcessStream::operator >> (bool &v)
{
char value;
assert(this->Internals->Data.front() == vtkInternals::char_value);
this->Internals->Data.pop_front();
this->Internals->Pop(reinterpret_cast<unsigned char*>(&value), sizeof(char));
v = (value != 0);
return (*this);
}
//----------------------------------------------------------------------------
vtkMultiProcessStream& vtkMultiProcessStream::operator >> (unsigned int &value)
{
assert(this->Internals->Data.front() == vtkInternals::uint32_value);
this->Internals->Data.pop_front();
this->Internals->Pop(reinterpret_cast<unsigned char*>(&value), sizeof(unsigned int));
return (*this);
}
//----------------------------------------------------------------------------
vtkMultiProcessStream& vtkMultiProcessStream::operator >> (unsigned char &value)
{
assert(this->Internals->Data.front() == vtkInternals::uchar_value);
this->Internals->Data.pop_front();
this->Internals->Pop(reinterpret_cast<unsigned char*>(&value), sizeof(unsigned char));
return (*this);
}
//----------------------------------------------------------------------------
vtkMultiProcessStream& vtkMultiProcessStream::operator >> (vtkTypeInt64 &value)
{
// Automatically convert 64 bit values in case we are trying to transfer
// vtkIdType with processes compiled with 32/64 values.
if (this->Internals->Data.front() == vtkInternals::int32_value)
{
int value32;
(*this) >> value32;
value = value32;
return (*this);
}
assert(this->Internals->Data.front() == vtkInternals::int64_value);
this->Internals->Data.pop_front();
this->Internals->Pop(reinterpret_cast<unsigned char*>(&value), sizeof(vtkTypeInt64));
return (*this);
}
//----------------------------------------------------------------------------
vtkMultiProcessStream& vtkMultiProcessStream::operator >> (vtkTypeUInt64 &value)
{
assert(this->Internals->Data.front() == vtkInternals::uint64_value);
this->Internals->Data.pop_front();
this->Internals->Pop(reinterpret_cast<unsigned char*>(&value), sizeof(unsigned int));
return (*this);
}
//----------------------------------------------------------------------------
vtkMultiProcessStream& vtkMultiProcessStream::operator >> (std::string& value)
{
value = "";
assert(this->Internals->Data.front() == vtkInternals::string_value);
this->Internals->Data.pop_front();
int stringSize;
this->Internals->Pop( reinterpret_cast<unsigned char*>(&stringSize),
sizeof(int));
char c_value;
for(int idx=0; idx < stringSize; idx++)
{
this->Internals->Pop( reinterpret_cast<unsigned char*>(&c_value),
sizeof(char));
value += c_value;
}
return (*this);
}
//----------------------------------------------------------------------------
void vtkMultiProcessStream::GetRawData(std::vector<unsigned char>& data) const
{
data.clear();
data.push_back(this->Endianness);
data.resize(1 + this->Internals->Data.size());
vtkInternals::DataType::iterator iter;
int cc=1;
for (iter = this->Internals->Data.begin();
iter != this->Internals->Data.end(); ++iter, ++cc)
{
data[cc] = (*iter);
}
}
//----------------------------------------------------------------------------
void vtkMultiProcessStream::SetRawData(const std::vector<unsigned char>& data)
{
this->Internals->Data.clear();
unsigned char endianness = data.front();
std::vector<unsigned char>::const_iterator iter = data.begin();
iter++;
this->Internals->Data.resize(data.size()-1);
int cc=0;
for (;iter != data.end(); iter++, cc++)
{
this->Internals->Data[cc] = *iter;
}
if (this->Endianness != endianness)
{
this->Internals->SwapBytes();
}
}
//----------------------------------------------------------------------------
void vtkMultiProcessStream::GetRawData(
unsigned char*& data, unsigned int &size )
{
delete [] data;
size = this->Size()+1;
data = new unsigned char[ size+1 ];
assert( "pre: cannot allocate raw data buffer" && (data != NULL) );
data[0] = this->Endianness;
vtkInternals::DataType::iterator iter = this->Internals->Data.begin();
for(int idx=1 ; iter != this->Internals->Data.end(); ++iter, ++idx )
{
data[ idx ] = *iter;
}
}
//----------------------------------------------------------------------------
void vtkMultiProcessStream::SetRawData(const unsigned char* data,
unsigned int size)
{
this->Internals->Data.clear();
if (size > 0)
{
unsigned char endianness = data[0];
this->Internals->Data.resize(size-1);
int cc=0;
for (;cc < static_cast<int>(size-1); cc++)
{
this->Internals->Data[cc] = data[cc+1];
}
if (this->Endianness != endianness)
{
this->Internals->SwapBytes();
}
}
}