CacheMarshaller.cc

// -*- mode: c++; c-basic-offset:4 -*-
 
// This file is part of Hyrax, A C++ implementation of the OPeNDAP Data
// Access Protocol.
 
// Copyright (c) 2016 OPeNDAP, Inc.
// Author: James Gallagher <jgallagher@opendap.org>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//
// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
 
#include "config.h"
 
#include <cassert>
 
#include <iostream>
#include <sstream>
 
#include <libdap/Vector.h>
 
#include "BESIndent.h"
#include "CacheMarshaller.h"
 
using namespace std;
using namespace libdap;
 
// Build this code so it does not use pthreads to write some kinds of
// data (see the put_vector() and put_vector_part() methods) in a child thread.
// #undef USE_POSIX_THREADS
 
// namespace bes {
 
void CacheMarshaller::put_byte(dods_byte val)
{
    d_out.write(reinterpret_cast<char*>(&val), sizeof(val));
}
 
void CacheMarshaller::put_int16(dods_int16 val)
{
    d_out.write(reinterpret_cast<char*>(&val), sizeof(val));
}
 
void CacheMarshaller::put_int32(dods_int32 val)
{
    d_out.write(reinterpret_cast<char*>(&val), sizeof(val));
}
 
void CacheMarshaller::put_float32(dods_float32 val)
{
    d_out.write(reinterpret_cast<char*>(&val), sizeof(val));
}
 
void CacheMarshaller::put_float64(dods_float64 val)
{
    d_out.write(reinterpret_cast<char*>(&val), sizeof(val));
}
 
void CacheMarshaller::put_uint16(dods_uint16 val)
{
    d_out.write(reinterpret_cast<char*>(&val), sizeof(val));
}
 
void CacheMarshaller::put_uint32(dods_uint32 val)
{
    d_out.write(reinterpret_cast<char*>(&val), sizeof(val));
}
 
void CacheMarshaller::put_str(const string &val)
{
    size_t len = val.size();
    d_out.write(reinterpret_cast<const char*>(&len), sizeof(size_t));
    d_out.write(val.data(), val.size());
}
 
void CacheMarshaller::put_url(const string &val)
{
    put_str(val);
}
 
void CacheMarshaller::put_opaque(char *val, unsigned int len)
{
    d_out.write(val, len);
}
 
void CacheMarshaller::put_int(int val)
{
   d_out.write(reinterpret_cast<char*>(&val), sizeof(val));
}
 
void CacheMarshaller::put_vector(char *val, int num, int width, Vector &vec)
{
    put_vector(val, num, width, vec.var()->type());
}
 

void CacheMarshaller::put_vector_start(int num)
{
    put_int(num);
}

void CacheMarshaller::put_vector_end()
{
}
 
// Start of parallel I/O support. jhrg 8/19/15
void CacheMarshaller::put_vector(char *val, int num, Vector &)
{
    assert(val || num == 0);
 
    // write the number of array members being written, then set the position back to 0
    put_int(num);
 
    if (num == 0)
        return;
 
    d_out.write(val, num);
}
 
// private
void CacheMarshaller::put_vector(char *val, unsigned int num, int width, Type)
{
    assert(val || num == 0);
 
    // write the number of array members being written, then set the position back to 0
    put_int(num);
 
    if (num == 0)
        return;
 
    d_out.write(val, num * width);
}

void CacheMarshaller::put_vector_part(char *val, unsigned int num, int width, Type )
{
    d_out.write(val, num * width);
}
 
void CacheMarshaller::dump(ostream &strm) const
{
    strm << BESIndent::LMarg << "CacheMarshaller::dump - (" << (void *) this << ")" << endl;
}
 
//} // namespace bes