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/*
* Copyright (C) 2012 Simon Richter
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "dummy.h"
#include "instrument_resource.h"
#include "findlist.h"
#include "resource_creator.h"
#include "resource_manager.h"
#include <list>
#include <queue>
#include <string>
#include <cstring>
namespace {
using namespace librevisa;
class dummy_resource :
public instrument_resource
{
public:
virtual ViStatus Close() { delete this; return VI_SUCCESS; }
virtual ViStatus Read(ViBuf buf, ViUInt32 count, ViUInt32 *retCount)
{
if(reads.empty())
return VI_ERROR_IO;
read_op &op = reads.front();
if(op.count > count)
return VI_ERROR_RAW_RD_PROT_VIOL;
memcpy(buf, op.data, op.count);
if(retCount)
*retCount = op.count;
ViStatus ret = op.ret;
reads.pop();
return ret;
}
virtual ViStatus Write(ViBuf buf, ViUInt32 count, ViUInt32 *retCount)
{
log.push_back(log_line_type(buf, count));
*retCount = count;
return VI_SUCCESS;
}
virtual ViStatus ReadSTB(ViUInt16 *)
{
return VI_ERROR_NSUP_OPER;
}
struct read_op
{
char const *data;
unsigned int count;
ViStatus ret;
};
static std::queue<read_op> reads;
typedef std::basic_string<ViByte> log_line_type;
typedef std::list<log_line_type> log_type;
static log_type log;
};
std::queue<dummy_resource::read_op> dummy_resource::reads;
dummy_resource::log_type dummy_resource::log;
class dummy_creator :
public resource_creator
{
public:
virtual resource *create(std::vector<std::string> const &) const { return new dummy_resource; }
virtual void find(findlist &list) const
{
list.add("DUMMY");
}
static dummy_creator instance;
};
dummy_creator dummy_creator::instance;
}
dummy_resource::log_type::const_iterator reader_iterator;
void dummy_reader_restart()
{
reader_iterator = dummy_resource::log.begin();
}
bool dummy_reader_isempty()
{
return reader_iterator == dummy_resource::log.end();
}
ViByte const *dummy_reader_read(ViUInt32 *count)
{
if(count)
*count = reader_iterator->size();
return reader_iterator->c_str();
}
void dummy_reader_reset()
{
dummy_resource::log.clear();
dummy_reader_restart();
}
void dummy_writer_append(char const *data, unsigned int count, ViStatus ret)
{
dummy_resource::read_op op = { data, count, ret };
dummy_resource::reads.push(op);
}
void using_dummy_resource()
{
default_resource_manager.register_creator(dummy_creator::instance);
dummy_reader_reset();
}
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