SetMultiDataRefRequest.cc

// Copyright (c) 2013 by István Váradi
 
// This file is part of XPLRA, a remote-access plugin for X-Plane
 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
 
// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
// The views and conclusions contained in the software and documentation are those
// of the authors and should not be interpreted as representing official policies,
// either expressed or implied, of the FreeBSD Project.
 
//------------------------------------------------------------------------------
 
#include "SetMultiDataRefRequest.h"
 
#include "Protocol.h"
 
//------------------------------------------------------------------------------
 
using xplra::SetMultiDataRefRequest;
 
using hu::varadiistvan::scpl::io::DataStream;
 
//------------------------------------------------------------------------------
 
SetMultiDataRefRequest::SetMultiDataRefRequest(uint8_t& result,
                                               DataStream& stream,
                                               bool readValues)
{
    result = Protocol::RESULT_OK;
 
    uint32_t numTasks = stream.readU32();
    if (!stream) return;
    if (numTasks==0 || numTasks>Protocol::MAX_MULTI_COUNT) {
        result = Protocol::RESULT_INVALID_COUNT;
        return;
    }
 
    for(size_t i = 0;
        i<numTasks && result==Protocol::RESULT_OK && stream; ++i) {
        SetDataRefTask* task = SetDataRefTask::create(result, stream);
        if (task!=0) {
            if (readValues) {
                task->readValue(stream);
            }
            addTask(task);
        }
    }
}
 
//------------------------------------------------------------------------------
 
void SetMultiDataRefRequest::readValues(DataStream& stream)
{
    size_t numTasks = getNumTasks();
    for(size_t i = 0; i<numTasks && stream; ++i) {
        SetDataRefTask* task = getTask(i);
        task->readValue(stream);
    }
}
 
//------------------------------------------------------------------------------
 
void SetMultiDataRefRequest::writeResult(DataStream& stream) const
{
    size_t numTasks = getNumTasks();
    for(size_t i = 0; i<numTasks; ++i) {
        SetDataRefTask* task = getTask(i);
        if (!task->isValid()) {
            stream.writeU8(Protocol::RESULT_UNKNOWN_DATAREF);
            stream.writeU32(i);
            return;
        }
    }
 
    stream.writeU8(Protocol::RESULT_OK);
}
 
//------------------------------------------------------------------------------
 
// Local Variables:
// mode: C++
// c-basic-offset: 4
// indent-tabs-mode: nil
// End: