SetServerItem.cpp

This sample shows how to write server items via the connection API

Usage:

SetServerItem <ip_address>
// e.g.:
SetServerItem 10.0.0.102

//
// Copyright (c) 2002-2026 WEINZIERL ENGINEERING GmbH
// All rights reserved.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY DAMAGES OR OTHER LIABILITY,
// WHETHER IN CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE
//
 
#include "Helper.h"
 
#include <baos/Sdk.h>
#include <baos/ip/BaosTcpConnection.h>
#include <baos/protocol/Defines.h>
#include <wzcpp/features/utils.h>
 
#include <iostream>
#include <memory>
 
using utility::CommandLineOptions;
using wz::baos::setBaosLogLevel;
using namespace wz::baos;
using namespace wz::baos::ip;
using namespace wz::baos::protocol;
 
/******************************************
** Anonymous namespace
*******************************************/
 
namespace
{
 
Buffer encodeServerItem_bool(bool value)
{
    Buffer data(1, value ? 0x01 : 0x00);
    return data;
}
 
Buffer encodeServerItem_string(const std::string& value)
{
    Buffer data(value.begin(), value.end());
    data.resize(30, 0);
    return data;
}
 
}  // end anonymous namespace
 
/******************************************
** Main
*******************************************/
 
int main(int argc, char* argv[])
{
    try
    {
        std::cout << "******************************************" << std::endl;
        std::cout << "SetServerItem sample" << std::endl;
        std::cout << "******************************************" << std::endl;
        std::cout << std::endl;
 
        // Reduce log messages
        setBaosLogLevel(wz::baos::LogLevel::warn);
 
        // The CommandLineOptions::parse function
        // validates the arguments and handles the help command
        CommandLineOptions options;
        options.parse(argc, argv);
        if (options.wasHelpdisplayed())
        {
            return 0;
        }
 
        // Get the ip address from the parsed command line options
        const std::string ipAddress = options.getIpAddress();
        std::cout << " Connection requested for " << ipAddress << std::endl;
 
        // Create a TPC/IP connection to the remote BAOS device
        BaosTcpConnection connection;
        connection.open(ipAddress);
 
 
        // Write DeviceFriendlyName
        // NOTE: This is not for all devices writeable
 
        std::cout << "DeviceFriendlyName" << std::endl;
 
        // back it up, first
        const auto backup = connection.getServerItem(ServerItemId::DeviceFriendlyName);
 
        if (backup.has_value())
        {
            try
            {
                // write new name
                ServerItem deviceNameItem(ServerItemId::DeviceFriendlyName, 30, encodeServerItem_string("Hello BAOS"));
                connection.setServerItem(deviceNameItem);
                // restore name from backup
                connection.setServerItem(*backup);
            }
            catch (WzResponseException&)
            {
                std::cerr << "Unable to write ServerItem ServerItemId::DeviceFriendlyName" << std::endl;
            }
        }
        else
        {
            std::cerr << "Unable to read ServerItem ServerItemId::DeviceFriendlyName" << std::endl;
        }
 
        // Write ProgrammingMode
 
        std::cout << "ProgrammingMode" << std::endl;
 
        // switch prog mode on
        ServerItem progModeItem(ServerItemId::ProgrammingMode, 1, encodeServerItem_bool(true));
        connection.setServerItem(progModeItem);
 
        // switch prog mode off
        progModeItem.data = encodeServerItem_bool(false);
        connection.setServerItem(progModeItem);
    }
    catch (const std::exception& e)
    {
        std::cerr << "Failed: " << e.what() << std::endl;
        return -1;
    }
 
    return 0;
}