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#include "config.h"
#include "dns_updater.hpp"
#include <fstream>
#include <phosphor-logging/elog-errors.hpp>
#include <phosphor-logging/log.hpp>
#include <sdbusplus/bus.hpp>
#include <xyz/openbmc_project/Common/error.hpp>
namespace phosphor
{
namespace network
{
namespace dns
{
namespace updater
{
void updateDNSEntries(const fs::path& inFile, const fs::path& outFile)
{
using namespace phosphor::logging;
using namespace sdbusplus::xyz::openbmc_project::Common::Error;
std::fstream outStream(outFile, std::fstream::out);
if (!outStream.is_open())
{
log<level::ERR>("Unable to open output file",
entry("FILE=%s", outFile.c_str()));
elog<InternalFailure>();
}
std::fstream inStream(inFile, std::fstream::in);
if (!inStream.is_open())
{
log<level::ERR>("Unable to open the input file",
entry("FILE=%s", inFile.c_str()));
elog<InternalFailure>();
}
outStream << "### Generated by phosphor-networkd ###\n";
for (std::string line; std::getline(inStream, line);)
{
auto index = line.find("DNS=");
if (index != std::string::npos)
{
auto dns = line.substr(index + 4);
outStream << "nameserver " << dns << "\n";
}
}
return;
}
} // namespace updater
} // namespace dns
} // namespace network
} // namespace phosphor
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