hyperion.ng/include/utils/NetUtils.h

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#pragma once
#include <utils/Logger.h>
#include <QTcpServer>
namespace NetUtils {
///
/// @brief Check if the port is available for listening
/// @param[in/out] port The port to test, will be incremented if port is in use
/// @param log The logger of the caller to print
/// @return True on success else false
///
static bool portAvailable(quint16& port, Logger* log)
{
const quint16 prevPort = port;
QTcpServer server;
bool corrected = false;
while (!server.listen(QHostAddress::Any, port))
{
corrected = true;
Warning(log,"Port '%d' is already in use, will increment", port);
port ++;
}
server.close();
if(corrected)
{
Warning(log, "The requested Port '%d' was already in use, will use Port '%d' instead", prevPort, port);
return false;
}
return true;
}
}