Sharp7Reactive/Sharp7.Rx/S7ErrorCodes.cs

namespace Sharp7.Rx;

public static class S7ErrorCodes
{
    /// <summary>
    ///     This list is not exhaustive and should be considered work in progress.
    /// </summary>
    private static readonly HashSet<int> notDisconnectedErrorCodes = new HashSet<int>
    {
        0x000000, // OK
        0xC00000, // CPU: Item not available
        0x900000, // CPU: Address out of range
    };

    /// <summary>
    ///     Some error codes indicate connection lost, in which case, the driver tries to reestablish connection.
    ///     Other error codes indicate a user error, like reading from an unavailable DB or exceeding
    ///     the DBs range. In this case the driver should not consider the connection to be lost.
    /// </summary>
    public static bool AssumeConnectionLost(int errorCode)
    {
        return !notDisconnectedErrorCodes.Contains(errorCode);
    }
}