/// <summary>
/// Sets the value of an environment variable.
/// </summary>
///
/// <param name="setting">
/// An environment setting of the form <c>name=value</c>;
/// must not be null.
/// </param>
///
/// <exception cref="System.ArgumentException">
/// An invalid argument value was passed.
/// </exception>
public static void tuxputenv(string setting)
{
if (setting == null)
{
throw new ArgumentException("setting must not be null");
}
else
{
DotTuxInterop.tuxputenv(setting);
}
}
/// <summary>
/// Logs a message in the Tuxedo ULOG.
/// </summary>
///
/// <param name="message">
/// The message to log; must not be null.
/// </param>
///
/// <exception cref="System.ArgumentException">
/// An invalid argument value was passed.
/// </exception>
public static void userlog(string message)
{
if (message == null)
{
throw new ArgumentException("message must not be null");
}
else
{
byte[] bytes = Encoding.Default.GetBytes(message);
DotTuxInterop.userlog(bytes, bytes.Length);
}
}
/// <summary>
/// Reads environment settings from a file.
/// </summary>
///
/// <param name="file">
/// The name of the file containing the environment settings to
/// read. If <paramref name="file"/> is null then a default file
/// name is used.
/// </param>
///
/// <param name="label">
/// The name of a label in <paramref name="file"/> that identifies
/// a section of environment settings to read in addition to the
/// global section. If <paramref name="label"/> is null then only
/// the global section is read.
/// </param>
///
/// <exception cref="IOException">
/// An error occurred reading the environment settings.
/// The error details were written to the Tuxedo ULOG.
/// </exception>
public static void tuxreadenv(string file, string label)
{
if (DotTuxInterop.tuxreadenv(file, label) != 0)
{
if (file == null)
{
file = "default environment file";
}
throw new IOException("Error reading environment settings "
+ "from " + file + " (see ULOG for error details)");
}
}
/// <summary>
/// Returns the value of an environment variable.
/// </summary>
///
/// <param name="name">
/// The name of the environment variable; must not be null.
/// </param>
///
/// <returns>
/// The value of the environment variable or null if the environment
/// variable is not set.
/// </returns>
///
/// <exception cref="System.ArgumentException">
/// An invalid argument value was passed.
/// </exception>
public static string tuxgetenv(string name)
{
if (name == null)
{
throw new ArgumentException("name must not be null");
}
else
{
IntPtr value = DotTuxInterop.tuxgetenv(name);
if (value == IntPtr.Zero)
{
return(null);
}
else
{
return(Marshal.PtrToStringAnsi(value));
}
}
}
