/// <summary>
/// Determines whether the message body can be compressed based on the specified header.
/// </summary>
/// <param name="header">The header.</param>
/// <param name="checkMessageFlags">A flag to check the message flags provided in the header.</param>
/// <returns><c>true</c> if the message body can be comressed; otherwise, <c>false</c>.</returns>
public static bool CanCompressMessageBody(this IMessageHeader header, bool checkMessageFlags = false)
{
// Never compress RequestSession or OpenSession in Core protocol
if (header.Protocol == 0 && (header.IsRequestSession() || header.IsOpenSession()))
{
return(false);
}
// Don't compress Acknowledge or ProtocolException when sent by any protocol
if (header.IsAcknowledge() || header.IsProtocolException())
{
return(false);
}
// Do the message flags indicate the body was compressed
return(!checkMessageFlags || header.HasFlag(MessageFlags.Compressed));
}
/// <summary>
/// Checks if an acknowledge message is requested.
/// </summary>
/// <param name="header">The message header.</param>
/// <returns><c>true</c> if an acknowledge message is requested; <c>false</c> otherwise.</returns>
public static bool IsAcknowledgeRequested(this IMessageHeader header)
{
return(header.HasFlag(MessageFlags.Acknowledge));
}
/// <summary>
/// Checks if the message body is compressed.
/// </summary>
/// <param name="header">The message header.</param>
/// <returns><c>true</c> if the message body is compressed; <c>false</c> otherwise.</returns>
public static bool IsBodyCompressed(this IMessageHeader header)
{
return(header.HasFlag(MessageFlags.Compressed));
}
/// <summary>
/// Checks if there is no data.
/// </summary>
/// <param name="header">The message header.</param>
/// <returns><c>true</c> if there is no data; <c>false</c> otherwise.</returns>
public static bool IsNoData(this IMessageHeader header)
{
return(header.HasFlag(MessageFlags.NoData));
}
/// <summary>
/// Checks if this header is the final part of a multi-part message.
/// </summary>
/// <param name="header">The message header.</param>
/// <returns><c>true</c> if the header is the final part of a multi-part message; <c>false</c> otherwise.</returns>
public static bool IsFinalPart(this IMessageHeader header)
{
return(header.HasFlag(MessageFlags.FinalPart));
}
/// <summary>
/// Checks if this header is part of a multi-part message.
/// </summary>
/// <param name="header">The message header.</param>
/// <returns><c>true</c> if the header is part of a multi-part message; <c>false</c> otherwise.</returns>
public static bool IsMultiPart(this IMessageHeader header)
{
return(header.HasFlag(MessageFlags.MultiPart));
}
/// <summary>
/// Checks if the message has a header extension.
/// </summary>
/// <param name="header">The message header.</param>
/// <returns><c>true</c> if the message has a header extension; <c>false</c> otherwise.</returns>
public static bool HasHeaderExtension(this IMessageHeader header)
{
return(header.HasFlag(MessageFlags.HasHeaderExtension));
}
