/// <summary>
/// Reads the next available node for reading into the specified struct array
/// </summary>
/// <typeparam name="T">The structure type to be read</typeparam>
/// <param name="buffer">Reference to the buffer</param>
/// <param name="timeout">The maximum number of milliseconds to wait for a node to become available for reading (default 1000ms)</param>
/// <returns>The number of bytes read</returns>
/// <remarks>The maximum number of bytes that can be read is the minimum of the length of <paramref name="buffer"/> multiplied by <code>Marshal.SizeOf(typeof(T))</code> and <see cref="NodeBufferSize"/>.</remarks>
public virtual int Read <T>(T[] buffer, int timeout = 1000)
where T : struct
{
Node *node = GetNodeForReading(timeout);
if (node == null)
{
return(0);
}
// Copy the data using the FastStructure class (much faster than the MemoryMappedViewAccessor ReadArray<T> method)
int amount = Math.Min(buffer.Length, NodeBufferSize / FastStructure.SizeOf <T>());
base.ReadArray <T>(buffer, node->Offset, 0, amount);
// Return the node for further writing
ReturnNode(node);
return(amount);
}
/// <summary>
/// Writes the struct array buffer to the next available node for writing
/// </summary>
/// <param name="buffer">Reference to the buffer to write</param>
/// <param name="timeout">The maximum number of milliseconds to wait for a node to become available for writing (default 1000ms)</param>
/// <returns>The number of bytes written</returns>
/// <remarks>The maximum number of bytes that can be written is the minimum of the length of <paramref name="buffer"/> multiplied by <code>Marshal.SizeOf(typeof(T))</code> and <see cref="NodeBufferSize"/>.</remarks>
public virtual int Write <T>(T[] buffer, int timeout = 1000)
where T : struct
{
// Grab a node for writing
Node *node = GetNodeForWriting(timeout);
if (node == null)
{
return(0);
}
// Write the data using the FastStructure class (much faster than the MemoryMappedViewAccessor WriteArray<T> method)
int amount = Math.Min(buffer.Length, NodeBufferSize / FastStructure.SizeOf <T>());
base.WriteArray <T>(node->Offset, buffer, 0, amount);
// Writing is complete, make node readable
PostNode(node);
return(amount);
}