/// <summary>
/// Initializes a new instance of the <see cref="MessageProcessor"/> class.
/// </summary>
/// <param name="msgID">ID of the message to process. Must be non-zero.</param>
/// <param name="methodDelegate">Delegate to the processing method.</param>
/// <exception cref="ArgumentNullException"><paramref name="methodDelegate" /> is <c>null</c>.</exception>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="msgID"/> is zero.</exception>
public MessageProcessor(MessageProcessorID msgID, MessageProcessorHandler methodDelegate)
{
if (methodDelegate == null)
throw new ArgumentNullException("methodDelegate");
if (msgID == 0)
throw new ArgumentOutOfRangeException("msgID", "The message ID may not be zero.");
_msgID = msgID;
_call = methodDelegate;
}
/// <summary>
/// Updates the statistics for an <see cref="IMessageProcessor"/>.
/// </summary>
/// <param name="processorID">The ID of the <see cref="IMessageProcessor"/>.</param>
/// <param name="bits">The number of bits read or written. Does not include the message ID.</param>
public void HandleProcessorInvoked(MessageProcessorID processorID, int bits)
{
var ubits = (ushort)bits;
// Check the bitsRead range
if (bits < 0)
{
const string errmsg = "Invalid bitsRead value `{0}`.";
if (log.IsErrorEnabled)
log.ErrorFormat(errmsg, bits);
return;
}
if (bits < 0)
{
const string errmsg =
"Invalid bitsRead value `{0}` - value was too large to handle. Will use the largest possible value instead ({1}).";
if (log.IsErrorEnabled)
log.ErrorFormat(errmsg, bits, ushort.MaxValue);
ubits = ushort.MaxValue;
}
// Grab the stats
ProcStats stats;
lock (_statsSync)
{
if (!_stats.TryGetValue(processorID, out stats))
{
stats = new ProcStats(processorID);
_stats[processorID] = stats;
}
}
// Update the stats
stats.NotifyCalled(ubits);
// Check to dump the output
if (_outFilePath != null && _nextDumpTime <= TickCount.Now)
{
_nextDumpTime = (TickCount)(TickCount.Now + _outDumpRate);
Write(_outFilePath);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ProcStats"/> class.
/// </summary>
/// <param name="id">The <see cref="IMessageProcessor"/> ID.</param>
public ProcStats(MessageProcessorID id)
{
_id = id;
}
/// <summary>
/// Gets the <see cref="IMessageProcessorStats"/> for a <see cref="IMessageProcessor"/> identified by the ID.
/// </summary>
/// <param name="msgID">The ID of the <see cref="IMessageProcessor"/> to get the stats for.</param>
/// <returns>The <see cref="IMessageProcessorStats"/> for the given <paramref name="msgID"/>, or null if no
/// stats exist for the given <paramref name="msgID"/>.</returns>
public IMessageProcessorStats GetStats(MessageProcessorID msgID)
{
return _stats[msgID];
}
/// <summary>
/// Gets the <see cref="IMessageProcessor"/> for the corresponding message ID. Can be overridden by the derived class to allow
/// for using a <see cref="IMessageProcessor"/> other than what is acquired by
/// <see cref="MessageProcessorManager.GetInternalMessageProcessor"/>.
/// </summary>
/// <param name="msgID">The ID of the message.</param>
/// <returns>The <see cref="IMessageProcessor"/> for the <paramref name="msgID"/>, or null if an invalid ID.</returns>
protected virtual IMessageProcessor GetMessageProcessor(MessageProcessorID msgID)
{
return GetInternalMessageProcessor(msgID);
}
/// <summary>
/// Gets the <see cref="IMessageProcessor"/> with the given ID. This will only ever return the <see cref="IMessageProcessor"/>
/// for the method that was specified using a <see cref="MessageHandlerAttribute"/>. Is intended to only be used by
/// <see cref="MessageProcessorManager.GetMessageProcessor"/> to allow for access of the <see cref="IMessageProcessor"/>s loaded
/// through the attribute.
/// </summary>
/// <param name="msgID">The ID of the message.</param>
/// <returns>The <see cref="IMessageProcessor"/> for the <paramref name="msgID"/>, or null if an invalid ID.</returns>
protected IMessageProcessor GetInternalMessageProcessor(MessageProcessorID msgID)
{
return _processors[msgID];
}
/// <summary>
/// Initializes a new instance of the <see cref="MessageHandlerAttribute"/> class.
/// </summary>
/// <param name="msgID">The ID of the message that the method this attribute is attached to will handle.</param>
public MessageHandlerAttribute(MessageProcessorID msgID)
{
_msgID = msgID;
}
/// <summary>
/// Gets the <see cref="IMessageProcessor"/> with the given ID. This will only ever return the <see cref="IMessageProcessor"/>
/// for the method that was specified using a <see cref="MessageHandlerAttribute"/>. Is intended to only be used by
/// <see cref="MessageProcessorManager.GetMessageProcessor"/> to allow for access of the <see cref="IMessageProcessor"/>s loaded
/// through the attribute.
/// </summary>
/// <param name="msgID">The ID of the message.</param>
/// <returns>The <see cref="IMessageProcessor"/> for the <paramref name="msgID"/>, or null if an invalid ID.</returns>
protected IMessageProcessor GetInternalMessageProcessor(MessageProcessorID msgID)
{
return _processors[msgID.GetRawValue()];
}
