/// <summary>
/// Tries to parse the MessageProcessorID from a string.
/// </summary>
/// <param name="parser">The Parser to use.</param>
/// <param name="value">The string to parse.</param>
/// <param name="outValue">If this method returns true, contains the parsed MessageProcessorID.</param>
/// <returns>True if the parsing was successfully; otherwise false.</returns>
public static bool TryParse(this Parser parser, string value, out MessageProcessorID outValue)
{
ushort tmp;
var ret = parser.TryParse(value, out tmp);
outValue = new MessageProcessorID(tmp);
return(ret);
}
/// <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.GetRawValue() == 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>
/// Writes a MessageProcessorID to a IValueWriter.
/// </summary>
/// <param name="valueWriter">IValueWriter to write to.</param>
/// <param name="name">Unique name of the MessageProcessorID that will be used to distinguish it
/// from other values when reading.</param>
/// <param name="value">MessageProcessorID to write.</param>
public static void Write(this IValueWriter valueWriter, string name, MessageProcessorID value)
{
value.Write(valueWriter, name);
}
/// <summary>
/// Writes a MessageProcessorID to a BitStream.
/// </summary>
/// <param name="bitStream">BitStream to write to.</param>
/// <param name="value">MessageProcessorID to write.</param>
public static void Write(this BitStream bitStream, MessageProcessorID value)
{
value.Write(bitStream);
}
/// <summary>
/// Reads the MessageProcessorID from a BitStream.
/// </summary>
/// <param name="bitStream">BitStream to read the MessageProcessorID from.</param>
/// <returns>The MessageProcessorID read from the BitStream.</returns>
public static MessageProcessorID ReadMessageProcessorID(this BitStream bitStream)
{
return(MessageProcessorID.Read(bitStream));
}
/// <summary>
/// Reads the MessageProcessorID from an IValueReader.
/// </summary>
/// <param name="valueReader">IValueReader to read the MessageProcessorID from.</param>
/// <param name="name">The unique name of the value to read.</param>
/// <returns>The MessageProcessorID read from the IValueReader.</returns>
public static MessageProcessorID ReadMessageProcessorID(this IValueReader valueReader, string name)
{
return(MessageProcessorID.Read(valueReader, name));
}
/// <summary>
/// Reads the MessageProcessorID from an <see cref="IDataRecord"/>.
/// </summary>
/// <param name="r"><see cref="IDataRecord"/> to read the MessageProcessorID from.</param>
/// <param name="i">The field index to read.</param>
/// <returns>The MessageProcessorID read from the <see cref="IDataRecord"/>.</returns>
public static MessageProcessorID GetMessageProcessorID(this IDataRecord r, int i)
{
return(MessageProcessorID.Read(r, i));
}
/// <summary>
/// Reads the MessageProcessorID from an <see cref="IDataRecord"/>.
/// </summary>
/// <param name="r"><see cref="IDataRecord"/> to read the MessageProcessorID from.</param>
/// <param name="name">The name of the field to read the value from.</param>
/// <returns>The MessageProcessorID read from the <see cref="IDataRecord"/>.</returns>
public static MessageProcessorID GetMessageProcessorID(this IDataRecord r, string name)
{
return(MessageProcessorID.Read(r, name));
}
/// <summary>
/// Tries to get the value in the <paramref name="dict"/> entry at the given <paramref name="key"/> as type MessageProcessorID.
/// </summary>
/// <typeparam name="T">The key Type.</typeparam>
/// <param name="dict">The IDictionary.</param>
/// <param name="key">The key for the value to get.</param>
/// <param name="defaultValue">The value to use if the value at the <paramref name="key"/> could not be parsed.</param>
/// <returns>The value at the given <paramref name="key"/> parsed as an int, or the
/// <paramref name="defaultValue"/> if the <paramref name="key"/> did not exist in the <paramref name="dict"/>
/// or the value at the given <paramref name="key"/> could not be parsed.</returns>
public static MessageProcessorID AsMessageProcessorID <T>(this IDictionary <T, string> dict, T key, MessageProcessorID defaultValue)
{
string value;
if (!dict.TryGetValue(key, out value))
{
return(defaultValue);
}
MessageProcessorID parsed;
if (!Parser.Invariant.TryParse(value, out parsed))
{
return(defaultValue);
}
return(parsed);
}
/// <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()]);
}
