/// <summary>
/// save a new request under a GUID and the request data itself as well
/// </summary>
/// <param name="id">the id of the request</param>
/// <param name="request">the request to save</param>
/// <exception cref="OverflowException">max. number of elements exceeded, <see cref="F:System.Int32.MaxValue" />.</exception>
public void SaveNewRequestEntry(Guid id, NetMQMessage request)
{
var entry = new RequestEntry {
RequestId = id, Position = -1, State = RequestEntry.Is_Pending, Request = request
};
SaveRequestEntry(entry);
}
/// <summary>
/// save a new request under a GUID
/// </summary>
/// <param name="id">the id of the request</param>
public void SaveNewRequestEntry(Guid id)
{
var entry = new RequestEntry()
{
RequestId = id, Position = -1, State = RequestEntry.Is_Pending
};
SaveRequestEntry(entry);
}
/// <summary>
/// saves a request entry to the infrastructure
/// </summary>
/// <param name="entry">the request entry to save</param>
/// <exception cref="OverflowException">max. number of elements exceeded, <see cref="F:System.Int32.MaxValue" />.</exception>
/// <exception cref="ArgumentNullException"><paramref name="entry.RequestId" /> is a 'null' reference.</exception>
public void SaveRequestEntry(RequestEntry entry)
{
if (ReferenceEquals(entry, null))
{
throw new ArgumentNullException(nameof(entry), "The RequestEntry to save must not be null!");
}
m_titanicQueue.AddOrUpdate(entry.RequestId, entry, (id, e) => entry);
}
/// <summary>
/// save a new request under a GUID and saves the request data as well
/// </summary>
/// <param name="id">the id of the request</param>
/// <param name="request">the request data to save</param>
public void SaveNewRequestEntry(Guid id, NetMQMessage request)
{
// save the request data to file first and then
SaveMessage(TitanicOperation.Request, id, request);
// create the appropriate entry and
var entry = new RequestEntry()
{
RequestId = id, Position = -1, State = RequestEntry.Is_Pending
};
// save the request to queue
SaveRequestEntry(entry);
}
/// <summary>
/// save a NetMQ message under a GUID
/// </summary>
/// <param name="op">defines whether it is a REQUEST or REPLY message</param>
/// <param name="id">the guid of the message to save</param>
/// <param name="message">the message to save</param>
/// <exception cref="OverflowException">max. number of elements exceeded, <see cref="F:System.Int32.MaxValue" />.</exception>
public bool SaveMessage(TitanicOperation op, Guid id, NetMQMessage message)
{
var entry = new RequestEntry
{
RequestId = id,
Request = message,
State = GetStateFromOperation(op)
};
m_titanicQueue.AddOrUpdate(id, entry, (i, oldValue) => entry);
return(true);
}
/// <summary>
/// saves a request entry to the infrastructure
/// </summary>
/// <param name="entry">the request entry to save</param>
public void SaveRequestEntry(RequestEntry entry)
{
lock (m_syncRoot)
{
using (var file = File.OpenWrite(m_titanicQueue))
{
var source = CreateFileEntry(entry.RequestId, entry.State);
var position = entry.Position == -1 ? file.Seek(0, SeekOrigin.End) : entry.Position;
WriteRequest(file, source, file.Seek(position, SeekOrigin.Begin));
}
}
}
/// <summary>
/// save a processed request entry and mark it as such
/// </summary>
/// <param name="entry">the entry to save</param>
public void SaveProcessedRequestEntry([NotNull] RequestEntry entry)
{
entry.State = RequestEntry.Is_Processed;
SaveRequestEntry(entry);
}