public static SearchModel ApplyFilters(SearchQuery query, TagMessagesCollection messages)
{
SearchModel searchModel = new SearchModel();
//init messages
searchModel.MessagesCollection = new TagMessagesCollection(messages.Host, messages.Tag);
//init filters
searchModel.FilterModel = new FilterModel()
{
Severity = !String.IsNullOrEmpty(query.Severity) ? query.Severity : String.Empty,
Text = !String.IsNullOrEmpty(query.Text) ? query.Text : String.Empty,
StartTime = query.StartTime,
EndTime = query.EndTime,
MinSeverity = !String.IsNullOrEmpty(query.MinSeverity) ? query.MinSeverity : String.Empty
};
FilterUtility.ApplyQueryFilters(searchModel, messages.Messages);
//calculate page options
searchModel.PageOptions = new PageOptions();
//TODO: Hard-coded page size
searchModel.PageOptions.PageCount = (searchModel.MessagesCollection.Messages.Count / 50) + 1;
if (query.Page <= 0 || query.Page > searchModel.PageOptions.PageCount)
{
searchModel.PageOptions.Page = 1;
}
else
{
searchModel.PageOptions.Page = query.Page;
}
//filter by page
searchModel.MessagesCollection.Messages = searchModel.MessagesCollection.Messages.Skip((searchModel.PageOptions.Page - 1) * 50).Take(50).ToList();
return(searchModel);
}
public HtmlActionResult <TagMessagesCollection> MessageView(string host, string tag)
{
IStateQuery syslogState = base.GetSyslogState();
TagMessagesCollection msgCollection = syslogState.GetTagMessages(host, tag);
msgCollection.Messages.Sort((x, y) => y.Timestamp.CompareTo(x.Timestamp));
return(new HtmlActionResult <TagMessagesCollection>(Path.Combine(base.GetViewDirectory(), "Messages.cshtml"), msgCollection));
}
public HtmlActionResult <SearchModel> Search([FromUri] SearchQuery search)
{
IStateQuery syslogState = base.GetSyslogState();
TagMessagesCollection msgCollection = syslogState.GetTagMessages(search.Host, search.Tag);
//msgCollection.Messages.Sort((x, y) => y.Timestamp.CompareTo(x.Timestamp));
//TODO: This is stable sort but not in-place => possible memory pressure
msgCollection.Messages = msgCollection.Messages.OrderByDescending(x => x.Timestamp).ToList();
SearchModel searchModel = FilterUtility.ApplyFilters(search, msgCollection);
return(new HtmlActionResult <SearchModel>(Path.Combine(base.GetViewDirectory(), "Search.cshtml"), searchModel));
}
public TagMessagesCollection GetTagMessages(string host, string tag)
{
this.rwLock.EnterReadLock();
try
{
TagMessagesCollection tagMessages = new TagMessagesCollection(host, tag);
foreach (var msg in this.messageQueue)
{
if (msg.Hostname.Equals(host, StringComparison.CurrentCultureIgnoreCase) &&
msg.Tag.Equals(tag, StringComparison.CurrentCultureIgnoreCase))
{
tagMessages.Messages.Add(msg);
}
}
return(tagMessages);
}
finally
{
this.rwLock.ExitReadLock();
}
}
