private static void AddScopeItemToMessage(object scopeItem, LoggerJsonMessage message, KeyValuePair <string, object?> scopeSubItem)
{
if (scopeSubItem.Key == "{OriginalFormat}")
{
if (message.Scope == null)
{
message.Scope = RentScopeList();
}
// Item should be a FormattedLogValues instance here, which formats when ToString is called.
string FormattedMessage = scopeItem.ToString();
if (FormattedMessage == "[null]")
{
message.Scope.Add(null);
}
else
{
message.Scope.Add(FormattedMessage);
}
return;
}
if (message.Data == null)
{
message.Data = RentDataDictionary();
}
message.Data[scopeSubItem.Key] = scopeSubItem.Value;
}
private static void AddStateItemToMessage <TState>(TState state, LoggerJsonMessage message, KeyValuePair <string, object?> item)
{
if (item.Key == "{OriginalFormat}")
{
// state should be a FormattedLogValues instance here, which formats when ToString is called.
string FormattedMessage = state !.ToString();
if (FormattedMessage != "[null]")
{
message.Content = FormattedMessage;
}
return;
}
if (message.Data == null)
{
message.Data = RentDataDictionary();
}
if (item.Key == "{Data}")
{
AddDataToMessage(message.Data, item.Value);
return;
}
message.Data[item.Key] = item.Value;
}
private static void ParseScopeItem(object item, LoggerJsonMessage message)
{
if (item is LoggerGroup LoggerGroup)
{
if (message._Group == null || LoggerGroup.Priority >= message._Group.Priority)
{
message._Group = LoggerGroup;
}
}
else if (item is string)
{
if (message.Scope == null)
{
message.Scope = RentScopeList();
}
message.Scope.Add(item);
}
else if (item is IReadOnlyList <KeyValuePair <string, object?> > scopeList)
{
for (int i = 0; i < scopeList.Count; i++)
{
AddScopeItemToMessage(item, message, scopeList[i]);
}
}
else if (item is IEnumerable <KeyValuePair <string, object?> > scopeValues)
{
foreach (KeyValuePair <string, object?> SubItem in scopeValues)
{
AddScopeItemToMessage(item, message, SubItem);
}
}
else if (item.GetType().IsValueType)
{
if (message.Scope == null)
{
message.Scope = RentScopeList();
}
message.Scope.Add(item);
}
else
{
if (message.Data == null)
{
message.Data = RentDataDictionary();
}
AddObjectPropertiesToMessageData(message.Data, item);
}
}
/// <summary>
/// Returns any rented resources for the <see cref="LoggerJsonMessage"/> back to their parent pools.
/// </summary>
/// <param name="message"><see cref="LoggerJsonMessage"/>.</param>
public static void Return(LoggerJsonMessage message)
{
Debug.Assert(message != null);
if (message.Scope != null && s_ScopeListPool.Count < 1024)
{
message.Scope.Clear();
s_ScopeListPool.Add(message.Scope);
message.Scope = null;
}
if (message.Data != null && s_DataDictionaryPool.Count < 1024)
{
message.Data.Clear();
s_DataDictionaryPool.Add(message.Data);
message.Data = null;
}
if (message.Exception != null)
{
LoggerJsonMessageException.Return(message.Exception);
}
}
/// <summary>
/// Create a <see cref="LoggerJsonMessage"/> instance from Logger data.
/// </summary>
/// <param name="groupName">Group name associated with this entry.</param>
/// <param name="categoryName">Category name associated with this entry.</param>
/// <param name="scope">Scope data associated with this entry.</param>
/// <param name="logLevel">Entry will be written on this level.</param>
/// <param name="eventId">Id of the event.</param>
/// <param name="state">The entry to be written. Can be also an object.</param>
/// <param name="exception">The exception related to this entry.</param>
/// <param name="formatter">Function to create a <see cref="string"/> message of the <paramref name="state"/> and <paramref name="exception"/>.</param>
/// <typeparam name="TState">The type of the object to be written.</typeparam>
/// <returns>Created <see cref="LoggerJsonMessage"/> instance.</returns>
public static LoggerJsonMessage FromLoggerData <TState>(
string?groupName,
string categoryName,
IEnumerable <object>?scope,
LogLevel logLevel,
EventId eventId,
TState state,
Exception?exception,
Func <TState, Exception?, string> formatter)
{
if (formatter == null)
{
throw new ArgumentNullException(nameof(formatter));
}
LoggerJsonMessage Message = new LoggerJsonMessage()
{
TimestampUtc = DateTime.UtcNow,
ThreadId = Thread.CurrentThread.ManagedThreadId,
EventId = eventId.Id != 0 ? (int?)eventId.Id : null,
LogLevel = logLevel,
GroupName = groupName,
CategoryName = categoryName
};
if (scope != null)
{
(Message.Data, Message.Scope) = ParseScope(scope);
}
if (exception != null)
{
Message.Exception = LoggerJsonMessageException.FromException(exception);
}
if (state is IEnumerable <KeyValuePair <string, object?> > StateValues)
{
foreach (KeyValuePair <string, object?> Item in StateValues)
{
if (Item.Key == "{OriginalFormat}")
{
// state should be a FormattedLogValues instance here, which formats when ToString is called.
string FormattedMessage = state.ToString();
if (FormattedMessage != "[null]")
{
Message.Content = FormattedMessage;
}
continue;
}
if (Message.Data == null)
{
Message.Data = new Dictionary <string, object?>();
}
if (Item.Key == "{Data}")
{
AddDataToMessage(Message.Data, Item.Value);
continue;
}
Message.Data[Item.Key] = Item.Value;
}
}
if (string.IsNullOrEmpty(Message.Content))
{
string FormattedMessage = formatter(state, null);
if (FormattedMessage != "[null]")
{
Message.Content = FormattedMessage;
}
}
return(Message);
}