aspnetcore/src/Microsoft.AspNetCore.Mvc.Ra.../Internal/PageLoggerExtensions.cs

103 lines
4.1 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
using Microsoft.AspNetCore.Mvc.Filters;
using Microsoft.AspNetCore.Mvc.ModelBinding;
using Microsoft.AspNetCore.Mvc.RazorPages.Infrastructure;
using Microsoft.AspNetCore.Razor.Language;
using Microsoft.Extensions.Logging;
namespace Microsoft.AspNetCore.Mvc.RazorPages.Internal
{
internal static class PageLoggerExtensions
{
private static readonly Action<ILogger, string, string[], ModelValidationState, Exception> _handlerMethodExecuting;
private static readonly Action<ILogger, string, string, Exception> _handlerMethodExecuted;
private static readonly Action<ILogger, object, Exception> _pageFilterShortCircuit;
private static readonly Action<ILogger, string, string[], Exception> _malformedPageDirective;
static PageLoggerExtensions()
{
// These numbers start at 101 intentionally to avoid conflict with the IDs used by ResourceInvoker.
_handlerMethodExecuting = LoggerMessage.Define<string, string[], ModelValidationState>(
LogLevel.Information,
101,
"Executing handler method {HandlerName} with arguments ({Arguments}) - ModelState is {ValidationState}");
_handlerMethodExecuted = LoggerMessage.Define<string, string>(
LogLevel.Debug,
102,
"Executed handler method {HandlerName}, returned result {ActionResult}.");
_pageFilterShortCircuit = LoggerMessage.Define<object>(
LogLevel.Debug,
3,
"Request was short circuited at page filter '{PageFilter}'.");
_malformedPageDirective = LoggerMessage.Define<string, string[]>(
LogLevel.Warning,
104,
"The page directive at '{FilePath}' is malformed. Please fix the following issues: {Diagnostics}");
}
public static void ExecutingHandlerMethod(this ILogger logger, PageContext context, HandlerMethodDescriptor handler, object[] arguments)
{
if (logger.IsEnabled(LogLevel.Information))
{
var handlerName = handler.MethodInfo.Name;
string[] convertedArguments;
if (arguments == null)
{
convertedArguments = null;
}
else
{
convertedArguments = new string[arguments.Length];
for (var i = 0; i < arguments.Length; i++)
{
convertedArguments[i] = Convert.ToString(arguments[i]);
}
}
var validationState = context.ModelState.ValidationState;
_handlerMethodExecuting(logger, handlerName, convertedArguments, validationState, null);
}
}
public static void ExecutedHandlerMethod(this ILogger logger, PageContext context, HandlerMethodDescriptor handler, IActionResult result)
{
if (logger.IsEnabled(LogLevel.Debug))
{
var handlerName = handler.MethodInfo.Name;
_handlerMethodExecuted(logger, handlerName, Convert.ToString(result), null);
}
}
public static void PageFilterShortCircuited(
this ILogger logger,
IFilterMetadata filter)
{
_pageFilterShortCircuit(logger, filter, null);
}
public static void MalformedPageDirective(this ILogger logger, string filePath, IList<RazorDiagnostic> diagnostics)
{
if (logger.IsEnabled(LogLevel.Warning))
{
var messages = new string[diagnostics.Count];
for (var i = 0; i < diagnostics.Count; i++)
{
messages[i] = diagnostics[i].GetMessage();
}
_malformedPageDirective(logger, filePath, messages, null);
}
}
}
}