/// <summary>
/// Starts a new MiniProfiler and associates it with the current <see cref="HttpContext.Current"/>.
/// </summary>
public override Profiler Start(ProfileLevel level)
{
var context = HttpContext.Current;
if (context == null) return null;
var url = context.Request.Url;
var path = context.Request.AppRelativeCurrentExecutionFilePath.Substring(1);
// don't profile /content or /scripts, either - happens in web.dev
foreach (var ignored in Profiler.Settings.IgnoredPaths ?? new string[0])
{
if (path.ToUpperInvariant().Contains((ignored ?? "").ToUpperInvariant()))
return null;
}
var result = new Profiler(url.OriginalString, level);
Current = result;
SetProfilerActive(result);
// don't really want to pass in the context to MiniProfler's constructor or access it statically in there, either
result.User = (Settings.UserProvider ?? new IpAddressIdentity()).GetUser(context.Request);
return result;
}
/// <summary>
/// Sets <paramref name="profiler"/> to be active (read to start profiling)
/// This should be called once a new MiniProfiler has been created.
/// </summary>
/// <param name="profiler">The profiler to set to active</param>
/// <exception cref="ArgumentNullException">If <paramref name="profiler"/> is null</exception>
protected static void SetProfilerActive(Profiler profiler)
{
if (profiler == null)
throw new ArgumentNullException("profiler");
profiler.IsActive = true;
}
/// <summary>
/// Stops the profiler and marks it as inactive.
/// </summary>
/// <param name="profiler">The profiler to stop</param>
/// <returns>True if successful, false if Stop had previously been called on this profiler</returns>
/// <exception cref="ArgumentNullException">If <paramref name="profiler"/> is null</exception>
protected static bool StopProfiler(Profiler profiler)
{
if (profiler == null)
throw new ArgumentNullException("profiler");
if (!profiler.StopImpl())
return false;
profiler.IsActive = false;
return true;
}
/// <summary>
/// Creates a new Timing named 'name' in the 'profiler's session, with 'parent' as this Timing's immediate ancestor.
/// </summary>
public Timing(Profiler profiler, Timing parent, string name)
{
this.Id = Guid.NewGuid();
Profiler = profiler;
Profiler.Head = this;
if (parent != null) // root will have no parent
{
parent.AddChild(this);
}
Name = name;
_startTicks = profiler.ElapsedTicks;
StartMilliseconds = profiler.GetRoundedMilliseconds(_startTicks);
}
/// <summary>
/// Creates a new SqlTiming to profile 'command'.
/// </summary>
public SqlTiming(DbCommand command, ExecuteType type, Profiler profiler)
{
Id = Guid.NewGuid();
CommandString = AddSpacesToParameters(command.CommandText);
Parameters = GetCommandParameters(command);
ExecuteType = type;
if (!Profiler.Settings.ExcludeStackTraceSnippetFromSqlTimings)
StackTraceSnippet = ServiceStack.MiniProfiler.Helpers.StackTraceSnippet.Get();
_profiler = profiler;
if (_profiler != null)
{
_profiler.AddSqlTiming(this);
_startTicks = _profiler.ElapsedTicks;
StartMilliseconds = _profiler.GetRoundedMilliseconds(_startTicks);
}
}
/// <summary>
/// Calls <see cref="Profiler.Settings.EnsureStorageStrategy"/> to save the current
/// profiler using the current storage settings
/// </summary>
/// <param name="current"></param>
protected static void SaveProfiler(Profiler current)
{
// because we fetch profiler results after the page loads, we have to put them somewhere in the meantime
Profiler.Settings.EnsureStorageStrategy();
Profiler.Settings.Storage.Save(current);
}
/// <summary>
/// Returns a new SqlProfiler to be used in the 'profiler' session.
/// </summary>
public SqlProfiler(Profiler profiler)
{
Profiler = profiler;
}
/// <summary>
/// Build full page result
/// </summary>
/// <param name="httpRes"></param>
/// <param name="profiler"></param>
/// <returns></returns>
private static string ResultsFullPage(IResponse httpRes, Profiler profiler)
{
httpRes.ContentType = "text/html";
return new StringBuilder()
.AppendLine("<html><head>")
.AppendFormat("<title>{0} ({1} ms) - MvcMiniProfiler Results</title>", profiler.Name, profiler.DurationMilliseconds)
.AppendLine()
.AppendLine("<script type='text/javascript' src='https://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js'></script>")
.Append("<script type='text/javascript'> var profiler = ")
//.Append(Profiler.ToJson(profiler)) // There is a problem, property ElapsedTicks can't be serialized
.Append(SerializeProfiler(profiler))
.AppendLine(";</script>")
.Append(RenderIncludes(profiler)) // figure out how to better pass display options
.AppendLine("</head><body><div class='profiler-result-full'></div></body></html>")
.ToString();
}
/// <summary>
/// Profiler JSON serialization. It's better to use exclusion filter than inclusion, this implementation was just for testing purpose.
/// </summary>
/// <param name="profiler"></param>
/// <returns></returns>
private static string SerializeProfiler(Profiler profiler)
{
var jss = new JsonSerializerSettings();
jss.ContractResolver = new DynamicContractResolver(new List<string>()
{
"Id", "Name", "Started", "MachineName", "Level", "Root", "User", "HasUserViewed", "DurationMilliseconds",
"HasTrivialTimings", "HasAllTrivialTimings", "TrivialDurationThresholdMilliseconds", "StartMilliseconds",
"Children", "KeyValues", "SqlTimings", "ParentTimingId", "ExecuteType", "CommandString", "FormattedCommandString",
"StackTraceSnippet", "FirstFetchDurationMilliseconds", "Parameters", "IsDuplicate", "DurationMillisecondsInSql",
"ExecutedNonQueries", "ExecutedReaders", "ExecutedScalars", "HasDuplicateSqlTimings", "HasSqlTimings", "Depth",
"DurationMilliseconds", "DurationWithoutChildrenMilliseconds", "HasChildren", "IsRoot", "IsTrivial", "KeyValues",
"SqlTimingsDurationMilliseconds",
//"ElapsedTicks"
});
return JsonConvert.SerializeObject(profiler, jss);
}
/// <summary>
/// Starts a new MiniProfiler and associates it with the current <see cref="HttpContext.Current"/>.
/// </summary>
public override Profiler Start(ProfileLevel level)
{
if (Request == null) return null;
var path = Request.RawUrl;
// don't profile /content or /scripts, either - happens in web.dev
foreach (var ignored in Profiler.Settings.IgnoredPaths ?? new string[0])
{
if (path.ToUpperInvariant().Contains((ignored ?? "").ToUpperInvariant()))
return null;
}
var result = new Profiler(Request.Url.ToString(), level);
Current = result;
SetProfilerActive(result);
// I'm not managing user yet
result.User = RemoteIp;
return result;
}
/// <summary>
/// Makes sure 'profiler' has a Name, pulling it from route data or url. Add verb for rest api profiling
/// </summary>
private static void EnsureName(Profiler profiler, HttpListenerRequest request)
{
// also set the profiler name to Controller/Action or /url
if (string.IsNullOrWhiteSpace(profiler.Name))
{
profiler.Name = string.Format("{0} {1}", request.HttpMethod, request.RawUrl);
if (profiler.Name.Length > 70)
profiler.Name = profiler.Name.Remove(70);
}
}
/// <summary>
/// Makes sure 'profiler' has a Name, pulling it from route data or url.
/// </summary>
private static void EnsureName(Profiler profiler, HttpRequest request)
{
// also set the profiler name to Controller/Action or /url
if (profiler.Name.IsNullOrWhiteSpace())
{
//var rc = request.RequestContext;
//RouteValueDictionary values;
//if (rc != null && rc.RouteData != null && (values = rc.RouteData.Values).Count > 0)
//{
// var controller = values["Controller"];
// var action = values["Action"];
// if (controller != null && action != null)
// profiler.Name = controller.ToString() + "/" + action.ToString();
//}
if (profiler.Name.IsNullOrWhiteSpace())
{
profiler.Name = request.Path ?? "";
if (profiler.Name.Length > 70)
profiler.Name = profiler.Name.Remove(70);
}
}
}
/// <summary>
/// Returns a new SqlProfiler to be used in the 'profiler' session.
/// </summary>
public SqlProfiler(Profiler profiler)
{
Profiler = profiler;
}
