/// <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>
/// 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>
/// 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>
/// Returns a new SqlProfiler to be used in the 'profiler' session.
/// </summary>
public SqlProfiler(Profiler profiler)
{
Profiler = profiler;
}
/// <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>
/// 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 = NServiceKit.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>
/// 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);
}