/// <summary>
/// Represents a thrown exception and some context.
/// </summary>
/// <param name="ex">The exception that was thrown.</param>
/// <param name="isHandled">Whether the exception is explicitly handled or not.</param>
/// <param name="correlationID">A unique identifier to tie two or more exception reports together.</param>
/// <param name="webHostingContext">The current web application hosting context, if applicable.</param>
/// <param name="capturedHttpContext">Captured values from the current HTTP context being handled, if applicable.</param>
public ExceptionWithCapturedContext(
Exception ex,
bool isHandled = false,
Guid? correlationID = null,
WebHostingContext webHostingContext = null,
CapturedHttpContext capturedHttpContext = null
)
{
// Check for a WrappedException to pull out custom Exception info:
WrappedException wex = ex as WrappedException;
Exception thrownEx = ex;
if (wex != null)
{
UserState = wex.UserState;
ex = wex.Wrapped;
}
Exception = ex;
IsHandled = isHandled;
CorrelationID = correlationID;
WebHostingContext = webHostingContext;
CapturedHttpContext = capturedHttpContext;
RealStackTrace = new StackTrace(thrownEx, true);
LoggedTimeUTC = DateTime.UtcNow;
ManagedThreadID = Thread.CurrentThread.ManagedThreadId;
SequenceNumber = Interlocked.Increment(ref runningSequenceNumber);
// Capture some details about the exception:
var exType = ex.GetType();
AssemblyName = exType.Assembly.FullName;
TypeName = exType.FullName;
// TODO(jsd): Sanitize embedded file paths in stack trace
StackTrace = thrownEx.StackTrace;
// SHA1 hash the `assemblyName:typeName:stackTrace[:targetSite]`:
string hashableData = String.Concat(AssemblyName, ":", TypeName, ":", StackTrace);
if (RealStackTrace != null && RealStackTrace.FrameCount > 0)
{
// Add in TargetSite data:
TargetSite = new ExceptionTargetSite(RealStackTrace);
hashableData += ":" + TargetSite.GetHashableData();
}
ExceptionID = Hash.SHA1(hashableData);
if (ex.InnerException != null)
InnerException = new ExceptionWithCapturedContext(ex.InnerException, isHandled, correlationID, webHostingContext, capturedHttpContext);
}
static SHA1Hash CalcWebApplicationID(WebHostingContext host)
{
var id = Hash.SHA1(
String.Concat(
host.MachineName, ":",
host.ApplicationID, ":",
host.PhysicalPath, ":",
host.VirtualPath, ":",
host.SiteName
)
);
return id;
}
