public IISContextFactory(MemoryPool <byte> memoryPool, IHttpApplication <T> application, IISServerOptions options, IISHttpServer server)
{
_application = application;
_memoryPool = memoryPool;
_options = options;
_server = server;
}
private static NativeMethods.REQUEST_NOTIFICATION_STATUS HandleRequest(IntPtr pInProcessHandler, IntPtr pvRequestContext)
{
IISHttpServer server = null;
try
{
// Unwrap the server so we can create an http context and process the request
server = (IISHttpServer)GCHandle.FromIntPtr(pvRequestContext).Target;
// server can be null if ungraceful shutdown.
if (server == null)
{
return(NativeMethods.REQUEST_NOTIFICATION_STATUS.RQ_NOTIFICATION_FINISH_REQUEST);
}
var safehandle = new NativeSafeHandle(pInProcessHandler);
var context = server._iisContextFactory.CreateHttpContext(safehandle);
ThreadPool.UnsafeQueueUserWorkItem(context, preferLocal: false);
return(NativeMethods.REQUEST_NOTIFICATION_STATUS.RQ_NOTIFICATION_PENDING);
}
catch (Exception ex)
{
server?._logger.LogError(0, ex, $"Unexpected exception in static {nameof(IISHttpServer)}.{nameof(HandleRequest)}.");
return(NativeMethods.REQUEST_NOTIFICATION_STATUS.RQ_NOTIFICATION_FINISH_REQUEST);
}
}
internal unsafe IISHttpContext(MemoryPool <byte> memoryPool, IntPtr pInProcessHandler, IISServerOptions options, IISHttpServer server)
: base((HttpApiTypes.HTTP_REQUEST *)NativeMethods.HttpGetRawRequest(pInProcessHandler))
{
_memoryPool = memoryPool;
_pInProcessHandler = pInProcessHandler;
_options = options;
_server = server;
}
public IISContextFactory(MemoryPool <byte> memoryPool, IHttpApplication <T> application, IISServerOptions options, IISHttpServer server, ILogger logger)
{
_application = application;
_memoryPool = memoryPool;
_options = options;
_server = server;
_logger = logger;
AppContext.TryGetSwitch(Latin1Suppport, out _useLatin1);
}
private static bool HandleShutdown(IntPtr pvRequestContext)
{
IISHttpServer server = null;
try
{
server = (IISHttpServer)GCHandle.FromIntPtr(pvRequestContext).Target;
server._applicationLifetime.StopApplication();
}
catch (Exception ex)
{
server?._logger.LogError(0, ex, $"Unexpected exception in {nameof(IISHttpServer)}.{nameof(HandleShutdown)}.");
}
return(true);
}
internal unsafe IISHttpContext(
MemoryPool <byte> memoryPool,
IntPtr pInProcessHandler,
IISServerOptions options,
IISHttpServer server,
ILogger logger)
: base((HttpApiTypes.HTTP_REQUEST *)NativeMethods.HttpGetRawRequest(pInProcessHandler))
{
_memoryPool = memoryPool;
_pInProcessHandler = pInProcessHandler;
_options = options;
_server = server;
_logger = logger;
((IHttpBodyControlFeature)this).AllowSynchronousIO = _options.AllowSynchronousIO;
}
private static void OnRequestsDrained(IntPtr serverContext)
{
IISHttpServer server = null;
try
{
server = (IISHttpServer)GCHandle.FromIntPtr(serverContext).Target;
server._nativeApplication.StopCallsIntoManaged();
server._shutdownSignal.TrySetResult(null);
server._cancellationTokenRegistration.Dispose();
}
catch (Exception ex)
{
server?._logger.LogError(0, ex, $"Unexpected exception in {nameof(IISHttpServer)}.{nameof(OnRequestsDrained)}.");
}
}
private static NativeMethods.REQUEST_NOTIFICATION_STATUS HandleRequest(IntPtr pInProcessHandler, IntPtr pvRequestContext)
{
IISHttpServer server = null;
try
{
// Unwrap the server so we can create an http context and process the request
server = (IISHttpServer)GCHandle.FromIntPtr(pvRequestContext).Target;
Interlocked.Increment(ref server._outstandingRequests);
var context = server._iisContextFactory.CreateHttpContext(pInProcessHandler);
ThreadPool.QueueUserWorkItem(state => _ = HandleRequest((IISHttpContext)state), context);
return(NativeMethods.REQUEST_NOTIFICATION_STATUS.RQ_NOTIFICATION_PENDING);
}
catch (Exception ex)
{
server?._logger.LogError(0, ex, $"Unexpected exception in static {nameof(IISHttpServer)}.{nameof(HandleRequest)}.");
return(NativeMethods.REQUEST_NOTIFICATION_STATUS.RQ_NOTIFICATION_FINISH_REQUEST);
}
}
private static int HandleShutdown(IntPtr pvRequestContext)
{
IISHttpServer server = null;
try
{
server = (IISHttpServer)GCHandle.FromIntPtr(pvRequestContext).Target;
// server can be null if ungraceful shutdown.
if (server == null)
{
// return value isn't checked.
return(1);
}
server._applicationLifetime.StopApplication();
}
catch (Exception ex)
{
server?._logger.LogError(0, ex, $"Unexpected exception in {nameof(IISHttpServer)}.{nameof(HandleShutdown)}.");
}
return(1);
}
public IISHttpContextOfT(MemoryPool <byte> memoryPool, IHttpApplication <TContext> application, IntPtr pInProcessHandler, IISServerOptions options, IISHttpServer server, ILogger logger)
: base(memoryPool, pInProcessHandler, options, server, logger)
{
_application = application;
}
public IISHttpContextOfT(MemoryPool <byte> memoryPool, IHttpApplication <TContext> application, NativeSafeHandle pInProcessHandler, IISServerOptions options, IISHttpServer server, ILogger logger, bool useLatin1)
: base(memoryPool, pInProcessHandler, options, server, logger, useLatin1)
{
_application = application;
}
