public static CompletedResult Create(object state, AsyncCallback callback)
{
CompletedResult cr = new CompletedResult(state);
cr.Complete(callback);
return(cr);
}
private IAsyncResult Sample_BeginAuthenticateRequest(Object source, EventArgs e,
AsyncCallback cb, Object state)
{
IAsyncResult ar = null;
HttpApplication application = (HttpApplication)source;
HttpContext context = application.Context;
string path = context.Request.Url.AbsolutePath;
if (path.StartsWith(CookiePath, StringComparison.OrdinalIgnoreCase) &&
(path.EndsWith(".aspx", StringComparison.OrdinalIgnoreCase) ||
path.EndsWith("/", StringComparison.Ordinal)))
{
RequestInfo info;
HttpCookie machCookie = context.Request.Cookies[MachCookie];
if ((machCookie == null) || !machCookie.HasKeys ||
(machCookie.Values[MachId] == null))
{
//
// If the client didn't send a machine cookie, then create a new RequestInfo
// object, and store it in the per-request Items cache. The cookie will be
// created later.
//
info = new RequestInfo(Guid.NewGuid(), true, false);
}
else
{
string guidStr = machCookie.Values[MachId];
try
{
Guid machGuid = new Guid(guidStr);
//
// If the client sent a valid machine cookie, check to see if
// the first response flag was set in the cookie
//
bool firstResp = false;
if (machCookie.Values[MachFirst] != null)
{
firstResp = true;
}
info = new RequestInfo(machGuid, false, firstResp);
}
catch (FormatException)
{
//
// If the old cookie was malformed, then create and cache the
// RequestInfo object and request that a new cookie be created later
//
info = new RequestInfo(Guid.NewGuid(), true, false);
}
}
context.Items[RequestInfo.REQ_INFO] = info;
//
// If this is the first time the browser has
// sent the cookie back to us, then record the
// ID in the database.
//
if (info.FirstResponse)
{
//
// Insert or update the machine ID asynchronously. Don't write the full PageView
// record until later, in the worker thread.
//
SqlConnection conn = new SqlConnection(ConnString);
SqlCommand cmd = new SqlCommand("[Traffic].[AddMachine]", conn);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add("id", SqlDbType.UniqueIdentifier).Value = info.MachineId;
conn.Open();
ar = cmd.BeginExecuteNonQuery(cb, cmd);
}
}
return(ar ?? CompletedResult.Create(state, cb));
}
