Microsoft.Protocols.TestSuites.MS_OXCMAPIHTTP.MS_OXCMAPIHTTPAdapter.SendMAPIHttpRequest C# (CSharp) Method

        private HttpWebResponse SendMAPIHttpRequest(string userName, string password, IRequestBody requestBody, ServerEndpoint endpoint, CookieCollection cookies, WebHeaderCollection resquestHeaders, out byte[] rawBuffer)
        {
            rawBuffer = null;
            HttpWebResponse response = null;
            AdapterHelper.Counter++;
            string url = string.Empty;
            if (endpoint == ServerEndpoint.MailboxServerEndpoint)
            {
                if (string.IsNullOrEmpty(this.mailStoreUrl))
                {
                    this.GetEndpointUrl();
                }

                url = this.mailStoreUrl;
            }
            else
            {
                if (string.IsNullOrEmpty(this.addressBookUrl))
                {
                    this.GetEndpointUrl();
                }

                url = this.addressBookUrl;
            }

            System.Net.ServicePointManager.ServerCertificateValidationCallback =
            new System.Net.Security.RemoteCertificateValidationCallback(Common.ValidateServerCertificate);
            HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
            request.CookieContainer = new CookieContainer();
            request.Method = "POST";
            request.ProtocolVersion = HttpVersion.Version11;
            request.ContentType = "application/mapi-http";
            request.Credentials = new NetworkCredential(userName, password, this.domainName);
            request.Headers.Add(resquestHeaders);
            request.CookieContainer.Add(cookies);
            request.Timeout = System.Threading.Timeout.Infinite;

            byte[] buffer = null;
            if (requestBody != null)
            {
                buffer = requestBody.Serialize();
                request.ContentLength = buffer.Length;
            }
            else
            {
                request.ContentLength = 0;
            }   

            if (requestBody != null)
            {
                using (Stream stream = request.GetRequestStream())
                {
                    stream.Write(buffer, 0, buffer.Length);
                }
            }

            try
            {
                response = request.GetResponse() as HttpWebResponse;

                // Read the HTTP response buffer and parse the response to correct format.
                if (response.StatusCode == HttpStatusCode.OK)
                {
                    rawBuffer = this.ReadHttpResponse(response);
                }
            }
            catch (WebException ex)
            {
                this.Site.Log.Add(
                    LogEntryKind.Comment, 
                    "A WebException happened when connecting the server, The exception is {0}.",
                    ex.Message);
                return (HttpWebResponse)ex.Response;
            }

            return response;
        }