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POC# server side for BlackBerry Push Service
 

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    <p>I am trying to send a Push Message to my BlackBerry App. The BlackBerry successfully receives the message via the <code>php</code> server side code. However I am struggling with the c# server side code for quite sometime now. Following is the code that I am running:</p> <pre><code>string userName = "&lt;appID&gt;"; string userPW = "&lt;password&gt;"; public static void SetBasicAuthHeader(WebRequest req, String userName, String userPassword) { string authInfo = userName + ":" + userPassword; authInfo = Convert.ToBase64String(Encoding.Default.GetBytes(authInfo)); req.Headers["Authorization"] = "Basic " + authInfo; } public static void SetProxy(WebRequest req) { Uri newUri = new Uri("http://cp(AppID).pushapi.eval.blackberry.com"); WebProxy proxy = new WebProxy(); proxy.Address = newUri; proxy.Credentials = new NetworkCredential("&lt;appID&gt;", "&lt;password&gt;"); req.Proxy = proxy; } public bool pushTest(string msg) { HttpWebResponse HttpWRes = null; HttpWebRequest HttpWReq = null; string pin = "xxxxxxxx"; // or actual pin of device string applicationID = "xxxxxxxxxxxxxxxxxxxxxx"; string BOUNDARY = "mPsbVQo0a68eIL3OAxnm"; //string msg1 = "testing c#"; // the message to send string userName = "&lt;appID&gt;"; string userPW = "&lt;password&gt;"; string url = "https://pushapi.eval.blackberry.com/mss/PD_pushRequest"; HttpWReq = (HttpWebRequest)WebRequest.Create(url); SetProxy(HttpWReq); HttpWReq.Method = ("POST"); HttpWReq.Accept = "text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2"; //HttpWReq.Credentials = new NetworkCredential(userName, userPW); HttpWReq.PreAuthenticate = true; HttpWReq.ContentType = "multipart/related; boundary=" + BOUNDARY + "; type=application/xml"; SetBasicAuthHeader(HttpWReq, userName, userPW); StringBuilder dataToSend = new StringBuilder(); dataToSend.AppendLine("--" + BOUNDARY); dataToSend.AppendLine("Content-Type: application/xml; charset=UTF-8"); dataToSend.AppendLine(""); dataToSend.AppendLine("&lt;?xml version=\"1.0\"?&gt;"); dataToSend.AppendLine("&lt;!DOCTYPE pap PUBLIC \"-//WAPFORUM//DTD PAP 2.1//EN\" \"http://www.openmobilealliance.org/tech/DTD/pap_2.1.dtd\"&gt;"); dataToSend.AppendLine("&lt;pap&gt;"); string myPushId = DateTime.Now.ToFileTime().ToString(); dataToSend.AppendLine("&lt;push-message push-id=\"" + myPushId + "\" source-reference=\"" + applicationID + "\"&gt;"); dataToSend.AppendLine("&lt;address address-value=\"" + pin + "\"/&gt;"); dataToSend.AppendLine("&lt;quality-of-service delivery-method=\"unconfirmed\"/&gt;"); dataToSend.AppendLine("&lt;/push-message&gt;"); dataToSend.AppendLine("&lt;/pap&gt;"); dataToSend.AppendLine("--" + BOUNDARY); dataToSend.AppendLine("Content-Type: text/plain"); dataToSend.AppendLine("Push-Message-ID: " + myPushId); dataToSend.AppendLine(""); dataToSend.AppendLine(msg); dataToSend.AppendLine("--" + BOUNDARY + "--"); dataToSend.AppendLine(""); Stream requestStream = null; string pushResult = ""; try { requestStream = HttpWReq.GetRequestStream(); } catch (Exception ex) { pushResult = "Push failed! " + ex.ToString(); } byte[] outStr = new ASCIIEncoding().GetBytes(dataToSend.ToString()); requestStream.Write(outStr, 0, outStr.Length); requestStream.Close(); try { HttpWRes = (HttpWebResponse)HttpWReq.GetResponse(); // MessageBox.show(""+HttpWRes); } catch (Exception ex) { //push failed } if (HttpWRes != null) { HttpWRes.Close(); } return true; } </code></pre> <p>I get the following error:</p> <pre><code>Push failed! System.Net.WebException: Unable to connect to the remote server ---&gt; System.Net.Sockets.SocketException: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond 68.171.224.60:80 at System.Net.Sockets.Socket.DoConnect(EndPoint endPointSnapshot, SocketAddress socketAddress) at System.Net.ServicePoint.ConnectSocketInternal(Boolean connectFailure, Socket s4, Socket s6, Socket&amp; socket, IPAddress&amp; address, ConnectSocketState state, IAsyncResult asyncResult, Int32 timeout, Exception&amp; exception) --- End of inner exception stack trace --- at System.Net.HttpWebRequest.GetRequestStream(TransportContext&amp; context) at System.Net.HttpWebRequest.GetRequestStream() </code></pre> <p>Is there any issue with the credentials applied?or the URL? Please help!!</p>
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