1 <?xml version="1.0" encoding="utf-8"?>

     2 <!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->

     3 <!-- This component and the accompanying materials are made available under the terms of the License 

     4 "Eclipse Public License v1.0" which accompanies this distribution, 

     5 and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->

     6 <!-- Initial Contributors:

     7     Nokia Corporation - initial contribution.

     8 Contributors: 

     9 -->

    10 <!DOCTYPE concept

    11   PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">

    12 <concept xml:lang="en" id="GUID-3AB8E95D-4270-5CDE-994E-404BCBEC57B6"><title> Attaching to the default sub-connection: Tutorial</title><prolog><metadata><keywords/></metadata></prolog><conbody><p>This tutorial describes how an application can use the <xref href="GUID-0AFDA357-EE44-3788-9CAB-162B874134BF.dita"><apiname>RSubConnection</apiname></xref> API to attach to the default sub-connection. </p> <p>In the following example, the application wants to connect to the default sub-connection to set its properties. The application simply tries to connect a socket over the connection (which uses the default sub-connection) after it has set properties on the default sub-connection. An example of parameter creation can be found in the separate tutorial <xref href="GUID-7FAE6FE0-D5CB-55D4-94B0-ADD545577CA7.dita">Creating and setting properties for a Sub-Connection</xref>. </p> <codeblock id="GUID-E57DB0E4-D23D-55E4-A7C5-83C15BDA0E43" xml:space="preserve">RSocketServ ss;

    13 RConnection conn;

    14 RSubConnection subconn;

    15 RSocket sock;

    16 TRequestStatus status;

    17 

    18 // Connect to ESOCK

    19 ss.Connect();

    20 

    21 // Open an Connection

    22 conn.Open(ss, KAfInet);

    23 

    24 // Start the connection

    25 conn.Start(status);

    26 User::WaitForRequest(status);

    27 

    28 // Attach to the default sub-connection

    29 subconn.Open(ss, RSubConnection::EAttachToDefault, conn);

    30 

    31 // Set Properties of the default sub-connection

    32 subconn.SetParameters(…);

    33 

    34 // Open a TCP socket on the connection (this is the same as using the default sub-connection)

    35 sock.Open(ss, KAfInet, KSockStream, KProtocolInetTcp, conn);

    36 

    37 _LIT(KRasAddr,"10.159.24.13");

    38 const TInt KEchoPort = 7;

    39 

    40 TInetAddr destAddr;

    41 destAddr.Input(KRasAddr);

    42 destAddr.SetPort(KEchoPort);

    43 

    44 // Request the Socket to connect to the destination over the default sub-connection

    45 sock.Connect(destAddr, status);

    46 </codeblock> <p> <b>Note:</b> Error handling is not included to aid clarity. </p> </conbody></concept>