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

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

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     7     Nokia Corporation - initial contribution.

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    10 <!DOCTYPE concept

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

    12 <concept xml:lang="en" id="GUID-E3E19113-AAEE-55C2-8016-11D492123762"><title>Creating a new sub-connection - Adding an already connected socket</title><prolog><metadata><keywords/></metadata></prolog><conbody><p>The following example shows how an application can use a sub-connection explicitly via an <xref href="GUID-0AFDA357-EE44-3788-9CAB-162B874134BF.dita"><apiname>RSubConnection</apiname></xref> instance, and tie an already connected <xref href="GUID-D4F08503-F1EF-3531-9C3C-4AF24A6255F0.dita"><apiname>RSocket</apiname></xref> to the sub-connection that has had its properties set (parameter creation is described in separate section): </p> <codeblock id="GUID-3FCEF3CA-23AB-5040-90F9-C96A49FA4A84" 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 // Open a TCP socket on the connection

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

    30 

    31 _LIT(KRasAddr,"10.159.24.13");

    32 const TInt KEchoPort = 7;

    33 

    34 TInetAddr destAddr;

    35 destAddr.Input(KRasAddr);

    36 destAddr.SetPort(KEchoPort);

    37 

    38 // Connect the Socket to the destination over the connection (default sub-connection)

    39 sock.Connect(destAddr, status);

    40 

    41 // Create a new sub-connection

    42 subconn.Open(ss, RSubConnection::ECreateNew, conn);

    43 

    44 // Set Properties of the sub-connection

    45 subconn.SetParameters(…);

    46 

    47 // Move the connected socket onto the new sub-connection

    48 TRequestStatus status;

    49 subconn.Add(sock, status);

    50 

    51 // Wait for socket to added

    52 User::WaitForRequest(status);

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