Symbian3/PDK/Source/GUID-7EE80A94-DAB3-5A5C-B3AE-146501592736.dita
author Dominic Pinkman <dominic.pinkman@nokia.com>
Fri, 13 Aug 2010 16:47:46 +0100
changeset 14 578be2adaf3e
parent 5 f345bda72bc4
permissions -rw-r--r--
Week 32 contribution of PDK documentation content. See release notes for details. Fixes bug Bug 3582
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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
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<!-- This component and the accompanying materials are made available under the terms of the License 
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"Eclipse Public License v1.0" which accompanies this distribution, 
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
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    Nokia Corporation - initial contribution.
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Contributors: 
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<!DOCTYPE concept
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  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
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25a17d01db0c Addition of the PDK content and example code for Documentation_content according to Feature bug 1607 and bug 1608
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<concept xml:lang="en" id="GUID-7EE80A94-DAB3-5A5C-B3AE-146501592736"><title>Sending and Receiving Data Tutorial</title><shortdesc>This topic describes how to send and receive data to a remote host. </shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody><section><title>Introduction</title> <p>When the client connects to the remote host it can send and receive data packets to a remote host. This tutorial describes the following: </p> <ul><li id="GUID-BED45529-EC0D-5A52-815A-CB56B2995842"><p> <xref href="GUID-7EE80A94-DAB3-5A5C-B3AE-146501592736.dita#GUID-7EE80A94-DAB3-5A5C-B3AE-146501592736/GUID-9E7CB558-F1AC-5C65-906B-2BF97FDD8124"> How to Send Data to a Remote Host</xref>  </p> </li> <li id="GUID-47320BA5-127C-5377-B7A5-105F361FA67D"><p> <xref href="GUID-7EE80A94-DAB3-5A5C-B3AE-146501592736.dita#GUID-7EE80A94-DAB3-5A5C-B3AE-146501592736/GUID-5B79C047-6443-5FA3-9A09-427C88468681"> How to Receive Data from a Remote Host</xref>  </p> </li> </ul> </section> <section id="GUID-9E7CB558-F1AC-5C65-906B-2BF97FDD8124"><title> How to Send Data to a Remote Host</title> <p>The <xref href="GUID-D4F08503-F1EF-3531-9C3C-4AF24A6255F0.dita#GUID-D4F08503-F1EF-3531-9C3C-4AF24A6255F0/GUID-ADE2383D-3075-30B4-8F63-6D837EB75AEF"><apiname>RSocket::Send()</apiname></xref> and <xref href="GUID-D4F08503-F1EF-3531-9C3C-4AF24A6255F0.dita#GUID-D4F08503-F1EF-3531-9C3C-4AF24A6255F0/GUID-F948E0A6-DC1A-3FCD-A391-0FEE0F673D36"><apiname>RSocket::SendTo()</apiname></xref> functions send the data to a remote host with a flag parameter option set. </p> </section> <section id="GUID-5B79C047-6443-5FA3-9A09-427C88468681"><title> How to Receive Data from a Remote Host</title> <p>The <xref href="GUID-D4F08503-F1EF-3531-9C3C-4AF24A6255F0.dita#GUID-D4F08503-F1EF-3531-9C3C-4AF24A6255F0/GUID-E17C2B37-BA28-3B7F-9FAC-82D3D2B7B0EF"><apiname>RSocket::Recv()</apiname></xref>, <xref href="GUID-D4F08503-F1EF-3531-9C3C-4AF24A6255F0.dita#GUID-D4F08503-F1EF-3531-9C3C-4AF24A6255F0/GUID-67604D2C-36A6-3586-A31F-FB49C531E66F"><apiname>RSocket::Read()</apiname></xref>, <xref href="GUID-D4F08503-F1EF-3531-9C3C-4AF24A6255F0.dita#GUID-D4F08503-F1EF-3531-9C3C-4AF24A6255F0/GUID-358DD8F2-DEDF-383B-B4F0-11AB5FB1AC72"><apiname>RSocket::RecvOneOrMore()</apiname></xref> and <xref href="GUID-D4F08503-F1EF-3531-9C3C-4AF24A6255F0.dita#GUID-D4F08503-F1EF-3531-9C3C-4AF24A6255F0/GUID-876863C1-E691-3C3F-9CFB-9597B577509E"><apiname>RSocket::RecvFrom()</apiname></xref> functions receive and read the data from a remote host. </p> <p>The <codeph>RSocket::Recv()</codeph> and <codeph>RSocket::Read()</codeph> functions attempts to read the amount of data set by the size of the descriptor passed. These functions only complete when the descriptor is filled, or when the connection closes. If the descriptor is filled, the amount of data read is passed back in <codeph>aLen</codeph>. If the connection closes, the descriptor does not contain any data, and <codeph>aLen</codeph> should be ignored. </p> <p>The <codeph>RSocket::RecvOneOrMore()</codeph> function is completed when data is available. </p> <p>The <codeph>RSocket::RecvFrom()</codeph> function reads the first queued datagram. When it returns <codeph>anAddr</codeph> points to a <codeph>TInetAddr</codeph> object that holds the address of the remote source of the data. In UDP, if the socket is not bound to a local address and port, then binding is attempted. </p> <p> </p> </section> </conbody></concept>