1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2<html> 3 4<head> 5<META http-equiv="Content-Type" content="text/html; charset=windows-1252"> 6<META http-equiv="Content-Style-Type" content="text/css"> 7<META name="GENERATOR" content="IBM WebSphere Studio Homepage Builder Version 7.0.0.0 for Windows"> 8<title>DWC_LoginToStorageServerAsync</title> 9<LINK rel="stylesheet" href="../css/nitro.css" type="text/css"> 10</head> 11 12<body> 13<a name="dwc__datastorage_8h_129e422c5b9c0136b318fcebddc626b66"></a> 14<h1 align="left">DWC_LoginToStorageServerAsync</h1> 15<h2>Syntax</h2> 16 17<dl> 18 <dd> 19<CODE>#include <dwc.h></CODE><BR> 20 <BR> 21 <PRE><CODE>BOOL <a href=DWC_LoginToStorageServerAsync.html#dwc__datastorage_8h_129e422c5b9c0136b318fcebddc626b66>DWC_LoginToStorageServerAsync</a>(<a href=DWCStorageLoginCallback.html#dwc__datastorage_8h_1360a3f5b67136919e01994ad200c721e>DWCStorageLoginCallback</a> callback, 22 void *param);</CODE></PRE></dd> 23</dl> 24 25<h2>Arguments</h2> 26 27<TABLE border="1" width="100%"> 28 <TBODY> 29 30 <TR> 31<TD width="13%"><EM><STRONG>callback</STRONG></EM></TD> 32<TD width="87%">Pointer to the login completion notification callback function.</TD> 33 </TR> 34 35 <TR> 36<TD width="13%"><EM><STRONG>param</STRONG></EM></TD> 37<TD width="87%">Callback parameter.</TD> 38 </TR> 39 40 </TBODY> 41</TABLE> 42 43<h2>Return Values</h2> 44 45<TABLE border="1" width="100%"> 46 <TBODY> 47 48 <TR> 49<TD width="13%"><EM><STRONG>TRUE</STRONG></EM></TD> 50<TD width="87%">Starting the login process was successful.</TD> 51 </TR> 52 53 <TR> 54<TD width="13%"><EM><STRONG>FALSE</STRONG></EM></TD> 55<TD width="87%">Starting the login process was not successful. Note that no callback is called.</TD> 56 </TR> 57 58 </TBODY> 59</TABLE> 60 61<H2>Description</H2> 62<p>Log in to the data storage server. Log in using this function before calling any of the following storage server access functions: <a href="DWC_LoadOthersDataAsync.html"><CODE>DWC_LoadOthersDataAsync</CODE></a>, <a href=DWC_LoadOwnPrivateDataAsync.html><CODE>DWC_LoadOwnPrivateDataAsync</CODE></a>, <a href="DWC_SavePublicDataAsync.html"><CODE>DWC_SavePublicDataAsync</CODE></a>, and <a href="DWC_SavePrivateDataAsync.html"><CODE>DWC_SavePrivateDataAsync</CODE></a>.</p><p>If the <A href="DWC_ProcessFriendsMatch.html"><CODE>DWC_ProcessFriendsMatch</CODE></a> function is called repeatedly after this function is called, the login process proceeds. Once the login process is complete, the completion callback is called.</p><p>After data access finishes, logout using the <a href="DWC_LogoutFromStorageServer.html"><CODE>DWC_LogoutFromStorageServer</CODE></a> function. Logout is executed automatically if the <a href="DWC_ShutdownFriendsMatch.html"><CODE>DWC_ShutdownFriendsMatch</CODE></a> function is called.</p> 63 64<H2>Revision History</H2> 65<DL> 66 67</DL> 68<hr><p>CONFIDENTIAL</p></body> 69</html> 70