Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/resourcemanager_8cpp_source.html
Week 28 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 1897 and Bug 1522.
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<h1>examples/Base/resourcemanager/resourcemanager.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).</span>
<a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
<a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span>
<a name="l00004"></a>00004 <span class="comment">// under the terms of "Eclipse Public License v1.0"</span>
<a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span>
<a name="l00006"></a>00006 <span class="comment">// at the URL "http://www.eclipse.org/legal/epl-v10.html".</span>
<a name="l00007"></a>00007 <span class="comment">//</span>
<a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span>
<a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span>
<a name="l00010"></a>00010 <span class="comment">//</span>
<a name="l00011"></a>00011 <span class="comment">// Contributors:</span>
<a name="l00012"></a>00012 <span class="comment">//</span>
<a name="l00013"></a>00013 <span class="comment">// Description:</span>
<a name="l00014"></a>00014 <span class="comment">// Demonstrates the Resource Manager's user side API, RBusDevResManUs</span>
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <span class="preprocessor">#include <e32cons.h></span>
<a name="l00017"></a>00017 <span class="preprocessor">#include <d32resmanus.h></span>
<a name="l00018"></a>00018
<a name="l00019"></a>00019 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtExampleCode,<span class="stringliteral">"PRM Example"</span>);
<a name="l00020"></a>00020 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtFailed,<span class="stringliteral">"\nFailed with error : %d \n"</span>);
<a name="l00021"></a>00021 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtPressAnyKey,<span class="stringliteral">" \nPress any key to continue\n"</span>);
<a name="l00022"></a>00022 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KEnterResourceIdValue,<span class="stringliteral">"\nEnter the resource ID - any number other than zero: "</span>);
<a name="l00023"></a>00023 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtStateChange,<span class="stringliteral">"\nState of the resource after the change: %d"</span>);
<a name="l00024"></a>00024 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintNoOfClients,<span class="stringliteral">"\nNumber of clients is %d \n"</span>);
<a name="l00025"></a>00025 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOptionNotSupported,<span class="stringliteral">"\nThis option is not supported\n"</span>);
<a name="l00031"></a>00031 _LIT8(KClient,<span class="stringliteral">"resourcemanager"</span>);
<a name="l00032"></a>00032 TClientName gName(KClient);
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="comment">//Indicates whether kernel-side (as well as user-side) clients are included in the request.</span>
<a name="l00035"></a>00035 <span class="keyword">const</span> TBool gIsKernelClient = EFalse;
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="comment">//Holds the resource ID selected by the user</span>
<a name="l00038"></a>00038 TUint gResourceId;
<a name="l00039"></a>00039
<a name="l00044"></a>00044 RBusDevResManUs gChannel;
<a name="l00045"></a>00045
<a name="l00046"></a>00046 CConsoleBase* gConsole;
<a name="l00047"></a>00047
<a name="l00048"></a>00048 TUint gNumClients = 0; <span class="comment">//The number of resource manager clients</span>
<a name="l00049"></a>00049 TUint gNumResources = 0; <span class="comment">//The number of available resources</span>
<a name="l00050"></a>00050
<a name="l00056"></a>00056 TInt gReadValue = 0;
<a name="l00057"></a>00057
<a name="l00061"></a>00061 TUint GetUserInput()
<a name="l00062"></a>00062 {
<a name="l00063"></a>00063 TBufC<50> buf;
<a name="l00064"></a>00064 TPtr ptr(buf.Des());
<a name="l00065"></a>00065 TKeyCode ch = gConsole->Getch();
<a name="l00066"></a>00066 <span class="keywordflow">while</span>(ch != EKeyEnter)
<a name="l00067"></a>00067 {
<a name="l00068"></a>00068 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KChar, <span class="stringliteral">"%c"</span>);
<a name="l00069"></a>00069 gConsole->Printf(KChar,ch);
<a name="l00070"></a>00070 <span class="keywordflow">if</span>(ch!= EKeyBackspace)
<a name="l00071"></a>00071 {
<a name="l00072"></a>00072 ptr.Append(ch);
<a name="l00073"></a>00073 }
<a name="l00074"></a>00074 ch=gConsole->Getch();
<a name="l00075"></a>00075 }
<a name="l00076"></a>00076 TUint value;
<a name="l00077"></a>00077
<a name="l00078"></a>00078 TUint err = TLex(ptr).Val(value, EDecimal);
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="keywordflow">if</span>(value == 0)
<a name="l00081"></a>00081 {
<a name="l00082"></a>00082 gConsole->Printf(KTxtOptionNotSupported);
<a name="l00083"></a>00083 <span class="keywordflow">return</span> (TUint)KErrNotSupported;;
<a name="l00084"></a>00084 }
<a name="l00085"></a>00085 <span class="keywordflow">else</span>
<a name="l00086"></a>00086 {
<a name="l00087"></a>00087 <span class="keywordflow">if</span> (err == (TUint)KErrNone)
<a name="l00088"></a>00088 {
<a name="l00089"></a>00089 <span class="keywordflow">return</span> value;
<a name="l00090"></a>00090 }
<a name="l00091"></a>00091 <span class="keywordflow">else</span>
<a name="l00092"></a>00092 {
<a name="l00093"></a>00093 <span class="keywordflow">return</span> (TUint)KErrNotSupported;; <span class="comment">// Error condition - could not parse input to number.</span>
<a name="l00094"></a>00094 }
<a name="l00095"></a>00095 }
<a name="l00096"></a>00096 }
<a name="l00097"></a>00097
<a name="l00101"></a>00101 <span class="keywordtype">void</span> GetNoOfResources()
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOption,<span class="stringliteral">"\nGet the number of resources \n"</span>);
<a name="l00104"></a>00104 gConsole->Printf(KTxtOption);
<a name="l00105"></a>00105 TInt err=gChannel.GetNoOfResources(gNumResources);
<a name="l00106"></a>00106 <span class="keywordflow">if</span>(err != KErrNone)
<a name="l00107"></a>00107 {
<a name="l00108"></a>00108 gConsole->Printf(KTxtFailed,err);
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110 <span class="keywordflow">else</span>
<a name="l00111"></a>00111 {
<a name="l00112"></a>00112 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintNoOfResources,<span class="stringliteral">"\nNumber of resources = %d \n"</span>);
<a name="l00113"></a>00113 gConsole->Printf(KPrintNoOfResources,gNumResources);
<a name="l00114"></a>00114 }
<a name="l00115"></a>00115 }
<a name="l00116"></a>00116
<a name="l00121"></a>00121 <span class="keywordtype">void</span> GetResourceInfo()
<a name="l00122"></a>00122 {
<a name="l00123"></a>00123 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOption,<span class="stringliteral">"\nGet information about a particular resource...\n"</span>);
<a name="l00124"></a>00124 gConsole->Printf(KTxtOption);
<a name="l00125"></a>00125 <span class="comment">//Request the user to select a resource</span>
<a name="l00126"></a>00126 gConsole->Printf(KEnterResourceIdValue);
<a name="l00127"></a>00127 gResourceId = GetUserInput();
<a name="l00128"></a>00128 <span class="keywordflow">if</span>(gResourceId != (TUint)KErrNotSupported)
<a name="l00129"></a>00129 {
<a name="l00130"></a>00130 <span class="comment">/*</span>
<a name="l00131"></a>00131 <span class="comment"> The name of the resource is held in an 8 bit buffer. In order to print this value as a string, </span>
<a name="l00132"></a>00132 <span class="comment"> it must be converted to a 16 bit buffer. One character is left to hold the 'Null' character to mark the end of</span>
<a name="l00133"></a>00133 <span class="comment"> the string.</span>
<a name="l00134"></a>00134 <span class="comment"> */</span>
<a name="l00135"></a>00135 TBuf16<MAX_RESOURCE_NAME_LENGTH+1>name; <span class="comment">//maximum resource length defined in d32resmanus.h </span>
<a name="l00136"></a>00136 <span class="comment">// retrieve information about the selected resource</span>
<a name="l00137"></a>00137 TResourceInfoBuf *info = <span class="keyword">new</span> TResourceInfoBuf();
<a name="l00138"></a>00138 TInt err=gChannel.GetResourceInfo(gResourceId,info);
<a name="l00139"></a>00139 <span class="keywordflow">if</span>(err!= KErrNone)
<a name="l00140"></a>00140 {
<a name="l00141"></a>00141 gConsole->Printf(KTxtFailed,err);
<a name="l00142"></a>00142 }
<a name="l00143"></a>00143 <span class="keywordflow">else</span>
<a name="l00144"></a>00144 {
<a name="l00145"></a>00145 name.Copy((*info)().iName); <span class="comment">//Copy the name of the resource into the Unicode buffer.</span>
<a name="l00146"></a>00146 name.PtrZ(); <span class="comment">//Append a zero terminator to the buffer.</span>
<a name="l00147"></a>00147 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintResourceInfo,<span class="stringliteral">"\nResource id = %d \t Resource name = %S \n"</span>);
<a name="l00148"></a>00148 gConsole->Printf(KPrintResourceInfo,gResourceId ,&name);
<a name="l00149"></a>00149 }
<a name="l00150"></a>00150 <span class="keyword">delete</span> info;
<a name="l00151"></a>00151 }
<a name="l00152"></a>00152 }
<a name="l00153"></a>00153
<a name="l00157"></a>00157 <span class="keywordtype">void</span> GetAllResourcesInfoL()
<a name="l00158"></a>00158 {
<a name="l00159"></a>00159 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOption,<span class="stringliteral">"\nGet information about all the resources...\n"</span>);
<a name="l00160"></a>00160 gConsole->Printf(KTxtOption);
<a name="l00161"></a>00161 <span class="comment">//Find the number of resources available</span>
<a name="l00162"></a>00162 GetNoOfResources();
<a name="l00163"></a>00163 <span class="comment">/*</span>
<a name="l00164"></a>00164 <span class="comment"> Construct an array of TResourceInfoBuf objects.</span>
<a name="l00165"></a>00165 <span class="comment"> TResourceInfo holds all the information about a resource.</span>
<a name="l00166"></a>00166 <span class="comment"> */</span>
<a name="l00167"></a>00167 TInt err;
<a name="l00168"></a>00168 RSimplePointerArray<TResourceInfoBuf> resPtrs(gNumResources);
<a name="l00169"></a>00169 <span class="keywordflow">for</span>(TUint i=0;i<gNumResources;i++)
<a name="l00170"></a>00170 {
<a name="l00171"></a>00171 TResourceInfoBuf* info = <span class="keyword">new</span> TResourceInfoBuf;
<a name="l00172"></a>00172 <span class="keywordflow">if</span>((err=resPtrs.Insert(info, i))!=KErrNone)
<a name="l00173"></a>00173 {
<a name="l00174"></a>00174 gConsole->Printf(KTxtFailed,err);
<a name="l00175"></a>00175 }
<a name="l00176"></a>00176 }
<a name="l00177"></a>00177 <span class="comment">//Retrieve information about all the available resources</span>
<a name="l00178"></a>00178 <span class="keywordflow">if</span>((err=gChannel.GetAllResourcesInfo(&resPtrs,gNumResources))!=KErrNone)
<a name="l00179"></a>00179 {
<a name="l00180"></a>00180 gConsole->Printf(KTxtFailed,err);
<a name="l00181"></a>00181 }
<a name="l00182"></a>00182 <span class="comment">/*</span>
<a name="l00183"></a>00183 <span class="comment"> The name of the resource is held in an 8 bit buffer. In order to print this value as a string, </span>
<a name="l00184"></a>00184 <span class="comment"> it must be converted to a 16 bit buffer. One character is left to hold the 'Null' character to mark the end of</span>
<a name="l00185"></a>00185 <span class="comment"> the string.</span>
<a name="l00186"></a>00186 <span class="comment"> */</span>
<a name="l00187"></a>00187 TBuf16<MAX_RESOURCE_NAME_LENGTH+1>name;
<a name="l00188"></a>00188 <span class="keywordflow">for</span>(TUint i=0; i<gNumResources; i++)
<a name="l00189"></a>00189 {
<a name="l00190"></a>00190 TResourceInfoBuf* currentInfo = resPtrs[i];
<a name="l00191"></a>00191 name.Copy((*currentInfo)().iName);<span class="comment">//Copy the name of the resource into the Unicode buffer.</span>
<a name="l00192"></a>00192 name.PtrZ();<span class="comment">//Append a zero terminator to the buffer.</span>
<a name="l00193"></a>00193 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintResourceInfo,<span class="stringliteral">"Resource id = %d, name = %S \n"</span>);
<a name="l00194"></a>00194 gConsole->Printf(KPrintResourceInfo,(*currentInfo)().iId,&name);
<a name="l00195"></a>00195 <span class="keywordflow">if</span>(i%5 == 0 && i!= 0) <span class="comment">//Print 5 resources at a time.</span>
<a name="l00196"></a>00196 {
<a name="l00197"></a>00197 gConsole->Printf(KTxtPressAnyKey);
<a name="l00198"></a>00198 TChar tchar = gConsole->Getch();
<a name="l00199"></a>00199 }
<a name="l00200"></a>00200 <span class="keyword">delete</span> currentInfo;
<a name="l00201"></a>00201 }
<a name="l00202"></a>00202 resPtrs.Close(); <span class="comment">//Close the R class</span>
<a name="l00203"></a>00203 }
<a name="l00204"></a>00204
<a name="l00208"></a>00208 <span class="keywordtype">void</span> GetResourceState()
<a name="l00209"></a>00209 {
<a name="l00210"></a>00210 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOption,<span class="stringliteral">"\nGet the state of a particular resource... \n"</span>);
<a name="l00211"></a>00211 gConsole->Printf(KTxtOption);
<a name="l00212"></a>00212 <span class="comment">//Enter a resource value.</span>
<a name="l00213"></a>00213 gConsole->Printf(KEnterResourceIdValue);
<a name="l00214"></a>00214 gResourceId = GetUserInput();
<a name="l00215"></a>00215 <span class="keywordflow">if</span>(gResourceId != (TUint)KErrNotSupported)
<a name="l00216"></a>00216 {
<a name="l00217"></a>00217 TRequestStatus getResourceStatus;
<a name="l00231"></a>00231 TBool isCached = EFalse;
<a name="l00232"></a>00232 TInt levelOwnerId = 0;
<a name="l00233"></a>00233 gChannel.GetResourceState(getResourceStatus,gResourceId,isCached,&gReadValue,&levelOwnerId);
<a name="l00234"></a>00234 User::WaitForRequest(getResourceStatus);
<a name="l00235"></a>00235 <span class="keywordflow">if</span>(getResourceStatus.Int() != KErrNone)
<a name="l00236"></a>00236 {
<a name="l00237"></a>00237 gConsole->Printf(KTxtFailed,getResourceStatus.Int());
<a name="l00238"></a>00238 }
<a name="l00239"></a>00239 <span class="keywordflow">else</span>
<a name="l00240"></a>00240 {
<a name="l00241"></a>00241 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintResourceState,<span class="stringliteral">"\nResource state is %d\n"</span>);
<a name="l00242"></a>00242 gConsole->Printf(KPrintResourceState,gReadValue);
<a name="l00243"></a>00243 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtLevelOwnerId,<span class="stringliteral">"\nId of the client which owns this resource is %d"</span>);
<a name="l00244"></a>00244 gConsole->Printf(KTxtLevelOwnerId,levelOwnerId);
<a name="l00245"></a>00245 }
<a name="l00246"></a>00246 }
<a name="l00247"></a>00247 }
<a name="l00248"></a>00248
<a name="l00252"></a>00252 <span class="keywordtype">void</span> GetNumClientsUsingResource()
<a name="l00253"></a>00253 {
<a name="l00254"></a>00254 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOption,<span class="stringliteral">"\nGet the number of clients using a particular resource... \n"</span>);
<a name="l00255"></a>00255 gConsole->Printf(KTxtOption);
<a name="l00256"></a>00256 GetNoOfResources(); <span class="comment">//Get the total number of resources available</span>
<a name="l00257"></a>00257 <span class="comment">//Ask the user to select a resource.</span>
<a name="l00258"></a>00258 gConsole->Printf(KEnterResourceIdValue);
<a name="l00259"></a>00259 gResourceId = GetUserInput();
<a name="l00260"></a>00260 <span class="keywordflow">if</span>(gResourceId != (TUint)KErrNotSupported)
<a name="l00261"></a>00261 {
<a name="l00262"></a>00262 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintNoOfClientsUsingResource,<span class="stringliteral">"\nNumber of clients using resource : %d\n"</span>);
<a name="l00263"></a>00263 gNumClients = 0; <span class="comment">//This should be initialised to '0' otherwise the API returns KErrArgument</span>
<a name="l00264"></a>00264 TInt err=gChannel.GetNumClientsUsingResource(gResourceId, gNumClients, gIsKernelClient);
<a name="l00265"></a>00265 <span class="keywordflow">if</span>((err == KErrArgument && gNumClients == 0) || err == KErrNone)
<a name="l00266"></a>00266 {
<a name="l00267"></a>00267 gConsole->Printf(KPrintNoOfClientsUsingResource,gNumClients);
<a name="l00268"></a>00268 }
<a name="l00269"></a>00269 <span class="keywordflow">else</span>
<a name="l00270"></a>00270 {
<a name="l00271"></a>00271 gConsole->Printf(KTxtFailed,err);
<a name="l00272"></a>00272 }
<a name="l00273"></a>00273 }
<a name="l00274"></a>00274 }
<a name="l00275"></a>00275
<a name="l00279"></a>00279 <span class="keywordtype">void</span> GetNumResourcesInUseByClient()
<a name="l00280"></a>00280 {
<a name="l00281"></a>00281 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOption,<span class="stringliteral">"\nGet the number of resources in use by a particular client \n"</span>);
<a name="l00282"></a>00282 gConsole->Printf(KTxtOption);
<a name="l00283"></a>00283 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtClientName,<span class="stringliteral">"Name of the client used in this option is resourcemanager "</span>);
<a name="l00284"></a>00284 gConsole->Printf(KTxtClientName);
<a name="l00285"></a>00285 <span class="comment">//Gets the number of resources used by the client, by passing in the client's name.</span>
<a name="l00286"></a>00286 TInt err=gChannel.GetNumResourcesInUseByClient(gName, gNumResources, gIsKernelClient);
<a name="l00287"></a>00287 <span class="keywordflow">if</span>(err!=KErrNone)
<a name="l00288"></a>00288 {
<a name="l00289"></a>00289 gConsole->Printf(KTxtFailed,err);
<a name="l00290"></a>00290 }
<a name="l00291"></a>00291 <span class="keywordflow">else</span>
<a name="l00292"></a>00292 {
<a name="l00293"></a>00293 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintNumResourcesInUseByClient,<span class="stringliteral">"\nNumber of resources in use by client : %d\n"</span>);
<a name="l00294"></a>00294 gConsole->Printf(KPrintNumResourcesInUseByClient,gNumResources);
<a name="l00295"></a>00295 }
<a name="l00296"></a>00296 }
<a name="l00297"></a>00297
<a name="l00301"></a>00301 <span class="keywordtype">void</span> GetInfoOnResourcesInUseByClientL()
<a name="l00302"></a>00302 {
<a name="l00303"></a>00303 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOption,<span class="stringliteral">"\nGet information about all the resources in use by client... \n"</span>);
<a name="l00304"></a>00304 gConsole->Printf(KTxtOption);
<a name="l00305"></a>00305
<a name="l00306"></a>00306 <span class="comment">//Get number of resources in use by the client.</span>
<a name="l00307"></a>00307 GetNumResourcesInUseByClient();
<a name="l00308"></a>00308
<a name="l00309"></a>00309 <span class="keywordflow">if</span>(gNumResources!= 0)
<a name="l00310"></a>00310 {
<a name="l00311"></a>00311 <span class="comment">/*</span>
<a name="l00312"></a>00312 <span class="comment"> Construct an array of TResourceInfoBuf objects.</span>
<a name="l00313"></a>00313 <span class="comment"> TResourceInfo holds all the information about a resource.</span>
<a name="l00314"></a>00314 <span class="comment"> */</span>
<a name="l00315"></a>00315 RSimplePointerArray<TResourceInfoBuf> resPtrs(gNumResources);
<a name="l00316"></a>00316
<a name="l00317"></a>00317 <span class="keywordflow">for</span>(TUint i=0;i<gNumResources;i++)
<a name="l00318"></a>00318 {
<a name="l00319"></a>00319 TResourceInfoBuf *info = <span class="keyword">new</span> TResourceInfoBuf();
<a name="l00320"></a>00320 TInt err=resPtrs.Insert(info, i);
<a name="l00321"></a>00321 <span class="keywordflow">if</span>(err!= KErrNone)
<a name="l00322"></a>00322 {
<a name="l00323"></a>00323 gConsole->Printf(KTxtFailed,err);
<a name="l00324"></a>00324 }
<a name="l00325"></a>00325 }
<a name="l00326"></a>00326 <span class="comment">//Gets information about all the resources</span>
<a name="l00327"></a>00327 TInt err=gChannel.GetInfoOnResourcesInUseByClient(gName, gNumResources, &resPtrs);
<a name="l00328"></a>00328 <span class="keywordflow">if</span>(err!= KErrNone)
<a name="l00329"></a>00329 {
<a name="l00330"></a>00330 gConsole->Printf(KTxtFailed,err);
<a name="l00331"></a>00331 }
<a name="l00332"></a>00332 <span class="keywordflow">else</span>
<a name="l00333"></a>00333 {
<a name="l00334"></a>00334 <span class="comment">/*</span>
<a name="l00335"></a>00335 <span class="comment"> The name of the resource is held in an 8 bit buffer. In order to print this value as a string, </span>
<a name="l00336"></a>00336 <span class="comment"> it must be converted to a 16 bit buffer. One character is left to hold the 'Null' character to mark the end of</span>
<a name="l00337"></a>00337 <span class="comment"> the string.</span>
<a name="l00338"></a>00338 <span class="comment"> */</span>
<a name="l00339"></a>00339 TBuf16<MAX_RESOURCE_NAME_LENGTH+1>name;
<a name="l00340"></a>00340 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintResourceInfo,<span class="stringliteral">"\nResource %d name = %S \n"</span>);
<a name="l00341"></a>00341 <span class="keywordflow">for</span>(TUint i=0; i<gNumResources; i++)
<a name="l00342"></a>00342 {
<a name="l00343"></a>00343 TResourceInfoBuf* currRes = resPtrs[i];
<a name="l00344"></a>00344 name.Copy((*currRes)().iName);<span class="comment">//Copy the name of the resource into the Unicode buffer.</span>
<a name="l00345"></a>00345 name.PtrZ();<span class="comment">//Append a zero terminator to the buffer.</span>
<a name="l00346"></a>00346 gConsole->Printf(KPrintResourceInfo,i,&name);
<a name="l00347"></a>00347 <span class="keywordflow">if</span>(i%5 == 0) <span class="comment">//Print 5 resources at a time.</span>
<a name="l00348"></a>00348 {
<a name="l00349"></a>00349 gConsole->Printf(KTxtPressAnyKey);
<a name="l00350"></a>00350 TChar tchar = gConsole->Getch();
<a name="l00351"></a>00351 }
<a name="l00352"></a>00352 }
<a name="l00353"></a>00353 }
<a name="l00354"></a>00354 resPtrs.Close();
<a name="l00355"></a>00355 }
<a name="l00356"></a>00356 }
<a name="l00357"></a>00357
<a name="l00361"></a>00361 <span class="keywordtype">void</span> GetInfoOnClientsUsingResourceL()
<a name="l00362"></a>00362 {
<a name="l00363"></a>00363 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOption,<span class="stringliteral">"\nGet information about all clients using a particular resource... \n"</span>);
<a name="l00364"></a>00364 gConsole->Printf(KTxtOption);
<a name="l00365"></a>00365
<a name="l00366"></a>00366 <span class="comment">//Get the number of clients using a particular resource</span>
<a name="l00367"></a>00367 GetNumClientsUsingResource();
<a name="l00368"></a>00368
<a name="l00369"></a>00369 <span class="keywordflow">if</span>(gNumClients!= 0)
<a name="l00370"></a>00370 {
<a name="l00371"></a>00371 <span class="comment">//Construct an array of TClientInfoBuf objects. TClientInfo consists of the client name and ID.</span>
<a name="l00372"></a>00372 RSimplePointerArray<TClientInfoBuf> resPtrs(gNumClients);
<a name="l00373"></a>00373 <span class="keywordflow">for</span>(TUint i=0;i<gNumClients;i++)
<a name="l00374"></a>00374 {
<a name="l00375"></a>00375 TClientInfoBuf *info = <span class="keyword">new</span> TClientInfoBuf();
<a name="l00376"></a>00376 TInt err=resPtrs.Insert(info, i);
<a name="l00377"></a>00377 <span class="keywordflow">if</span>(err!= KErrNone)
<a name="l00378"></a>00378 {
<a name="l00379"></a>00379 gConsole->Printf(KTxtFailed,err);
<a name="l00380"></a>00380 }
<a name="l00381"></a>00381 }
<a name="l00382"></a>00382 TInt err=gChannel.GetInfoOnClientsUsingResource(gResourceId, gNumClients, &resPtrs, gIsKernelClient);
<a name="l00383"></a>00383 <span class="keywordflow">if</span>(err!= KErrNone)
<a name="l00384"></a>00384 {
<a name="l00385"></a>00385 gConsole->Printf(KTxtFailed,err);
<a name="l00386"></a>00386 }
<a name="l00387"></a>00387 <span class="keywordflow">else</span>
<a name="l00388"></a>00388 {
<a name="l00389"></a>00389 <span class="comment">//Print information about all the clients using this resource.</span>
<a name="l00390"></a>00390 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintClientName,<span class="stringliteral">"Client name %d = %S, ID=%d\n"</span>);
<a name="l00391"></a>00391 <span class="keywordflow">for</span>(TUint i=0;i<gNumClients;i++)
<a name="l00392"></a>00392 {
<a name="l00393"></a>00393 TClientInfoBuf* currInfoBuf = resPtrs[i];
<a name="l00394"></a>00394 TClientInfo currInfo=(*currInfoBuf)();
<a name="l00395"></a>00395 TBuf16<sizeof(TClientName)> name;
<a name="l00396"></a>00396 name.Copy(currInfo.iName);
<a name="l00397"></a>00397 gConsole->Printf(KPrintClientName,i,&name,currInfo.iId);
<a name="l00398"></a>00398 }
<a name="l00399"></a>00399 }
<a name="l00400"></a>00400 resPtrs.Close();
<a name="l00401"></a>00401 }
<a name="l00402"></a>00402 }
<a name="l00403"></a>00403
<a name="l00407"></a>00407 <span class="keywordtype">void</span> GetNamesOfAllClientsL()
<a name="l00408"></a>00408 {
<a name="l00409"></a>00409 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOption,<span class="stringliteral">"\nGet the names of all clients... \n"</span>);
<a name="l00410"></a>00410
<a name="l00411"></a>00411 gConsole->Printf(KTxtOption);
<a name="l00412"></a>00412
<a name="l00413"></a>00413 <span class="comment">//Gets the number of clients</span>
<a name="l00414"></a>00414 TInt err=gChannel.GetNoOfClients(gNumClients, gIsKernelClient);
<a name="l00415"></a>00415
<a name="l00416"></a>00416 <span class="comment">//Creates an array of client names</span>
<a name="l00417"></a>00417 RSimplePointerArray<TClientName> resPtrs(gNumClients);
<a name="l00418"></a>00418 <span class="keywordflow">if</span>(err != KErrNone)
<a name="l00419"></a>00419 {
<a name="l00420"></a>00420 gConsole->Printf(KTxtFailed,err);
<a name="l00421"></a>00421 }
<a name="l00422"></a>00422 <span class="keywordflow">else</span>
<a name="l00423"></a>00423 {
<a name="l00424"></a>00424 gConsole->Printf(KPrintNoOfClients,gNumClients);
<a name="l00425"></a>00425 <span class="keywordflow">for</span>(TUint i=0;i<gNumClients;i++)
<a name="l00426"></a>00426 {
<a name="l00427"></a>00427 TClientName *info = <span class="keyword">new</span> TClientName();
<a name="l00428"></a>00428 <span class="keywordflow">if</span>((err=resPtrs.Insert(info, i))!= KErrNone)
<a name="l00429"></a>00429 {
<a name="l00430"></a>00430 gConsole->Printf(KTxtFailed,err);
<a name="l00431"></a>00431 }
<a name="l00432"></a>00432 }
<a name="l00433"></a>00433 }
<a name="l00434"></a>00434
<a name="l00435"></a>00435 <span class="comment">// Gets the names of all clients</span>
<a name="l00436"></a>00436 <span class="keywordflow">if</span>((err=gChannel.GetNamesAllClients(&resPtrs, gNumClients, gIsKernelClient)) != KErrNone)
<a name="l00437"></a>00437 {
<a name="l00438"></a>00438 gConsole->Printf(KTxtFailed,err);
<a name="l00439"></a>00439 }
<a name="l00440"></a>00440 <span class="keywordflow">else</span>
<a name="l00441"></a>00441 {
<a name="l00442"></a>00442 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintNamesOfAllClients,<span class="stringliteral">"\nNames of all clients\n"</span>);
<a name="l00443"></a>00443 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintClientName,<span class="stringliteral">"Client name : %S\n"</span>);
<a name="l00444"></a>00444 gConsole->Printf(KPrintNamesOfAllClients);
<a name="l00445"></a>00445 <span class="keywordflow">for</span>(TUint i=0;i<gNumClients;i++)
<a name="l00446"></a>00446 {
<a name="l00447"></a>00447 TClientName *currName = resPtrs[i];
<a name="l00448"></a>00448 TBuf16<sizeof(TClientName)> name;
<a name="l00449"></a>00449 name.Copy(*currName);
<a name="l00450"></a>00450 gConsole->Printf(KPrintClientName,&name);
<a name="l00451"></a>00451 <span class="keyword">delete</span> currName;
<a name="l00452"></a>00452 }
<a name="l00453"></a>00453 }
<a name="l00454"></a>00454 resPtrs.Close();
<a name="l00455"></a>00455 }
<a name="l00456"></a>00456
<a name="l00460"></a>00460 TInt ChangeStateOfResource()
<a name="l00461"></a>00461 {
<a name="l00462"></a>00462 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOption,<span class="stringliteral">"\nChange the state of a particular resource... \n"</span>);
<a name="l00463"></a>00463 gConsole->Printf(KTxtOption);
<a name="l00464"></a>00464
<a name="l00465"></a>00465 <span class="comment">//Gets the current state of the resource</span>
<a name="l00466"></a>00466 GetResourceState();
<a name="l00467"></a>00467 TInt newLevel = gReadValue + 2; <span class="comment">//new (random) state value</span>
<a name="l00468"></a>00468 TRequestStatus changeResourceStatus;
<a name="l00469"></a>00469 gChannel.ChangeResourceState(changeResourceStatus,gResourceId,newLevel);
<a name="l00470"></a>00470 User::WaitForRequest(changeResourceStatus);
<a name="l00471"></a>00471 <span class="keywordflow">if</span>(changeResourceStatus.Int() != KErrNone)
<a name="l00472"></a>00472 {
<a name="l00473"></a>00473 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtChangeOfStateFailed,<span class="stringliteral">"\nChange of state failed with return value %d\n"</span>);
<a name="l00474"></a>00474 gConsole->Printf(KTxtChangeOfStateFailed,changeResourceStatus.Int());
<a name="l00475"></a>00475 }
<a name="l00476"></a>00476 <span class="keywordflow">else</span>
<a name="l00477"></a>00477 {
<a name="l00478"></a>00478 gConsole->Printf(KTxtStateChange,newLevel);
<a name="l00479"></a>00479 }
<a name="l00480"></a>00480 <span class="keywordflow">return</span> changeResourceStatus.Int();
<a name="l00481"></a>00481 }
<a name="l00482"></a>00482
<a name="l00486"></a>00486 <span class="keywordtype">void</span> RequestNotification()
<a name="l00487"></a>00487 {
<a name="l00488"></a>00488 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOption,<span class="stringliteral">"\nRequest resource manager to notify the client about changes to the state of a resource... \n"</span>);
<a name="l00489"></a>00489 gConsole->Printf(KTxtOption);
<a name="l00490"></a>00490
<a name="l00491"></a>00491 <span class="comment">//Verify whether ChangeResourceState() is supported. If not, then notification cannot be issued</span>
<a name="l00492"></a>00492 TInt ret = ChangeStateOfResource();
<a name="l00493"></a>00493 <span class="keywordflow">if</span>(ret == KErrNone)
<a name="l00494"></a>00494 {
<a name="l00495"></a>00495 TRequestStatus notificationStatus;
<a name="l00496"></a>00496 <span class="comment">//Requests notification for any change in the resource state</span>
<a name="l00497"></a>00497 gChannel.RequestNotification(notificationStatus, gResourceId);
<a name="l00498"></a>00498 TInt newLevel = gReadValue + 2;
<a name="l00499"></a>00499
<a name="l00500"></a>00500 <span class="comment">//Change the resource state.</span>
<a name="l00501"></a>00501 TRequestStatus changeResourceStatus;
<a name="l00502"></a>00502 gChannel.ChangeResourceState(changeResourceStatus,gResourceId,newLevel);
<a name="l00503"></a>00503 User::WaitForRequest(changeResourceStatus);
<a name="l00504"></a>00504 gConsole->Printf(KTxtStateChange,newLevel);
<a name="l00505"></a>00505 User::WaitForRequest(notificationStatus);
<a name="l00506"></a>00506 <span class="keywordflow">if</span>(notificationStatus.Int() != KErrNone)
<a name="l00507"></a>00507 {
<a name="l00508"></a>00508 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtNotificationFailed,<span class="stringliteral">"\nRequest Notification for any change in the state of a resource failed with %d"</span>);
<a name="l00509"></a>00509 gConsole->Printf(KTxtNotificationFailed,notificationStatus.Int());
<a name="l00510"></a>00510 }
<a name="l00511"></a>00511 <span class="keywordflow">else</span>
<a name="l00512"></a>00512 {
<a name="l00513"></a>00513
<a name="l00514"></a>00514 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtNotificationSuccess,<span class="stringliteral">"\nRequest Notification for any change in the state of a resource is successful"</span>);
<a name="l00515"></a>00515 gConsole->Printf(KTxtNotificationSuccess);
<a name="l00516"></a>00516 }
<a name="l00517"></a>00517 }
<a name="l00518"></a>00518 <span class="keywordflow">else</span>
<a name="l00519"></a>00519 {
<a name="l00520"></a>00520 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtNotificationNotSupported,<span class="stringliteral">"User notification for this resource is not supported"</span>);
<a name="l00521"></a>00521 gConsole->Printf(KTxtNotificationNotSupported);
<a name="l00522"></a>00522 }
<a name="l00523"></a>00523 }
<a name="l00524"></a>00524
<a name="l00525"></a>00525 <span class="keywordtype">void</span> GetPowerResourceInfoL()
<a name="l00526"></a>00526 {
<a name="l00527"></a>00527 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintSubMenu,<span class="stringliteral">"GetPowerResourceInfo was chosen\n"</span>);
<a name="l00528"></a>00528 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintSubMenu1,<span class="stringliteral">" \nDemonstrate the Get Power Resource APIs\n \</span>
<a name="l00529"></a>00529 <span class="stringliteral"> *****************************************************\n \</span>
<a name="l00530"></a>00530 <span class="stringliteral"> Option 1:GetNoOfResources\n \</span>
<a name="l00531"></a>00531 <span class="stringliteral"> Option 2:GetResourceInfo\n \</span>
<a name="l00532"></a>00532 <span class="stringliteral"> Option 3:GetAllResourcesInfo\n \</span>
<a name="l00533"></a>00533 <span class="stringliteral"> Option 4:GetResourceState\n "</span>);
<a name="l00534"></a>00534 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintSubMenu2, <span class="stringliteral">"\t \tOption 5:GetNumClientsUsingResource \n \</span>
<a name="l00535"></a>00535 <span class="stringliteral"> Option 6:GetNumResourcesInUseByClient\n \</span>
<a name="l00536"></a>00536 <span class="stringliteral"> Option 7:GetInfoOnResourcesInUseByClient\n \</span>
<a name="l00537"></a>00537 <span class="stringliteral"> Option 8:GetInfoOnClientsUsingResource\n \</span>
<a name="l00538"></a>00538 <span class="stringliteral"> Option 9:GetNamesOfAllClients\n \</span>
<a name="l00539"></a>00539 <span class="stringliteral"> ******************************************************\n "</span> );
<a name="l00540"></a>00540 gConsole->ClearScreen();
<a name="l00541"></a>00541 gConsole->Printf(KPrintSubMenu);
<a name="l00542"></a>00542 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtPressMainESC,<span class="stringliteral">" \nPress 'ESC' key to go back to the Main Menu\n"</span>);
<a name="l00543"></a>00543 gConsole->Printf(KTxtPressMainESC);
<a name="l00544"></a>00544 gConsole->Printf(KPrintSubMenu1);
<a name="l00545"></a>00545 gConsole->Printf(KPrintSubMenu2);
<a name="l00546"></a>00546 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KChooseSubMenuOption,<span class="stringliteral">"\nSelect an option 1 - 9 : "</span>);
<a name="l00547"></a>00547 gConsole->Printf(KChooseSubMenuOption);
<a name="l00548"></a>00548 TChar tchar = gConsole->Getch();
<a name="l00549"></a>00549 <span class="keywordflow">while</span> (tchar != EKeyEscape)
<a name="l00550"></a>00550 {
<a name="l00551"></a>00551 <span class="keywordflow">switch</span>(tchar)
<a name="l00552"></a>00552 {
<a name="l00553"></a>00553 <span class="keywordflow">case</span> <span class="charliteral">'1'</span>:
<a name="l00554"></a>00554 {
<a name="l00555"></a>00555 GetNoOfResources();
<a name="l00556"></a>00556 <span class="keywordflow">break</span>;
<a name="l00557"></a>00557 }
<a name="l00558"></a>00558 <span class="keywordflow">case</span> <span class="charliteral">'2'</span>:
<a name="l00559"></a>00559 {
<a name="l00560"></a>00560 GetResourceInfo();
<a name="l00561"></a>00561 <span class="keywordflow">break</span>;
<a name="l00562"></a>00562 }
<a name="l00563"></a>00563 <span class="keywordflow">case</span> <span class="charliteral">'3'</span>:
<a name="l00564"></a>00564 {
<a name="l00565"></a>00565 GetAllResourcesInfoL();
<a name="l00566"></a>00566 <span class="keywordflow">break</span>;
<a name="l00567"></a>00567 }
<a name="l00568"></a>00568 <span class="keywordflow">case</span> <span class="charliteral">'4'</span>:
<a name="l00569"></a>00569 {
<a name="l00570"></a>00570 GetResourceState();
<a name="l00571"></a>00571 <span class="keywordflow">break</span>;
<a name="l00572"></a>00572 }
<a name="l00573"></a>00573 <span class="keywordflow">case</span> <span class="charliteral">'5'</span>:
<a name="l00574"></a>00574 {
<a name="l00575"></a>00575 GetNumClientsUsingResource();
<a name="l00576"></a>00576 <span class="keywordflow">break</span>;
<a name="l00577"></a>00577 }
<a name="l00578"></a>00578 <span class="keywordflow">case</span> <span class="charliteral">'6'</span>:
<a name="l00579"></a>00579 {
<a name="l00580"></a>00580 GetNumResourcesInUseByClient();
<a name="l00581"></a>00581 <span class="keywordflow">break</span>;
<a name="l00582"></a>00582 }
<a name="l00583"></a>00583 <span class="keywordflow">case</span> <span class="charliteral">'7'</span>:
<a name="l00584"></a>00584 {
<a name="l00585"></a>00585 GetInfoOnResourcesInUseByClientL();
<a name="l00586"></a>00586 <span class="keywordflow">break</span>;
<a name="l00587"></a>00587 }
<a name="l00588"></a>00588 <span class="keywordflow">case</span> <span class="charliteral">'8'</span>:
<a name="l00589"></a>00589 {
<a name="l00590"></a>00590 GetInfoOnClientsUsingResourceL();
<a name="l00591"></a>00591 <span class="keywordflow">break</span>;
<a name="l00592"></a>00592 }
<a name="l00593"></a>00593 <span class="keywordflow">case</span> <span class="charliteral">'9'</span>:
<a name="l00594"></a>00594 {
<a name="l00595"></a>00595 GetNamesOfAllClientsL();
<a name="l00596"></a>00596 <span class="keywordflow">break</span>;
<a name="l00597"></a>00597 }
<a name="l00598"></a>00598 <span class="keywordflow">default</span>:
<a name="l00599"></a>00599 {
<a name="l00600"></a>00600 <span class="keywordflow">if</span>(tchar == EKeyEscape)
<a name="l00601"></a>00601 {
<a name="l00602"></a>00602 tchar = <span class="charliteral">'a'</span>; <span class="comment">//Any value can be assigned, so that it goes back to the main menu</span>
<a name="l00603"></a>00603 }
<a name="l00604"></a>00604 <span class="keywordflow">else</span>
<a name="l00605"></a>00605 {
<a name="l00606"></a>00606 gConsole->Printf(KTxtOptionNotSupported);
<a name="l00607"></a>00607 }
<a name="l00608"></a>00608 <span class="keywordflow">break</span>;
<a name="l00609"></a>00609 }
<a name="l00610"></a>00610 }
<a name="l00611"></a>00611 gConsole->Printf(KTxtPressAnyKey);
<a name="l00612"></a>00612 tchar = gConsole->Getch();
<a name="l00613"></a>00613 gConsole->Printf(KTxtPressMainESC);
<a name="l00614"></a>00614 gConsole->Printf(KPrintSubMenu1);
<a name="l00615"></a>00615 gConsole->Printf(KPrintSubMenu2);
<a name="l00616"></a>00616 gConsole->Printf(KChooseSubMenuOption);
<a name="l00617"></a>00617 tchar = gConsole->Getch();
<a name="l00618"></a>00618 }
<a name="l00619"></a>00619 }
<a name="l00620"></a>00620
<a name="l00621"></a>00621 <span class="keywordtype">void</span> DoStartL()
<a name="l00622"></a>00622 {
<a name="l00623"></a>00623 TInt err= gChannel.Open(gName); <span class="comment">// 'gName' contains the name of client</span>
<a name="l00624"></a>00624 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintEnterPRMExample,<span class="stringliteral">"Power Resource Manager example\n"</span>);
<a name="l00625"></a>00625 gConsole->Printf(KPrintEnterPRMExample);
<a name="l00626"></a>00626 <span class="keywordflow">if</span> (err!=KErrNone)
<a name="l00627"></a>00627 {
<a name="l00628"></a>00628 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtCommonFailure,<span class="stringliteral">"\n Note: The application cannot demonstrate the features without a defined PSL \</span>
<a name="l00629"></a>00629 <span class="stringliteral"> (Platform Specific Layer) and the necessary ldd and pdd. \n"</span>);
<a name="l00630"></a>00630 gConsole->Printf(KTxtCommonFailure);
<a name="l00631"></a>00631 gConsole->Printf(KTxtFailed, err);
<a name="l00632"></a>00632 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtPressAnyKeyToCloseApp,<span class="stringliteral">"Press any key to close the application "</span>);
<a name="l00633"></a>00633 gConsole->Printf(KTxtPressAnyKeyToCloseApp);
<a name="l00634"></a>00634 gConsole->Getch();
<a name="l00635"></a>00635 }
<a name="l00636"></a>00636 <span class="keywordflow">else</span>
<a name="l00637"></a>00637 {
<a name="l00638"></a>00638 <span class="keyword">const</span> TUint8 KNoOfGetStateRequests = 5; <span class="comment">//The maximum number of get state asynchronous requests</span>
<a name="l00639"></a>00639 <span class="keyword">const</span> TUint8 KNoOfSetStateRequests = 4; <span class="comment">//The maximum number of set state asynchronous requests</span>
<a name="l00640"></a>00640 <span class="keyword">const</span> TUint8 KNoOfNotifyRequests = 7; <span class="comment">//The maximum number of notification requests</span>
<a name="l00649"></a>00649 <span class="comment"></span> err=gChannel.Initialise(KNoOfGetStateRequests,KNoOfSetStateRequests,KNoOfNotifyRequests);
<a name="l00650"></a>00650 <span class="keywordflow">if</span> (err!=KErrNone)
<a name="l00651"></a>00651 {
<a name="l00652"></a>00652 gConsole->Printf(KTxtFailed, err);
<a name="l00653"></a>00653 }
<a name="l00654"></a>00654 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtPressAnyKey,<span class="stringliteral">"Press any key to continue"</span>);
<a name="l00655"></a>00655 gConsole->Printf(KTxtPressAnyKey);
<a name="l00656"></a>00656 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtPressESC,<span class="stringliteral">" \nPress the 'ESC' key to exit\n"</span>);
<a name="l00657"></a>00657 gConsole->Printf(KTxtPressESC);
<a name="l00658"></a>00658 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintMainMenu,<span class="stringliteral">"\nOptions for various Power Resource Manager Features \n \</span>
<a name="l00659"></a>00659 <span class="stringliteral"> **************************************\n \</span>
<a name="l00660"></a>00660 <span class="stringliteral"> 1:GetPowerResourceInfo \n \</span>
<a name="l00661"></a>00661 <span class="stringliteral"> 2:ChangeStateOfResource \n \</span>
<a name="l00662"></a>00662 <span class="stringliteral"> 3:RequestNotification \n \</span>
<a name="l00663"></a>00663 <span class="stringliteral"> **************************************\n \n"</span>);
<a name="l00664"></a>00664 TChar tchar = gConsole->Getch();
<a name="l00665"></a>00665 <span class="comment">//make a choice</span>
<a name="l00666"></a>00666 <span class="keywordflow">while</span> (tchar != EKeyEscape)
<a name="l00667"></a>00667 {
<a name="l00668"></a>00668 gConsole->Printf(KPrintMainMenu);
<a name="l00669"></a>00669 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KChooseMainMenuOption,<span class="stringliteral">"Select option 1 - 3 : "</span>);
<a name="l00670"></a>00670 gConsole->Printf(KChooseMainMenuOption);
<a name="l00671"></a>00671 tchar = gConsole->Getch();
<a name="l00672"></a>00672 <span class="keywordflow">switch</span>(tchar)
<a name="l00673"></a>00673 {
<a name="l00674"></a>00674 <span class="keywordflow">case</span> <span class="charliteral">'1'</span>:
<a name="l00675"></a>00675 {
<a name="l00676"></a>00676 GetPowerResourceInfoL();
<a name="l00677"></a>00677 <span class="keywordflow">break</span>;
<a name="l00678"></a>00678 }
<a name="l00679"></a>00679 <span class="keywordflow">case</span> <span class="charliteral">'2'</span>:
<a name="l00680"></a>00680 {
<a name="l00681"></a>00681 ChangeStateOfResource();
<a name="l00682"></a>00682 <span class="keywordflow">break</span>;
<a name="l00683"></a>00683 }
<a name="l00684"></a>00684 <span class="keywordflow">case</span> <span class="charliteral">'3'</span>:
<a name="l00685"></a>00685 {
<a name="l00686"></a>00686 RequestNotification();
<a name="l00687"></a>00687 <span class="keywordflow">break</span>;
<a name="l00688"></a>00688 }
<a name="l00689"></a>00689 <span class="keywordflow">default</span>:
<a name="l00690"></a>00690 {
<a name="l00691"></a>00691 <span class="keywordflow">if</span>(tchar == EKeyEscape)
<a name="l00692"></a>00692 {
<a name="l00693"></a>00693 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintExitMenu,<span class="stringliteral">"\nExit the Menu\n"</span>);
<a name="l00694"></a>00694 gConsole->Printf(KPrintExitMenu);
<a name="l00695"></a>00695 }
<a name="l00696"></a>00696 <span class="keywordflow">else</span>
<a name="l00697"></a>00697 {
<a name="l00698"></a>00698 gConsole->Printf(KTxtOptionNotSupported);
<a name="l00699"></a>00699 }
<a name="l00700"></a>00700 <span class="keywordflow">break</span>;
<a name="l00701"></a>00701 }
<a name="l00702"></a>00702 }
<a name="l00703"></a>00703 }
<a name="l00704"></a>00704 gChannel.Close();
<a name="l00705"></a>00705 }
<a name="l00706"></a>00706 }
<a name="l00707"></a>00707 <span class="keywordtype">void</span> callExampleL() <span class="comment">// Initialise and call example code under cleanup stack.</span>
<a name="l00708"></a>00708 {
<a name="l00709"></a>00709 gConsole=Console::NewL(KTxtExampleCode,TSize(KConsFullScreen,KConsFullScreen));
<a name="l00710"></a>00710 CleanupStack::PushL(gConsole);
<a name="l00711"></a>00711 DoStartL(); <span class="comment">// Perform example function.</span>
<a name="l00712"></a>00712 CleanupStack::PopAndDestroy(gConsole); <span class="comment">// delete the gConsole.</span>
<a name="l00713"></a>00713 }
<a name="l00714"></a>00714
<a name="l00715"></a>00715 <span class="keyword">extern</span> TInt E32Main()
<a name="l00716"></a>00716 {
<a name="l00717"></a>00717 __UHEAP_MARK;
<a name="l00718"></a>00718 CTrapCleanup* cleanup=CTrapCleanup::New(); <span class="comment">// Create clean-up stack.</span>
<a name="l00719"></a>00719 <span class="keywordflow">if</span>(cleanup!=NULL)
<a name="l00720"></a>00720 {
<a name="l00721"></a>00721 TRAPD (error,callExampleL());
<a name="l00722"></a>00722 __ASSERT_ALWAYS(!error,User::Panic(KTxtExampleCode,error));
<a name="l00723"></a>00723 }
<a name="l00724"></a>00724 <span class="keyword">delete</span> cleanup; <span class="comment">// Delete clean-up stack.</span>
<a name="l00725"></a>00725 __UHEAP_MARKEND;
<a name="l00726"></a>00726 <span class="keywordflow">return</span> KErrNone;
<a name="l00727"></a>00727 }
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