Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/resourcemanager_8cpp_source.html
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    11 <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>
       
    12 <a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
       
    13 <a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span>
       
    14 <a name="l00004"></a>00004 <span class="comment">// under the terms of &quot;Eclipse Public License v1.0&quot;</span>
       
    15 <a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span>
       
    16 <a name="l00006"></a>00006 <span class="comment">// at the URL &quot;http://www.eclipse.org/legal/epl-v10.html&quot;.</span>
       
    17 <a name="l00007"></a>00007 <span class="comment">//</span>
       
    18 <a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span>
       
    19 <a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span>
       
    20 <a name="l00010"></a>00010 <span class="comment">//</span>
       
    21 <a name="l00011"></a>00011 <span class="comment">// Contributors:</span>
       
    22 <a name="l00012"></a>00012 <span class="comment">//</span>
       
    23 <a name="l00013"></a>00013 <span class="comment">// Description:</span>
       
    24 <a name="l00014"></a>00014 <span class="comment">// Demonstrates the Resource Manager&#39;s user side API, RBusDevResManUs</span>
       
    25 <a name="l00015"></a>00015 
       
    26 <a name="l00016"></a>00016 <span class="preprocessor">#include &lt;e32cons.h&gt;</span>
       
    27 <a name="l00017"></a>00017 <span class="preprocessor">#include &lt;d32resmanus.h&gt;</span>
       
    28 <a name="l00018"></a>00018 
       
    29 <a name="l00019"></a>00019 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtExampleCode,<span class="stringliteral">&quot;PRM Example&quot;</span>);
       
    30 <a name="l00020"></a>00020 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtFailed,<span class="stringliteral">&quot;\nFailed with error : %d \n&quot;</span>);
       
    31 <a name="l00021"></a>00021 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtPressAnyKey,<span class="stringliteral">&quot; \nPress any key to continue\n&quot;</span>);
       
    32 <a name="l00022"></a>00022 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KEnterResourceIdValue,<span class="stringliteral">&quot;\nEnter the resource ID - any number other than zero: &quot;</span>);
       
    33 <a name="l00023"></a>00023 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtStateChange,<span class="stringliteral">&quot;\nState of the resource after the change: %d&quot;</span>);
       
    34 <a name="l00024"></a>00024 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintNoOfClients,<span class="stringliteral">&quot;\nNumber of clients is %d \n&quot;</span>);
       
    35 <a name="l00025"></a>00025 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOptionNotSupported,<span class="stringliteral">&quot;\nThis option is not supported\n&quot;</span>);
       
    36 <a name="l00031"></a>00031 _LIT8(KClient,<span class="stringliteral">&quot;resourcemanager&quot;</span>);
       
    37 <a name="l00032"></a>00032 TClientName gName(KClient);
       
    38 <a name="l00033"></a>00033 
       
    39 <a name="l00034"></a>00034 <span class="comment">//Indicates whether kernel-side (as well as user-side) clients are included in the request.</span>
       
    40 <a name="l00035"></a>00035 <span class="keyword">const</span> TBool gIsKernelClient = EFalse;
       
    41 <a name="l00036"></a>00036 
       
    42 <a name="l00037"></a>00037 <span class="comment">//Holds the resource ID selected by the user</span>
       
    43 <a name="l00038"></a>00038 TUint gResourceId;
       
    44 <a name="l00039"></a>00039 
       
    45 <a name="l00044"></a>00044 RBusDevResManUs gChannel;
       
    46 <a name="l00045"></a>00045 
       
    47 <a name="l00046"></a>00046 CConsoleBase* gConsole;
       
    48 <a name="l00047"></a>00047 
       
    49 <a name="l00048"></a>00048 TUint gNumClients = 0; <span class="comment">//The number of resource manager clients</span>
       
    50 <a name="l00049"></a>00049 TUint gNumResources = 0; <span class="comment">//The number of available resources</span>
       
    51 <a name="l00050"></a>00050 
       
    52 <a name="l00056"></a>00056 TInt gReadValue = 0;
       
    53 <a name="l00057"></a>00057 
       
    54 <a name="l00061"></a>00061 TUint GetUserInput()
       
    55 <a name="l00062"></a>00062         {
       
    56 <a name="l00063"></a>00063         TBufC&lt;50&gt; buf;
       
    57 <a name="l00064"></a>00064         TPtr ptr(buf.Des());
       
    58 <a name="l00065"></a>00065         TKeyCode ch = gConsole-&gt;Getch();
       
    59 <a name="l00066"></a>00066         <span class="keywordflow">while</span>(ch != EKeyEnter)
       
    60 <a name="l00067"></a>00067                 {
       
    61 <a name="l00068"></a>00068                 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KChar, <span class="stringliteral">&quot;%c&quot;</span>);
       
    62 <a name="l00069"></a>00069                 gConsole-&gt;Printf(KChar,ch);
       
    63 <a name="l00070"></a>00070                 <span class="keywordflow">if</span>(ch!= EKeyBackspace)
       
    64 <a name="l00071"></a>00071                         {
       
    65 <a name="l00072"></a>00072                         ptr.Append(ch);
       
    66 <a name="l00073"></a>00073                         }
       
    67 <a name="l00074"></a>00074                 ch=gConsole-&gt;Getch();                           
       
    68 <a name="l00075"></a>00075                 }
       
    69 <a name="l00076"></a>00076         TUint value;
       
    70 <a name="l00077"></a>00077 
       
    71 <a name="l00078"></a>00078         TUint err = TLex(ptr).Val(value, EDecimal);
       
    72 <a name="l00079"></a>00079         
       
    73 <a name="l00080"></a>00080         <span class="keywordflow">if</span>(value == 0)
       
    74 <a name="l00081"></a>00081                 {
       
    75 <a name="l00082"></a>00082                 gConsole-&gt;Printf(KTxtOptionNotSupported);
       
    76 <a name="l00083"></a>00083                 <span class="keywordflow">return</span> (TUint)KErrNotSupported;;
       
    77 <a name="l00084"></a>00084                 }
       
    78 <a name="l00085"></a>00085         <span class="keywordflow">else</span>
       
    79 <a name="l00086"></a>00086                 {
       
    80 <a name="l00087"></a>00087                 <span class="keywordflow">if</span> (err == (TUint)KErrNone)
       
    81 <a name="l00088"></a>00088                         {
       
    82 <a name="l00089"></a>00089                         <span class="keywordflow">return</span> value;
       
    83 <a name="l00090"></a>00090                         }
       
    84 <a name="l00091"></a>00091                 <span class="keywordflow">else</span> 
       
    85 <a name="l00092"></a>00092                         {
       
    86 <a name="l00093"></a>00093                         <span class="keywordflow">return</span> (TUint)KErrNotSupported;; <span class="comment">// Error condition - could not parse input to number.</span>
       
    87 <a name="l00094"></a>00094                         }
       
    88 <a name="l00095"></a>00095                 }
       
    89 <a name="l00096"></a>00096         }
       
    90 <a name="l00097"></a>00097 
       
    91 <a name="l00101"></a>00101 <span class="keywordtype">void</span> GetNoOfResources()
       
    92 <a name="l00102"></a>00102         {
       
    93 <a name="l00103"></a>00103         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOption,<span class="stringliteral">&quot;\nGet the number of resources \n&quot;</span>);
       
    94 <a name="l00104"></a>00104         gConsole-&gt;Printf(KTxtOption);
       
    95 <a name="l00105"></a>00105         TInt err=gChannel.GetNoOfResources(gNumResources);
       
    96 <a name="l00106"></a>00106         <span class="keywordflow">if</span>(err != KErrNone)
       
    97 <a name="l00107"></a>00107                 {
       
    98 <a name="l00108"></a>00108                 gConsole-&gt;Printf(KTxtFailed,err);
       
    99 <a name="l00109"></a>00109                 }
       
   100 <a name="l00110"></a>00110         <span class="keywordflow">else</span>
       
   101 <a name="l00111"></a>00111                 {
       
   102 <a name="l00112"></a>00112                 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintNoOfResources,<span class="stringliteral">&quot;\nNumber of resources = %d \n&quot;</span>);
       
   103 <a name="l00113"></a>00113                 gConsole-&gt;Printf(KPrintNoOfResources,gNumResources);
       
   104 <a name="l00114"></a>00114                 }
       
   105 <a name="l00115"></a>00115         }
       
   106 <a name="l00116"></a>00116 
       
   107 <a name="l00121"></a>00121 <span class="keywordtype">void</span> GetResourceInfo()
       
   108 <a name="l00122"></a>00122         {
       
   109 <a name="l00123"></a>00123         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOption,<span class="stringliteral">&quot;\nGet information about a particular resource...\n&quot;</span>);
       
   110 <a name="l00124"></a>00124         gConsole-&gt;Printf(KTxtOption);
       
   111 <a name="l00125"></a>00125         <span class="comment">//Request the user to select a resource</span>
       
   112 <a name="l00126"></a>00126         gConsole-&gt;Printf(KEnterResourceIdValue);
       
   113 <a name="l00127"></a>00127         gResourceId = GetUserInput(); 
       
   114 <a name="l00128"></a>00128         <span class="keywordflow">if</span>(gResourceId != (TUint)KErrNotSupported)
       
   115 <a name="l00129"></a>00129                 {
       
   116 <a name="l00130"></a>00130                 <span class="comment">/*</span>
       
   117 <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>
       
   118 <a name="l00132"></a>00132 <span class="comment">                it must be converted to a 16 bit buffer. One character is left to hold the &#39;Null&#39; character to mark the end of</span>
       
   119 <a name="l00133"></a>00133 <span class="comment">                the string.</span>
       
   120 <a name="l00134"></a>00134 <span class="comment">                */</span> 
       
   121 <a name="l00135"></a>00135                 TBuf16&lt;MAX_RESOURCE_NAME_LENGTH+1&gt;name; <span class="comment">//maximum resource length defined in d32resmanus.h </span>
       
   122 <a name="l00136"></a>00136                 <span class="comment">// retrieve information about the selected resource</span>
       
   123 <a name="l00137"></a>00137                 TResourceInfoBuf *info = <span class="keyword">new</span> TResourceInfoBuf();
       
   124 <a name="l00138"></a>00138                 TInt err=gChannel.GetResourceInfo(gResourceId,info);
       
   125 <a name="l00139"></a>00139                 <span class="keywordflow">if</span>(err!= KErrNone)
       
   126 <a name="l00140"></a>00140                         {
       
   127 <a name="l00141"></a>00141                         gConsole-&gt;Printf(KTxtFailed,err);
       
   128 <a name="l00142"></a>00142                         }
       
   129 <a name="l00143"></a>00143                 <span class="keywordflow">else</span>
       
   130 <a name="l00144"></a>00144                         {
       
   131 <a name="l00145"></a>00145                         name.Copy((*info)().iName); <span class="comment">//Copy the name of the resource into the Unicode buffer.</span>
       
   132 <a name="l00146"></a>00146                         name.PtrZ(); <span class="comment">//Append a zero terminator to the buffer.</span>
       
   133 <a name="l00147"></a>00147                         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintResourceInfo,<span class="stringliteral">&quot;\nResource id = %d \t Resource name = %S \n&quot;</span>);
       
   134 <a name="l00148"></a>00148                         gConsole-&gt;Printf(KPrintResourceInfo,gResourceId ,&amp;name);
       
   135 <a name="l00149"></a>00149                         }
       
   136 <a name="l00150"></a>00150                 <span class="keyword">delete</span> info;
       
   137 <a name="l00151"></a>00151                 }
       
   138 <a name="l00152"></a>00152         }
       
   139 <a name="l00153"></a>00153         
       
   140 <a name="l00157"></a>00157 <span class="keywordtype">void</span> GetAllResourcesInfoL()
       
   141 <a name="l00158"></a>00158         {
       
   142 <a name="l00159"></a>00159         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOption,<span class="stringliteral">&quot;\nGet information about all the resources...\n&quot;</span>);
       
   143 <a name="l00160"></a>00160         gConsole-&gt;Printf(KTxtOption);
       
   144 <a name="l00161"></a>00161         <span class="comment">//Find the number of resources available</span>
       
   145 <a name="l00162"></a>00162         GetNoOfResources();
       
   146 <a name="l00163"></a>00163         <span class="comment">/*</span>
       
   147 <a name="l00164"></a>00164 <span class="comment">        Construct an array of TResourceInfoBuf objects.</span>
       
   148 <a name="l00165"></a>00165 <span class="comment">        TResourceInfo holds all the information about a resource.</span>
       
   149 <a name="l00166"></a>00166 <span class="comment">        */</span>
       
   150 <a name="l00167"></a>00167         TInt err;
       
   151 <a name="l00168"></a>00168         RSimplePointerArray&lt;TResourceInfoBuf&gt; resPtrs(gNumResources);
       
   152 <a name="l00169"></a>00169         <span class="keywordflow">for</span>(TUint i=0;i&lt;gNumResources;i++)
       
   153 <a name="l00170"></a>00170                 {
       
   154 <a name="l00171"></a>00171                 TResourceInfoBuf* info = <span class="keyword">new</span> TResourceInfoBuf;
       
   155 <a name="l00172"></a>00172                 <span class="keywordflow">if</span>((err=resPtrs.Insert(info, i))!=KErrNone)
       
   156 <a name="l00173"></a>00173                         {
       
   157 <a name="l00174"></a>00174                         gConsole-&gt;Printf(KTxtFailed,err);
       
   158 <a name="l00175"></a>00175                         }
       
   159 <a name="l00176"></a>00176                 }
       
   160 <a name="l00177"></a>00177         <span class="comment">//Retrieve information about all the available resources</span>
       
   161 <a name="l00178"></a>00178         <span class="keywordflow">if</span>((err=gChannel.GetAllResourcesInfo(&amp;resPtrs,gNumResources))!=KErrNone)
       
   162 <a name="l00179"></a>00179                 {
       
   163 <a name="l00180"></a>00180                 gConsole-&gt;Printf(KTxtFailed,err);
       
   164 <a name="l00181"></a>00181                 }
       
   165 <a name="l00182"></a>00182         <span class="comment">/*</span>
       
   166 <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>
       
   167 <a name="l00184"></a>00184 <span class="comment">        it must be converted to a 16 bit buffer. One character is left to hold the &#39;Null&#39; character to mark the end of</span>
       
   168 <a name="l00185"></a>00185 <span class="comment">        the string.</span>
       
   169 <a name="l00186"></a>00186 <span class="comment">        */</span> 
       
   170 <a name="l00187"></a>00187         TBuf16&lt;MAX_RESOURCE_NAME_LENGTH+1&gt;name;
       
   171 <a name="l00188"></a>00188         <span class="keywordflow">for</span>(TUint i=0; i&lt;gNumResources; i++)
       
   172 <a name="l00189"></a>00189                 {
       
   173 <a name="l00190"></a>00190                 TResourceInfoBuf* currentInfo = resPtrs[i];
       
   174 <a name="l00191"></a>00191                 name.Copy((*currentInfo)().iName);<span class="comment">//Copy the name of the resource into the Unicode buffer.</span>
       
   175 <a name="l00192"></a>00192                 name.PtrZ();<span class="comment">//Append a zero terminator to the buffer.</span>
       
   176 <a name="l00193"></a>00193                 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintResourceInfo,<span class="stringliteral">&quot;Resource id = %d, name = %S \n&quot;</span>);
       
   177 <a name="l00194"></a>00194                 gConsole-&gt;Printf(KPrintResourceInfo,(*currentInfo)().iId,&amp;name);
       
   178 <a name="l00195"></a>00195                 <span class="keywordflow">if</span>(i%5 == 0 &amp;&amp; i!= 0) <span class="comment">//Print 5 resources at a time.</span>
       
   179 <a name="l00196"></a>00196                         {
       
   180 <a name="l00197"></a>00197                         gConsole-&gt;Printf(KTxtPressAnyKey);
       
   181 <a name="l00198"></a>00198                         TChar tchar = gConsole-&gt;Getch();
       
   182 <a name="l00199"></a>00199                         }
       
   183 <a name="l00200"></a>00200                 <span class="keyword">delete</span> currentInfo;
       
   184 <a name="l00201"></a>00201                 }
       
   185 <a name="l00202"></a>00202         resPtrs.Close(); <span class="comment">//Close the R class</span>
       
   186 <a name="l00203"></a>00203         }
       
   187 <a name="l00204"></a>00204 
       
   188 <a name="l00208"></a>00208 <span class="keywordtype">void</span> GetResourceState()
       
   189 <a name="l00209"></a>00209         {
       
   190 <a name="l00210"></a>00210         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOption,<span class="stringliteral">&quot;\nGet the state of a particular resource... \n&quot;</span>);
       
   191 <a name="l00211"></a>00211         gConsole-&gt;Printf(KTxtOption);
       
   192 <a name="l00212"></a>00212         <span class="comment">//Enter a resource value.</span>
       
   193 <a name="l00213"></a>00213         gConsole-&gt;Printf(KEnterResourceIdValue);
       
   194 <a name="l00214"></a>00214         gResourceId = GetUserInput(); 
       
   195 <a name="l00215"></a>00215         <span class="keywordflow">if</span>(gResourceId != (TUint)KErrNotSupported)
       
   196 <a name="l00216"></a>00216                 {
       
   197 <a name="l00217"></a>00217                 TRequestStatus getResourceStatus;
       
   198 <a name="l00231"></a>00231                 TBool isCached = EFalse;
       
   199 <a name="l00232"></a>00232                 TInt levelOwnerId = 0;
       
   200 <a name="l00233"></a>00233                 gChannel.GetResourceState(getResourceStatus,gResourceId,isCached,&amp;gReadValue,&amp;levelOwnerId);
       
   201 <a name="l00234"></a>00234                 User::WaitForRequest(getResourceStatus);
       
   202 <a name="l00235"></a>00235                 <span class="keywordflow">if</span>(getResourceStatus.Int() != KErrNone)
       
   203 <a name="l00236"></a>00236                         {
       
   204 <a name="l00237"></a>00237                         gConsole-&gt;Printf(KTxtFailed,getResourceStatus.Int());
       
   205 <a name="l00238"></a>00238                         }
       
   206 <a name="l00239"></a>00239                 <span class="keywordflow">else</span>
       
   207 <a name="l00240"></a>00240                         {
       
   208 <a name="l00241"></a>00241                         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintResourceState,<span class="stringliteral">&quot;\nResource state is %d\n&quot;</span>);
       
   209 <a name="l00242"></a>00242                         gConsole-&gt;Printf(KPrintResourceState,gReadValue);
       
   210 <a name="l00243"></a>00243                         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtLevelOwnerId,<span class="stringliteral">&quot;\nId of the client which owns this resource is %d&quot;</span>);
       
   211 <a name="l00244"></a>00244                         gConsole-&gt;Printf(KTxtLevelOwnerId,levelOwnerId);
       
   212 <a name="l00245"></a>00245                         }
       
   213 <a name="l00246"></a>00246                 }
       
   214 <a name="l00247"></a>00247         }
       
   215 <a name="l00248"></a>00248 
       
   216 <a name="l00252"></a>00252 <span class="keywordtype">void</span> GetNumClientsUsingResource()
       
   217 <a name="l00253"></a>00253         {
       
   218 <a name="l00254"></a>00254         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOption,<span class="stringliteral">&quot;\nGet the number of clients using a particular resource... \n&quot;</span>);
       
   219 <a name="l00255"></a>00255         gConsole-&gt;Printf(KTxtOption);
       
   220 <a name="l00256"></a>00256         GetNoOfResources(); <span class="comment">//Get the total number of resources available</span>
       
   221 <a name="l00257"></a>00257         <span class="comment">//Ask the user to select a resource.</span>
       
   222 <a name="l00258"></a>00258         gConsole-&gt;Printf(KEnterResourceIdValue);
       
   223 <a name="l00259"></a>00259         gResourceId = GetUserInput(); 
       
   224 <a name="l00260"></a>00260         <span class="keywordflow">if</span>(gResourceId != (TUint)KErrNotSupported)
       
   225 <a name="l00261"></a>00261                 {
       
   226 <a name="l00262"></a>00262                 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintNoOfClientsUsingResource,<span class="stringliteral">&quot;\nNumber of  clients using resource : %d\n&quot;</span>);
       
   227 <a name="l00263"></a>00263                 gNumClients = 0; <span class="comment">//This should be initialised to &#39;0&#39; otherwise the API returns KErrArgument</span>
       
   228 <a name="l00264"></a>00264                 TInt err=gChannel.GetNumClientsUsingResource(gResourceId, gNumClients, gIsKernelClient);
       
   229 <a name="l00265"></a>00265                 <span class="keywordflow">if</span>((err == KErrArgument &amp;&amp; gNumClients == 0) || err == KErrNone)
       
   230 <a name="l00266"></a>00266                         {
       
   231 <a name="l00267"></a>00267                         gConsole-&gt;Printf(KPrintNoOfClientsUsingResource,gNumClients);
       
   232 <a name="l00268"></a>00268                         }
       
   233 <a name="l00269"></a>00269                 <span class="keywordflow">else</span>
       
   234 <a name="l00270"></a>00270                         {
       
   235 <a name="l00271"></a>00271                         gConsole-&gt;Printf(KTxtFailed,err);
       
   236 <a name="l00272"></a>00272                         }
       
   237 <a name="l00273"></a>00273                 }
       
   238 <a name="l00274"></a>00274         }
       
   239 <a name="l00275"></a>00275 
       
   240 <a name="l00279"></a>00279 <span class="keywordtype">void</span> GetNumResourcesInUseByClient()
       
   241 <a name="l00280"></a>00280         {
       
   242 <a name="l00281"></a>00281         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOption,<span class="stringliteral">&quot;\nGet the number of resources in use by a particular client \n&quot;</span>);
       
   243 <a name="l00282"></a>00282         gConsole-&gt;Printf(KTxtOption);
       
   244 <a name="l00283"></a>00283         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtClientName,<span class="stringliteral">&quot;Name of the client used in this option is resourcemanager &quot;</span>);
       
   245 <a name="l00284"></a>00284         gConsole-&gt;Printf(KTxtClientName);
       
   246 <a name="l00285"></a>00285         <span class="comment">//Gets the number of resources used by the client, by passing in the client&#39;s name.</span>
       
   247 <a name="l00286"></a>00286         TInt err=gChannel.GetNumResourcesInUseByClient(gName, gNumResources, gIsKernelClient);
       
   248 <a name="l00287"></a>00287         <span class="keywordflow">if</span>(err!=KErrNone)
       
   249 <a name="l00288"></a>00288                 {
       
   250 <a name="l00289"></a>00289                 gConsole-&gt;Printf(KTxtFailed,err);
       
   251 <a name="l00290"></a>00290                 }
       
   252 <a name="l00291"></a>00291         <span class="keywordflow">else</span>
       
   253 <a name="l00292"></a>00292                 {
       
   254 <a name="l00293"></a>00293                 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintNumResourcesInUseByClient,<span class="stringliteral">&quot;\nNumber of resources in use by client :  %d\n&quot;</span>);
       
   255 <a name="l00294"></a>00294                 gConsole-&gt;Printf(KPrintNumResourcesInUseByClient,gNumResources);
       
   256 <a name="l00295"></a>00295                 }
       
   257 <a name="l00296"></a>00296         }
       
   258 <a name="l00297"></a>00297         
       
   259 <a name="l00301"></a>00301 <span class="keywordtype">void</span> GetInfoOnResourcesInUseByClientL()
       
   260 <a name="l00302"></a>00302         {
       
   261 <a name="l00303"></a>00303         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOption,<span class="stringliteral">&quot;\nGet information about all the resources in use by client... \n&quot;</span>);
       
   262 <a name="l00304"></a>00304         gConsole-&gt;Printf(KTxtOption);
       
   263 <a name="l00305"></a>00305 
       
   264 <a name="l00306"></a>00306         <span class="comment">//Get number of resources in use by the client.</span>
       
   265 <a name="l00307"></a>00307         GetNumResourcesInUseByClient();
       
   266 <a name="l00308"></a>00308 
       
   267 <a name="l00309"></a>00309         <span class="keywordflow">if</span>(gNumResources!= 0)
       
   268 <a name="l00310"></a>00310                 {
       
   269 <a name="l00311"></a>00311                 <span class="comment">/*</span>
       
   270 <a name="l00312"></a>00312 <span class="comment">                Construct an array of TResourceInfoBuf objects.</span>
       
   271 <a name="l00313"></a>00313 <span class="comment">                TResourceInfo holds all the information about a resource.</span>
       
   272 <a name="l00314"></a>00314 <span class="comment">                */</span>
       
   273 <a name="l00315"></a>00315                 RSimplePointerArray&lt;TResourceInfoBuf&gt; resPtrs(gNumResources);
       
   274 <a name="l00316"></a>00316 
       
   275 <a name="l00317"></a>00317                 <span class="keywordflow">for</span>(TUint i=0;i&lt;gNumResources;i++)
       
   276 <a name="l00318"></a>00318                         {
       
   277 <a name="l00319"></a>00319                         TResourceInfoBuf *info = <span class="keyword">new</span> TResourceInfoBuf();
       
   278 <a name="l00320"></a>00320                         TInt err=resPtrs.Insert(info, i);
       
   279 <a name="l00321"></a>00321                         <span class="keywordflow">if</span>(err!= KErrNone)
       
   280 <a name="l00322"></a>00322                                 {
       
   281 <a name="l00323"></a>00323                                 gConsole-&gt;Printf(KTxtFailed,err);
       
   282 <a name="l00324"></a>00324                                 }
       
   283 <a name="l00325"></a>00325                         }
       
   284 <a name="l00326"></a>00326                 <span class="comment">//Gets information about all the resources</span>
       
   285 <a name="l00327"></a>00327                 TInt err=gChannel.GetInfoOnResourcesInUseByClient(gName, gNumResources, &amp;resPtrs);
       
   286 <a name="l00328"></a>00328                 <span class="keywordflow">if</span>(err!= KErrNone)
       
   287 <a name="l00329"></a>00329                         {
       
   288 <a name="l00330"></a>00330                         gConsole-&gt;Printf(KTxtFailed,err);
       
   289 <a name="l00331"></a>00331                         }
       
   290 <a name="l00332"></a>00332                 <span class="keywordflow">else</span>
       
   291 <a name="l00333"></a>00333                         {
       
   292 <a name="l00334"></a>00334                         <span class="comment">/*</span>
       
   293 <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>
       
   294 <a name="l00336"></a>00336 <span class="comment">                        it must be converted to a 16 bit buffer. One character is left to hold the &#39;Null&#39; character to mark the end of</span>
       
   295 <a name="l00337"></a>00337 <span class="comment">                        the string.</span>
       
   296 <a name="l00338"></a>00338 <span class="comment">                        */</span> 
       
   297 <a name="l00339"></a>00339                         TBuf16&lt;MAX_RESOURCE_NAME_LENGTH+1&gt;name;
       
   298 <a name="l00340"></a>00340                         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintResourceInfo,<span class="stringliteral">&quot;\nResource %d name = %S \n&quot;</span>);
       
   299 <a name="l00341"></a>00341                         <span class="keywordflow">for</span>(TUint i=0; i&lt;gNumResources; i++)
       
   300 <a name="l00342"></a>00342                                 {
       
   301 <a name="l00343"></a>00343                                 TResourceInfoBuf* currRes = resPtrs[i];
       
   302 <a name="l00344"></a>00344                                 name.Copy((*currRes)().iName);<span class="comment">//Copy the name of the resource into the Unicode buffer.</span>
       
   303 <a name="l00345"></a>00345                                 name.PtrZ();<span class="comment">//Append a zero terminator to the buffer.</span>
       
   304 <a name="l00346"></a>00346                                 gConsole-&gt;Printf(KPrintResourceInfo,i,&amp;name);
       
   305 <a name="l00347"></a>00347                                 <span class="keywordflow">if</span>(i%5 == 0) <span class="comment">//Print 5 resources at a time.</span>
       
   306 <a name="l00348"></a>00348                                         {
       
   307 <a name="l00349"></a>00349                                         gConsole-&gt;Printf(KTxtPressAnyKey);
       
   308 <a name="l00350"></a>00350                                         TChar tchar = gConsole-&gt;Getch();
       
   309 <a name="l00351"></a>00351                                         }
       
   310 <a name="l00352"></a>00352                                 }
       
   311 <a name="l00353"></a>00353                         }
       
   312 <a name="l00354"></a>00354                 resPtrs.Close();
       
   313 <a name="l00355"></a>00355                 }
       
   314 <a name="l00356"></a>00356         }
       
   315 <a name="l00357"></a>00357 
       
   316 <a name="l00361"></a>00361 <span class="keywordtype">void</span> GetInfoOnClientsUsingResourceL()
       
   317 <a name="l00362"></a>00362         {
       
   318 <a name="l00363"></a>00363         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOption,<span class="stringliteral">&quot;\nGet information about all clients using a particular resource... \n&quot;</span>);
       
   319 <a name="l00364"></a>00364         gConsole-&gt;Printf(KTxtOption);
       
   320 <a name="l00365"></a>00365 
       
   321 <a name="l00366"></a>00366         <span class="comment">//Get the number of clients using a particular resource</span>
       
   322 <a name="l00367"></a>00367         GetNumClientsUsingResource();
       
   323 <a name="l00368"></a>00368 
       
   324 <a name="l00369"></a>00369         <span class="keywordflow">if</span>(gNumClients!= 0)
       
   325 <a name="l00370"></a>00370                 {
       
   326 <a name="l00371"></a>00371                 <span class="comment">//Construct an array of TClientInfoBuf objects. TClientInfo consists of the client name and ID.</span>
       
   327 <a name="l00372"></a>00372                 RSimplePointerArray&lt;TClientInfoBuf&gt; resPtrs(gNumClients);
       
   328 <a name="l00373"></a>00373                 <span class="keywordflow">for</span>(TUint i=0;i&lt;gNumClients;i++)
       
   329 <a name="l00374"></a>00374                         {
       
   330 <a name="l00375"></a>00375                         TClientInfoBuf *info = <span class="keyword">new</span> TClientInfoBuf();
       
   331 <a name="l00376"></a>00376                         TInt err=resPtrs.Insert(info, i);
       
   332 <a name="l00377"></a>00377                         <span class="keywordflow">if</span>(err!= KErrNone)
       
   333 <a name="l00378"></a>00378                                 {
       
   334 <a name="l00379"></a>00379                                 gConsole-&gt;Printf(KTxtFailed,err);
       
   335 <a name="l00380"></a>00380                                 }
       
   336 <a name="l00381"></a>00381                         }
       
   337 <a name="l00382"></a>00382                 TInt err=gChannel.GetInfoOnClientsUsingResource(gResourceId, gNumClients, &amp;resPtrs, gIsKernelClient);
       
   338 <a name="l00383"></a>00383                 <span class="keywordflow">if</span>(err!= KErrNone)
       
   339 <a name="l00384"></a>00384                         {
       
   340 <a name="l00385"></a>00385                         gConsole-&gt;Printf(KTxtFailed,err);
       
   341 <a name="l00386"></a>00386                         }
       
   342 <a name="l00387"></a>00387                 <span class="keywordflow">else</span>
       
   343 <a name="l00388"></a>00388                         {
       
   344 <a name="l00389"></a>00389                         <span class="comment">//Print information about all the clients using this resource.</span>
       
   345 <a name="l00390"></a>00390                         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintClientName,<span class="stringliteral">&quot;Client name %d = %S, ID=%d\n&quot;</span>);
       
   346 <a name="l00391"></a>00391                         <span class="keywordflow">for</span>(TUint i=0;i&lt;gNumClients;i++)
       
   347 <a name="l00392"></a>00392                                 {
       
   348 <a name="l00393"></a>00393                                 TClientInfoBuf* currInfoBuf = resPtrs[i];
       
   349 <a name="l00394"></a>00394                                 TClientInfo currInfo=(*currInfoBuf)();
       
   350 <a name="l00395"></a>00395                                 TBuf16&lt;sizeof(TClientName)&gt; name;
       
   351 <a name="l00396"></a>00396                                 name.Copy(currInfo.iName);
       
   352 <a name="l00397"></a>00397                                 gConsole-&gt;Printf(KPrintClientName,i,&amp;name,currInfo.iId);
       
   353 <a name="l00398"></a>00398                                 }
       
   354 <a name="l00399"></a>00399                         }
       
   355 <a name="l00400"></a>00400                 resPtrs.Close();
       
   356 <a name="l00401"></a>00401                 }
       
   357 <a name="l00402"></a>00402         }
       
   358 <a name="l00403"></a>00403 
       
   359 <a name="l00407"></a>00407 <span class="keywordtype">void</span> GetNamesOfAllClientsL()
       
   360 <a name="l00408"></a>00408         {
       
   361 <a name="l00409"></a>00409         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOption,<span class="stringliteral">&quot;\nGet the names of all clients... \n&quot;</span>);
       
   362 <a name="l00410"></a>00410 
       
   363 <a name="l00411"></a>00411         gConsole-&gt;Printf(KTxtOption);
       
   364 <a name="l00412"></a>00412 
       
   365 <a name="l00413"></a>00413         <span class="comment">//Gets the number of clients</span>
       
   366 <a name="l00414"></a>00414         TInt err=gChannel.GetNoOfClients(gNumClients, gIsKernelClient);
       
   367 <a name="l00415"></a>00415 
       
   368 <a name="l00416"></a>00416         <span class="comment">//Creates an array of client names</span>
       
   369 <a name="l00417"></a>00417         RSimplePointerArray&lt;TClientName&gt; resPtrs(gNumClients);
       
   370 <a name="l00418"></a>00418         <span class="keywordflow">if</span>(err != KErrNone)
       
   371 <a name="l00419"></a>00419                 {
       
   372 <a name="l00420"></a>00420                 gConsole-&gt;Printf(KTxtFailed,err);
       
   373 <a name="l00421"></a>00421                 }
       
   374 <a name="l00422"></a>00422         <span class="keywordflow">else</span>
       
   375 <a name="l00423"></a>00423                 {
       
   376 <a name="l00424"></a>00424                 gConsole-&gt;Printf(KPrintNoOfClients,gNumClients);
       
   377 <a name="l00425"></a>00425                 <span class="keywordflow">for</span>(TUint i=0;i&lt;gNumClients;i++)
       
   378 <a name="l00426"></a>00426                         {
       
   379 <a name="l00427"></a>00427                         TClientName *info = <span class="keyword">new</span> TClientName();
       
   380 <a name="l00428"></a>00428                         <span class="keywordflow">if</span>((err=resPtrs.Insert(info, i))!= KErrNone)
       
   381 <a name="l00429"></a>00429                                 {
       
   382 <a name="l00430"></a>00430                                 gConsole-&gt;Printf(KTxtFailed,err);
       
   383 <a name="l00431"></a>00431                                 }
       
   384 <a name="l00432"></a>00432                         }
       
   385 <a name="l00433"></a>00433                 }
       
   386 <a name="l00434"></a>00434 
       
   387 <a name="l00435"></a>00435         <span class="comment">// Gets the names of all clients</span>
       
   388 <a name="l00436"></a>00436         <span class="keywordflow">if</span>((err=gChannel.GetNamesAllClients(&amp;resPtrs, gNumClients, gIsKernelClient)) != KErrNone)
       
   389 <a name="l00437"></a>00437                 {
       
   390 <a name="l00438"></a>00438                 gConsole-&gt;Printf(KTxtFailed,err);
       
   391 <a name="l00439"></a>00439                 }
       
   392 <a name="l00440"></a>00440         <span class="keywordflow">else</span>
       
   393 <a name="l00441"></a>00441                 {
       
   394 <a name="l00442"></a>00442                 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintNamesOfAllClients,<span class="stringliteral">&quot;\nNames of all clients\n&quot;</span>);
       
   395 <a name="l00443"></a>00443                 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintClientName,<span class="stringliteral">&quot;Client name : %S\n&quot;</span>);
       
   396 <a name="l00444"></a>00444                 gConsole-&gt;Printf(KPrintNamesOfAllClients);
       
   397 <a name="l00445"></a>00445                 <span class="keywordflow">for</span>(TUint i=0;i&lt;gNumClients;i++)
       
   398 <a name="l00446"></a>00446                         {
       
   399 <a name="l00447"></a>00447                         TClientName *currName = resPtrs[i];
       
   400 <a name="l00448"></a>00448                         TBuf16&lt;sizeof(TClientName)&gt; name;
       
   401 <a name="l00449"></a>00449                         name.Copy(*currName);
       
   402 <a name="l00450"></a>00450                         gConsole-&gt;Printf(KPrintClientName,&amp;name);
       
   403 <a name="l00451"></a>00451                         <span class="keyword">delete</span> currName;
       
   404 <a name="l00452"></a>00452                         }
       
   405 <a name="l00453"></a>00453                 }
       
   406 <a name="l00454"></a>00454         resPtrs.Close();
       
   407 <a name="l00455"></a>00455         }
       
   408 <a name="l00456"></a>00456 
       
   409 <a name="l00460"></a>00460 TInt ChangeStateOfResource()
       
   410 <a name="l00461"></a>00461         {
       
   411 <a name="l00462"></a>00462         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOption,<span class="stringliteral">&quot;\nChange the state of a particular resource... \n&quot;</span>);
       
   412 <a name="l00463"></a>00463         gConsole-&gt;Printf(KTxtOption);
       
   413 <a name="l00464"></a>00464 
       
   414 <a name="l00465"></a>00465         <span class="comment">//Gets the current state of the resource</span>
       
   415 <a name="l00466"></a>00466         GetResourceState();
       
   416 <a name="l00467"></a>00467         TInt newLevel = gReadValue + 2; <span class="comment">//new (random) state value</span>
       
   417 <a name="l00468"></a>00468         TRequestStatus changeResourceStatus;
       
   418 <a name="l00469"></a>00469         gChannel.ChangeResourceState(changeResourceStatus,gResourceId,newLevel);
       
   419 <a name="l00470"></a>00470         User::WaitForRequest(changeResourceStatus);
       
   420 <a name="l00471"></a>00471         <span class="keywordflow">if</span>(changeResourceStatus.Int() != KErrNone)
       
   421 <a name="l00472"></a>00472                 {
       
   422 <a name="l00473"></a>00473                 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtChangeOfStateFailed,<span class="stringliteral">&quot;\nChange of state failed with return value %d\n&quot;</span>);
       
   423 <a name="l00474"></a>00474                 gConsole-&gt;Printf(KTxtChangeOfStateFailed,changeResourceStatus.Int());
       
   424 <a name="l00475"></a>00475                 }
       
   425 <a name="l00476"></a>00476         <span class="keywordflow">else</span>
       
   426 <a name="l00477"></a>00477                 {
       
   427 <a name="l00478"></a>00478                 gConsole-&gt;Printf(KTxtStateChange,newLevel);
       
   428 <a name="l00479"></a>00479                 }
       
   429 <a name="l00480"></a>00480         <span class="keywordflow">return</span> changeResourceStatus.Int();
       
   430 <a name="l00481"></a>00481         }
       
   431 <a name="l00482"></a>00482 
       
   432 <a name="l00486"></a>00486 <span class="keywordtype">void</span> RequestNotification()
       
   433 <a name="l00487"></a>00487         {
       
   434 <a name="l00488"></a>00488         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOption,<span class="stringliteral">&quot;\nRequest resource manager to notify the client about changes to the state of a resource... \n&quot;</span>);
       
   435 <a name="l00489"></a>00489         gConsole-&gt;Printf(KTxtOption);
       
   436 <a name="l00490"></a>00490 
       
   437 <a name="l00491"></a>00491         <span class="comment">//Verify whether ChangeResourceState() is supported. If not, then notification cannot be issued</span>
       
   438 <a name="l00492"></a>00492         TInt ret = ChangeStateOfResource();
       
   439 <a name="l00493"></a>00493         <span class="keywordflow">if</span>(ret == KErrNone)
       
   440 <a name="l00494"></a>00494                 {
       
   441 <a name="l00495"></a>00495                 TRequestStatus notificationStatus;
       
   442 <a name="l00496"></a>00496                 <span class="comment">//Requests notification for any change in the resource state</span>
       
   443 <a name="l00497"></a>00497                 gChannel.RequestNotification(notificationStatus, gResourceId);
       
   444 <a name="l00498"></a>00498                 TInt newLevel = gReadValue + 2;
       
   445 <a name="l00499"></a>00499 
       
   446 <a name="l00500"></a>00500                 <span class="comment">//Change the resource state.</span>
       
   447 <a name="l00501"></a>00501                 TRequestStatus changeResourceStatus;
       
   448 <a name="l00502"></a>00502                 gChannel.ChangeResourceState(changeResourceStatus,gResourceId,newLevel);
       
   449 <a name="l00503"></a>00503                 User::WaitForRequest(changeResourceStatus);
       
   450 <a name="l00504"></a>00504                 gConsole-&gt;Printf(KTxtStateChange,newLevel);
       
   451 <a name="l00505"></a>00505                 User::WaitForRequest(notificationStatus);               
       
   452 <a name="l00506"></a>00506                 <span class="keywordflow">if</span>(notificationStatus.Int() != KErrNone)
       
   453 <a name="l00507"></a>00507                         {
       
   454 <a name="l00508"></a>00508                         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtNotificationFailed,<span class="stringliteral">&quot;\nRequest Notification for any change in the state of a resource failed with %d&quot;</span>);
       
   455 <a name="l00509"></a>00509                         gConsole-&gt;Printf(KTxtNotificationFailed,notificationStatus.Int());
       
   456 <a name="l00510"></a>00510                         }
       
   457 <a name="l00511"></a>00511                 <span class="keywordflow">else</span>
       
   458 <a name="l00512"></a>00512                         {
       
   459 <a name="l00513"></a>00513                         
       
   460 <a name="l00514"></a>00514                         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtNotificationSuccess,<span class="stringliteral">&quot;\nRequest Notification for any change in the state of a resource is successful&quot;</span>);
       
   461 <a name="l00515"></a>00515                         gConsole-&gt;Printf(KTxtNotificationSuccess);
       
   462 <a name="l00516"></a>00516                         }
       
   463 <a name="l00517"></a>00517                 }
       
   464 <a name="l00518"></a>00518         <span class="keywordflow">else</span>
       
   465 <a name="l00519"></a>00519                 {
       
   466 <a name="l00520"></a>00520                 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtNotificationNotSupported,<span class="stringliteral">&quot;User notification for this resource is not supported&quot;</span>);
       
   467 <a name="l00521"></a>00521                 gConsole-&gt;Printf(KTxtNotificationNotSupported);
       
   468 <a name="l00522"></a>00522                 }
       
   469 <a name="l00523"></a>00523         }
       
   470 <a name="l00524"></a>00524         
       
   471 <a name="l00525"></a>00525 <span class="keywordtype">void</span> GetPowerResourceInfoL()
       
   472 <a name="l00526"></a>00526         {
       
   473 <a name="l00527"></a>00527         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintSubMenu,<span class="stringliteral">&quot;GetPowerResourceInfo was chosen\n&quot;</span>);
       
   474 <a name="l00528"></a>00528         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintSubMenu1,<span class="stringliteral">&quot; \nDemonstrate the Get Power Resource APIs\n \</span>
       
   475 <a name="l00529"></a>00529 <span class="stringliteral">                *****************************************************\n \</span>
       
   476 <a name="l00530"></a>00530 <span class="stringliteral">                Option 1:GetNoOfResources\n   \</span>
       
   477 <a name="l00531"></a>00531 <span class="stringliteral">                Option 2:GetResourceInfo\n   \</span>
       
   478 <a name="l00532"></a>00532 <span class="stringliteral">                Option 3:GetAllResourcesInfo\n \</span>
       
   479 <a name="l00533"></a>00533 <span class="stringliteral">                Option 4:GetResourceState\n &quot;</span>);
       
   480 <a name="l00534"></a>00534         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintSubMenu2, <span class="stringliteral">&quot;\t \tOption 5:GetNumClientsUsingResource \n \</span>
       
   481 <a name="l00535"></a>00535 <span class="stringliteral">                Option 6:GetNumResourcesInUseByClient\n \</span>
       
   482 <a name="l00536"></a>00536 <span class="stringliteral">                Option 7:GetInfoOnResourcesInUseByClient\n \</span>
       
   483 <a name="l00537"></a>00537 <span class="stringliteral">                Option 8:GetInfoOnClientsUsingResource\n  \</span>
       
   484 <a name="l00538"></a>00538 <span class="stringliteral">                Option 9:GetNamesOfAllClients\n \</span>
       
   485 <a name="l00539"></a>00539 <span class="stringliteral">                ******************************************************\n &quot;</span> );
       
   486 <a name="l00540"></a>00540         gConsole-&gt;ClearScreen();
       
   487 <a name="l00541"></a>00541         gConsole-&gt;Printf(KPrintSubMenu);
       
   488 <a name="l00542"></a>00542         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtPressMainESC,<span class="stringliteral">&quot; \nPress &#39;ESC&#39; key to go back to the Main Menu\n&quot;</span>);
       
   489 <a name="l00543"></a>00543         gConsole-&gt;Printf(KTxtPressMainESC);
       
   490 <a name="l00544"></a>00544         gConsole-&gt;Printf(KPrintSubMenu1);
       
   491 <a name="l00545"></a>00545         gConsole-&gt;Printf(KPrintSubMenu2);
       
   492 <a name="l00546"></a>00546         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KChooseSubMenuOption,<span class="stringliteral">&quot;\nSelect an option 1 - 9 : &quot;</span>);
       
   493 <a name="l00547"></a>00547         gConsole-&gt;Printf(KChooseSubMenuOption);
       
   494 <a name="l00548"></a>00548         TChar tchar = gConsole-&gt;Getch();        
       
   495 <a name="l00549"></a>00549         <span class="keywordflow">while</span> (tchar != EKeyEscape)
       
   496 <a name="l00550"></a>00550                 {               
       
   497 <a name="l00551"></a>00551                 <span class="keywordflow">switch</span>(tchar)
       
   498 <a name="l00552"></a>00552                         {               
       
   499 <a name="l00553"></a>00553                         <span class="keywordflow">case</span> <span class="charliteral">&#39;1&#39;</span>:
       
   500 <a name="l00554"></a>00554                                 {
       
   501 <a name="l00555"></a>00555                                 GetNoOfResources();
       
   502 <a name="l00556"></a>00556                                 <span class="keywordflow">break</span>;
       
   503 <a name="l00557"></a>00557                                 }
       
   504 <a name="l00558"></a>00558                         <span class="keywordflow">case</span> <span class="charliteral">&#39;2&#39;</span>:
       
   505 <a name="l00559"></a>00559                                 {
       
   506 <a name="l00560"></a>00560                                 GetResourceInfo();
       
   507 <a name="l00561"></a>00561                                 <span class="keywordflow">break</span>;
       
   508 <a name="l00562"></a>00562                                 }
       
   509 <a name="l00563"></a>00563                         <span class="keywordflow">case</span> <span class="charliteral">&#39;3&#39;</span>:
       
   510 <a name="l00564"></a>00564                                 {
       
   511 <a name="l00565"></a>00565                                 GetAllResourcesInfoL();
       
   512 <a name="l00566"></a>00566                                 <span class="keywordflow">break</span>;
       
   513 <a name="l00567"></a>00567                                 }
       
   514 <a name="l00568"></a>00568                         <span class="keywordflow">case</span> <span class="charliteral">&#39;4&#39;</span>:
       
   515 <a name="l00569"></a>00569                                 {
       
   516 <a name="l00570"></a>00570                                 GetResourceState();
       
   517 <a name="l00571"></a>00571                                 <span class="keywordflow">break</span>;
       
   518 <a name="l00572"></a>00572                                 }
       
   519 <a name="l00573"></a>00573                         <span class="keywordflow">case</span> <span class="charliteral">&#39;5&#39;</span>:
       
   520 <a name="l00574"></a>00574                                 {
       
   521 <a name="l00575"></a>00575                                 GetNumClientsUsingResource();
       
   522 <a name="l00576"></a>00576                                 <span class="keywordflow">break</span>;
       
   523 <a name="l00577"></a>00577                                 }
       
   524 <a name="l00578"></a>00578                         <span class="keywordflow">case</span> <span class="charliteral">&#39;6&#39;</span>:
       
   525 <a name="l00579"></a>00579                                 {
       
   526 <a name="l00580"></a>00580                                 GetNumResourcesInUseByClient();
       
   527 <a name="l00581"></a>00581                                 <span class="keywordflow">break</span>;
       
   528 <a name="l00582"></a>00582                                 }
       
   529 <a name="l00583"></a>00583                         <span class="keywordflow">case</span> <span class="charliteral">&#39;7&#39;</span>:
       
   530 <a name="l00584"></a>00584                                 {
       
   531 <a name="l00585"></a>00585                                 GetInfoOnResourcesInUseByClientL();
       
   532 <a name="l00586"></a>00586                                 <span class="keywordflow">break</span>;
       
   533 <a name="l00587"></a>00587                                 }
       
   534 <a name="l00588"></a>00588                         <span class="keywordflow">case</span> <span class="charliteral">&#39;8&#39;</span>:
       
   535 <a name="l00589"></a>00589                                 {
       
   536 <a name="l00590"></a>00590                                 GetInfoOnClientsUsingResourceL();
       
   537 <a name="l00591"></a>00591                                 <span class="keywordflow">break</span>;
       
   538 <a name="l00592"></a>00592                                 }
       
   539 <a name="l00593"></a>00593                         <span class="keywordflow">case</span> <span class="charliteral">&#39;9&#39;</span>:
       
   540 <a name="l00594"></a>00594                                 {
       
   541 <a name="l00595"></a>00595                                 GetNamesOfAllClientsL();
       
   542 <a name="l00596"></a>00596                                 <span class="keywordflow">break</span>;
       
   543 <a name="l00597"></a>00597                                 }
       
   544 <a name="l00598"></a>00598                         <span class="keywordflow">default</span>:
       
   545 <a name="l00599"></a>00599                                 {
       
   546 <a name="l00600"></a>00600                                 <span class="keywordflow">if</span>(tchar == EKeyEscape)
       
   547 <a name="l00601"></a>00601                                         {
       
   548 <a name="l00602"></a>00602                                         tchar = <span class="charliteral">&#39;a&#39;</span>; <span class="comment">//Any value can be assigned, so that it goes back to the main menu</span>
       
   549 <a name="l00603"></a>00603                                         }
       
   550 <a name="l00604"></a>00604                                 <span class="keywordflow">else</span>
       
   551 <a name="l00605"></a>00605                                         {
       
   552 <a name="l00606"></a>00606                                         gConsole-&gt;Printf(KTxtOptionNotSupported);
       
   553 <a name="l00607"></a>00607                                         }
       
   554 <a name="l00608"></a>00608                                 <span class="keywordflow">break</span>;
       
   555 <a name="l00609"></a>00609                                 }
       
   556 <a name="l00610"></a>00610                         }
       
   557 <a name="l00611"></a>00611                 gConsole-&gt;Printf(KTxtPressAnyKey);
       
   558 <a name="l00612"></a>00612                 tchar = gConsole-&gt;Getch();      
       
   559 <a name="l00613"></a>00613                 gConsole-&gt;Printf(KTxtPressMainESC);
       
   560 <a name="l00614"></a>00614                 gConsole-&gt;Printf(KPrintSubMenu1);
       
   561 <a name="l00615"></a>00615                 gConsole-&gt;Printf(KPrintSubMenu2);
       
   562 <a name="l00616"></a>00616                 gConsole-&gt;Printf(KChooseSubMenuOption); 
       
   563 <a name="l00617"></a>00617                 tchar = gConsole-&gt;Getch();              
       
   564 <a name="l00618"></a>00618                 }
       
   565 <a name="l00619"></a>00619         }
       
   566 <a name="l00620"></a>00620 
       
   567 <a name="l00621"></a>00621 <span class="keywordtype">void</span> DoStartL()
       
   568 <a name="l00622"></a>00622         {
       
   569 <a name="l00623"></a>00623         TInt err= gChannel.Open(gName); <span class="comment">// &#39;gName&#39; contains the name of client</span>
       
   570 <a name="l00624"></a>00624         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintEnterPRMExample,<span class="stringliteral">&quot;Power Resource Manager example\n&quot;</span>);
       
   571 <a name="l00625"></a>00625         gConsole-&gt;Printf(KPrintEnterPRMExample);
       
   572 <a name="l00626"></a>00626         <span class="keywordflow">if</span> (err!=KErrNone)
       
   573 <a name="l00627"></a>00627                 {
       
   574 <a name="l00628"></a>00628                 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtCommonFailure,<span class="stringliteral">&quot;\n Note: The application cannot demonstrate the features without a defined PSL \</span>
       
   575 <a name="l00629"></a>00629 <span class="stringliteral">                        (Platform Specific Layer) and the necessary ldd and pdd. \n&quot;</span>);
       
   576 <a name="l00630"></a>00630                 gConsole-&gt;Printf(KTxtCommonFailure);
       
   577 <a name="l00631"></a>00631                 gConsole-&gt;Printf(KTxtFailed, err);
       
   578 <a name="l00632"></a>00632                 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtPressAnyKeyToCloseApp,<span class="stringliteral">&quot;Press any key to close the application &quot;</span>);
       
   579 <a name="l00633"></a>00633                 gConsole-&gt;Printf(KTxtPressAnyKeyToCloseApp);
       
   580 <a name="l00634"></a>00634                 gConsole-&gt;Getch();
       
   581 <a name="l00635"></a>00635                 }
       
   582 <a name="l00636"></a>00636         <span class="keywordflow">else</span>
       
   583 <a name="l00637"></a>00637                 {
       
   584 <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>
       
   585 <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>
       
   586 <a name="l00640"></a>00640                 <span class="keyword">const</span> TUint8 KNoOfNotifyRequests = 7;  <span class="comment">//The maximum number of notification requests</span>
       
   587 <a name="l00649"></a>00649 <span class="comment"></span>                err=gChannel.Initialise(KNoOfGetStateRequests,KNoOfSetStateRequests,KNoOfNotifyRequests);
       
   588 <a name="l00650"></a>00650                 <span class="keywordflow">if</span> (err!=KErrNone)
       
   589 <a name="l00651"></a>00651                         {
       
   590 <a name="l00652"></a>00652                         gConsole-&gt;Printf(KTxtFailed, err);
       
   591 <a name="l00653"></a>00653                         }
       
   592 <a name="l00654"></a>00654                 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtPressAnyKey,<span class="stringliteral">&quot;Press any key to continue&quot;</span>);
       
   593 <a name="l00655"></a>00655                 gConsole-&gt;Printf(KTxtPressAnyKey);
       
   594 <a name="l00656"></a>00656                 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtPressESC,<span class="stringliteral">&quot; \nPress the &#39;ESC&#39; key to exit\n&quot;</span>);
       
   595 <a name="l00657"></a>00657                 gConsole-&gt;Printf(KTxtPressESC);
       
   596 <a name="l00658"></a>00658                 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintMainMenu,<span class="stringliteral">&quot;\nOptions for various Power Resource Manager Features \n \</span>
       
   597 <a name="l00659"></a>00659 <span class="stringliteral">                        **************************************\n \</span>
       
   598 <a name="l00660"></a>00660 <span class="stringliteral">                        1:GetPowerResourceInfo \n \</span>
       
   599 <a name="l00661"></a>00661 <span class="stringliteral">                        2:ChangeStateOfResource \n \</span>
       
   600 <a name="l00662"></a>00662 <span class="stringliteral">                        3:RequestNotification \n \</span>
       
   601 <a name="l00663"></a>00663 <span class="stringliteral">                        **************************************\n \n&quot;</span>);
       
   602 <a name="l00664"></a>00664                 TChar tchar = gConsole-&gt;Getch();        
       
   603 <a name="l00665"></a>00665                 <span class="comment">//make a choice</span>
       
   604 <a name="l00666"></a>00666                 <span class="keywordflow">while</span> (tchar != EKeyEscape)
       
   605 <a name="l00667"></a>00667                         {
       
   606 <a name="l00668"></a>00668                         gConsole-&gt;Printf(KPrintMainMenu);
       
   607 <a name="l00669"></a>00669                         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KChooseMainMenuOption,<span class="stringliteral">&quot;Select option 1 - 3 : &quot;</span>);
       
   608 <a name="l00670"></a>00670                         gConsole-&gt;Printf(KChooseMainMenuOption);
       
   609 <a name="l00671"></a>00671                         tchar = gConsole-&gt;Getch();                      
       
   610 <a name="l00672"></a>00672                         <span class="keywordflow">switch</span>(tchar)
       
   611 <a name="l00673"></a>00673                                 {
       
   612 <a name="l00674"></a>00674                                 <span class="keywordflow">case</span> <span class="charliteral">&#39;1&#39;</span>:
       
   613 <a name="l00675"></a>00675                                         {       
       
   614 <a name="l00676"></a>00676                                         GetPowerResourceInfoL();
       
   615 <a name="l00677"></a>00677                                         <span class="keywordflow">break</span>;
       
   616 <a name="l00678"></a>00678                                         }
       
   617 <a name="l00679"></a>00679                                 <span class="keywordflow">case</span> <span class="charliteral">&#39;2&#39;</span>:
       
   618 <a name="l00680"></a>00680                                         {
       
   619 <a name="l00681"></a>00681                                         ChangeStateOfResource();
       
   620 <a name="l00682"></a>00682                                         <span class="keywordflow">break</span>;
       
   621 <a name="l00683"></a>00683                                         }
       
   622 <a name="l00684"></a>00684                                 <span class="keywordflow">case</span> <span class="charliteral">&#39;3&#39;</span>:
       
   623 <a name="l00685"></a>00685                                         {
       
   624 <a name="l00686"></a>00686                                         RequestNotification();
       
   625 <a name="l00687"></a>00687                                         <span class="keywordflow">break</span>;
       
   626 <a name="l00688"></a>00688                                         }
       
   627 <a name="l00689"></a>00689                                 <span class="keywordflow">default</span>:
       
   628 <a name="l00690"></a>00690                                         {
       
   629 <a name="l00691"></a>00691                                         <span class="keywordflow">if</span>(tchar == EKeyEscape)
       
   630 <a name="l00692"></a>00692                                                 {
       
   631 <a name="l00693"></a>00693                                                 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPrintExitMenu,<span class="stringliteral">&quot;\nExit the Menu\n&quot;</span>);
       
   632 <a name="l00694"></a>00694                                                 gConsole-&gt;Printf(KPrintExitMenu);
       
   633 <a name="l00695"></a>00695                                                 }
       
   634 <a name="l00696"></a>00696                                         <span class="keywordflow">else</span>
       
   635 <a name="l00697"></a>00697                                                 {
       
   636 <a name="l00698"></a>00698                                                 gConsole-&gt;Printf(KTxtOptionNotSupported);
       
   637 <a name="l00699"></a>00699                                                 }
       
   638 <a name="l00700"></a>00700                                         <span class="keywordflow">break</span>;
       
   639 <a name="l00701"></a>00701                                         }
       
   640 <a name="l00702"></a>00702                                 }                       
       
   641 <a name="l00703"></a>00703                         }
       
   642 <a name="l00704"></a>00704                 gChannel.Close();
       
   643 <a name="l00705"></a>00705                 }
       
   644 <a name="l00706"></a>00706         }
       
   645 <a name="l00707"></a>00707 <span class="keywordtype">void</span> callExampleL() <span class="comment">// Initialise and call example code under cleanup stack.</span>
       
   646 <a name="l00708"></a>00708         {
       
   647 <a name="l00709"></a>00709         gConsole=Console::NewL(KTxtExampleCode,TSize(KConsFullScreen,KConsFullScreen));
       
   648 <a name="l00710"></a>00710         CleanupStack::PushL(gConsole);
       
   649 <a name="l00711"></a>00711         DoStartL(); <span class="comment">// Perform example function.</span>
       
   650 <a name="l00712"></a>00712         CleanupStack::PopAndDestroy(gConsole); <span class="comment">// delete the gConsole.</span>
       
   651 <a name="l00713"></a>00713         }
       
   652 <a name="l00714"></a>00714 
       
   653 <a name="l00715"></a>00715 <span class="keyword">extern</span> TInt E32Main()
       
   654 <a name="l00716"></a>00716         {
       
   655 <a name="l00717"></a>00717         __UHEAP_MARK;
       
   656 <a name="l00718"></a>00718         CTrapCleanup* cleanup=CTrapCleanup::New(); <span class="comment">// Create clean-up stack.</span>
       
   657 <a name="l00719"></a>00719         <span class="keywordflow">if</span>(cleanup!=NULL)
       
   658 <a name="l00720"></a>00720                 {
       
   659 <a name="l00721"></a>00721                 TRAPD (error,callExampleL());
       
   660 <a name="l00722"></a>00722                 __ASSERT_ALWAYS(!error,User::Panic(KTxtExampleCode,error));
       
   661 <a name="l00723"></a>00723                 }
       
   662 <a name="l00724"></a>00724         <span class="keyword">delete</span> cleanup; <span class="comment">// Delete clean-up stack.</span>
       
   663 <a name="l00725"></a>00725         __UHEAP_MARKEND;
       
   664 <a name="l00726"></a>00726         <span class="keywordflow">return</span> KErrNone;
       
   665 <a name="l00727"></a>00727         }
       
   666 </pre></div></div>
       
   667 <hr size="1"/><address style="text-align: right;"><small>Generated by&nbsp;
       
   668 <a href="http://www.doxygen.org/index.html">
       
   669 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address>
       
   670 </body>
       
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