<div class="content"><p> </p><p>The <b>R_DhcpGetMibInfoV5</b> method is used to retrieve the
statistics of the DHCPv4 server. The caller of this function can free the
memory pointed to by <i>MibInfo</i> and its field <i>ScopeInfo</i> by calling
the function midl_user_free (see section <span><a href="a7e5f2d1-04b7-4363-bdc0-76a1099664eb" data-linktype="relative-path">3</a></span>).</p><dl>
<dd>
<div><pre> DWORD R_DhcpGetMibInfoV5(
   [in, unique, string] DHCP_SRV_HANDLE ServerIpAddress,
   [out] LPDHCP_MIB_INFO_V5* MibInfo
 );
</pre></div>
</dd></dl><p><b>ServerIpAddress: </b>The IP address/host name of
the DHCP server. This parameter is unused.</p><p><b>MibInfo: </b>This is a pointer of type <span><a href="779c90ca-dd34-4d80-a228-b433610345c6" data-linktype="relative-path">LPDHCP_MIB_INFO_V5</a></span>
that points to the location that contains DHCPv4 server statistics.</p><p><b>Return Values: </b>A 32-bit unsigned integer value
that indicates return status. A return value ERROR_SUCCESS (0x00000000)
indicates that the operation was completed successfully, else it contains a
Win32 error code, as specified in <span><a href="../ms-erref/1bc92ddf-b79e-413c-bbaa-99a5281a6c90" data-linktype="relative-path">[MS-ERREF]</a></span>.
This error code value can correspond to a DHCP-specific failure, which takes a
value between 20000 and 20099, or any generic failure.</p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Return value/code</p>
   </th>
   <th>
   <p>Description</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>
  <p>0x00000000</p>
  <p>ERROR_SUCCESS</p>
  </td>
  <td>
  <p>The call was successful.</p>
  </td>
 </tr></tbody></table>
</dd></dl><p>The opnum field value for this method is 81.</p><p>When processing this call, the DHCP server MUST do the
following:</p><ul><li><p><span><span> 
</span></span>Validate whether this method is authorized for read access per
section <span><a href="baec2112-1146-4c42-b77e-b706e170a590" data-linktype="relative-path">3.5.4</a></span>. If not, then
return error ERROR_ACCESS_DENIED.</p>
</li><li><p><span><span> 
</span></span>Allocate memory for <i>MibInfo</i> equal to the size of the <b>DHCP_MIB_INFO_V5</b>
structure.</p>
</li><li><p><span><span> 
</span></span>Retrieve all the statistics stored in the server ADM element <b>DHCPv4ServerMibInfo</b>
and copy them to the corresponding fields of <i>MibInfo</i>.</p>
</li><li><p><span><span> 
</span></span>Retrieve the <b>DHCPv4ScopesList</b> object and set <b>Scopes</b>
to the number of entries in it.</p>
</li><li><p><span><span> 
</span></span>Allocate memory for <i>ScopeInfo</i> field equal to the number of
Subnets multiplied by the size of the <b>SCOPE_MIB_INFO_V5</b> structure.</p>
</li><li><p><span><span> 
</span></span>Incrementally calculate the statistics for all the <b>DHCPv4Scope</b>
objects in <b>DHCPv4ScopesList</b> using the information in <b>DHCPv4Scope</b>
and copy them to the <i>ScopeInfo</i> structure referenced by <i>MibInfo</i>,
and return ERROR_SUCCESS.</p>
</li></ul><p><b>Exceptions Thrown:</b> No exceptions are thrown beyond
those thrown by the underlying RPC protocol <span><a href="../ms-rpce/290c38b1-92fe-4229-91e6-4fc376610c15" data-linktype="relative-path">[MS-RPCE]</a></span>.</p></div>