mirror of https://github.com/acidanthera/audk.git
279 lines
7.8 KiB
C
279 lines
7.8 KiB
C
/**
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@file
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Display the handles in the system
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Copyright (c) 2011-2012, Intel Corporation. All rights reserved.
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <WebServer.h>
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/**
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Respond with the handles in the system
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@param [in] SocketFD The socket's file descriptor to add to the list.
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@param [in] pPort The WSDT_PORT structure address
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@param [out] pbDone Address to receive the request completion status
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@retval EFI_SUCCESS The request was successfully processed
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**/
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EFI_STATUS
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HandlePage (
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IN int SocketFD,
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IN WSDT_PORT * pPort,
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OUT BOOLEAN * pbDone
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)
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{
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INTN Digit;
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INTN Entries;
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INTN Index;
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UINTN GuidCount;
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UINTN LengthInBytes;
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UINT8 * pDigit;
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EFI_HANDLE * pHandleArray;
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EFI_HANDLE * pHandle;
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EFI_HANDLE * pHandleEnd;
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EFI_GUID ** ppGuidArray;
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EFI_GUID ** ppGuid;
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EFI_GUID ** ppGuidEnd;
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INTN Shift;
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EFI_STATUS Status;
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UINTN Value;
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CONST UINTN cDigit [] = {
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3, 2, 1, 0, 5, 4, 7, 6, 8, 9, 10, 11, 12, 13, 14, 15 };
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DBG_ENTER ( );
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//
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// Send the handles page
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//
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for ( ; ; ) {
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//
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// Send the page header
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//
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Status = HttpPageHeader ( SocketFD, pPort, L"Handle Database" );
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if ( EFI_ERROR ( Status )) {
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break;
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}
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//
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// Build the table header
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//
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Status = HttpSendAnsiString ( SocketFD,
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pPort,
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"<h1>Handle Database</h1>\r\n"
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"<table border=\"1\">\r\n"
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" <tr bgcolor=\"c0c0ff\"><th>Handle</th><th>Protocol Guids</th></tr>\r\n" );
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if ( EFI_ERROR ( Status )) {
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break;
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}
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//
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// Determine the number of handles in the database
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//
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LengthInBytes = 0;
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Status = gBS->LocateHandle ( AllHandles,
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NULL,
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NULL,
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&LengthInBytes,
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NULL );
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if ( EFI_BUFFER_TOO_SMALL == Status ) {
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//
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// Allocate space for the handles
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//
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Status = gBS->AllocatePool ( EfiRuntimeServicesData,
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LengthInBytes,
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(VOID **) &pHandleArray );
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if ( !EFI_ERROR ( Status )) {
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//
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// Get the list of handles
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//
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Status = gBS->LocateHandle ( AllHandles,
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NULL,
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NULL,
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&LengthInBytes,
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pHandleArray );
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if ( !EFI_ERROR ( Status )) {
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Entries = LengthInBytes / sizeof ( *pHandleArray );
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pHandle = pHandleArray;
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pHandleEnd = &pHandle [ Entries ];
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while ( pHandleEnd > pHandle ) {
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//
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// Build the table entry for this page
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//
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Status = HttpSendAnsiString ( SocketFD,
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pPort,
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"<tr><td><code>0x" );
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if ( EFI_ERROR ( Status )) {
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break;
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}
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Value = (UINTN) *pHandle;
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for ( Shift = ( sizeof ( Shift ) << 3 ) - 4; 0 <= Shift; Shift -= 4 ) {
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//
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// Convert the next address nibble to ANSI hex
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//
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Digit = (( Value >> Shift ) & 0xf ) | '0';
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if ( '9' < Digit ) {
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Digit += 'a' - '0' - 10;
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}
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//
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// Display the address digit
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//
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Status = HttpSendByte ( SocketFD,
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pPort,
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(UINT8) Digit );
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if ( EFI_ERROR ( Status )) {
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break;
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}
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}
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if ( EFI_ERROR ( Status )) {
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break;
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}
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//
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// Start the second column
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//
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Status = HttpSendAnsiString ( SocketFD,
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pPort,
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"</code></td><td><code>\r\n" );
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if ( EFI_ERROR ( Status )) {
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break;
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}
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//
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// Determine the number of protocols connected to this handle
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//
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Status = gBS->ProtocolsPerHandle ( *pHandle,
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&ppGuidArray,
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&GuidCount );
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if ( EFI_ERROR ( Status )) {
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break;
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}
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ppGuid = ppGuidArray;
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ppGuidEnd = &ppGuid [ GuidCount ];
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while ( ppGuidEnd > ppGuid ) {
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//
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// Display the guid
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//
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pDigit = (UINT8 *) *ppGuid;
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for ( Index = 0; 16 > Index; Index++ ) {
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//
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// Separate the portions of the GUID
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// 99E87DCF-6162-40c5-9FA1-32111F5197F7
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//
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if (( 4 == Index )
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|| ( 6 == Index )
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|| ( 8 == Index )
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|| ( 10 == Index )) {
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Status = HttpSendByte ( SocketFD,
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pPort,
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'-' );
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if ( EFI_ERROR ( Status )) {
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break;
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}
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}
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//
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// Display the GUID digits
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//
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Value = pDigit [ cDigit [ Index ]];
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for ( Shift = 4; 0 <= Shift; Shift -= 4 ) {
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//
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// Convert the next address nibble to ANSI hex
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//
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Digit = (( Value >> Shift ) & 0xf ) | '0';
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if ( '9' < Digit ) {
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Digit += 'a' - '0' - 10;
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}
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//
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// Display the address digit
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//
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Status = HttpSendByte ( SocketFD,
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pPort,
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(UINT8) Digit );
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if ( EFI_ERROR ( Status )) {
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break;
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}
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}
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if ( EFI_ERROR ( Status )) {
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break;
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}
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}
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//
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// Separate each GUID
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//
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Status = HttpSendAnsiString ( SocketFD,
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pPort,
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"<br/>\r\n" );
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if ( EFI_ERROR ( Status )) {
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break;
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}
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//
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// Set the next protocol
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//
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ppGuid+= 1;
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}
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//
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// Free the GUID array
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//
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gBS->FreePool ( ppGuidArray );
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if ( EFI_ERROR ( Status )) {
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break;
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}
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//
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// End the row
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//
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Status = HttpSendAnsiString ( SocketFD,
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pPort,
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"</code></td></tr>\r\n" );
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if ( EFI_ERROR ( Status )) {
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break;
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}
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//
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// Set the next handle
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//
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pHandle += 1;
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}
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}
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//
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// Done with the handle array
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//
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gBS->FreePool ( pHandleArray );
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}
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}
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//
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// Build the table trailer
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//
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Status = HttpSendAnsiString ( SocketFD,
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pPort,
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"</table>\r\n" );
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if ( EFI_ERROR ( Status )) {
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break;
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}
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//
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// Send the page trailer
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//
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Status = HttpPageTrailer ( SocketFD, pPort, pbDone );
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break;
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}
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//
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// Return the operation status
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//
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DBG_EXIT_STATUS ( Status );
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return Status;
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}
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