| /** |
| @file |
| Display the handles in the system |
| |
| Copyright (c) 2011-2012, Intel Corporation |
| All rights reserved. This program and the accompanying materials |
| are licensed and made available under the terms and conditions of the BSD License |
| which accompanies this distribution. The full text of the license may be found at |
| http://opensource.org/licenses/bsd-license.php |
| |
| THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, |
| WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. |
| |
| **/ |
| |
| #include <WebServer.h> |
| |
| |
| /** |
| Respond with the handles in the system |
| |
| @param [in] SocketFD The socket's file descriptor to add to the list. |
| @param [in] pPort The WSDT_PORT structure address |
| @param [out] pbDone Address to receive the request completion status |
| |
| @retval EFI_SUCCESS The request was successfully processed |
| |
| **/ |
| EFI_STATUS |
| HandlePage ( |
| IN int SocketFD, |
| IN WSDT_PORT * pPort, |
| OUT BOOLEAN * pbDone |
| ) |
| { |
| INTN Digit; |
| INTN Entries; |
| INTN Index; |
| UINTN GuidCount; |
| UINTN LengthInBytes; |
| UINT8 * pDigit; |
| EFI_HANDLE * pHandleArray; |
| EFI_HANDLE * pHandle; |
| EFI_HANDLE * pHandleEnd; |
| EFI_GUID ** ppGuidArray; |
| EFI_GUID ** ppGuid; |
| EFI_GUID ** ppGuidEnd; |
| INTN Shift; |
| EFI_STATUS Status; |
| UINTN Value; |
| CONST UINTN cDigit [] = { |
| 3, 2, 1, 0, 5, 4, 7, 6, 8, 9, 10, 11, 12, 13, 14, 15 }; |
| |
| DBG_ENTER ( ); |
| |
| // |
| // Send the handles page |
| // |
| for ( ; ; ) { |
| // |
| // Send the page header |
| // |
| Status = HttpPageHeader ( SocketFD, pPort, L"Handle Database" ); |
| if ( EFI_ERROR ( Status )) { |
| break; |
| } |
| |
| // |
| // Build the table header |
| // |
| Status = HttpSendAnsiString ( SocketFD, |
| pPort, |
| "<h1>Handle Database</h1>\r\n" |
| "<table border=\"1\">\r\n" |
| " <tr bgcolor=\"c0c0ff\"><th>Handle</th><th>Protocol Guids</th></tr>\r\n" ); |
| if ( EFI_ERROR ( Status )) { |
| break; |
| } |
| |
| // |
| // Determine the number of handles in the database |
| // |
| LengthInBytes = 0; |
| Status = gBS->LocateHandle ( AllHandles, |
| NULL, |
| NULL, |
| &LengthInBytes, |
| NULL ); |
| if ( EFI_BUFFER_TOO_SMALL == Status ) { |
| // |
| // Allocate space for the handles |
| // |
| Status = gBS->AllocatePool ( EfiRuntimeServicesData, |
| LengthInBytes, |
| (VOID **) &pHandleArray ); |
| if ( !EFI_ERROR ( Status )) { |
| // |
| // Get the list of handles |
| // |
| Status = gBS->LocateHandle ( AllHandles, |
| NULL, |
| NULL, |
| &LengthInBytes, |
| pHandleArray ); |
| if ( !EFI_ERROR ( Status )) { |
| Entries = LengthInBytes / sizeof ( *pHandleArray ); |
| pHandle = pHandleArray; |
| pHandleEnd = &pHandle [ Entries ]; |
| while ( pHandleEnd > pHandle ) { |
| // |
| // Build the table entry for this page |
| // |
| Status = HttpSendAnsiString ( SocketFD, |
| pPort, |
| "<tr><td><code>0x" ); |
| if ( EFI_ERROR ( Status )) { |
| break; |
| } |
| Value = (UINTN) *pHandle; |
| for ( Shift = ( sizeof ( Shift ) << 3 ) - 4; 0 <= Shift; Shift -= 4 ) { |
| // |
| // Convert the next address nibble to ANSI hex |
| // |
| Digit = (( Value >> Shift ) & 0xf ) | '0'; |
| if ( '9' < Digit ) { |
| Digit += 'a' - '0' - 10; |
| } |
| |
| // |
| // Display the address digit |
| // |
| Status = HttpSendByte ( SocketFD, |
| pPort, |
| (UINT8) Digit ); |
| if ( EFI_ERROR ( Status )) { |
| break; |
| } |
| } |
| if ( EFI_ERROR ( Status )) { |
| break; |
| } |
| |
| // |
| // Start the second column |
| // |
| Status = HttpSendAnsiString ( SocketFD, |
| pPort, |
| "</code></td><td><code>\r\n" ); |
| if ( EFI_ERROR ( Status )) { |
| break; |
| } |
| |
| // |
| // Determine the number of protocols connected to this handle |
| // |
| Status = gBS->ProtocolsPerHandle ( *pHandle, |
| &ppGuidArray, |
| &GuidCount ); |
| if ( EFI_ERROR ( Status )) { |
| break; |
| } |
| ppGuid = ppGuidArray; |
| ppGuidEnd = &ppGuid [ GuidCount ]; |
| while ( ppGuidEnd > ppGuid ) { |
| // |
| // Display the guid |
| // |
| pDigit = (UINT8 *) *ppGuid; |
| for ( Index = 0; 16 > Index; Index++ ) { |
| // |
| // Separate the portions of the GUID |
| // 99E87DCF-6162-40c5-9FA1-32111F5197F7 |
| // |
| if (( 4 == Index ) |
| || ( 6 == Index ) |
| || ( 8 == Index ) |
| || ( 10 == Index )) { |
| Status = HttpSendByte ( SocketFD, |
| pPort, |
| '-' ); |
| if ( EFI_ERROR ( Status )) { |
| break; |
| } |
| } |
| |
| // |
| // Display the GUID digits |
| // |
| Value = pDigit [ cDigit [ Index ]]; |
| for ( Shift = 4; 0 <= Shift; Shift -= 4 ) { |
| // |
| // Convert the next address nibble to ANSI hex |
| // |
| Digit = (( Value >> Shift ) & 0xf ) | '0'; |
| if ( '9' < Digit ) { |
| Digit += 'a' - '0' - 10; |
| } |
| |
| // |
| // Display the address digit |
| // |
| Status = HttpSendByte ( SocketFD, |
| pPort, |
| (UINT8) Digit ); |
| if ( EFI_ERROR ( Status )) { |
| break; |
| } |
| } |
| if ( EFI_ERROR ( Status )) { |
| break; |
| } |
| } |
| |
| // |
| // Separate each GUID |
| // |
| Status = HttpSendAnsiString ( SocketFD, |
| pPort, |
| "<br/>\r\n" ); |
| if ( EFI_ERROR ( Status )) { |
| break; |
| } |
| |
| // |
| // Set the next protocol |
| // |
| ppGuid+= 1; |
| } |
| |
| // |
| // Free the GUID array |
| // |
| gBS->FreePool ( ppGuidArray ); |
| if ( EFI_ERROR ( Status )) { |
| break; |
| } |
| |
| // |
| // End the row |
| // |
| Status = HttpSendAnsiString ( SocketFD, |
| pPort, |
| "</code></td></tr>\r\n" ); |
| if ( EFI_ERROR ( Status )) { |
| break; |
| } |
| |
| // |
| // Set the next handle |
| // |
| pHandle += 1; |
| } |
| } |
| |
| // |
| // Done with the handle array |
| // |
| gBS->FreePool ( pHandleArray ); |
| } |
| } |
| |
| // |
| // Build the table trailer |
| // |
| Status = HttpSendAnsiString ( SocketFD, |
| pPort, |
| "</table>\r\n" ); |
| if ( EFI_ERROR ( Status )) { |
| break; |
| } |
| |
| // |
| // Send the page trailer |
| // |
| Status = HttpPageTrailer ( SocketFD, pPort, pbDone ); |
| break; |
| } |
| |
| // |
| // Return the operation status |
| // |
| DBG_EXIT_STATUS ( Status ); |
| return Status; |
| } |
