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1 | /** @file\r |
2 | The DriverEntryPoint and Unload for HttpUtilities driver.\r | |
3 | \r | |
4 | Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>\r | |
5 | \r | |
6 | This program and the accompanying materials\r | |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php.\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #include "HttpUtilitiesDxe.h"\r | |
17 | \r | |
18 | \r | |
19 | /**\r | |
20 | Unloads an image.\r | |
21 | \r | |
22 | @param ImageHandle Handle that identifies the image to be unloaded.\r | |
23 | \r | |
24 | @retval EFI_SUCCESS The image has been unloaded.\r | |
25 | @retval EFI_INVALID_PARAMETER ImageHandle is not a valid image handle.\r | |
26 | \r | |
27 | **/\r | |
28 | EFI_STATUS \r | |
29 | EFIAPI\r | |
30 | HttpUtilitiesDxeUnload (\r | |
31 | IN EFI_HANDLE ImageHandle\r | |
32 | )\r | |
33 | {\r | |
34 | EFI_STATUS Status;\r | |
35 | UINTN HandleNum;\r | |
36 | EFI_HANDLE *HandleBuffer;\r | |
37 | UINT32 Index;\r | |
38 | EFI_HTTP_UTILITIES_PROTOCOL *HttpUtilitiesProtocol;\r | |
39 | \r | |
40 | \r | |
41 | HandleBuffer = NULL;\r | |
42 | \r | |
43 | //\r | |
44 | // Locate all the handles with HttpUtilities protocol.\r | |
45 | //\r | |
46 | Status = gBS->LocateHandleBuffer (\r | |
47 | ByProtocol,\r | |
48 | &gEfiHttpUtilitiesProtocolGuid,\r | |
49 | NULL,\r | |
50 | &HandleNum,\r | |
51 | &HandleBuffer\r | |
52 | );\r | |
53 | if (EFI_ERROR (Status)) {\r | |
54 | return Status;\r | |
55 | }\r | |
56 | \r | |
57 | for (Index = 0; Index < HandleNum; Index++) {\r | |
58 | //\r | |
59 | // Firstly, find HttpUtilitiesProtocol interface\r | |
60 | //\r | |
61 | Status = gBS->OpenProtocol (\r | |
62 | HandleBuffer[Index], \r | |
63 | &gEfiHttpUtilitiesProtocolGuid, \r | |
64 | (VOID **) &HttpUtilitiesProtocol, \r | |
65 | ImageHandle, \r | |
66 | NULL, \r | |
67 | EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL\r | |
68 | );\r | |
69 | if (EFI_ERROR (Status)) {\r | |
70 | return Status;\r | |
71 | }\r | |
72 | \r | |
73 | //\r | |
74 | // Then, uninstall HttpUtilities interface\r | |
75 | // \r | |
76 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
77 | HandleBuffer[Index],\r | |
78 | &gEfiHttpUtilitiesProtocolGuid, HttpUtilitiesProtocol,\r | |
79 | NULL\r | |
80 | );\r | |
81 | if (EFI_ERROR (Status)) {\r | |
82 | return Status;\r | |
83 | }\r | |
84 | }\r | |
85 | \r | |
86 | return EFI_SUCCESS;\r | |
87 | }\r | |
88 | \r | |
89 | \r | |
90 | /**\r | |
91 | This is the declaration of an EFI image entry point. This entry point is\r | |
92 | the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers including\r | |
93 | both device drivers and bus drivers.\r | |
94 | \r | |
95 | @param ImageHandle The firmware allocated handle for the UEFI image.\r | |
96 | @param SystemTable A pointer to the EFI System Table.\r | |
97 | \r | |
98 | @retval EFI_SUCCESS The operation completed successfully.\r | |
99 | @retval Others An unexpected error occurred.\r | |
100 | **/\r | |
101 | EFI_STATUS\r | |
102 | EFIAPI\r | |
103 | HttpUtilitiesDxeDriverEntryPoint (\r | |
104 | IN EFI_HANDLE ImageHandle,\r | |
105 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
106 | )\r | |
107 | {\r | |
108 | EFI_STATUS Status;\r | |
109 | \r | |
110 | EFI_HANDLE Handle;\r | |
111 | \r | |
112 | Handle = NULL;\r | |
113 | \r | |
114 | //\r | |
115 | // Install the HttpUtilities Protocol onto Handle\r | |
116 | //\r | |
117 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
118 | &Handle,\r | |
119 | &gEfiHttpUtilitiesProtocolGuid,\r | |
120 | &mHttpUtilitiesProtocol,\r | |
121 | NULL\r | |
122 | );\r | |
123 | \r | |
124 | return Status;\r | |
125 | }\r | |
126 | \r |