\r
#include "HttpBootDxe.h"\r
\r
+/**\r
+ Install HTTP Boot Callback Protocol if not installed before.\r
+\r
+ @param[in] Private Pointer to HTTP Boot private data.\r
+\r
+ @retval EFI_SUCCESS HTTP Boot Callback Protocol installed succesfully.\r
+ @retval Others Failed to install HTTP Boot Callback Protocol.\r
+\r
+**/\r
+EFI_STATUS\r
+HttpBootInstallCallback (\r
+ IN HTTP_BOOT_PRIVATE_DATA *Private\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_HANDLE ControllerHandle;\r
+\r
+ if (!Private->UsingIpv6) {\r
+ ControllerHandle = Private->Ip4Nic->Controller;\r
+ } else {\r
+ ControllerHandle = Private->Ip6Nic->Controller;\r
+ }\r
+\r
+ //\r
+ // Check whether gEfiHttpBootCallbackProtocolGuid already installed.\r
+ //\r
+ Status = gBS->HandleProtocol (\r
+ ControllerHandle,\r
+ &gEfiHttpBootCallbackProtocolGuid,\r
+ (VOID **) &Private->HttpBootCallback\r
+ );\r
+ if (Status == EFI_UNSUPPORTED) {\r
+\r
+ CopyMem (\r
+ &Private->LoadFileCallback,\r
+ &gHttpBootDxeHttpBootCallback,\r
+ sizeof (EFI_HTTP_BOOT_CALLBACK_PROTOCOL)\r
+ );\r
+\r
+ //\r
+ // Install a default callback if user didn't offer one.\r
+ //\r
+ Status = gBS->InstallProtocolInterface (\r
+ &ControllerHandle,\r
+ &gEfiHttpBootCallbackProtocolGuid,\r
+ EFI_NATIVE_INTERFACE,\r
+ &Private->LoadFileCallback\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ Private->HttpBootCallback = &Private->LoadFileCallback;\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+/**\r
+ Uninstall HTTP Boot Callback Protocol if it's installed by this driver.\r
+\r
+ @param[in] Private Pointer to HTTP Boot private data.\r
+\r
+**/\r
+VOID\r
+HttpBootUninstallCallback (\r
+ IN HTTP_BOOT_PRIVATE_DATA *Private\r
+ )\r
+{\r
+ if (Private->HttpBootCallback == &Private->LoadFileCallback) {\r
+ gBS->UninstallProtocolInterface (\r
+ Private->Controller,\r
+ &gEfiHttpBootCallbackProtocolGuid,\r
+ &Private->HttpBootCallback\r
+ );\r
+ Private->HttpBootCallback = NULL;\r
+ }\r
+}\r
+\r
/**\r
Enable the use of UEFI HTTP boot function.\r
\r
ZeroMem (Private->OfferBuffer, sizeof (Private->OfferBuffer));\r
if (!Private->UsingIpv6) {\r
for (Index = 0; Index < HTTP_BOOT_OFFER_MAX_NUM; Index++) {\r
- Private->OfferBuffer[Index].Dhcp4.Packet.Offer.Size = HTTP_BOOT_DHCP4_PACKET_MAX_SIZE;\r
+ Private->OfferBuffer[Index].Dhcp4.Packet.Offer.Size = HTTP_CACHED_DHCP4_PACKET_MAX_SIZE;\r
}\r
} else {\r
for (Index = 0; Index < HTTP_BOOT_OFFER_MAX_NUM; Index++) {\r
- Private->OfferBuffer[Index].Dhcp6.Packet.Offer.Size = HTTP_BOOT_DHCP6_PACKET_MAX_SIZE;\r
+ Private->OfferBuffer[Index].Dhcp6.Packet.Offer.Size = HTTP_CACHED_DHCP6_PACKET_MAX_SIZE;\r
}\r
}\r
\r
}\r
}\r
Private->Started = TRUE;\r
+ Print (L"\n>>Start HTTP Boot over IPv%d", Private->UsingIpv6 ? 6 : 4);\r
\r
return EFI_SUCCESS;\r
}\r
return EFI_NOT_STARTED;\r
}\r
\r
- Status = EFI_DEVICE_ERROR;\r
+ Status = HttpBootInstallCallback (Private);\r
+ if (EFI_ERROR(Status)) {\r
+ goto ON_EXIT;\r
+ }\r
\r
if (Private->BootFileUri == NULL) {\r
//\r
//\r
Status = HttpBootDiscoverBootInfo (Private);\r
if (EFI_ERROR (Status)) {\r
- return Status;\r
+ goto ON_EXIT;\r
}\r
}\r
\r
//\r
Status = HttpBootCreateHttpIo (Private);\r
if (EFI_ERROR (Status)) {\r
- return Status;\r
+ goto ON_EXIT;\r
}\r
}\r
\r
&Private->ImageType\r
);\r
if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r
- return Status;\r
+ goto ON_EXIT;\r
}\r
}\r
}\r
if (*BufferSize < Private->BootFileSize) {\r
*BufferSize = Private->BootFileSize;\r
*ImageType = Private->ImageType;\r
- return EFI_BUFFER_TOO_SMALL;\r
+ Status = EFI_BUFFER_TOO_SMALL;\r
+ goto ON_EXIT;\r
}\r
\r
//\r
// Load the boot file into Buffer\r
//\r
- return HttpBootGetBootFile (\r
- Private,\r
- FALSE,\r
- BufferSize,\r
- Buffer,\r
- ImageType\r
- );\r
+ Status = HttpBootGetBootFile (\r
+ Private,\r
+ FALSE,\r
+ BufferSize,\r
+ Buffer,\r
+ ImageType\r
+ );\r
+ \r
+ON_EXIT:\r
+ HttpBootUninstallCallback (Private);\r
+ return Status;\r
}\r
\r
/**\r
Status = EFI_WARN_FILE_SYSTEM;\r
}\r
}\r
- \r
+\r
+ //\r
+ // Stop the HTTP Boot service after the boot image is downloaded.\r
+ //\r
+ HttpBootStop (Private);\r
return Status;\r
}\r
\r
EFI_LOAD_FILE_PROTOCOL gHttpBootDxeLoadFile = {\r
HttpBootDxeLoadFile\r
};\r
+\r
+/**\r
+ Callback function that is invoked when the HTTP Boot driver is about to transmit or has received a\r
+ packet.\r
+\r
+ This function is invoked when the HTTP Boot driver is about to transmit or has received packet.\r
+ Parameters DataType and Received specify the type of event and the format of the buffer pointed\r
+ to by Data. Due to the polling nature of UEFI device drivers, this callback function should not\r
+ execute for more than 5 ms.\r
+ The returned status code determines the behavior of the HTTP Boot driver.\r
+\r
+ @param[in] This Pointer to the EFI_HTTP_BOOT_CALLBACK_PROTOCOL instance.\r
+ @param[in] DataType The event that occurs in the current state.\r
+ @param[in] Received TRUE if the callback is being invoked due to a receive event.\r
+ FALSE if the callback is being invoked due to a transmit event.\r
+ @param[in] DataLength The length in bytes of the buffer pointed to by Data.\r
+ @param[in] Data A pointer to the buffer of data, the data type is specified by\r
+ DataType.\r
+ \r
+ @retval EFI_SUCCESS Tells the HTTP Boot driver to continue the HTTP Boot process.\r
+ @retval EFI_ABORTED Tells the HTTP Boot driver to abort the current HTTP Boot process.\r
+**/\r
+EFI_STATUS\r
+HttpBootCallback (\r
+ IN EFI_HTTP_BOOT_CALLBACK_PROTOCOL *This,\r
+ IN EFI_HTTP_BOOT_CALLBACK_DATA_TYPE DataType,\r
+ IN BOOLEAN Received,\r
+ IN UINT32 DataLength,\r
+ IN VOID *Data OPTIONAL\r
+ )\r
+{\r
+ EFI_HTTP_MESSAGE *HttpMessage;\r
+ EFI_HTTP_HEADER *HttpHeader;\r
+ HTTP_BOOT_PRIVATE_DATA *Private;\r
+ UINT32 Percentage;\r
+\r
+ Private = HTTP_BOOT_PRIVATE_DATA_FROM_CALLBACK_PROTOCOL(This);\r
+\r
+ switch (DataType) {\r
+ case HttpBootDhcp4:\r
+ case HttpBootDhcp6:\r
+ Print (L".");\r
+ break;\r
+\r
+ case HttpBootHttpRequest:\r
+ if (Data != NULL) {\r
+ HttpMessage = (EFI_HTTP_MESSAGE *) Data;\r
+ if (HttpMessage->Data.Request->Method == HttpMethodGet &&\r
+ HttpMessage->Data.Request->Url != NULL) {\r
+ Print (L"\n URI: %s\n", HttpMessage->Data.Request->Url);\r
+ }\r
+ }\r
+ break;\r
+\r
+ case HttpBootHttpResponse:\r
+ if (Data != NULL) {\r
+ HttpMessage = (EFI_HTTP_MESSAGE *) Data;\r
+ HttpHeader = HttpFindHeader (\r
+ HttpMessage->HeaderCount,\r
+ HttpMessage->Headers,\r
+ HTTP_HEADER_CONTENT_LENGTH\r
+ );\r
+ if (HttpHeader != NULL) {\r
+ Private->FileSize = AsciiStrDecimalToUintn (HttpHeader->FieldValue);\r
+ Private->ReceivedSize = 0;\r
+ Private->Percentage = 0;\r
+ }\r
+ }\r
+ break;\r
+\r
+ case HttpBootHttpEntityBody:\r
+ if (DataLength != 0) {\r
+ if (Private->FileSize != 0) {\r
+ //\r
+ // We already know the file size, print in percentage format.\r
+ //\r
+ if (Private->ReceivedSize == 0) {\r
+ Print (L" File Size: %lu\n", Private->FileSize);\r
+ }\r
+ Private->ReceivedSize += DataLength;\r
+ Percentage = (UINT32) DivU64x64Remainder (MultU64x32 (Private->ReceivedSize, 100), Private->FileSize, NULL);\r
+ if (Private->Percentage != Percentage) {\r
+ Private->Percentage = Percentage;\r
+ Print (L"\r Downloading...%d%%", Percentage);\r
+ }\r
+ } else {\r
+ //\r
+ // In some case we couldn't get the file size from the HTTP header, so we\r
+ // just print the downloaded file size.\r
+ //\r
+ Private->ReceivedSize += DataLength;\r
+ Print (L"\r Downloading...%lu Bytes", Private->ReceivedSize);\r
+ }\r
+ }\r
+ break;\r
+\r
+ default:\r
+ break;\r
+ };\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+///\r
+/// HTTP Boot Callback Protocol instance\r
+///\r
+GLOBAL_REMOVE_IF_UNREFERENCED \r
+EFI_HTTP_BOOT_CALLBACK_PROTOCOL gHttpBootDxeHttpBootCallback = {\r
+ HttpBootCallback\r
+};\r
projects / mirror_edk2.git / blobdiff