mirror of https://github.com/acidanthera/audk.git
587 lines
19 KiB
C
587 lines
19 KiB
C
/** @file
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The implementation of EFI REST Resource JSON to C structure convertor
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Protocol.
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(C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <Uefi.h>
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#include <Protocol/RestJsonStructure.h>
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#include "RestJsonStructureInternal.h"
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LIST_ENTRY mRestJsonStructureList;
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EFI_HANDLE mProtocolHandle;
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/**
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This function registers Restful resource interpreter for the
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specific schema.
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@param[in] This This is the EFI_REST_JSON_STRUCTURE_PROTOCOL instance.
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@param[in] JsonStructureSupported The type and version of REST JSON resource which this converter
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supports.
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@param[in] ToStructure The function to convert REST JSON resource to structure.
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@param[in] ToJson The function to convert REST JSON structure to JSON in text format.
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@param[in] DestroyStructure Destroy REST JSON structure returned in ToStructure() function.
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@retval EFI_SUCCESS Register successfully.
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@retval Others Fail to register.
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**/
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EFI_STATUS
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EFIAPI
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RestJsonStructureRegister (
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IN EFI_REST_JSON_STRUCTURE_PROTOCOL *This,
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IN EFI_REST_JSON_STRUCTURE_SUPPORTED *JsonStructureSupported,
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IN EFI_REST_JSON_STRUCTURE_TO_STRUCTURE ToStructure,
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IN EFI_REST_JSON_STRUCTURE_TO_JSON ToJson,
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IN EFI_REST_JSON_STRUCTURE_DESTORY_STRUCTURE DestroyStructure
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)
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{
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UINTN NumberOfNS;
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UINTN Index;
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LIST_ENTRY *ThisList;
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REST_JSON_STRUCTURE_INSTANCE *Instance;
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EFI_REST_JSON_RESOURCE_TYPE_IDENTIFIER *CloneSupportedInterpId;
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EFI_REST_JSON_STRUCTURE_SUPPORTED *ThisSupportedInterp;
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if (This == NULL ||
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ToStructure == NULL ||
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ToJson == NULL ||
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DestroyStructure == NULL ||
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JsonStructureSupported == NULL
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) {
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return EFI_INVALID_PARAMETER;
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}
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//
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// Check how many name space interpreter can interpret.
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//
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ThisList = &JsonStructureSupported->NextSupportedRsrcInterp;
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NumberOfNS = 1;
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while (TRUE) {
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if (ThisList->ForwardLink == &JsonStructureSupported->NextSupportedRsrcInterp) {
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break;
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} else {
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ThisList = ThisList->ForwardLink;
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NumberOfNS ++;
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}
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};
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Instance =
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(REST_JSON_STRUCTURE_INSTANCE *)AllocateZeroPool (sizeof (REST_JSON_STRUCTURE_INSTANCE) + NumberOfNS * sizeof (EFI_REST_JSON_RESOURCE_TYPE_IDENTIFIER));
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if (Instance == NULL) {
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return EFI_OUT_OF_RESOURCES;
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}
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InitializeListHead (&Instance->NextRestJsonStructureInstance);
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Instance->NumberOfNameSpaceToConvert = NumberOfNS;
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Instance->SupportedRsrcIndentifier = (EFI_REST_JSON_RESOURCE_TYPE_IDENTIFIER *)((REST_JSON_STRUCTURE_INSTANCE *)Instance + 1);
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//
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// Copy supported resource identifer interpreter.
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//
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CloneSupportedInterpId = Instance->SupportedRsrcIndentifier;
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ThisSupportedInterp = JsonStructureSupported;
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for (Index = 0; Index < NumberOfNS; Index ++) {
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CopyMem ((VOID *)CloneSupportedInterpId, (VOID *)&ThisSupportedInterp->RestResourceInterp, sizeof (EFI_REST_JSON_RESOURCE_TYPE_IDENTIFIER));
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ThisSupportedInterp = (EFI_REST_JSON_STRUCTURE_SUPPORTED *)ThisSupportedInterp->NextSupportedRsrcInterp.ForwardLink;
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CloneSupportedInterpId ++;
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}
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Instance->JsonToStructure = ToStructure;
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Instance->StructureToJson = ToJson;
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Instance->DestroyStructure = DestroyStructure;
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InsertTailList (&mRestJsonStructureList, &Instance->NextRestJsonStructureInstance);
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return EFI_SUCCESS;
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}
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/**
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This function check if this interpreter instance support the given namesapce.
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@param[in] This EFI_REST_JSON_STRUCTURE_PROTOCOL instance.
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@param[in] InterpreterInstance REST_JSON_STRUCTURE_INSTANCE
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@param[in] RsrcTypeIdentifier Resource type identifier.
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@param[in] ResourceRaw Given Restful resource.
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@param[out] RestJSonHeader Property interpreted from given ResourceRaw.
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@retval EFI_SUCCESS
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@retval Others.
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**/
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EFI_STATUS
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InterpreterInstanceToStruct (
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IN EFI_REST_JSON_STRUCTURE_PROTOCOL *This,
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IN REST_JSON_STRUCTURE_INSTANCE *InterpreterInstance,
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IN EFI_REST_JSON_RESOURCE_TYPE_IDENTIFIER *RsrcTypeIdentifier OPTIONAL,
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IN CHAR8 *ResourceRaw,
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OUT EFI_REST_JSON_STRUCTURE_HEADER **RestJSonHeader
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)
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{
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UINTN Index;
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EFI_STATUS Status;
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EFI_REST_JSON_RESOURCE_TYPE_IDENTIFIER *ThisSupportedRsrcTypeId;
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if (This == NULL ||
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InterpreterInstance == NULL ||
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ResourceRaw == NULL ||
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RestJSonHeader == NULL
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) {
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return EFI_INVALID_PARAMETER;
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}
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Status = EFI_UNSUPPORTED;
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if (RsrcTypeIdentifier == NULL) {
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//
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// No resource type identifier, send to intepreter anyway.
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// Interpreter may recognize this resource.
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//
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Status = InterpreterInstance->JsonToStructure (
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This,
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NULL,
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ResourceRaw,
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RestJSonHeader
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);
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} else {
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//
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// Check if the namesapce and version is supported by this interpreter.
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//
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ThisSupportedRsrcTypeId = InterpreterInstance->SupportedRsrcIndentifier;
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for (Index = 0; Index < InterpreterInstance->NumberOfNameSpaceToConvert; Index ++){
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if (AsciiStrCmp (
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RsrcTypeIdentifier->NameSpace.ResourceTypeName,
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ThisSupportedRsrcTypeId->NameSpace.ResourceTypeName) == 0){
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if ((RsrcTypeIdentifier->NameSpace.MajorVersion == NULL) &&
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(RsrcTypeIdentifier->NameSpace.MinorVersion == NULL) &&
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(RsrcTypeIdentifier->NameSpace.ErrataVersion == NULL)
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) {
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//
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// Don't check version of this resource type identifier.
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//
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Status = InterpreterInstance->JsonToStructure (
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This,
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RsrcTypeIdentifier,
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ResourceRaw,
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RestJSonHeader
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);
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break;
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} else {
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//
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// Check version.
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//
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if ((AsciiStrCmp (
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RsrcTypeIdentifier->NameSpace.MajorVersion,
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ThisSupportedRsrcTypeId->NameSpace.MajorVersion) == 0) &&
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(AsciiStrCmp (
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RsrcTypeIdentifier->NameSpace.MinorVersion,
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ThisSupportedRsrcTypeId->NameSpace.MinorVersion) == 0) &&
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(AsciiStrCmp (
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RsrcTypeIdentifier->NameSpace.ErrataVersion,
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ThisSupportedRsrcTypeId->NameSpace.ErrataVersion) == 0)) {
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Status = InterpreterInstance->JsonToStructure (
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This,
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RsrcTypeIdentifier,
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ResourceRaw,
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RestJSonHeader
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);
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break;
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}
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}
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}
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ThisSupportedRsrcTypeId ++;
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}
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}
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return Status;
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}
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/**
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This function converts JSON C structure to JSON property.
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@param[in] This EFI_REST_JSON_STRUCTURE_PROTOCOL instance.
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@param[in] InterpreterInstance REST_JSON_STRUCTURE_INSTANCE
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@param[in] RestJSonHeader Resource type identifier.
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@param[out] ResourceRaw Output in JSON text format.
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@retval EFI_SUCCESS
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@retval Others.
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**/
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EFI_STATUS
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InterpreterEfiStructToInstance (
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IN EFI_REST_JSON_STRUCTURE_PROTOCOL *This,
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IN REST_JSON_STRUCTURE_INSTANCE *InterpreterInstance,
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IN EFI_REST_JSON_STRUCTURE_HEADER *RestJSonHeader,
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OUT CHAR8 **ResourceRaw
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)
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{
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UINTN Index;
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EFI_STATUS Status;
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EFI_REST_JSON_RESOURCE_TYPE_IDENTIFIER *ThisSupportedRsrcTypeId;
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EFI_REST_JSON_RESOURCE_TYPE_IDENTIFIER *RsrcTypeIdentifier;
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if (This == NULL ||
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InterpreterInstance == NULL ||
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RestJSonHeader == NULL ||
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ResourceRaw == NULL
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) {
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return EFI_INVALID_PARAMETER;
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}
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RsrcTypeIdentifier = &RestJSonHeader->JsonRsrcIdentifier;
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if (RsrcTypeIdentifier == NULL ||
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RsrcTypeIdentifier->NameSpace.ResourceTypeName == NULL ||
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RsrcTypeIdentifier->NameSpace.MajorVersion == NULL ||
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RsrcTypeIdentifier->NameSpace.MinorVersion == NULL ||
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RsrcTypeIdentifier->NameSpace.ErrataVersion == NULL
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) {
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return EFI_INVALID_PARAMETER;
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}
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//
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// Check if the namesapce and version is supported by this interpreter.
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//
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Status = EFI_UNSUPPORTED;
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ThisSupportedRsrcTypeId = InterpreterInstance->SupportedRsrcIndentifier;
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for (Index = 0; Index < InterpreterInstance->NumberOfNameSpaceToConvert; Index ++){
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if (AsciiStrCmp (
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RsrcTypeIdentifier->NameSpace.ResourceTypeName,
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ThisSupportedRsrcTypeId->NameSpace.ResourceTypeName) == 0){
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//
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// Check version.
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//
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if ((AsciiStrCmp (
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RsrcTypeIdentifier->NameSpace.MajorVersion,
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ThisSupportedRsrcTypeId->NameSpace.MajorVersion) == 0) &&
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(AsciiStrCmp (
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RsrcTypeIdentifier->NameSpace.MinorVersion,
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ThisSupportedRsrcTypeId->NameSpace.MinorVersion) == 0) &&
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(AsciiStrCmp (
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RsrcTypeIdentifier->NameSpace.ErrataVersion,
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ThisSupportedRsrcTypeId->NameSpace.ErrataVersion) == 0)) {
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Status = InterpreterInstance->StructureToJson (
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This,
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RestJSonHeader,
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ResourceRaw
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);
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break;
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}
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}
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ThisSupportedRsrcTypeId ++;
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}
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return Status;
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}
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/**
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This function destory REST property structure.
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@param[in] This EFI_REST_JSON_STRUCTURE_PROTOCOL instance.
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@param[in] InterpreterInstance REST_JSON_STRUCTURE_INSTANCE
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@param[in] RestJSonHeader Property interpreted from given ResourceRaw.
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@retval EFI_SUCCESS
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@retval Others.
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**/
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EFI_STATUS
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InterpreterInstanceDestoryJsonStruct (
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IN EFI_REST_JSON_STRUCTURE_PROTOCOL *This,
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IN REST_JSON_STRUCTURE_INSTANCE *InterpreterInstance,
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IN EFI_REST_JSON_STRUCTURE_HEADER *RestJSonHeader
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)
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{
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UINTN Index;
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EFI_STATUS Status;
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EFI_REST_JSON_RESOURCE_TYPE_IDENTIFIER *ThisSupportedRsrcTypeId;
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if (This == NULL ||
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InterpreterInstance == NULL ||
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RestJSonHeader == NULL
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) {
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return EFI_INVALID_PARAMETER;
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}
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Status = EFI_UNSUPPORTED;
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//
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// Check if the namesapce and version is supported by this interpreter.
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//
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ThisSupportedRsrcTypeId = InterpreterInstance->SupportedRsrcIndentifier;
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for (Index = 0; Index < InterpreterInstance->NumberOfNameSpaceToConvert; Index ++){
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if (AsciiStrCmp (
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RestJSonHeader->JsonRsrcIdentifier.NameSpace.ResourceTypeName,
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ThisSupportedRsrcTypeId->NameSpace.ResourceTypeName) == 0) {
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if ((RestJSonHeader->JsonRsrcIdentifier.NameSpace.MajorVersion == NULL) &&
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(RestJSonHeader->JsonRsrcIdentifier.NameSpace.MinorVersion == NULL) &&
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(RestJSonHeader->JsonRsrcIdentifier.NameSpace.ErrataVersion == NULL)
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) {
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//
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// Don't check version of this resource type identifier.
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//
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Status = InterpreterInstance->DestroyStructure (
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This,
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RestJSonHeader
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);
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break;
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} else {
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//
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// Check version.
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//
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if ((AsciiStrCmp (
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RestJSonHeader->JsonRsrcIdentifier.NameSpace.MajorVersion,
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ThisSupportedRsrcTypeId->NameSpace.MajorVersion) == 0) &&
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(AsciiStrCmp (
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RestJSonHeader->JsonRsrcIdentifier.NameSpace.MinorVersion,
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ThisSupportedRsrcTypeId->NameSpace.MinorVersion) == 0) &&
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(AsciiStrCmp (
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RestJSonHeader->JsonRsrcIdentifier.NameSpace.ErrataVersion,
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ThisSupportedRsrcTypeId->NameSpace.ErrataVersion) == 0)) {
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Status = InterpreterInstance->DestroyStructure (
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This,
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RestJSonHeader
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);
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break;
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}
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}
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}
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ThisSupportedRsrcTypeId ++;
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}
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return Status;
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}
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/**
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This function translates the given JSON text to JSON C Structure.
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@param[in] This EFI_REST_JSON_STRUCTURE_PROTOCOL instance.
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@param[in] RsrcTypeIdentifier Resource type identifier.
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@param[in] ResourceJsonText Given Restful resource.
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@param[out] JsonStructure Property interpreted from given ResourceRaw.
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@retval EFI_SUCCESS
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@retval Others.
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**/
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EFI_STATUS
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EFIAPI
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RestJsonStructureToStruct (
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IN EFI_REST_JSON_STRUCTURE_PROTOCOL *This,
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IN EFI_REST_JSON_RESOURCE_TYPE_IDENTIFIER *RsrcTypeIdentifier OPTIONAL,
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IN CHAR8 *ResourceJsonText,
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OUT EFI_REST_JSON_STRUCTURE_HEADER **JsonStructure
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)
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{
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EFI_STATUS Status;
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REST_JSON_STRUCTURE_INSTANCE *Instance;
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if (This == NULL ||
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ResourceJsonText == NULL ||
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JsonStructure == NULL
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) {
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return EFI_INVALID_PARAMETER;
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}
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if (IsListEmpty (&mRestJsonStructureList)) {
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return EFI_UNSUPPORTED;
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}
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Status = EFI_SUCCESS;
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Instance = (REST_JSON_STRUCTURE_INSTANCE *)GetFirstNode (&mRestJsonStructureList);
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while (TRUE) {
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Status = InterpreterInstanceToStruct (
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This,
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Instance,
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RsrcTypeIdentifier,
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ResourceJsonText,
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JsonStructure
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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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if (IsNodeAtEnd(&mRestJsonStructureList, &Instance->NextRestJsonStructureInstance)) {
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Status = EFI_UNSUPPORTED;
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break;
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}
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Instance = (REST_JSON_STRUCTURE_INSTANCE *)GetNextNode (&mRestJsonStructureList, &Instance->NextRestJsonStructureInstance);
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};
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return Status;
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}
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/**
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This function destory REST property EFI structure which returned in
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JsonToStructure().
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@param[in] This EFI_REST_JSON_STRUCTURE_PROTOCOL instance.
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@param[in] RestJSonHeader Property to destory.
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@retval EFI_SUCCESS
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@retval Others
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**/
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EFI_STATUS
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EFIAPI
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RestJsonStructureDestroyStruct (
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IN EFI_REST_JSON_STRUCTURE_PROTOCOL *This,
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IN EFI_REST_JSON_STRUCTURE_HEADER *RestJSonHeader
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)
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{
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EFI_STATUS Status;
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REST_JSON_STRUCTURE_INSTANCE *Instance;
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if (This == NULL || RestJSonHeader == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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if (IsListEmpty (&mRestJsonStructureList)) {
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return EFI_UNSUPPORTED;
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}
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Status = EFI_SUCCESS;
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Instance = (REST_JSON_STRUCTURE_INSTANCE *)GetFirstNode (&mRestJsonStructureList);
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while (TRUE) {
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Status = InterpreterInstanceDestoryJsonStruct (
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This,
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Instance,
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RestJSonHeader
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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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if (IsNodeAtEnd(&mRestJsonStructureList, &Instance->NextRestJsonStructureInstance)) {
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Status = EFI_UNSUPPORTED;
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break;
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}
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Instance = (REST_JSON_STRUCTURE_INSTANCE *)GetNextNode (&mRestJsonStructureList, &Instance->NextRestJsonStructureInstance);
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};
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return Status;
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}
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/**
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This function translates the given JSON C Structure to JSON text.
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@param[in] This EFI_REST_JSON_STRUCTURE_PROTOCOL instance.
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@param[in] RestJSonHeader Given Restful resource.
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@param[out] ResourceRaw Resource in RESTfuls service oriented.
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@retval EFI_SUCCESS
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@retval Others Fail to remove the entry
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**/
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EFI_STATUS
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EFIAPI
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RestJsonStructureToJson (
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IN EFI_REST_JSON_STRUCTURE_PROTOCOL *This,
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IN EFI_REST_JSON_STRUCTURE_HEADER *RestJSonHeader,
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OUT CHAR8 **ResourceRaw
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)
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{
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EFI_STATUS Status;
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REST_JSON_STRUCTURE_INSTANCE *Instance;
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if (This == NULL || RestJSonHeader == NULL || ResourceRaw == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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if (IsListEmpty (&mRestJsonStructureList)) {
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return EFI_UNSUPPORTED;
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}
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Status = EFI_SUCCESS;
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Instance = (REST_JSON_STRUCTURE_INSTANCE *)GetFirstNode (&mRestJsonStructureList);
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while (TRUE) {
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Status = InterpreterEfiStructToInstance (
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This,
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Instance,
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RestJSonHeader,
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ResourceRaw
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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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if (IsNodeAtEnd(&mRestJsonStructureList, &Instance->NextRestJsonStructureInstance)) {
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Status = EFI_UNSUPPORTED;
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break;
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}
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Instance = (REST_JSON_STRUCTURE_INSTANCE *)GetNextNode (&mRestJsonStructureList, &Instance->NextRestJsonStructureInstance);
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};
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return Status;
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}
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EFI_REST_JSON_STRUCTURE_PROTOCOL mRestJsonStructureProtocol = {
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RestJsonStructureRegister,
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RestJsonStructureToStruct,
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RestJsonStructureToJson,
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RestJsonStructureDestroyStruct
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};
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/**
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This is the declaration of an EFI image entry point.
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|
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@param ImageHandle The firmware allocated handle for the UEFI image.
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@param SystemTable A pointer to the EFI System Table.
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|
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@retval EFI_SUCCESS The operation completed successfully.
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@retval Others An unexpected error occurred.
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**/
|
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EFI_STATUS
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EFIAPI
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RestJsonStructureEntryPoint (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
|
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{
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EFI_STATUS Status;
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InitializeListHead (&mRestJsonStructureList);
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//
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// Install the Restful Resource Interpreter Protocol.
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//
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mProtocolHandle = NULL;
|
|
Status = gBS->InstallProtocolInterface (
|
|
&mProtocolHandle,
|
|
&gEfiRestJsonStructureProtocolGuid,
|
|
EFI_NATIVE_INTERFACE,
|
|
(VOID *)&mRestJsonStructureProtocol
|
|
);
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
This is the unload handle for Redfish discover module.
|
|
|
|
Disconnect the driver specified by ImageHandle from all the devices in the handle database.
|
|
Uninstall all the protocols installed in the driver entry point.
|
|
|
|
@param[in] ImageHandle The drivers' driver image.
|
|
|
|
@retval EFI_SUCCESS The image is unloaded.
|
|
@retval Others Failed to unload the image.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
RestJsonStructureUnload (
|
|
IN EFI_HANDLE ImageHandle
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
REST_JSON_STRUCTURE_INSTANCE *Instance;
|
|
REST_JSON_STRUCTURE_INSTANCE *NextInstance;
|
|
|
|
Status = gBS->UninstallProtocolInterface (
|
|
mProtocolHandle,
|
|
&gEfiRestJsonStructureProtocolGuid,
|
|
(VOID *)&mRestJsonStructureProtocol
|
|
);
|
|
|
|
if (IsListEmpty (&mRestJsonStructureList)) {
|
|
return Status;
|
|
}
|
|
//
|
|
// Free memory of REST_JSON_STRUCTURE_INSTANCE instance.
|
|
//
|
|
Instance = (REST_JSON_STRUCTURE_INSTANCE *)GetFirstNode (&mRestJsonStructureList);
|
|
do {
|
|
NextInstance = NULL;
|
|
if (!IsNodeAtEnd(&mRestJsonStructureList, &Instance->NextRestJsonStructureInstance)) {
|
|
NextInstance = (REST_JSON_STRUCTURE_INSTANCE *)GetNextNode (&mRestJsonStructureList, &Instance->NextRestJsonStructureInstance);
|
|
}
|
|
FreePool ((VOID *)Instance);
|
|
Instance = NextInstance;
|
|
} while (Instance != NULL);
|
|
|
|
return Status;
|
|
}
|