blob: 16d10cc986b036a7eceda229591af87ae261d1cc [file] [log] [blame]
/**
*
* Copyright (c) 2022 Project CHIP Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#import "MTROTAHeader.h"
#import "MTRError.h"
#import "MTRError_Internal.h"
#import "NSDataSpanConversion.h"
#import "NSStringSpanConversion.h"
#include <lib/core/OTAImageHeader.h>
@implementation MTROTAHeader
+ (nullable MTROTAHeader *)headerFromData:(NSData *)data error:(NSError * __autoreleasing *)error
{
chip::OTAImageHeaderParser parser;
parser.Init();
if (!parser.IsInitialized()) {
if (error != nil) {
*error = [NSError errorWithDomain:MTRErrorDomain code:MTRErrorCodeGeneralError userInfo:nil];
}
return nil;
}
chip::ByteSpan buffer = AsByteSpan(data);
chip::OTAImageHeader header;
CHIP_ERROR err = parser.AccumulateAndDecode(buffer, header);
if (err != CHIP_NO_ERROR) {
if (error != nil) {
*error = [MTRError errorForCHIPErrorCode:err];
}
parser.Clear();
return nil;
}
auto headerObj = [MTROTAHeader new];
headerObj.vendorID = @(header.mVendorId);
headerObj.productID = @(header.mProductId);
headerObj.payloadSize = @(header.mPayloadSize);
headerObj.softwareVersion = @(header.mSoftwareVersion);
headerObj.softwareVersionString = AsString(header.mSoftwareVersionString);
headerObj.releaseNotesURL = AsString(header.mReleaseNotesURL);
headerObj.imageDigest = AsData(header.mImageDigest);
headerObj.imageDigestType = static_cast<MTROTAImageDigestType>(chip::to_underlying(header.mImageDigestType));
if (header.mMinApplicableVersion.HasValue()) {
headerObj.minApplicableVersion = @(header.mMinApplicableVersion.Value());
}
if (header.mMaxApplicableVersion.HasValue()) {
headerObj.maxApplicableVersion = @(header.mMaxApplicableVersion.Value());
}
parser.Clear();
return headerObj;
}
@end
@implementation MTROTAHeaderParser
+ (nullable MTROTAHeader *)headerFromData:(NSData *)data error:(NSError * __autoreleasing *)error
{
return [MTROTAHeader headerFromData:data error:error];
}
@end