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//
// SDLControlFramePayloadEndService.m
// SmartDeviceLink-iOS
//
// Created by Joel Fischer on 7/24/17.
// Copyright © 2017 smartdevicelink. All rights reserved.
//
#import "SDLControlFramePayloadEndService.h"
#import "bson_object.h"
#import "SDLControlFramePayloadConstants.h"
NS_ASSUME_NONNULL_BEGIN
@interface SDLControlFramePayloadEndService ()
@property (assign, nonatomic, readwrite) int32_t hashId;
@end
@implementation SDLControlFramePayloadEndService
- (instancetype)initWithHashId:(int32_t)hashId {
self = [super init];
if (!self) return nil;
_hashId = hashId;
return self;
}
- (instancetype)initWithData:(nullable NSData *)data {
self = [super init];
if (!self) return nil;
_hashId = SDLControlFrameInt32NotFound;
if (data.length > 0) {
[self sdl_parse:data];
}
return self;
}
- (nullable NSData *)data {
if (self.hashId == SDLControlFrameInt32NotFound) {
return nil;
}
BsonObject payloadObject;
bson_object_initialize_default(&payloadObject);
if (self.hashId != SDLControlFrameInt32NotFound) {
bson_object_put_int32(&payloadObject, SDLControlFrameHashIdKey, self.hashId);
}
BytePtr bsonData = bson_object_to_bytes(&payloadObject);
NSUInteger length = bson_object_size(&payloadObject);
bson_object_deinitialize(&payloadObject);
return [[NSData alloc] initWithBytes:bsonData length:length];
}
- (void)sdl_parse:(NSData *)data {
BsonObject payloadObject;
size_t retval = bson_object_from_bytes_len(&payloadObject, (BytePtr)data.bytes, data.length);
if (retval <= 0) {
return;
}
self.hashId = bson_object_get_int32(&payloadObject, SDLControlFrameHashIdKey);
bson_object_deinitialize(&payloadObject);
}
- (NSString *)description {
return [NSString stringWithFormat:@"<%@>: hash id: %d", NSStringFromClass(self.class), self.hashId];
}
@end
NS_ASSUME_NONNULL_END
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