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// SDLProtocolHeader.h
//
#import <Foundation/Foundation.h>
typedef NS_ENUM(UInt8, SDLFrameType) {
SDLFrameTypeControl = 0x00,
SDLFrameTypeSingle = 0x01,
SDLFrameTypeFirst = 0x02,
SDLFrameTypeConsecutive = 0x03
};
typedef NS_ENUM(UInt8, SDLServiceType) {
SDLServiceTypeControl = 0x00,
SDLServiceTypeRPC NS_SWIFT_NAME(rpc) = 0x07,
SDLServiceTypeAudio = 0x0A,
SDLServiceTypeVideo = 0x0B,
SDLServiceTypeBulkData = 0x0F
};
typedef NS_ENUM(UInt8, SDLFrameInfo) {
SDLFrameInfoHeartbeat = 0x00,
SDLFrameInfoStartService = 0x01,
SDLFrameInfoStartServiceACK = 0x02,
SDLFrameInfoStartServiceNACK = 0x03,
SDLFrameInfoEndService = 0x04,
SDLFrameInfoEndServiceACK = 0x05,
SDLFrameInfoEndServiceNACK = 0x06,
SDLFrameInfoServiceDataAck = 0xFE,
SDLFrameInfoHeartbeatACK = 0xFF,
// If frameType == Single (0x01)
SDLFrameInfoSingleFrame = 0x00,
// If frameType == First (0x02)
SDLFrameInfoFirstFrame = 0x00,
// If frametype == Consecutive (0x03)
SDLFrameInfoConsecutiveLastFrame = 0x00
};
NS_ASSUME_NONNULL_BEGIN
@interface SDLProtocolHeader : NSObject <NSCopying> {
UInt8 _version;
NSUInteger _size;
}
@property (assign, nonatomic, readonly) UInt8 version;
@property (assign, nonatomic, readonly) NSUInteger size;
@property (assign, nonatomic) BOOL compressed __deprecated_msg("This is a mirror for encrypted");
@property (assign, nonatomic) BOOL encrypted;
@property (assign, nonatomic) SDLFrameType frameType;
@property (assign, nonatomic) SDLServiceType serviceType;
@property (assign, nonatomic) SDLFrameInfo frameData;
@property (assign, nonatomic) UInt8 sessionID;
@property (assign, nonatomic) UInt32 bytesInPayload;
- (instancetype)init;
- (nullable NSData *)data;
- (void)parse:(NSData *)data;
- (NSString *)description;
+ (__kindof SDLProtocolHeader *)headerForVersion:(UInt8)version;
+ (UInt8)determineVersion:(NSData *)data;
@end
NS_ASSUME_NONNULL_END
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