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path: root/SmartDeviceLink-iOS/SmartDeviceLink/SDLProtocolHeader.h
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//  SDLSmartDeviceLinkProtocolHeader.h
//


@import Foundation;


typedef NS_ENUM(UInt8, SDLFrameType) {
	SDLFrameType_Control = 0,
	SDLFrameType_Single = 1,
	SDLFrameType_First = 2,
	SDLFrameType_Consecutive = 3
};

typedef NS_ENUM(UInt8, SDLServiceType) {
	SDLServiceType_RPC = 7,
	SDLServiceType_BulkData = 0xF,
};

typedef NS_ENUM(UInt8, SDLFrameData) {
	SDLFrameData_Heartbeat = 0,
	SDLFrameData_StartSession = 1,
	SDLFrameData_StartSessionACK = 2,
	SDLFrameData_StartSessionNACK = 3,
	SDLFrameData_EndSession = 4,
	SDLFrameData_SingleFrame = 0,
	SDLFrameData_FirstFrame = 0,
    SDLFrameData_ConsecutiveLastFrame = 0
};


@interface SDLProtocolHeader : NSObject <NSCopying> {
    UInt8 _version;
    NSUInteger _size;
}

@property (assign, readonly) UInt8 version;
@property (assign, readonly) NSUInteger size;
@property (assign) BOOL compressed;
@property (assign) SDLFrameType frameType;
@property (assign) SDLServiceType serviceType;
@property (assign) SDLFrameData frameData;
@property (assign) UInt8 sessionID;
@property (assign) UInt32 bytesInPayload;

- (id)init;
- (id)copyWithZone:(NSZone *)zone;
- (NSData *)data;
- (void)parse:(NSData *)data;
- (NSString *)description;
+ (SDLProtocolHeader *)headerForVersion:(UInt8)version;

@end