/*

 Copyright (C) 2016 Apple Inc. All Rights Reserved.

 See LICENSE.txt for this sample’s licensing information

 Abstract:

 Provides an interface for communication with an EASession. Also the delegate for the EASession input and output stream objects.

 */

@import Foundation;

@import ExternalAccessory;

extern NSString *EADSessionDataReceivedNotification;

// NOTE: EADSessionController is not threadsafe, calling methods from different threads will lead to unpredictable results

@interface EADSessionController : NSObject <EAAccessoryDelegate, NSStreamDelegate>

+ (EADSessionController *)sharedController;

- (void)setupControllerForAccessory:(EAAccessory *)accessory withProtocolString:(NSString *)protocolString;

- (BOOL)openSession;

- (void)closeSession;

- (void)writeData:(NSData *)data;

- (NSUInteger)readBytesAvailable;

- (NSData *)readData:(NSUInteger)bytesToRead;

@property (nonatomic, readonly) EAAccessory *accessory;

@property (nonatomic, readonly) NSString *protocolString;

@end