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#ifndef INCLUDED_GSURLSESSIONTASKBODYSOURCE_H
#define INCLUDED_GSURLSESSIONTASKBODYSOURCE_H
#import "common.h"
#import "GSDispatch.h"
@class NSFileHandle;
@class NSInputStream;
typedef NS_ENUM(NSUInteger, GSBodySourceDataChunk) {
GSBodySourceDataChunkData,
// The source is depleted.
GSBodySourceDataChunkDone,
// Retry later to get more data.
GSBodySourceDataChunkRetryLater,
GSBodySourceDataChunkError
};
/*
* A (non-blocking) source for body data.
*/
@protocol GSURLSessionTaskBodySource <NSObject>
/*
* Get the next chunck of data.
*/
- (void) getNextChunkWithLength: (NSInteger)length
completionHandler: (void (^)(GSBodySourceDataChunk chunk, NSData *data))completionHandler;
@end
@interface GSBodyStreamSource : NSObject <GSURLSessionTaskBodySource>
- (instancetype) initWithInputStream: (NSInputStream*)inputStream;
@end
@interface GSBodyDataSource : NSObject <GSURLSessionTaskBodySource>
- (instancetype)initWithData:(NSData *)data;
@end
@interface GSBodyFileSource : NSObject <GSURLSessionTaskBodySource>
- (instancetype) initWithFileURL: (NSURL*)fileURL
workQueue: (dispatch_queue_t)workQueue
dataAvailableHandler: (void (^)(void))dataAvailableHandler;
@end
#endif
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