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/* CFStreamPriv.h
Copyright (c) 2000-2019, Apple Inc. and the Swift project authors
Portions Copyright (c) 2014-2019, Apple Inc. and the Swift project authors
Licensed under Apache License v2.0 with Runtime Library Exception
See http://swift.org/LICENSE.txt for license information
See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
*/
#if !defined(__COREFOUNDATION_CFSTREAMPRIV__)
#define __COREFOUNDATION_CFSTREAMPRIV__ 1
#include "CFStream.h"
#include "CFRunLoop.h"
#include "CFRuntime.h"
CF_EXTERN_C_BEGIN
struct _CFStream;
struct _CFStreamClient {
CFStreamClientContext cbContext;
void (*cb)(struct _CFStream *, CFStreamEventType, void *);
CFOptionFlags when;
CFRunLoopSourceRef rlSource;
CFMutableArrayRef runLoopsAndModes;
CFOptionFlags whatToSignal;
};
#define CFStreamCurrentVersion 2
// A unified set of callbacks so we can use a single structure for all struct _CFStreams.
struct _CFStreamCallBacks {
CFIndex version;
void *(*create)(struct _CFStream *stream, void *info);
void (*finalize)(struct _CFStream *stream, void *info);
CFStringRef (*copyDescription)(struct _CFStream *stream, void *info);
Boolean (*open)(struct _CFStream *stream, CFErrorRef *error, Boolean *openComplete, void *info);
Boolean (*openCompleted)(struct _CFStream *stream, CFErrorRef *error, void *info);
CFIndex (*read)(CFReadStreamRef stream, UInt8 *buffer, CFIndex bufferLength, CFErrorRef *error, Boolean *atEOF, void *info);
const UInt8 *(*getBuffer)(CFReadStreamRef sream, CFIndex maxBytesToRead, CFIndex *numBytesRead, CFErrorRef *error, Boolean *atEOF, void *info);
Boolean (*canRead)(CFReadStreamRef, CFErrorRef *error, void *info);
CFIndex (*write)(CFWriteStreamRef, const UInt8 *buffer, CFIndex bufferLength, CFErrorRef *error, void *info);
Boolean (*canWrite)(CFWriteStreamRef, CFErrorRef *error, void *info);
void (*close)(struct _CFStream *stream, void *info);
CFTypeRef (*copyProperty)(struct _CFStream *stream, CFStringRef propertyName, void *info);
Boolean (*setProperty)(struct _CFStream *stream, CFStringRef propertyName, CFTypeRef propertyValue, void *info);
void (*requestEvents)(struct _CFStream *stream, CFOptionFlags events, void *info);
void (*schedule)(struct _CFStream *stream, CFRunLoopRef runLoop, CFStringRef runLoopMode, void *info);
void (*unschedule)(struct _CFStream *stream, CFRunLoopRef runLoop, CFStringRef runLoopMode, void *info);
};
struct _CFStream;
CF_EXPORT void* _CFStreamGetInfoPointer(struct _CFStream* stream);
CF_EXPORT
CFReadStreamRef _CFReadStreamCreateFromFileDescriptor(CFAllocatorRef alloc, int fd);
CF_EXPORT
CFWriteStreamRef _CFWriteStreamCreateFromFileDescriptor(CFAllocatorRef alloc, int fd);
#define SECURITY_NONE (0)
#define SECURITY_SSLv2 (1)
#define SECURITY_SSLv3 (2)
#define SECURITY_SSLv32 (3)
#define SECURITY_TLS (4)
#if TARGET_OS_OSX || TARGET_OS_IPHONE
// This symbol is exported from CFNetwork (see CFSocketStream.i). Only __MACH__ systems will
// get this symbol from CoreFoundation.
extern const int kCFStreamErrorDomainSSL;
#endif
/*
* Additional SPI for CFNetwork for select side read buffering
*/
CF_EXPORT
Boolean __CFSocketGetBytesAvailable(CFSocketRef s, CFIndex* ctBytesAvailable);
CF_EXPORT
CFIndex __CFSocketRead(CFSocketRef s, UInt8* buffer, CFIndex length, int* error);
/*
* This define can be removed once 6030579 is removed
*/
#define CFNETWORK_6030579 1
CF_EXPORT
void __CFSocketSetSocketReadBufferAttrs(CFSocketRef s, CFTimeInterval timeout, CFIndex length);
/*
* kCFStreamPropertySocketSSLContext
*
* Discussion:
* Stream property key, for both set and copy operations. CFDataRef
* containing a reference to the SecureTransport SecureContext
* structure.
*
*/
CF_EXPORT const CFStringRef kCFStreamPropertySocketSSLContext;
CF_EXTERN_C_END
/*
* for CF{Read/Write}StreamCopyProperty created from a file. The
* result is a CFDataRef containing sizeof(int) bytes in machine byte
* ordering representing the file descriptor of the underlying open
* file. If the underlying file descriptor is not open, the property
* value will be NULL (as opposed to containing ((int) -1)).
*/
CF_EXPORT const CFStringRef _kCFStreamPropertyFileNativeHandle API_AVAILABLE(macosx(10.12.4), ios(5.0), watchos(2.0), tvos(9.0));
/*
* SPI: The _kCFStreamPropertyHTTPTrailer property is a dictionary of HTTP headers & values that the caller
* wishes to have present in the trailer section of a chunked-encoded message body. The caller is responsible
* for setting this property BEFORE the stream event NSStreamEventEndEncountered is signaled to the reader of the
* stream on which this property is set.
*/
CF_EXPORT const CFStringRef _kCFStreamPropertyHTTPTrailer API_AVAILABLE(macosx(10.12), ios(10.0), watchos(3.0), tvos(10.0));
#endif /* ! __COREFOUNDATION_CFSTREAMPRIV__ */
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