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HSK_CFUtilities.m
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HSK_CFUtilities.m
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//
// HSK_CFUtilities.m
//
// Copyright (c) 2008 Skorpiostech, Inc. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
#include "HSK_CFUtilities.h"
#include <sys/types.h>
#include <sys/socket.h>
void CFStreamCreatePairWithUNIXSocketPair(CFAllocatorRef alloc, CFReadStreamRef *readStream, CFWriteStreamRef *writeStream)
{
int sockpair[2];
int success = socketpair(AF_UNIX, SOCK_STREAM, 0, sockpair);
if (success < 0)
{
[NSException raise:@"HSK_CFUtilitiesErrorDomain" format:@"Unable to create socket pair, errno: %d", errno];
}
CFStreamCreatePairWithSocket(NULL, sockpair[0], readStream, NULL);
CFReadStreamSetProperty(*readStream, kCFStreamPropertyShouldCloseNativeSocket, kCFBooleanTrue);
CFStreamCreatePairWithSocket(NULL, sockpair[1], NULL, writeStream);
CFWriteStreamSetProperty(*writeStream, kCFStreamPropertyShouldCloseNativeSocket, kCFBooleanTrue);
}
CFIndex CFWriteStreamWriteFully(CFWriteStreamRef outputStream, const uint8_t* buffer, CFIndex length)
{
CFIndex bufferOffset = 0;
CFIndex bytesWritten;
while (bufferOffset < length)
{
if (CFWriteStreamCanAcceptBytes(outputStream))
{
bytesWritten = CFWriteStreamWrite(outputStream, &(buffer[bufferOffset]), length - bufferOffset);
if (bytesWritten < 0)
{
// Bail!
return bytesWritten;
}
bufferOffset += bytesWritten;
}
else if (CFWriteStreamGetStatus(outputStream) == kCFStreamStatusError)
{
return -1;
}
else
{
// Pump the runloop
CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.0, true);
}
}
return bufferOffset;
}