mirror of
https://github.com/samsonjs/arq_restore.git
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102 lines
3.5 KiB
Objective-C
102 lines
3.5 KiB
Objective-C
/*
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Copyright (c) 2009-2010, Stefan Reitshamer http://www.haystacksoftware.com
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the names of PhotoMinds LLC or Haystack Software, nor the names of
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their contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#import "CFStreamInputStream.h"
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#import "InputStreams.h"
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#import "SetNSError.h"
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#import "NSErrorCodes.h"
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#import "CFStreamPair.h"
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#define MY_BUF_SIZE (8192)
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#define DEFAULT_READ_TIMEOUT_SECONDS (60)
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@interface CFStreamInputStream (internal)
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- (BOOL)open:(NSError **)error;
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@end
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@implementation CFStreamInputStream
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- (id)initWithCFReadStream:(CFReadStreamRef)streamRef {
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if (self = [super init]) {
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readStream = streamRef;
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CFRetain(readStream);
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}
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return self;
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}
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- (void)dealloc {
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CFRelease(readStream);
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[super dealloc];
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}
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#pragma mark InputStream
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- (NSInteger)read:(unsigned char *)buf bufferLength:(NSUInteger)bufferLength error:(NSError **)error {
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if (![self open:error]) {
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return -1;
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}
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CFIndex index = CFReadStreamRead(readStream, buf, bufferLength);
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if (index == -1) {
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if (error != NULL) {
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CFErrorRef err = CFReadStreamCopyError(readStream);
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if (err == NULL) {
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SETNSERROR(@"CFStreamPairErrorDomain", -1, @"unknown network error");
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} else {
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*error = [CFStreamPair NSErrorWithNetworkError:err];
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CFRelease(err);
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}
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}
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return -1;
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}
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return (NSInteger)index;
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}
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- (NSData *)slurp:(NSError **)error {
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return [InputStreams slurp:self error:error];
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}
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@end
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@implementation CFStreamInputStream (internal)
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- (BOOL)open:(NSError **)error {
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if (!isOpen) {
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if (!CFReadStreamOpen(readStream)) {
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if (error != NULL) {
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CFErrorRef err = CFReadStreamCopyError(readStream);
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if (err == NULL) {
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SETNSERROR(@"CFStreamPairErrorDomain", -1, @"unknown network error");
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} else {
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*error = [CFStreamPair NSErrorWithNetworkError:err];
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CFRelease(err);
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}
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}
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return NO;
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}
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isOpen = YES;
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}
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return YES;
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}
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@end
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