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IPv6Address.m
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IPv6Address.m
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#import <arpa/inet.h>
#import "IPv6Address.h"
#import "IPv6SocketAddress.h"
@implementation IPv6Address
- (id)initWithIn6Addr:(struct in6_addr)addr
{
self = [super init];
if (self) {
_addr = addr;
}
return self;
}
- (id)initWithString:(NSString *)string
{
struct in6_addr addr;
int result = inet_pton(
AF_INET6,
[string cStringUsingEncoding:[NSString defaultCStringEncoding]],
&addr
);
// system error
if (result == -1) {
[self release];
return nil;
}
// unparseable; errno is set
if (result == 0) {
[self release];
return nil;
}
return [self initWithIn6Addr:addr];
}
- (struct in6_addr)convertToIn6Addr
{
return _addr;
}
- (NSString *)description
{
char addrstr[INET6_ADDRSTRLEN];
if (NULL == inet_ntop(AF_INET6, &_addr, &addrstr[0], INET6_ADDRSTRLEN))
{
[NSException
raise:@"InvalidAddress"
format:@"The supplied address could not be formatted"
];
}
return [NSString
stringWithCString:addrstr
encoding:[NSString defaultCStringEncoding]
];
}
- (IPv6SocketAddress *)socketAddressWithPort:(NSUInteger)port
{
return [[[IPv6SocketAddress alloc]
initWithAddress:self
port:port]
autorelease];
}
@end