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iOS 应用将适应新的的IPv6

苹果公司还称“在WWDC 2015上，我们宣布iOS 9开始向IPv6-only网络服务过渡。自2016年6月1日起，开发者所有提交至App Store的应用必须支持IPv6-only网络。由于大部分现有应用程序已经通过NSURLSession和CFNetwork APIs兼容该协议，因此这些应用无需做出调整。但如果你依然使用IPv4 API的或者硬件编码IP地址，那么你需要手动调整应用代码来适应新变化。”

　　除此之外，苹果还提供了相关资料，帮助开发者开始向已经添加了对IPv6-only网络的支持过渡，其中包括了WWDC 2015大会期间的开发者文档等。

 [摘录自:.shtml]


一般的http请求不受影响,但如果使用socket等则需要调整.经测试,目前支付宝,微信均在ipv6下不能正常访问网络.QQ客户端可以.

由于公司项目中使用了CocoaAsyncSocket,经测试,公司的app在ipv6下不能使用.


解决方案:针对ios9做单独处理.

经修改后,测试ios9可以正常使用.



下面是修改:

1,AFNetworkReachabilityManager

+ (instancetype)manager
{
//#if (defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 90000) || (defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101100)
//    struct sockaddr_in6 address;
//    bzero(&address, sizeof(address));
//    address.sin6_len = sizeof(address);
//    address.sin6_family = AF_INET6;
//#else
//    
//    struct sockaddr_in address;
//    bzero(&address, sizeof(address));
//    address.sin_len = sizeof(address);
//    address.sin_family = AF_INET;
//#endifif (IOS9){struct sockaddr_in6 address;bzero(&address, sizeof(address));address.sin6_len = sizeof(address);address.sin6_family = AF_INET6;return [self managerForAddress:&address];}else{struct sockaddr_in address;bzero(&address, sizeof(address));address.sin_len = sizeof(address);address.sin_family = AF_INET;return [self managerForAddress:&address];}
}


2,GCDAsyncSocket使用

GCDAsyncSocket *socketTest = [[GCDAsyncSocket alloc] initWithDelegate:self delegateQueue:dispatch_get_main_queue()];
if(IOS9)
{socketTest.IPv4PreferredOverIPv6 = NO;
}
[socketTest connectToHost:@"xxx.xxx.xxx.xxx" onPort:xxx withTimeout:20 error:nil];

3,GCDAsyncSocket.m 

+ (NSMutableArray *)lookupHost:(NSString *)host port:(uint16_t)port error:(NSError **)errPtr
{LogTrace();NSMutableArray *addresses = nil;NSError *error = nil;if ([host isEqualToString:@"localhost"] || [host isEqualToString:@"loopback"]){// Use LOOPBACK addressstruct sockaddr_in nativeAddr4;nativeAddr4.sin_len         = sizeof(struct sockaddr_in);nativeAddr4.sin_family      = AF_INET;nativeAddr4.sin_port        = htons(port);nativeAddr4.sin_addr.s_addr = htonl(INADDR_LOOPBACK);memset(&(nativeAddr4.sin_zero), 0, sizeof(nativeAddr4.sin_zero));struct sockaddr_in6 nativeAddr6;nativeAddr6.sin6_len        = sizeof(struct sockaddr_in6);nativeAddr6.sin6_family     = AF_INET6;nativeAddr6.sin6_port       = htons(port);nativeAddr6.sin6_flowinfo   = 0;nativeAddr6.sin6_addr       = in6addr_loopback;nativeAddr6.sin6_scope_id   = 0;// Wrap the native address structuresNSData *address4 = [NSData dataWithBytes:&nativeAddr4 length:sizeof(nativeAddr4)];NSData *address6 = [NSData dataWithBytes:&nativeAddr6 length:sizeof(nativeAddr6)];addresses = [NSMutableArray arrayWithCapacity:2];[addresses addObject:address4];[addresses addObject:address6];}else{NSString *portStr = [NSString stringWithFormat:@"%hu", port];struct addrinfo hints, *res, *res0;memset(&hints, 0, sizeof(hints));hints.ai_family   = PF_UNSPEC;hints.ai_socktype = SOCK_STREAM;hints.ai_protocol = IPPROTO_TCP;int gai_error = getaddrinfo([host UTF8String], [portStr UTF8String], &hints, &res0);if (gai_error){error = [self gaiError:gai_error];}else{NSUInteger capacity = 0;for (res = res0; res; res = res->ai_next){if (res->ai_family == AF_INET || res->ai_family == AF_INET6) {capacity++;}}addresses = [NSMutableArray arrayWithCapacity:capacity];for (res = res0; res; res = res->ai_next){if (res->ai_family == AF_INET){// Found IPv4 address.// Wrap the native address structure, and add to results.if (((struct sockaddr_in *)res->ai_addr)->sin_port == 0)((struct sockaddr_in *)res->ai_addr)->sin_port = htons(port);NSData *address4 = [NSData dataWithBytes:res->ai_addr length:res->ai_addrlen];[addresses addObject:address4];}else if (res->ai_family == AF_INET6){// Found IPv6 address.// Wrap the native address structure, and add to results.struct sockaddr_in6 *sockaddr = (struct sockaddr_in6 *)res->ai_addr;sockaddr->sin6_port = htons(port);NSData *address6 = [NSData dataWithBytes:res->ai_addr length:res->ai_addrlen];[addresses addObject:address6];//                    if (((struct sockaddr_in6 *)res->ai_addr)->sin6_port == 0)
//                        ((struct sockaddr_in6 *)res->ai_addr)->sin6_port = htons(port);
//                    NSData *address6 = [NSData dataWithBytes:res->ai_addr length:res->ai_addrlen];
//                    [addresses addObject:address6];}}freeaddrinfo(res0);if ([addresses count] == 0){error = [self gaiError:EAI_FAIL];}}}if (errPtr) *errPtr = error;return addresses;
}




相关资料:

CocoaAsyncSocket相关解决方案:

apple开发文档:.html
















 



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