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[英]iOS Xcode Swift - How to get hotspot connected devices IP address?
[英]How to get Subnet Mask and Broadcast Address of Personal Hotspot in iOS
我需要找到一种方法来找出iOS中个人热点的子网掩码和广播地址。
我正在使用以下方式找出设备的IP地址,如果它连接到WiFi。 但无法弄清楚获取Personal Hotspot的网络属性的方法。
+ (NSString *) localIPAddress
{
NSString *address = @"error";
struct ifaddrs *interfaces = NULL;
struct ifaddrs *temp_addr = NULL;
int success = 0;
// retrieve the current interfaces - returns 0 on success
success = getifaddrs(&interfaces);
if (success == 0)
{
temp_addr = interfaces;
while(temp_addr != NULL)
{
// check if interface is en0 which is the wifi connection on the iPhone
if(temp_addr->ifa_addr->sa_family == AF_INET)
{
if([[NSString stringWithUTF8String:temp_addr->ifa_name] isEqualToString:@"en0"])
{
address = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr)];
}
}
temp_addr = temp_addr->ifa_next;
}
}
freeifaddrs(interfaces);
return address;
}
在分配地址的地方,只需插入:
netmask = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_netmask)->sin_addr)];
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