//
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// Copyright © 2016年 dahua. All rights reserved.
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//
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#import "UIDevice+LeChange.h"
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#import <stdlib.h>
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#import <stdio.h>
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#import <netinet/in.h>
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#import <netinet6/in6.h>
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#import <sys/sysctl.h>
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#import <sys/socket.h>
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#import <sys/sockio.h>
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#import <sys/ioctl.h>
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#include <sys/param.h>
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#include <sys/mount.h>
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#import <net/if.h>
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#import <string.h>
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#import <TargetConditionals.h>
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#import <arpa/inet.h>
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#import <netdb.h>
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#import <ifaddrs.h>
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#import <SystemConfiguration/SCNetworkReachability.h>
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#import <resolv.h>
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#import <dns.h>
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#if TARGET_IPHONE_SIMULATOR && __IPHONE_OS_VERSION_MAX_ALLOWED < 110000
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#import <net/route.h>
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#elif TARGET_OS_IPHONE
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#import "route.h"
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#endif
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#define ROUNDUP(a) \
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((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
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@implementation UIDevice (LeChange)
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+ (void)lc_setOrientation:(UIInterfaceOrientation)orientation
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{
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//iOS10.3以上存在问题：设备方向与旋转的方向一致时，不会触发旋转；先旋转到状态栏方向来进行过度（TD32270）
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UIInterfaceOrientation deviceOri = (UIInterfaceOrientation)[UIDevice currentDevice].orientation;
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UIInterfaceOrientation statusBarOri = [UIApplication sharedApplication].statusBarOrientation;
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if (deviceOri == orientation && statusBarOri != deviceOri) {
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[self private_setDeviceOrientation: statusBarOri];
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}
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[self private_setDeviceOrientation:orientation];
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}
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+ (void)private_setDeviceOrientation:(UIInterfaceOrientation)orientation
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{
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if ([[UIDevice currentDevice] respondsToSelector:@selector(setOrientation:)])
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{
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SEL selector = NSSelectorFromString(@"setOrientation:");
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NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:[UIDevice instanceMethodSignatureForSelector:selector]];
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[invocation setSelector:selector];
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[invocation setTarget:[UIDevice currentDevice]];
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[invocation setArgument:&orientation atIndex:2];
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[invocation invoke];
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}
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}
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+ (NSString *)lc_orientationDescprition:(UIInterfaceOrientation)orientation
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{
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NSDictionary *dicDescription = @{@(UIInterfaceOrientationUnknown) : @"UIInterfaceOrientationUnknown",
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@(UIInterfaceOrientationPortrait) : @"UIInterfaceOrientationPortrait",
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@(UIInterfaceOrientationPortraitUpsideDown): @"UIInterfaceOrientationPortraitUpsideDown",
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@(UIInterfaceOrientationLandscapeLeft) : @"UIInterfaceOrientationLandscapeLeft",
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@(UIInterfaceOrientationLandscapeRight) : @"UIInterfaceOrientationLandscapeRight"};
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NSString *result = dicDescription[@(orientation)];
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return result ? : UIInterfaceOrientationUnknown;
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}
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+ (long long)lc_freeDiskSpaceInBytes
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{
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struct statfs buf;
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long long freespace = -1;
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if(statfs("/var", &buf) >= 0)
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{
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freespace = (long long)(buf.f_bsize * buf.f_bfree);
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}
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return freespace;
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}
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#pragma mark - ip mask gate dns
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#pragma mark - 获取路由器地址
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+ (NSString *)lc_getIPAddress
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{
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NSString *address;
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struct ifaddrs *interfaces = NULL;
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struct ifaddrs *temp_addr = NULL;
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int success = 0;
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// retrieve the current interfaces - returns 0 on success
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success = getifaddrs(&interfaces);
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if (success == 0)
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{
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// Loop through linked list of interfaces
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temp_addr = interfaces;
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while(temp_addr != NULL)
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{
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if(temp_addr->ifa_addr->sa_family == AF_INET)
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{
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// Check if interface is en0 which is the wifi connection on the iPhone
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if([[NSString stringWithUTF8String:temp_addr->ifa_name] isEqualToString:@"en0"])
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{
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address = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr)];
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}
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}
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temp_addr = temp_addr->ifa_next;
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}
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}
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// Free memory
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freeifaddrs(interfaces);
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return address;
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}
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+ (NSString *)lc_getMaskAddress
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{
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NSString *maskAddress = @"error";
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struct ifaddrs *interfaces = NULL;
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struct ifaddrs *temp_addr = NULL;
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int success = 0;
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// retrieve the current interfaces - returns 0 on success
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success = getifaddrs(&interfaces);
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if (success == 0)
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{
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// Loop through linked list of interfaces
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temp_addr = interfaces;
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while(temp_addr != NULL)
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{
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if(temp_addr->ifa_addr->sa_family == AF_INET)
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{
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// Check if interface is en0 which is the wifi connection on the iPhone
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if([[NSString stringWithUTF8String:temp_addr->ifa_name] isEqualToString:@"en0"])
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{
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maskAddress = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_netmask)->sin_addr)];
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}
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}
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temp_addr = temp_addr->ifa_next;
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}
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}
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// Free memory
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freeifaddrs(interfaces);
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return maskAddress;
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}
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unsigned char * getdefaultgateway(in_addr_t * addr)
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{
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unsigned char * octet=(unsigned char *)malloc(4);
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#if 0
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/* net.route.0.inet.dump.0.0 ? */
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int mib[] = {CTL_NET, PF_ROUTE, 0, AF_INET,
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NET_RT_DUMP, 0, 0/*tableid*/};
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#endif
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/* net.route.0.inet.flags.gateway */
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int mib[] = {CTL_NET, PF_ROUTE, 0, AF_INET,
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NET_RT_FLAGS, RTF_GATEWAY};
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size_t l;
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char * buf, * p;
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struct rt_msghdr * rt;
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struct sockaddr * sa;
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struct sockaddr * sa_tab[RTAX_MAX];
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int i;
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if(sysctl(mib, sizeof(mib)/sizeof(int), 0, &l, 0, 0) < 0) {
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return octet;
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}
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if(l>0) {
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buf = (char *)malloc(l);
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if(sysctl(mib, sizeof(mib)/sizeof(int), buf, &l, 0, 0) < 0) {
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return octet;
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}
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for(p=buf; p<buf+l; p+=rt->rtm_msglen) {
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rt = (struct rt_msghdr *)p;
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sa = (struct sockaddr *)(rt + 1);
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for(i=0; i<RTAX_MAX; i++) {
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if(rt->rtm_addrs & (1 << i)) {
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sa_tab[i] = sa;
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sa = (struct sockaddr *)((char *)sa + ROUNDUP(sa->sa_len));
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} else {
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sa_tab[i] = NULL;
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}
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}
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if( ((rt->rtm_addrs & (RTA_DST|RTA_GATEWAY)) == (RTA_DST|RTA_GATEWAY))
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&& sa_tab[RTAX_DST]->sa_family == AF_INET
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&& sa_tab[RTAX_GATEWAY]->sa_family == AF_INET) {
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for (int i=0; i<4; i++){
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octet[i] = ( ((struct sockaddr_in *)(sa_tab[RTAX_GATEWAY]))->sin_addr.s_addr >> (i*8) ) & 0xFF;
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}
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}
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}
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free(buf);
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}
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return octet;
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}
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+ (NSString *) lc_getRouterAddress {
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NSString *address = @"error";
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struct ifaddrs *interfaces = NULL;
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struct ifaddrs *temp_addr = NULL;
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int success = 0;
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// retrieve the current interfaces - returns 0 on success
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success = getifaddrs(&interfaces);
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if (success == 0)
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{
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// Loop through linked list of interfaces
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temp_addr = interfaces;
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//*/
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while(temp_addr != NULL)
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/*/
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int i=255;
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while((i--)>0)
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//*/
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{
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if(temp_addr->ifa_addr->sa_family == AF_INET)
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{
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// Check if interface is en0 which is the wifi connection on the iPhone
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if([[NSString stringWithUTF8String:temp_addr->ifa_name] isEqualToString:@"en0"])
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{
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address = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr)];
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}
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}
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temp_addr = temp_addr->ifa_next;
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}
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}
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// Free memory
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freeifaddrs(interfaces);
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in_addr_t i =inet_addr([address cStringUsingEncoding:NSUTF8StringEncoding]);
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in_addr_t* x =&i;
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unsigned char *s=getdefaultgateway(x);
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NSString *ip=[NSString stringWithFormat:@"%d.%d.%d.%d",s[0],s[1],s[2],s[3]];
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free(s);
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return ip;
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}
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//libresolv.dylib
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+ (NSString *)lc_getDNSAddress
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{
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NSString *dnsIP;
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res_state res = (res_state)malloc(sizeof(struct __res_state));
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int result = res_ninit(res);
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if ( result == 0 )
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{
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//for ( int i = 0; i < res->nscount; i++ )
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//{
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NSString *s = [NSString stringWithUTF8String : inet_ntoa(res->nsaddr_list[0].sin_addr)];
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dnsIP = s;
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// break;
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//}
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}
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else
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{
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NSLog(@"%@",@" res_init result != 0");
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}
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res_nclose(res);
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return dnsIP;
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}
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@end
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