最近做视频遇到了一个需求就是将流量放在视频上方展示
于是2开始各种百度最后终于解决直接上代码吧
#include.
#include
#include
NSTimer *timer = [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(getInternetface) userInfo:nil repeats:YES];
[timer fireDate];
- (void)getInternetface {
long newBytes = [self getGprsWifiFlowIOBytes];
if ( _oldBytes > 0) {
_totalBytes = _totalBytes + newBytes - _oldBytes;
_traffic.text = [NSString stringWithFormat:@"流量:%@ ,码率%@/s",[self zhuanHuan:_totalBytes],[self zhuanHuan:newBytes - _oldBytes]];
}
_oldBytes = newBytes;
}
/*获取网络流量信息*/
-(long long )getGprsWifiFlowIOBytes{
struct ifaddrs *ifa_list = 0, *ifa;
if (getifaddrs(&ifa_list) == -1) {
return 0;
}
uint64_t iBytes = 0;
uint64_t oBytes = 0;
for (ifa = ifa_list; ifa; ifa = ifa->ifa_next) {
if (AF_LINK != ifa->ifa_addr->sa_family)
continue;
if (!(ifa->ifa_flags & IFF_UP) && !(ifa->ifa_flags & IFF_RUNNING))
continue;
if (ifa->ifa_data == 0)
continue;
//Wifi
if (strncmp(ifa->ifa_name, "lo", 2)) {
struct if_data *if_data = (struct if_data *)ifa->ifa_data;
iBytes += if_data->ifi_ibytes;
oBytes += if_data->ifi_obytes;
// NSLog(@"%s :iBytes is %d, oBytes is %d", ifa->ifa_name, iBytes, oBytes);
}
//3G或者GPRS
if (!strcmp(ifa->ifa_name, "pdp_ip0")){
struct if_data *if_data = (struct if_data *)ifa->ifa_data;
iBytes += if_data->ifi_ibytes;
oBytes += if_data->ifi_obytes;
// NSLog(@"%s :iBytes is %d, oBytes is %d",ifa->ifa_name, iBytes, oBytes);
}
}
freeifaddrs(ifa_list);
uint64_t bytes = 0;
bytes = iBytes + oBytes;
// NSLog(@"返回 ==== %llu ",bytes);
return bytes;
}
//将bytes单位转换
-(NSString *)zhuanHuan:(long)bytes{
if(bytes < 1024){ // B
return [NSString stringWithFormat:@"%ldB", bytes];
}else if(bytes >= 1024 && bytes < 1024 * 1024){// KB
return [NSString stringWithFormat:@"%.1fKB", (double)bytes / 1024];
}else if(bytes >= 1024 * 1024 && bytes < 1024 * 1024 * 1024){// MB
return [NSString stringWithFormat:@"%.2fMB", (double)bytes / (1024 * 1024)];
}else{ // GB
return [NSString stringWithFormat:@"%.3fGB", (double)bytes / (1024 * 1024 * 1024)];
}
}
