時時網(wǎng)速監(jiān)控,方便全局監(jiān)控當前流量使用
import <Foundation/Foundation.h>
// 88kB/s
extern NSString *const GSDownloadNetworkSpeedNotificationKey;
// 2MB/s
extern NSString *const GSUploadNetworkSpeedNotificationKey;
@interface GSNetworkSpeed : NSObject
@property (nonatomic, copy, readonly) NSString*downloadNetworkSpeed;
@property (nonatomic, copy, readonly) NSString *uploadNetworkSpeed;
+ (instancetype)shareNetworkSpeed;
- (void)start;
- (void)stop;
@end
#import "GSNetworkSpeed.h"
#include <arpa/inet.h>
#include <ifaddrs.h>
#include <net/if.h>
#include <net/if_dl.h>
NSString* const GSDownloadNetworkSpeedNotificationKey = @"GSDownloadNetworkSpeedNotificationKey";
NSString* const GSUploadNetworkSpeedNotificationKey = @"GSUploadNetworkSpeedNotificationKey";
@interface GSNetworkSpeed () {
//總網(wǎng)速
uint32_t _iBytes;
uint32_t _oBytes;
uint32_t _allFlow;
//wifi網(wǎng)速
uint32_t _wifiIBytes;
uint32_t _wifiOBytes;
uint32_t _wifiFlow;
//3G網(wǎng)速
uint32_t _wwanIBytes;
uint32_t _wwanOBytes;
uint32_t _wwanFlow;
}
@property (nonatomic, strong) NSTimer* timer;
@end
@implementation GSNetworkSpeed
static GSNetworkSpeed* instance = nil;
+ (instancetype)shareNetworkSpeed
{
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
instance = [[self alloc] init];
});
return instance;
}
+ (instancetype)allocWithZone:(struct _NSZone*)zone
{
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
instance = [super allocWithZone:zone];
});
return instance;
}
- (instancetype)init
{
if (self = [super init]) {
_iBytes = _oBytes = _allFlow = _wifiIBytes = _wifiOBytes = _wifiFlow = _wwanIBytes = _wwanOBytes = _wwanFlow = 0;
}
return self;
}
#pragma mark - 開始監(jiān)聽網(wǎng)速
- (void)start
{
if (_timer == nil) {
_timer = [NSTimer scheduledTimerWithTimeInterval:1 target:self selector:@selector(checkNetworkSpeed) userInfo:nil repeats:YES];
[_timer fire];
}
}
//停止監(jiān)聽網(wǎng)速
- (void)stop
{
if ([_timer isValid]) {
[_timer invalidate];
_timer = nil;
}
}
- (NSString*)stringWithbytes:(int)bytes
{
if (bytes < 1024) // B
{
return [NSString stringWithFormat:@"%dB", 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:@"%.1fMB", (double)bytes / (1024 * 1024)];
}
else // GB
{
return [NSString stringWithFormat:@"%.1fGB", (double)bytes / (1024 * 1024 * 1024)];
}
}
- (void)checkNetworkSpeed
{
struct ifaddrs *ifa_list = 0, *ifa;
if (getifaddrs(&ifa_list) == -1) {
return;
}
uint32_t iBytes = 0;
uint32_t oBytes = 0;
uint32_t allFlow = 0;
uint32_t wifiIBytes = 0;
uint32_t wifiOBytes = 0;
uint32_t wifiFlow = 0;
uint32_t wwanIBytes = 0;
uint32_t wwanOBytes = 0;
uint32_t wwanFlow = 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;
// network
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;
allFlow = iBytes + oBytes;
}
//wifi
if (!strcmp(ifa->ifa_name, "en0")) {
struct if_data* if_data = (struct if_data*)ifa->ifa_data;
wifiIBytes += if_data->ifi_ibytes;
wifiOBytes += if_data->ifi_obytes;
wifiFlow = wifiIBytes + wifiOBytes;
}
//3G or gprs
if (!strcmp(ifa->ifa_name, "pdp_ip0")) {
struct if_data* if_data = (struct if_data*)ifa->ifa_data;
wwanIBytes += if_data->ifi_ibytes;
wwanOBytes += if_data->ifi_obytes;
wwanFlow = wwanIBytes + wwanOBytes;
}
}
freeifaddrs(ifa_list);
if (_iBytes != 0) {
_downloadNetworkSpeed = [[self stringWithbytes:iBytes - _iBytes] stringByAppendingString:@"/s"];
[[NSNotificationCenter defaultCenter] postNotificationName:GSDownloadNetworkSpeedNotificationKey object:nil];
NSLog(@"_downloadNetworkSpeed : %@",_downloadNetworkSpeed);
}
_iBytes = iBytes;
if (_oBytes != 0) {
_uploadNetworkSpeed = [[self stringWithbytes:oBytes - _oBytes] stringByAppendingString:@"/s"];
[[NSNotificationCenter defaultCenter] postNotificationName:GSUploadNetworkSpeedNotificationKey object:nil];
NSLog(@"_uploadNetworkSpeed :%@",_uploadNetworkSpeed);
}
_oBytes = oBytes;
}
@end
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