duoshoubang/FirstLink/Utils/网络监测/FKReachabili...

//
//  FKReachabilityUtil.m
//  FirstLink
//
//  Created by ascii on 15/9/7.
//  Copyright (c) 2015年 FirstLink. All rights reserved.
//

#import "FKReachabilityUtil.h"

#import "FKWebviewUtil.h"

@interface FKReachabilityUtil ()

@property (nonatomic, assign) BOOL isReachable;
@property (nonatomic, strong) NSString *network;

@end

@implementation FKReachabilityUtil

+ (FKReachabilityUtil *)sharedInstance {
    static FKReachabilityUtil *sharedFKReachabilityUtilInstance = nil;
    
    static dispatch_once_t once_token;
    dispatch_once(&once_token, ^{
        sharedFKReachabilityUtilInstance = [[self alloc] init];
    });
    
    return sharedFKReachabilityUtilInstance;
}

- (instancetype)init {
    self = [super init];
    if (self) {
        _isReachable = NO;
    }
    return self;
}

- (BOOL)isReachable {
    return _isReachable;
}

- (NSString *)networkType {
    if (!self.network) {
        return @"";
    }
    return self.network;
}

- (NSString *)networkType4UA {
    if ([self.networkType isEqualToString:@"wifi"]) {
        return @"WIFI";
    } else if ([self.networkType isEqualToString:@"wwan"]) {
        return @"4G";
    }
    return @"";
}

- (BOOL)isConnectWithWifi {
    if ([self.network isEqualToString:@"wifi"]) {
        return YES;
    }
    return NO;
}

- (void)configReachability {
    Reachability* reach = [Reachability reachabilityWithHostname:@"api.fine3q.com"];
    reach.reachableOnWWAN = YES;
    
    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(reachabilityChanged:)
                                                 name:kReachabilityChangedNotification
                                               object:nil];
    [reach startNotifier];
}

- (void)reachabilityChanged:(NSNotification *)notification {
    id obj = notification.object;
    if ([obj isKindOfClass:[Reachability class]]) {
        NetworkStatus internetStatus = [(Reachability*)obj currentReachabilityStatus];
        switch (internetStatus)
        {
            case NotReachable: {
//                NSLog(@"The internet is down.");
                self.isReachable = FALSE;
                self.network = @"notreachable";
                break;
            }
            case ReachableViaWiFi: {
//                NSLog(@"The internet is working via WIFI");
                self.isReachable = TRUE;
                self.network = @"wifi";
                break;
            }
            case ReachableViaWWAN: {
//                NSLog(@"The internet is working via WWAN!");
                self.isReachable = TRUE;
                self.network = @"wwan";
                break;
            }
            default: {
//                NSLog(@"The internet is working via mobile SIM!");
                self.isReachable = FALSE;
                self.network = @"notreachable";
                break;
            }
        }
    }
    
    [FKWebviewUtil configUserAgent];
}

@end