iOS platform network type detection

Eldest brother added a demand, connect the server to distinguish between internal and external network, demand understanding, the reality is very skinny ah, no way, dry.

#import <foundation/foundation.h>/* relies on the following framework systemconfiguration Coretelephony */typedef Enum _ networktype{    knetworkoff = 0,    knetworkwifi,    knetworkwlan,//If you cannot get to more detail, the value will be returned uniformly (iOS7 above to obtain)    KNETWORKWLAN2G,    knetworkwlan3g,    Knetworkgprs,    Knetworkedge,    KNETWORKWCDMA,    KNETWORKHSDPA,    Knetworkhsupa,    knetworkcdma1x,    kNetworkCDMAEVDORev0,    Knetworkcdmaevdoreva,    Knetworkcdmaevdorevb,    KNETWORKHRPD,    knetworklte,}networktype; @interface hsnetworkdetect:nsobject// Universal Interface/* Returns the network type enumeration value of 0~2 Networktype */+ (networktype) getnetworktype;/* iOS7 and above, in case of a cellular network, returns the >2 network type enumeration value; otherwise, 2 */+ is still returned ( Networktype) getcellulardatanetworktype;/* detect if the network is available, use reachability */+ (BOOL) isreachable: (nsstring*) address port: ( Nsinteger) port;/* Gets the SSID */+ (nsstring*) Getwifissid of the currently connected WiFi hotspot; @end

#import "HSNetworkDetect.h" #import "Reachability.h" #import <CoreTelephony/CTTelephonyNetworkInfo.h> #import <SystemConfiguration/CaptiveNetwork.h> #define ISIOS7! ([[[[Uidevice Currentdevice] systemversion] floatvalue] <=6.9f) #define SENTENCED_EMPTY (String) (String = (String = Nil)? @ "": string) @implementation Hsnetworkdetect#pragma Mark Universal Interface + (Networktype) getnetworktype{struct sockaddr_in    zeroaddress;    Bzero (&zeroaddress, sizeof (zeroaddress));    Zeroaddress.sin_len = sizeof (zeroaddress);    zeroaddress.sin_family = af_inet; Scnetworkreachabilityref defaultroutereachability = scnetworkreachabilitycreatewithaddress (NULL, struct sockaddr *) &zeroaddress);    To create a reference to a test connection: scnetworkreachabilityflags flags;    Scnetworkreachabilitygetflags (defaultroutereachability, &flags);    if ((Flags & kscnetworkreachabilityflagsreachable) = = 0) {return knetworkoff;    } networktype retVal = Knetworkoff; if (Flags & KSCNETWORKREACHABILITYFlagsconnectionrequired) = = 0) {retVal = Knetworkwifi;         } if (((Flags & kscnetworkreachabilityflagsconnectionondemand)! = 0) | | (Flags & kscnetworkreachabilityflagsconnectionontraffic)! = 0)) {if (Flags & KSCNETWORKREACHABILITYFLA        gsinterventionrequired) = = 0) {retVal = Knetworkwifi; }} if ((Flags & kscnetworkreachabilityflagsiswwan) = = Kscnetworkreachabilityflagsiswwan) {if (fl AGS & kscnetworkreachabilityflagsreachable) = = kscnetworkreachabilityflagsreachable) {if (Flags & KSC                networkreachabilityflagstransientconnection) = = kscnetworkreachabilityflagstransientconnection) {                RetVal = knetworkwlan3g;                if ((Flags & kscnetworkreachabilityflagsconnectionrequired) = = kscnetworkreachabilityflagsconnectionrequired)                {retVal = knetworkwlan2g; }}}} return Retval;} + (Networktype) getcellulardatanetworktype{if (ISIOS7) {cttelephonynetworkinfo *telephonyinfo = [Cttelephonyn        Etworkinfo new];        nsstring* wlannetwork = telephonyinfo.currentradioaccesstechnology;        if (wlannetwork = = nil) return knetworkoff;        if ([Wlannetwork Isequaltostring:ctradioaccesstechnologygprs]) {return KNETWORKGPRS; } else if ([Wlannetwork Isequaltostring:ctradioaccesstechnologyedge]) {return KNETWORKEDG        E } else if ([Wlannetwork ISEQUALTOSTRING:CTRADIOACCESSTECHNOLOGYWCDMA]) {return KNETWORKWCD        MA; } else if ([Wlannetwork ISEQUALTOSTRING:CTRADIOACCESSTECHNOLOGYHSDPA]) {return KNETWORKHSD        PA; } else if ([Wlannetwork Isequaltostring:ctradioaccesstechnologyhsupa]) {return KNETWORKHSU        PA; } else if ([Wlannetwork ISEQUALTOSTRING:CTRADIOACCESSTECHNOLOGYCDma1x]) {return knetworkcdma1x; } else if ([Wlannetwork isequaltostring:ctradioaccesstechnologycdmaevdorev0]) {return KNETWORKCDM        AEVDORev0; } else if ([Wlannetwork Isequaltostring:ctradioaccesstechnologycdmaevdoreva]) {return KNETWORKCDM        Aevdoreva; } else if ([Wlannetwork Isequaltostring:ctradioaccesstechnologycdmaevdorevb]) {return KNETWORKCDM        Aevdorevb; } else if ([Wlannetwork ISEQUALTOSTRING:CTRADIOACCESSTECHNOLOGYEHRPD]) {return KNETWORKHRP        D } else if ([Wlannetwork Isequaltostring:ctradioaccesstechnologylte]) {return knetworklte        ; }} return Knetworkwlan;}    + (nsstring*) getwifissid{nsarray *ifs = (__bridge ID) cncopysupportedinterfaces ();    ID info = nil; For (NSString *ifnam in ifs) {info = (__bridge ID) cncopycurrentnetworkinfo ((__bridge cfstringref) Ifnam);       if (info && [info count]) {nsstring *ssid=[info objectforkey: (__bridge nsstring *) kcnnet            WORKINFOKEYSSID];            NSString *bssid=[info Objectforkey: (__bridge NSString *) Kcnnetworkinfokeybssid];            NSLog (@ "interfacename:%@ ssid:%@ bssid:%@", ifnam,ssid,bssid);        return SSID; }} return nil;} + (BOOL) isreachable: (nsstring*) address port: (nsinteger) port{reachability* Poreach = [reachability    Reachabilitywithhostname:[nsstring stringwithformat:@ "%@:%d", Address,port]];    BOOL BRet = [Poreach isreachable]; return bRet;} @end

PS---> Boss temper you don't guess, guess guess you don't understand.

iOS platform network type detection