CellularInfo/CellInfoView.m at master · nahum365/CellularInfo · GitHub

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//
//  CellInfoView.m
//  CellularInfo
//
//  Created by Nahum Getachew on 2/22/15.
//  Copyright (c) 2015 Nahum Getachew. All rights reserved.
//

#import "CellInfoView.h"
#import <CoreTelephony/CTTelephonyNetworkInfo.h>
#import "dlfcn.h"
#import "CTCellMonitor.h"

@implementation CellInfoView

-(id)initWithFrame:(CGRect)frame {
    self = [[[NSBundle mainBundle] loadNibNamed:NSStringFromClass([self class])
                                          owner:self
                                        options:nil] objectAtIndex:0];
    self.frame = frame;

    CALayer* layer = [CALayer layer];
    layer.frame = CGRectMake(0.0f, 99.5f, self.frame.size.width, 0.5f);
    layer.backgroundColor = [UIColor whiteColor].CGColor;
    [self.layer addSublayer:layer];

    return self;
}


- (void)setData:(NSDictionary*)data
{
    NSString* currentRadioAccess = data[(__bridge __strong id)(kCTCellMonitorCellRadioAccessTechnology)];
    self.lblMain.text = [currentRadioAccess componentsSeparatedByString:@"kCTCellMonitorRadioAccessTechnology"][1];
    if (!currentRadioAccess)
    {
        self.lblMain.text = @"No Mobile Data";
        [self.lblMain sizeToFit];
        self.lblSignal.text = @"";
        self.lblTxAntennas.text = @"";
        self.lblBandwidth.text = @"";
        self.lblExtra1.text = @"";
        self.lblExtra2.text = @"";
        self.lblExtra3.text = @"";
    }
    else if ([currentRadioAccess isEqual:@"kCTCellMonitorRadioAccessTechnologyCDMA1x"])
    {
        void *libHandle = dlopen("/System/Library/Frameworks/CoreTelephony.framework/CoreTelephony", RTLD_LAZY);
        int (*CTGetSignalStrength)();
        CTGetSignalStrength = dlsym(libHandle, "CTGetSignalStrength");
        if( CTGetSignalStrength == NULL) NSLog(@"Could not find CTGetSignalStrength");
        int result = CTGetSignalStrength();
        int dBm = 0;
        if(result <= 0)
            dBm = -100;
        else if(result >= 100)
            dBm = -50;
        else
            dBm = (result / 2) - 100;

        self.lblSignal.text = [NSString stringWithFormat:@"RSSI: %d dBm", dBm];
        dlclose(libHandle);
        self.lblTxAntennas.text = [NSString stringWithFormat:@"Channel #: %@", data[(__bridge __strong id)(kCTCellMonitorChannelNumber)]];
        NSString* bandClass;
        switch ([data[(__bridge __strong id)(kCTCellMonitorBandClass)] integerValue])
        {
            case 0:
                bandClass = @"800";
                break;
            case 1:
                bandClass = @"1900 PCS";
                break;
            case 2:
                bandClass = @"TACS";
                break;
            case 3:
                bandClass = @"JTACS";
                break;
            case 4:
                bandClass = @"Korean PCS";
                break;
            case 5:
                bandClass = @"450";
                break;
            case 6:
                bandClass = @"2 Ghz";
                break;
            case 7:
                bandClass = @"Upper 700 Mhz";
                break;
            case 8:
                bandClass = @"1800";
                break;
            case 9:
                bandClass = @"900";
                break;
            case 10:
                bandClass = @"Secondary 800 Mhz";
            default:
                bandClass = data[(__bridge __strong id)(kCTCellMonitorBandClass)];
                break;
        }
        self.lblBandwidth.text = [NSString stringWithFormat:@"Band Class: %@", bandClass];

        self.lblExtra1.text = [NSString stringWithFormat:@"SID: %@", data[(__bridge __strong id)(kCTCellMonitorSID)]];
        self.lblExtra2.text = [NSString stringWithFormat:@"NID: %@", data[(__bridge __strong id)(kCTCellMonitorNID)]];
        self.lblExtra3.text = [NSString stringWithFormat:@"BID: %@", data[(__bridge __strong id)(kCTCellMonitorBaseStationId)]];

    }
    else if ([currentRadioAccess isEqual:@"kCTCellMonitorRadioAccessTechnologyCDMAEVDO"] || [currentRadioAccess isEqual:@"kCTCellMonitorRadioAccessTechnologyeHRPD"])
    {
        CTTelephonyNetworkInfo* networkInfo = [CTTelephonyNetworkInfo new];
        if (networkInfo.currentRadioAccessTechnology == CTRadioAccessTechnologyeHRPD)
        {
            self.lblMain.text = @"eHRPD";
        }
        void *libHandle = dlopen("/System/Library/Frameworks/CoreTelephony.framework/CoreTelephony", RTLD_LAZY);
        int (*CTGetSignalStrength)();
        CTGetSignalStrength = dlsym(libHandle, "CTGetSignalStrength");
        if( CTGetSignalStrength == NULL) NSLog(@"Could not find CTGetSignalStrength");
        int result = CTGetSignalStrength();
        int dBm = 0;
        if(result <= 0)
            dBm = -100;
        else if(result >= 100)
            dBm = -50;
        else
            dBm = (result / 2) - 100;

        self.lblSignal.text = [NSString stringWithFormat:@"RSSI: %d dBm", dBm];
        dlclose(libHandle);

        self.lblTxAntennas.text = [NSString stringWithFormat:@"Channel #: %@", data[(__bridge __strong id)(kCTCellMonitorChannelNumber)]];

        NSString* bandClass;
        switch ([data[(__bridge __strong id)(kCTCellMonitorBandClass)] integerValue])
        {
            case 0:
                bandClass = @"800";
                break;
            case 1:
                bandClass = @"1900 PCS";
                break;
            case 2:
                bandClass = @"TACS";
                break;
            case 3:
                bandClass = @"JTACS";
                break;
            case 4:
                bandClass = @"Korean PCS";
                break;
            case 5:
                bandClass = @"450";
                break;
            case 6:
                bandClass = @"2 Ghz";
                break;
            case 7:
                bandClass = @"Upper 700 Mhz";
                break;
            case 8:
                bandClass = @"1800";
                break;
            case 9:
                bandClass = @"900";
                break;
            case 10:
                bandClass = @"Secondary 800 Mhz";
                break;
            default:
                bandClass = data[(__bridge __strong id)(kCTCellMonitorBandClass)];
                break;
        }
        self.lblBandwidth.text = [NSString stringWithFormat:@"Band Class: %@", bandClass];
        self.lblExtra1.text = [NSString stringWithFormat:@"MCC: %@", data[(__bridge __strong id)(kCTCellMonitorMCC)]];
        self.lblExtra2.text = [NSString stringWithFormat:@"PN Offset: %@", data[(__bridge __strong id)(kCTCellMonitorPNOffset)]];
    }
    else if ([currentRadioAccess isEqual:@"kCTCellMonitorRadioAccessTechnologyLTE"])
    {
        self.lblMain.text = [NSString stringWithFormat:@"LTE: Band %@", data[(__bridge __strong id)(kCTCellMonitorBandInfo)]];
        self.lblSignal.text = [NSString stringWithFormat:@"RSRP: %@ dBm", data[(__bridge __strong id)(kCTCellMonitorRSRP)]];
        self.lblTxAntennas.text = [NSString stringWithFormat:@"SNR: %@ dB", data[(__bridge __strong id)(kCTCellMonitorSNR)]];
        int bw = [data[(__bridge __strong id)(kCTCellMonitorBandwidth)] intValue];

        if ([data[(__bridge __strong id)(kCTCellMonitorBandInfo)] isEqual:@41])
        {
            if ([data[(__bridge __strong id)(kCTCellMonitorMCC)] isEqual:@310] && [data[(__bridge __strong id)(kCTCellMonitorMNC)] isEqual:@120])
            {
                self.lblBandwidth.text = @"Type: TDD 1x20 MHz (Sprint)";
            }
            else self.lblBandwidth.text = @"Type: TDD 1x20 MHz (Clear)";
        }
        else self.lblBandwidth.text = [NSString stringWithFormat:@"Type: FDD %dx%d MHz", bw / 5, bw / 5];

        id CTConnection = _CTServerConnectionCreate(NULL, NULL, NULL);
        int CID;
        _CTServerConnectionGetCellID(CTConnection, &CID);

        NSString* CIDstring = [NSString stringWithFormat:@"%X", CID];

        NSInteger length = CIDstring.length;

        if (length < 8)
        {
            for (NSInteger i = length; i < 8; i++) CIDstring = [@"0" stringByAppendingString:CIDstring];
        }

        self.lblExtra1.text = [NSString stringWithFormat:@"GCI: %@", CIDstring];
        self.lblExtra2.text = [NSString stringWithFormat:@"PID: %@", data[(__bridge __strong id)(kCTCellMonitorPID)]];
        self.lblExtra3.text = [NSString stringWithFormat:@"EARFCN: %@", data[(__bridge __strong id)(kCTCellMonitorUARFCN)]];
        self.lblExtra4.text = [NSString stringWithFormat:@"TAC: %@", data[(__bridge __strong id)(kCTCellMonitorTAC)]];
    }
    else
    {
        self.lblSignal.text = @"";
        self.lblTxAntennas.text = @"";
        self.lblBandwidth.text = @"";
        self.lblExtra1.text = @"Unknown Connection Type";
        self.lblExtra2.text = @"";
        self.lblExtra3.text = @"";
    }

}
@end