iOS/tvOS Application Integration¶

//CocoaPods, SPM
#import "FTMobileSDK.h"
//Carthage
#import <FTMobileSDK/FTMobileSDK.h>

import FTMobileSDK

-(BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions{
    // SDK FTMobileConfig settings
     // Local environment deployment, Datakit deployment
     //FTMobileConfig *config = [[FTMobileConfig alloc]initWithDatakitUrl:datakitUrl];
     // Using public DataWay deployment
    FTMobileConfig *config = [[FTMobileConfig alloc]initWithDatawayUrl:datawayUrl clientToken:clientToken];
    config.enableSDKDebugLog = YES;
    //Start SDK
    [FTMobileAgent startWithConfigOptions:config];

   //...
    return YES;
}

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
     // SDK FTMobileConfig settings
       // Local environment deployment, Datakit deployment
       //let config = FTMobileConfig(datakitUrl: url)
       // Using public DataWay deployment
     let config = FTMobileConfig(datawayUrl: datawayUrl, clientToken: clientToken)
     config.enableSDKDebugLog = true
     FTMobileAgent.start(withConfigOptions: config)
     //...
     return true
}

    //Enable rum
    FTRumConfig *rumConfig = [[FTRumConfig alloc]initWithAppid:appid];
    rumConfig.samplerate = 80;
    rumConfig.enableTrackAppCrash = YES;
    rumConfig.enableTrackAppANR = YES;
    rumConfig.enableTrackAppFreeze = YES;
    rumConfig.enableTraceUserAction = YES;
    rumConfig.enableTraceUserView = YES;
    rumConfig.enableTraceUserResource = YES;
    rumConfig.errorMonitorType = FTErrorMonitorAll;
    rumConfig.deviceMetricsMonitorType = FTDeviceMetricsMonitorAll;
    rumConfig.monitorFrequency = FTMonitorFrequencyRare;
    [[FTMobileAgent sharedInstance] startRumWithConfigOptions:rumConfig];

    let rumConfig = FTRumConfig(appid: appid)
    rumConfig.enableTraceUserAction = true
    rumConfig.enableTrackAppANR = true
    rumConfig.enableTraceUserView = true
    rumConfig.enableTraceUserResource = true
    rumConfig.enableTrackAppCrash = true
    rumConfig.enableTrackAppFreeze = true
    rumConfig.errorMonitorType = .all
    rumConfig.deviceMetricsMonitorType = .all
    rumConfig.monitorFrequency = .rare
    FTMobileAgent.sharedInstance().startRum(withConfigOptions: rumConfig)

    //Enable logger
    FTLoggerConfig *loggerConfig = [[FTLoggerConfig alloc]init];
    loggerConfig.enableCustomLog = YES;
    loggerConfig.enableLinkRumData = YES;
    loggerConfig.logLevelFilter = @[@(FTStatusError),@(FTStatusCritical)];
    loggerConfig.discardType = FTDiscardOldest;
    [[FTMobileAgent sharedInstance] startLoggerWithConfigOptions:loggerConfig];

    let loggerConfig = FTLoggerConfig()
    loggerConfig.enableCustomLog = true
    loggerConfig.enableLinkRumData = true
    loggerConfig.logLevelFilter = [NSNumber(value: FTLogStatus.statusError.rawValue),NSNumber(value: FTLogStatus.statusCritical.rawValue)] // loggerConfig.logLevelFilter = [2,3]
    loggerConfig.discardType = .discardOldest
    FTMobileAgent.sharedInstance().startLogger(withConfigOptions: loggerConfig)

   //Enable trace
   FTTraceConfig *traceConfig = [[FTTraceConfig alloc]init];
   traceConfig.enableLinkRumData = YES;
   traceConfig.enableAutoTrace = YES;
   traceConfig.networkTraceType = FTNetworkTraceTypeDDtrace;
   [[FTMobileAgent sharedInstance] startTraceWithConfigOptions:traceConfig];

   let traceConfig = FTTraceConfig.init()
   traceConfig.enableLinkRumData = true
   traceConfig.enableAutoTrace = true
   FTMobileAgent.sharedInstance().startTrace(withConfigOptions: traceConfig)

/// Create a page
///
/// Call before the `-startViewWithName` method, this method records the page load time, if unable to obtain the load time, this method can be skipped.
/// - Parameters:
///  - viewName: Page name
///  - loadTime: Page load time (nanoseconds)
-(void)onCreateView:(NSString *)viewName loadTime:(NSNumber *)loadTime;

/// Enter the page
///
/// - Parameters:
///  - viewName: Page name
-(void)startViewWithName:(NSString *)viewName;

/// Enter the page
/// - Parameters:
///  - viewName: Page name
///  - property: Event custom attributes (optional)
-(void)startViewWithName:(NSString *)viewName property:(nullable NSDictionary *)property;

/// Leave the page
-(void)stopView;

/// Leave the page
/// - Parameter property: Event custom attributes (optional)
-(void)stopViewWithProperty:(nullable NSDictionary *)property;

/// Create a page
///
/// Call before the `-startViewWithName` method, this method records the page load time, if unable to obtain the load time, this method can be skipped.
/// - Parameters:
///  - viewName: Page name
///  - loadTime: Page load time (ns)
open func onCreateView(_ viewName: String, loadTime: NSNumber)

/// Enter the page
///
/// - Parameters:
///  - viewName: Page name
open func startView(withName viewName: String)

/// Enter the page
/// - Parameters:
///  - viewName: Page name
///  - property: Event custom attributes (optional)
open func startView(withName viewName: String, property: [AnyHashable : Any]?)

/// Leave the page
open func stopView()

/// Leave the page
/// - Parameter property: Event custom attributes (optional)
open func stopView(withProperty property: [AnyHashable : Any]?)

- (void)viewDidAppear:(BOOL)animated{
  [super viewDidAppear:animated];
  // Scenario 1:
  [[FTExternalDataManager sharedManager] startViewWithName:@"TestVC"];

  // Scenario 2: Dynamic parameters
  [[FTExternalDataManager sharedManager] startViewWithName:@"TestVC" property:@{@"custom_key":@"custom_value"}];
}
-(void)viewDidDisappear:(BOOL)animated{
  [super viewDidDisappear:animated];
  // Scenario 1:
  [[FTExternalDataManager sharedManager] stopView];

  // Scenario 2: Dynamic parameters
  [[FTExternalDataManager sharedManager] stopViewWithProperty:@{@"custom_key":@"custom_value"}];
}

override func viewDidAppear(_ animated: Bool) {
    super.viewDidAppear(animated)
    // Scenario 1:
    FTExternalDataManager.shared().startView(withName: "TestVC")
    // Scenario 2: Dynamic parameters
    FTExternalDataManager.shared().startView(withName: "TestVC",property: ["custom_key":"custom_value"])
}
override func viewDidDisappear(_ animated: Bool) {
    super.viewDidDisappear(animated)
    // Scenario 1:
    FTExternalDataManager.shared().stopView()
    // Scenario 2: Dynamic parameters
    FTExternalDataManager.shared().stopView(withProperty: ["custom_key":"custom_value"])
}

/// Start RUM Action.
///
/// RUM binds possible triggered Resource, Error, LongTask events to this Action. Avoid adding multiple times within 0.1 s, only one Action can be associated with the same View at the same time, newly added Actions will be discarded if the previous Action has not ended.
/// Does not affect Actions added via `addAction:actionType:property` method.
///
/// - Parameters:
///   - actionName: Event name
///   - actionType: Event type
///   - property: Event custom attributes (optional)
- (void)startAction:(NSString *)actionName actionType:(NSString *)actionType property:(nullable NSDictionary *)property;

/// Add Action event. No duration, no discard logic
///
/// Does not affect RUM Actions started via `startAction:actionType:property:` method.
/// - Parameters:
///   - actionName: Event name
///   - actionType: Event type
///   - property: Event custom attributes (optional)
- (void)addAction:(NSString *)actionName actionType:(NSString *)actionType property:(nullable NSDictionary *)property;

/// Start RUM Action.
///
/// RUM binds possible triggered Resource, Error, LongTask events to this Action. Avoid adding multiple times within 0.1 s, only one Action can be associated with the same View at the same time, newly added Actions will be discarded if the previous Action has not ended.
/// Does not affect Actions added via `addAction:actionType:property` method.
///
/// - Parameters:
///   - actionName: Event name
///   - actionType: Event type
///   - property: Event custom attributes (optional)
open func startAction(_ actionName: String, actionType: String, property: [AnyHashable : Any]?)

/// Add Action event. No duration, no discard logic
///
/// Does not affect RUM Actions started via `startAction:actionType:property:` method.
/// - Parameters:
///   - actionName: Event name
///   - actionType: Event type
///   - property: Event custom attributes (optional)
open func addAction(_ actionName: String, actionType: String, property: [AnyHashable : Any]?)

// startAction
[[FTExternalDataManager sharedManager] startAction:@"action" actionType:@"click" property:@{@"action_property":@"testActionProperty1"}];
// addAction
[[FTExternalDataManager sharedManager] addAction:@"action" actionType:@"click" property:@{@"action_property":@"testActionProperty1"}];

// startAction
FTExternalDataManager.shared().startAction("custom_action", actionType: "click",property: nil)
// addAction
FTExternalDataManager.shared().addAction("custom_action", actionType: "click",property: nil)

/// Add Error event
///
/// - Parameters:
///   - type: error type
///   - message: Error message
///   - stack: Stack information
- (void)addErrorWithType:(NSString *)type message:(NSString *)message stack:(NSString *)stack;

/// Add Error event
/// - Parameters:
///   - type: error type
///   - message: Error message
///   - stack: Stack information
///   - property: Event custom attributes (optional)
- (void)addErrorWithType:(NSString *)type message:(NSString *)message stack:(NSString *)stack property:(nullable NSDictionary *)property;

/// Add Error event
/// - Parameters:
///   - type: error type
///   - state: Program running state
///   - message: Error message
///   - stack: Stack information
///   - property: Event custom attributes (optional)
- (void)addErrorWithType:(NSString *)type state:(FTAppState)state  message:(NSString *)message stack:(NSString *)stack property:(nullable NSDictionary *)property;

/// Add Error event
///
/// - Parameters:
///   - type: error type
///   - message: Error message
///   - stack: Stack information
open func addError(withType: String, message: String, stack: String)

/// Add Error event
/// - Parameters:
///   - type: error type
///   - message: Error message
///   - stack: Stack information
///   - property: Event custom attributes (optional)
open func addError(withType: String, message: String, stack: String, property: [AnyHashable : Any]?)

/// Add Error event
/// - Parameters:
///   - type: error type
///   - state: Program running state
///   - message: Error message
///   - stack: Stack information
///   - property: Event custom attributes (optional)
open func addError(withType type: String, state: FTAppState, message: String, stack: String, property: [AnyHashable : Any]?)

// Scenario 1
[[FTExternalDataManager sharedManager] addErrorWithType:@"type" message:@"message" stack:@"stack"];
// Scenario 2: Dynamic parameters
[[FTExternalDataManager sharedManager] addErrorWithType:@"ios_crash" message:@"crash_message" stack:@"crash_stack" property:@{@"custom_key":@"custom_value"}];
// Scenario 3: Dynamic parameters
[[FTExternalDataManager sharedManager] addErrorWithType:@"ios_crash" state:FTAppStateUnknown message:@"crash_message" stack:@"crash_stack" property:@{@"custom_key":@"custom_value"}];

// Scenario 1
FTExternalDataManager.shared().addError(withType: "custom_type", message: "custom_message", stack: "custom_stack")
// Scenario 2: Dynamic parameters
FTExternalDataManager.shared().addError(withType: "custom_type", message: "custom_message", stack: "custom_stack",property: ["custom_key":"custom_value"])
// Scenario 3: Dynamic parameters
FTExternalDataManager.shared().addError(withType: "custom_type", state: .unknown, message: "custom_message", stack: "custom_stack", property: ["custom_key":"custom_value"])

/// Add Freeze event
///
/// - Parameters:
///   - stack: Freeze stack
///   - duration: Freeze duration (nanoseconds)
- (void)addLongTaskWithStack:(NSString *)stack duration:(NSNumber *)duration;

/// Add Freeze event
/// - Parameters:
///   - stack: Freeze stack
///   - duration: Freeze duration (nanoseconds)
///   - property: Event custom attributes (optional)
- (void)addLongTaskWithStack:(NSString *)stack duration:(NSNumber *)duration property:(nullable NSDictionary *)property;

/// Add Freeze event
///
/// - Parameters:
///   - stack: Freeze stack
///   - duration: Freeze duration (nanoseconds)
func addLongTask(withStack: String, duration: NSNumber)

/// Add Freeze event
/// - Parameters:
///   - stack: Freeze stack
///   - duration: Freeze duration (nanoseconds)
///   - property: Event custom attributes (optional)
func addLongTask(withStack: String, duration: NSNumber, property: [AnyHashable : Any]?)

// Scenario 1
[[FTExternalDataManager sharedManager] addLongTaskWithStack:@"stack string" duration:@1000000000];
// Scenario 2: Dynamic parameters
[[FTExternalDataManager sharedManager] addLongTaskWithStack:@"stack string" duration:@1000000000 property:@{@"custom_key":@"custom_value"}];

// Scenario 1
FTExternalDataManager.shared().addLongTask(withStack: "stack string", duration: 1000000000)
// Scenario 2: Dynamic parameters
FTExternalDataManager.shared().addLongTask(withStack: "stack string", duration: 1000000000 ,property: [["custom_key":"custom_value"]])

/// HTTP request starts
///
/// - Parameters:
///   - key: Request identifier
- (void)startResourceWithKey:(NSString *)key;
/// HTTP request starts
/// - Parameters:
///   - key: Request identifier
///   - property: Event custom attributes (optional)
- (void)startResourceWithKey:(NSString *)key property:(nullable NSDictionary *)property;

/// HTTP adds request data
///
/// - Parameters:
///   - key: Request identifier
///   - metrics: Request-related performance attributes
///   - content: Request-related data
- (void)addResourceWithKey:(NSString *)key metrics:(nullable FTResourceMetricsModel *)metrics content:(FTResourceContentModel *)content;
/// HTTP request ends
///
/// - Parameters:
///   - key: Request identifier
- (void)stopResourceWithKey:(NSString *)key;
/// HTTP request ends
/// - Parameters:
///   - key: Request identifier
///   - property: Event custom attributes (optional)
- (void)stopResourceWithKey:(NSString *)key property:(nullable NSDictionary *)property;

/// HTTP request starts
///
/// - Parameters:
///   - key: Request identifier
open func startResource(withKey key: String)

/// HTTP requeststarts
/// - Parameters:
///   - key: Request identifier
///   - property: Event custom attributes (optional)
open func startResource(withKey key: String, property: [AnyHashable : Any]?)

/// HTTP request ends
///
/// - Parameters:
///   - key: Request identifier
open func stopResource(withKey key: String)

/// HTTP request ends
/// - Parameters:
///   - key: Request identifier
///   - property: Event custom attributes (optional)
open func stopResource(withKey key: String, property: [AnyHashable : Any]?)

/// HTTP adds request data
///
/// - Parameters:
///   - key: Request identifier
///   - metrics: Request-related performance attributes
///   - content: Request-related data
open func addResource(withKey key: String, metrics: FTResourceMetricsModel?, content: FTResourceContentModel)

// Step 1: Before the request starts
[[FTExternalDataManager sharedManager] startResourceWithKey:key];

// Step 2: After the request completes
[[FTExternalDataManager sharedManager] stopResourceWithKey:key];

// Step 3: Concatenate Resource data
// FTResourceContentModel Data
FTResourceContentModel *content = [[FTResourceContentModel alloc]init];
content.httpMethod = request.HTTPMethod;
content.requestHeader = request.allHTTPHeaderFields;
content.responseHeader = httpResponse.allHeaderFields;
content.httpStatusCode = httpResponse.statusCode;
content.responseBody = responseBody;
// ios native
content.error = error;

// If able to obtain time data for each stage
// FTResourceMetricsModel
// For ios native obtaining NSURLSessionTaskMetrics data directly use FTResourceMetricsModel's initialization method
FTResourceMetricsModel *metricsModel = [[FTResourceMetricsModel alloc]initWithTaskMetrics:metrics];

// For other platforms all time data in nanoseconds
FTResourceMetricsModel *metricsModel = [[FTResourceMetricsModel alloc]init];

// Step 4: Add resource if no time data metrics pass nil
[[FTExternalDataManager sharedManager] addResourceWithKey:key metrics:metricsModel content:content];

// Step 1: Before the request starts
FTExternalDataManager.shared().startResource(withKey: key)

// Step 2: After the request completes
FTExternalDataManager.shared().stopResource(withKey: resource.key)

// Step 3: ① Concatenate Resource data
let contentModel = FTResourceContentModel(request: task.currentRequest!, response: task.response as? HTTPURLResponse, data: resource.data, error: error)

// ② If able to obtain time data for each stage
// FTResourceMetricsModel
// For ios native obtaining NSURLSessionTaskMetrics data directly use FTResourceMetricsModel's initialization method
var metricsModel:FTResourceMetricsModel?
if let metrics = resource.metrics {
   metricsModel = FTResourceMetricsModel(taskMetrics:metrics)
}
// For other platforms all time data in nanoseconds
metricsModel = FTResourceMetricsModel()
...

// Step 4: Add resource if no time data metrics pass nil
FTExternalDataManager.shared().addResource(withKey: resource.key, metrics: metricsModel, content: contentModel)

//  FTMobileAgent.h
//  FTMobileSDK

/// Log reporting
/// @param content Log content, can be json string
/// @param status  Event level and status
-(void)logging:(NSString *)content status:(FTStatus)status;

/// Log reporting
/// @param content Log content, can be json string
/// @param status  Event level and status
/// @param property Event attributes
-(void)logging:(NSString *)content status:(FTLogStatus)status property:(nullable NSDictionary *)property;

//
//  FTLogger.h
//  FTMobileSDK

/// Add custom info log
/// - Parameters:
///   - content: Log content
///   - property: Custom attributes (optional)
-(void)info:(NSString *)content property:(nullable NSDictionary *)property;

/// Add custom warning log
/// - Parameters:
///   - content: Log content
///   - property: Custom attributes (optional)
-(void)warning:(NSString *)content property:(nullable NSDictionary *)property;

/// Add custom error log
/// - Parameters:
///   - content: Log content
///   - property: Custom attributes (optional)
-(void)error:(NSString *)content  property:(nullable NSDictionary *)property;

/// Add custom critical log
/// - Parameters:
///   - content: Log content
///   - property: Custom attributes (optional)
-(void)critical:(NSString *)content property:(nullable NSDictionary *)property;

/// Add custom ok log
/// - Parameters:
///   - content: Log content
///   - property: Custom attributes (optional)
-(void)ok:(NSString *)content property:(nullable NSDictionary *)property;

open class FTMobileAgent : NSObject {
/// Add custom log
///
/// - Parameters:
///   - content: Log content, can be json string
///   - status: Event level and status
open func logging(_ content: String, status: FTLogStatus)

/// Add custom log
/// - Parameters:
///   - content: Log content, can be json string
///   - status: Event level and status
///   - property: Event custom attributes (optional)
open func logging(_ content: String, status: FTLogStatus, property: [AnyHashable : Any]?)
}

```swift
open class FTLogger : NSObject, FTLoggerProtocol {}
public protocol FTLoggerProtocol : NSObjectProtocol {
/// Add custom info log
/// - Parameters:
///   - content: Log content
///   - property: Custom attributes (optional)
optional func info(_ content: String, property: [AnyHashable : Any]?)

/// Add custom warning log
/// - Parameters:
///   - content: Log content
///   - property: Custom attributes (optional)
optional func warning(_ content: String, property: [AnyHashable : Any]?)

/// Add custom error log
/// - Parameters:
///   - content: Log content
///   - property: Custom attributes (optional)
optional func error(_ content: String, property: [AnyHashable : Any]?)

/// Add custom critical log
/// - Parameters:
///   - content: Log content
///   - property: Custom attributes (optional)
optional func critical(_ content: String, property: [AnyHashable : Any]?)

/// Add custom ok log
/// - Parameters:
///   - content: Log content
///   - property: Custom attributes (optional)
optional func ok(_ content: String, property: [AnyHashable : Any]?)
}

/// Event level and status, default: FTStatusInfo
typedef NS_ENUM(NSInteger, FTLogStatus) {
    /// Information
    FTStatusInfo         = 0,
    /// Warning
    FTStatusWarning,
    /// Error
    FTStatusError,
    /// Critical
    FTStatusCritical,
    /// Recovery
    FTStatusOk,
};

/// Event level and status, default: FTStatusInfo
public enum FTLogStatus : Int, @unchecked Sendable {
    /// Information
    case statusInfo = 0
    /// Warning
    case statusWarning = 1
    /// Error
    case statusError = 2
    /// Critical
    case statusCritical = 3
    /// Recovery
    case statusOk = 4
}

// Method one: Through FTMobileAgent
// Note: Ensure that the SDK has been initialized successfully when using, otherwise it will cause a crash due to assertion failure in test environments.
[[FTMobileAgent sharedInstance] logging:@"test_custom" status:FTStatusInfo];

// Method two: Through FTLogger (recommended)
// If the SDK is not initialized successfully, calling methods in FTLogger to add custom logs will fail but there won't be an assertion failure causing a crash.
[[FTLogger sharedInstance] info:@"test" property:@{@"custom_key":@"custom_value"}];

// Method one: Through FTMobileAgent
// Note: Ensure that the SDK has been initialized successfully when using, otherwise it will cause a crash due to assertion failure in test environments.
FTMobileAgent.sharedInstance().logging("contentStr", status: .statusInfo, property:["custom_key":"custom_value"])

// Method two: Through FTLogger (recommended)
// If the SDK is not initialized successfully, calling methods in FTLogger to add custom logs will fail but there won't be an assertion failure causing a crash.
FTLogger.shared().info("contentStr", property: ["custom_key":"custom_value"])

NSString *key = [[NSUUID UUID]UUIDString];
NSURL *url = [NSURL URLWithString:@"http://www.baidu.com"];
// Manual operation required: Get traceHeader before the request and add it to the request header
NSDictionary *traceHeader = [[FTTraceManager sharedInstance] getTraceHeaderWithKey:key url:url];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
if (traceHeader && traceHeader.allKeys.count>0) {
    [traceHeader enumerateKeysAndObjectsUsingBlock:^(id field, id value, BOOL * __unused stop) {
        [request setValue:value forHTTPHeaderField:field];
    }];
}
NSURLSession *session=[NSURLSession sessionWithConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration] delegate:self delegateQueue:[NSOperationQueue mainQueue]];

NSURLSessionTask *task = [session dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
   // Your code
}];

[task resume];

let url:URL = NSURL.init(string: "https://www.google.com")! as URL
if let traceHeader = FTExternalDataManager.shared().getTraceHeader(withKey: NSUUID().uuidString, url: url) {
     let request = NSMutableURLRequest(url: url)
     // Manual operation required: Get traceHeader before the request and add it to the request header
     for (a,b) in traceHeader {
         request.setValue(b as? String, forHTTPHeaderField: a as! String)
     }
     let task = URLSession.shared.dataTask(with: request as URLRequest) {  data,  response,  error in
        // Your code
     }
     task.resume()
}

id<NSURLSessionDelegate> delegate = [[FTURLSessionDelegate alloc]init];
// Add custom RUM resource attributes, suggest adding project abbreviation prefix to tag names, such as `df_tag_name`.
delegate.provider = ^NSDictionary * _Nullable(NSURLRequest *request, NSURLResponse *response, NSData *data, NSError *error) {
                NSString *body = [[NSString alloc] initWithData:request.HTTPBody encoding:NSUTF8StringEncoding];
                return @{@"df_requestbody":body};
            };
// Support custom trace, return TraceContext upon confirmation of interception, return nil if not intercepted
delegate.traceInterceptor = ^FTTraceContext * _Nullable(NSURLRequest *request) {
        FTTraceContext *context = [FTTraceContext new];
        context.traceHeader = @{@"trace_key":@"trace_value"};
        context.traceId = @"trace_id";
        context.spanId = @"span_id";
        return context;
    };
NSURLSession *session = [NSURLSession sessionWithConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration] delegate:delegate delegateQueue:nil];

let delegate = FTURLSessionDelegate.init()
// Add custom RUM resource attributes, suggest adding project abbreviation prefix to tag names, such as `df_tag_name`.
delegate.provider = { request,response,data,error in
            var extraData:Dictionary<String, Any> = Dictionary()
            if let data = data,let requestBody = String(data: data, encoding: .utf8) {
                extraData["df_requestBody"] = requestBody
            }
            if let error = error {
                extraData["df_error"] = error.localizedDescription
            }
            return extraData
        }
// Support custom trace, return TraceContext upon confirmation of interception, return nil if not intercepted
delegate.traceInterceptor = { request in
            let traceContext = FTTraceContext()
            traceContext.traceHeader = ["trace_key":"trace_value"]
            traceContext.spanId = "spanId"
            traceContext.traceId = "traceId"
            return traceContext
        }
let session =  URLSession.init(configuration: URLSessionConfiguration.default, delegate:delegate
, delegateQueue: nil)

@interface InstrumentationInheritClass:FTURLSessionDelegate
@property (nonatomic, strong) NSURLSession *session;
@end
@implementation InstrumentationInheritClass
-(instancetype)init{
    self = [super init];
    if(self){
        _session = [NSURLSession sessionWithConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration] delegate:self delegateQueue:nil];
        // Add custom RUM resource attributes, suggest adding project abbreviation prefix to tag names, such as `df_tag_name`.
        self.provider = ^NSDictionary * _Nullable(NSURLRequest *request, NSURLResponse *response, NSData *data, NSError *error) {
        NSString *body = [[NSString alloc] initWithData:request.HTTPBody encoding:NSUTF8StringEncoding];
        return @{@"df_requestbody":body};
    };
        // Support custom trace, return TraceContext upon confirmation of interception, return nil if not intercepted
       self.traceInterceptor = ^FTTraceContext * _Nullable(NSURLRequest *request) {
        FTTraceContext *context = [FTTraceContext new];
        context.traceHeader = @{@"trace_key":@"trace_value"};
        context.traceId = @"trace_id";
        context.spanId = @"span_id";
        return context;
       };
    }
    return self;
}
-(void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task didFinishCollectingMetrics:(NSURLSessionTaskMetrics *)metrics{
    // Must call the superclass method
    [super URLSession:session task:task didFinishCollectingMetrics:metrics];
    // Your own logic
    // ......
}
@end

class InheritHttpEngine:FTURLSessionDelegate {
    var session:URLSession?
    override init(){
        session = nil
        super.init()
        let configuration = URLSessionConfiguration.default
        configuration.timeoutIntervalForRequest = 30
        session = URLSession.init(configuration: configuration, delegate:self
, delegateQueue: nil)
        override init() {
        super.init()
        // Add custom RUM resource attributes, suggest adding project abbreviation prefix to tag names, such as `df_tag_name`.
        provider = { request,response,data,error in
            var extraData:Dictionary<String, Any> = Dictionary()
            if let data = data,let requestBody = String(data: data, encoding: .utf8) {
                extraData["df_requestBody"] = requestBody
            }
            if let error = error {
                extraData["df_error"] = error.localizedDescription
            }
            return extraData
        }
        // Support custom trace, return TraceContext upon confirmation of interception, return nil if not intercepted
        traceInterceptor = { request in
            let traceContext = FTTraceContext()
            traceContext.traceHeader = ["trace_key":"trace_value"]
            traceContext.spanId = "spanId"
            traceContext.traceId = "traceId"
            return traceContext
        }
    }
    }

    override func urlSession(_ session: URLSession, task: URLSessionTask, didFinishCollecting metrics: URLSessionTaskMetrics) {
        // Must call the superclass method
        super.urlSession(session, task: task, didFinishCollecting: metrics)
        // User's own logic
        // ......
    }
}

@interface UserURLSessionDelegateClass:NSObject<NSURLSessionDataDelegate,FTURLSessionDelegateProviding>
@end
@implementation UserURLSessionDelegateClass
@synthesize ftURLSessionDelegate = _ftURLSessionDelegate;

- (nonnull FTURLSessionDelegate *)ftURLSessionDelegate {
    if(!_ftURLSessionDelegate){
        _ftURLSessionDelegate = [[FTURLSessionDelegate alloc]init];
         // Add custom RUM resource attributes, suggest adding project abbreviation prefix to tag names, such as `df_tag_name`.
        _ftURLSessionDelegate.provider =  ^NSDictionary * _Nullable(NSURLRequest *request, NSURLResponse *response, NSData *data, NSError *error) {
                NSString *body = [[NSString alloc] initWithData:request.HTTPBody encoding:NSUTF8StringEncoding];
                return @{@"df_requestbody":body};
            };
          // Support custom trace, return TraceContext upon confirmation of interception, return nil if not intercepted
        _ftURLSessionDelegate.requestInterceptor = ^NSURLRequest * _Nonnull(NSURLRequest * _Nonnull request) {
            NSDictionary *traceHeader = [[FTExternalDataManager sharedManager] getTraceHeaderWithUrl:request.URL];
            NSMutableURLRequest *newRequest = [request mutableCopy];
            if(traceHeader){
                for (NSString *key in traceHeader.allKeys) {
                    [newRequest setValue:traceHeader[key] forHTTPHeaderField:key];
                }
            }
            return newRequest;
        };
    }
    return _ftURLSessionDelegate;
}
- (void)URLSession:(NSURLSession *)session dataTask:(NSURLSessionDataTask *)dataTask didReceiveData:(NSData *)data{
    [self.ftURLSessionDelegate URLSession:session dataTask:dataTask didReceiveData:data];
}
- (void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task didCompleteWithError:(NSError *)error{
    [self.ftURLSessionDelegate URLSession:session task:task didCompleteWithError:error];
}
-(void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task didFinishCollectingMetrics:(NSURLSessionTaskMetrics *)metrics{
    [self.ftURLSessionDelegate URLSession:session task:task didFinishCollectingMetrics:metrics];
}
@end

class HttpEngine:NSObject,URLSessionDataDelegate,FTURLSessionDelegateProviding {
    var ftURLSessionDelegate: FTURLSessionDelegate = FTURLSessionDelegate()
    var session:URLSession?

    override init(){
        session = nil
        super.init()
        let configuration = URLSessionConfiguration.default
        configuration.timeoutIntervalForRequest = 30
        session = URLSession.init(configuration: configuration, delegate:self, delegateQueue: nil)
        // Add custom RUM resource attributes, suggest adding project abbreviation prefix to tag names, such as `df_tag_name`.
        ftURLSessionDelegate.provider = { request,response,data,error in
            var extraData:Dictionary<String, Any> = Dictionary()
            if let data = data,let requestBody = String(data: data, encoding: .utf8) {
                extraData["df_requestBody"] = requestBody
            }
            if let error = error {
                extraData["df_error"] = error.localizedDescription
            }
            return extraData
        }
        // Support custom trace, return TraceContext upon confirmation of interception, return nil if not intercepted
        ftURLSessionDelegate.traceInterceptor = { request in
            let traceContext = FTTraceContext()
            traceContext.traceHeader = ["trace_key":"trace_value"]
            traceContext.spanId = "spanId"
            traceContext.traceId = "traceId"
            return traceContext
        }
    }
    // Below methods must be implemented
    func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, didReceive data: Data) {
        ftURLSessionDelegate.urlSession(session, dataTask: dataTask, didReceive: data)
    }

    func urlSession(_ session: URLSession, task: URLSessionTask, didFinishCollecting metrics: URLSessionTaskMetrics) {
        ftURLSessionDelegate.urlSession(session, task: task, didFinishCollecting: metrics)
    }

    func urlSession(_ session: URLSession, task: URLSessionTask, didCompleteWithError error: Error?) {
        ftURLSessionDelegate.urlSession(session, task: task, didCompleteWithError: error)
    }
}

/// Bind user information
///
/// - Parameters:
///   - Id: User ID
- (void)bindUserWithUserID:(NSString *)userId;

/// Bind user information
///
/// - Parameters:
///   - Id: User ID
///   - userName: User name
///   - userEmailL: User email
- (void)bindUserWithUserID:(NSString *)Id userName:(nullable NSString *)userName userEmail:(nullable NSString *)userEmail;

/// Bind user information
///
/// - Parameters:
///   - Id: User ID
///   - userName: User name
///   - userEmail: User email
///   - extra: Extra user information
- (void)bindUserWithUserID:(NSString *)Id userName:(nullable NSString *)userName userEmail:(nullable NSString *)userEmail extra:(nullable NSDictionary *)extra;

/// Unbind current user
- (void)unbindUser;

/// Bind user information
///
/// - Parameters:
///   - Id: User ID
open func bindUser(withUserID userId: String)

/// Bind user information
///
/// - Parameters:
///   - Id: User ID
///   - userName: User name
///   - userEmailL: User email
open func bindUser(withUserID Id: String, userName: String?, userEmail: String?)

/// Bind user information
///
/// - Parameters:
///   - Id: User ID
///   - userName: User name
///   - userEmail: User email
///   - extra: Extra user information
open func bindUser(withUserID Id: String, userName: String?, userEmail: String?, extra: [AnyHashable : Any]?)

/// Unbind current user
open func unbindUser()

// Can call this method after successful user login to bind user information
[[FTMobileAgent sharedInstance] bindUserWithUserID:USERID];
// or
[[FTMobileAgent sharedInstance] bindUserWithUserID:USERID userName:USERNAME userEmail:USEREMAIL];
// or
[[FTMobileAgent sharedInstance] bindUserWithUserID:USERID userName:USERNAME userEmail:USEREMAIL extra:@{EXTRA_KEY:EXTRA_VALUE}];

// Can call this method after user logout to unbind user information
[[FTMobileAgent sharedInstance] unbindUser];

// Can call this method after successful user login to bind user information
FTMobileAgent.sharedInstance().bindUser(withUserID: USERID)
// or
FTMobileAgent.sharedInstance().bindUser(withUserID: USERID, userName: USERNAME, userEmail: USEREMAIL)
// or
FTMobileAgent.sharedInstance().bindUser(withUserID: USERID, userName: USERNAME, userEmail: USEREMAIL,extra:[EXTRA_KEY:EXTRA_VALUE])

// Can call this method after user logout to unbind user information
FTMobileAgent.sharedInstance().unbindUser()

/// Close running objects within the SDK
+ (void)shutDown;

/// Close running objects within the SDK
open class func shutDown()

// If dynamically changing SDK configurations, need to close first to avoid incorrect data generation
[FTMobileAgent  shutDown];

// If dynamically changing SDK configurations, need to close first to avoid incorrect data generation
FTMobileAgent.shutDown()

/// Clear all data yet to be uploaded to the server
+ (void)clearAllData;

/// Clear all data yet to be uploaded to the server
open class func clearAllData()

[FTMobileAgent clearAllData];

FTMobileAgent.clearAllData()

/// Actively synchronize data
- (void)flushSyncData;

/// Actively synchronize data
func flushSyncData()

[[FTMobileAgent sharedInstance] flushSyncData];

// If dynamically changing SDK configurations, need to close first to avoid incorrect data generation
FTMobileAgent.sharedInstance().flushSyncData()

/// Add global tags for SDK, applicable to RUM and Log data
/// - Parameter context: Custom data
+ (void)appendGlobalContext:(NSDictionary <NSString*,id>*)context;

/// Add custom tags for RUM, applicable to RUM data
/// - Parameter context: Custom data
+ (void)appendRUMGlobalContext:(NSDictionary <NSString*,id>*)context;

/// Add global tags for Log, applicable to Log data
/// - Parameter context: Custom data
+ (void)appendLogGlobalContext:(NSDictionary <NSString*,id>*)context;

/// Add global tags for SDK, applicable to RUM and Log data
/// - Parameter context: Custom data
open class func appendGlobalContext(_ context: [String : Any])

/// Add custom tags for RUM, applicable to RUM data
/// - Parameter context: Custom data
open class func appendRUMGlobalContext(_ context: [String : Any])

/// Add global tags for Log, applicable to Log data
/// - Parameter context: Custom data
open class func appendLogGlobalContext(_ context: [String : Any])

[FTMobileAgent  appendGlobalContext:@{@"global_key":@"global_value"}];
[FTMobileAgent  appendLogGlobalContext:@{@"log_key":@"log_value"}];
[FTMobileAgent  appendRUMGlobalContext:@{@"rum_key":@"rum_value"}];

let globalContext = ["global_key":"global_value"]
FTMobileAgent.appendGlobalContext(globalContext)
let rumGlobalContext = = ["rum_key":"rum_value"]
FTMobileAgent.appendRUMGlobalContext(rumGlobalContext)
let logGlobalContext = = ["log_key":"log_value"]
FTMobileAgent.appendLogGlobalContext(logGlobalContext)