[iOS] NR-178366: Log reporting

Agent.xcodeproj/project.pbxproj

@@ -932,6 +932,8 @@
 		2BA9CA45280DF87A00FDCD00 /* NRMAHarvesterConnection+GZip.m in Sources */ = {isa = PBXBuildFile; fileRef = 2BA9CA42280DF87A00FDCD00 /* NRMAHarvesterConnection+GZip.m */; };
 		2BA9CA46280DF87A00FDCD00 /* NRMAHarvesterConnection+GZip.m in Sources */ = {isa = PBXBuildFile; fileRef = 2BA9CA42280DF87A00FDCD00 /* NRMAHarvesterConnection+GZip.m */; };
 		2BBBE70E28BD528F003CADF3 /* NRMAStartTimerTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 2BBBE70D28BD528F003CADF3 /* NRMAStartTimerTests.m */; };
+		2BCA57B42B7E85AD00991C5E /* NRLoggerTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 2BCA57B32B7E85AD00991C5E /* NRLoggerTests.m */; };
+		2BCA57B52B7E85AD00991C5E /* NRLoggerTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 2BCA57B32B7E85AD00991C5E /* NRLoggerTests.m */; };
 		2BDCA8A42A8C40D50005740D /* NRMASAM.h in Headers */ = {isa = PBXBuildFile; fileRef = 2BDCA8A32A8C40D50005740D /* NRMASAM.h */; };
 		2BDCA8A52A8C40D50005740D /* NRMASAM.h in Headers */ = {isa = PBXBuildFile; fileRef = 2BDCA8A32A8C40D50005740D /* NRMASAM.h */; };
 		2BDCA8AA2A8C41160005740D /* NRMASAM.mm in Sources */ = {isa = PBXBuildFile; fileRef = 2BDCA8A92A8C41160005740D /* NRMASAM.mm */; };
@@ -1900,6 +1902,8 @@
 		2BA9CA42280DF87A00FDCD00 /* NRMAHarvesterConnection+GZip.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "NRMAHarvesterConnection+GZip.m"; sourceTree = "<group>"; };
 		2BBBE6FA28BD528F003CADF3 /* NRMAStartTimerTests.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = NRMAStartTimerTests.h; sourceTree = "<group>"; };
 		2BBBE70D28BD528F003CADF3 /* NRMAStartTimerTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = NRMAStartTimerTests.m; sourceTree = "<group>"; };
+		2BCA579F2B7E85AD00991C5E /* NRLoggerTests.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = NRLoggerTests.h; sourceTree = "<group>"; };
+		2BCA57B32B7E85AD00991C5E /* NRLoggerTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = NRLoggerTests.m; sourceTree = "<group>"; };
 		2BDCA8A32A8C40D50005740D /* NRMASAM.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = NRMASAM.h; sourceTree = "<group>"; };
 		2BDCA8A92A8C41160005740D /* NRMASAM.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = NRMASAM.mm; sourceTree = "<group>"; };
 		2BDCA8B02A8C43040005740D /* NRMASAMTest.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = NRMASAMTest.mm; sourceTree = "<group>"; };
@@ -2341,6 +2345,8 @@
 				0209AC7524E7392E00E45C90 /* NewRelicNonJenkinsTests-Bridging-Header.h */,
 				0209AC7124E7392E00E45C90 /* NRCPUVitalsTest.h */,
 				0209AC8224E7393100E45C90 /* NRCPUVitalsTest.m */,
+				2BCA579F2B7E85AD00991C5E /* NRLoggerTests.h */,
+				2BCA57B32B7E85AD00991C5E /* NRLoggerTests.m */,
 				0209AC7924E7392F00E45C90 /* NRCustomMetricsTests.h */,
 				0209AC8624E7393200E45C90 /* NRCustomMetricsTests.m */,
 				0209AC8B24E7393300E45C90 /* NRMA_Swift_Trouble_Class.h */,
@@ -4363,6 +4369,7 @@
 				0209AC3F24E7075200E45C90 /* NRHarvesterStateTest.m in Sources */,
 				0209AC2F24E7073800E45C90 /* NRMAHarvestableHTTPReqeustTests.m in Sources */,
 				0209ABD724E706AE00E45C90 /* TestHexUploader.m in Sources */,
+				2BCA57B42B7E85AD00991C5E /* NRLoggerTests.m in Sources */,
 				0209AC2924E7071F00E45C90 /* NRMeasurementPoolTest.m in Sources */,
 				0209AC0324E7070900E45C90 /* NRMASessionExclusivityWithDelegateTests.m in Sources */,
 				0209AC8E24E7393300E45C90 /* NRThreadTest.m in Sources */,
@@ -4600,6 +4607,7 @@
 				2B40F4FF28BEB95E00EAD248 /* NRMAStartTimerTests.m in Sources */,
 				025657FC24EB19BF00FE3125 /* TestUITableViewInstrumentation.m in Sources */,
 				025657FD24EB19BF00FE3125 /* TestHexUploadPublisher.mm in Sources */,
+				2BCA57B52B7E85AD00991C5E /* NRLoggerTests.m in Sources */,
 				025657FE24EB19BF00FE3125 /* NRMetricTests.m in Sources */,
 				025657FF24EB19BF00FE3125 /* TestSessionIdentifierManger.m in Sources */,
 				343883572834405700B31C2E /* NRMAURLTransformerTests.m in Sources */,

Agent/CrashHandler/NRMACrashDataUploader.m

@@ -124,7 +124,7 @@ - (void) uploadFileAtPath:(NSURL*)path
     // Get the size in bytes of the crash report to be uploaded via below uploadTaskWithRequest:fromFile call.
     __block NSData* reqData = [NSData dataWithContentsOfURL:path options:0 error:nil];
     NSURLRequest* request = [self buildPost];
-    
+
     if ([reqData length] > kNRMAMaxPayloadSizeLimit) {
         NRLOG_ERROR(@"Unable to upload crash log because payload is larger than 1 MB, discarding crash report");
         [NRMASupportMetricHelper enqueueMaxPayloadSizeLimitMetric:@"mobile_crash"];
@@ -133,16 +133,18 @@ - (void) uploadFileAtPath:(NSURL*)path
         __NRMACrashDataUploaderInProgressRequestCount = __NRMACrashDataUploaderInProgressRequestCount - 1;
 
         return;
-   }
-
+    }
+
+    NRLOG_VERBOSE(@"NEWRELIC CRASH UPLOADER - Perform crash upload");
+
     [[self.uploadSession uploadTaskWithRequest:request fromFile:path completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable responseError) {
         __NRMACrashDataUploaderInProgressRequestCount = __NRMACrashDataUploaderInProgressRequestCount - 1;
 
         NRLOG_VERBOSE(@"NEWRELIC CRASH UPLOADER - Crash Upload Response: %@", response);
         if(responseError) {
             NRLOG_ERROR(@"NEWRELIC CRASH UPLOADER - Crash Upload Response Error: %@", responseError);
         }
-        
+
         if ([response isKindOfClass:[NSHTTPURLResponse class]]) {
 
             unsigned long long requestLength = [reqData length];
@@ -200,7 +202,7 @@ - (BOOL) shouldUploadFileWithUniqueIdentifier:(NSString*)key {
     if (value.integerValue > kNRMAMaxCrashUploadRetry) {
         [self stopTrackingFileUploadWithUniqueIdentifier:key];
 
-        
+
         return NO;
     }
 

Agent/FeatureFlags/NRMAFlags.m

@@ -167,8 +167,7 @@ + (BOOL) shouldEnableOfflineStorage {
 }
 
 + (BOOL) shouldEnableLogReporting {
-    return NO;
-    //return ([NRMAFlags featureFlags] & NRFeatureFlag_LogReporting) != 0;
+    return ([NRMAFlags featureFlags] & NRFeatureFlag_LogReporting) != 0;
 }
 + (BOOL) shouldEnableNewEventSystem {
     return ([NRMAFlags featureFlags] & NRFeatureFlag_NewEventSystem) != 0;
@@ -226,11 +225,9 @@ + (BOOL) shouldEnableNewEventSystem {
     if ((flags & NRFeatureFlag_OfflineStorage) == NRFeatureFlag_OfflineStorage) {
         [retArray addObject:@"OfflineStorage"];
     }
-
-    // NOTE: Temporarily removed NRFeatureFlag_LogReporting
-//    if ((flags & NRFeatureFlag_LogReporting) == NRFeatureFlag_LogReporting) {
-//        [retArray addObject:@"LogReporting"];
-//    }
+    if ((flags & NRFeatureFlag_LogReporting) == NRFeatureFlag_LogReporting) {
+        [retArray addObject:@"LogReporting"];
+    }
     if ((flags & NRFeatureFlag_NewEventSystem) == NRFeatureFlag_NewEventSystem) {
         [retArray addObject:@"NewEventSystem"];
     }

Agent/HandledException/NRMAHexUploader.m

@@ -106,7 +106,7 @@ - (void)  URLSession:(NSURLSession*)session
         }
         [self handledErroredRequest:task.originalRequest];
     } else {
-        NRLOG_ERROR(@"NEWRELIC HEX UPLOADER - Handled exception upload completed successfully");
+        NRLOG_VERBOSE(@"NEWRELIC HEX UPLOADER - Handled exception upload completed successfully");
     }
 }
 

Agent/Harvester/DataStore/NRMAAgentConfiguration.h

@@ -11,17 +11,20 @@
 
 @class NRMAAppToken;
 
+// Collector Hosts.
 #define kNRMA_DEFAULT_COLLECTOR_HOST         @"mobile-collector.newrelic.com"
 #define kNRMA_DEFAULT_CRASH_COLLECTOR_HOST   @"mobile-crash.newrelic.com"
 #define kNRMA_FEDRAMP_COLLECTOR_HOST         @"gov-mobile-collector.newrelic.com"
 #define KNRMA_FEDRAMP_CRASH_COLLECTOR_HOST   @"gov-mobile-crash.newrelic.com"
 #define kNRMA_REGION_SPECIFIC_COLLECTOR_HOST @"mobile-collector.%@.nr-data.net"
 #define kNRMA_REGION_SPECIFIC_CRASH_HOST     @"mobile-crash.%@.nr-data.net"
 
-#define kNRMA_DEFAULT_LOGGING_HOST           @"log-api.newrelic.com"
-#define kNRMA_REGION_SPECIFIC_LOGGING_HOST   @"log-api.%@.newrelic.com"
-#define kNRMA_STAGING_LOGGING_HOST           @"staging-log-api.newrelic.com"
-#define kNRMA_FEDRAMP_LOGGING_HOST           @"gov-log-api.newrelic.com"
+// Logging Hosts.
+#define kNRMA_DEFAULT_LOGGING_HOST           @"mobile-collector.newrelic.com"
+#define kNRMA_REGION_SPECIFIC_LOGGING_HOST   @"mobile-collector.%@.nr-data.net"
+#define kNRMA_STAGING_LOGGING_HOST           @"staging-mobile-collector.newrelic.com"
+#define kNRMA_FEDRAMP_LOGGING_HOST           @"gov-mobile-collector.newrelic.com"
+#define kNRMA_STAGING_FEDRAMP_LOGGING_HOST   @"gov-staging-mobile-collector.newrelic"
 
 @interface NRMAAgentConfiguration : NSObject
 

Agent/Harvester/DataStore/NRMAAgentConfiguration.m

@@ -127,25 +127,30 @@ - (void) setCrashCollectorHost:(NSString*)host {
 }
 
 - (void) setLoggingURL {
-    if (![NRMAFlags shouldEnableLogReporting]) { return; }
-
     if (self.applicationToken.regionCode.length) {
         _loggingURL = [NSString stringWithFormat:kNRMA_REGION_SPECIFIC_LOGGING_HOST,self.applicationToken.regionCode];
     }
+    else if ([NRMAFlags shouldEnableFedRampSupport]) {
+        if ([self.collectorHost isEqualToString:@"staging-mobile-collector.newrelic.com"]) {
+            _loggingURL = kNRMA_STAGING_FEDRAMP_LOGGING_HOST;
+        }
+        else {
+            _loggingURL = kNRMA_FEDRAMP_LOGGING_HOST;
+        }
+    }
     else if ([self.collectorHost isEqualToString:@"staging-mobile-collector.newrelic.com"]) {
         _loggingURL = kNRMA_STAGING_LOGGING_HOST;
     }
-    else if ([NRMAFlags shouldEnableFedRampSupport]) {
-        _loggingURL = kNRMA_FEDRAMP_LOGGING_HOST;
-    }
     else {
         _loggingURL = kNRMA_DEFAULT_LOGGING_HOST;
     }
-    _loggingURL = [_loggingURL stringByAppendingFormat:@"/log/v1"];
+    _loggingURL = [_loggingURL stringByAppendingFormat:@"/mobile/logs"];
 
     NSString* logURL = [NSString stringWithFormat:@"%@%@", @"https://", _loggingURL];
-
+    
     [NRLogger setLogURL:logURL];
+
+    [NRLogger setLogIngestKey:self.applicationToken.value];
 }
 
 + (NRMAConnectInformation*) connectionInformation

Agent/Harvester/DataStore/NRMAHarvestResponse.h

@@ -14,6 +14,7 @@
 #define UNAUTHORIZED           401
 #define FORBIDDEN              403
 #define NOT_FOUND              404
+#define CONFIGURATION_UPDATE   409
 #define ENTITY_TOO_LARGE       413
 #define INVALID_AGENT_ID       450
 #define UNSUPPORTED_MEDIA_TYPE 415

Agent/Harvester/DataStore/NRMAHarvestResponse.m

@@ -24,6 +24,7 @@ - (int) getResponseCode
         case FORBIDDEN:
         case INVALID_AGENT_ID:
         case UNSUPPORTED_MEDIA_TYPE:
+        case CONFIGURATION_UPDATE:
             return self.statusCode;
             break;
         default:

Agent/Harvester/DataStore/NRMAHarvesterConfiguration.h

@@ -29,6 +29,8 @@
 #define kNRMA_ACCOUNT_ID @"account_id"
 #define kNMRA_APPLICATION_ID @"application_id"
 #define kNRMA_TRUSTED_ACCOUNT_KEY @"trusted_account_key"
+#define kNRMA_ENTITY_GUID_KEY @"entity_guid"
+#define kNRMA_LOG_REPORTING_KEY @"log_reporting"
 
 #define NRMA_DEFAULT_COLLECT_NETWORK_ERRORS YES  // boolean
 #define NRMA_DEFAULT_REPORT_PERIOD 60            // seconds
@@ -60,6 +62,12 @@
 @property(nonatomic,assign) long long account_id;
 @property(nonatomic,assign) long long application_id;
 @property(nonatomic,strong) NSString* trusted_account_key;
+@property(nonatomic,strong) NSString* entity_guid;
+@property(nonatomic,assign) BOOL      log_reporting_enabled;
+
+// CAN BE
+// NONE < ERROR < WARN < INFO < DEBUG < AUDIT < VERBOSE
+@property(nonatomic,assign) NSString* log_reporting_level;
 
 + (id) defaultHarvesterConfiguration;
 - (BOOL) isValid;

Agent/Harvester/DataStore/NRMAHarvesterConfiguration.m

@@ -86,6 +86,20 @@ - (id) initWithDictionary:(NSDictionary*)dict
         self.application_id = [[dict valueForKey:kNMRA_APPLICATION_ID] longLongValue];
         self.trusted_account_key = [dict valueForKey:kNRMA_TRUSTED_ACCOUNT_KEY];
 
+        if ([dict objectForKey:kNRMA_ENTITY_GUID_KEY]) {
+            self.entity_guid = [dict valueForKey:kNRMA_ENTITY_GUID_KEY];
+        } else {
+            self.entity_guid = @"";
+        }
+
+        // begin parsing log reporting section.
+        if ([dict objectForKey:kNRMA_LOG_REPORTING_KEY]) {
+            id innerDict = [dict objectForKey:kNRMA_LOG_REPORTING_KEY];
+            self.log_reporting_enabled = innerDict[@"enabled"];
+            self.log_reporting_level = innerDict[@"level"];
+        }
+        // end parsing log reporting section.
+
         // The collector does not currently send down this key, but we still want a sane default
         if ([dict objectForKey:kNRMA_AT_MAX_SEND_ATTEMPTS]) {
             self.activity_trace_max_send_attempts = [[dict valueForKey:kNRMA_AT_MAX_SEND_ATTEMPTS] intValue];
@@ -110,6 +124,8 @@ + (id) defaultHarvesterConfiguration
     configuration.activity_trace_max_send_attempts = NRMA_DEFAULT_ACTIVITY_TRACE_MAX_SEND_ATTEMPTS;
     configuration.activity_trace_min_utilization = NRMA_DEFAULT_ACTIVITY_TRACE_MIN_UTILIZATION;
     configuration.trusted_account_key = @"";
+    configuration.entity_guid = @"";
+    configuration.log_reporting_level = @"WARNING";
 
     configuration.at_capture = [NRMATraceConfigurations defaultTraceConfigurations];
     return configuration;
@@ -148,7 +164,17 @@ - (NSDictionary*) asDictionary
     dictionary[kNMRA_APPLICATION_ID] = @(self.application_id);
     dictionary[kNRMA_ACCOUNT_ID] = @(self.account_id);
     dictionary[kNRMA_ENCODING_KEY] = self.encoding_key;
-    dictionary[kNRMA_TRUSTED_ACCOUNT_KEY] = self.trusted_account_key;
+
+    if ([self.trusted_account_key length]) {
+        dictionary[kNRMA_TRUSTED_ACCOUNT_KEY] = self.trusted_account_key;
+    }
+
+    if ([self.entity_guid length]) {
+        dictionary[kNRMA_ENTITY_GUID_KEY] = self.entity_guid;
+    }
+
+    // TODO: Check the right way to handle this inner Dict.
+    //dictionary[kNRMA_LOG_REPORTING_KEY] = @{@"enabled": @(self.log_reporting_enabled), @"level": self.log_reporting_level};
 
     return dictionary;
 }

Agent/Harvester/NRMAHarvester.mm

@@ -327,6 +327,17 @@ - (void) connected
         case UNSUPPORTED_MEDIA_TYPE:
         case ENTITY_TOO_LARGE:
             [self.harvestData clear];
+            break;
+        case CONFIGURATION_UPDATE:
+            // WHEN RECEIVING A 409 status code from the /data endpoint we will PERFORM A CONNECT CALL TO REFRESH THE CONFIG.
+            [self clearStoredHarvesterConfiguration];
+            [self transition:NRMA_HARVEST_DISCONNECTED];
+            // Reconnect performed here.
+            [self execute];
+
+            // Send Supportability metric when received 409 to indicate that a config update should happen or send it when actual /connect call finishes which refreshes the data.
+            [NRMASupportMetricHelper enqueueConfigurationUpdateMetric];
+
             break;
         default:
             break;
@@ -392,6 +403,8 @@ - (void) disconnected
         configuration = [NRMAHarvesterConfiguration defaultHarvesterConfiguration];
     }
 
+    [self handleLoggingConfigurationUpdate];
+
     // If we have a data token (config is valid), then skip the connect call.
     if (configuration.isValid && [configuration.application_token isEqualToString:_agentConfiguration.applicationToken.value]) {
         [NRMAMeasurements recordSessionStartMetric];
@@ -434,6 +447,9 @@ - (void) disconnected
         }
         // Configuration saved here.
         configuration.application_token = connection.applicationToken;
+
+        [self handleLoggingConfigurationUpdate];
+
         [self saveHarvesterConfiguration:configuration];
 
         [NRMASupportMetricHelper processDeferredMetrics];
@@ -513,6 +529,41 @@ - (NRMAHarvesterConfiguration*) configureFromCollector:(NRMAHarvestResponse*)res
     NRMAHarvesterConfiguration* config = nil;
     @try {
         NSError* error = nil;
+
+//        // TODO: Remove CannedConnect response
+////
+//        // Obfuscated secrets values.
+//        NSString *cannedConnect = @"{\n"
+//            @" \"server_timestamp\":1701302638,"
+//            @" \"collect_network_errors\":true,"
+//            @" \"activity_trace_max_size\":65535,"
+//            @" \"data_report_period\":60,"
+//            @" \"response_body_limit\":2048,"
+//            @" \"activity_trace_min_utilization\":0.3,"
+//            @" \"stack_trace_limit\":100,"
+//            @" \"report_max_transaction_age\":600,"
+//            @" \"report_max_transaction_count\":1000,"
+//            @" \"error_limit\":50,"
+//            @" \"at_capture\":[1,[]],"
+//            @" \"data_token\":[31111113,52222220],"
+//            @" \"cross_process_id\":\"VQYPSFAaAQcRV1hSBQYDLVc=\","
+//            @" \"encoding_key\":\"d67afd830dab717fd263bfcb1b8b88423e9a1a3c\",\n"
+//            @" \"account_id\":\"13313993\","
+//            @" \"application_id\":\"19225431\","
+//            @" \"trusted_account_key\":\"1\","
+//            @" \"entity_guid\": \"MTA4MTY5OTR8TU9ASUxFfEFQUExDQ0FUSU9OfDM5MDI3NDMz\","
+//            @" \"log_reporting\": {"
+//             @"   \"enabled\": true,"
+//             @"   \"level\": \"NONE \""
+//           @"}"
+//        @"}";
+//        // CANNED CONFIG
+//        NRLOG_VERBOSE(@"Harvest config canned: %@", cannedConnect);
+//        id jsonObject = [NRMAJSON JSONObjectWithData: [cannedConnect dataUsingEncoding:NSUTF8StringEncoding]
+//                                             options:0
+//                                               error:&error];
+
+        // REAL CONFIG
         NRLOG_VERBOSE(@"Harvest config: %@", response.responseBody);
         id jsonObject = [NRMAJSON JSONObjectWithData:[response.responseBody dataUsingEncoding:NSUTF8StringEncoding]
                                              options:0
@@ -631,7 +682,7 @@ - (void) fireOnHarvest
         }
         if ([NRMAFlags shouldEnableLogReporting]) {
             // Do log upload
-            [NRLogger upload];
+            [NRLogger enqueueLogUpload];
         }
     }
 }
@@ -725,4 +776,27 @@ - (void) setMaxOfflineStorageSize:(NSUInteger) size {
     [connection setMaxOfflineStorageSize:size];
 }
 
+- (void) handleLoggingConfigurationUpdate {
+    // TODO: Evaluating if this is the best spot?
+
+    // Should it check if remote logs are already on?
+
+    // Code for dynamically enabling or disabling remote logging at runtime based on the state of configuration.log_reporting_enabled and the existing state of NRFlags.NRFeatureFlag_LogReporting
+    if (configuration.log_reporting_enabled) {
+        // it is required to enable NRLogTargetFile when using LogReporting.
+        // Should this be done programmatically?
+        [NRLogger setLogTargets:NRLogTargetConsole | NRLogTargetFile];
+        // Parse NSString into NRLogLevel
+        NRLogLevels level = [NRLogger stringToLevel: configuration.log_reporting_level];
+        [NRLogger setLogLevels:level];
+
+        [NRMAFlags enableFeatures:NRFeatureFlag_LogReporting];
+    }
+    //TODO:
+//    // OVERWRITE user selected value for LogReporting -- Should must be included once API returns log_reporting { enabled: false} reliably.
+//    else {
+//        [NRMAFlags disableFeatures:NRFeatureFlag_LogReporting];
+//    }
+}
+
 @end

Agent/Measurements/NRMASupportMetricHelper.h

@@ -18,6 +18,11 @@ static NSMutableArray *deferredMetrics = NULL;
 + (void) enqueueMaxPayloadSizeLimitMetric:(NSString*)endpoint;
 + (void) enqueueUpgradeMetric;
 + (void) enqueueStopAgentMetric;
++ (void) enqueueConfigurationUpdateMetric;
 + (void) processDeferredMetrics;
 + (void) enqueueOfflinePayloadMetric:(long)size;
+
++ (void) enqueueLogSuccessMetric:(long)size;
++ (void) enqueueLogFailedMetric;
+
 @end