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Deniz Duezgoeren
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// Copyright 2017 Google
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#import "Private/FIRLogger.h"
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#import <FirebaseCore/FIRLoggerLevel.h>
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#import <GoogleUtilities/GULAppEnvironmentUtil.h>
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#import <GoogleUtilities/GULLogger.h>
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#import "Private/FIRVersion.h"
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FIRLoggerService kFIRLoggerCore = @"[Firebase/Core]";
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// All the FIRLoggerService definitions should be migrated to clients. Do not add new ones!
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FIRLoggerService kFIRLoggerABTesting = @"[Firebase/ABTesting]";
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FIRLoggerService kFIRLoggerAdMob = @"[Firebase/AdMob]";
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FIRLoggerService kFIRLoggerAnalytics = @"[Firebase/Analytics]";
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FIRLoggerService kFIRLoggerAuth = @"[Firebase/Auth]";
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FIRLoggerService kFIRLoggerCrash = @"[Firebase/Crash]";
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FIRLoggerService kFIRLoggerMLKit = @"[Firebase/MLKit]";
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FIRLoggerService kFIRLoggerPerf = @"[Firebase/Performance]";
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FIRLoggerService kFIRLoggerRemoteConfig = @"[Firebase/RemoteConfig]";
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/// Arguments passed on launch.
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NSString *const kFIRDisableDebugModeApplicationArgument = @"-FIRDebugDisabled";
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NSString *const kFIREnableDebugModeApplicationArgument = @"-FIRDebugEnabled";
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NSString *const kFIRLoggerForceSDTERRApplicationArgument = @"-FIRLoggerForceSTDERR";
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/// Key for the debug mode bit in NSUserDefaults.
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NSString *const kFIRPersistedDebugModeKey = @"/google/firebase/debug_mode";
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/// NSUserDefaults that should be used to store and read variables. If nil, `standardUserDefaults`
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/// will be used.
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static NSUserDefaults *sFIRLoggerUserDefaults;
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static dispatch_once_t sFIRLoggerOnceToken;
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// The sFIRAnalyticsDebugMode flag is here to support the -FIRDebugEnabled/-FIRDebugDisabled
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// flags used by Analytics. Users who use those flags expect Analytics to log verbosely,
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// while the rest of Firebase logs at the default level. This flag is introduced to support
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// that behavior.
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static BOOL sFIRAnalyticsDebugMode;
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#ifdef DEBUG
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/// The regex pattern for the message code.
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static NSString *const kMessageCodePattern = @"^I-[A-Z]{3}[0-9]{6}$";
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static NSRegularExpression *sMessageCodeRegex;
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#endif
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void FIRLoggerInitializeASL() {
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dispatch_once(&sFIRLoggerOnceToken, ^{
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// Register Firebase Version with GULLogger.
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GULLoggerRegisterVersion(FIRVersionString);
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// Override the aslOptions to ASL_OPT_STDERR if the override argument is passed in.
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NSArray *arguments = [NSProcessInfo processInfo].arguments;
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BOOL overrideSTDERR = [arguments containsObject:kFIRLoggerForceSDTERRApplicationArgument];
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// Use the standard NSUserDefaults if it hasn't been explicitly set.
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if (sFIRLoggerUserDefaults == nil) {
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sFIRLoggerUserDefaults = [NSUserDefaults standardUserDefaults];
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}
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BOOL forceDebugMode = NO;
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BOOL debugMode = [sFIRLoggerUserDefaults boolForKey:kFIRPersistedDebugModeKey];
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if ([arguments containsObject:kFIRDisableDebugModeApplicationArgument]) { // Default mode
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[sFIRLoggerUserDefaults removeObjectForKey:kFIRPersistedDebugModeKey];
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} else if ([arguments containsObject:kFIREnableDebugModeApplicationArgument] ||
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debugMode) { // Debug mode
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[sFIRLoggerUserDefaults setBool:YES forKey:kFIRPersistedDebugModeKey];
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forceDebugMode = YES;
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}
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GULLoggerInitializeASL();
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if (overrideSTDERR) {
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GULLoggerEnableSTDERR();
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}
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if (forceDebugMode) {
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GULLoggerForceDebug();
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}
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});
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}
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__attribute__((no_sanitize("thread"))) void FIRSetAnalyticsDebugMode(BOOL analyticsDebugMode) {
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sFIRAnalyticsDebugMode = analyticsDebugMode;
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}
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void FIRSetLoggerLevel(FIRLoggerLevel loggerLevel) {
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FIRLoggerInitializeASL();
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GULSetLoggerLevel((GULLoggerLevel)loggerLevel);
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}
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#ifdef DEBUG
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void FIRResetLogger() {
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extern void GULResetLogger(void);
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sFIRLoggerOnceToken = 0;
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[sFIRLoggerUserDefaults removeObjectForKey:kFIRPersistedDebugModeKey];
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sFIRLoggerUserDefaults = nil;
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GULResetLogger();
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}
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void FIRSetLoggerUserDefaults(NSUserDefaults *defaults) {
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sFIRLoggerUserDefaults = defaults;
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}
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#endif
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/**
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* Check if the level is high enough to be loggable.
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*
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* Analytics can override the log level with an intentional race condition.
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* Add the attribute to get a clean thread sanitizer run.
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*/
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__attribute__((no_sanitize("thread"))) BOOL FIRIsLoggableLevel(FIRLoggerLevel loggerLevel,
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BOOL analyticsComponent) {
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FIRLoggerInitializeASL();
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if (sFIRAnalyticsDebugMode && analyticsComponent) {
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return YES;
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}
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return GULIsLoggableLevel((GULLoggerLevel)loggerLevel);
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}
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void FIRLogBasic(FIRLoggerLevel level,
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FIRLoggerService service,
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NSString *messageCode,
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NSString *message,
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va_list args_ptr) {
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FIRLoggerInitializeASL();
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GULLogBasic((GULLoggerLevel)level, service,
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sFIRAnalyticsDebugMode && [kFIRLoggerAnalytics isEqualToString:service], messageCode,
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message, args_ptr);
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}
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/**
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* Generates the logging functions using macros.
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*
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* Calling FIRLogError(kFIRLoggerCore, @"I-COR000001", @"Configure %@ failed.", @"blah") shows:
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* yyyy-mm-dd hh:mm:ss.SSS sender[PID] <Error> [Firebase/Core][I-COR000001] Configure blah failed.
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* Calling FIRLogDebug(kFIRLoggerCore, @"I-COR000001", @"Configure succeed.") shows:
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* yyyy-mm-dd hh:mm:ss.SSS sender[PID] <Debug> [Firebase/Core][I-COR000001] Configure succeed.
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*/
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#define FIR_LOGGING_FUNCTION(level) \
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void FIRLog##level(FIRLoggerService service, NSString *messageCode, NSString *message, ...) { \
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va_list args_ptr; \
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va_start(args_ptr, message); \
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FIRLogBasic(FIRLoggerLevel##level, service, messageCode, message, args_ptr); \
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va_end(args_ptr); \
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}
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FIR_LOGGING_FUNCTION(Error)
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FIR_LOGGING_FUNCTION(Warning)
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FIR_LOGGING_FUNCTION(Notice)
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FIR_LOGGING_FUNCTION(Info)
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FIR_LOGGING_FUNCTION(Debug)
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#undef FIR_MAKE_LOGGER
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#pragma mark - FIRLoggerWrapper
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@implementation FIRLoggerWrapper
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+ (void)logWithLevel:(FIRLoggerLevel)level
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withService:(FIRLoggerService)service
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withCode:(NSString *)messageCode
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withMessage:(NSString *)message
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withArgs:(va_list)args {
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FIRLogBasic(level, service, messageCode, message, args);
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}
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@end
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