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// Copyright 2020 Google LLC
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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 "FirebasePerformance/Sources/Common/FPRDiagnostics.h"
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#import "FirebasePerformance/Sources/Common/FPRDiagnostics_Private.h"
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#import "FirebasePerformance/Sources/Configurations/FPRConfigurations.h"
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void __FPRAssert(id object, BOOL condition, const char *func) {
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static BOOL diagnosticsEnabled = NO;
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static dispatch_once_t onceToken;
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NSDictionary<NSString *, NSString *> *environment = [NSProcessInfo processInfo].environment;
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// Enable diagnostics when in test environment
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if (environment[@"XCTestConfigurationFilePath"] != nil) {
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diagnosticsEnabled = [FPRDiagnostics isEnabled];
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} else {
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dispatch_once(&onceToken, ^{
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diagnosticsEnabled = [FPRDiagnostics isEnabled];
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});
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}
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if (__builtin_expect(!condition && diagnosticsEnabled, NO)) {
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FPRLogError(kFPRDiagnosticFailure, @"Failure in %s, information follows:", func);
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FPRLogNotice(kFPRDiagnosticLog, @"Stack for failure in %s:\n%@", func,
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[NSThread callStackSymbols]);
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if ([[object class] respondsToSelector:@selector(emitDiagnostics)]) {
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[[object class] performSelector:@selector(emitDiagnostics) withObject:nil];
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}
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if ([object respondsToSelector:@selector(emitDiagnostics)]) {
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[object performSelector:@selector(emitDiagnostics) withObject:nil];
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}
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FPRLogNotice(kFPRDiagnosticLog, @"End of diagnostics for %s failure.", func);
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}
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}
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@implementation FPRDiagnostics
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static FPRConfigurations *_configuration;
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+ (void)initialize {
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_configuration = [FPRConfigurations sharedInstance];
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}
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+ (FPRConfigurations *)configuration {
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return _configuration;
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}
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+ (void)setConfiguration:(FPRConfigurations *)config {
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_configuration = config;
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}
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+ (BOOL)isEnabled {
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// Check a soft-linked FIRCore class to see if this is running in the app store.
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Class FIRAppEnvironmentUtil = NSClassFromString(@"FIRAppEnvironmentUtil");
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SEL isFromAppStore = NSSelectorFromString(@"isFromAppStore");
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
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if (FIRAppEnvironmentUtil && [FIRAppEnvironmentUtil respondsToSelector:isFromAppStore] &&
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[FIRAppEnvironmentUtil performSelector:isFromAppStore]) {
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return NO;
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}
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#pragma clang diagnostic pop
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BOOL enabled = [FPRDiagnostics.configuration diagnosticsEnabled];
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if (enabled) {
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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FPRLogNotice(kFPRDiagnosticInfo, @"Firebase Performance Diagnostics have been enabled!");
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});
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}
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return enabled;
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}
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@end
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