1 files changed, 99 insertions, 0 deletions
diff --git a/platform/darwin/src/MGLSDKMetricsManager.m b/platform/darwin/src/MGLSDKMetricsManager.m
new file mode 100644
index 0000000000..ed48eaf0c1
--- /dev/null
+++ b/platform/darwin/src/MGLSDKMetricsManager.m
@@ -0,0 +1,99 @@
+#import "MGLSDKMetricsManager_Private.h"
+#import "MGLNetworkConfiguration_Private.h"
+#if TARGET_OS_IOS
+#import "MGLMapboxEvents.h"
+#import <mach-o/arch.h>
+#import <sys/utsname.h>
+#import <UIKit/UIKit.h>
+#endif
+
+NSString* MGLStringFromMetricType(MGLMetricType metricType) {
+    NSString *eventName;
+    
+    switch (metricType) {
+        case MGLMetricTypePerformance:
+            eventName = kMGLDownloadPerformanceEvent;
+            break;
+    }
+    return eventName;
+}
+
+@interface MGLMetricsManager() <MGLNetworkConfigurationMetricsDelegate>
+
+@property (strong, nonatomic) NSDictionary *metadata;
+
+@end
+
+@implementation MGLMetricsManager
+
++ (instancetype)sharedManager
+{
+    static dispatch_once_t once;
+    static MGLMetricsManager *sharedConfiguration;
+    dispatch_once(&once, ^{
+        sharedConfiguration = [[self alloc] init];
+        [MGLNetworkConfiguration sharedManager].metricsDelegate = sharedConfiguration;
+#if TARGET_OS_IOS
+        UIDevice *currentDevice = [UIDevice currentDevice];
+        
+        NSString *osVersion = currentDevice.systemVersion;
+        
+        NSString *screenSize = [NSString stringWithFormat:@"%.fx%.f", [UIScreen mainScreen].bounds.size.width,
+                                [UIScreen mainScreen].bounds.size.height];
+        
+        NSLocale *currentLocale = [NSLocale currentLocale];
+        NSString *country = [currentLocale objectForKey:NSLocaleCountryCode];
+        
+        NSString *device = deviceName();
+        
+        const NXArchInfo localArchInfo = *NXGetLocalArchInfo();
+        NSString *abi = [NSString stringWithUTF8String:localArchInfo.description];
+        
+        NSString *ram = [NSString stringWithFormat:@"%llu", [NSProcessInfo processInfo].physicalMemory];
+        
+        NSString *os = currentDevice.systemName;
+        
+        sharedConfiguration.metadata = @{ @"version" : osVersion,
+                                          @"screenSize" : screenSize,
+                                          @"country" : country,
+                                          @"device" : device,
+                                          @"abi" : abi,
+                                          @"brand" : @"Apple",
+                                          @"ram" : ram,
+                                          @"os" : os
+                                          };
+#endif
+    });
+    return sharedConfiguration;
+}
+
+- (void)handleMetricsEvent:(MGLMetricType)metricType withAttributes:(NSDictionary *)attributes {
+    if ([self.delegate metricsManager:self shouldHandleMetric:metricType]) {
+        [self.delegate metricsManager:self didCollectMetric:metricType withAttributes:attributes];
+    }
+}
+
+#if TARGET_OS_IOS
+- (void)pushMetric:(MGLMetricType)metricType withAttributes:(NSDictionary *)attributes {
+    NSString *eventName = MGLStringFromMetricType(metricType);
+    NSMutableDictionary *mutableAttributes = [NSMutableDictionary dictionaryWithDictionary:attributes];
+    [mutableAttributes setObject:self.metadata forKey:@"metadata"];
+    
+    [MGLMapboxEvents pushEvent:eventName withAttributes:mutableAttributes];
+}
+
+NSString* deviceName()
+{
+    struct utsname systemInfo;
+    uname(&systemInfo);
+    
+    return [NSString stringWithCString:systemInfo.machine
+                              encoding:NSUTF8StringEncoding];
+}
+#endif
+
+- (void)networkConfiguration:(MGLNetworkConfiguration *)networkConfiguration didGenerateMetricEvent:(NSDictionary *)metricEvent {
+    [self handleMetricsEvent:MGLMetricTypePerformance withAttributes:metricEvent];
+}
+
+@end