[ios, macos] Expose the url session configuration object. (#13886)

The `MGLNetworkConfiguration` class was make public, and added `sessionConfiguration` property to let developers customize the `NSURLSessionConfiguration` object that is used to make HTTP requests in the SDK.

1 files changed, 4 insertions, 6 deletions

diff --git a/platform/darwin/src/http_file_source.mm b/platform/darwin/src/http_file_source.mm
index f11d44ea54..c3918ad62b 100644
--- a/platform/darwin/src/http_file_source.mm
+++ b/platform/darwin/src/http_file_source.mm
@@ -8,6 +8,7 @@
 
 #import <Foundation/Foundation.h>
 #import "MGLLoggingConfiguration_Private.h"
+#import "MGLNetworkConfiguration.h"
 
 #include <mutex>
 #include <chrono>
@@ -82,13 +83,10 @@ class HTTPFileSource::Impl {
 public:
     Impl() {
         @autoreleasepool {
-            NSURLSessionConfiguration* sessionConfig =
-                [NSURLSessionConfiguration defaultSessionConfiguration];
-            sessionConfig.timeoutIntervalForResource = 30;
-            sessionConfig.HTTPMaximumConnectionsPerHost = 8;
-            sessionConfig.requestCachePolicy = NSURLRequestReloadIgnoringLocalCacheData;
-            sessionConfig.URLCache = nil;
 
+            NSURLSessionConfiguration *sessionConfig =
+            [MGLNetworkConfiguration sharedManager].sessionConfiguration;
+            
             session = [NSURLSession sessionWithConfiguration:sessionConfig];
 
             userAgent = getUserAgent();