move GAHttpWrapper to public include and allow registering a custom HTTP implementation

Author: Gogoshika-ga

source/gameanalytics/Http/GAHttpWrapper.h include/GameAnalytics/GAHttpWrapper.hsource/gameanalytics/Http/GAHttpWrapper.h renamed to include/GameAnalytics/GAHttpWrapper.h

@@ -1,6 +1,9 @@
 #pragma once
 
-#include "GACommon.h"
+#include <string>
+#include <string_view>
+#include <vector>
+#include <cstdint>
 
 namespace gameanalytics
 { 

include/GameAnalytics/GameAnalytics.h

@@ -6,9 +6,11 @@
 #pragma once
 
 #include "GameAnalytics/GATypes.h"
+#include "GameAnalytics/GAHttpWrapper.h"
 
 namespace gameanalytics
 {
+
     class GameAnalytics
     {
      public:
@@ -61,6 +63,10 @@ namespace gameanalytics
 
          static void configureExternalUserId(std::string const& extId);
 
+         // Set a custom HTTP implementation. Must be called before initialize().
+         // If not called, the default cURL implementation is used.
+         static void configureHttpClient(std::unique_ptr<GAHttpWrapper> httpClient);
+
          // initialize - starting SDK (need configuration before starting)
          static void initialize(std::string const& gameKey, std::string const& gameSecret);
 

source/gameanalytics/GAHTTPApi.cpp

@@ -23,9 +23,11 @@ namespace gameanalytics
         constexpr int HTTP_RESPONSE_UNAUTHORIZED = 401;
         constexpr int HTTP_RESPONSE_INTERNAL_ERROR = 500;
 
+        std::unique_ptr<GAHttpWrapper> GAHTTPApi::pendingCustomImpl = nullptr;
+
         // Constructor - setup the basic information for HTTP
         GAHTTPApi::GAHTTPApi():
-            impl(std::make_unique<GAHttpCurl>())
+            impl(pendingCustomImpl ? std::move(pendingCustomImpl) : std::make_unique<GAHttpCurl>())
         {
             if(impl)
             {
@@ -56,6 +58,11 @@ namespace gameanalytics
             return state::GAState::getInstance()._gaHttp;
         }
 
+        void GAHTTPApi::setCustomHttpImpl(std::unique_ptr<GAHttpWrapper> customImpl)
+        {
+            pendingCustomImpl = std::move(customImpl);
+        }
+
         EGAHTTPApiResponse GAHTTPApi::requestInitReturningDict(json& json_out, std::string const& configsHash)
         {
             if(!impl)

source/gameanalytics/GAHTTPApi.h

@@ -6,7 +6,7 @@
 #pragma once
 
 #include "GACommon.h"
-#include "Http/GAHttpWrapper.h"
+#include "GameAnalytics/GAHttpWrapper.h"
 
 #include <vector>
 #include <map>
@@ -127,6 +127,8 @@ namespace gameanalytics
 
             static GAHTTPApi& getInstance();
 
+            static void setCustomHttpImpl(std::unique_ptr<GAHttpWrapper> customImpl);
+
             EGAHTTPApiResponse requestInitReturningDict(json& json_out, std::string const& configsHash);
             EGAHTTPApiResponse sendEventsInArray(json& json_out, const json& eventArray);
             void sendSdkErrorEvent(EGASdkErrorCategory category, EGASdkErrorArea area, EGASdkErrorAction action, EGASdkErrorParameter parameter, std::string const& reason, std::string const& gameKey, std::string const& secretKey);            
@@ -159,6 +161,8 @@ namespace gameanalytics
             static constexpr int MaxCount = 10;
             std::map<ErrorType, int> countMap;
             std::map<ErrorType, int64_t> timestampMap;
+
+            static std::unique_ptr<GAHttpWrapper> pendingCustomImpl;
         };
 
         constexpr const char* GAHTTPApi::sdkErrorCategoryString(EGASdkErrorCategory value)

source/gameanalytics/GameAnalytics.cpp

@@ -350,6 +350,22 @@ namespace gameanalytics
 
     // ----------------------- INITIALIZE ---------------------- //
 
+    void GameAnalytics::configureHttpClient(std::unique_ptr<GAHttpWrapper> httpClient)
+    {
+        if(_endThread)
+        {
+            return;
+        }
+
+        if (isSdkReady(true, false))
+        {
+            logging::GALogger::w("HTTP client must be set before SDK is initialized.");
+            return;
+        }
+
+        http::GAHTTPApi::setCustomHttpImpl(std::move(httpClient));
+    }
+
     void GameAnalytics::initialize(std::string const& gameKey, std::string const& gameSecret)
     {
         if(_endThread)

source/gameanalytics/Http/GAHttpCurl.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "Http/GAHttpWrapper.h"
+#include "GameAnalytics/GAHttpWrapper.h"
 #include <curl/curl.h>
 
 namespace gameanalytics