add Network.getTotalUpload, getTotalDownload

src/network/Network.cpp

@@ -19,6 +19,9 @@ size_t write_callback(char* ptr, size_t size, size_t nmemb, void* userdata) {
 
 class CurlHttp : public Http {
     CURL* curl;
+
+    size_t totalUpload = 0;
+    size_t totalDownload = 0;
 public:
     CurlHttp(CURL* curl) : curl(curl) {
     }
@@ -33,9 +36,27 @@ public:
         curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback);
         curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
         CURLcode res = curl_easy_perform(curl);
+        if (res == CURLE_OK) {
+            long size;
+            if (!curl_easy_getinfo(curl, CURLINFO_REQUEST_SIZE, &size)) {
+                totalUpload += size;
+            }
+            if (!curl_easy_getinfo(curl, CURLINFO_HEADER_SIZE, &size)) {
+                totalDownload += size;
+            }
+            totalDownload += buffer.size();
+        }
         callback(res, std::move(buffer));
     }
 
+    size_t getTotalUpload() const override {
+        return totalUpload;
+    }
+
+    size_t getTotalDownload() const override {
+        return totalDownload;
+    }
+
     static std::unique_ptr<CurlHttp> create() {
         if (auto curl = curl_easy_init()) {
             return std::make_unique<CurlHttp>(curl);
@@ -54,6 +75,14 @@ void Network::httpGet(const std::string& url, const OnResponse& callback) {
     http->get(url, callback);
 }
 
+size_t Network::getTotalUpload() const {
+    return http->getTotalUpload();
+}
+
+size_t Network::getTotalDownload() const {
+    return http->getTotalDownload();
+}
+
 std::unique_ptr<Network> Network::create(const NetworkSettings& settings) {
     auto http = CurlHttp::create();
     return std::make_unique<Network>(std::move(http));