extract common behavior

src/providers/base_provider.cpp

@@ -460,6 +460,19 @@ auto base_provider::get_total_item_count() const -> std::uint64_t {
   return ret;
 }
 
+auto base_provider::get_used_drive_space() const -> std::uint64_t {
+  try {
+    auto used_space = get_used_drive_space_impl();
+    get_file_mgr()->update_used_space(used_space);
+    return used_space;
+  } catch (const std::exception &ex) {
+    utils::error::raise_error(__FUNCTION__, ex,
+                              "failed to get used drive space");
+  }
+
+  return 0U;
+}
+
 auto base_provider::is_file_writeable(const std::string &api_path) const
     -> bool {
   bool exists{};

src/providers/s3/s3_provider.cpp

@@ -539,7 +539,7 @@ auto s3_provider::get_total_drive_space() const -> std::uint64_t {
   return std::numeric_limits<std::int64_t>::max() / std::int64_t(2);
 }
 
-auto s3_provider::get_used_drive_space() const -> std::uint64_t {
+auto s3_provider::get_used_drive_space_impl() const -> std::uint64_t {
   std::string response_data;
   long response_code{};
   if (not get_object_list(response_data, response_code)) {

src/providers/sia/sia_provider.cpp

@@ -351,42 +351,32 @@ auto sia_provider::get_total_drive_space() const -> std::uint64_t {
   return 0U;
 }
 
-auto sia_provider::get_used_drive_space() const -> std::uint64_t {
-  // TODO adjust size based on open files
-  try {
-    curl::requests::http_get get{};
-    get.allow_timeout = true;
-    get.path = "/api/bus/stats/objects";
+auto sia_provider::get_used_drive_space_impl() const -> std::uint64_t {
+  curl::requests::http_get get{};
+  get.allow_timeout = true;
+  get.path = "/api/bus/stats/objects";
 
-    json object_data{};
-    get.response_handler = [&object_data](const data_buffer &data,
-                                          long response_code) {
-      if (response_code == http_error_codes::ok) {
-        object_data = nlohmann::json::parse(data.begin(), data.end());
-      }
-    };
-
-    long response_code{};
-    stop_type stop_requested{};
-    if (not get_comm().make_request(get, response_code, stop_requested)) {
-      return 0U;
+  json object_data{};
+  get.response_handler = [&object_data](const data_buffer &data,
+                                        long response_code) {
+    if (response_code == http_error_codes::ok) {
+      object_data = nlohmann::json::parse(data.begin(), data.end());
     }
+  };
 
-    if (response_code != http_error_codes::ok) {
-      utils::error::raise_error(__FUNCTION__, response_code,
-                                "failed to get used drive space");
-      return 0U;
-    }
-
-    auto used_space = object_data["totalObjectsSize"].get<std::uint64_t>();
-    get_file_mgr()->update_used_space(used_space);
-    return used_space;
-  } catch (const std::exception &ex) {
-    utils::error::raise_error(__FUNCTION__, ex,
-                              "failed to get used drive space");
+  long response_code{};
+  stop_type stop_requested{};
+  if (not get_comm().make_request(get, response_code, stop_requested)) {
+    return 0U;
   }
 
-  return 0U;
+  if (response_code != http_error_codes::ok) {
+    utils::error::raise_error(__FUNCTION__, response_code,
+                              "failed to get used drive space");
+    return 0U;
+  }
+
+  return object_data["totalObjectsSize"].get<std::uint64_t>();
 }
 
 auto sia_provider::is_directory(const std::string &api_path, bool &exists) const