Support response data streaming and add an example file downloader.

2019-08-08 17:12:22 +08:00
parent 3077f21549
commit 0292b4b51e
19 changed files with 370 additions and 148 deletions
@@ -31,14 +31,19 @@ void Message::SetBody(BodyPtr body, bool set_length) {

 const std::string& Message::data() const {
  static const std::string kEmptyData;
-
  auto string_body = std::dynamic_pointer_cast<StringBody>(body_);
-
-  if (string_body) {
-    return string_body->data();
+  if (!string_body) {
+    return kEmptyData;
  }
+  return string_body->data();
+}

-  return kEmptyData;
+std::shared_ptr<FileBody> Message::file_body() const {
+  auto file_body = std::dynamic_pointer_cast<FileBody>(body_);
+  if (!file_body) {
+    throw Error{ Error::kDataError, "Not a file body" };
+  }
+  return file_body;
 }

 bool Message::IsConnectionKeepAlive() const {