clear buffer on retry

repertory/librepertory/include/rpc/server/server.hpp

@@ -30,8 +30,13 @@ class app_config;
 class server {
 public:
   explicit server(app_config &config);
+  server(const server &) = delete;
+  server(server &&) = delete;
 
-  virtual ~server() { stop(); }
+  auto operator=(const server &) -> server & = delete;
+  auto operator=(server &&) -> server & = delete;
+
+  virtual ~server();
 
 private:
   app_config &config_;

repertory/librepertory/src/providers/s3/s3_provider.cpp

@@ -836,6 +836,7 @@ auto s3_provider::read_file_bytes(const std::string &api_path, std::size_t size,
            idx < get_config().get_retry_read_count() + 1U;
            ++idx) {
         if (idx > 0U) {
+          read_buffer.clear();
           std::this_thread::sleep_for(1s);
         }
 

repertory/librepertory/src/rpc/server/server.cpp

@@ -34,6 +34,8 @@
 namespace repertory {
 server::server(app_config &config) : config_(config) {}
 
+server::~server() { stop(); }
+
 void server::handle_get_config(const httplib::Request & /*req*/,
                                httplib::Response &res) {
   auto data = config_.get_json();