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Subject [GitHub] [nifi-minifi-cpp] szaszm commented on a change in pull request #713: MINIFICPP-1119 unify win/posix sockets + clean up issues
Date Thu, 06 Feb 2020 18:52:27 GMT
szaszm commented on a change in pull request #713: MINIFICPP-1119 unify win/posix sockets +
clean up issues
URL: https://github.com/apache/nifi-minifi-cpp/pull/713#discussion_r376018414
 
 

 ##########
 File path: libminifi/src/io/ClientSocket.cpp
 ##########
 @@ -45,56 +42,68 @@ namespace nifi {
 namespace minifi {
 namespace io {
 
-Socket::Socket(const std::shared_ptr<SocketContext> &context, const std::string
&hostname, const uint16_t port, const uint16_t listeners = -1)
-    : requested_hostname_(hostname),
+static std::string get_last_err_str() noexcept {
+#ifdef WIN32
+  const auto error_code = WSAGetLastError();
+#else
+  const auto error_code = errno;
+#endif /* WIN32 */
+  return std::system_category().message(error_code);
+}
+
+Socket::Socket(const std::shared_ptr<SocketContext>& /*context*/, std::string hostname,
const uint16_t port, const uint16_t listeners = -1)
+    : addr_info_(nullptr),
+      requested_hostname_(std::move(hostname)),
+      canonical_hostname_(""),
       port_(port),
-      addr_info_(0),
+      is_loopback_only_(false),
       socket_file_descriptor_(-1),
       socket_max_(0),
       total_written_(0),
       total_read_(0),
-      is_loopback_only_(false),
       listeners_(listeners),
-      canonical_hostname_(""),
       nonBlocking_(false),
       logger_(logging::LoggerFactory<Socket>::getLogger()) {
   FD_ZERO(&total_list_);
   FD_ZERO(&read_fds_);
   initialize_socket();
 }
 
-Socket::Socket(const std::shared_ptr<SocketContext> &context, const std::string
&hostname, const uint16_t port)
-    : Socket(context, hostname, port, 0) {
-  initialize_socket();
+Socket::Socket(const std::shared_ptr<SocketContext>& context, std::string hostname,
const uint16_t port)
+    : Socket(context, std::move(hostname), port, 0) {
 }
 
-Socket::Socket(const Socket &&other)
-    : requested_hostname_(std::move(other.requested_hostname_)),
-      port_(std::move(other.port_)),
+Socket::Socket(Socket &&other) noexcept
+    : addr_info_(other.addr_info_),
+      requested_hostname_(std::move(other.requested_hostname_)),
+      canonical_hostname_(std::move(other.canonical_hostname_)),
+      port_(other.port_),
       is_loopback_only_(false),
-      addr_info_(std::move(other.addr_info_)),
       socket_file_descriptor_(other.socket_file_descriptor_),
-      socket_max_(other.socket_max_.load()),
-      listeners_(other.listeners_),
       total_list_(other.total_list_),
       read_fds_(other.read_fds_),
-      canonical_hostname_(std::move(other.canonical_hostname_)),
+      socket_max_(other.socket_max_.load()),
+      total_written_(other.total_written_.load()),
+      total_read_(other.total_read_.load()),
+      listeners_(other.listeners_),
       nonBlocking_(false),
-      logger_(std::move(other.logger_)) {
-  total_written_ = other.total_written_.load();
-  total_read_ = other.total_read_.load();
-}
+      logger_(std::move(other.logger_))
+{ }
 
 Socket::~Socket() {
-  closeStream();
+  Socket::closeStream();
 }
 
 void Socket::closeStream() {
-  if (0 != addr_info_) {
+  if (addr_info_ != nullptr) {
     freeaddrinfo(addr_info_);
-    addr_info_ = 0;
+    addr_info_ = nullptr;
   }
-  if (socket_file_descriptor_ >= 0 && socket_file_descriptor_ != INVALID_SOCKET)
{
+  if (socket_file_descriptor_ >= 0
+#ifdef WIN32
+    && socket_file_descriptor_ != INVALID_SOCKET
 
 Review comment:
   done

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