Add move constructor and assignment to SSLSocket

include/frnetlib/SSLSocket.h

@@ -21,9 +21,9 @@ namespace fr
     public:
         explicit SSLSocket(std::shared_ptr<SSLContext> ssl_context) noexcept;
         ~SSLSocket() override;
-        SSLSocket(SSLSocket &&) = delete;
+        SSLSocket(SSLSocket &&);
         SSLSocket(const SSLSocket &) = delete;
-        void operator=(SSLSocket &&)=delete;
+        SSLSocket& operator=(SSLSocket &&);
         void operator=(const SSLSocket &)=delete;
 
         /*!

include/frnetlib/Util.h

@@ -0,0 +1,52 @@
+//
+// Created by rexy712 on 06/25/2021.
+//
+
+#ifndef FRNETLIB_UTIL_H
+#define FRNETLIB_UTIL_H
+
+#include <mbedtls/ssl.h>
+#include <cstdlib> //size_t
+#include <cstring> //memcpy, memset
+#include <utility> //move
+
+namespace fr
+{
+    template<class T>
+    constexpr void swap(T& a, T& b)
+    {
+        T tmp = std::move(a);
+        a = std::move(b);
+        b = std::move(tmp);
+    }
+
+    template<class T, size_t N>
+    constexpr void swap(T (&a)[N], T (&b)[N])
+    {
+        for(size_t i = 0;i < N;++i)
+        {
+            swap(a[i], b[i]);
+        }
+    }
+
+    constexpr mbedtls_ssl_config move_mbedtls_ssl_config(mbedtls_ssl_config &&src)
+    {
+        mbedtls_ssl_config retval = {};
+        swap(retval.ciphersuite_list, src.ciphersuite_list);
+        swap(retval.p_dbg, src.p_dbg);
+        swap(retval.f_get_cache, src.f_get_cache);
+        swap(retval.f_set_cache, src.f_set_cache);
+        swap(retval.p_cache, src.p_cache);
+        retval.max_major_ver = src.max_major_ver;
+        retval.max_minor_ver = src.max_minor_ver;
+        retval.min_major_ver = src.min_major_ver;
+        retval.min_minor_ver = src.min_minor_ver;
+        retval.endpoint = src.endpoint;
+        retval.transport = src.transport;
+        retval.authmode = src.authmode;
+        retval.allow_legacy_renegotiation = src.allow_legacy_renegotiation;
+        return retval;
+    }
+}
+
+#endif

src/SSLSocket.cpp

@@ -3,6 +3,7 @@
 //
 
 #include "frnetlib/SSLSocket.h"
+#include "frnetlib/Util.h"
 #include <memory>
 #include <utility>
 
@@ -58,6 +59,27 @@ namespace fr
         mbedtls_ssl_config_free(&conf);
     }
 
+    SSLSocket::SSLSocket(SSLSocket &&s)
+    :  ssl_context(std::move(s.ssl_context)),
+       ssl_socket_descriptor(std::move(s.ssl_socket_descriptor)),
+       ssl(std::move(s.ssl)),
+       conf(move_mbedtls_ssl_config(std::move(s.conf))),
+       should_verify(s.should_verify),
+       receive_timeout(s.receive_timeout),
+       is_blocking(s.is_blocking){}
+
+    SSLSocket& SSLSocket::operator=(SSLSocket &&s)
+    {
+        ssl_context = std::move(s.ssl_context);
+        ssl_socket_descriptor = std::move(s.ssl_socket_descriptor);
+        ssl = std::move(s.ssl);
+        conf = move_mbedtls_ssl_config(std::move(s.conf));
+        should_verify = s.should_verify;
+        receive_timeout = s.receive_timeout;
+        is_blocking = s.is_blocking;
+        return *this;
+    }
+
     void SSLSocket::close_socket()
     {
         ssl = nullptr;