Merge branch 'devel'

CMakeLists.txt

 cmake_minimum_required(VERSION 3.5)
-project("DNS Probe" VERSION 0.7.0)
+project("DNS Probe" VERSION 0.7.1)
 
 set(AF_PACKET_BACKEND ON CACHE BOOL "Define backend for packet processing")
 set(DPDK_BACKEND OFF CACHE BOOL "Define backend for packet processing")

src/core/DnsTcpConnection.cpp

@@ -167,6 +167,7 @@ bool DDP::DnsTcpConnection::update_connection(DnsRecord& record, const Packet& p
 
             // Received FIN to close connection
             if (header->fin) {
+                m_rtt = m_state == TcpConnectionState::ESTABLISHED ? m_rtt : Time(Time::Clock::MONOTONIC) - m_rtt;
                 m_state = TcpConnectionState::FIN1;
                 m_fin[conn_side] = true;
             }

src/utils/Time.h

@@ -148,7 +148,7 @@ namespace DDP {
             friend Time operator-(Time first, const Time& second)
             {
                 if(first.m_timespec.tv_nsec - second.m_timespec.tv_nsec < 0) {
-                    first.m_timespec.tv_sec -= second.m_timespec.tv_sec - 1;
+                    first.m_timespec.tv_sec = first.m_timespec.tv_sec - second.m_timespec.tv_sec - 1;
                     first.m_timespec.tv_nsec = first.m_timespec.tv_nsec + 1000000000 - second.m_timespec.tv_nsec;
                 }
                 else {