added a timestamp_system() to return the system's wallclock time (NTP synced)

[senf.git] / senf / Socket / Protocols / DatagramSocketProtocol.cc

diff --git a/senf/Socket/Protocols/DatagramSocketProtocol.cc b/senf/Socket/Protocols/DatagramSocketProtocol.cc
index d9ec0b4..fe1ec71 100644 (file)
--- a/senf/Socket/Protocols/DatagramSocketProtocol.cc
+++ b/senf/Socket/Protocols/DatagramSocketProtocol.cc
@@ -44,6 +44,16 @@ prefix_ senf::ClockService::clock_type senf::DatagramSocketProtocol::timestamp()
     return ClockService::from_timeval(tv);
 }
 
+prefix_ senf::ClockService::clock_type senf::DatagramSocketProtocol::timestamp_system()
+    const
+{
+    struct timeval tv;
+    if (::ioctl(fd(), SIOCGSTAMP, &tv) < 0)
+        SENF_THROW_SYSTEM_EXCEPTION("");
+    return tv.tv_sec * 1000000000LL + tv.tv_usec * 1000;
+}
+
+
 ///////////////////////////////cc.e////////////////////////////////////////
 #undef prefix_
 //#include "DatagramSocketProtocol.mpp"