void
SystemInfo::_RetrieveNetwork()
{
if (fRetrievedNetwork)
return;
fBytesReceived = 0;
fBytesSent = 0;
fRetrievedNetwork = true;
BNetworkRoster& roster = BNetworkRoster::Default();
BNetworkInterface interface;
uint32 cookie = 0;
while (roster.GetNextInterface(&cookie, interface) == B_OK) {
ifreq_stats stats;
if (interface.GetStats(stats) == B_OK) {
fBytesReceived += stats.receive.bytes;
fBytesSent += stats.send.bytes;
}
}
}
