/**
* Creates the a listen socket on the bfd listen port.
*
* @param listenAddr [in] - May be "ANY" (0.0.0.0 or ::)
*
* outSocket will be empty on failure.
*
*
*/
void Beacon::makeListenSocket(const IpAddr &listenAddr, Socket &outSocket)
{
Socket listenSocket;
outSocket.Close();
// Any socket error will get logged, so we don't need to log them again.
listenSocket.SetLogName(FormatShortStr("BFD %s listen socket", listenAddr.ToString()));
listenSocket.OpenUDP(listenAddr.Type());
if (listenSocket.empty())
return;
if (!listenSocket.SetTTLOrHops(bfd::TTLValue))
return;
if (!listenSocket.SetRecieveTTLOrHops(true))
return;
if (!listenSocket.SetReceiveDestinationAddress(true))
return;
if (listenAddr.Type() == Addr::IPv6)
{
if (!listenSocket.SetIPv6Only(true))
return;
}
if (!listenSocket.Bind(SockAddr(listenAddr, bfd::ListenPort)))
return;
// Take ownership
outSocket.Transfer(listenSocket);
outSocket.SetLogName(listenSocket.LogName());
gLog.Optional(Log::App, "Listening for BFD connections on %s", SockAddr(listenAddr, bfd::ListenPort).ToString());
}
const char* TimeSpec::SpanToLogText(TimeSpec::Unit unit, int decimals, TextFlags flags)
{
double val = ToDecimal() / UnitToSeconds(unit);
if (0 == (flags & NoTruncation) && val == int64_t(val))
decimals = 0;
return FormatShortStr("%.*f %s", decimals, val, UnitToString(unit, 0 == (flags & LongName)));
}
const char* sockAddrBase::ToString(bool includePort /*true*/) const
{
in_port_t port = includePort ? Port() : 0;
if (IsIPv4())
{
if (port == 0)
return Ip4ToString(getIPv4Storage()->sin_addr);
else
return Ip4ToString(getIPv4Storage()->sin_addr, port);
}
else if (IsIPv6())
{
const sockaddr_in6 *storage = getIPv6Storage();
if (storage->sin6_scope_id == 0 && !port)
{
// Just IPv6 address
char *buffer;
size_t bufsize = GetSmallTLSBuffer(&buffer);
if (!bufsize)
return "<memerror>";
if (!inet_ntop(AF_INET6, &storage->sin6_addr, buffer, bufsize))
return "<Invalid Address>";
return buffer;
}
else
{
// composite address
char ifNameBuf[IF_NAMESIZE];
char addrStrBuf[INET6_ADDRSTRLEN];
const char *ifName = NULL;
const char *addrStr = NULL;
if (storage->sin6_scope_id)
{
ifName = if_indextoname(storage->sin6_scope_id, ifNameBuf);
if (!ifName)
ifName = "???";
}
addrStr = inet_ntop(AF_INET6, &storage->sin6_addr, addrStrBuf, sizeof(addrStrBuf));
if (!addrStr)
addrStr = "<Invalid IPv6>";
if (port)
{
if (ifName)
return FormatShortStr("[%s%%%s]:%d", addrStr, ifName, (int)port);
else
return FormatShortStr("[%s]:%d", addrStr, (int)port);
}
else
{
if (ifName)
return FormatShortStr("%s%%%s", addrStr, ifName);
else
{
LogVerify(false); // should never happen
return FormatShortStr("%s", addrStr);
}
}
}
}
else
return "<Invalid Address>";
}
