// Send data to remote party
// Put a debug message on failure
// Return true if all bytes were sent
static bool sendData(Socket& sock, const SocketAddr& to, const void* data, int len,
const char* what, bool& flag)
{
if (!sock.valid())
return false;
if (!to.valid()) {
if (flag) {
flag = false;
SocketAddr local;
sock.getSockName(local);
Debug(DebugNote,"%s send failed (local=%s): invalid remote address",
what,local.addr().c_str());
}
return false;
}
int wr = sock.sendTo(data,len,to);
if (wr == Socket::socketError() && flag && !sock.canRetry()) {
flag = false;
// Retrieve the error before calling getSockName() to avoid reset
String s;
int e = sock.error();
Thread::errorString(s,e);
SocketAddr local;
sock.getSockName(local);
Debug(DebugNote,"%s send failed (local=%s remote=%s): %d %s",
what,local.addr().c_str(),to.addr().c_str(),e,s.c_str());
}
return wr == len;
}
bool SocketAddr::local(const SocketAddr& remote)
{
if (!remote.valid())
return false;
SocketAddr tmp(remote);
if (!tmp.port())
tmp.port(16384);
Socket sock(tmp.family(),SOCK_DGRAM);
if (sock.valid() && sock.connect(tmp) && sock.getSockName(*this)) {
port(0);
return true;
}
return false;
}
bool RTPTransport::remoteAddr(SocketAddr& addr, bool sniff)
{
Lock lock(group());
m_autoRemote = sniff;
int p = addr.port();
// make sure we have a valid address and a port
// we do not check that it's even numbered as many NAPTs will break that
if (p && addr.valid()) {
m_warnSendErrorRtp = true;
m_warnSendErrorRtcp = true;
m_remoteAddr = addr;
m_remoteRTCP = addr;
m_remoteRTCP.port(addr.port()+1);
// if sniffing packets from other sources remember preferred address
if (sniff)
m_remotePref = addr;
setScopeId(m_localAddr,m_remoteAddr,m_remoteRTCP,sniff ? &m_remotePref : 0);
return true;
}
return false;
}
