void CNetConnection::Resend()
{
for(CNetChunkResend *pResend = m_Buffer.First(); pResend; pResend = m_Buffer.Next(pResend))
ResendChunk(pResend);
}
int CNetConnection::Update()
{
int64 Now = time_get();
if(State() == NET_CONNSTATE_ERROR && m_TimeoutSituation && (Now-m_LastRecvTime) > time_freq()*g_Config.m_ConnTimeoutProtection)
{
m_TimeoutSituation = false;
SetError("Timeout Protection over");
}
if(State() == NET_CONNSTATE_OFFLINE || State() == NET_CONNSTATE_ERROR)
return 0;
m_TimeoutSituation = false;
// check for timeout
if(State() != NET_CONNSTATE_OFFLINE &&
State() != NET_CONNSTATE_CONNECT &&
(Now-m_LastRecvTime) > time_freq()*g_Config.m_ConnTimeout)
{
m_State = NET_CONNSTATE_ERROR;
SetError("Timeout");
m_TimeoutSituation = true;
}
// fix resends
if(m_Buffer.First())
{
CNetChunkResend *pResend = m_Buffer.First();
// check if we have some really old stuff laying around and abort if not acked
if(Now-pResend->m_FirstSendTime > time_freq()*g_Config.m_ConnTimeout)
{
m_State = NET_CONNSTATE_ERROR;
char aBuf[512];
str_format(aBuf, sizeof(aBuf), "Too weak connection (not acked for %d seconds)", g_Config.m_ConnTimeout);
SetError(aBuf);
m_TimeoutSituation = true;
}
else
{
// resend packet if we havn't got it acked in 1 second
if(Now-pResend->m_LastSendTime > time_freq())
ResendChunk(pResend);
}
}
// send keep alives if nothing has happend for 250ms
if(State() == NET_CONNSTATE_ONLINE)
{
if(time_get()-m_LastSendTime > time_freq()/2) // flush connection after 500ms if needed
{
int NumFlushedChunks = Flush();
if(NumFlushedChunks && g_Config.m_Debug)
dbg_msg("connection", "flushed connection due to timeout. %d chunks.", NumFlushedChunks);
}
if(time_get()-m_LastSendTime > time_freq())
SendControl(NET_CTRLMSG_KEEPALIVE, 0, 0);
}
else if(State() == NET_CONNSTATE_CONNECT)
{
if(time_get()-m_LastSendTime > time_freq()/2) // send a new connect every 500ms
SendControl(NET_CTRLMSG_CONNECT, SECURITY_TOKEN_MAGIC, sizeof(SECURITY_TOKEN_MAGIC));
}
else if(State() == NET_CONNSTATE_PENDING)
{
if(time_get()-m_LastSendTime > time_freq()/2) // send a new connect/accept every 500ms
SendControl(NET_CTRLMSG_CONNECTACCEPT, SECURITY_TOKEN_MAGIC, sizeof(SECURITY_TOKEN_MAGIC));
}
return 0;
}
int CNetConnection::Update()
{
int64 Now = time_get();
if(State() == NET_CONNSTATE_OFFLINE || State() == NET_CONNSTATE_ERROR)
return 0;
// check for timeout
if(State() != NET_CONNSTATE_OFFLINE &&
State() != NET_CONNSTATE_CONNECT &&
(Now-m_LastRecvTime) > time_freq()*10)
{
m_State = NET_CONNSTATE_ERROR;
SetError("timeout");
}
// fix resends
if(m_Buffer.First())
{
CNetChunkResend *pResend = m_Buffer.First();
// check if we have some really old stuff laying around and abort if not acked
if(Now-pResend->m_FirstSendTime > time_freq()*10)
{
m_State = NET_CONNSTATE_ERROR;
SetError("too weak connection (not acked for 10 seconds)");
}
else
{
// resend packet if we havn't got it acked in 1 second
if(Now-pResend->m_LastSendTime > time_freq())
ResendChunk(pResend);
}
}
// send keep alives if nothing has happend for 250ms
if(State() == NET_CONNSTATE_ONLINE)
{
if(time_get()-m_LastSendTime > time_freq()/2) // flush connection after 500ms if needed
{
int NumFlushedChunks = Flush();
if(NumFlushedChunks && g_Config.m_Debug)
dbg_msg("connection", "flushed connection due to timeout. %d chunks.", NumFlushedChunks);
}
if(time_get()-m_LastSendTime > time_freq())
SendControl(NET_CTRLMSG_KEEPALIVE, 0, 0);
}
else if(State() == NET_CONNSTATE_CONNECT)
{
if(time_get()-m_LastSendTime > time_freq()/2) // send a new connect every 500ms
SendControl(NET_CTRLMSG_CONNECT, 0, 0);
}
else if(State() == NET_CONNSTATE_PENDING)
{
if(time_get()-m_LastSendTime > time_freq()/2) // send a new connect/accept every 500ms
SendControl(NET_CTRLMSG_CONNECTACCEPT, 0, 0);
}
return 0;
}
