private static void Error(object arg, err_t err)
{
TcpCep _this = (TcpCep)arg;
Task wtask = null;
foreach (Task task in _this.m_SendTaskQueue)
{
if ((task.rtsk.tskwait != TSKWAIT.TTW_TCP) ||
(task.rtsk.wid != _this.m_CepID))
{
continue;
}
wtask = task;
break;
}
bool ok = false;
if (wtask != null)
{
ok = wtask.ReleaseWait();
}
if (_this.m_TPcb != null)
{
_this.m_lwIP.tcp.tcp_close(_this.m_TPcb);
}
}
private static err_t Connected(object arg, tcp_pcb tpcb, err_t err)
{
TcpCep _this = (TcpCep)arg;
if (err != err_t.ERR_OK)
{
err = _this.m_lwIP.tcp.tcp_close(tpcb);
return(err);
}
Task wtask = null;
foreach (Task task in _this.m_SendTaskQueue)
{
if ((task.rtsk.tskwait != TSKWAIT.TTW_TCP) ||
(task.rtsk.wid != _this.m_CepID))
{
continue;
}
wtask = task;
break;
}
if (wtask != null)
{
_this.m_SendTaskQueue.Remove(wtask);
_this.NewSession(tpcb);
wtask.ReleaseWait();
}
return(err_t.ERR_OK);
}
private static err_t RecvData(object arg, tcp_pcb tpcb, pbuf p, err_t err)
{
TcpCep _this = (TcpCep)arg;
if (p == null)
{
_this.NetworkToHost(null);
return(err_t.ERR_OK);
}
if (err != err_t.ERR_OK)
{
_this.m_lwIP.pbuf_free(p);
return(err);
}
_this.NetworkToHost(p);
_this.m_lwIP.tcp.tcp_recved(tpcb, p.tot_len);
return(err_t.ERR_OK);
}
internal ER CreateTcpCep(ID cepid, ref T_TCP_CCEP pk_ccep, out ID p_cepid)
{
int i;
//if (pk_ccep == null)
// return ER.E_PAR;
if (cepid == ID.ID_AUTO)
{
//if (p_cepid == 0)
// return ER.E_PAR;
cepid.Value = 1;
for (i = 0; ; i++)
{
if (i >= m_TcpCepTable.Count)
{
TcpCep tcpCep = new TcpCep(cepid, ref pk_ccep, this, m_lwIP);
m_TcpCepTable.Add(tcpCep);
break;
}
if (cepid == m_TcpCepTable[i].CepID)
{
cepid.Value++;
}
else
{
TcpCep tcpCep = new TcpCep(cepid, ref pk_ccep, this, m_lwIP);
m_TcpCepTable.Insert(i, tcpCep);
break;
}
}
p_cepid = cepid;
}
else
{
ID tmpid;
p_cepid = ID.NULL;
for (i = 0; i < m_TcpCepTable.Count; i++)
{
tmpid = m_TcpCepTable[i].CepID;
if (cepid == tmpid)
{
return(ER.E_OBJ);
}
else if (cepid < tmpid)
{
break;
}
}
TcpCep tcpCep = new TcpCep(cepid, ref pk_ccep, this, m_lwIP);
m_TcpCepTable.Insert(i, tcpCep);
}
return(ER.E_OK);
}
public void OnSysTime()
{
bool Retry = false;
m_SysTime.Value += m_SysTmrIntv;
do
{
foreach (CyclicHandler Cyc in m_CyclicHandlerTable)
{
if (Cyc != null)
{
Retry = Cyc.OnTime(m_SysTmrIntv) || Retry;
}
}
} while (Retry);
foreach (Task Task in m_TaskTable)
{
if ((Task != null) &&
((Task.rtsk.tskstat == TSKSTAT.TTS_WAI) || (Task.rtsk.tskstat == TSKSTAT.TTS_WAS)))
{
Task.Progress(m_SysTmrIntv);
}
}
foreach (UdpCep UdpCep in m_UdpCepTable)
{
if ((UdpCep != null) && (UdpCep.State))
{
UdpCep.Progress(m_SysTmrIntv);
}
}
foreach (Udp6Cep Udp6Cep in m_Udp6CepTable)
{
if ((Udp6Cep != null) && (Udp6Cep.State))
{
Udp6Cep.Progress(m_SysTmrIntv);
}
}
foreach (TcpCep TcpCep in m_TcpCepTable)
{
if ((TcpCep != null) && (TcpCep.State))
{
TcpCep.Progress(m_SysTmrIntv);
}
}
foreach (Task Task in m_TaskTable)
{
if ((Task != null) &&
((Task.rtsk.tskstat == TSKSTAT.TTS_WAI) || (Task.rtsk.tskstat == TSKSTAT.TTS_WAS)))
{
Task.CallTimeOut();
}
}
foreach (UdpCep UdpCep in m_UdpCepTable)
{
if ((UdpCep != null) && (UdpCep.State))
{
UdpCep.CallTimeOut();
}
}
foreach (Udp6Cep Udp6Cep in m_Udp6CepTable)
{
if ((Udp6Cep != null) && (Udp6Cep.State))
{
Udp6Cep.CallTimeOut();
}
}
foreach (TcpCep TcpCep in m_TcpCepTable)
{
if ((TcpCep != null) && (TcpCep.State))
{
TcpCep.CallTimeOut();
}
}
}
internal ER Accept(tcp_pcb_listen pcb, TcpCep cep, T_IPV4EP p_dstaddr, TMO tmout)
{
ER ret;
m_Pcb = pcb;
m_TcpCep = cep;
tcp.tcp_accept(pcb, Accepting);
Task task = m_Nucleus.GetTask(ID.TSK_SELF);
if ((tmout != 0) && (task == null))
{
return(ER.E_CTX);
}
//if (p_dstaddr == null)
// return ER.E_PAR;
if ((m_TskQueue.First == null) && (m_AcceptQueue.First != null))
{
m_NewPcb = m_AcceptQueue.First.Value;
m_AcceptQueue.RemoveFirst();
p_dstaddr.ipaddr = lwip.lwip_ntohl(m_NewPcb.remote_ip.addr);
p_dstaddr.portno = lwip.lwip_ntohs(m_NewPcb.remote_port);
}
else
{
if (task == null)
{
return(ER.E_TMOUT);
}
if (tmout == 0)
{
return(ER.E_TMOUT);
}
ret = task.Wait(m_TskQueue, TSKWAIT.TTW_ACP, m_RepID, tmout);
switch (ret)
{
case ER.E_OK:
if (m_AcceptQueue.First == null)
{
return(ER.E_RLWAI);
}
m_NewPcb = m_AcceptQueue.First.Value;
m_AcceptQueue.RemoveFirst();
p_dstaddr.ipaddr = lwip.lwip_ntohl(m_NewPcb.remote_ip.addr);
p_dstaddr.portno = lwip.lwip_ntohs(m_NewPcb.remote_port);
break;
case ER.E_TMOUT:
return(ER.E_TMOUT);
default:
return(ER.E_RLWAI);
}
}
return(ER.E_OK);
}
