// Class Static ========================================================================
public static SockSess Accept(SockSess sess)
{
try {
Socket sock = sess.sock.Accept();
sock.SendTimeout = 1000;
return(new SockSess(SockType.accept, sock));
} catch (Exception) {
return(null);
}
}
public void SendSession(SockSess sess, byte[] data)
{
ThreadCheck(false);
if (sess.type == SockType.listen)
{
foreach (var child in FindAcceptSession(sess))
{
child.WfifoSet(data);
}
}
else
{
sess.WfifoSet(data);
}
}
public SockSess AddConnect(IPEndPoint ep)
{
ThreadCheck(false);
SockSess retval = SockSess.Connect(ep);
if (retval == null)
{
log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType)
.Warn(String.Format("Connected to {0} failed.", ep.ToString()));
return(null);
}
AddSession(retval);
return(retval);
}
private SockSess[] FindAcceptSession(SockSess sess)
{
List <SockSess> retval = new List <SockSess>();
if (sess.type == SockType.listen)
{
var subset = from s in sess_table
where s.type == SockType.accept && sess.lep.Port == s.lep.Port
select s;
foreach (var item in subset)
{
retval.Add(item);
}
}
return(retval.ToArray());
}
private void DeleteSession(SockSess sess)
{
if (sess_delete != null)
{
sess_delete(this, sess);
}
log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
if (sess.type == SockType.listen)
{
log.Info(String.Format("Session #* deleted from {0}.", sess.lep.ToString()));
}
else
{
log.Info(String.Format("Session #* deleted from {0}.", sess.rep.ToString()));
sess.sock.Shutdown(SocketShutdown.Both);
}
sess.sock.Close();
sess_table.Remove(sess);
}
// Self Methods ========================================================================
private void AddSession(SockSess sess)
{
sess_table.Add(sess);
if (sess_create != null)
{
sess_create(this, sess);
}
log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
if (sess.type == SockType.listen)
{
log.Info(String.Format("Session #L listened at {0}.", sess.lep.ToString()));
}
else if (sess.type == SockType.accept)
{
log.Info(String.Format("Session #A accepted to {0}.", sess.rep.ToString()));
}
else// if (sess.type == SockType.connect)
{
log.Info(String.Format("Session #C connected to {0}.", sess.rep.ToString()));
}
}
public SockSess FindSession(SockType type, IPEndPoint lep, IPEndPoint rep)
{
ThreadCheck(false);
SockSess retval = null;
switch (type)
{
case SockType.listen:
case SockType.connect:
foreach (var item in sess_table)
{
if (item.type == type && item.lep.Equals(lep))
{
retval = item;
break;
}
}
break;
case SockType.accept:
foreach (var item in sess_table)
{
if (item.type == type && item.rep.Equals(rep))
{
retval = item;
break;
}
}
break;
default:
break;
}
return(retval);
}
public void DelSession(SockSess sess)
{
ThreadCheck(false);
sess.eof = true;
}
// Methods ============================================================================
public void Exec(int next)
{
ThreadCheck(true);
if (dispatcher_delegate_table.Count != 0)
{
lock (dispatcher_delegate_table) {
foreach (var item in dispatcher_delegate_table)
{
item.Key.Method.Invoke(item.Key.Target, item.Value);
}
dispatcher_delegate_table.Clear();
}
}
// ** none
if (sess_table.Count == 0)
{
System.Threading.Thread.Sleep(next);
return;
}
// ** read
var subset = from s in sess_table select s.sock;
ArrayList list = new ArrayList(subset.ToArray());
Socket.Select(list, null, null, next);
foreach (var i in list)
{
foreach (var item in sess_table)
{
if (item.sock == i)
{
if (item.type == SockType.listen)
{
SockSess retval = SockSess.Accept(item);
if (retval == null)
{
continue;
}
AddSession(retval);
}
else
{
item.Recv();
}
break;
}
}
}
// ** timeout after read & parse & send & close
foreach (SockSess item in sess_table.ToArray())
{
if (item.type == SockType.accept && DateTime.Now.Subtract(item.tick).TotalSeconds > stall_time)
{
item.eof = true;
}
if (item.RfifoRest() != 0 && sess_parse != null)
{
sess_parse(this, item);
}
item.Send();
if (item.eof == true)
{
if (item.type == SockType.listen)
{
foreach (var i in FindAcceptSession(item))
{
i.eof = true;
}
}
DeleteSession(item);
}
}
}
