/** io线程 */
private void onSocketReceiveAsync(IAsyncResult ar)
{
int len = 0;
bool hasError = false;
try
{
len = _socket.EndReceive(ar);
}
catch (Exception e)
{
len = 0;
hasError = true;
// Ctrl.printExceptionForIO(e);
}
if (len > 0)
{
if (!onReceived(len))
{
hasError = true;
}
}
if (!hasError)
{
beginReceive();
}
else
{
if (_socket.Connected)
{
Ctrl.printForIO("preBeClose3 出错时，依然判定连接中");
}
preBeClose(3);
}
}
/** 主线程 */
private void toConnectOnce()
{
Ctrl.print("connectOnce");
createNewContent();
if (_currentInfo == null)
{
Ctrl.errorLog("此时不该没有currentInfo");
toGetDNS();
return;
}
_hostAddress = _currentInfo.getOnce();
_state = Connecting;
_connectTime = 0;
++_currentTryCount;
Ctrl.printForIO("toConnect一次:" + _hostAddress, _content.GetHashCode());
_content.connect(_hostAddress, _port);
}
/** 读失败(IO线程) */
protected void onError(string msg)
{
Ctrl.printForIO("socket读取失败:" + msg);
preBeClose(2);
}
private void toGetDNS()
{
_state = Connecting;
_connectTime = 0;
int index = ++_doIndex;
_currentInfo = _ipInfoDic.get(_host);
if (_currentInfo != null)
{
preConnectAfterAddress();
}
else
{
IPAddress address;
if (!IPAddress.TryParse(_host, out address))
{
Ctrl.debugLog("dns上");
Dns.BeginGetHostAddresses(_host, v =>
{
IPAddress[] addresses = null;
try
{
addresses = Dns.EndGetHostAddresses(v);
}
catch (Exception e)
{
Ctrl.printExceptionForIO(e);
}
ThreadControl.addMainFunc(() =>
{
if (index == _doIndex)
{
if (addresses != null)
{
foreach (IPAddress ipAddress in addresses)
{
Ctrl.print("dns看收到的上地址", ipAddress);
}
_currentInfo = registIPInfo(_host, addresses);
preConnectAfterAddress();
}
else
{
Ctrl.printForIO("解析dns失败");
}
}
else
{
Ctrl.print("dns获取完，已经到下个index");
}
});
}, null);
}
else
{
Ctrl.debugLog("dns下");
_currentInfo = registIPInfo(_host, new[] { address });
preConnectAfterAddress();
}
}
}
