public IEnumerator ConnectCoroutine(string _sIp, ushort _usPort, CONNECTION_MODE _eConnectionMode = CONNECTION_MODE.LINEAR)
{
m_sIp = _sIp;
m_usPort = _usPort;
try {
m_bConnected = false;
m_bSyncConnected = false;
m_bAsyncConnected = false;
IPAddress oIp;
if (IPAddress.TryParse(_sIp, out oIp) == false)
{
IPHostEntry hst = Dns.GetHostEntry(_sIp);
_sIp = hst.AddressList[0].ToString();
}
//----------------------------------------------------------------
//Connect asynchronous client
m_oAsyncTCPSocket = new Socket(IPAddress.Parse(_sIp).AddressFamily, SocketType.Stream, ProtocolType.Tcp);
m_oAsyncTCPSocket.ReceiveTimeout = m_usConnectTimeout;
m_oAsyncTCPSocket.SendTimeout = m_usConnectTimeout;
switch (_eConnectionMode)
{
case CONNECTION_MODE.PARALLEL:
m_oAsyncTCPSocket.BeginConnect(new IPEndPoint(IPAddress.Parse(_sIp), _usPort), new AsyncCallback(ConnectCoroutineCallback), null);
break;
case CONNECTION_MODE.LINEAR:
default:
m_oAsyncTCPSocket.Connect(new IPEndPoint(IPAddress.Parse(_sIp), _usPort));
break;
}
#if !UNITY_ANDROID
m_oAsyncTCPSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendTimeout, m_usTimeout);
m_oAsyncTCPSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, m_usTimeout);
m_oAsyncTCPSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.NoDelay, 1);
#endif
//----------------------------------------------------------------
//Connect synchronous client
m_oSyncTCPSocket = new Socket(IPAddress.Parse(_sIp).AddressFamily, SocketType.Stream, ProtocolType.Tcp);
m_oSyncTCPSocket.ReceiveTimeout = m_usConnectTimeout;
m_oSyncTCPSocket.SendTimeout = m_usConnectTimeout;
switch (_eConnectionMode)
{
case CONNECTION_MODE.PARALLEL:
m_oSyncTCPSocket.BeginConnect(new IPEndPoint(IPAddress.Parse(_sIp), _usPort), new AsyncCallback(ConnectCoroutineCallback), null);
break;
case CONNECTION_MODE.LINEAR:
default:
m_oSyncTCPSocket.Connect(new IPEndPoint(IPAddress.Parse(_sIp), _usPort));
break;
}
#if !UNITY_ANDROID
m_oSyncTCPSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendTimeout, m_usTimeout);
m_oSyncTCPSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, m_usTimeout);
m_oSyncTCPSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.NoDelay, 1);
#endif
if (_eConnectionMode == CONNECTION_MODE.LINEAR)
{
m_bConnected = true;
}
} catch {
m_bConnected = false;
m_bSyncConnected = false;
m_bAsyncConnected = false;
Debug.Log("Error connection on ConnectCoroutine");
}
yield break;
}
//------------------------------------------------------------------------
/// <summary>Start connection to slave.</summary>
/// <param name="_sIp">IP adress of modbus slave.</param>
/// <param name="_usPort">Port number of modbus slave. Usually port 502 is used.</param>
public void ConnectWithCoroutine(string _sIp, ushort _usPort, CONNECTION_MODE _eConnectionMode = CONNECTION_MODE.LINEAR)
{
m_sIp = _sIp;
m_usPort = _usPort;
StartCoroutine(ConnectCoroutine(_sIp, _usPort, _eConnectionMode));
}