Exemplo n.º 1
0
        //private static int ADAM_THREAD_IDX_SEND = 1;
        //private static int ADAM_THREAD_IDX_DONE = 2;
        //private static int ADAM_THREAD_IDX_ACK = 1;
        //private static int ADAM_THREAD_IDX_QUERY = 2;

        /// <summary>
        /// Constructer
        /// </summary>
        /// <param name="recList"></param>
        /// <param name="i_IP"></param>
        public AdamEventServerThread(ref AdamStreamRecList recList, string[] i_IP)
        {
            m_UDPServer    = null;
            m_SocketStream = null;
            m_recList      = recList;
            m_strIP        = i_IP;
            m_bStop        = false;
            CreateCmdArray();

            m_iStatus = ADAM_THREAD_AVAILABLE;
        }
Exemplo n.º 2
0
        private void ThreadMemberFunc()
        {
            int[] cntQuery = new int[m_strIP.Length];
            int   cntRetry = 0;
            int   i;

            byte[]    recvBuf = new byte[(int)ADAM_EVENT.MAX_RECV_BUFF_LEN];
            int       recvLen;
            IPAddress ipAddress;

            byte[]     byIP = null;
            IPEndPoint remoteIPEP;
            EndPoint   remoteEP;

            m_UDPServer = new UDPSocketServer();

            try
            {
                m_UDPServer.Create((int)ADAM_EVENT.IN_PORT);

                Socket sk = m_UDPServer.ServerSocket();
                m_SocketStream = new SocketStream(ref sk, m_UDPServer.SendTimeout, m_UDPServer.ReceiveTimeout);

                m_iStatus = ADAM_THREAD_AVAILABLE;

                //First Query
                //Send Query Cmd
                EndPoint     remoteEP_Query_First;
                IPEndPoint[] remoteIPEP_Query_First = new IPEndPoint[m_strIP.Length];
                for (i = 0; i < m_strIP.Length; i++)
                {
                    remoteIPEP_Query_First[i] = new IPEndPoint(IPAddress.Parse(this.m_strIP[i]), (int)ADAM_EVENT.OUT_PORT);
                    remoteEP_Query_First      = (EndPoint)remoteIPEP_Query_First[i];
                    m_SocketStream.SendUDP(ref remoteEP_Query_First, m_byQuery, m_byQuery.Length);
                }
            }
            catch (Exception ex)
            {
                System.Windows.Forms.MessageBox.Show(ex.ToString());
                m_bStop = false;
            }
            while (!m_bStop)
            {
                try
                {
                    Thread.Sleep(5);
                    m_iStatus = ADAM_THREAD_BUSY;

                    if (m_SocketStream.DataArrive((int)ADAM_EVENT.RECV_WAIT))
                    {
                        for (i = 0; i < (int)ADAM_EVENT.MAX_RECV_BUFF_LEN; i++)
                        {
                            recvBuf[i] = 0;
                        }
                        recvLen = 0;

                        if (m_SocketStream.RecvUDP(out remoteEP, recvBuf, out recvLen) && (recvLen == (int)ADAM_EVENT.PATTERN_LEN || recvLen == (int)ADAM_EVENT.PATTERN_LEN32))
                        {
                            remoteIPEP = (IPEndPoint)remoteEP;
                            ipAddress  = remoteIPEP.Address;

                            for (i = 0; i < m_strIP.Length; i++)
                            {
                                if (m_strIP[i] == ipAddress.ToString())
                                {
                                    cntQuery[i] = 0;                                                            //Reset Query retry counter

                                    m_recList.PushStreamRec(ipAddress, recvBuf, recvLen);

                                    //Send ACK Cmd
                                    EndPoint   remoteEP_ACK;
                                    IPEndPoint remoteIPEP_ACK = new IPEndPoint(ipAddress, (int)ADAM_EVENT.OUT_PORT);
                                    remoteEP_ACK = (EndPoint)remoteIPEP_ACK;

                                    cntRetry = 0;
                                    while (cntRetry++ < (int)ADAM_EVENT.MAX_RETRY)
                                    {
                                        Thread.Sleep(5);
                                        if (m_SocketStream.SendUDP(ref remoteEP_ACK, m_byACK, m_byACK.Length))
                                        {
                                            break;
                                        }
                                    }
                                    break;
                                }
                            }
                        }
                    }
                    else
                    {
                        for (i = 0; i < m_strIP.Length; i++)
                        {
                            if (++cntQuery[i] > 100)
                            {
                                cntQuery[i] = 2;
                            }
                            if (cntQuery[i] > 2)                             // retry more than 2 times
                            {
                                IPAddress ipTemp;
                                ipTemp = IPAddress.Parse(this.m_strIP[i]);
                                byIP   = ipTemp.GetAddressBytes();
                                m_recList.PushEventRec(byIP, 0, 0, (int)EVENT_TYPE.CONNECT, (int)EVENT_STATUS.LOST, 0);
                            }

                            //Send Query Cmd
                            EndPoint   remoteEP_Query;
                            IPEndPoint remoteIPEP_Query = new IPEndPoint(IPAddress.Parse(this.m_strIP[i]), (int)ADAM_EVENT.OUT_PORT);
                            remoteEP_Query = (EndPoint)remoteIPEP_Query;
                            m_SocketStream.SendUDP(ref remoteEP_Query, m_byQuery, m_byQuery.Length);
                        }
                    }
                }
                catch (ThreadAbortException exAbort)
                {
                    string strTemp = exAbort.Message;
                    m_SocketStream = null;
                    if (m_UDPServer != null)
                    {
                        m_UDPServer.Terminate();
                        m_UDPServer = null;
                    }
                    m_iStatus = ADAM_THREAD_IDX_EXIT;
                    break;
                }
                catch (Exception ex)
                {
                    System.Windows.Forms.MessageBox.Show("Exception:" + ex.ToString() + "\nThe server will terminate!");
                    m_SocketStream = null;
                    if (m_UDPServer != null)
                    {
                        m_UDPServer.Terminate();
                        m_UDPServer = null;
                    }
                    m_iStatus = ADAM_THREAD_IDX_EXIT;
                    break;
                }
            }

            m_SocketStream = null;
            if (m_UDPServer != null)
            {
                m_UDPServer.Terminate();
                m_UDPServer = null;
            }
            m_iStatus = ADAM_THREAD_IDX_EXIT;
        }