COMMUNICATION — 通信通道控制

// 连接接收事件
COM["MES"].LinkModuleName = "MES";
COM["MES"].LinkFunctionName = "OnReceiveFromServer";
 
// 连接连接事件
COM["MES"].ConnectedLinkModuleName = "MES";
COM["MES"].ConnectedLinkFunctionName = "OnConnected";
 
FUNCTION OnReceiveFromServer(string data)
{
    Log("READ: '{0}'", data);
 
    array items = STR.ParseCommaString(data);
    for (i, 0, items.Count - 1)
    {
        string line = items[i];
        if (line == "")
        {
            continue;
        }
 
        array pair = STR.ParseSplitString(line, ":");
        string name = pair[0];
        string value = pair[1];
 
        if (TodoSomething(name, value) == false)
        {
            continue;
        }
    }
    return true;
}
 
FUNCTION SendToServer(string data)
{
    if (COM["MES"].WriteStr(data) == false)
    {
        return false;
    }
    return true;
}

FUNCTION Send(int unit, string cmd, string data, bool wait)
{
    if (COM["Cube"].IsOpen() == false)
    {
        return false;
    }
 
    int unit_no = Common::GetUnitNo(unit);
    ResponseOk = false;
    string sendData;
 
    if (STR.IsNullOrWhiteSpace(data))
    {
        sendData = MakeSendData(unit_no, cmd);
    }
    else
    {
        sendData = MakeSendData(unit_no, cmd + "," + data);
    }
 
    LastCommand = cmd;
 
    if (COM["Cube"].WriteStr(sendData) == false)
    {
        return false;
    }
 
    if (wait == false)
    {
        return true;
    }
 
    int start = SYS.GetTickCount();
    while (true)
    {
        if (ResponseOk)
        {
            break;
        }
        Sleep(20);
        if (SYS.GetTickCount() - start > TCP_TIMEOUT)
        {
            return false;
        }
    }
 
    return ReplyOk;
}