/// <summary>
/// 枚举OPC SERVER
/// </summary>
private void ServerEnum()
{
string ipAddress = textBox_OpcServerIp.Text;
comboBox_OpcServerList.Items.Clear(); //清空已显示的OPC Server列表
string[] array = _opcHelper.ServerEnum(ipAddress, out string message);
if (!string.IsNullOrWhiteSpace(message))
{
MessageBox.Show(message, "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
//假如Server列表为空，退出方法，否则为ListBoxControl添加Item
if (array.Length == 0)
{
return;
}
comboBox_OpcServerList.Items.AddRange(array);
comboBox_OpcServerList.SelectedIndex = 0;
}
/// <summary>
/// OPC初始化
/// </summary>
private void OpcInit()
{
if (!Config.OpcEnabled)
{
return;
}
Const.WriteConsoleLog(string.Format("开始连接IP地址为{0}的OPC SERVER {1}...", Config.OpcServerIp, Config.OpcServerName));
DataService_Opc dataService_Opc = new DataService_Opc();
opcHelper = new OpcUtilHelper(1000, true);
string[] servers = opcHelper.ServerEnum(Config.OpcServerIp, out _errorMessage);
if (!string.IsNullOrWhiteSpace(_errorMessage))
{
Const.WriteConsoleLog(string.Format("枚举过程中出现问题：{0}", _errorMessage));
goto END_OF_OPC;
}
if (servers == null || !servers.Contains(Config.OpcServerName))
{
Const.WriteConsoleLog(string.Format("无法找到指定OPC SERVER：{0}", Config.OpcServerName));
goto END_OF_OPC;
}
DataTable table = dataService_Opc.GetOpcInfo();
if (table == null || table.Rows.Count == 0)
{
Const.WriteConsoleLog(string.Format("在表中未找到任何OPC记录，将不进行读取或写入", Config.OpcServerName));
goto END_OF_OPC;
}
List <OpcGroupInfo> groups = new List <OpcGroupInfo>();
List <DataRow> dataRows = table.Rows.Cast <DataRow>().ToList();
List <OpcItemInfo> items = null;
int id = 0;
foreach (var row in dataRows)
{
string itemId = row["item_id"].ConvertType <string>();
if (string.IsNullOrWhiteSpace(itemId))
{
continue;
}
int groupId = row["group_id"].ConvertType <int>(), clientHandle = row["record_id"].ConvertType <int>();
string groupName = row["group_name"].ConvertType <string>(), fieldName = row["field_name"].ConvertType <string>();
GroupType type = (GroupType)row["group_type"].ConvertType <int>();
if (groupId != id)
{
id = groupId;
groups.Add(new OpcGroupInfo(null, groupName /*, OpcDatasource*/)
{
GroupType = type, ListItemInfo = new List <OpcItemInfo>()
});
OpcGroupInfo groupInfo = groups.Last();
items = groupInfo.ListItemInfo;
}
items.Add(new OpcItemInfo(itemId, clientHandle, fieldName));
}
opcHelper.ListGroupInfo = groups;
opcHelper.ConnectRemoteServer(Config.OpcServerIp, Config.OpcServerName, out _errorMessage);
Const.WriteConsoleLog(string.Format("OPC连接状态：{0}", opcHelper.OpcConnected));
if (!string.IsNullOrWhiteSpace(_errorMessage))
{
Const.WriteConsoleLog(string.Format("连接过程中出现问题：{0}", _errorMessage));
}
END_OF_OPC :;
}