public int BatchWrite(SortedDictionary <ITag, object> items, bool isSync = true)
{
int rev = ExtMethods.BatchWrite(items);
if (DataChange != null && rev >= 0)
{
int len = items.Count;
HistoryData[] data = new HistoryData[len];
int i = 0;
foreach (var item in items)
{
ITag tag = item.Key;
data[i].ID = tag.ID;
data[i].TimeStamp = tag.TimeStamp;
data[i].Quality = tag.Quality;
data[i].Value = item.Key.ToStorage(item.Value);
i++;
}
foreach (DataChangeEventHandler deleg in DataChange.GetInvocationList())
{
deleg.BeginInvoke(this, new DataChangeEventArgs(1, data), null, null);
}
}
return(rev);
}
public void Update()
{
DateTime dt = DateTime.Now;
FileData[] list = _fileReader.ReadAll(_id);
if (list != null)
{
if (DataChange != null)
{
List <HistoryData> hdata = new List <HistoryData>();
foreach (ITag tag in _items)
{
int index = Array.BinarySearch(list, new FileData {
ID = tag.ID
});
if (index >= 0)
{
FileData data = list[index];
if (tag.Address.VarType == DataType.STR)
{
if (data.Text != tag.ToString())
{
(tag as StringTag).String = data.Text;
tag.Update(Storage.Empty, dt, QUALITIES.QUALITY_GOOD);
}
continue;
}
if (tag.Value != data.Value)
{
tag.Update(data.Value, dt, QUALITIES.QUALITY_GOOD);
hdata.Add(new HistoryData(data.ID, QUALITIES.QUALITY_GOOD, data.Value, dt));
}
}
}
foreach (DataChangeEventHandler deleg in DataChange.GetInvocationList())
{
deleg.BeginInvoke(this, new DataChangeEventArgs(1, hdata), null, null);
}
}
else
{
foreach (ITag tag in _items)
{
int index = Array.BinarySearch(list, new FileData {
ID = tag.ID
});
if (index >= 0)
{
if (tag.Value != list[index].Value)
{
tag.Update(list[index].Value, dt, QUALITIES.QUALITY_GOOD);
}
}
}
}
}
}
public virtual int BatchWrite(SortedDictionary <ITag, object> items, bool isSync = true)
{
int len = items.Count;
int rev = 0;
IMultiReadWrite multi = _plcReader as IMultiReadWrite;
if (multi != null)
{
DeviceAddress[] addrs = new DeviceAddress[len];
object[] objs = new object[len];
int i = 0;
foreach (var item in items)
{
addrs[i] = item.Key.Address;
objs[i] = item.Value;
i++;
}
rev = multi.WriteMultiple(addrs, objs);
}
else
{
foreach (var tag in items)
{
if (tag.Key.Write(tag.Value) < 0)
{
rev = -1;
}
}
}
if (DataChange != null && rev >= 0)
{
HistoryData[] data = new HistoryData[len];
int i = 0;
foreach (var item in items)
{
ITag tag = item.Key;
data[i].ID = tag.ID;
data[i].TimeStamp = tag.TimeStamp;
data[i].Quality = tag.Quality;
data[i].Value = item.Key.ToStorage(item.Value);
i++;
}
foreach (DataChangeEventHandler deleg in DataChange.GetInvocationList())
{
deleg.BeginInvoke(this, new DataChangeEventArgs(1, data), null, null);
}
}
return(rev);
}
/// <summary>
/// 主通信流程：Step 6：根据数据更新上位机相关信息
/// </summary>
protected void Update()
{
DateTime dt = DateTime.Now;
if (DataChange != null)
{
HistoryData[] values = new HistoryData[_changedList.Count];
int i = 0;
foreach (int index in _changedList)
{
ITag item = _items[index];
var itemData = item.Read();//这是从缓存Cache中读取的数据
if (item.Active)
{
item.Update(itemData, dt, QUALITIES.QUALITY_GOOD);
}
/*
* 下面的语言判断是否要更新有变化的Itag:
* 1.对敏感度为零的，只要有任何变化都要更新；？？浮点数和零 比较大小
* 2.对于浮点数，新值的变化要超过敏感的 百分比
*/
if (_deadband == 0 || (item.Address.VarType == DataType.FLOAT &&
(Math.Abs(itemData.Single / item.Value.Single - 1) > _deadband)))
{
values[i].ID = item.ID;
values[i].Quality = item.Quality;
values[i].Value = itemData;
values[i].TimeStamp = item.TimeStamp;
i++;
}
}
foreach (DataChangeEventHandler deleg in DataChange.GetInvocationList()) //批量调用绑定在事件上面的委托
{
deleg.BeginInvoke(this, new DataChangeEventArgs(1, values), null, null); //只在这个地方，才去调用绑定的事件，对那些更新周期为零的变量进行存储，存储周期随Group
}
}
else
{
foreach (int index in _changedList)
{
ITag item = _items[index];
if (item.Active)
{
item.Update(item.Read(), dt, QUALITIES.QUALITY_GOOD);
}
}
}
}
protected void Update()
{
DateTime dt = DateTime.Now;
if (DataChange != null)
{
HistoryData[] values = new HistoryData[_changedList.Count];
int i = 0;
foreach (int index in _changedList)
{
ITag item = _items[index];
var itemData = item.Read();
if (item.Active)
{
item.Update(itemData, dt, QUALITIES.QUALITY_GOOD);
}
if (_deadband == 0 || (item.Address.VarType == DataType.FLOAT &&
(Math.Abs(itemData.Single / item.Value.Single - 1) > _deadband)))
{
values[i].ID = item.ID;
values[i].Quality = item.Quality;
values[i].Value = itemData;
values[i].TimeStamp = item.TimeStamp;
i++;
}
}
foreach (DataChangeEventHandler deleg in DataChange.GetInvocationList())
{
deleg.BeginInvoke(this, new DataChangeEventArgs(1, values), null, null);
}
}
else
{
foreach (int index in _changedList)
{
ITag item = _items[index];
if (item.Active)
{
item.Update(item.Read(), dt, QUALITIES.QUALITY_GOOD);
}
}
}
_changedList.Clear();
}
public bool RecieveData(string data) //when sendmessge arrived WM_COPYDATA
{
int index = data.IndexOf('#'); //格式：GroupID#TagID:Value|TagID:Value|TagID:Value
if (index > 0 && data.Substring(0, index) == _id.ToString())
{
string[] strs = data.Right(index).Split('|');
HistoryData[] hdata = new HistoryData[strs.Length];
DateTime date = DateTime.Now;
int i = 0;
foreach (string d in strs)
{
int ind = d.IndexOf(':');
if (ind > 0)
{
short tid;
if (short.TryParse(data.Substring(0, ind), out tid))
{
ITag tag = _server[tid];
if (tag != null)
{
Storage value = Storage.Empty;
DataType type = tag.Address.VarType;
switch (type)
{
case DataType.BOOL:
value.Boolean = Convert.ToBoolean(d.Right(ind));
break;
case DataType.BYTE:
value.Byte = Convert.ToByte(d.Right(ind));
break;
case DataType.WORD:
case DataType.SHORT:
value.Int16 = Convert.ToInt16(d.Right(ind));
break;
case DataType.TIME:
case DataType.INT:
value.Int32 = Convert.ToInt32(d.Right(ind));
break;
case DataType.FLOAT:
value.Single = Convert.ToSingle(d.Right(ind));
break;
case DataType.STR:
break;
}
tag.Update(value, date, QUALITIES.QUALITY_GOOD);//也可以不传值，tag自身refresh
hdata[i].ID = tag.ID;
hdata[i].Value = value;
hdata[i].TimeStamp = date;
hdata[i].Quality = QUALITIES.QUALITY_GOOD;
}
}
}
i++;
}
if (DataChange != null)
{
foreach (DataChangeEventHandler deleg in DataChange.GetInvocationList())
{
deleg.BeginInvoke(this, new DataChangeEventArgs(1, hdata), null, null);
}
}
return(true);
}
return(false);
}
