public void WriteValues(string host, string serviceProgId, string groupKey, Dictionary <string, object> itemValuePairs)
{
OpcDaService server = GetOpcDaService(host, serviceProgId);
if (server == null)
{
return;
}
if (server.OpcDaGroupS.ContainsKey(groupKey) == true)
{
OpcDaGroup group = server.OpcDaGroupS[groupKey];
var keyList = itemValuePairs.Keys.ToList();
List <OpcDaItem> itemList = new List <OpcDaItem>();
keyList.ForEach(ids =>
{
var daItem = group.Items
.Where(a => a.ItemId == ids)
.FirstOrDefault();
itemList.Add(daItem);
});
object[] dd = itemValuePairs.Values.ToArray();
HRESULT[] res = group.Write(itemList, dd);
LogHelper.Log("Write HRESULT " + res.ToString());
}
}
public void AddGroup(OpcDaService server, string groupKey, TreeNode groupNode, int interval, int count)
{
if (server.Service == null)
{
return;
}
foreach (TreeNode tmpNode in groupNode.Nodes)
{
if (tmpNode.Checked)
{
string md5Str = groupKey + tmpNode.Text;
OpcDaGroup group = null;
if (server.OpcDaGroupS.ContainsKey(md5Str) == false)
{
group = server.Service.AddGroup(md5Str); // maybe cost lot of time
server.OpcDaGroupS.Add(md5Str, group);
group.IsActive = true;
group.UserData = groupNode;
List <OpcDaItemDefinition> itemDefList = new List <OpcDaItemDefinition>();
var def = new OpcDaItemDefinition
{
ItemId = tmpNode.Text,
UserData = groupKey,
IsActive = true
};
itemDefList.Add(def);
group.AddItems(itemDefList);
GroupEntity groupEntity = new GroupEntity()
{
Host = server.Host,
ProgId = server.ServiceId
};
groupCollection.Add(md5Str, groupEntity);
group.UpdateRate = TimeSpan.FromMilliseconds(interval); // 1000毫秒触发一次
}
else
{
group = server.OpcDaGroupS[md5Str];
}
groupKeys.Add(md5Str);
group.ValuesChanged += MonitorValuesChanged;
SetGroupFlag(groupKey, count);
// LogHelper.Log("GroupFlag " + GetGroupFlag(groupKey).ToString(), (int)LogHelper.Level.INFO);
}
// GetUnits(group);
// LogHelper.Log("aaa: " + GetUnits(group), (int)LogHelper.Level.INFO);
}
}
public OpcDaService GetOpcDaService(string host, string serviceProgId)
{
var service = hostCollection.Where(a => a.ServiceIds.Contains(serviceProgId) && a.Host == host)
.FirstOrDefault();
if (service == null)
{
return(null);
}
OpcDaService service1 = null;
if (CheckServiceExisted(service, serviceProgId))
{
service1 = opcDaServices.Find(item => { return(item.Host == service.Host && item.ServiceId == serviceProgId); });
}
else
{
OpcDaServer daService = new OpcDaServer(serviceProgId, service.Host);
service1 = new OpcDaService()
{
Host = service.Host,
ServiceId = serviceProgId,
Service = daService,
OpcDaGroupS = new Dictionary <string, OpcDaGroup>()
};
opcDaServices.Add(service1);
}
if (service1.Service.IsConnected == false)
{
try
{
service1.Service.ConnectionStateChanged += new EventHandler <OpcDaServerConnectionStateChangedEventArgs>(ConnectionStateChanged);
service1.Service.Connect();
}
catch (Exception e)
{
LogHelper.Log("Connect " + service1.Host + ", ServiceId " + service1.ServiceId + "error!!" + e.Message);
}
}
return(service1);
}
public void StartMonitor(string groupKey, List <string> items, string serverID, string host = "127.0.0.1")
{
JsonArray properties = new JsonArray();
OpcDaService server = GetOpcDaService(host, serverID);
if (server == null)
{
return;
}
foreach (string item in items)
{
string md5Str = groupKey + item;
if (server.OpcDaGroupS.ContainsKey(md5Str) == false)
{
OpcDaGroup group = server.Service.AddGroup(md5Str); // maybe cost lot of time
group.IsActive = true;
server.OpcDaGroupS.Add(md5Str, group);
List <OpcDaItemDefinition> itemDefList = new List <OpcDaItemDefinition>();
var def = new OpcDaItemDefinition
{
ItemId = item,
UserData = groupKey,
IsActive = true
};
itemDefList.Add(def);
group.AddItems(itemDefList);
groupKeys.Add(md5Str);
SetGroupFlag(groupKey, 0);
LogHelper.Log("StartMonitoring is groupId " + md5Str + " interval " + "1000 ms", (int)LogHelper.Level.INFO);
setItemsCount(groupKey, group);
group.UpdateRate = TimeSpan.FromMilliseconds(1000); // 1000毫秒触发一次
group.ValuesChanged += MonitorValuesChanged;
if (!groupCollection.ContainsKey(md5Str))
{
GroupEntity groupEntity = new GroupEntity()
{
Host = server.Host,
ProgId = server.ServiceId
};
groupCollection.Add(md5Str, groupEntity);
}
LogHelper.Log("groupKeygroupKeygroupKey: " + groupKey);
// LogHelper.Log("aaaa: " + GetUnits(group), (int)LogHelper.Level.INFO);
}
}
}
public string StartMonitoringItems(string host, string serviceProgId, TreeNode groupNode, int interval, int count)
{
OpcDaService server = GetOpcDaService(host, serviceProgId);
string groupKey = OPCDAViewHelper.Key(groupNode.Text);
if (server == null)
{
LogHelper.Log("StartMonitoringItems is null");
return(null);
}
// if (server.OpcDaGroupS.Count == 0 || !server.OpcDaGroupS.ContainsKey(groupKey))
// {
LogHelper.Log("StartMonitoringItems is host opcda://" + host + "/" + serviceProgId);
AddGroup(server, groupKey, groupNode, interval, count);
// }
return(groupKey);
}
public List <Item> ReadItemsValues(string host, string serverID, string groupKey)
{
OpcDaService server = GetOpcDaService(host, serverID);
if (server == null)
{
return(null);
}
if (server.OpcDaGroupS.ContainsKey(groupKey) == true)
{
OpcDaGroup group = server.OpcDaGroupS[groupKey];
OpcDaItemValue[] values = group.Read(group.Items, OpcDaDataSource.Device);
if (values.Length != group.Items.Count)
{
LogHelper.Log($"values.Length(${values.Length}) != group.Items.Count(${group.Items.Count}) ");
return(null);
}
List <Item> itemValues = new List <Item>();
for (int i = 0; i < values.Length; ++i)
{
Item it = new Item();
it.ItemId = group.Items[i].ItemId;
it.Data = values[i].Value;
if (values[i].Value != null)
{
it.Data = values[i].Value;
it.Type = values[i].Value.GetType().ToString();
itemValues.Add(it);
}
}
return(itemValues);
}
return(null);
}
public void StopMonitoringItems(string md5Str)
{
if (groupCollection.ContainsKey(md5Str))
{
LogHelper.Log("StopMonitoringItems: " + md5Str);
Thread.Sleep(100);
string host = groupCollection[md5Str].Host;
string serviceProgId = groupCollection[md5Str].ProgId;
OpcDaService server = GetOpcDaService(host, serviceProgId);
if (server == null)
{
LogHelper.Log("StopMonitoringItems is null");
return;
}
// OpcDaGroup group = server.OpcDaGroupS[groupKey];
OpcDaGroup group = server.OpcDaGroupS[md5Str];
group.ValuesChanged -= MonitorValuesChanged;
// server.OpcDaGroupS.Remove(groupKey);
// server.Service.RemoveGroup(group);
// groupCollection.Remove(groupKey);
// groupFlagCollection.Remove(groupKey);
}
}
