/// <summary>
/// 连接HDA服务器
/// </summary>
/// <param name="hostName">主机名称或者IP</param>
/// <param name="serverName">服务器名称</param>
public bool Connect()
{
Opc.URL url = new Opc.URL(String.Format("opchda://" + _hostName + @"/{0}", _serverName));
OpcCom.Factory fact = new OpcCom.Factory();
_hdaServer = new Opc.Hda.Server(fact, url);
try
{
_hdaServer.Connect();
//Console.WriteLine(String.Format("Connect to server {0}", serverName));
}
catch (Opc.ConnectFailedException opcConnExc)
{
Console.WriteLine(String.Format("Could not connect to server {0}", _serverName));
Console.WriteLine(opcConnExc.ToString());
//return false;
}
return(_hdaServer.IsConnected ? true : false);
//Console.WriteLine("Are we connected? " + _hdaServer.IsConnected);
}
public void Work()
{
int i = 5;
if (i == 1)
{
url = new Opc.URL("opcda://192.168.0.4/OPC.PHDServerDA.1");
server = new Opc.Da.Server(fact, null);
server.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
Opc.Da.Item[] itemCollection = new Opc.Da.Item[1];
itemCollection[0] = new Opc.Da.Item {
ItemName = "RTOS.TEST.PV", MaxAge = -1
};
Opc.Da.ItemValueResult[] result = server.Read(itemCollection);
Console.WriteLine(result[0].Value);
server.Disconnect();
}
else if (i == 2)
{
url = new Opc.URL("opcda://192.168.0.4/OPC.PHDServerDA.1");
server = new Opc.Da.Server(fact, null);
server.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
groupState = new Opc.Da.SubscriptionState();
groupState.Name = "Group";
groupState.ServerHandle = null;
groupState.ClientHandle = Guid.NewGuid().ToString();
groupState.Active = true;
groupState.UpdateRate = 1000;
groupState.Deadband = 0;
groupState.Locale = null;
groupRead = (Opc.Da.Subscription)server.CreateSubscription(groupState);
string[] itemName = { "RTOS.TEST.PV", "RTOR.TI1237.DACA.PV" };
Opc.Da.Item[] items = new Opc.Da.Item[2];
for (int j = 0; j < items.Length; j++)
{
items[j] = new Opc.Da.Item();
items[j].ClientHandle = Guid.NewGuid().ToString();
items[j].ItemPath = null;
items[j].ItemName = itemName[j];
}
groupRead.AddItems(items);
//groupRead.DataChanged += new Opc.Da.DataChangedEventHandler(group_DataChanged);
Opc.Da.ItemValueResult[] results = groupRead.Read(groupRead.Items);
foreach (ItemValueResult result in results)
{
Console.WriteLine("{0},{1},{2},{3}", result.ItemName, result.Value, result.Quality, result.Timestamp);
}
//groupRead.DataChanged -= new Opc.Da.DataChangedEventHandler(group_DataChanged);
groupRead.RemoveItems(groupRead.Items);
server.CancelSubscription(groupRead);
groupRead.Dispose();
server.Disconnect();
}
else if (i == 3)
{
url = new Opc.URL("opcda://192.168.0.4/OPC.PHDServerDA.1");
server = new Opc.Da.Server(fact, null);
server.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
groupState = new Opc.Da.SubscriptionState();
groupState.Name = "Group";
groupState.ServerHandle = null;
groupState.ClientHandle = Guid.NewGuid().ToString();
groupState.Active = true;
groupState.UpdateRate = 1000;
groupState.Deadband = 0;
groupState.Locale = null;
groupWrite = (Opc.Da.Subscription)server.CreateSubscription(groupState);
string[] itemName = { "RTOS.TEST.PV", "RTOS.TEST2.PV" };
Opc.Da.Item[] items = new Opc.Da.Item[2];
for (int j = 0; j < items.Length; j++)
{
items[j] = new Opc.Da.Item();
items[j].ClientHandle = Guid.NewGuid().ToString();
items[j].ItemPath = null;
items[j].ItemName = itemName[j];
}
groupWrite.AddItems(items);
//groupRead.DataChanged += new Opc.Da.DataChangedEventHandler(group_DataChanged);
Opc.Da.ItemValue[] writeValues = new Opc.Da.ItemValue[groupWrite.Items.Length];
for (int k = 0; k < groupWrite.Items.Length; k++)
{
writeValues[k] = new Opc.Da.ItemValue((ItemIdentifier)groupWrite.Items[k]);
}
writeValues[0].Value = 5;
writeValues[1].Value = 6;
groupWrite.Write(writeValues);
Console.WriteLine("Press any key to close...");
Console.ReadLine();
//groupRead.DataChanged -= new Opc.Da.DataChangedEventHandler(group_DataChanged);
groupWrite.RemoveItems(groupWrite.Items);
server.CancelSubscription(groupWrite);
groupWrite.Dispose();
server.Disconnect();
}
else if (i == 4)
{
url = new Opc.URL("opchda://192.168.0.4/OPC.PHDServerHDA.1");
serverHda = new Opc.Hda.Server(fact, null);
serverHda.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
try
{
}
catch (Opc.ConnectFailedException opcConnEx)
{
Console.WriteLine(string.Format("Could not connect to server {0}", "OPC.PHDServerHDA.1"));
Console.WriteLine(opcConnEx.ToString());
}
Console.WriteLine("Are we connected? " + serverHda.IsConnected);
string[] itemName = { "RTOS.TEST.PV", "RTOS.TEST2.PV" };
Opc.Hda.Trend groupHda = new Trend(serverHda);
groupHda.Name = "HDA";
groupHda.AggregateID = AggregateID.NOAGGREGATE;
DateTime startTime = DateTime.Now.AddHours(-1);
DateTime endTime = DateTime.Now;
groupHda.StartTime = new Opc.Hda.Time(startTime);
groupHda.EndTime = new Opc.Hda.Time(endTime);
groupHda.MaxValues = 0;
groupHda.IncludeBounds = false;
serverHda.Trends.Add(groupHda);
Opc.Hda.Item[] items = new Opc.Hda.Item[2];
for (int m = 0; m < 2; m++)
{
items[m] = new Opc.Hda.Item();
items[m].ItemName = itemName[m];
items[m].ItemPath = null;
items[m].ClientHandle = Guid.NewGuid().ToString();
}
IdentifiedResult[] identifiedResult = serverHda.CreateItems(items);
if (identifiedResult != null)
{
foreach (IdentifiedResult item in identifiedResult)
{
if (item.ResultID.Succeeded())
{
groupHda.Items.Add(new Opc.Hda.Item(item));
}
}
}
Opc.Hda.ItemValueCollection[] results = groupHda.ReadRaw();
Opc.Hda.ItemValueCollection result1 = results[0];
foreach (Opc.Hda.ItemValue result in result1)
{
Console.WriteLine("{0},{1},{2}", result.Value, result.Quality, result.Timestamp);
}
serverHda.Disconnect();
}
else if (i == 5)
{
url = new Opc.URL("opchda://192.168.0.4/OPC.PHDServerHDA.1");
serverHda = new Opc.Hda.Server(fact, null);
serverHda.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential()));
try
{
}
catch (Opc.ConnectFailedException opcConnEx)
{
Console.WriteLine(string.Format("Could not connect to server {0}", "OPC.PHDServerHDA.1"));
Console.WriteLine(opcConnEx.ToString());
}
Console.WriteLine("Are we connected? " + serverHda.IsConnected);
string[] itemName = { "RTOR.TI1237.DACA.PV", "RTOS.TEST2.PV" };
Opc.Hda.Trend groupHda = new Trend(serverHda);
groupHda.Name = "HDA";
groupHda.AggregateID = AggregateID.AVERAGE;
DateTime startTime = DateTime.Now.AddHours(-1);
DateTime endTime = DateTime.Now;
//TimeSpan span = endTime.Subtract(startTime);
//int calcInterval = ((int)span.TotalSeconds);
//groupHda.ResampleInterval = (decimal)calcInterval;
//DateTime startTime = new DateTime(2020, 6, 12, 9, 0, 0, 0);
//DateTime endTime = new DateTime(2020, 6, 12, 10, 0, 0, 0);
int calcInterval = 300;
groupHda.ResampleInterval = (decimal)calcInterval;
groupHda.StartTime = new Opc.Hda.Time(startTime);
groupHda.EndTime = new Opc.Hda.Time(endTime);
groupHda.MaxValues = 0;
groupHda.IncludeBounds = false;
serverHda.Trends.Add(groupHda);
Opc.Hda.Item[] items = new Opc.Hda.Item[2];
for (int m = 0; m < 2; m++)
{
items[m] = new Opc.Hda.Item();
items[m].ItemName = itemName[m];
items[m].ItemPath = null;
items[m].ClientHandle = Guid.NewGuid().ToString();
}
IdentifiedResult[] identifiedResult = serverHda.CreateItems(items);
if (identifiedResult != null)
{
foreach (IdentifiedResult item in identifiedResult)
{
if (item.ResultID.Succeeded())
{
groupHda.Items.Add(new Opc.Hda.Item(item));
}
}
}
Opc.Hda.ItemValueCollection[] results = groupHda.ReadProcessed();
Opc.Hda.ItemValueCollection result1 = results[0];
foreach (Opc.Hda.ItemValue result in result1)
{
Console.WriteLine("{0},{1},{2}", result.Value, result.Quality, result.Timestamp);
}
serverHda.Disconnect();
}
}
public Opc.Server[] GetAvailableServers(Specification specification, string host, ConnectData connectData)
{
Opc.Server[] serverArray;
lock (this)
{
NetworkCredential credential = (connectData != null) ? connectData.GetCredential(null, null) : null;
this.m_server = (IOPCServerList2)Interop.CreateInstance(CLSID, host, credential);
this.m_host = host;
try
{
ArrayList list = new ArrayList();
Guid guid = new Guid(specification.ID);
IOPCEnumGUID ppenumClsid = null;
Guid[] rgcatidImpl = new Guid[] { guid };
this.m_server.EnumClassesOfCategories(1, rgcatidImpl, 0, null, out ppenumClsid);
Guid[] guidArray = this.ReadClasses(ppenumClsid);
Interop.ReleaseServer(ppenumClsid);
ppenumClsid = null;
foreach (Guid guid2 in guidArray)
{
OpcCom.Factory factory = new OpcCom.Factory();
try
{
URL url = this.CreateUrl(specification, guid2);
Opc.Server server = null;
if (specification == Specification.COM_DA_30)
{
server = new Opc.Da.Server(factory, url);
}
else if (specification == Specification.COM_DA_20)
{
server = new Opc.Da.Server(factory, url);
}
else if (specification == Specification.COM_AE_10)
{
server = new Opc.Ae.Server(factory, url);
}
else if (specification == Specification.COM_HDA_10)
{
server = new Opc.Hda.Server(factory, url);
}
else if (specification == Specification.COM_DX_10)
{
server = new Opc.Dx.Server(factory, url);
}
list.Add(server);
}
catch (Exception)
{
}
}
serverArray = (Opc.Server[])list.ToArray(typeof(Opc.Server));
}
finally
{
Interop.ReleaseServer(this.m_server);
this.m_server = null;
}
}
return(serverArray);
}
// Token: 0x06000004 RID: 4 RVA: 0x000020E4 File Offset: 0x000010E4
public Opc.Server[] GetAvailableServers(Specification specification, string host, ConnectData connectData)
{
Opc.Server[] result;
lock (this)
{
NetworkCredential credential = (connectData != null) ? connectData.GetCredential(null, null) : null;
this.m_server = (IOPCServerList2)Interop.CreateInstance(ServerEnumerator.CLSID, host, credential);
this.m_host = host;
try
{
ArrayList arrayList = new ArrayList();
Guid guid = new Guid(specification.ID);
IOPCEnumGUID iopcenumGUID = null;
this.m_server.EnumClassesOfCategories(1, new Guid[]
{
guid
}, 0, null, out iopcenumGUID);
Guid[] array = this.ReadClasses(iopcenumGUID);
Interop.ReleaseServer(iopcenumGUID);
iopcenumGUID = null;
foreach (Guid clsid in array)
{
Factory factory = new Factory();
try
{
URL url = this.CreateUrl(specification, clsid);
Opc.Server value = null;
if (specification == Specification.COM_DA_30)
{
value = new Opc.Da.Server(factory, url);
}
else if (specification == Specification.COM_DA_20)
{
value = new Opc.Da.Server(factory, url);
}
else if (specification == Specification.COM_AE_10)
{
value = new Opc.Ae.Server(factory, url);
}
else if (specification == Specification.COM_HDA_10)
{
value = new Opc.Hda.Server(factory, url);
}
else if (specification == Specification.COM_DX_10)
{
value = new Opc.Dx.Server(factory, url);
}
arrayList.Add(value);
}
catch (Exception)
{
}
}
result = (Opc.Server[])arrayList.ToArray(typeof(Opc.Server));
}
finally
{
Interop.ReleaseServer(this.m_server);
this.m_server = null;
}
}
return(result);
}
internal HdaServer(string host, string serverName)
{
Host = host;
ServerName = serverName;
_opcHdaServer = new Server(new OpcCom.Factory(), new URL(Url));
}
