public Trend(Opc.Hda.Server server)
{
this.m_server = null;
this.m_name = null;
this.m_aggregateID = 0;
this.m_startTime = null;
this.m_endTime = null;
this.m_maxValues = 0;
this.m_includeBounds = false;
this.m_resampleInterval = 0M;
this.m_timestamps = new ItemTimeCollection();
this.m_items = new ItemCollection();
this.m_updateInterval = 0M;
this.m_playbackInterval = 0M;
this.m_playbackDuration = 0M;
this.m_subscription = null;
this.m_playback = null;
if (server == null)
{
throw new ArgumentNullException("server");
}
this.m_server = server;
do
{
this.Name = string.Format("Trend{0,2:00}", ++m_count);
}while (this.m_server.Trends[this.Name] != null);
}
public static Opc.Hda.Server ServerHdaConnect()
{
var tagsList = new Tags();
//Задаем расположение серверов
foreach (var tag in tagsList.GetMassurm())
{
switch (tag.Name)
{
case "MasterIpHda":
MasterIpHda = tag.Value;
break;
case "SlaveIpHda":
SlaveIpHda = tag.Value;
break;
case "OpcHdaId":
OpcHdaId = tag.Value;
break;
}
}
//const string masterIpHda = "localhost";
//const string slaveIpHda = "localhost";
//const string opcHdaId = "Infinity.OPCHDAServer";
//Соединение с сервером
var url = new Opc.URL("opchda://" + MasterIpHda + "/" + OpcHdaId);
var serverHda = new Opc.Hda.Server(new OpcCom.Factory(), url);
try
{
serverHda.Connect();
}
catch
{
url = new Opc.URL("opchda://" + SlaveIpHda + "/" + OpcHdaId);
serverHda = new Opc.Hda.Server(new OpcCom.Factory(), url);
try
{
serverHda.Connect();
}
catch (Exception)
{
MessageBox.Show(@"Отсутствует лицензия или проверьте подключения к серверу C:\Tag.ini", @"Ошибка подключения сервера", MessageBoxButton.OK, MessageBoxImage.Error);
Environment.Exit(0);
}
}
// System.Threading.Thread.Sleep(1500);
return(serverHda);
}
/// <summary>
/// Initializes the object with the specified server.
/// </summary>
public Trend(Opc.Hda.Server server)
{
if (server == null)
{
throw new ArgumentNullException("server");
}
// save a reference to a server.
m_server = server;
// create a default name.
do
{
Name = String.Format("Trend{0,2:00}", ++m_count);
}while (m_server.Trends[Name] != null);
}
protected Trend(SerializationInfo info, StreamingContext context)
{
this.m_server = null;
this.m_name = null;
this.m_aggregateID = 0;
this.m_startTime = null;
this.m_endTime = null;
this.m_maxValues = 0;
this.m_includeBounds = false;
this.m_resampleInterval = 0M;
this.m_timestamps = new ItemTimeCollection();
this.m_items = new ItemCollection();
this.m_updateInterval = 0M;
this.m_playbackInterval = 0M;
this.m_playbackDuration = 0M;
this.m_subscription = null;
this.m_playback = null;
this.m_name = (string)info.GetValue("Name", typeof(string));
this.m_aggregateID = (int)info.GetValue("AggregateID", typeof(int));
this.m_startTime = (Time)info.GetValue("StartTime", typeof(Time));
this.m_endTime = (Time)info.GetValue("EndTime", typeof(Time));
this.m_maxValues = (int)info.GetValue("MaxValues", typeof(int));
this.m_includeBounds = (bool)info.GetValue("IncludeBounds", typeof(bool));
this.m_resampleInterval = (decimal)info.GetValue("ResampleInterval", typeof(decimal));
this.m_updateInterval = (decimal)info.GetValue("UpdateInterval", typeof(decimal));
this.m_playbackInterval = (decimal)info.GetValue("PlaybackInterval", typeof(decimal));
this.m_playbackDuration = (decimal)info.GetValue("PlaybackDuration", typeof(decimal));
DateTime[] timeArray = (DateTime[])info.GetValue("Timestamps", typeof(DateTime[]));
if (timeArray != null)
{
foreach (DateTime time in timeArray)
{
this.m_timestamps.Add(time);
}
}
Item[] itemArray = (Item[])info.GetValue("Items", typeof(Item[]));
if (itemArray != null)
{
foreach (Item item in itemArray)
{
this.m_items.Add(item);
}
}
}
/// <summary>
/// Returns a list of servers that support the specified specification on the specified host.
/// </summary>
public Opc.Server[] GetAvailableServers(Specification specification, string host, ConnectData connectData)
{
lock (this)
{
NetworkCredential credentials = (connectData != null)?connectData.GetCredential(null, null):null;
// connect to the server.
m_server = (IOPCServerList2)OpcCom.Interop.CreateInstance(CLSID, host, credentials);
m_host = host;
try
{
ArrayList servers = new ArrayList();
// convert the interface version to a guid.
Guid catid = new Guid(specification.ID);
// get list of servers in the specified specification.
IOPCEnumGUID enumerator = null;
m_server.EnumClassesOfCategories(
1,
new Guid[] { catid },
0,
null,
out enumerator);
// read clsids.
Guid[] clsids = ReadClasses(enumerator);
// release enumerator object.
OpcCom.Interop.ReleaseServer(enumerator);
enumerator = null;
// fetch class descriptions.
foreach (Guid clsid in clsids)
{
Factory factory = new OpcCom.Factory();
try
{
URL url = CreateUrl(specification, clsid);
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);
}
servers.Add(server);
}
catch (Exception)
{
// ignore bad clsids.
}
}
return((Opc.Server[])servers.ToArray(typeof(Opc.Server)));
}
finally
{
// free the server.
OpcCom.Interop.ReleaseServer(m_server);
m_server = null;
}
}
}
// Connect to OPC HDA server
public bool Connect(string HostName, string ServerName)
{
var url = new Opc.URL();
url.Scheme = Opc.UrlScheme.HDA;
url.HostName = HostName;
url.Path = ServerName;
try {
var fact = new OpcCom.Factory();
if ((_OPCServer != null) && (!_OPCServer.IsConnected))
{
_trace.TraceEvent(TraceEventType.Verbose, 0, "_OPCServer is disconnected, disposing object");
//Unfortunately, in case of lost connection simply calling .Connect() doesn't work :(
//Let's try to recreate the object from scratch
_OPCServer.Dispose();
_OPCServer = null;
}
if (_OPCServer == null)
{
_trace.TraceEvent(TraceEventType.Verbose, 0, "_OPCServer is null, creating new object");
_OPCServer = new Opc.Hda.Server(fact, null);
}
if (!_OPCServer.IsConnected)
{
_trace.TraceEvent(TraceEventType.Verbose, 0, "OPC server is disconnected, trying to connect");
_OPCServer.Connect(url, new Opc.ConnectData(new System.Net.NetworkCredential(), null));
if (!_OPCServer.IsConnected)
{
_trace.TraceEvent(TraceEventType.Error, 0, "Connection failed without exception: {0}", url.ToString());
return(false);
}
_trace.TraceEvent(TraceEventType.Verbose, 0, "Succesfully connected to {0}, obj: {1}", url.ToString(), _OPCServer.GetHashCode().ToString());
}
try {
Status = _OPCServer.GetStatus();
_trace.TraceEvent(TraceEventType.Verbose, 0, "OPC server status:\n" +
"\tCurrentTime: {0}\n" +
"\tMaxReturnValues: {1}\n" +
"\tProductVersion: {2}\n" +
"\tServerState: {3}\n" +
"\tStartTime: {4}\n" +
"\tStatusInfo: {5}\n" +
"\tVendorInfo: {6}\n",
Status.CurrentTime,
Status.MaxReturnValues,
Status.ProductVersion,
Status.ServerState,
Status.StartTime,
Status.StatusInfo,
Status.VendorInfo);
} catch (Exception e) {
_trace.TraceEvent(TraceEventType.Warning, 0, "Can't get server status: {0}, {1}", url.ToString(), e.Message);
}
try {
_trace.TraceEvent(TraceEventType.Verbose, 0, "SupportedAggregates:");
SupportedAggregates = _OPCServer.GetAggregates();
foreach (Opc.Hda.Aggregate agg in SupportedAggregates)
{
_trace.TraceEvent(TraceEventType.Verbose, 0, "{0}\t{1}\t{2}", agg.ID, agg.Name, agg.Description);
}
} catch (Exception e) {
_trace.TraceEvent(TraceEventType.Warning, 0, "Can't get server supported aggregates: {0}, {1}", url.ToString(), e.Message);
}
} catch (Exception e) {
_trace.TraceEvent(TraceEventType.Error, 0, "Connection failed: {0}, {1}", url.ToString(), e.Message);
return(false);
}
return(true);
}
private void CreateSignalDict(Opc.Hda.Server Hda, List <string> tagsLst, string[] propID = null, string dtBegin = null, string dtEnd = null, bool restrict = false)
{
Dictionary = new Dictionary <string, Signal>();
DateTime dt1 = new DateTime();
DateTime dt2 = new DateTime();
var memRec = new OpcRecord();
if (dtBegin != null)
{
if (serverHda == null)
{
serverHda = Hda;
}
}
for (int i = 0; i < tagsLst.Count; i++)
{
var signal = new Signal(serverDa, tagsLst[i], propID);
if (dtBegin != null)
{
try
{
signal.ValueCollection = new List <OpcRecord>();
dt1 = System.Convert.ToDateTime(dtBegin);
dt2 = DateTime.Today;
DateTime lastdt = dt1;
if (dtEnd == null)
{
dtEnd = dt2.AddDays(1).ToString();
}
dt2 = System.Convert.ToDateTime(dtEnd);
signal.DtBegin = dt1;
signal.DtEnd = dt2;
var identifiers = new ItemIdentifier[1];
identifiers[0] = new Opc.ItemIdentifier(tagsLst[i]);
Opc.IdentifiedResult[] items = serverHda.CreateItems(identifiers);
OpcRecord rec = null;
bool exit = false;
Opc.Hda.ItemValueCollection[] vForPrev = serverHda.ReadRaw(new Opc.Hda.Time(dt1),
new Opc.Hda.Time(dt1.AddSeconds(1)), 0, true, items);
signal.PrevValue = new OpcRecord();
if (vForPrev.Length > 0)
{
if (vForPrev[0].Count > 0)
{
signal.PrevValue.Value = vForPrev[0][0].Value;
signal.PrevValue.Quality = vForPrev[0][0].Quality.GetCode();
signal.PrevValue.Timestamp = vForPrev[0][0].Timestamp.ToString();
}
}
Opc.Hda.ItemValueCollection[] vForNext =
serverHda.ReadRaw(new Opc.Hda.Time(dt2.AddMilliseconds(-1)), new Opc.Hda.Time(dt2), 0, true,
items);
signal.NextValue = new OpcRecord();
if (vForNext.Length > 0)
{
if (vForNext[0].Count > 0)
{
signal.NextValue.Value = vForNext[0][vForNext[0].Count - 1].Value;
signal.NextValue.Quality = vForNext[0][vForNext[0].Count - 1].Quality.GetCode();
signal.NextValue.Timestamp = vForNext[0][vForNext[0].Count - 1].Timestamp.ToString();
}
}
while (!exit)
{
Opc.Hda.ItemValueCollection[] values = serverHda.ReadRaw(new Opc.Hda.Time(lastdt),
new Opc.Hda.Time(dt2), 0, false, items);
for (int j = 0; j < values.Length; j++)
{
if (values[j].Count <= 1)
{
exit = true;
}
for (int k = 0; k < values[j].Count; k++)
{
rec = new OpcRecord();
if (signal.ValueType == "long")
{
if (values[j][k].Value != null)
{
rec.Value = System.Convert.ToInt64(values[j][k].Value.ToString());
}
else
{
rec.Value = 0;
}
}
if (signal.ValueType == "double")
{
if (values[j][k].Value != null)
{
rec.Value = System.Convert.ToDouble(values[j][k].Value.ToString());
}
else
{
rec.Value = 0.0;
}
}
if (signal.ValueType == "string")
{
if (values[j][k].Value != null)
{
rec.Value = values[j][k].Value.ToString();
}
else
{
rec.Value = "";
}
}
if (signal.ValueType == "bool")
{
if (values[j][k].Value != null)
{
rec.Value = values[j][k].Value.ToString().ToLower().Trim() == "true";
}
else
{
rec.Value = false;
}
}
rec.Quality = values[j][k].Quality.GetCode();
rec.Timestamp = values[j][k].Timestamp.ToString();
rec.Value = values[j][k].Value;
lastdt = values[j][k].Timestamp;
if (values[j].Count > 1)
{
if (k == values[j].Count - 1 &&
values[j][k].Timestamp == values[j][k - 1].Timestamp)
{
lastdt = lastdt.AddMilliseconds(1);
}
}
if (k != values[j].Count - 1)
{
if (restrict & signal.ValueCollection.Count > 0)
{
if (
System.Convert.ToDateTime(
signal.ValueCollection[signal.ValueCollection.Count - 1].Timestamp)
.ToString() ==
System.Convert.ToDateTime(rec.Timestamp).ToString() &&
rec.Quality >= 192)
{
signal.ValueCollection[signal.ValueCollection.Count - 1] = rec;
}
else
{
signal.ValueCollection.Add(rec);
}
}
else
{
signal.ValueCollection.Add(rec);
}
}
}
}
}
if (restrict & signal.ValueCollection.Count > 0)
{
if (
System.Convert.ToDateTime(
signal.ValueCollection[signal.ValueCollection.Count - 1].Timestamp).ToString() ==
System.Convert.ToDateTime(rec.Timestamp).ToString() && rec.Quality >= 192)
{
signal.ValueCollection[signal.ValueCollection.Count - 1] = rec;
}
else
{
signal.ValueCollection.Add(rec);
}
}
else
{
signal.ValueCollection.Add(rec);
}
}
catch (Exception)
{
MessageBox.Show(@"Отсутствует лицензия или проверьте подключения к серверу C:\Tag.ini", @"Ошибка подключения сервера", MessageBoxButton.OK, MessageBoxImage.Error);
Environment.Exit(0);
}
}
if (restrict)
{
if (signal.ValueCollection.Count > 0)
{
if (signal.ValueCollection[0] == null)
{
signal.ValueCollection.Remove(signal.ValueCollection[0]);
}
}
var restrictLeft = new OpcRecord();
restrictLeft.Value = signal.PrevValue.Value;
restrictLeft.Quality = signal.PrevValue.Quality;
restrictLeft.Timestamp = dt1.ToString();
signal.ValueCollection.Insert(0, restrictLeft);
var restrictRight = new OpcRecord();
restrictRight.Value = signal.ValueCollection[signal.ValueCollection.Count - 1].Value;
restrictRight.Quality = signal.ValueCollection[signal.ValueCollection.Count - 1].Quality;
restrictRight.Timestamp = dt2.ToString();
signal.ValueCollection.Add(restrictRight);
}
Dictionary.Add(tagsLst[i], signal);
}
}
public SignalDict(Opc.Hda.Server Hda, List <string> tagsLst, string[] propID = null, string dtBegin = null, string dtEnd = null, bool restrict = false)
{
CreateSignalDict(Hda, tagsLst, propID, dtBegin, dtEnd, restrict);
}
internal void SetServer(Opc.Hda.Server server)
{
this.m_server = server;
}