public int TryInvokeRpcMethod(IRpcMethod method, object[] args, out object result)
{
DateTime time;
base.EnsureRights(SymbolAccessRights.MethodInvoke);
return(((IAccessorRpc)base.ValueAccessor).TryInvokeRpcMethod(this, method, args, out result, out time));
}
public int UnmarshalRpcMethod(IRpcMethod method, object[] parameterValues, byte[] data, out object returnValue)
{
object[] values = null;
IDataType type;
int offset = 0;
this._resolver.TryResolveType(method.ReturnType, out type);
offset += this.UnmarshalReturnValue(method, type, data, offset, out returnValue);
return(offset + this.UnmarshalOutParameters(method, data, offset, out values));
}
public int TryInvokeRpcMethod(string methodName, object[] args, out object result)
{
IRpcMethod method = null;
if (!((RpcStructType)base.DataType).RpcMethods.TryGetMethod(methodName, out method))
{
throw new ArgumentOutOfRangeException("methodName");
}
return(this.TryInvokeRpcMethod(method, args, out result));
}
public override int TryInvokeRpcMethod(IInstance instance, IRpcMethod method, object[] parameters, out object returnValue, out DateTime utcInvokeTime)
{
IAccessorRpc rpc = this._inner as IAccessorRpc;
if (rpc != null)
{
return(rpc.TryInvokeRpcMethod(instance, method, parameters, out returnValue, out utcInvokeTime));
}
returnValue = null;
utcInvokeTime = DateTime.MinValue;
return(0x701);
}
public virtual int GetInMarshallingSize(IRpcMethod method, object[] parameterValues)
{
int num = 0;
RpcMethodParameterCollection parameters = null;
IList <IDataType> types = null;
this.GetInParameters(method, out parameters, out types);
for (int i = 0; i < parameters.Count; i++)
{
num += this.OnGetParameterSize(i, parameters, parameterValues);
}
return(num);
}
public int UnmarshalOutParameters(IRpcMethod method, byte[] data, int offset, out object[] values)
{
if (method == null)
{
throw new ArgumentNullException("method");
}
if (data == null)
{
throw new ArgumentNullException("data");
}
if ((offset < 0) | (offset > data.Length))
{
throw new ArgumentOutOfRangeException("offset");
}
return(this.OnMarshalOut(method, data, offset, out values));
}
public virtual int GetOutMarshallingSize(IRpcMethod method, object[] outValues)
{
int num = 0;
RpcMethodParameterCollection parameters = null;
IList <IDataType> types = null;
this.GetOutParameters(method, out parameters, out types);
for (int i = 0; i < parameters.Count; i++)
{
num += this.OnGetParameterSize(i, parameters, outValues);
}
if (!string.IsNullOrEmpty(method.ReturnType))
{
num += this.OnGetMarshallingSize(method.ReturnType);
}
return(num);
}
protected virtual int OnMarshalOut(IRpcMethod method, byte[] data, int offset, out object[] values)
{
RpcMethodParameterCollection parameters = null;
IList <IDataType> types = null;
this.GetOutParameters(method, out parameters, out types);
int num = 0;
int num2 = offset;
values = new object[method.Parameters.Count];
for (int i = 0; i < parameters.Count; i++)
{
num += this.OnUnmarshalParameter(i, parameters, types, data, num2, ref values);
num2 = offset + num;
}
return(num);
}
protected int GetParameters(IRpcMethod method, MethodParamFlags mask, out RpcMethodParameterCollection parameters, out IList <IDataType> types)
{
types = new List <IDataType>();
parameters = new RpcMethodParameterCollection();
for (int i = 0; i < method.Parameters.Count; i++)
{
if ((method.Parameters[i].ParameterFlags & mask) > ((MethodParamFlags)0))
{
IDataType type = null;
if (!this._resolver.TryResolveType(method.Parameters[i].TypeName, out type))
{
throw new ArgumentOutOfRangeException("parameters");
}
types.Add(type);
parameters.Add(method.Parameters[i]);
}
}
return(types.Count);
}
protected virtual int OnMarshalIn(IRpcMethod method, object[] parameterValues, byte[] buffer, int offset)
{
int num = 0;
if (method.Parameters.Count > 0)
{
RpcMethodParameterCollection parameters = null;
IList <IDataType> types = null;
this.GetInParameters(method, out parameters, out types);
if (parameters.Count != parameterValues.Length)
{
throw new ArgumentOutOfRangeException("parameterValues");
}
for (int i = 0; i < parameters.Count; i++)
{
num += this.OnMarshalParameter(i, parameters, types, parameterValues, buffer, offset + num);
}
}
return(num);
}
public int MarshallParameters(IRpcMethod method, object[] parameterValues, byte[] buffer, int offset)
{
if (method == null)
{
throw new ArgumentNullException("method");
}
if (parameterValues == null)
{
throw new ArgumentNullException("parameterValues");
}
if (buffer == null)
{
throw new ArgumentNullException("data");
}
if ((offset < 0) || (offset > buffer.Length))
{
throw new ArgumentOutOfRangeException("offset");
}
return(this.OnMarshalIn(method, parameterValues, buffer, offset));
}
public override int TryInvokeRpcMethod(IInstance instance, IRpcMethod method, object[] parameters, out object returnValue, out DateTime invokeTime)
{
AdsErrorCode code;
if (instance == null)
{
throw new ArgumentNullException("instance");
}
if (method == null)
{
throw new ArgumentNullException("method");
}
if (this.Connection == null)
{
throw new AdsException("Connection not established!");
}
string str = $"{instance.InstancePath}#{method.Name}";
if (method.Parameters.Count != parameters.Length)
{
throw new ArgumentException($"Parameter set mismatching RpcMethod '{str}' prototype", "parameters");
}
invokeTime = DateTime.MinValue;
IRpcCallableInstance instance2 = (IRpcCallableInstance)instance;
IProcessImageAddress address = (IProcessImageAddress)instance;
using (new AdsConnectionRestore(this))
{
code = this.Connection.TryInvokeRpcMethod(instance.InstancePath, method.Name, parameters, out returnValue);
if (code == AdsErrorCode.NoError)
{
invokeTime = DateTime.UtcNow;
}
}
return((int)code);
}
protected int GetOutParameters(IRpcMethod method, out RpcMethodParameterCollection parameters, out IList <IDataType> types) => this.GetParameters(method, MethodParamFlags.ByReference | MethodParamFlags.Out, out parameters, out types);
public abstract int UnmarshalReturnValue(IRpcMethod method, IDataType returnType, byte[] buffer, int offset, out object returnValue);
public object InvokeRpcMethod(ITcAdsSymbol symbol, IRpcMethod rpcMethod, object[] parameterValues)
{
if (symbol == null)
{
throw new ArgumentNullException("symbol");
}
if (rpcMethod == null)
{
throw new ArgumentNullException("rpcMethod");
}
if (parameterValues == null)
{
throw new ArgumentNullException("parameters");
}
if (rpcMethod.Parameters.Count != parameterValues.Length)
{
throw new ArgumentOutOfRangeException("parameters", $"Parameter mismatch! The number of expected parameters is '{rpcMethod.Parameters.Count}");
}
object returnValue = null;
string variableName = $"{symbol.Name}#{rpcMethod.Name}";
ITcAdsDataType type = null;
if (!rpcMethod.IsVoid)
{
type = (ITcAdsDataType)this._datatypeTable.ResolveDataType(rpcMethod.ReturnType);
}
List <IDataType> list = new List <IDataType>();
foreach (RpcMethodParameter parameter in rpcMethod.Parameters)
{
ITcAdsDataType item = (ITcAdsDataType)this._datatypeTable.ResolveDataType(parameter.TypeName);
if (item == null)
{
throw new AdsDatatypeNotSupportedException();
}
list.Add(item);
}
int wrLength = 0;
SymbolAdsMarshaller marshaller = new SymbolAdsMarshaller(this._datatypeTable);
object[] objArray = new object[0];
wrLength = marshaller.GetInMarshallingSize(rpcMethod, objArray);
int outMarshallingSize = marshaller.GetOutMarshallingSize(rpcMethod, objArray);
int variableHandle = this._adsClient.CreateVariableHandle(variableName);
try
{
byte[] buffer = new byte[wrLength];
int num4 = marshaller.MarshallParameters((RpcMethod)rpcMethod, parameterValues, buffer, 0);
using (AdsStream stream = new AdsStream(buffer))
{
using (AdsStream stream2 = new AdsStream(outMarshallingSize))
{
int num5 = 0;
num5 = this._adsClient.ReadWrite(variableHandle, stream2, 0, outMarshallingSize, stream, 0, wrLength);
if (outMarshallingSize > 0)
{
int num6 = marshaller.UnmarshalRpcMethod(rpcMethod, parameterValues, stream2.GetBuffer(), out returnValue);
}
}
}
}
finally
{
this._adsClient.DeleteVariableHandle(variableHandle);
}
return(returnValue);
}
public abstract int TryInvokeRpcMethod(IInstance instance, IRpcMethod method, object[] parameters, out object returnValue, out DateTime utcInvokeTime);
public override int UnmarshalReturnValue(IRpcMethod method, IDataType returnType, byte[] buffer, int offset, out object returnValue) => this.unmarshal(buffer, offset, (ITcAdsDataType)returnType, out returnValue);