/// <summary>
/// Add a method to expose in this service
/// </summary>
/// <param name="MethodName">The name of the method to expose</param>
public void AddMethod(String MethodName)
{
string retname = "_ReturnValue";
UPnPStateVariable[] ESV;
bool DontCreate = false;
ESV = this.GetStateVariables();
UPnPStateVariable sv;
MethodInfo minfo = ServiceInstance.GetType().GetMethod(MethodName);
if (minfo == null)
{
throw (new Exception(MethodName + " does not exist in " + ServiceInstance.GetType().ToString()));
}
// Create Generic State Variables
DontCreate = false;
if (minfo.ReturnType.FullName != "System.Void")
{
if (minfo.GetCustomAttributes(true).Length > 0)
{
foreach (Attribute a in minfo.GetCustomAttributes(true))
{
if (a.GetType() == typeof(OpenSource.UPnP.ReturnArgumentAttribute))
{
retname = ((ReturnArgumentAttribute)a).Name;
break;
}
}
}
// There is a return value
sv = new UPnPStateVariable("A_ARG_TYPE_" + MethodName + "_RetType", minfo.ReturnType, false);
sv.AddAssociation(MethodName, retname);
foreach (UPnPStateVariable _ESV in ESV)
{
foreach (UPnPStateVariable.AssociationNode AESV in _ESV.GetAssociations())
{
if ((AESV.ActionName == MethodName) && (AESV.ArgName == retname))
{
// Don't create state variable
DontCreate = true;
}
}
}
if (DontCreate == false) this.AddStateVariable(sv);
}
ParameterInfo[] pinfo = minfo.GetParameters();
for (int x = 0; x < pinfo.Length; ++x)
{
sv = new UPnPStateVariable("A_ARG_TYPE_" + MethodName + "_" + pinfo[x].Name, pinfo[x].ParameterType, false);
sv.AddAssociation(MethodName, pinfo[x].Name);
DontCreate = false;
foreach (UPnPStateVariable _ESV in ESV)
{
foreach (UPnPStateVariable.AssociationNode AESV in _ESV.GetAssociations())
{
if ((AESV.ActionName == MethodName) && (AESV.ArgName == pinfo[x].Name))
{
// Don't create state variable
DontCreate = true;
}
}
}
if (DontCreate == false) this.AddStateVariable(sv);
}
UPnPAction NewAction = new UPnPAction();
NewAction.Name = MethodName;
NewAction.ParentService = this;
NewAction.MethodPointer = minfo;
UPnPArgument ARG;
if (minfo.ReturnType.FullName != "System.Void")
{
ARG = new UPnPArgument(retname, "");
ARG.DataType = UPnPStateVariable.ConvertToUPnPType(minfo.ReturnType);
ARG.Direction = "out";
ARG.IsReturnValue = true;
ARG.ParentAction = NewAction;
ARG.StateVarName = this.GetStateVariableObject(MethodName, retname).Name;
NewAction.AddArgument(ARG);
}
foreach (ParameterInfo p in pinfo)
{
ARG = new UPnPArgument(p.Name, "");
ARG.DataType = UPnPStateVariable.ConvertToUPnPType(p.ParameterType);
ARG.Direction = p.Attributes == ParameterAttributes.Out ? "out" : "in";
ARG.IsReturnValue = false;
ARG.ParentAction = NewAction;
ARG.StateVarName = this.GetStateVariableObject(MethodName, p.Name).Name;
NewAction.AddArgument(ARG);
}
this.AddAction(NewAction);
}
private void ParseActionXml(String XML)
{
UPnPAction action = new UPnPAction();
UPnPArgument arg;
StringReader MyString = new StringReader(XML);
XmlTextReader XMLDoc = new XmlTextReader(MyString);
XMLDoc.Read();
XMLDoc.MoveToContent();
XMLDoc.Read();
XMLDoc.MoveToContent();
while (XMLDoc.LocalName != "action")
{
switch (XMLDoc.LocalName)
{
case "name":
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.SuccessAudit, "I've found an action");
action.Name = XMLDoc.ReadString().Trim();
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.SuccessAudit, "Its called " + action.Name);
break;
case "argumentList":
if (XMLDoc.IsEmptyElement)
{
break;
}
XMLDoc.Read();
XMLDoc.MoveToContent();
while (XMLDoc.LocalName != "argumentList" && XMLDoc.EOF == false)
{
if (XMLDoc.LocalName == "argument")
{
arg = new UPnPArgument();
XMLDoc.Read();
XMLDoc.MoveToContent();
while (XMLDoc.LocalName != "argument")
{
switch (XMLDoc.LocalName)
{
case "name":
arg.Name = XMLDoc.ReadString().Trim();
break;
case "retval":
arg.IsReturnValue = true;
break;
case "direction":
arg.Direction = XMLDoc.ReadString().Trim();
break;
case "relatedStateVariable":
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.SuccessAudit, "I've found a related state variable");
arg.StateVarName = XMLDoc.ReadString().Trim();
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.SuccessAudit, "Its called " + arg.StateVarName);
break;
}
XMLDoc.Read();
XMLDoc.MoveToContent();
}
action.AddArgument(arg);
XMLDoc.Read();
XMLDoc.MoveToContent();
}
else
{
XMLDoc.Skip();
}
}
break;
}
// End of Switch
XMLDoc.Read();
XMLDoc.MoveToContent();
}
// End of While
AddAction(action);
}
private void ParseActionXml(String XML, int startLine)
{
UPnPAction action = new UPnPAction();
UPnPArgument arg;
StringReader MyString = new StringReader(XML);
XmlTextReader XMLDoc = new XmlTextReader(MyString);
try
{
XMLDoc.Read();
XMLDoc.MoveToContent();
XMLDoc.Read();
XMLDoc.MoveToContent();
while (XMLDoc.LocalName != "action")
{
switch (XMLDoc.LocalName)
{
case "name":
action.Name = XMLDoc.ReadString().Trim();
break;
case "argumentList":
if (XMLDoc.IsEmptyElement)
{
break;
}
XMLDoc.Read();
XMLDoc.MoveToContent();
while (XMLDoc.LocalName != "argumentList" && XMLDoc.EOF == false)
{
if (XMLDoc.LocalName == "argument")
{
arg = new UPnPArgument();
XMLDoc.Read();
XMLDoc.MoveToContent();
while (XMLDoc.LocalName != "argument")
{
switch (XMLDoc.LocalName)
{
case "name":
arg.Name = XMLDoc.ReadString().Trim();
break;
case "retval":
arg.IsReturnValue = true;
break;
case "direction":
arg.Direction = XMLDoc.ReadString().Trim();
break;
case "relatedStateVariable":
arg.StateVarName = XMLDoc.ReadString().Trim();
break;
}
XMLDoc.Read();
XMLDoc.MoveToContent();
}
action.AddArgument(arg);
XMLDoc.Read();
XMLDoc.MoveToContent();
}
else
{
XMLDoc.Skip();
}
}
break;
}
// End of Switch
XMLDoc.Read();
XMLDoc.MoveToContent();
}
// End of While
AddAction(action);
}
catch (Exception ex)
{
throw new XMLParsingException("Invalid Action XML", startLine + XMLDoc.LineNumber, XMLDoc.LinePosition, ex);
}
}