// Execute multiple calls and return the results in an array.
public bool executeMulticall(string methodNameRoot, XmlRpcValue parms, XmlRpcValue result)
{
if (methodNameRoot != SYSTEM_MULTICALL)
{
return(false);
}
// There ought to be 1 parameter, an array of structs
if (parms.Length != 1 || parms[0].Type != XmlRpcValue.ValueType.TypeArray)
{
throw new XmlRpcException(SYSTEM_MULTICALL + ": Invalid argument (expected an array)");
}
int nc = parms[0].Length;
result.SetArray(nc);
for (int i = 0; i < nc; ++i)
{
if (!parms[0][i].hasMember(METHODNAME) ||
!parms[0][i].hasMember(PARAMS))
{
result[i].Set(FAULTCODE, -1);
result[i].Set(FAULTSTRING, SYSTEM_MULTICALL + ": Invalid argument (expected a struct with members methodName and params)");
continue;
}
string methodName = parms[0][i][METHODNAME].GetString();
XmlRpcValue methodParams = parms[0][i][PARAMS];
XmlRpcValue resultValue = new XmlRpcValue();
resultValue.SetArray(1);
try
{
if (!executeMethod(methodName, methodParams, resultValue[0]) &&
!executeMulticall(methodName, parms, resultValue[0]))
{
result[i].Set(FAULTCODE, -1);
result[i].Set(FAULTSTRING, methodName + ": unknown method name");
}
else
{
result[i] = resultValue;
}
}
catch (XmlRpcException fault)
{
result[i].Set(FAULTCODE, 0);
result[i].Set(FAULTSTRING, fault.Message);
}
}
return(true);
}
private void listMethods(XmlRpcValue result)
{
int i = 0;
result.SetArray(_methods.Count + 1);
foreach (var rec in _methods)
{
result.Set(i++, rec.Key);
}
// Multicall support is built into XmlRpcServerConnection
result.Set(i, MULTICALL);
}
// Parse the method name and the argument values from the request.
private string parseRequest(XmlRpcValue parms, string _request)
{
bool success = true;
string methodName = "unknown";
//XmlRpcValue result = null;
using (XmlReader reader = XmlReader.Create(new StringReader(_request)))
{
XmlDocument xmldoc = new XmlDocument();
xmldoc.Load(reader);
// Parse response xml into result
//int offset = 0;
XmlNodeList xmlMethodNameList = xmldoc.GetElementsByTagName("methodName");
if (xmlMethodNameList.Count > 0)
{
XmlNode xmlMethodName = xmlMethodNameList[0];
methodName = xmlMethodName.InnerText;
}
XmlNodeList xmlParameters = xmldoc.GetElementsByTagName("param");
XmlNodeList xmlFault = xmldoc.GetElementsByTagName("fault");
if (xmlParameters.Count == 0)
{
XmlRpcUtil.error("Error in XmlRpcServer::parseRequest: Invalid request - no methodResponse. Request:\n{0}", _request);
return(null);
}
parms.SetArray(xmlParameters.Count);
for (int i = 0; i < xmlParameters.Count; i++)
{
var value = new XmlRpcValue();
value.fromXml(xmlParameters[i]["value"]);
parms.asArray[i] = value;
}
if (xmlFault.Count > 0 && parms.fromXml(xmlFault[0]))
{
XmlRpcUtil.log(XmlRpcUtil.XMLRPC_LOG_LEVEL.WARNING, "Read fault on response for request:\n{0}\nFAULT: {1}", _request, parms.ToString());
}
}
return(methodName);
}
// Convert the response xml into a result value
private bool parseResponse(XmlRpcValue result, string _response)
{
bool success = true;
//XmlRpcValue result = null;
using (XmlReader reader = XmlReader.Create(new StringReader(_response)))
{
XmlDocument response = new XmlDocument();
response.Load(reader);
// Parse response xml into result
//int offset = 0;
XmlNodeList resp = response.GetElementsByTagName("methodResponse");
XmlNode responseNode = resp[0];
//if (!XmlRpcUtil.findTag(METHODRESPONSE_TAG, _response, out offset))
if (resp.Count == 0)
{
XmlRpcUtil.error("Error in XmlRpcClient::parseResponse: Invalid response - no methodResponse. Response:\n{0}", _response);
return(false);
}
XmlElement pars = responseNode["params"];
XmlElement fault = responseNode["fault"];
//result = new XmlRpcValue();
if (pars != null)
{
bool isArray = false;
var selection = pars.SelectNodes("param");
if (selection.Count > 1)
{
result.SetArray(selection.Count);
int i = 0;
foreach (XmlNode par in selection)
{
var value = new XmlRpcValue();
value.fromXml(par["value"]);
result[i++] = value;
}
}
else if (selection.Count == 1)
{
result.fromXml(selection[0]["value"]);
}
else
{
success = false;
}
}
else if (fault != null && result.fromXml(fault))
{
success = false;
}
else
{
XmlRpcUtil.error("Error in XmlRpcClient::parseResponse: Invalid response - no param or fault tag. Response:\n{0}", _response);
}
_response = "";
}
return(success);
}
