C++ XmlRpcValue::valid方法代码示例

// Convert the response xml into a result value
bool
XmlRpcClient::parseResponse(XmlRpcValue& result)
{
  // Parse response xml into result
  int offset = 0;
  if ( ! XmlRpcUtil::findTag(METHODRESPONSE_TAG,_response,&offset)) {
    XmlRpcUtil::error("Error in XmlRpcClient::parseResponse: Invalid response - no methodResponse. Response:\n%s", _response.c_str());
    return false;
  }

  // Expect either <params><param>... or <fault>...
  if ((XmlRpcUtil::nextTagIs(PARAMS_TAG,_response,&offset) &&
       XmlRpcUtil::nextTagIs(PARAM_TAG,_response,&offset)) ||
      XmlRpcUtil::nextTagIs(FAULT_TAG,_response,&offset) && (_isFault = true))
  {
    if ( ! result.fromXml(_response, &offset)) {
      XmlRpcUtil::error("Error in XmlRpcClient::parseResponse: Invalid response value. Response:\n%s", _response.c_str());
      _response = "";
      return false;
    }
  } else {
    XmlRpcUtil::error("Error in XmlRpcClient::parseResponse: Invalid response - no param or fault tag. Response:\n%s", _response.c_str());
    _response = "";
    return false;
  }

  _response = "";
  return result.valid();
}

// Encode the request to call the specified method with the specified parameters into xml
bool
XmlRpcCurlClient::generateRequest(const char* methodName, XmlRpcValue const& params)
{
  std::string body = REQUEST_BEGIN;
  body += methodName;
  body += REQUEST_END_METHODNAME;

  // If params is an array, each element is a separate parameter
  if (params.valid()) {
    body += PARAMS_TAG;
    if (params.getType() == XmlRpcValue::TypeArray)
    {
      for (int i=0; i<params.size(); ++i) {
        body += PARAM_TAG;
        body += params[i].toXml();
        body += PARAM_ETAG;
      }
    }
    else
    {
      body += PARAM_TAG;
      body += params.toXml();
      body += PARAM_ETAG;
    }

    body += PARAMS_ETAG;
  }
  body += REQUEST_END;

  _request = body;
  return true;
}

// Encode the request to call the specified method with the specified parameters into xml
bool XmlRpcClient::generateRequest(const char* methodName, XmlRpcValue const& params)
{
	std::string body = REQUEST_BEGIN;
	body += methodName;
	body += REQUEST_END_METHODNAME;
	// If params is an array, each element is a separate parameter
	if (params.valid())
	{
		body += PARAMS_TAG;
		if (params.getType() == XmlRpcValue::TypeArray)
		{
			for (int i=0; i<params.size(); ++i)
			{
				body += PARAM_TAG;
				body += params[i].toXml();
				body += PARAM_ETAG;
			}
		}
		else
		{
			body += PARAM_TAG;
			body += params.toXml();
			body += PARAM_ETAG;
		}
		body += PARAMS_ETAG;
	}
	body += REQUEST_END;
	std::string header = generateHeader(body);
	XmlRpcUtil::log(4, "XmlRpcClient::generateRequest: header is %d bytes, content-length is %d.",
					header.length(), body.length());
	_request = header + body;
	return true;
}

void XMLRPC2DIServer::xmlrpcval2amarg(XmlRpcValue& v, AmArg& a, 
				      unsigned int start_index) {
  if (v.valid()) {
    for (int i=start_index; i<v.size();i++) {
      switch (v[i].getType()) {
      case XmlRpcValue::TypeInt:   { a.push(AmArg((int)v[i]));    }  break;
      case XmlRpcValue::TypeDouble:{ a.push(AmArg((double)v[i])); }  break;
      case XmlRpcValue::TypeString:{ a.push(AmArg(((string)v[i]).c_str())); }  break;
	// TODO: support more types (datetime, struct, ...)
      default:     throw XmlRpcException("unsupported parameter type", 400);
      };
    }
  } 
}

// Execute a named method with the specified params.
bool XmlRpcServerConnection::executeMethod(const std::string& methodName, XmlRpcValue& params, XmlRpcValue& result)
{
	XmlRpcServerMethod* method = _server->findMethod(methodName);

	if ( ! method) return false;

	method->setAuthorization(_authorization);

	method->execute(&_saddr, params, result);

	// Ensure a valid result value
	if ( ! result.valid ())
		result = std::string ();

	return true;
}

// Convert the response xml into a result value
bool 
XmlRpcClient::parseResponse(XmlRpcValue& result)
{
  std::string r;
  _response.swap(r);

  // Parse response xml into result
  bool emptyParam;
  int offset = 0;
  if ( ! XmlRpcUtil::findTag("methodResponse",r,&offset,&emptyParam) || emptyParam)
  {
    XmlRpcUtil::error("Error in XmlRpcClient::parseResponse: Invalid response - no methodResponse. Response:\n%s", r.c_str());
    return false;
  }

  // Expect either <params><param>... or <fault>...
  if (XmlRpcUtil::nextTagIs("params",r,&offset,&emptyParam) &&
      XmlRpcUtil::nextTagIs("param",r,&offset,&emptyParam))
  {
    if (emptyParam)
    {
      result = 0; // No result?
    }
    else if (  ! result.fromXml(r, &offset))
    {
      XmlRpcUtil::error("Error in XmlRpcClient::parseResponse: Invalid response value. Response:\n%s", r.c_str());
      return false;
    }
  }
  else if (XmlRpcUtil::nextTagIs("fault",r,&offset,&emptyParam))
  {
    _isFault = true;

    if (emptyParam || ! result.fromXml(r, &offset))
    {
      result = 0; // No result?
      return false;
    }
  }
  else
  {
    XmlRpcUtil::error("Error in XmlRpcClient::parseResponse: Invalid response - no param or fault tag. Response:\n%s", r.c_str());
    return false;
  }
      
  return result.valid();
}

// Execute a named method with the specified params.
bool
XmlRpcServer::executeMethod(const std::string& methodName, 
                            XmlRpcValue& params, 
                            XmlRpcValue& result)
{
  XmlRpcServerMethod* method = findMethod(methodName);

  if ( ! method) return false;

  method->execute(params, result);

  // Ensure a valid result value
  if ( ! result.valid())
      result = std::string();

  return true;
}

bool HmValue::TriggerValueGet()
{
	if( _sendingChannel )
	{
		XmlRpcValue value = _channel->GetValue(_valueId);
		if( value.valid() )
		{
			HandleXmlRpcEvent( value );
			return true;
		}else{
			_sendingChannel->MarkAsUndefined();
			LOG( Logger::LOG_WARNING, "Error getting value %s.%s", _channel->GetSerial().c_str(), _valueId.c_str());
			return false;
		}
	}else{
		return true;
	}
}

void XMLRPC2DIServer::xmlrpcval2amarg(XmlRpcValue& v, AmArg& a, 
				      unsigned int start_index) {
  if (v.valid()) {
    for (int i=start_index; i<v.size();i++) {
      switch (v[i].getType()) {
      case XmlRpcValue::TypeInt:   { /* DBG("X->A INT\n");*/ a.push(AmArg((int)v[i]));    }  break;
      case XmlRpcValue::TypeDouble:{ /* DBG("X->A DBL\n");*/ a.push(AmArg((double)v[i])); }  break;
      case XmlRpcValue::TypeString:{ /* DBG("X->A STR\n");*/ a.push(AmArg(((string)v[i]).c_str())); }  break;
      case XmlRpcValue::TypeArray: { 
	// DBG("X->A ARR\n"); 
	a.push(AmArg());
	a[a.size()-1].assertArray(0);
	AmArg arr; 
	xmlrpcval2amarg(v[i], a[a.size()-1], 0);
      } break;
	// TODO: support more types (datetime, struct, ...)
      default:     throw XmlRpcException("unsupported parameter type", 400);
      };
    }
  } 
}

void HmValue::ReceivingSetValue( unsigned long value )
{
	XmlRpcValue& description = _channel->GetValueDescription( _valueId );
	if( !description.valid() )return;
	XmlRpcValue v;
	switch( description["DEFAULT"].getType() )
	{
	case XmlRpcValue::TypeBoolean:
		(bool&)v = ((value & 0x01) != 0) != _boolInvert;
		break;
	case XmlRpcValue::TypeDouble:
		(double&)v = double(value) / _floatScale;
		break;
	case XmlRpcValue::TypeInt:
		(int&)v = value;
		break;
	default:
		break;
	}
	if( v.valid() )
	{
		_channel->SetValue( _valueId, v );
	}
}