add_multicall

# File lib/xmlrpc/server.rb, line 221
  def add_multicall
    add_handler("system.multicall", %(array array), "Multicall Extension") do |arrStructs|
      unless arrStructs.is_a? Array
        raise XMLRPC::FaultException.new(ERR_MC_WRONG_PARAM, "system.multicall expects an array")
      end

      arrStructs.collect {|call|
        if call.is_a? Hash
          methodName = call["methodName"]
          params     = call["params"]

          if params.nil?
            multicall_fault(ERR_MC_MISSING_PARAMS, "Missing params")
          elsif methodName.nil?
            multicall_fault(ERR_MC_MISSING_METHNAME, "Missing methodName")
          else
            if methodName == "system.multicall"
              multicall_fault(ERR_MC_RECURSIVE_CALL, "Recursive system.multicall forbidden")
            else
              unless params.is_a? Array
                multicall_fault(ERR_MC_WRONG_PARAM_PARAMS, "Parameter params have to be an Array")
              else
                ok, val = call_method(methodName, *params)
                if ok
                  # correct return value
                  [val]
                else
                  # exception
                  multicall_fault(val.faultCode, val.faultString)
                end
              end
            end
          end

        else
          multicall_fault(ERR_MC_EXPECTED_STRUCT, "system.multicall expected struct")
        end
      }
    end # end add_handler
    self
  end