/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */

/*

 * Copyright (c) 2012 University of Washington

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation;

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 *

 */

#include "random-variable-stream-helper.h"

NS_LOG_COMPONENT_DEFINE ("RandomVariableStreamHelper");

namespace ns3 {

int64_t RandomVariableStreamHelper::AssignStreams (std::string path, int64_t stream)

{

  NS_LOG_FUNCTION_NOARGS ();

  NS_ASSERT (stream >= 0);

  Config::MatchContainer mc = Config::LookupMatches (path);

  int64_t i = 0;

  for (Config::MatchContainer::Iterator mci = mc.Begin (); mci != mc.End (); ++mci, ++i)

    {

      PointerValue ptr = mc.Get (i);

      Ptr<RandomVariableStream> rvs = ptr.Get<RandomVariableStream> ();

      NS_LOG_DEBUG ("RandomVariableStream found: " << rvs << "; setting stream to " << (stream + i));

      rvs->SetStream (stream + i);

    }

  return i;

}

} // namespace ns3