registry.cpp

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/*
 * Copyright (c) 2010, Willow Garage, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Willow Garage, Inc. nor the names of its
 *       contributors may be used to endorse or promote products derived from
 *       this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 */

#include <rve_render_client/registry.h>
#include <rve_rpc/client.h>

#include <map>
#include <boost/thread/mutex.hpp>

#include <ros/assert.h>

namespace rve_render_client
{

typedef std::map<std::string, ProxyCreatorPtr> M_ProxyCreator;
static M_ProxyCreator g_proxy_creators;
static boost::mutex g_creators_mutex;

void registerProxy(const std::string& name, const ProxyCreatorPtr& creator)
{
  boost::mutex::scoped_lock lock(g_creators_mutex);
  bool created = g_proxy_creators.insert(std::make_pair(name, creator)).second;
  ROS_ASSERT(created);
}

void removeProxy(const std::string& name)
{
  boost::mutex::scoped_lock lock(g_creators_mutex);
  g_proxy_creators.erase(name);
}

void getProxyNames(V_string& out_names)
{
  boost::mutex::scoped_lock lock(g_creators_mutex);
  M_ProxyCreator::const_iterator it = g_proxy_creators.begin();
  M_ProxyCreator::const_iterator end = g_proxy_creators.end();
  for (; it != end; ++it)
  {
    out_names.push_back(it->first);
  }
}

rve_interface_gen::Interface* createProxy(const std::string& name, rve_rpc::Client& client)
{
  boost::mutex::scoped_lock lock(g_creators_mutex);
  M_ProxyCreator::iterator it = g_proxy_creators.find(name);
  if (it == g_proxy_creators.end())
  {
    return 0;
  }

  return it->second->create(client);
}

void destroyProxy(const std::string& name, rve_interface_gen::Interface* ifc)
{
  boost::mutex::scoped_lock lock(g_creators_mutex);
  M_ProxyCreator::iterator it = g_proxy_creators.find(name);
  if (it == g_proxy_creators.end())
  {
    return;
  }

  it->second->destroy(ifc);
}

}