C++ (Cpp) LIBRARY_LOAD Examples

Example #1

File: plugin.cpp Project: ggmaniack/mineserver

bool Plugin::loadPlugin(const std::string name, const std::string file)
{
  LIBRARY_HANDLE lhandle = NULL;
  void (*fhandle)(mineserver_pointer_struct*) = NULL;

  if (!file.empty())
  {
    LOG(INFO, "Plugin", "Loading plugin `" + name + "' (`" + file + "')...");

    struct stat st;
    int statr = stat(file.c_str(), &st);
    if ((statr == 0) && !(st.st_mode & S_IFDIR))
    {
      lhandle = LIBRARY_LOAD(file.c_str());
    }
    else
    {
      LOG(INFO, "Plugin", "Could not find `" + file + "', trying `" + file + LIBRARY_EXTENSION + "'.");

      statr = stat((file + LIBRARY_EXTENSION).c_str(), &st);
      if ((statr == 0) && !(st.st_mode & S_IFDIR))
      {
        lhandle = LIBRARY_LOAD((file + LIBRARY_EXTENSION).c_str());
      }
      else
      {
        LOG(INFO, "Plugin", "Could not find `" + file + LIBRARY_EXTENSION + "'!");
        return false;
      }
    }

  }
  else
  {
    LOG(INFO, "Plugin", "Loading plugin `" + name + "' (built in)...");
    lhandle = LIBRARY_SELF();
  }

  if (lhandle == NULL)
  {
    LOG(INFO, "Plugin", "Could not load plugin `" + name + "'!");
    LOG(INFO, "Plugin", LIBRARY_ERROR());
    return false;
  }

  m_libraryHandles[name] = lhandle;

  fhandle = (void (*)(mineserver_pointer_struct*)) LIBRARY_SYMBOL(lhandle, (name + "_init").c_str());
  if (fhandle == NULL)
  {
    LOG(INFO, "Plugin", "Could not get init function handle!");
    unloadPlugin(name);
    return false;
  }
  fhandle(&plugin_api_pointers);

  return true;
}

Example #2

File: plugin.cpp Project: bakkdoor/mineserver

bool Plugin::loadExternal(const std::string name, const std::string file)
{
    LIBRARY_HANDLE lhandle = NULL;
    void (*fhandle)(Mineserver*) = NULL;

    Mineserver::get()->screen()->log("Loading plugin "+name+" ("+file+")...");

    struct stat st;
    if(stat(file.c_str(), &st) != 0)
    {
        Mineserver::get()->screen()->log("Could not find "+file+"!");
        return false;
    }

    lhandle = LIBRARY_LOAD(file.c_str());
    if (lhandle == NULL)
    {
        Mineserver::get()->screen()->log("Could not load "+file+"!");
        Mineserver::get()->screen()->log(LIBRARY_ERROR());
        return false;
    }

    m_libraryHandles[name] = lhandle;

    fhandle = (void (*)(Mineserver*)) LIBRARY_SYMBOL(lhandle, (name+"_init").c_str());
    if (fhandle == NULL)
    {
        Mineserver::get()->screen()->log("Could not get init function handle!");
        unloadExternal(name);
        return false;
    }

    fhandle(Mineserver::get());

    return true;
}

Example #3

File: plugin.cpp Project: Almamu/mineserver

bool Plugin::loadPlugin(const std::string& name, const std::string& path, std::string alias)
{
  LIBRARY_HANDLE lhandle = NULL;
  pfms fhandle = NULL;

  if (name.empty()
      || (name.find('/')  != std::string::npos)
      || (name.find('\\') != std::string::npos))
  {
    LOG(INFO, "Plugin", "Invalid name: " + name);
    return false;
  }

  if (alias.empty())
  {
    alias = name;
  }

  if (!path.empty())
  {
    std::string file;
    file = path + '/' + name + LIBRARY_EXTENSION;

    struct stat st;
    int statr = stat(file.c_str(), &st);
    if ((statr == 0) && !(st.st_mode & S_IFDIR))
    {
      LOG(INFO, "Plugin", "Loading: " + file);
      lhandle = LIBRARY_LOAD(file.c_str());
    }
    else
    {
      LOG(INFO, "Plugin", "Could not find: " + file);
      return false;
    }
  }
  else
  {
    LOG(INFO, "Plugin", "Loading built-in: " + name);
    lhandle = LIBRARY_SELF();
  }

  if (lhandle == NULL)
  {
    LOG(INFO, "Plugin", "Could not load: " + name);
    LOG(INFO, "Plugin", LIBRARY_ERROR());
    return false;
  }

  m_libraryHandles[alias] = lhandle;

  *reinterpret_cast<void**>(&fhandle) = (void*)LIBRARY_SYMBOL(lhandle, (name + "_init").c_str());
  if (fhandle == NULL)
  {
    LOG(INFO, "Plugin", "Could not get init function handle!");
    unloadPlugin(alias);
    return false;
  }
  fhandle(&plugin_api_pointers);

  return true;
}