maciLibraryManager.h

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#ifndef maciLibraryManager_h
#define maciLibraryManager_h

/*******************************************************************
* E.S.O. - ACS project
*
* "@(#) $Id: maciLibraryManager.h,v 1.83 2006/09/01 02:20:54 cparedes Exp $"
*
* who       when        what
* --------  ----------  ----------------------------------------------
* msekoran  2001/05/19  redesigned
*/

#ifndef __cplusplus
#error This is a C++ include file and cannot be used from plain C
#endif

#include <acsutil.h>

#include <tao/corba.h>
#include <tao/PortableServer/PortableServer.h>

#include <maciRegistrar.h>

#include <acsutilThreadInit.h>
#include <ace/SString.h>
#include <ace/Synch.h>

#include <logging.h>

namespace maci {

class LibraryManager
{

public:

  typedef bool (*DLLOpenFunc)(int argc, char *argv[]);


  typedef void (*DLLCloseFunc)(void);


  typedef void (*DLLSetupCORBAFunc)(CORBA::ORB_ptr m_orb,
                                    PortableServer::POAManager_ptr m_poaManager,
                                    PortableServer::POA_ptr m_poaRoot,
                                    PortableServer::POA_ptr m_poaPersistent,
                                    PortableServer::POA_ptr m_poaTransient);
  
  typedef void (*DLLInitThreadsFunc)(InitThreadFunc initFunc, DoneThreadFunc doneFunc);

  LibraryManager();

  ~LibraryManager();

  void setSearchPath(const char * path);

  const char * getSearchPath() { return m_path; }

  void closeAllLibraries(bool inform = true);

  char * locateLibrary(const char * name);


  void lock(int h);

  void unlock(int h);

  int load(const char * path, int argc = 0, char *argv[] = 0);

  void unload(int h);

  void unload(const char* name);

  void * getSymbol(int h, const char * symbol);

  bool setupCORBAinDLL(int handle,
                       CORBA::ORB_ptr m_orb,
                       PortableServer::POAManager_ptr m_poaManager,
                       PortableServer::POA_ptr m_poaRoot,
                       PortableServer::POA_ptr m_poaPersistent,
                       PortableServer::POA_ptr m_poaTransient);

  bool initThreadsInDLL(int handle, InitThreadFunc initFunc, DoneThreadFunc doneFunc);

private:

  struct LibraryInfo
  {
    ACE_SHLIB_HANDLE hLib;
    int nRefCount;
    ACE_CString path;
  };

  Registrar<int, LibraryInfo> m_libraries;
  
  char * m_path;

  int ldfind(const ACE_TCHAR filename[],
             ACE_TCHAR pathname[],
             size_t maxpathnamelen);

  ACE_Recursive_Thread_Mutex mutex;

    Logging::Logger::LoggerSmartPtr
    getLogger() {return logger_m;}

    Logging::Logger::LoggerSmartPtr logger_m;

};

 }; 

#endif // maciLibraryManager_h