/* Scans the backend plugin directory and links to any plugins found there. This
* should be called from the main() function, prior to any calls being made to
* get_resource().
*/
int register_backend_plugins()
{
std::string backend_dir = get_config ( "backend_plugin_dir" );
main_log ( "Getting backend plugins from" + backend_dir, NOTICE );
DIR* backends;
struct dirent* next_file;
std::string filepath;
void* handle;
char *dl_status_ptr;;
std::string dl_status;
if ( ! ( backends=opendir ( backend_dir.c_str() ) ) )
{
int e_no = errno;
main_log ( "Failed to open backend plugin directory " + backend_dir + ". Exiting...", ERROR );
error ( EXIT_FAILURE,e_no,"Opening directory failed" );
}
errno = 0;
while ( ( next_file = readdir ( backends ) ) )
{
filepath = backend_dir + "/" + next_file->d_name;
main_log ( "Considering " + filepath + " as a plugin.", DEBUG );
if ( filepath.substr ( filepath.size()-3 ) != ".so" )
{
continue;
}
main_log << INFO << filepath << " seems to be a plugin. Linking...\n" ;
handle = dlopen ( filepath.c_str(),RTLD_NOW );
if ( !handle )
{
main_log ( std::string ( "Failed to link to plugin " ) + next_file->d_name + ": " + dlerror(),ERROR );
error ( EXIT_FAILURE,0,"Linking plugin failed" );
}
else
{
main_log << DEBUG << "Opened plugin " << filepath
<< " for linking.\n";
}
std::list<backend_t> ( *register_backend ) ();
// Clear the dlerror
dlerror();
main_log ( "Cleared the error buffer. Trying to link...\n",INFO );
register_backend = ( register_backend_fn ) ( void* ) dlsym ( handle,"register_backend" );
main_log ( "Link complete. Checking status...", DEBUG );
dl_status_ptr = dlerror();
if ( dl_status_ptr ) dl_status = dl_status_ptr;
main_log ( "Status is " + dl_status );
if ( dl_status.size() )
{
main_log ( std::string ( "Failed to get symbol for 'register_backend': " ) + dl_status, ERROR );
error ( EXIT_FAILURE,0,"Getting symbol failed." );
}
else
{
main_log ( "Got the 'register_backend' symbol.", DEBUG );
}
main_log ( "Attempting to register backends...", DEBUG );
std::list<backend_t> result_list = register_backend();
main_log ( "Got backend list.", DEBUG );
/* Attempt to add each file extension returned to the handler list. */
for ( auto candidate : result_list )
{
for ( auto current : plugin_list )
{
if ( candidate.str == current.str && candidate.priority < current.priority )
{
current = candidate;
main_log ( "Replaced handler with extension " + current.str + " to list.", DEBUG );
goto success;
}
}
plugin_list.push_back ( candidate );
main_log ( "Added handler with extension " + candidate.str + " to list.", DEBUG );
success:
;
}
main_log ( "Finished getting backends.",DEBUG );
}
closedir ( backends );
return 0;
}
GncSqlBackend::ObjectBackendRegistry::ObjectBackendRegistry()
{
register_backend(std::make_shared<GncSqlBookBackend>());
register_backend(std::make_shared<GncSqlCommodityBackend>());
register_backend(std::make_shared<GncSqlAccountBackend>());
register_backend(std::make_shared<GncSqlBudgetBackend>());
register_backend(std::make_shared<GncSqlPriceBackend>());
register_backend(std::make_shared<GncSqlTransBackend>());
register_backend(std::make_shared<GncSqlSplitBackend>());
register_backend(std::make_shared<GncSqlSlotsBackend>());
register_backend(std::make_shared<GncSqlRecurrenceBackend>());
register_backend(std::make_shared<GncSqlSchedXactionBackend>());
register_backend(std::make_shared<GncSqlLotsBackend>());
register_backend(std::make_shared<GncSqlBillTermBackend>());
register_backend(std::make_shared<GncSqlCustomerBackend>());
register_backend(std::make_shared<GncSqlEmployeeBackend>());
register_backend(std::make_shared<GncSqlEntryBackend>());
register_backend(std::make_shared<GncSqlInvoiceBackend>());
register_backend(std::make_shared<GncSqlJobBackend>());
register_backend(std::make_shared<GncSqlOrderBackend>());
register_backend(std::make_shared<GncSqlTaxTableBackend>());
register_backend(std::make_shared<GncSqlVendorBackend>());
}
NTSTATUS registry_wine_init(void)
{
register_backend("registry", ®_backend_wine);
return NT_STATUS_OK;
}
