void YarpPluginSettings::reportStatus(SharedLibraryFactory& factory) const {
int problem = factory.getStatus();
if (problem==0) {
return;
}
switch (problem) {
case SharedLibraryFactory::STATUS_LIBRARY_NOT_LOADED:
if (verbose) {
fprintf(stderr,"Cannot load plugin from shared library (%s)\n", dll_name.c_str());
fprintf(stderr,"(%s)\n", factory.getError().c_str());
}
break;
case SharedLibraryFactory::STATUS_LIBRARY_NOT_FOUND:
fprintf(stderr,"Cannot load plugin from shared library (%s)\n", dll_name.c_str());
fprintf(stderr,"(%s)\n", factory.getError().c_str());
break;
case SharedLibraryFactory::STATUS_FACTORY_NOT_FOUND:
fprintf(stderr,"cannot find YARP hook in shared library (%s:%s)\n", dll_name.c_str(), fn_name.c_str());
fprintf(stderr,"(%s)\n", factory.getError().c_str());
break;
case SharedLibraryFactory::STATUS_FACTORY_NOT_FUNCTIONAL:
fprintf(stderr,"YARP hook in shared library misbehaved (%s:%s)\n", dll_name.c_str(), fn_name.c_str());
fprintf(stderr,"(the library may be too old/new and need to be recompiled to match YARP version)\n");
fprintf(stderr,"(%s)\n", factory.getError().c_str());
break;
default:
fprintf(stderr,"Unknown error (%s:%s)\n", dll_name.c_str(), fn_name.c_str());
fprintf(stderr,"(%s)\n", factory.getError().c_str());
break;
}
}
bool YarpPluginSettings::open(SharedLibraryFactory& factory,
const ConstString& dll_name,
const ConstString& fn_name) {
bool ok = subopen(factory,dll_name,fn_name);
if (!ok) {
if (factory.getStatus() ==
SharedLibraryFactory::STATUS_FACTORY_NOT_FOUND) {
if (fn_ext!="") {
ok = subopen(factory,dll_name,fn_name + fn_ext);
} else {
ok = subopen(factory,dll_name,fn_name + "_carrier");
if (!ok) {
ok = subopen(factory,dll_name,fn_name + "_device");
}
}
}
}
return ok;
}
bool YarpPluginSettings::subopen(SharedLibraryFactory& factory,
const ConstString& dll_name,
const ConstString& fn_name) {
YARP_SPRINTF2(impl::Logger::get(),debug,"Trying plugin [dll: %s] [fn: %s]",
dll_name.c_str(),fn_name.c_str());
bool ok = factory.open(dll_name.c_str(),fn_name.c_str());
if (verbose) {
fprintf(stderr,"Trying to find library '%s' containing function '%s' -- %s\n", dll_name.c_str(), fn_name.c_str(), ok ? "found" :"fail");
}
if (ok) {
YARP_SPRINTF2(impl::Logger::get(),debug,
"Found plugin [dll: %s] [fn: %s]",
dll_name.c_str(),fn_name.c_str());
this->dll_name = dll_name;
this->fn_name = fn_name;
} else if (verbose || (factory.getStatus() != SharedLibraryFactory::STATUS_LIBRARY_NOT_FOUND)) {
fprintf(stderr, "error while opening %s:\n %s\n", dll_name.c_str(), factory.getError().c_str());
}
return ok;
}