int initCppAPI(char* cppFilterLib) {
char *error = NULL;
// try load lib in local directory, so we need 2 strigns,
// the first with ./, em the second whithout
char* libnameLocal = (char*)malloc(strlen(cppFilterLib) + 3);
sprintf(libnameLocal, "./%s", cppFilterLib);
// get the library handler
void* filterLibHandler = NULL;
if (((filterLibHandler = dlopen(libnameLocal, RTLD_NOW)) == NULL) &&
((filterLibHandler = dlopen(cppFilterLib, RTLD_NOW)) == NULL )) {
fprintf(stderr, "api_cpp.cpp: could not load filter %s library, %s\n", cppFilterLib, dlerror());
dlclose(cppFilterLib);
return -1;
}
free(libnameLocal);
// load filter from dynamic library : filterFactory()
// warnnig: here we only try to load simbols in C
filterFactory_t* filterLibFactory = (filterFactory_t *)dlsym(filterLibHandler, "filterFactory");
if ((error = dlerror()) != NULL) {
fprintf (stderr, "Erro no dlsym: %s\n", error);
dlclose(filterLibHandler);
return -1;
}
// call filterFactory() to register the filter object
filterLibFactory();
return 1;
}
int finalizeFilterEvent(){
// call filterFactory() to register the filter object
filterLibFactory();
return 1;
}
