static void dns_cache_utm_fn(struct dns_ctx *ctx, int timeout, void *data) {
eventer_t e = NULL, newe = NULL;
if(ctx == NULL) e = eventer_remove(dns_cache_timeout);
else {
if(timeout < 0) e = eventer_remove(dns_cache_timeout);
else {
newe = eventer_in_s_us(dns_invoke_timeouts, dns_ctx, timeout, 0);
}
}
if(e) eventer_free(e);
if(newe) eventer_add(newe);
dns_cache_timeout = newe;
}
static int
mtev_lua_general_init(mtev_dso_generic_t *self) {
const char * const *module;
int (*f)(lua_State *);
lua_general_conf_t *conf = get_config(self);
lua_module_closure_t *lmc = pthread_getspecific(conf->key);
if(lmc) return 0;
if(!lmc) {
lmc = calloc(1, sizeof(*lmc));
lmc->self = self;
mtev_hash_init(&lmc->state_coros);
pthread_setspecific(conf->key, lmc);
}
if(!conf->module || !conf->function) {
mtevL(nlerr, "lua_general cannot be used without module and function config\n");
return -1;
}
lmc->resume = lua_general_resume;
lmc->owner = pthread_self();
lmc->eventer_id = eventer_is_loop(lmc->owner);
lmc->lua_state = mtev_lua_open(self->hdr.name, lmc,
conf->script_dir, conf->cpath);
mtevL(nldeb, "lua_general opening state -> %p\n", lmc->lua_state);
if(lmc->lua_state == NULL) {
mtevL(mtev_error, "lua_general could not add general functions\n");
return -1;
}
luaL_openlib(lmc->lua_state, "mtev", general_lua_funcs, 0);
/* Load some preloads */
for(module = conf->Cpreloads; module && *module; module++) {
int len;
char *symbol = NULL;
len = strlen(*module) + strlen("luaopen_");
symbol = malloc(len+1);
if(!symbol) mtevL(nlerr, "Failed to preload %s: malloc error\n", *module);
else {
snprintf(symbol, len+1, "luaopen_%s", *module);
#ifdef RTLD_DEFAULT
f = dlsym(RTLD_DEFAULT, symbol);
#else
f = dlsym((void *)0, symbol);
#endif
if(!f) mtevL(nlerr, "Failed to preload %s: %s not found\n", *module, symbol);
else f(lmc->lua_state);
}
free(symbol);
}
lmc->pending = calloc(1, sizeof(*lmc->pending));
mtev_hash_init(lmc->pending);
if(conf->booted) return true;
conf->booted = mtev_true;
eventer_add_in_s_us(dispatch_general, self, 0, 0);
if(conf->concurrent) {
int i = 1;
pthread_t tgt, thr;
thr = eventer_choose_owner(i++);
do {
eventer_t e = eventer_in_s_us(dispatch_general, self, 0, 0);
tgt = eventer_choose_owner(i++);
eventer_set_owner(e, tgt);
eventer_add(e);
} while(!pthread_equal(thr,tgt));
}
return 0;
}