/**
* Create dns handler.
*
*/
dnshandler_type*
dnshandler_create(allocator_type* allocator, listener_type* interfaces)
{
dnshandler_type* dnsh = NULL;
if (!allocator || !interfaces || interfaces->count <= 0) {
return NULL;
}
dnsh = (dnshandler_type*) allocator_alloc(allocator,
sizeof(dnshandler_type));
if (!dnsh) {
ods_log_error("[%s] unable to create dnshandler: "
"allocator_alloc() failed", dnsh_str);
return NULL;
}
dnsh->allocator = allocator;
dnsh->need_to_exit = 0;
dnsh->engine = NULL;
dnsh->interfaces = interfaces;
dnsh->socklist = NULL;
dnsh->netio = NULL;
dnsh->query = NULL;
/* setup */
dnsh->socklist = (socklist_type*) allocator_alloc(allocator,
sizeof(socklist_type));
if (!dnsh->socklist) {
ods_log_error("[%s] unable to create socklist: "
"allocator_alloc() failed", dnsh_str);
dnshandler_cleanup(dnsh);
return NULL;
}
dnsh->netio = netio_create(allocator);
if (!dnsh->netio) {
ods_log_error("[%s] unable to create dnshandler: "
"netio_create() failed", dnsh_str);
dnshandler_cleanup(dnsh);
return NULL;
}
dnsh->query = query_create();
if (!dnsh->query) {
ods_log_error("[%s] unable to create dnshandler: "
"query_create() failed", dnsh_str);
dnshandler_cleanup(dnsh);
return NULL;
}
dnsh->xfrhandler.fd = -1;
dnsh->xfrhandler.user_data = (void*) dnsh;
dnsh->xfrhandler.timeout = 0;
dnsh->xfrhandler.event_types = NETIO_EVENT_READ;
dnsh->xfrhandler.event_handler = dnshandler_handle_xfr;
return dnsh;
}
/**
* Clean up engine.
*
*/
void
engine_cleanup(engine_type* engine)
{
size_t i = 0;
if (!engine) {
return;
}
if (engine->workers && engine->config) {
for (i=0; i < (size_t) engine->config->num_worker_threads; i++) {
worker_cleanup(engine->workers[i]);
}
free(engine->workers);
}
if (engine->drudgers && engine->config) {
for (i=0; i < (size_t) engine->config->num_signer_threads; i++) {
worker_cleanup(engine->drudgers[i]);
}
free(engine->drudgers);
}
zonelist_cleanup(engine->zonelist);
schedule_cleanup(engine->taskq);
fifoq_cleanup(engine->signq);
cmdhandler_cleanup(engine->cmdhandler);
dnshandler_cleanup(engine->dnshandler);
xfrhandler_cleanup(engine->xfrhandler);
engine_config_cleanup(engine->config);
lock_basic_destroy(&engine->signal_lock);
lock_basic_off(&engine->signal_cond);
free(engine);
}
/**
* Clean up engine.
*
*/
void
engine_cleanup(engine_type* engine)
{
size_t i = 0;
allocator_type* allocator;
cond_basic_type signal_cond;
lock_basic_type signal_lock;
if (!engine) {
return;
}
allocator = engine->allocator;
signal_cond = engine->signal_cond;
signal_lock = engine->signal_lock;
if (engine->workers && engine->config) {
for (i=0; i < (size_t) engine->config->num_worker_threads; i++) {
worker_cleanup(engine->workers[i]);
}
allocator_deallocate(allocator, (void*) engine->workers);
}
if (engine->drudgers && engine->config) {
for (i=0; i < (size_t) engine->config->num_signer_threads; i++) {
worker_cleanup(engine->drudgers[i]);
}
allocator_deallocate(allocator, (void*) engine->drudgers);
}
zonelist_cleanup(engine->zonelist);
schedule_cleanup(engine->taskq);
fifoq_cleanup(engine->signq);
cmdhandler_cleanup(engine->cmdhandler);
dnshandler_cleanup(engine->dnshandler);
xfrhandler_cleanup(engine->xfrhandler);
engine_config_cleanup(engine->config);
allocator_deallocate(allocator, (void*) engine);
lock_basic_destroy(&signal_lock);
lock_basic_off(&signal_cond);
allocator_cleanup(allocator);
return;
}
