#include "ks_dht.h"
#include "ks_dht-int.h"
#include "sodium.h"

KS_DECLARE(ks_status_t) ks_dht_search_create(ks_dht_search_t **search,
											 ks_pool_t *pool,
											 ks_dhtrt_routetable_t *table,
											 const ks_dht_nodeid_t *target,
											 ks_dht_job_callback_t callback,
											 void *data)
{
	ks_dht_search_t *s;
	ks_status_t ret = KS_STATUS_SUCCESS;

	ks_assert(search);
	ks_assert(pool);
	ks_assert(table);
	ks_assert(target);

	*search = s = ks_pool_alloc(pool, sizeof(ks_dht_search_t));
	ks_assert(s);

	s->pool = pool;

	ks_mutex_create(&s->mutex, KS_MUTEX_FLAG_DEFAULT, s->pool);
	ks_assert(s->mutex);

	s->table = table;
	memcpy(s->target.id, target->id, KS_DHT_NODEID_SIZE);

	s->callback = callback;
	s->data = data;

	ks_hash_create(&s->searched, KS_HASH_MODE_ARBITRARY, KS_HASH_FLAG_NOLOCK | KS_HASH_FLAG_DUP_CHECK, s->pool);
	ks_assert(s->searched);
	ks_hash_set_keysize(s->searched, KS_DHT_NODEID_SIZE);

	s->searching = 0;

	// done:
	if (ret != KS_STATUS_SUCCESS) {
		if (s) ks_dht_search_destroy(search);
	}
	return ret;
}

KS_DECLARE(void) ks_dht_search_destroy(ks_dht_search_t **search)
{
	ks_dht_search_t *s;

	ks_assert(search);
	ks_assert(*search);

	s = *search;

	if (s->searched) ks_hash_destroy(&s->searched);
	if (s->mutex) ks_mutex_destroy(&s->mutex);

	ks_pool_free(s->pool, search);
}

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