static int _kr_data_item_hdi_load(char *psParamClassName,
char *psParamObjectKey, char *psParamObjectString,
void *ptParamObject, void *data)
{
T_KRParamHdi *ptParamHdi = (T_KRParamHdi *)ptParamObject;
T_KRData *ptData = (T_KRData *)data;
T_KRDataItem *ptDataItem = kr_data_item_new(
ptParamHdi,
ptParamHdi->caHdiName[0], //FIXME:
ptParamHdi->lHdiId,
ptData->pfGetType,
ptData->pfGetValue,
kr_data_item_hdi_new,
kr_data_item_hdi_aggr,
kr_data_item_hdi_free);
if (ptDataItem == NULL) {
KR_LOG(KR_LOGERROR, "kr_data_item_create [%ld] failed!", \
ptParamHdi->lHdiId);
return -1;
}
//insert into item table
kr_hashtable_replace(ptData->ptItemTable, ptDataItem->caDataItemId, ptDataItem);
return 0;
}
int kr_coordi_handle_svron(T_KREventLoop *el, int fd, T_KRMessage *krmsg)
{
KR_LOG(KR_LOGDEBUG, "Server [%s] Online [%d]!", krmsg->serverid, fd);
char ip[32];
int port;
kr_net_peer_to_string(fd, ip, &port);
cJSON *apply_json = cJSON_Parse(krmsg->msgbuf);
if (apply_json == NULL) {
KR_LOG(KR_LOGERROR, "parse apply json failed!");
return -1;
}
int weights = (int )cJSON_GetNumber(apply_json, "weights");
if (weights <= 0) {
KR_LOG(KR_LOGERROR, "weights [%d] invalid!", weights);
return -1;
}
int replica = (int )cJSON_GetNumber(apply_json, "replica");
if (replica <= 0) {
KR_LOG(KR_LOGERROR, "replica [%d] invalid!", replica);
return -1;
}
/* Check this server whether exists */
T_KRActualNode *node = \
kr_conhash_lookup(krcoordi.servers, krmsg->serverid);
if (node != NULL) {
KR_LOG(KR_LOGDEBUG, "Server %s already exists!", krmsg->serverid);
return 0;
}
/* allocate connector for this server */
T_KRCoordiConnector *ptServer = kr_calloc(sizeof(T_KRCoordiConnector));
if (ptServer == NULL) {
KR_LOG(KR_LOGERROR, "kr_calloc ptServer error!");
return -1;
}
ptServer->fd = fd;
ptServer->role = KR_COORDI_SERVER;
strcpy(ptServer->id, krmsg->serverid);
strcpy(ptServer->ip, ip);
ptServer->aplnum = 0;
ptServer->rplnum = 0;
ptServer->errnum = 0;
ptServer->weights = weights;
ptServer->replica = replica;
/* Manage this server with consistent hashing */
kr_conhash_add(krcoordi.servers, ptServer->id, ptServer->weights, ptServer);
/*add this server fd--id mapping to fdtable*/
kr_hashtable_replace(krcoordi.fdtable, &ptServer->fd, ptServer);
return 0;
}
static void kr_rebuild_index_ins(T_KRIndex *krindex, T_KRRecord *krrecord)
{
void *key = kr_get_field_value(krrecord, krindex->iIndexFieldId);
T_KRList *pRecList = kr_hashtable_lookup(krindex->pHashTable, key);
if (pRecList == NULL) {
pRecList = kr_list_new();
kr_list_set_compare(pRecList, (KRCompareDataFunc)kr_db_field_compare);
}
if (krindex->iSortFieldId >= 0) {
kr_list_add_sorted(pRecList, krrecord, &krindex->iSortFieldId);
} else {
kr_list_add_tail(pRecList, krrecord);
}
kr_hashtable_replace(krindex->pHashTable, key, pRecList);
}
T_KRHdiCacheValue *kr_hdi_cache_get(T_KRCache *cache, void *key, long hid)
{
T_KRHdiCacheValue *hdi_cache_val = NULL;
T_KRHashTable *node = kr_cache_get(cache, key);
if (node != NULL) {
hdi_cache_val = kr_hashtable_lookup(node, &hid);
} else {
node = kr_hashtable_new_full(kr_long_hash, kr_long_equal, \
NULL, (KRDestroyNotify )kr_hdi_cache_value_free);
kr_cache_set(cache, key, node);
}
if (hdi_cache_val == NULL) {
hdi_cache_val = kr_hdi_cache_value_new(hid);
kr_hashtable_replace(node, &hdi_cache_val->lHDIId, hdi_cache_val);
}
return hdi_cache_val;
}
static void kr_rebuild_index_del(T_KRIndex *krindex, T_KRRecord *krrecord)
{
void *key = kr_get_field_value(krrecord, krindex->iIndexFieldId);
T_KRList *pRecList = kr_hashtable_lookup(krindex->pHashTable, key);
if (pRecList != NULL) kr_list_remove(pRecList, krrecord);
if (kr_list_length(pRecList) != 0 ) {
T_KRRecord *ptRecord = kr_list_value(kr_list_last(pRecList));
T_KRIndex *newIndex = krindex;
/* the dropped record and the last record of current list
* belongs to different tables
*/
if (krrecord->ptTable != ptRecord->ptTable) {
newIndex = kr_get_table_index(ptRecord->ptTable, krindex->iIndexId);
}
key = kr_get_field_value(ptRecord, newIndex->iIndexFieldId);
kr_hashtable_replace(newIndex->pHashTable, key, pRecList);
} else {
kr_list_destroy(pRecList);
kr_hashtable_remove(krindex->pHashTable, key);
}
}
int kr_coordi_handle_clion(T_KREventLoop *el, int fd, T_KRMessage *krmsg)
{
KR_LOG(KR_LOGDEBUG, "Client [%s] Online [%d]!", krmsg->clientid, fd);
char ip[32];
int port;
kr_net_peer_to_string(fd, ip, &port);
/* Check this client whether exists */
T_KRListNode *node = kr_list_search(krcoordi.clients, krmsg->clientid);
if (node != NULL) {
KR_LOG(KR_LOGDEBUG, "Client %s already exists!", krmsg->clientid);
return 0;
}
/* allocate connector for this server */
T_KRCoordiConnector *ptClient = kr_calloc(sizeof(T_KRCoordiConnector));
if (ptClient == NULL) {
KR_LOG(KR_LOGERROR, "kr_calloc ptClient error!");
return -1;
}
ptClient->fd = fd;
ptClient->role = KR_COORDI_CLIENT;
strcpy(ptClient->id, krmsg->clientid);
strcpy(ptClient->ip, ip);
ptClient->aplnum = 0;
ptClient->rplnum = 0;
ptClient->errnum = 0;
/* Manage this client with list */
kr_list_add_tail(krcoordi.clients, ptClient);
/*add this client fd--id mapping to fdtable*/
kr_hashtable_replace(krcoordi.fdtable, &ptClient->fd, ptClient);
return 0;
}
