/**
* Generated resource id for specified resource First check the available counter, otherwise
* increment counter and return
*
* @param connection - DB Connection instance
* @param freeCounterBean - Bean corresponding to os_free_counter_tbl
* @return - generated resource-id, -1 is error occurred
* @throws SQLException
*/
public int getResourceId(Connection connection, FreeCounterBean freeCounterBean)
throws SQLException {
LOG.trace("Start ResourceIdManager#getResourceId()");
int resourceCounter = -1;
/*
* Check if any resource counter is available that can be used
*/
final FreeCounterDao freeCounterDao = new FreeCounterDao();
resourceCounter = freeCounterDao.getCounter(connection, freeCounterBean);
freeCounterBean.setResourceCounter(resourceCounter);
/*
* resource counter is available in free resource counter pool then use
* the same after deleting that from free resource counter pool. On the
* other hand increment counter and return.
*/
if (resourceCounter != -1) {
if (freeCounterDao.deleteCounter(connection, freeCounterBean) != 1) {
LOG.error("Error in deletion of resource counter from os_free_counter_tbl.");
resourceCounter = -1;
}
} else {
LOG.info("Resource counter is not available in os_free_counter_tbl.");
LOG.debug(
"Resource counter required to be generated for : "
+ freeCounterBean.getResourceId()
+ " and vtn_name : "
+ freeCounterBean.getVtnName());
if (freeCounterBean
.getResourceId()
.equalsIgnoreCase(VtnServiceOpenStackConsts.TENANT_RES_ID)) {
LOG.debug("Resource generation for VTN.");
final VtnDao vtnDao = new VtnDao();
resourceCounter = vtnDao.getNextId(connection);
} else if (freeCounterBean
.getResourceId()
.equalsIgnoreCase(VtnServiceOpenStackConsts.NETWORK_RES_ID)) {
LOG.debug("Resource generation for vBridge.");
final VBridgeDao vBridgeDao = new VBridgeDao();
resourceCounter = vBridgeDao.getNextId(connection, freeCounterBean.getVtnName());
} else if (freeCounterBean
.getResourceId()
.equalsIgnoreCase(VtnServiceOpenStackConsts.PORT_RES_ID)) {
LOG.debug("Resource generation for port/router interface.");
final VBridgeInterfaceDao vbrInterfaceDao = new VBridgeInterfaceDao();
int portResourceCounter =
vbrInterfaceDao.getNextId(connection, freeCounterBean.getVtnName());
final VRouterInterfaceDao vrtInterfaceDao = new VRouterInterfaceDao();
int interfaceResourceCounter =
vrtInterfaceDao.getNextId(connection, freeCounterBean.getVtnName());
resourceCounter = portResourceCounter + interfaceResourceCounter - 1;
}
}
LOG.info("Resource counter that will be used : " + resourceCounter);
LOG.trace("Complete ResourceIdManager#getResourceId()");
return resourceCounter;
}
/**
* Delete resource information from corresponding database table and update free resource counter
* pool, if resource was auto-generated
*
* @param connection - DB Connection instance
* @param freeCounterBean - Bean corresponding to os_free_counter_tbl
* @param resourceBean - Bean corresponding to resource specific table
* @return - true is operation executed successfully
* @throws SQLException
*/
public boolean deleteResourceId(
Connection connection, FreeCounterBean freeCounterBean, Object resourceBean)
throws SQLException {
LOG.trace("Start ResourceIdManager#deleteResourceId()");
List<Integer> ifIds = null;
boolean result = false;
int deletionStatus = -1;
if (resourceBean instanceof VtnBean) {
final VtnDao vtnDao = new VtnDao();
deletionStatus = vtnDao.delete(connection, (VtnBean) resourceBean);
} else if (resourceBean instanceof VBridgeBean) {
final VBridgeInterfaceDao vrtInterfaceDao = new VBridgeInterfaceDao();
VBridgeInterfaceBean vInterfaceBean = new VBridgeInterfaceBean();
vInterfaceBean.setVbrName(((VBridgeBean) resourceBean).getVbrName());
ifIds = vrtInterfaceDao.getVbrIfIds(connection, vInterfaceBean);
final VBridgeDao vBridgeDao = new VBridgeDao();
deletionStatus = vBridgeDao.delete(connection, (VBridgeBean) resourceBean);
} else if (resourceBean instanceof VRouterBean) {
final VRouterInterfaceDao vrtInterfaceDao = new VRouterInterfaceDao();
VRouterInterfaceBean vInterfaceBean = new VRouterInterfaceBean();
vInterfaceBean.setVtnName(freeCounterBean.getVtnName());
vInterfaceBean.setVrtName(((VRouterBean) resourceBean).getVrtName());
ifIds = vrtInterfaceDao.getVrtIfIds(connection, vInterfaceBean);
final VRouterDao vRouterDao = new VRouterDao();
deletionStatus = vRouterDao.delete(connection, (VRouterBean) resourceBean);
} else if (resourceBean instanceof VRouterInterfaceBean) {
final VRouterInterfaceDao vInterfaceDao = new VRouterInterfaceDao();
deletionStatus = vInterfaceDao.delete(connection, (VRouterInterfaceBean) resourceBean);
} else if (resourceBean instanceof VBridgeInterfaceBean) {
final VBridgeInterfaceDao vInterfaceDao = new VBridgeInterfaceDao();
deletionStatus = vInterfaceDao.delete(connection, (VBridgeInterfaceBean) resourceBean);
} else if (resourceBean instanceof StaticRouteBean) {
final StaticRouteDao staticRouteDao = new StaticRouteDao();
deletionStatus = staticRouteDao.delete(connection, (StaticRouteBean) resourceBean);
}
if (deletionStatus == 1) {
result = manageCounter(connection, freeCounterBean, resourceBean, ifIds);
}
LOG.debug("Status of operation : " + result);
LOG.trace("Complete ResourceIdManager#deleteResourceId()");
return result;
}
