SaAisErrorT saCkptSectionIterationNext(
SaCkptSectionIterationHandleT sectionIterationHandle,
SaCkptSectionDescriptorT *sectionDescriptor)
{
ClRcT rc = CL_OK;
SaAisErrorT safRc = SA_AIS_OK;
/*
* Validate the input parameters.
*/
if(sectionDescriptor == NULL)
{
return SA_AIS_ERR_INVALID_PARAM;
}
/*
* Call the corresponding ckpt client library function.
*/
rc = clCkptSectionIterationNext( (ClHandleT)sectionIterationHandle,
(ClCkptSectionDescriptorT *)sectionDescriptor);
if( rc == CL_OK)
{
if(sectionDescriptor->expirationTime == CL_TIME_END)
{
sectionDescriptor->expirationTime = SA_TIME_END;
}
}
/*
* Translate the clovis error type to SAF error type.
*/
clErrorTxlate(rc, &safRc);
return safRc;
}
/*******************************************************************************
Utility API: clTcIterToSectionId
Descrition :
This API is utility related, used by the write and read feature APIs; in case
no section ids were used during the create.
*******************************************************************************/
int
clTcIterToSectionId (
ClTcCkptDataT* ckpt_data,
int section_num,
ClCkptSectionIdT* section_id )
{
ClRcT ret_code = CL_OK;
int iter_num;
ClHandleT section_iter_hdl;
ClCkptSectionDescriptorT section_desc;
/* assumption: all sections have same expiration time;
* for now set to never expire. We will iterate until
* we come to the section number specified
*/
ret_code =
clCkptSectionIterationInitialize((ClCkptHdlT)ckpt_data->ckpt_hdl,
CL_CKPT_SECTIONS_FOREVER,
(ClTimeT)-1,
§ion_iter_hdl);
if ( ret_code != CL_OK )
{
printf("clTcIterToSectionId: Failed initialize iteration: 0x%x\n",
ret_code);
return ret_code;
}
/* iterate until we reach the section number of interest
*/
for (iter_num = 0; iter_num < section_num; iter_num++)
{
ret_code = clCkptSectionIterationNext(section_iter_hdl,
§ion_desc);
if ( ret_code != CL_OK )
{
printf("clTcIterToSectionId: Failed section iteration: 0x%x\n",
ret_code);
return ret_code;
}
}
/* Finalize the iteration to free up internal resources
*/
ret_code = clCkptSectionIterationFinalize(section_iter_hdl);
if ( ret_code != CL_OK )
{
printf("clTcIterToSectionId: Failed iteration finalize: 0x%x\n",
ret_code);
return ret_code;
}
/* assign the section id based on information retured from
* the iteration
*/
section_id->idLen = section_desc.sectionId.idLen;
section_id->id = section_desc.sectionId.id;
return ret_code;
}
static ClBoolT clCkptEntryExist(ClCachedCkptSvcInfoT *serviceInfo, const SaNameT *sectionName)
{
ClBoolT retVal = CL_FALSE;
ClRcT rc;
ClHandleT hSecIter = CL_HANDLE_INVALID_VALUE;
ClCkptSectionDescriptorT secDescriptor = {{0}};
rc = clCkptSectionIterationInitialize(serviceInfo->ckptHandle,
CL_CKPT_SECTIONS_ANY,
CL_TIME_END, &hSecIter);
if( CL_OK != rc )
{
clLogError("CCK", "EXIST", "clCkptSectionIterationInitialize(): rc [0x%x].",rc);
goto out;
}
do
{
rc = clCkptSectionIterationNext(hSecIter, &secDescriptor);
if( CL_OK != rc)
{
break;
}
if ((sectionName->length == secDescriptor.sectionId.idLen)
&& (memcmp(sectionName->value, secDescriptor.sectionId.id, sectionName->length)==0) )
{
clHeapFree(secDescriptor.sectionId.id);
secDescriptor.sectionId.idLen = 0;
retVal = CL_TRUE;
goto out_free;
}
clHeapFree(secDescriptor.sectionId.id);
secDescriptor.sectionId.id = NULL;
secDescriptor.sectionId.idLen = 0;
} while( (rc == CL_OK) );
out_free:
if(hSecIter)
{
rc = clCkptSectionIterationFinalize(hSecIter);
if( CL_OK != rc )
{
clLogError("CCK", "EXIST", "clCkptSectionIterationFinalize(): rc [0x%x].",rc);
}
}
out:
return retVal;
}
ClRcT
clLogMasterStateRecover(ClLogSvrCommonEoDataT *pCommonEoEntry,
ClLogMasterEoDataT *pMasterEoEntry,
ClBoolT switchover)
{
ClRcT rc = CL_OK;
ClHandleT hSecIter = CL_HANDLE_INVALID_VALUE;
ClCkptSectionDescriptorT secDescriptor = {{0}};
ClCkptIOVectorElementT ioVector = {{0}};
ClUint32T errIndex = 0;
ClCkptSectionCreationAttributesT secAttr = {0};
ClBoolT logReadFlag = CL_FALSE;
CL_LOG_DEBUG_TRACE(("Enter"));
rc = clLogMasterEoEntrySet(pMasterEoEntry);
if( CL_OK != rc )
{
CL_LOG_DEBUG_ERROR(("clLogMasterEoEntrySet(): rc[0x %x]", rc));
return rc;
}
if(switchover)
{
rc = clCkptActiveReplicaSetSwitchOver(pMasterEoEntry->hCkpt);
}
else
{
rc = clCkptActiveReplicaSet(pMasterEoEntry->hCkpt);
}
if (CL_OK != rc)
{
CL_LOG_DEBUG_ERROR(("clCkptActiveReplicaSet(): rc[%#x],switchover flag [%d]", rc, switchover));
return rc;
}
rc = clCkptSectionIterationInitialize(pMasterEoEntry->hCkpt,
CL_CKPT_SECTIONS_ANY,
CL_TIME_END, &hSecIter);
if( CL_OK != rc )
{
CL_LOG_DEBUG_ERROR(("clCkptSectionIterationInitialize(): rc[0x %x]",
rc));
return rc;
}
do
{
rc = clCkptSectionIterationNext(hSecIter, &secDescriptor);
if( CL_OK != rc)
{
break;
}
logReadFlag = CL_TRUE;
if( pCommonEoEntry->masterAddr == clIocLocalAddressGet() )
{
ioVector.sectionId = secDescriptor.sectionId;
ioVector.dataBuffer = NULL;
ioVector.dataSize = 0;
ioVector.readSize = 0;
ioVector.dataOffset = 0;
clLogNotice(CL_LOG_AREA_MASTER, CL_LOG_CTX_CKPT_READ,
"Got section [%.*s] to be read",
secDescriptor.sectionId.idLen, secDescriptor.sectionId.id);
if( 0 != strncmp((ClCharT *) ioVector.sectionId.id,
(ClCharT *) gLogMasterCompDataSectionId.id,
gLogMasterCompDataSectionId.idLen) )
{
rc = clCkptCheckpointRead(pMasterEoEntry->hCkpt, &ioVector, 1,
&errIndex);
if( CL_OK == rc ) /* create whatever we can */
{
if( 0 == strncmp((ClCharT *) ioVector.sectionId.id,
(ClCharT *) gLogMasterDefaultSectionId.id,
gLogMasterDefaultSectionId.idLen) )
{
rc = clLogMasterEoEntryRecover(pMasterEoEntry, &ioVector,
&errIndex);
if( CL_OK != rc )
{
clHeapFree(ioVector.dataBuffer);
clHeapFree(ioVector.sectionId.id);
break; /* break out of the loop, can't continue */
}
clHeapFree(ioVector.dataBuffer);
}
else
{
/* create whatever we can */
clLogMasterFileEntryRecover(pMasterEoEntry, &ioVector,
&errIndex);
clHeapFree(ioVector.dataBuffer);
}
}
}
clHeapFree(secDescriptor.sectionId.id);
}
else
{
return rc;
}
} while( (rc == CL_OK) );
CL_LOG_CLEANUP(clCkptSectionIterationFinalize(hSecIter), CL_OK);
if( CL_TRUE == logReadFlag )
{
ioVector.sectionId = gLogMasterCompDataSectionId;
ioVector.dataBuffer = NULL;
ioVector.dataSize = 0;
ioVector.readSize = 0;
ioVector.dataOffset = 0;
rc = clCkptCheckpointRead(pMasterEoEntry->hCkpt, &ioVector, 1, &errIndex);
if( CL_OK != rc )
{
CL_LOG_DEBUG_ERROR(("clCkptCheckpointRead():rc[0x %x]", rc));
return rc;
}
rc = clLogMasterCompTableStateRecover(pMasterEoEntry, (ClUint8T*) ioVector.dataBuffer,
ioVector.readSize);
if( CL_OK != rc )
{
CL_LOG_DEBUG_ERROR(("Unable to recreate the state of compTable"));
}
clHeapFree(ioVector.dataBuffer);
}
else
{
secAttr.sectionId = &gLogMasterDefaultSectionId;
secAttr.expirationTime = CL_TIME_END;
rc = clCkptSectionCreate(pMasterEoEntry->hCkpt, &secAttr, NULL, 0);
if( CL_OK != rc )
{
CL_LOG_DEBUG_ERROR(("clCkptSectionCreate(): rc[0x %x]", rc));
return rc;
}
secAttr.sectionId = &gLogMasterCompDataSectionId;
secAttr.expirationTime = CL_TIME_END;
rc = clCkptSectionCreate(pMasterEoEntry->hCkpt, &secAttr, NULL,
0);
if( CL_OK != rc )
{
CL_LOG_DEBUG_ERROR(("clCkptSectionCreate(): rc[0x %x]", rc));
CL_LOG_CLEANUP(clCkptSectionDelete(pMasterEoEntry->hCkpt,
&gLogMasterDefaultSectionId),
CL_OK);
}
}
CL_LOG_DEBUG_TRACE(("Exit"));
return CL_OK;
}
/*
* Function - clLogSOCkptRead()
* Walk thru the list of sections.
* Read the checkpoint data.
* Recreate the entry
*/
ClRcT
clLogStreamOwnerGlobalStateRecover(ClIocNodeAddressT masterAddr, ClBoolT switchover)
{
ClRcT rc = CL_OK;
ClHandleT hSecIter = CL_HANDLE_INVALID_VALUE;
ClCkptSectionDescriptorT secDescriptor = {{0}};
ClLogSOEoDataT *pSoEoEntry = NULL;
ClIocNodeAddressT localAddr = 0;
CL_LOG_DEBUG_TRACE(("Enter"));
localAddr = clIocLocalAddressGet();
rc = clLogStreamOwnerEoEntryGet(&pSoEoEntry, NULL);
if( CL_OK != rc )
{
return rc;
}
if(switchover)
{
rc = clCkptActiveReplicaSetSwitchOver(pSoEoEntry->hCkpt);
}
else
{
rc = clCkptActiveReplicaSet(pSoEoEntry->hCkpt);
}
if (CL_OK != rc)
{
CL_LOG_DEBUG_ERROR(("clCkptActiveReplicaSet(): rc[%#x], switchover flag [%d]", rc, switchover));
return rc;
}
rc = clCkptSectionIterationInitialize(pSoEoEntry->hCkpt,
CL_CKPT_SECTIONS_ANY,
CL_TIME_END, &hSecIter);
if( CL_OK != rc )
{
CL_LOG_DEBUG_ERROR(("clCkptSectionIterationInitialize(): rc[0x %x]",
rc));
return rc;
}
do
{
rc = clCkptSectionIterationNext(hSecIter, &secDescriptor);
if( (rc != CL_OK))
{
if( CL_ERR_NOT_EXIST == CL_GET_ERROR_CODE(rc)
||
CL_CKPT_ERR_NO_SECTIONS == CL_GET_ERROR_CODE(rc))
{
rc = CL_OK;
}
break;
}
/*
* Create the entries as many as we can, so explicitly
* not checking the rc.
*/
if( localAddr == masterAddr )
{
clLogStreamOwnerGlobalEntryRecover(pSoEoEntry, &secDescriptor);
}
clHeapFree(secDescriptor.sectionId.id);
}while((rc == CL_OK));
CL_LOG_CLEANUP(clCkptSectionIterationFinalize(hSecIter), CL_OK);
CL_LOG_DEBUG_TRACE(("Exit"));
return rc;
}
ClRcT clCachedCkptSynch(ClCachedCkptSvcInfoT *serviceInfo, ClBoolT isEmpty)
{
ClRcT rc = CL_OK;
ClHandleT hSecIter = CL_HANDLE_INVALID_VALUE;
ClCkptSectionDescriptorT secDescriptor = {{0}};
ClCkptIOVectorElementT ioVector = {{0}};
ClUint32T errIndex = 0;
rc = clCkptSectionIterationInitialize(serviceInfo->ckptHandle,
CL_CKPT_SECTIONS_ANY,
CL_TIME_END, &hSecIter);
if( CL_OK != rc )
{
clLogError("CCK", "SYNC", "clCkptSectionIterationInitialize(): rc [0x%x].",rc);
return rc;
}
do
{
rc = clCkptSectionIterationNext(hSecIter, &secDescriptor);
if( CL_OK != rc)
{
break;
}
ioVector.sectionId = secDescriptor.sectionId;
ioVector.dataBuffer = NULL;
ioVector.dataSize = 0;
ioVector.readSize = 0;
ioVector.dataOffset = 0;
rc = clCkptCheckpointRead(serviceInfo->ckptHandle, &ioVector, 1,
&errIndex);
if( CL_OK == rc )
{
ClUint8T *ckptedData, *copyData;
ClUint32T network_byte_order;
ClCachedCkptDataT sectionData;
ckptedData = (ClUint8T*) ioVector.dataBuffer;
copyData = ckptedData;
memset(§ionData.sectionName, 0, sizeof (SaNameT));
sectionData.sectionName.length = ioVector.sectionId.idLen;
memcpy(sectionData.sectionName.value, ioVector.sectionId.id, sectionData.sectionName.length);
memcpy(&network_byte_order, copyData, sizeof(ClUint32T));
sectionData.sectionAddress.iocPhyAddress.nodeAddress = (ClUint32T) ntohl((ClUint32T)network_byte_order);
copyData = copyData + sizeof(ClUint32T);
memcpy(&network_byte_order, copyData, sizeof(ClUint32T));
sectionData.sectionAddress.iocPhyAddress.portId = (ClUint32T) ntohl((ClUint32T)network_byte_order);
copyData = copyData + sizeof(ClUint32T);
sectionData.data = copyData;
sectionData.dataSize = ioVector.readSize - sizeof(ClIocAddressT);
if (isEmpty)
clCacheEntryAdd(serviceInfo, (ClCachedCkptDataT *)§ionData);
else
clCacheEntryUpdate(serviceInfo, (ClCachedCkptDataT *)§ionData);
clHeapFree(ioVector.dataBuffer);
}
clHeapFree(secDescriptor.sectionId.id);
} while( (rc == CL_OK) );
rc = clCkptSectionIterationFinalize(hSecIter);
if( CL_OK != rc )
{
clLogError("CCK", "SYNC", "clCkptSectionIterationFinalize(): rc [0x%x].",rc);
return rc;
}
return CL_OK;
}