internal CheckpointSignature(FSImage fsImage)
: base(fsImage.GetStorage())
{
blockpoolID = fsImage.GetBlockPoolID();
mostRecentCheckpointTxId = fsImage.GetStorage().GetMostRecentCheckpointTxId();
curSegmentTxId = fsImage.GetEditLog().GetCurSegmentTxId();
}
/// <exception cref="System.IO.IOException"/>
internal virtual void ValidateStorageInfo(FSImage si)
{
if (!IsSameCluster(si) || !StorageVersionMatches(si.GetStorage()))
{
throw new IOException("Inconsistent checkpoint fields.\n" + "LV = " + layoutVersion
+ " namespaceID = " + namespaceID + " cTime = " + cTime + " ; clusterId = " + clusterID
+ " ; blockpoolId = " + blockpoolID + ".\nExpecting respectively: " + si.GetStorage
().layoutVersion + "; " + si.GetStorage().namespaceID + "; " + si.GetStorage().cTime
+ "; " + si.GetClusterID() + "; " + si.GetBlockPoolID() + ".");
}
}
internal virtual bool IsSameCluster(FSImage si)
{
return(namespaceID == si.GetStorage().namespaceID&& clusterID.Equals(si.GetClusterID
()) && blockpoolID.Equals(si.GetBlockPoolID()));
}