func (sub *Sub) processFileUpdates() bool {
haveUpdates := false
for {
image := sub.requiredImage
if image != nil && sub.computedInodes == nil {
sub.computedInodes = make(map[string]*filesystem.RegularInode)
sub.busyFlagMutex.Lock()
if sub.deleting {
sub.busyFlagMutex.Unlock()
return false
}
sub.herd.computedFilesManager.Update(
filegenclient.Machine{sub.mdb, sub.getComputedFiles(image)})
sub.busyFlagMutex.Unlock()
}
select {
case fileInfos := <-sub.fileUpdateChannel:
if image == nil {
continue
}
filenameToInodeTable := image.FileSystem.FilenameToInodeTable()
for _, fileInfo := range fileInfos {
inum, ok := filenameToInodeTable[fileInfo.Pathname]
if !ok {
continue
}
genericInode, ok := image.FileSystem.InodeTable[inum]
if !ok {
continue
}
cInode, ok := genericInode.(*filesystem.ComputedRegularInode)
if !ok {
continue
}
rInode := new(filesystem.RegularInode)
rInode.Mode = cInode.Mode
rInode.Uid = cInode.Uid
rInode.Gid = cInode.Gid
rInode.MtimeSeconds = -1 // The time is set during the compute.
rInode.Size = fileInfo.Length
rInode.Hash = fileInfo.Hash
sub.computedInodes[fileInfo.Pathname] = rInode
haveUpdates = true
}
default:
return haveUpdates
}
}
return haveUpdates
}