dentry

package

v0.0.0-...-f7706eb Latest Latest Go to latest Published: May 2, 2024 License: Apache-2.0 Imports: 22 Imported by: 0

Details

Valid go.mod file

The Go module system was introduced in Go 1.11 and is the official dependency management solution for Go.
Redistributable license

Redistributable licenses place minimal restrictions on how software can be used, modified, and redistributed.
Tagged version

Modules with tagged versions give importers more predictable builds.
Stable version

When a project reaches major version v1 it is considered stable.
Learn more about best practices

Repository

github.com/DataDog/datadog-agent

Documentation ¶

Overview ¶

Package dentry holds dentry related files

Index ¶

Variables
func IsFakeInode(inode uint64) bool
type ErrDentryPathKeyNotFound
- func (err ErrDentryPathKeyNotFound) Error() string
type ErrERPCRequestNotProcessed
- func (err ErrERPCRequestNotProcessed) Error() string
type ErrERPCResolution
- func (err ErrERPCResolution) Error() string
type ErrKernelMapResolution
- func (err ErrKernelMapResolution) Error() string
type ErrTruncatedParents
- func (err ErrTruncatedParents) Error() string
type ErrTruncatedParentsERPC
- func (err ErrTruncatedParentsERPC) Error() string
type PathEntry
type Resolver
- func NewResolver(config *config.Config, statsdClient statsd.ClientInterface, e *erpc.ERPC) (*Resolver, error)

Constants ¶

This section is empty.

Variables ¶

View Source

var ErrEntryNotFound = errors.New("entry not found")

ErrEntryNotFound is thrown when a path key was not found in the cache

Functions ¶

func IsFakeInode ¶

func IsFakeInode(inode uint64) bool

IsFakeInode returns whether the given inode is a fake inode

Types ¶

type ErrDentryPathKeyNotFound ¶

type ErrDentryPathKeyNotFound struct {
	PathKey model.PathKey
}

ErrDentryPathKeyNotFound is used to notify that the request key is missing from the kernel maps

func (ErrDentryPathKeyNotFound) Error ¶

func (err ErrDentryPathKeyNotFound) Error() string

type ErrERPCRequestNotProcessed ¶

type ErrERPCRequestNotProcessed struct{}

ErrERPCRequestNotProcessed is used to notify that the eRPC request was not processed

func (ErrERPCRequestNotProcessed) Error ¶

func (err ErrERPCRequestNotProcessed) Error() string

type ErrERPCResolution ¶

type ErrERPCResolution struct{}

ErrERPCResolution is used to notify that the eRPC resolution failed

func (ErrERPCResolution) Error ¶

func (err ErrERPCResolution) Error() string

type ErrKernelMapResolution ¶

type ErrKernelMapResolution struct{}

ErrKernelMapResolution is used to notify that the Kernel maps resolution failed

func (ErrKernelMapResolution) Error ¶

func (err ErrKernelMapResolution) Error() string

type ErrTruncatedParents ¶

type ErrTruncatedParents struct{}

ErrTruncatedParents is used to notify that some parents of the path are missing

func (ErrTruncatedParents) Error ¶

func (err ErrTruncatedParents) Error() string

type ErrTruncatedParentsERPC ¶

type ErrTruncatedParentsERPC struct{}

ErrTruncatedParentsERPC is used to notify that some parents of the path are missing

func (ErrTruncatedParentsERPC) Error ¶

func (err ErrTruncatedParentsERPC) Error() string

type PathEntry ¶

type PathEntry struct {
	Parent model.PathKey
	Name   string
}

PathEntry is the path structure saved in cache

type Resolver ¶

type Resolver struct {
	// contains filtered or unexported fields
}

Resolver resolves inode/mountID to full paths

func NewResolver ¶

func NewResolver(config *config.Config, statsdClient statsd.ClientInterface, e *erpc.ERPC) (*Resolver, error)

NewResolver returns a new dentry resolver

func (*Resolver) Close ¶

func (dr *Resolver) Close() error

Close cleans up the eRPC segment

func (*Resolver) DelCacheEntries ¶

func (dr *Resolver) DelCacheEntries(mountID uint32)

DelCacheEntries removes all the entries belonging to a mountID

func (*Resolver) GetParent ¶

func (dr *Resolver) GetParent(pathKey model.PathKey) (model.PathKey, error)

GetParent returns the parent mount_id/inode

func (*Resolver) Resolve ¶

func (dr *Resolver) Resolve(pathKey model.PathKey, cache bool) (string, error)

Resolve the pathname of a dentry, starting at the pathnameKey in the pathnames table

func (*Resolver) ResolveFromCache ¶

func (dr *Resolver) ResolveFromCache(pathKey model.PathKey) (string, error)

ResolveFromCache resolves path from the cache

func (*Resolver) ResolveFromERPC ¶

func (dr *Resolver) ResolveFromERPC(pathKey model.PathKey, cache bool) (string, error)

ResolveFromERPC resolves the path of the provided inode / mount id / path id

func (*Resolver) ResolveFromMap ¶

func (dr *Resolver) ResolveFromMap(pathKey model.PathKey, cache bool) (string, error)

ResolveFromMap resolves the path of the provided inode / mount id / path id

func (*Resolver) ResolveName ¶

func (dr *Resolver) ResolveName(pathKey model.PathKey) string

ResolveName resolves an inode/mount ID pair to a file basename

func (*Resolver) ResolveNameFromCache ¶

func (dr *Resolver) ResolveNameFromCache(pathKey model.PathKey) (string, error)

ResolveNameFromCache returns the name

func (*Resolver) ResolveNameFromMap ¶

func (dr *Resolver) ResolveNameFromMap(pathKey model.PathKey) (string, error)

ResolveNameFromMap resolves the name of the provided inode

func (*Resolver) ResolveParentFromCache ¶

func (dr *Resolver) ResolveParentFromCache(pathKey model.PathKey) (model.PathKey, error)

ResolveParentFromCache resolves the parent

func (*Resolver) ResolveParentFromMap ¶

func (dr *Resolver) ResolveParentFromMap(pathKey model.PathKey) (model.PathKey, error)

ResolveParentFromMap resolves the parent

func (*Resolver) SendStats ¶

func (dr *Resolver) SendStats() error

SendStats sends the dentry resolver metrics

func (*Resolver) Start ¶

func (dr *Resolver) Start(manager *manager.Manager) error

Start the dentry resolver

Source Files ¶

View all Source files

?	: This menu
/	: Search site
f or F	: Jump to
y or Y	: Canonical URL