Struct cgroups::net_cls::NetClsController

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pub struct NetClsController { /* private fields */ }

Expand description

A controller that allows controlling the net_cls subsystem of a Cgroup.

In esssence, using the net_cls controller, one can attach a custom class to the network packets emitted by the control group’s tasks. This can then later be used in iptables to have custom firewall rules, QoS, etc.

Implementations

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impl NetClsController

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pub fn new(oroot: PathBuf) -> Self

Constructs a new NetClsController with oroot serving as the root of the control group.

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pub fn set_class(&self, class: u64) -> Result<()>

Set the network class id of the outgoing packets of the control group’s tasks.

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pub fn get_class(&self) -> Result<u64>

Get the network class id of the outgoing packets of the control group’s tasks.

Trait Implementations

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impl Clone for NetClsController

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fn clone(&self) -> NetClsController

Returns a copy of the value. Read more

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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl Debug for NetClsController

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl<'a> From<&'a Subsystem> for &'a NetClsController

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fn from(sub: &'a Subsystem) -> &'a NetClsController

Converts to this type from the input type.

Auto Trait Implementations

impl RefUnwindSafe for NetClsController

impl Send for NetClsController

impl Sync for NetClsController

impl Unpin for NetClsController

impl UnwindSafe for NetClsController

Blanket Implementations

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impl<T> Any for Twhere
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for Twhere
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for Twhere
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> Controller for Twhere
T: ControllerInternal,

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fn apply(&self, res: &Resources) -> Result<(), Error>

Apply a set of resources to the Controller, invoking its internal functions to pass the kernel the information.

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fn create(&self)

Create this controller

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fn exists(&self) -> bool

Does this controller already exist?

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fn delete(&self)

Delete the controller.

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fn add_task(&self, pid: &CgroupPid) -> Result<(), Error>

Attach a task to this controller.

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fn tasks(&self) -> Vec<CgroupPid, Global>

Get the list of tasks that this controller has.

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fn control_type(&self) -> Controllers

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fn path(&self) -> &Path

The file system path to the controller.

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for Twhere
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for Twhere
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T, U> TryFrom for Twhere
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for Twhere
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct cgroups::net_cls::NetClsController

Implementations

impl NetClsController

pub fn new(oroot: PathBuf) -> Self

pub fn set_class(&self, class: u64) -> Result<()>

pub fn get_class(&self) -> Result<u64>

Trait Implementations

impl Clone for NetClsController

fn clone(&self) -> NetClsController

fn clone_from(&mut self, source: &Self)

impl Debug for NetClsController

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl<'a> From<&'a Subsystem> for &'a NetClsController

fn from(sub: &'a Subsystem) -> &'a NetClsController

Auto Trait Implementations

impl RefUnwindSafe for NetClsController

impl Send for NetClsController

impl Sync for NetClsController

impl Unpin for NetClsController

impl UnwindSafe for NetClsController

Blanket Implementations

impl<T> Any for Twhere T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> Controller for Twhere T: ControllerInternal,

fn apply(&self, res: &Resources) -> Result<(), Error>

fn create(&self)

fn exists(&self) -> bool

fn delete(&self)

fn add_task(&self, pid: &CgroupPid) -> Result<(), Error>

fn tasks(&self) -> Vec<CgroupPid, Global>

fn control_type(&self) -> Controllers

fn path(&self) -> &Path

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<T> ToOwned for Twhere T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<T> Any for Twhere
T: 'static + ?Sized,

impl<T> Borrow<T> for Twhere
T: ?Sized,

impl<T> BorrowMut<T> for Twhere
T: ?Sized,

impl<T> Controller for Twhere
T: ControllerInternal,

impl<T, U> Into<U> for Twhere
U: From<T>,

impl<T> ToOwned for Twhere
T: Clone,

impl<T, U> TryFrom<U> for Twhere
U: Into<T>,

impl<T, U> TryInto<U> for Twhere
U: TryFrom<T>,