Struct NetPrioController

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pub struct NetPrioController { /* private fields */ }
Expand description

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

In essence, using net_prio one can set the priority of the packets emitted from the control group’s tasks. This can then be used to have QoS restrictions on certain control groups and thus, prioritizing certain tasks.

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impl NetPrioController

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pub fn new(root: PathBuf) -> Self

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

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pub fn prio_idx(&self) -> u64

Retrieves the current priority of the emitted packets.

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pub fn ifpriomap(&self) -> Result<HashMap<String, u64>>

A map of priorities for each network interface.

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pub fn set_if_prio(&self, eif: &str, prio: u64) -> Result<()>

Set the priority of the network traffic on eif to be prio.

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impl Clone for NetPrioController

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fn clone(&self) -> NetPrioController

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 NetPrioController

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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 NetPrioController

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

Converts to this type from the input type.

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Blanket Implementations§

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impl<T> Any for T
where 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 T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> Controller for T
where 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 set_notify_on_release(&self, enable: bool) -> Result<(), Error>

Set notify_on_release

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fn set_release_agent(&self, path: &str) -> Result<(), Error>

Set release_agent

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fn exists(&self) -> bool

Does this controller already exist?

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fn delete(&self) -> Result<(), Error>

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

Attach a task to this controller by thread group id.

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fn procs(&self) -> Vec<CgroupPid>

Get the list of procs that this controller has.

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

Get the list of tasks that this controller has.

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fn set_cgroup_type(&self, cgroup_type: &str) -> Result<(), Error>

set cgroup.type

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fn get_cgroup_type(&self) -> Result<String, Error>

get cgroup.type

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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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fn v2(&self) -> bool

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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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 T
where T: Clone,

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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<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.