Struct PersistentState 

pub struct PersistentState {
    pub current_term: Term,
    pub voted_for: Option<NodeId>,
}

Persistent state on all servers (must be persisted before responding to RPCs)

Fields

current_term: Term

Latest term server has seen (initialized to 0, increases monotonically)

voted_for: Option<NodeId>

Candidate ID that received vote in current term (None if none)

Implementations

impl PersistentState

pub fn new() -> Self

Create a new persistent state

pub fn update_term(&mut self, new_term: Term)

Update the current term (clears voted_for if term increases)

pub fn grant_vote(&mut self, candidate_id: NodeId)

Grant a vote to a candidate

Trait Implementations

impl Clone for PersistentState

fn clone(&self) -> PersistentState

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PersistentState

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

Formats the value using the given formatter.

impl Default for PersistentState

fn default() -> Self

Returns the “default value” for a type.