Struct ServerGroup 

pub struct ServerGroup {
    pub primary: String,
    pub backups: Vec<String>,
    pub failover_threshold: usize,
}

Server group configuration for failover support

Fields

primary: String

Primary server ID

backups: Vec<String>

Backup server IDs in priority order

failover_threshold: usize

Minimum health check failures before failover

Implementations

impl ServerGroup

pub fn new(primary: impl Into<String>, backups: Vec<String>) -> Self

Create a new server group with primary and backups

pub fn with_failover_threshold(self, threshold: usize) -> Self

Set the failover threshold

pub fn all_servers(&self) -> Vec<&str>

Get all server IDs in priority order (primary first, then backups)

pub fn next_server(&self, current: &str) -> Option<&str>

Get the next available server after the current one

Trait Implementations

impl Clone for ServerGroup

fn clone(&self) -> ServerGroup

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ServerGroup

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

Formats the value using the given formatter.