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

Server builder.

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impl ServerBuilder

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pub fn new() -> ServerBuilder

Create new Server builder instance

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pub fn workers(self, num: usize) -> Self

Set number of workers to start.

num must be greater than 0.

The default worker count is the number of physical CPU cores available. If your benchmark testing indicates that simultaneous multi-threading is beneficial to your app, you can use the num_cpus crate to acquire the logical core count instead.

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pub fn worker_max_blocking_threads(self, num: usize) -> Self

Set max number of threads for each worker’s blocking task thread pool.

One thread pool is set up per worker; not shared across workers.

Examples:
let builder = ServerBuilder::new()
    .workers(4) // server has 4 worker thread.
    .worker_max_blocking_threads(4); // every worker has 4 max blocking threads.

See tokio::runtime::Builder::max_blocking_threads for behavior reference.

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pub fn backlog(self, num: u32) -> Self

Set the maximum number of pending connections.

This refers to the number of clients that can be waiting to be served. Exceeding this number results in the client getting an error when attempting to connect. It should only affect servers under significant load.

Generally set in the 64-2048 range. Default value is 2048.

This method should be called before bind() method call.

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pub fn max_concurrent_connections(self, num: usize) -> Self

Sets the maximum per-worker number of concurrent connections.

All socket listeners will stop accepting connections when this limit is reached for each worker.

By default max connections is set to a 25k per worker.

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pub fn system_exit(self) -> Self

Stop Actix System after server shutdown.

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pub fn disable_signals(self) -> Self

Disable OS signal handling.

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pub fn shutdown_timeout(self, sec: u64) -> Self

Timeout for graceful workers shutdown in seconds.

After receiving a stop signal, workers have this much time to finish serving requests. Workers still alive after the timeout are force dropped.

By default shutdown timeout sets to 30 seconds.

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pub fn bind<F, U, N>(self, name: N, addr: U, factory: F) -> Result<Self>where F: ServerServiceFactory<TcpStream>, U: ToSocketAddrs, N: AsRef<str>,

Add new service to the server.

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pub fn listen<F, N: AsRef<str>>( self, name: N, lst: StdTcpListener, factory: F ) -> Result<Self>where F: ServerServiceFactory<TcpStream>,

Add new service to the server.

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pub fn run(self) -> Server

Starts processing incoming connections and return server controller.

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impl ServerBuilder

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pub fn bind_uds<F, U, N>(self, name: N, addr: U, factory: F) -> Result<Self>where F: ServerServiceFactory<UnixStream>, N: AsRef<str>, U: AsRef<Path>,

Add new unix domain service to the server.

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pub fn listen_uds<F, N: AsRef<str>>( self, name: N, lst: UnixListener, factory: F ) -> Result<Self>where F: ServerServiceFactory<UnixStream>,

Add new unix domain service to the server.

Useful when running as a systemd service and a socket FD is acquired externally.

Trait Implementations§

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impl Default for ServerBuilder

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fn default() -> Self

Returns the “default value” for a type. Read more

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