gossamer - v6.2.0

gossamer/web_socket

Types

WebSocket

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Provides the API for creating and managing a WebSocket connection to a server, as well as for sending and receiving data on the connection.

pub type WebSocket

Values

binary_type

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pub fn binary_type(
  of socket: WebSocket,
) -> binary_type.BinaryType

buffered_amount

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pub fn buffered_amount(of socket: WebSocket) -> Int

Returns the number of bytes of application data (UTF-8 text and binary data) that have been queued using send but not yet been transmitted to the network.

If the WebSocket connection is closed, this attribute’s value will only increase with each call to the send method. (The number does not reset to zero once the connection closes.)

close

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pub fn close(socket: WebSocket) -> Nil

close_with

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pub fn close_with(
  socket: WebSocket,
  code code: Int,
  reason reason: String,
) -> Nil

extensions

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pub fn extensions(of socket: WebSocket) -> String

new

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pub fn new(url: String) -> Result(WebSocket, String)

Creates a new WebSocket connection to the given URL.

Examples

let assert Ok(ws) = web_socket.new("ws://localhost:8080")

new_with_protocols

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pub fn new_with_protocols(
  url: String,
  with protocols: List(String),
) -> Result(WebSocket, String)

Creates a new WebSocket connection to the given URL with the specified sub-protocols.

Examples

let assert Ok(ws) = web_socket.new_with_protocols("ws://localhost:8080", ["json"])

on_close

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pub fn on_close(
  socket: WebSocket,
  run handler: fn(close_event.CloseEvent) -> a,
) -> Nil

on_error

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pub fn on_error(socket: WebSocket, run handler: fn() -> a) -> Nil

on_message

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pub fn on_message(
  socket: WebSocket,
  run handler: fn(message_event.MessageEvent) -> a,
) -> Nil

on_open

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pub fn on_open(socket: WebSocket, run handler: fn() -> a) -> Nil

protocol

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pub fn protocol(of socket: WebSocket) -> String

ready_state

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pub fn ready_state(
  of socket: WebSocket,
) -> ready_state.ReadyState

send

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pub fn send(to socket: WebSocket, data data: String) -> Nil

send_dynamic

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pub fn send_dynamic(to socket: WebSocket, data data: a) -> Nil

set_binary_type

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pub fn set_binary_type(
  of socket: WebSocket,
  to value: binary_type.BinaryType,
) -> Nil

url

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pub fn url(of socket: WebSocket) -> String
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