Open

@Serializable

data class Open(val sid: String, val upgrades: List<String>, val pingInterval: Int, val pingTimeout: Int, val maxPayload: Int? = null) : EngineIOPacket<Nothing> (source)

Used during the handshake.

Constructors

constructor(sid: String, upgrades: List<String>, pingInterval: Int, pingTimeout: Int, maxPayload: Int? = null)

val maxPayload: Int? = null

Optional, only useful when using long-polling as transport to know how many packets to batch together.

The ping interval, used in the heartbeat mechanism (in milliseconds).

The ping timeout, used in the heartbeat mechanism (in milliseconds).

The session ID.

The list of available transport upgrades.