Hello class final

First frame after the WebSocket upgrade. The Hub sends hello with a single-use nonce; the peer replies with its role and capabilities.

Inheritance

Constructors

Hello({required String role, required int protocolVersion, required int minVersion, String? nonce, Map<String, dynamic> info = const {}}): Creates a hello.
const

channelId → int?: The channel this message pertains to, or null for connection-level messages (the envelope c field).
no setterinherited
hashCode → int: The hash code for this object.
no setterinherited
info → Map<String, dynamic>: Free-form sender info (agent name/version), advisory only.
final
minVersion → int: The lowest protocol version the sender accepts.
final
nonce → String?: The per-connection challenge nonce (base64), set by the Hub; signed by public-key credentials. null on the peer's own hello.
final
protocolVersion → int: The sender's protocol version.
final
role → String: hub, node or client.
final
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
type → String: The stable type discriminator (the envelope t field).
no setteroverride

noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
toJson() → Map<String, dynamic>: The message payload (the envelope d field), without the type or channel.
override
toString() → String: A string representation of this object.
inherited