VersionInformation class

RFC 9368 version_information transport parameter.

Wire format (from RFC 9368 Section 3):

version_information {
  chosen_version (32 bits),
  available_versions (32 bits each),
  other_versions (32 bits each)
}

Constructors

VersionInformation({required int chosenVersion, required List<int> availableVersions, List<int> otherVersions = const []})

Creates version information for the transport parameter.

Properties

availableVersions → List<int>

Versions the endpoint is willing and able to negotiate.

final

chosenVersion → int

The QUIC version selected for this connection.

final

hashCode → int

The hash code for this object.

no setter, inherited

otherVersions → List<int>

Additional versions included for greasing or future negotiation.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

isVersionCompatible(int version) → bool

Check if a version is compatible with the peer's available versions.

isZeroRttCompatible(VersionInformation serverInfo) → bool

Check if 0-RTT is compatible (client's chosen version must be in server's available versions).

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

serialize() → Uint8List

Serialize to bytes. Format: chosen_version (4 bytes) + available_versions (4 bytes each) + other_versions (4 bytes each)

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

parse(Uint8List bytes) → VersionInformation

Parse from bytes.