22 lines
822 B
C#
22 lines
822 B
C#
namespace SVSim.BattleNode.Wire;
|
|
|
|
/// <summary>
|
|
/// Engine.IO v3 packet in WebSocket transport mode. Wire form: <c><digit><payload></c>.
|
|
/// </summary>
|
|
public sealed record EngineIoFrame(EngineIoPacketType Type, string Payload)
|
|
{
|
|
public static EngineIoFrame Parse(string raw)
|
|
{
|
|
if (string.IsNullOrEmpty(raw))
|
|
throw new ArgumentException("Empty EIO frame", nameof(raw));
|
|
var typeChar = raw[0];
|
|
if (typeChar < '0' || typeChar > '6')
|
|
throw new ArgumentException($"Invalid EIO type char '{typeChar}'", nameof(raw));
|
|
var type = (EngineIoPacketType)(typeChar - '0');
|
|
var payload = raw.Length > 1 ? raw.Substring(1) : string.Empty;
|
|
return new EngineIoFrame(type, payload);
|
|
}
|
|
|
|
public string Encode() => $"{(int)Type}{Payload}";
|
|
}
|