sharp-chat/SharpChat/Packet/MessageBroadcastPacket.cs

using System;

namespace SharpChat.Packet {
    public class MessageBroadcastPacket : ServerPacket {
        private readonly long Timestamp;
        private readonly string Body;

        public MessageBroadcastPacket(string body) {
            Timestamp = DateTimeOffset.Now.ToUnixTimeSeconds();
            Body = body;
        }

        public override string Pack() {
            return string.Format(
                "2\t{0}\t-1\t0\fsay\f{1}\t{2}\t10010",
                Timestamp,
                SockChatUtility.SanitiseMessageBody(Body),
                SequenceId
            );
        }
    }
}