public static IEnumerable <OutgoingMessage> TrySplit(OutgoingMessage msg, int mtu)
{
if (msg.BodyLength <= mtu) //does not need split this message
{
return new OutgoingMessage[1] {
msg
}
}
;
if (msg.BodyLength > (byte.MaxValue + 1) * mtu)
{
throw new AgNetException("Message too long. Maximum message size is " + (byte.MaxValue * mtu).ToString());
}
List <OutgoingMessage> list = new List <OutgoingMessage>();
byte[] data = msg.GetBody();
int needMessages = (int)Math.Ceiling(msg.BodyLength / (double)mtu);
for (byte i = 0; i < needMessages; i++)
{
OutgoingMessage newMsg = new OutgoingMessage(PacketType.PartialMessage);
newMsg.Channel = i;
if (i == needMessages - 1)
{
newMsg.Channel = byte.MaxValue;
}
int offset = i * mtu;
newMsg.Write(data, offset, Math.Min(mtu, data.Length - offset));
list.Add(newMsg);
}
return(list);
}