| private static PackU16 ( byte buffer, int position, ushort value ) : void | ||
| buffer | byte | |
| position | int | |
| value | ushort | |
| return | void | |
/// <summary>
/// Packs a payload to the given buffer.
/// </summary>
internal static int PackPayload(
byte[] buffer,
ushort sequence,
byte[] data,
ushort dataLength)
{
buffer[0] = (byte)NetPacketType.Payload;
NetEncoding.PackU16(buffer, 1, sequence);
int position = NetEncoding.PAYLOAD_HEADER_SIZE;
Array.Copy(data, 0, buffer, position, dataLength);
return(position + dataLength);
}
/// <summary>
/// Packs a notification prepended with that notification's length.
/// </summary>
private static int PackNotification(
byte[] buffer,
int position,
byte[] data,
ushort dataLength)
{
// For notifications we add the length since there may be multiple
NetEncoding.PackU16(buffer, position, dataLength);
position += NetEncoding.NOTIFICATION_HEADER_SIZE;
Array.Copy(data, 0, buffer, position, dataLength);
return(NetEncoding.NOTIFICATION_HEADER_SIZE + dataLength);
}
/// <summary>
/// Packs a series of notifications into the buffer.
/// </summary>
internal static int PackCarrier(
byte[] buffer,
ushort notificationAck,
ushort notificationSeq,
IEnumerable <NetEvent> notifications)
{
int notificationHeaderSize = NetEncoding.NOTIFICATION_HEADER_SIZE;
// Pack header
buffer[0] = (byte)NetPacketType.Carrier;
NetEncoding.PackU16(buffer, 1, notificationAck);
NetEncoding.PackU16(buffer, 3, notificationSeq);
int position = NetEncoding.CARRIER_HEADER_SIZE;
// Pack notifications
int dataPacked = 0;
int maxDataPack = NetEncoding.MAX_NOTIFICATION_PACK;
foreach (NetEvent notification in notifications)
{
// See if we can fit the notification
int packedSize = notificationHeaderSize + notification.EncodedLength;
if ((dataPacked + packedSize) > maxDataPack)
{
break;
}
// Pack the notification data
int packSize =
NetEncoding.PackNotification(
buffer,
position,
notification.EncodedData,
notification.EncodedLength);
// Increment counters
dataPacked += packSize;
position += packSize;
}
return(position);
}
