/// <summary>
/// Encodes the UInt32.
/// http://tools.ietf.org/html/rfc4506#section-4.2
/// </summary>
public static void EncodeUInt32(uint v, IByteWriter w)
{
w.Write((byte)((v >> 0x18) & 0xff));
w.Write((byte)((v >> 0x10) & 0xff));
w.Write((byte)((v >> 8) & 0xff));
w.Write((byte)(v & 0xff));
}
/// <summary>
/// Encodes the UInt32.
/// http://tools.ietf.org/html/rfc4506#section-4.2
/// </summary>
public static void EncodeUInt32(uint v, IByteWriter w)
{
w.Write((byte)((v >> 0x18) & 0xff));
w.Write((byte)((v >> 0x10) & 0xff));
w.Write((byte)((v >> 8) & 0xff));
w.Write((byte)(v & 0xff));
}
/// <summary>
/// Encodes the Int64.
/// http://tools.ietf.org/html/rfc4506#section-4.5
/// </summary>
public static void EncodeInt64(long v, IByteWriter w)
{
w.Write((byte)((v >> 56) & 0xff));
w.Write((byte)((v >> 48) & 0xff));
w.Write((byte)((v >> 40) & 0xff));
w.Write((byte)((v >> 32) & 0xff));
w.Write((byte)((v >> 24) & 0xff));
w.Write((byte)((v >> 16) & 0xff));
w.Write((byte)((v >> 8) & 0xff));
w.Write((byte)(v & 0xff));
}
private static void NoCheckWriteFixOpaque(IByteWriter w, uint len, byte[] v)
{
try
{
w.Write(v);
uint tail = len % 4u;
if (tail != 0)
{
w.Write(_tails[4u - tail]);
}
}
catch (SystemException ex)
{
throw new FormatException("can't write byte array", ex);
}
}
/// <summary>
/// Encodes the Int64.
/// http://tools.ietf.org/html/rfc4506#section-4.5
/// </summary>
public static void EncodeInt64(long v, IByteWriter w)
{
w.Write((byte)((v >> 56) & 0xff));
w.Write((byte)((v >> 48) & 0xff));
w.Write((byte)((v >> 40) & 0xff));
w.Write((byte)((v >> 32) & 0xff));
w.Write((byte)((v >> 24) & 0xff));
w.Write((byte)((v >> 16) & 0xff));
w.Write((byte)((v >> 8) & 0xff));
w.Write((byte)(v & 0xff));
}
public bool Write(object obj, Type type)
{
if (!Base.Write(obj, type))
{
if (CustomWriters.TryGetValue(type, out var writer))
{
writer(obj, Stream);
return(true);
}
return(false);
}
return(true);
}
public static void WriteCollection <T>(this IByteWriter writer, ICollection <T> collection)
where T : struct
{
if (collection == null)
{
writer.WriteInt(); // 0 items
return;
}
writer.WriteInt(collection.Count);
foreach (T type in collection)
{
writer.Write <T>(type);
}
}
/// <summary>
/// Returns the specified 64-bit unsigned value as varint encoded array of bytes.
/// </summary>
/// <param name="value">64-bit unsigned value</param>
/// <returns>Varint array of bytes.</returns>
public static void WriteVarintBytes(IByteWriter writer, ulong value)
{
do
{
var byteVal = value & 0x7f;
value >>= 7;
if (value != 0)
{
byteVal |= 0x80;
}
writer.Write((byte)byteVal);
} while (value != 0);
}
/// <summary>
/// 发送消息包。
/// </summary>
/// <param name="buffer">发送的包实例。</param>
/// <returns>返回当前执行的结果。</returns>
protected async Task <bool> SendAsync(IByteWriter buffer)
{
if (!Socket.Connected)
{
return(false);
}
await using var ms = new MemoryStream();
await using var bw = new ByteWriter(ms);
buffer.Write(bw);
var bytes = ms.ToArray();
Actived = DateTimeOffset.Now;
await _semaphore.WaitAsync(TimeSpan.FromMinutes(1));
var count = await Socket.SendAsync(bytes, SocketFlags.None);
_semaphore.Release();
return(count > 0);
}
public bool WriteTo(IByteWriter writer)
{
return(writer.Write(_buffer, 0, _position, 0));
}
private static void NoCheckWriteFixOpaque(IByteWriter w, uint len, byte[] v)
{
try
{
w.Write(v);
uint tail = len % 4u;
if (tail != 0)
w.Write(_tails[4u - tail]);
}
catch (SystemException ex)
{
throw new FormatException("can't write byte array", ex);
}
}
public bool WriteTo(IByteWriter writer)
{
return writer.Write(_buffer, 0, _position, 0);
}
public bool Publish(string topic, byte[] data, int offset, int length, int msToWaitForWriteLock)
{
byte[] allData = CreateMessage(topic, data, offset, length, _encoder);
return(_writer.Write(allData, 0, allData.Length, msToWaitForWriteLock));
}