/*
*
* /// <summary>
* /// Send socket 只发送包头
* /// 只有 SendHeader() 会只发送包头
* /// SendBytes() 至少会发一个空包
* /// </summary>
* /// <param name="socket"></param>
* /// <param name="header"></param>
* private static void SendHeader(Socket socket, HB32Header header)
* {
* SendHeader(socket, header, new byte[0]);
* }
*
*
* /// <summary>
* /// Send socket 只发送包头
* /// </summary>
* /// <param name="socket"></param>
* /// <param name="flag"></param>
* /// <param name="i1"></param>
* /// <param name="i2"></param>
* /// <param name="i3"></param>
* public static void SendHeader(Socket socket, SocketPacketFlag flag, int i1 = 0, int i2 = 0, int i3 = 0)
* {
* SendHeader(socket, new HB32Header
* {
* Flag = flag,
* I1 = i1,
* I2 = i2,
* I3 = i3
* });
* }
*/
/// <summary>
/// 发送 Socket 数据包, 过长的 byte流 会被拆成多个包发送
/// 包头的 PacketCount , ByteLength 等参数会视 bytes 长度被修改
/// 拆成多包发送时, 只有第一个包头会带 ProxyHeader 供 SocketProxy 或 SocketServer 解析
/// 后面的包均为 HB32Header + HB32Data
/// </summary>
/// <param name="socket"></param>
/// <param name="header"></param>
/// <param name="bytes"></param>
/// <param name="addition_bytes"></param>
public static void SendBytes(Socket socket, HB32Header header, byte[] bytes, byte[] addition_bytes)
{
header.PacketCount = Math.Max((bytes.Length - 1) / (HB32Encoding.DataSize) + 1, 1);
header.TotalByteLength = bytes.Length;
header.PacketIndex = 0;
for (int offset = 0; offset < bytes.Length || offset == 0; offset += HB32Encoding.DataSize)
{
header.ValidByteLength = Math.Min(bytes.Length - offset, HB32Encoding.DataSize);
byte[] header_bytes;
if (offset == 0)
{
header_bytes = header.GetBytes(addition_bytes);
}
else
{
header_bytes = header.GetBytes();
}
byte[] _toSend = new byte[header_bytes.Length + HB32Encoding.DataSize];
Array.Copy(header_bytes, 0, _toSend, 0, header_bytes.Length);
Array.Copy(bytes, offset, _toSend, header_bytes.Length, header.ValidByteLength);
socket.Send(_toSend);
/// 若当前数据包之后还有数据包, 在等待对方 发送2个byte 后发送
if (offset + HB32Encoding.DataSize < bytes.Length)
{
ReceiveBuffer(socket, new byte[2]);
//ReceiveHeader(socket, out _);
}
header.PacketIndex++;
}
}
private byte[] GetHeaderBytesWithProxy(HB32Header header)
{
if (IsWithProxy)
{
byte[] bytes = new byte[34];
bytes[0] = 0xA3;
bytes[1] = (byte)NextProxyHeader;
Array.Copy(header.GetBytes(), 0, bytes, 2, 32);
return(bytes);
}
else
{
return(header.GetBytes());
}
}
/// <summary>
/// 调用此方法可以在发送包头前添加 addition_bytes (发送代理包头)
/// </summary>
/// <param name="socket"></param>
/// <param name="header"></param>
/// <param name="addition_bytes"></param>
public static void SendHeader(Socket socket, HB32Header header, byte[] addition_bytes)
{
header.PacketCount = 0;
header.TotalByteLength = 0;
header.PacketIndex = 0;
header.ValidByteLength = 0;
byte[] bytes = header.GetBytes(addition_bytes);
socket.Send(bytes);
/*
* if (addition_bytes.Length == 0)
* {
* socket.Send(header.GetBytes());
* }
* else
* {
* socket.Send(BytesConverter.Concatenate(addition_bytes, header.GetBytes()));
* }
*/
}
public static byte[] GetBytes(HB32Header header)
{
return(header.GetBytes());
}