private async Task ReceiveMessageLoop()
{
try
{
var stableBuffer = new byte[16];
var buffer = new byte[4096];
while (this.Connected)
{
await NetStream.ReadBAsync(stableBuffer, 0, 16);
var protocol = DanmakuProtocol.FromBuffer(stableBuffer);
if (protocol.PacketLength < 16)
{
throw new NotSupportedException("协议失败: (L:" + protocol.PacketLength + ")");
}
var payloadlength = protocol.PacketLength - 16;
if (payloadlength == 0)
{
continue;
}
buffer = new byte[payloadlength];
await NetStream.ReadBAsync(buffer, 0, payloadlength);
if (protocol.Version == 2 && protocol.Action == 5)
{
using (var ms = new MemoryStream(buffer, 2, payloadlength - 2))
using (var deflate = new DeflateStream(ms, CompressionMode.Decompress))
{
var headerbuffer = new byte[16];
try
{
while (true)
{
await deflate.ReadBAsync(headerbuffer, 0, 16);
var protocol_in = DanmakuProtocol.FromBuffer(headerbuffer);
payloadlength = protocol_in.PacketLength - 16;
var danmakubuffer = new byte[payloadlength];
await deflate.ReadBAsync(danmakubuffer, 0, payloadlength);
ProcessDanmaku(protocol.Action, danmakubuffer);
}
}
catch { }
}
}
else
{
ProcessDanmaku(protocol.Action, buffer);
}
}
}
catch (Exception ex)
{
LogManager.Instance.LogError("ReceiveMessageLoop", ex);
Disconnect();
}
}
private static unsafe void Parse2Protocol(byte[] buffer, out DanmakuProtocol protocol)
{
fixed(byte *ptr = buffer)
{
protocol = *(DanmakuProtocol *)ptr;
}
protocol.ChangeEndian();
}
/// <summary>
/// 消息拆包
/// </summary>
private void DepackDanmakuData(byte[] messages)
{
byte[] headerBuffer = new byte[16];
//for (int i = 0; i < 16; i++)
//{
// headerBuffer[i] = messages[i];
//}
Array.Copy(messages, 0, headerBuffer, 0, 16);
DanmakuProtocol protocol = new DanmakuProtocol(headerBuffer);
//Debug.LogError(protocol.Version + "\\" + protocol.Operation);
//
if (protocol.PacketLength < 16)
{
if (TroomId == 21446992)
{
;
}
InfoLog.InfoPrintf($@"协议失败: (L:{protocol.PacketLength})", InfoLog.InfoClass.Debug);
InfoLog.InfoPrintf($@"{TroomId}房间收到协议PacketLength长度小于16，作为观测包更新心跳时间处理", InfoLog.InfoClass.Debug);
ProcessDanmakuData(99, null, 0);
//throw new NotSupportedException($@"协议失败: (L:{protocol.PacketLength})");
return;
}
int bodyLength = protocol.PacketLength - 16;
if (bodyLength == 0)
{
//continue;
return;
}
byte[] buffer = new byte[bodyLength];
//for (int i = 0; i < bodyLength; i++)
//{
// buffer[i] = messages[i + 16];
//}
Array.Copy(messages, 16, buffer, 0, bodyLength);
switch (protocol.Version)
{
case 1:
ProcessDanmakuData(protocol.Operation, buffer, bodyLength);
break;
case 2:
{
var ms = new MemoryStream(buffer, 2, bodyLength - 2);
var deflate = new DeflateStream(ms, CompressionMode.Decompress);
while (deflate.Read(headerBuffer, 0, 16) > 0)
{
protocol = new DanmakuProtocol(headerBuffer);
bodyLength = protocol.PacketLength - 16;
if (bodyLength == 0)
{
continue; // 没有内容了
}
if (buffer.Length < bodyLength) // 不够长再申请
{
buffer = new byte[bodyLength];
}
deflate.Read(buffer, 0, bodyLength);
ProcessDanmakuData(protocol.Operation, buffer, bodyLength);
}
ms.Dispose();
deflate.Dispose();
break;
}
case 3:
;
break;
case 5:
;
break;
case 7:
;
break;
case 8:
;
break;
default:
;
break;
}
}
/// <summary>
/// 消息拆包
/// </summary>
private void DepackDanmakuData(byte[] messages)
{
byte[] headerBuffer = new byte[16];
//for (int i = 0; i < 16; i++)
//{
// headerBuffer[i] = messages[i];
//}
Array.Copy(messages, 0, headerBuffer, 0, 16);
DanmakuProtocol protocol = new DanmakuProtocol(headerBuffer);
//Debug.LogError(protocol.Version + "\\" + protocol.Operation);
//
if (protocol.PacketLength < 16)
{
InfoLog.InfoPrintf($@"协议失败: (L:{protocol.PacketLength})", InfoLog.InfoClass.杂项提示);
throw new NotSupportedException($@"协议失败: (L:{protocol.PacketLength})");
}
int bodyLength = protocol.PacketLength - 16;
if (bodyLength == 0)
{
//continue;
return;
}
byte[] buffer = new byte[bodyLength];
//for (int i = 0; i < bodyLength; i++)
//{
// buffer[i] = messages[i + 16];
//}
Array.Copy(messages, 16, buffer, 0, bodyLength);
switch (protocol.Version)
{
case 1: //弹幕数据
ProcessDanmakuData(protocol.Operation, buffer, bodyLength);
break;
case 2: //心跳数据
{
var ms = new MemoryStream(buffer, 2, bodyLength - 2);
var deflate = new DeflateStream(ms, CompressionMode.Decompress);
while (deflate.Read(headerBuffer, 0, 16) > 0)
{
protocol = new DanmakuProtocol(headerBuffer);
bodyLength = protocol.PacketLength - 16;
if (bodyLength == 0)
{
continue; // 没有内容了
}
if (buffer.Length < bodyLength) // 不够长再申请
{
buffer = new byte[bodyLength];
}
deflate.Read(buffer, 0, bodyLength);
ProcessDanmakuData(protocol.Operation, buffer, bodyLength);
}
ms.Dispose();
deflate.Dispose();
break;
}
case 3: //人气值
;
break;
case 5: //命令
;
break;
case 7: //认证信息
;
break;
case 8: //服务器心跳包
;
break;
default:
;
break;
}
}
private void ReceiveMessageLoop()
{
Debug.Log("ReceiveMessageLoop Started!");
try
{
var stableBuffer = new byte[16];
var buffer = new byte[4096];
while (this.Connected)
{
NetStream.ReadB(stableBuffer, 0, 16);
DanmakuProtocol protocol = Parse2Protocol(stableBuffer);
if (protocol.PacketLength < 16)
{
throw new NotSupportedException("协议失败: (L:" + protocol.PacketLength + ")");
}
var payloadlength = protocol.PacketLength - 16;
if (payloadlength == 0)
{
continue; //没有内容了
}
if (buffer.Length < payloadlength) // 不够长再申请
{
buffer = new byte[payloadlength];
}
NetStream.ReadB(buffer, 0, payloadlength);
if (protocol.Version == 2 && protocol.Action == 5) // 处理deflate消息
{
// Skip 0x78 0xDA
using (DeflateStream deflate = new DeflateStream(new MemoryStream(buffer, 2, payloadlength - 2), CompressionMode.Decompress))
{
while (deflate.Read(stableBuffer, 0, 16) > 0)
{
protocol = Parse2Protocol(stableBuffer);
payloadlength = protocol.PacketLength - 16;
if (payloadlength == 0)
{
continue; // 没有内容了
}
if (buffer.Length < payloadlength) // 不够长再申请
{
buffer = new byte[payloadlength];
}
deflate.Read(buffer, 0, payloadlength);
ProcessDanmaku(protocol.Action, buffer, payloadlength);
}
}
}
else
{
ProcessDanmaku(protocol.Action, buffer, payloadlength);
}
}
}
catch (Exception ex)
{
this.Error = ex;
_disconnect();
}
}
