///// <summary>
///// 升级协议的回复处理
///// </summary>
int UpgradeResponse(byte[] buffer, int bufferAvailable)
{
//获取服务器发来的升级确认
ByteArray ba = new ByteArray(buffer, bufferAvailable);
string clientRequest = ba.ReadStringBytes(Encoding.ASCII, ba.ReadEnableSize);
string[] datas = clientRequest.Split(new String[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
try
{
for (int i = 0; i < datas.Length; i++)
{
if (datas[i].Contains("Sec-WebSocket-Accept"))
{
IsUpgrade = true;
onUpgradeResult?.Invoke(this, true);
Log.I("WS协议升级成功！");
break;
}
}
}
catch (Exception e)
{
Log.E(e.Message);
}
if (false == IsUpgrade)
{
Log.E("WebSocket协议升级失败");
onUpgradeResult?.Invoke(this, false);
Close();
}
return(bufferAvailable);
}
/// <summary>
/// 升级协议为WebSocket协议
/// </summary>
int Upgrade(byte[] buffer, int bufferAvailable)
{
//获取客户端发来的升级协议KEY
ByteArray ba = new ByteArray(buffer, bufferAvailable);
string clientRequest = ba.ReadStringBytes(Encoding.ASCII, ba.ReadEnableSize);
string[] datas = clientRequest.Split(new String[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
string value = null;
try
{
for (int i = 0; i < datas.Length; i++)
{
if (datas[i].Contains("Sec-WebSocket-Key"))
{
string[] keyValue = datas[i].Split(':');
value = keyValue[1].Trim();
break;
}
}
}
catch (Exception e)
{
Log.E(e.Message);
value = null;
}
if (null == value)
{
Log.E("WebSocket协议升级失败");
onUpgradeResult?.Invoke(this, false);
Close();
return(0);
}
byte[] responseBytes = _protocolProcess.CreateUpgradeResponse(value);
//回执升级协议
SendBytes(responseBytes);
IsUpgrade = true;
onUpgradeResult?.Invoke(this, true);
return(bufferAvailable);
}