public RtmpConnect(Socket client_socket, Stream stream, RtmpServer server, ushort clientID, SerializationContext context, ObjectEncoding objectEncoding = ObjectEncoding.Amf0, bool asyncMode = false)
{
ClientID = clientID;
this._clientSocket = client_socket;
this._server = server;
this._objectEncoding = objectEncoding;
Writer = new RtmpPacketWriter(new AmfWriter(stream, context, ObjectEncoding.Amf0, asyncMode), ObjectEncoding.Amf0);
Reader = new RtmpPacketReader(new AmfReader(stream, context, asyncMode));
Reader.EventReceived += EventReceivedCallback;
Reader.Disconnected += OnPacketProcessorDisconnected;
Writer.Disconnected += OnPacketProcessorDisconnected;
_callbackManager = new TaskCallbackManager <int, object>();
}
/// <summary>
/// rtmp握手逻辑
/// HandshakeAsync2
/// c01->s01->s2->c2
/// </summary>
/// <param name="server"></param>
/// <param name="client_socket"></param>
/// <param name="client_id"></param>
/// <param name="cert"></param>
/// <returns></returns>
public static async Task <int> HandshakeAsync(RtmpServer server, Socket client_socket, ushort client_id, X509Certificate2 cert = null)
{
Stream stream;
if (cert != null)
{
var temp_stream = new SslStream(new NetworkStream(client_socket));
try
{
await temp_stream.AuthenticateAsServerAsync(cert);
}
catch (AuthenticationException)
{
temp_stream.Close();
throw;
}
stream = temp_stream;
}
else
{
stream = new NetworkStream(client_socket);
}
var random = new Random(Environment.TickCount);
var randomBytes = new byte[1528];
random.NextBytes(randomBytes);
client_socket.NoDelay = true;
CancellationTokenSource cts = new CancellationTokenSource();
//over time cancel task
Timer timer = new Timer((s) =>
{
cts.Cancel();
throw new TimeoutException("rtmp 握手已超时！");
}, null, ReceiveTimeout, Timeout.Infinite);
//read c0 c1
var c01 = await RtmpHandshake.ReadAsync(stream, true, cts.Token);
timer.Change(Timeout.Infinite, Timeout.Infinite);
//write s0 s1
var s01 = new RtmpHandshake()
{
Version = 3,
Time = (uint)Environment.TickCount,
Time2 = 0,
Random = randomBytes
};
timer.Change(ReceiveTimeout, Timeout.Infinite);
await RtmpHandshake.WriteAsync(stream, s01, true, cts.Token);
//write s2
random.NextBytes(randomBytes);
await C2S2Async(stream, randomBytes, cts, timer);
timer.Change(Timeout.Infinite, Timeout.Infinite);
// handshake check
//if (!c0.Random.SequenceEqual(s2.Random))
//throw new ProtocolViolationException();
var connect = new RtmpConnect(client_socket, stream, server, client_id, server.Context, server.AmfEncoding, true);
connect.ChannelDataReceived += server.SendDataHandler;
server.ClientSessions.Add(client_id, new ClientSession()
{
Connect = connect,
LastPing = DateTime.UtcNow,
ReaderTask = null,
WriterTask = null
});
return(client_id);
}
