private async Task HandshakeOld(RTMPBinaryReader c1reader, CancellationToken cancel_token)
{
var s1vec = new byte[1528];
var rand = new Random();
rand.NextBytes(s1vec);
await SendAsync(writer => {
writer.Write(0);
writer.Write(0);
writer.Write(s1vec);
}, cancel_token).ConfigureAwait(false);
var c1time = c1reader.ReadInt32();
var c1ver = c1reader.ReadInt32();
var c1vec = c1reader.ReadBytes(1528);
await SendAsync(writer => {
writer.Write(c1time);
writer.Write(c1ver);
writer.Write(c1vec);
}, cancel_token).ConfigureAwait(false);
using (var reader = await RecvAsync(1536, cancel_token).ConfigureAwait(false)) {
var c2time = reader.ReadInt32();
var c2zero = reader.ReadInt32();
var c2vec = reader.ReadBytes(1528);
if (!s1vec.SequenceEqual(c2vec))
{
throw new InvalidDataException("C2 random vector is not matched.");
}
}
}
public AggregateMessage(RTMPMessage x)
: base(x)
{
var messages = new List <RTMPMessage>();
using (var reader = new RTMPBinaryReader(new MemoryStream(x.Body))) {
while (reader.BaseStream.Position < reader.BaseStream.Length)
{
var message_type = (RTMPMessageType)reader.ReadByte();
var length = reader.ReadUInt24();
var timestamp = reader.ReadUInt32();
var stream_id = reader.ReadUInt24();
var body = reader.ReadBytes(length);
var msg = new RTMPMessage(
message_type,
timestamp + x.Timestamp,
x.StreamId,
body);
var prevlen = reader.ReadUInt32();
if (prevlen == body.Length + 11)
{
messages.Add(msg);
}
}
}
}
public UserControlMessage(RTMPMessage x)
: base(x)
{
using (var reader = new RTMPBinaryReader(new MemoryStream(x.Body))) {
UserControlMessageType = (UserControlMessageType)reader.ReadUInt16();
UserControlMessagePayload = reader.ReadBytes(x.Body.Length - 2);
}
}
private bool Handshake()
{
Logger.Debug("Handshake start");
var rand = new Random();
var c0 = Recv(1);
Send(new byte[] { 0x03 });
var s1vec = new byte[1528];
rand.NextBytes(s1vec);
Send(s => {
using (var writer = new RTMPBinaryWriter(s)) {
writer.Write(0);
writer.Write(0);
writer.Write(s1vec);
}
});
using (var reader = new RTMPBinaryReader(new MemoryStream(Recv(1536)))) {
Send(s => {
using (var writer = new RTMPBinaryWriter(s)) {
writer.Write(reader.ReadInt32());
writer.Write(reader.ReadInt32());
writer.Write(reader.ReadBytes(1528));
}
});
}
using (var reader = new RTMPBinaryReader(new MemoryStream(Recv(1536)))) {
reader.ReadInt32();
reader.ReadInt32();
if (!s1vec.Equals(reader.ReadBytes(1528)))
{
Logger.Debug("Handshake failed");
return(false);
}
}
timer.Reset();
timer.Start();
Logger.Debug("Handshake succeeded");
return(true);
}
private async Task HandshakeNew(RTMPBinaryReader c1reader, CancellationToken cancel_token)
{
var s1 = new byte[1536];
var rand = new Random();
rand.NextBytes(s1);
//timestamp
s1[0] = s1[1] = s1[2] = s1[3] = 0;
//version
s1[4] = 3;
s1[5] = 5;
s1[6] = 1;
s1[7] = 1;
s1 = SetServerHandshakeDigest1(s1, DigestPosition.First);
await SendAsync(s1, cancel_token).ConfigureAwait(false);
var c1 = c1reader.ReadBytes(1536);
var c1pos = ValidateClientHandshakeDigest1(c1);
if (c1pos == DigestPosition.Unknown)
{
throw new InvalidDataException("C1 digest is not matched.");
}
var s2 = SetServerHandshakeDigest2(c1, c1pos);
await SendAsync(s2, cancel_token).ConfigureAwait(false);
using (var c2reader = await RecvAsync(1536, cancel_token).ConfigureAwait(false)) {
var c2 = c2reader.ReadBytes(1536);
if (!ValidateClientHandshakeDigest2(c2, s1, DigestPosition.First))
{
throw new InvalidDataException("C2 digest is not matched.");
}
}
}
public UserControlMessage(RTMPMessage x)
: base(x)
{
using (var reader=new RTMPBinaryReader(new MemoryStream(x.Body))) {
UserControlMessageType = (UserControlMessageType)reader.ReadUInt16();
UserControlMessagePayload = reader.ReadBytes(x.Body.Length-2);
}
}
public AggregateMessage(RTMPMessage x)
: base(x)
{
var messages = new List<RTMPMessage>();
using (var reader=new RTMPBinaryReader(new MemoryStream(x.Body))) {
while (reader.BaseStream.Position<reader.BaseStream.Length) {
var message_type = (RTMPMessageType)reader.ReadByte();
var length = reader.ReadUInt24();
var timestamp = reader.ReadUInt32();
var stream_id = reader.ReadUInt24();
var body = reader.ReadBytes(length);
var msg = new RTMPMessage(
message_type,
timestamp + x.Timestamp,
x.StreamId,
body);
var prevlen = reader.ReadUInt32();
if (prevlen==body.Length+11) {
messages.Add(msg);
}
}
}
}
private async Task HandshakeOld(RTMPBinaryReader c1reader, CancellationToken cancel_token)
{
var s1vec = new byte[1528];
var rand = new Random();
rand.NextBytes(s1vec);
await Send(writer => {
writer.Write(0);
writer.Write(0);
writer.Write(s1vec);
}, cancel_token);
var c1time = c1reader.ReadInt32();
var c1ver = c1reader.ReadInt32();
var c1vec = c1reader.ReadBytes(1528);
await Send(writer => {
writer.Write(c1time);
writer.Write(c1ver);
writer.Write(c1vec);
}, cancel_token);
await Recv(1536, reader => {
var c2time = reader.ReadInt32();
var c2zero = reader.ReadInt32();
var c2vec = reader.ReadBytes(1528);
if (!s1vec.SequenceEqual(c2vec)) {
throw new InvalidDataException("C2 random vector is not matched.");
}
}, cancel_token);
}
private async Task HandshakeNew(RTMPBinaryReader c1reader, CancellationToken cancel_token)
{
var s1 = new byte[1536];
var rand = new Random();
rand.NextBytes(s1);
//timestamp
s1[0] = s1[1] = s1[2] = s1[3] = 0;
//version
s1[4] = 3;
s1[5] = 5;
s1[6] = 1;
s1[7] = 1;
s1 = SetServerHandshakeDigest1(s1, DigestPosition.First);
await Send(s1, cancel_token);
var c1 = c1reader.ReadBytes(1536);
var c1pos = ValidateClientHandshakeDigest1(c1);
if (c1pos==DigestPosition.Unknown) {
throw new InvalidDataException("C1 digest is not matched.");
}
var s2 = SetServerHandshakeDigest2(c1, c1pos);
await Send(s2, cancel_token);
var c2reader = await Recv(1536, cancel_token);
var c2 = c2reader.ReadBytes(1536);
if (!ValidateClientHandshakeDigest2(c2, s1, DigestPosition.First)) {
throw new InvalidDataException("C2 digest is not matched.");
}
}
private bool Handshake()
{
Logger.Debug("Handshake start");
var rand = new Random();
var c0 = Recv(1);
Send(new byte[] { 0x03 });
var s1vec = new byte[1528];
rand.NextBytes(s1vec);
Send(s => {
using (var writer=new RTMPBinaryWriter(s)) {
writer.Write(0);
writer.Write(0);
writer.Write(s1vec);
}
});
using (var reader=new RTMPBinaryReader(new MemoryStream(Recv(1536)))) {
Send(s => {
using (var writer=new RTMPBinaryWriter(s)) {
writer.Write(reader.ReadInt32());
writer.Write(reader.ReadInt32());
writer.Write(reader.ReadBytes(1528));
}
});
}
using (var reader=new RTMPBinaryReader(new MemoryStream(Recv(1536)))) {
reader.ReadInt32();
reader.ReadInt32();
if (!s1vec.Equals(reader.ReadBytes(1528))) {
Logger.Debug("Handshake failed");
return false;
}
}
timer.Reset();
timer.Start();
Logger.Debug("Handshake succeeded");
return true;
}
