public async Task WaitHandShake()
{
if (WebSocket.State == WebSocketState.Open)
{
// Wait for handshake
var handshakeData = JObject.Parse(await Receive());
if (handshakeData["receiverId"] == null ||
handshakeData["receiverId"].ToString() != "TMCS" ||
handshakeData["type"] == null ||
handshakeData["type"].ToString() != "Signal" ||
handshakeData["data"]["signal"] == null ||
handshakeData["data"]["signal"].ToString() != "HandShake"
)
{
await SendTextAsync(await TMCSTest.JSONStringifyAsync(new
{
type = "Signal",
senderId = "TMCS",
receiverId = "[user]",
data = new
{
signal = "Error",
data = -100
}
}));
return;
}
await HandShake(handshakeData["data"]["data"]);
// Wait for start signal
var readyData = JObject.Parse(await Receive());
if (readyData["receiverId"] == null ||
readyData["receiverId"].ToString() != "TMCS" ||
readyData["type"] == null ||
readyData["type"].ToString() != "Signal" ||
readyData["data"]["signal"] == null ||
readyData["data"]["signal"].ToString() != "Ready"
)
{
await SendTextAsync(await TMCSTest.JSONStringifyAsync(new
{
type = "Signal",
senderId = "TMCS",
receiverId = "[user]",
data = new
{
signal = "Error",
data = -100
}
}));
return;
}
}
}
public async Task StartReceiev()
{
if (WebSocket != null)
{
if (this.Uid == null || this.Uid == "")
{
await WaitHandShake();
}
var msgToSend = new TMCSTest.Message[] {
new TMCSTest.Message("SardineFish", Uid, TMCSTest.MessageType.Text, "Welcom to TMCS!"),
new TMCSTest.Message("SardineFish", Uid, TMCSTest.MessageType.Text, "TMCS is now developing."),
new TMCSTest.Message("SardineFish", Uid, TMCSTest.MessageType.Text, "It is just a demo now.")
};
await SendTextAsync(await TMCSTest.JSONStringifyAsync(msgToSend));
while (WebSocket.State == WebSocketState.Open)
{
try
{
var textData = await Receive();
JObject rcvObj = JObject.Parse(textData);
var receiver = rcvObj["receiverId"].ToString();
if (receiver == "TMCS")
{
var data = rcvObj["data"].ToString();
//var data = TMCSTest.RSADecrypt(Convert.FromBase64String(dataEnc), TMCSTest.PRIVATE_KEY);
//var dataText = Encoding.UTF8.GetString(data);
if (rcvObj["type"].ToString() == "Signal")
{
await HandleSignal(JObject.Parse(data));
}
}
else
{
await HandleMessage(rcvObj);
}
}
catch (Exception ex)
{
Console.WriteLine(ex);
if (Uid != null && Uid != "")
{
TMCSTest.HandlerList.Remove(Uid);
}
return;
}
}
}
}
public async Task HandleMessage(JObject msgData)
{
var receiver = msgData["receiverId"].ToString();
if (TMCSTest.HandlerList.ContainsKey(receiver))
{
var send = new object[] {
new {
type = msgData["type"].ToString(),
senderId = Uid,
data = msgData["data"].ToString()
}
};
var msgToSendJson = await TMCSTest.JSONStringifyAsync(send);
await TMCSTest.HandlerList[receiver].SendTextAsync(msgToSendJson);
}
else
{
var sender = "";
if (TMCSTest.rand.NextDouble() < 0.5)
{
sender = receiver;
}
else
{
sender = TMCSTest.RandomUid();
}
var send = new object[] {
new {
type = msgData["type"].ToString(),
senderId = sender,
data = msgData["data"].ToString()
}
};
var msgToSendJson = await TMCSTest.JSONStringifyAsync(send);
await SendTextAsync(msgToSendJson);
}
}
public async Task HandShake(JToken data)
{
var uid = data["uid"].ToString();
var token = data["token"].ToString();
this.Uid = uid;
this.Token = token;
await SendTextAsync(await TMCSTest.JSONStringifyAsync(new
{
type = "Signal",
senderId = "TMCS",
data = new
{
signal = "HandShake",
data = new
{
serverName = "TMCS-Test",
owner = "MDZZ.studio",
version = "0.1.0-alpha",
pubKey = TMCSTest.PUBLIC_KEY
}
}
}));
}