private void Ws_MessageReceived(object sender, MessageReceivedEventArgs e)
{
string data = e.Message;
this.serverActivity = DateTime.Now;
if (data == Frame.LF.ToString())
{
this.Debug("<<< PONG");
return;
}
this.Debug("<<< " + data);
var unmarshalledData = Frame.Unmarshall(this.partialData + data);
this.partialData = unmarshalledData.Partial;
var frames = unmarshalledData.Frames;
for (int _i = 0, _len = frames.Count; _i < _len; _i++)
{
var frame = frames[_i];
switch (frame.Command)
{
case CommandEnum.CONNECTED:
this.Status = StompStatus.Connected;
this.Debug("connected to server " + frame.GetHeader("server"));
this.SetupHeartbeat(frame.Headers);
Callbacks.ConnectSuccess?.Invoke(frame);
break;
case CommandEnum.MESSAGE:
var subscription = frame.GetHeader("subscription");
var onreceive = this.GetSubscribeCallback(subscription);
if (onreceive != null)
{
var messageID = frame.GetHeader("message-id");
onreceive.Invoke(frame);
}
else
{
this.Debug("Unhandled received MESSAGE: " + frame);
}
break;
//case CommandEnum.RECEIPT:
// this.onreceipt?.Invoke(frame)
// break;
case CommandEnum.ERROR:
Callbacks.Error?.Invoke(frame);
break;
default:
this.Debug("Unhandled frame: " + frame);
break;
}
}
}
private void Ws_Closed(object sender, ClosedEventArgs e)
{
string code = "";
string reason = "";
if (e != null)
{
System.Net.WebSockets.WebSocketCloseStatus closeStatus = (System.Net.WebSockets.WebSocketCloseStatus)e.Code;
code = e.Code + "(" + closeStatus.ToString() + ")";
reason = e.Reason;
}
this.Status = StompStatus.Disconnected;
Callbacks.Disconnected?.Invoke();
this.Debug($"Whoops! WebSocket Closed: {code} {reason}");
this.CleanUp();
}
/*
* Client.prototype._setupHeartbeat = function (headers) {
* var serverIncoming, serverOutgoing, ttl, v, _ref, _ref1;
* if ((_ref = headers.version) !== Stomp.VERSIONS.V1_1 && _ref !== Stomp.VERSIONS.V1_2) {
* return;
* }
* _ref1 = (function () {
* var _i, _len, _ref1, _results;
* _ref1 = headers['heart-beat'].split(",");
* _results = [];
* for (_i = 0, _len = _ref1.length; _i < _len; _i++) {
* v = _ref1[_i];
* _results.push(parseInt(v));
* }
* return _results;
* })(), serverOutgoing = _ref1[0], serverIncoming = _ref1[1];
* if (!(this.heartbeat.outgoing === 0 || serverIncoming === 0)) {
* ttl = Math.max(this.heartbeat.outgoing, serverIncoming);
* if (typeof this.debug === "function") {
* this.debug("send PING every " + ttl + "ms");
* }
* this.pinger = Stomp.setInterval(ttl, (function (_this) {
* return function () {
* _this.ws.send(Byte.LF);
* return typeof _this.debug === "function" ? _this.debug(">>> PING") : void 0;
* };
* })(this));
* }
* if (!(this.heartbeat.incoming === 0 || serverOutgoing === 0)) {
* ttl = Math.max(this.heartbeat.incoming, serverOutgoing);
* if (typeof this.debug === "function") {
* this.debug("check PONG every " + ttl + "ms");
* }
* return this.ponger = Stomp.setInterval(ttl, (function (_this) {
* return function () {
* var delta;
* delta = now() - _this.serverActivity;
* if (delta > ttl * 2) {
* if (typeof _this.debug === "function") {
* _this.debug("did not receive server activity for the last " + delta + "ms");
* }
* return _this.ws.close();
* }
* };
* })(this));
* }
* };
*/
public void Connect(StompHeader headers, Action <Frame> connectCallback, Action <Frame> failedCallback = null)
{
Callbacks.ConnectSuccess = connectCallback;
Callbacks.Error = failedCallback;
this.SockJs.OnError += (sender, args) => { Console.WriteLine(args.Exception.Message); };
if (this.SockJs.State == WebSocketState.Open)
{
connectCallback(new Frame());
}
else
{//先要将WebSocket打开，才能发送Stomp连接命令
this.Status = StompStatus.Connecting;
this.Debug("Opening Web Socket for stomp connect...");
this.SockJs.Open();
}
}
