/*
* Client.prototype.disconnect = function (disconnectCallback, headers) {
* if (headers == null) {
* headers = {};
* }
* this._transmit("DISCONNECT", headers);
* this.ws.onclose = null;
* this.ws.close();
* this._cleanUp();
* return typeof disconnectCallback === "function" ? disconnectCallback() : void 0;
* };
*/
public void Send(string destination, StompHeader headers, string body)
{
if (body == null)
{
body = "";
}
headers.Destination = destination;
this.Transmit(CommandEnum.SEND, headers, body);
}
public Frame(CommandEnum command, StompHeader headers, string body)
{
this.Command = command;
if (headers != null)
{
this.Headers = headers;
}
this.Body = body;
}
public void Nack(string messageId, string subscription, StompHeader headers = null)
{
if (headers == null)
{
headers = new Stomp.StompHeader();
}
headers.Set("message-id", messageId);
headers.Subscription = subscription;
this.Transmit(CommandEnum.NACK, headers);
}
/* javascript源代码。注意：js中WebSocket是new的时候就open的（不过也是异步的）
* Client.prototype.connect = function () {
* var args, errorCallback, headers, out;
* args = 1 <= arguments.length ? __slice.call(arguments, 0) : [];
* out = this._parseConnect.apply(this, args);
* headers = out[0], this.connectCallback = out[1], errorCallback = out[2];
* if (typeof this.debug === "function") {
* this.debug("Opening Web Socket...");
* }
*
* this.ws.onmessage = (function (_this) {
* return function (evt) {
* var arr, c, client, data, frame, messageID, onreceive, subscription, unmarshalledData, _i, _len, _ref, _results;
* data = typeof ArrayBuffer !== 'undefined' && evt.data instanceof ArrayBuffer ? (arr = new Uint8Array(evt.data), typeof _this.debug === "function" ? _this.debug("--- got data length: " + arr.length) : void 0, ((function () {
* var _i, _len, _results;
* _results = [];
* for (_i = 0, _len = arr.length; _i < _len; _i++) {
* c = arr[_i];
* _results.push(String.fromCharCode(c));
* }
* return _results;
* })()).join('')) : evt.data;
* _this.serverActivity = now();
* if (data === Byte.LF) {
* if (typeof _this.debug === "function") {
* _this.debug("<<< PONG");
* }
* return;
* }
* if (typeof _this.debug === "function") {
* _this.debug("<<< " + data);
* }
* unmarshalledData = Frame.unmarshall(_this.partialData + data);
* _this.partialData = unmarshalledData.partial;
* _ref = unmarshalledData.frames;
* _results = [];
* for (_i = 0, _len = _ref.length; _i < _len; _i++) {
* frame = _ref[_i];
* switch (frame.command) {
* case "CONNECTED":
* if (typeof _this.debug === "function") {
* _this.debug("connected to server " + frame.headers.server);
* }
* _this.connected = true;
* _this._setupHeartbeat(frame.headers);
* _results.push(typeof _this.connectCallback === "function" ? _this.connectCallback(frame) : void 0);
* break;
* case "MESSAGE":
* subscription = frame.headers.subscription;
* onreceive = _this.subscriptions[subscription] || _this.onreceive;
* if (onreceive) {
* client = _this;
* messageID = frame.headers["message-id"];
* frame.ack = function (headers) {
* if (headers == null) {
* headers = {};
* }
* return client.ack(messageID, subscription, headers);
* };
* frame.nack = function (headers) {
* if (headers == null) {
* headers = {};
* }
* return client.nack(messageID, subscription, headers);
* };
* _results.push(onreceive(frame));
* } else {
* _results.push(typeof _this.debug === "function" ? _this.debug("Unhandled received MESSAGE: " + frame) : void 0);
* }
* break;
* case "RECEIPT":
* _results.push(typeof _this.onreceipt === "function" ? _this.onreceipt(frame) : void 0);
* break;
* case "ERROR":
* _results.push(typeof errorCallback === "function" ? errorCallback(frame) : void 0);
* break;
* default:
* _results.push(typeof _this.debug === "function" ? _this.debug("Unhandled frame: " + frame) : void 0);
* }
* }
* return _results;
* };
* })(this);
* this.ws.onclose = (function (_this) {
* return function () {
* var msg;
* msg = "Whoops! Lost connection to " + _this.ws.url;
* if (typeof _this.debug === "function") {
* _this.debug(msg);
* }
* _this._cleanUp();
* return typeof errorCallback === "function" ? errorCallback(msg) : void 0;
* };
* })(this);
* return this.ws.onopen = (function (_this) {
* return function () {
* if (typeof _this.debug === "function") {
* _this.debug('Web Socket Opened...');
* }
* headers["accept-version"] = Stomp.VERSIONS.supportedVersions();
* headers["heart-beat"] = [_this.heartbeat.outgoing, _this.heartbeat.incoming].join(',');
* return _this._transmit("CONNECT", headers);
* };
* })(this);
* };
*/
private void SendStompConnectCmd(StompHeader headers)
{
if (headers == null)
{
headers = new Stomp.StompHeader();
}
if (!headers.ContainsKey("accept-version"))
{
headers["accept-version"] = SUPPORTED_VERSIONS;
}
if (!headers.ContainsKey("heart-beat"))
{
headers["heart-beat"] = heartbeat_outgoing + "," + heartbeat_incoming;
}
this.Transmit(CommandEnum.CONNECT, headers);
}
/*
* 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();
}
}
/*
* Client.prototype.send = function (destination, headers, body) {
* if (headers == null) {
* headers = {};
* }
* if (body == null) {
* body = '';
* }
* headers.destination = destination;
* return this._transmit("SEND", headers, body);
* };
*/
public void Subscribe(string destination, Action <Frame> callback, StompHeader headers = null)
{
if (headers == null)
{
headers = new StompHeader();
}
if (!headers.ContainsKey("id"))
{
headers.Set("id", "sub-" + this.Counter++);
}
headers.Destination = destination;
this.Subscriptions.Add(new Stomp.Subscription()
{
Id = headers.Get("id"),
Callback = callback,
Destination = destination
});
this.Transmit(CommandEnum.SUBSCRIBE, headers);
}
private void Transmit(CommandEnum command, StompHeader headers, string body = null)
{
string msg = Frame.Marshall(command, headers, body);
this.Debug(msg);
while (true)
{
if (msg.Length > this.maxWebSocketFrameSize)
{
this.SockJs.Send(msg.Substring(0, this.maxWebSocketFrameSize));
msg = msg.Substring(this.maxWebSocketFrameSize);
this.Debug("remaining = " + msg.Length);
}
else
{
this.SockJs.Send(msg);
return;
}
}
}
public static string Marshall(CommandEnum command, StompHeader headers, string body)
{
var frame = new Frame(command, headers, body);
return(frame.ToString() + NULL);
}
public void Disconnect(Action disconnectCallback, StompHeader headers)
{
Callbacks.Disconnected = disconnectCallback;
this.Transmit(CommandEnum.DISCONNECT, headers);
this.SockJs.Close();
}
