08-27-周三_17-09-29

node_modules/faye-websocket/lib/faye/websocket/api.js

@@ -0,0 +1,88 @@
+var EventTarget = require('./api/event_target'),
+    Event       = require('./api/event');
+
+var API = {
+  CONNECTING:   0,
+  OPEN:         1,
+  CLOSING:      2,
+  CLOSED:       3,
+
+  _open: function() {
+    if (this._parser && !this._parser.isOpen()) return;
+    this.readyState = API.OPEN;
+
+    var buffer = this._sendBuffer || [],
+        message;
+
+    while (message = buffer.shift())
+      this.send.apply(this, message);
+
+    var event = new Event('open');
+    event.initEvent('open', false, false);
+    this.dispatchEvent(event);
+  },
+
+  receive: function(data) {
+    if (this.readyState !== API.OPEN) return false;
+    var event = new Event('message');
+    event.initEvent('message', false, false);
+    event.data = data;
+    this.dispatchEvent(event);
+  },
+
+  send: function(data, type, errorType) {
+    if (this.readyState === API.CONNECTING) {
+      if (this._sendBuffer) {
+        this._sendBuffer.push(arguments);
+        return true;
+      } else {
+        throw new Error('Cannot call send(), socket is not open yet');
+      }
+    }
+
+    if (this.readyState === API.CLOSED)
+      return false;
+
+    if (!(data instanceof Buffer)) data = String(data);
+
+    var frame = this._parser.frame(data, type, errorType);
+    try {
+      this._stream.write(frame, 'binary');
+      return true;
+    } catch (e) {
+      return false;
+    }
+  },
+
+  close: function(code, reason, ack) {
+    if (this.readyState === API.CLOSED) return;
+    if (this.readyState === API.CLOSING && ack !== false) return;
+
+    var finalize = function() {
+      this.readyState = API.CLOSED;
+      if (this._pingLoop) clearInterval(this._pingLoop);
+      if (this._stream) this._stream.end();
+      var event = new Event('close', {code: code || 1000, reason: reason || ''});
+      event.initEvent('close', false, false);
+      this.dispatchEvent(event);
+    };
+
+    if (this.readyState === API.CONNECTING)
+      return finalize.call(this);
+
+    this.readyState = API.CLOSING;
+
+    if (ack === false) {
+      if (this._parser.close) this._parser.close(code, reason);
+      finalize.call(this);
+    } else {
+      if (this._parser.close) this._parser.close(code, reason, finalize, this);
+      else finalize.call(this);
+    }
+  }
+};
+
+for (var key in EventTarget) API[key] = EventTarget[key];
+
+module.exports = API;
+