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// A wrapper around the wrapper
function SockWorker(serveraddr, version, callback) {
this.server = serveraddr;
this.version = version;
this.cb = callback;
}
SockWorker.prototype = {
// Initialize the connection.
init: function() {
if(this.server == "" || this.server == null) {
return;
}
try {
this.socket = new WebSocket(this.server);
this.socket.addEventListener("open", this.o.bind(this));
this.socket.addEventListener("message", this.msg.bind(this));
this.socket.addEventListener("closed", this.c.bind(this));
this.socket.addEventListener("error", this.err.bind(this));
} catch (e) {
this.err();
}
},
// Called when the connection connects to the server
o: function() {
this.send("version", this.version);
},
// Called when the connection gets a message from the server
// Attempts to turn the message into a usable object and pass it to the callback
msg: function(e) {
if(typeof e.data == "string") {
var dat = JSON.parse(e.data)
this.cb(dat);
}
},
// Called when the connection closes.
// Passes a close object to the callback.
c: function() {
this.cb({type: "close", data: ""});
},
// Called when the connection encounters an error.
// Passes an error to the callback
err: function() {
this.cb({type: "error", data: ""});
},
// Call to close the connection to the server
close: function() {
this.socket.close();
},
// Send a message to the server
send: function(type, data) {
var m = new Message(type, data);
this.socket.send(m.stringify())
}
};
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