habboy/hw_iface/js_test_client/js/ws_client.js

111 wiersze
2.0 KiB
JavaScript

var G_HD_WEBSOCKET;
var G_HD_CONNECTED = 0;
function debug_print()
{
console.debug(arguments);
document.getElementById("ws_client_debug").innerHTML = "";
for (i = 0; i < arguments.length; i++)
document.getElementById("ws_client_debug").innerHTML += arguments[i] + " ";
}
function OpenConnection(endpoint)
{
if(G_HD_CONNECTED)
return;
var server = endpoint;
console.debug("Connecting to ", server, " ...");
G_HD_WEBSOCKET = new WebSocket("ws://" + server);
G_HD_WEBSOCKET.binaryType = 'arraybuffer'; // or 'blob'
G_HD_WEBSOCKET.onopen = function(evt) { ws_onOpen(evt) };
G_HD_WEBSOCKET.onclose = function(evt) { ws_onClose(evt) };
G_HD_WEBSOCKET.onmessage = function(evt) { ws_onMessage(evt) };
G_HD_WEBSOCKET.onerror = function(evt) { ws_onError(evt) };
}
function ws_onClose(evt)
{
G_HD_CONNECTED = 0;
debug_print("DISCONNECTED");
setTimeout(function () { OpenConnection(); }, 5000);
}
function ws_onError(evt)
{
debug_print("ws_onError: ", evt.data);
}
function ws_onOpen(evt)
{
G_HD_CONNECTED = 1;
debug_print("ws_onOpen: ", "Connected.");
G_HD_WEBSOCKET.send("hi");
SendCommand("info:gps");
console.debug("ws_onOpen: init refresh.");
}
function ws_onMessage(evt)
{
if(!G_HD_CONNECTED)
{
debug_print("ws_onMessage: not connected.");
return;
}
// console.debug("ON_MSG", evt);
if(typeof evt.data === "string")
{
HandleMessage(evt.data)
}
else if(evt.data instanceof ArrayBuffer)
{
debug_print("got bin data");
}
else
{
debug_print("ws_onMessage: unknown data type.");
return;
}
}
function SendCommand(i_cmd)
{
if(!G_HD_CONNECTED)
{
debug_print("SendCommand: not connected.");
return;
}
var msg = "cmd::" + i_cmd;
// debug_print("SendCommand: ", msg);
G_HD_WEBSOCKET.send(msg);
}
function HandleMessage(i_data)
{
if(!G_HD_CONNECTED)
{
debug_print("HandleMessage: not connected.");
return;
}
if( !i_data.startsWith("cmd::info:liveprint") )
debug_print("Received Message: ", i_data);
return false;
}