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67 lines
1.4 KiB
67 lines
1.4 KiB
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function get_appropriate_ws_url(extra_url)
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{
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var pcol;
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var u = document.URL;
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/*
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* We open the websocket encrypted if this page came on an
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* https:// url itself, otherwise unencrypted
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*/
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if (u.substring(0, 5) === "https") {
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pcol = "wss://";
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u = u.substr(8);
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} else {
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pcol = "ws://";
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if (u.substring(0, 4) === "http")
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u = u.substr(7);
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}
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u = u.split("/");
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/* + "/xxx" bit is for IE10 workaround */
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return pcol + u[0] + "/" + extra_url;
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}
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function new_ws(urlpath, protocol)
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{
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return new WebSocket(urlpath, protocol);
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}
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document.addEventListener("DOMContentLoaded", function() {
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var ws = new_ws(get_appropriate_ws_url(""), "timer");
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try {
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ws.onopen = function() {
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document.getElementById("m").disabled = 0;
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document.getElementById("b").disabled = 0;
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};
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ws.onmessage =function got_packet(msg) {
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document.getElementById("r").value =
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document.getElementById("r").value + msg.data + "\n";
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document.getElementById("r").scrollTop =
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document.getElementById("r").scrollHeight;
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};
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ws.onclose = function(){
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document.getElementById("m").disabled = 1;
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document.getElementById("b").disabled = 1;
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};
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} catch(exception) {
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alert("<p>Error " + exception);
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}
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function sendmsg()
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{
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ws.send(document.getElementById("m").value);
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document.getElementById("m").value = "";
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}
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document.getElementById("b").addEventListener("click", sendmsg);
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}, false);
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