210 lines
5.4 KiB
HTML
210 lines
5.4 KiB
HTML
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<html>
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<head>
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<title>PeerConnection server test page</title>
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<script>
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var request = null;
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var hangingGet = null;
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var localName;
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var server;
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var my_id = -1;
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var other_peers = {};
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function trace(txt) {
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var elem = document.getElementById("debug");
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elem.innerHTML += txt + "<br>";
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}
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function handleServerNotification(data) {
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trace("Server notification: " + data);
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var parsed = data.split(',');
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if (parseInt(parsed[2]) != 0)
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other_peers[parseInt(parsed[1])] = parsed[0];
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}
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function handlePeerMessage(peer_id, data) {
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trace("Message from '" + other_peers[peer_id] + "': " + data);
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if (document.getElementById("loopback").checked) {
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if (data.search('"port" : "0"') == -1) {
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sendToPeer(peer_id, data);
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} else {
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trace("Not looping back quit message");
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}
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}
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}
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function GetIntHeader(r, name) {
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var val = r.getResponseHeader(name);
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trace("header value: " + val);
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return val != null && val.length ? parseInt(val) : -1;
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}
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function hangingGetCallback() {
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try {
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if (hangingGet.readyState != 4)
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return;
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if (hangingGet.status != 200) {
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trace("server error: " + hangingGet.statusText);
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disconnect();
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} else {
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var peer_id = GetIntHeader(hangingGet, "Pragma");
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if (peer_id == my_id) {
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handleServerNotification(hangingGet.responseText);
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} else {
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handlePeerMessage(peer_id, hangingGet.responseText);
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}
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}
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if (hangingGet) {
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hangingGet.abort();
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hangingGet = null;
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}
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if (my_id != -1)
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window.setTimeout(startHangingGet, 0);
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} catch (e) {
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trace("Hanging get error: " + e.description);
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}
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}
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function startHangingGet() {
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try {
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hangingGet = new XMLHttpRequest();
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hangingGet.onreadystatechange = hangingGetCallback;
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hangingGet.ontimeout = onHangingGetTimeout;
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hangingGet.open("GET", server + "/wait?peer_id=" + my_id, true);
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hangingGet.send();
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} catch (e) {
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trace("error" + e.description);
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}
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}
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function onHangingGetTimeout() {
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trace("hanging get timeout. issuing again.");
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hangingGet.abort();
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hangingGet = null;
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if (my_id != -1)
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window.setTimeout(startHangingGet, 0);
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}
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function signInCallback() {
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try {
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if (request.readyState == 4) {
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if (request.status == 200) {
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var peers = request.responseText.split("\n");
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my_id = parseInt(peers[0].split(',')[1]);
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trace("My id: " + my_id);
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for (var i = 1; i < peers.length; ++i) {
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if (peers[i].length > 0) {
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trace("Peer " + i + ": " + peers[i]);
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var parsed = peers[i].split(',');
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other_peers[parseInt(parsed[1])] = parsed[0];
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}
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}
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startHangingGet();
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request = null;
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}
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}
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} catch (e) {
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trace("error: " + e.description);
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}
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}
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function signIn() {
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try {
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request = new XMLHttpRequest();
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request.onreadystatechange = signInCallback;
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request.open("GET", server + "/sign_in?" + localName, true);
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request.send();
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} catch (e) {
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trace("error: " + e.description);
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}
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}
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function sendToPeer(peer_id, data) {
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if (my_id == -1) {
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alert("Not connected");
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return;
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}
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if (peer_id == my_id) {
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alert("Can't send a message to oneself :)");
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return;
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}
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var r = new XMLHttpRequest();
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r.open("POST", server + "/message?peer_id=" + my_id + "&to=" + peer_id, false);
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r.setRequestHeader("Content-Type", "text/plain");
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r.send(data);
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r = null;
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}
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function connect() {
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localName = document.getElementById("local").value.toLowerCase();
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server = document.getElementById("server").value.toLowerCase();
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if (localName.length == 0) {
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alert("I need a name please.");
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document.getElementById("local").focus();
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} else {
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document.getElementById("connect").disabled = true;
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document.getElementById("disconnect").disabled = false;
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document.getElementById("send").disabled = false;
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signIn();
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}
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}
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function disconnect() {
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if (request) {
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request.abort();
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request = null;
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}
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if (hangingGet) {
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hangingGet.abort();
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hangingGet = null;
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}
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if (my_id != -1) {
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request = new XMLHttpRequest();
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request.open("GET", server + "/sign_out?peer_id=" + my_id, false);
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request.send();
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request = null;
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my_id = -1;
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}
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document.getElementById("connect").disabled = false;
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document.getElementById("disconnect").disabled = true;
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document.getElementById("send").disabled = true;
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}
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window.onbeforeunload = disconnect;
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function send() {
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var text = document.getElementById("message").value;
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var peer_id = parseInt(document.getElementById("peer_id").value);
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if (!text.length || peer_id == 0) {
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alert("No text supplied or invalid peer id");
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} else {
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sendToPeer(peer_id, text);
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}
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}
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</script>
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</head>
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<body>
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Server: <input type="text" id="server" value="http://localhost:8888" /><br>
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<input type="checkbox" id="loopback"/> Loopback (just send received messages right back)<br>
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Your name: <input type="text" id="local" value="my_name"/>
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<button id="connect" onclick="connect();">Connect</button>
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<button disabled="true" id="disconnect" onclick="disconnect();">Disconnect</button><br>
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<table><tr><td>
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Target peer id: <input type="text" id="peer_id" size="3"/></td><td>
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Message: <input type="text" id="message"/></td><td>
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<button disabled="true" id="send" onclick="send();">Send</button></td></tr></table>
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<button onclick="document.getElementById('debug').innerHTML='';">Clear log</button>
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<pre id="debug">
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</pre>
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<br><hr>
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</body>
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</html>
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