Javascript 使用Firebase的简单对等WebRTC应用程序错误:处理ICE候选者时出错
我使用Firebase作为本地计算机上google chrome两个选项卡之间的信号中介。我正在使用最新的基于简单对等github repo的构建:simplepeer.min.js。完全错误是Javascript 使用Firebase的简单对等WebRTC应用程序错误:处理ICE候选者时出错,javascript,web,webrtc,Javascript,Web,Webrtc,我使用Firebase作为本地计算机上google chrome两个选项卡之间的信号中介。我正在使用最新的基于简单对等github repo的构建:simplepeer.min.js。完全错误是 Uncaught DOMException: Error processing ICE candidate 我的网络代码如下: const roomId = extractQueryString('roomId'); firebase.auth().onAuthStateChanged((user)
Uncaught DOMException: Error processing ICE candidate
我的网络代码如下:
const roomId = extractQueryString('roomId');
firebase.auth().onAuthStateChanged((user) => {
if (user && roomId) {
// User is signed in.
const isAnonymous = user.isAnonymous;
const uid = user.uid;
const sessionId = Math.floor(Math.random()*1000000000);
const testLocation = firebase.database().ref();
console.log(uid);
//doesRoomExist(roomId);
const p2pConnection = new SimplePeer({
initiator: document.location.hash === '#initiator'
});
p2pConnection.on( 'signal', (signal) => {
console.log(signal);
testLocation.child(roomId).child(uid).set({
sender: sessionId,
signal: signal
});
});
testLocation.child(roomId).on('child_added', (snapshot) =>{
if( snapshot.val().sender !== sessionId ) {
p2pConnection.signal( snapshot.val().signal );
}
});
/*
* We'll send a message to the other side as soon as
* the connection is established
*/
p2pConnection.on( 'connect', () => {
console.log( 'webrtc datachannel connected' );
p2pConnection.send( 'Hello from user ' + userName );
});
p2pConnection.on( 'close', () => {
console.log( 'webrtc datachannel closed' );
});
p2pConnection.on( 'data', (data) => {
console.log( 'received data <b>' + data + '</b>' );
});
//db.ref().child('ergh').set({ID:uid});
} else {
// Do stuff if they inputted an invalid room or fb is down
}
});
执行
如果我遗漏了什么,这是我的Index.html:
<!DOCTYPE html>
<html>
<script src="https://www.gstatic.com/firebasejs/4.6.2/firebase.js">
</script>
<script>
// Initialize Firebase
var config = {
apiKey: "AIzaSyAUEtS1zEakv0a1TIlsTobQwwTyvlUzQGc",
authDomain: "simple-whiteboard.firebaseapp.com",
databaseURL: "https://simple-whiteboard.firebaseio.com",
projectId: "simple-whiteboard",
storageBucket: "simple-whiteboard.appspot.com",
messagingSenderId: "272918396058"
};
firebase.initializeApp(config);
firebase.auth().signInAnonymously().catch(function(error) {
// Handle Errors here.
var errorCode = error.code;
var errorMessage = error.message;
});
</script>
<script src="js/simplepeer.min.js"></script>
<script src="js/draw.js"></script>
<script src="js/RTC-networking.js"></script>
<body onload="init()">
<canvas id="myCanvas" width="400" height="400"
style="position:absolute;top:10%;left:10%;border:2px solid;">
</canvas>
</body>
//初始化Firebase
变量配置={
apiKey:“AIzaSyAUEtS1zEakv0a1TIlsTobQwwTyvlUzQGc”,
authDomain:“simple whiteboard.firebaseapp.com”,
数据库URL:“https://simple-whiteboard.firebaseio.com",
projectId:“简单白板”,
storageBucket:“simple whiteboard.appspot.com”,
messagingSenderId:“272918396058”
};
firebase.initializeApp(配置);
firebase.auth().signinanoymously().catch(函数(错误){
//在这里处理错误。
var errorCode=error.code;
var errorMessage=error.message;
});
任何帮助都将不胜感激。谢谢。您的代码在这里:
p2pConnection.on( 'signal', (signal) => {
console.log(signal);
testLocation.child(roomId).child(uid).set({
sender: sessionId,
signal: signal
});
});
每次收到“报价”或“候选人”(不同类型的信号)时,将覆盖“发件人”
正如您的错误所说的“错误处理ICE候选者”,这意味着您使用了trickle:true
选项
你必须考虑这些事实:没有涓涓细流-
主机和客户端分别收到一个信号“提供”和“应答”。
使用涓流-
您将获得如上所述的信号,以及每个信号中更多的“候选”信号 因此,不要覆盖你得到的信号,你应该保留一个对最初的“提议”和“回答”的引用,以及每一方所有候选人的列表。并尝试向他们中的每一位发出“信号”(主机将尝试向所有客户的候选人发出信号,反之亦然)
p2pConnection.on( 'signal', (signal) => {
console.log(signal);
testLocation.child(roomId).child(uid).set({
sender: sessionId,
signal: signal
});
});