如何检查RTCPeerConnection是否已连接

Question

如何检查RTCPeerConnection是否已连接这是我的代码：

  var myPeerConnection = new RTCPeerConnection({
        iceServers: [   {   
               urls: [ "stun:bn-turn1.xirsys.com" ]
        },
        {   
           username: "CV9qLgwJ4tBIm88dyPQJ5HIKK7137bsjn- 
           NikgprJGcp50ZyTxejHtqZlIfYCgUjAAAAAF9lpexhc2hpc2gxOTky",
           credential: "d9b50174-fa41-11ea-8957-0242ac140004",
            urls: [
                "turn:bn-turn1.xirsys.com:80?transport=udp", 
                "turn:bn-turn1.xirsys.com:3478?transport=tcp"
            ]
        }
    ]
 });

Answer 1

这将为您提供连接的状态，读取它，并据此使用它：

var connectionState = myPeerConnection.connectionState;

这是如何检查它的示例，“新”状态意味着它正在收集地址。检查是否设置了正确的值。

myPeerConnection.addEventListener('connectionstatechange', event => {
    if (myPeerConnection.connectionState === 'connected') {
        // Peers connected!
    }
});