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4.9 KiB

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var t = Date.now();
function sleep(d){
while(Date.now - t <= d);
}
function getStreamWebrtc(player) {
pc = new RTCPeerConnection({
iceServers: ICEServerkvm,//ICEServer
});
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// initH265Transfer(pc,player);
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initH265DC(pc,player);
// Populate SDP field when finished gathering
pc.oniceconnectionstatechange = e => log(pc.iceConnectionState)
pc.onicecandidate = event => {
if (event.candidate === null) {
//pc.setLocalDescription(offer)
var msgdata = new Object();
//var localSessionDescription =btoa(JSON.stringify(pc.localDescription));
msgdata["seqid"] = WEB_SEQID;
if (bVideo) {
msgdata["video"] = true;
msgdata["mode"] = media_mode;
if (media_mode == "rtsp") {
let rtsp = document.getElementById("rtspId");
let rtspaddr = rtsp.value;
if (rtspaddr == "") {
rtspaddr = KVMRTSPADDR;
rtsp.value = KVMRTSPADDR;
}
msgdata["rtspaddr"] = rtspaddr;//document.getElementById("rtspId").value //KVMRTSPADDR;
}
}
if (bAudio) {
msgdata["audio"] = true;
}
msgdata["serial"] = false;//true;
msgdata["ssh"] = false;//true;
msgdata["iceserver"] = ICEServerkvm;
msgdata["offer"] = pc.localDescription;//localSessionDescription;
msgdata["suuid"] = kvmstream;
var content = new Object();
content["type"] = CMDMSG_OFFER;
content["msg"] = "webrtc offer";
content["device_id"] = document.getElementById("deviceId").value;
content["data"] = btoa(JSON.stringify(msgdata));
mqttclient.publish(pubtopic, JSON.stringify(content));
console.log("localDescription:", btoa(JSON.stringify(pc.localDescription)));
}
}
pc.createOffer().then(d => pc.setLocalDescription(d)).catch(log)
};
initMqtt = function(player) {
if(bmqttStarted){
console.log("mqtt is connect");
return;
}
var ClientId = 'mqttjs_' + Math.random().toString(16).substr(2, 8)
mqttclient = mqtt.connect(MqttServer,
{
clientId: ClientId,
username: 'admin',
password: 'password',
// port: 8084
});
mqttclient.on('connect', function () {
mqttclient.subscribe(subtopic, function (err) {
if (!err) {
//成功连接到服务器
console.log("connected to server");
bmqttStarted=true;
getStreamWebrtc(player);
}
})
})
mqttclient.on('message', function (topic, message,) {
// message is Buffer
console.log("topic:",topic)
console.log("message:",message)
let input = JSON.parse(message)
console.log("input:",input)
switch (input.type) {
case 'offer':
getRemoteOffer(input);
break;
case "error":
console.log("msg:",input.msg);
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// stopSession();
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break;
case "answer":
var remoteSessionDescription = input.data;
if (remoteSessionDescription === '') {
alert('Session Description must not be empty');
}
try {
let answerjsonstr=atob(remoteSessionDescription);
console.log("atob1:",answerjsonstr);
let answer = JSON.parse(answerjsonstr);
console.log("answer:",answer);
pc.setRemoteDescription(new RTCSessionDescription(answer));
// btnOpen();
} catch (e) {
alert(e);
}
break;
case "heart":
console.log(JSON.parse(atob(input.data)));
break;
case "cmdFeedback":
console.log(JSON.parse(atob(input.data)));
break;
}
})
}
function endMqtt() {
if(!bmqttStarted) return;
mqttclient.end()
bmqttStarted=false;
}
function endWebrtc(){
stopH265();
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// endH265Transfer();
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pc.close();
}
function sendCmdMsg(topic,cmdmsgtype,deviceid,msg,cmdmsg){
var content = new Object();
content["type"] = cmdmsgtype;//CMDMSG_OFFER;
content["msg"] = msg;//"webrtc offer";
content["device_id"] =deviceid;//document.getElementById("serverId").value //$("#dropdown_menu_link").attr("value");
content["data"] = btoa(JSON.stringify(cmdmsg));
mqttclient.publish(topic, JSON.stringify(content));
console.log("mqttpublish:",topic, cmdmsg);
}