-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathweb-page-monitor2.htm
156 lines (139 loc) · 4.17 KB
/
web-page-monitor2.htm
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<style>
#messages
{
background-color:yellow;
font-size:3;
font-weight:bold;
line-height:140%;
}
#status
{
background-color:red;
font-size:4;
font-weight:bold;
color:white;
line-height:140%;
}
tr{
border: 1px solid gray;
}
.out
{
background-color:gray;
}
</style>
<head>
<title>Simple Web Page Display Dashboard</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script src="https://cdnjs.cloudflare.com/ajax/libs/paho-mqtt/1.0.1/mqttws31.js" type="text/javascript"></script>
<script type = "text/javascript"
src = "https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
<script type = "text/javascript">
var connected_flag=0
var mqtt;
var reconnectTimeout = 2000;
var host="n9ec61d1.us-east-1.emqx.cloud";
var port=8083;
var sub_topic="house/#";
function onConnectionLost(){
console.log("connection lost");
document.getElementById("status").innerHTML = "Connection Lost";
document.getElementById("messages").innerHTML ="Connection Lost";
connected_flag=0;
}
function onFailure(message) {
console.log("Failed");
document.getElementById("messages").innerHTML = "Connection Failed- Retrying";
setTimeout(MQTTconnect, reconnectTimeout);
}
function onMessageArrived(r_message){
out_msg="Message received "+r_message.payloadString+"<br>";
out_msg=out_msg+"Message received Topic "+r_message.destinationName;
//console.log("Message received ",r_message.payloadString);
console.log(out_msg);
document.getElementById("messages").innerHTML =out_msg;
var topic=r_message.destinationName;
if(topic=="house/outside-light")
{
document.getElementById("outside-light").innerHTML =r_message.payloadString;
}
if(topic=="house/outside-temp")
{
document.getElementById("outside-temp").innerHTML =r_message.payloadString;
}
}
function onConnected(recon,url){
console.log(" in onConnected " +reconn);
}
function onConnect() {
// Once a connection has been made, make a subscription and send a message.
document.getElementById("messages").innerHTML ="Connected to "+host +"on port "+port;
connected_flag=1
document.getElementById("status").innerHTML = "Connected";
console.log("on Connect "+connected_flag);
mqtt.subscribe(sub_topic);
}
function MQTTconnect() {
console.log("connecting to "+ host +" "+ port);
var x=Math.floor(Math.random() * 10000);
var cname="controlform-"+x;
mqtt = new Paho.MQTT.Client(host,port,cname);
//document.write("connecting to "+ host);
var options = {
timeout: 3,
onSuccess: onConnect,
onFailure: onFailure,
userName : "test",
password : "0114"
};
mqtt.onConnectionLost = onConnectionLost;
mqtt.onMessageArrived = onMessageArrived;
//mqtt.onConnected = onConnected;
mqtt.connect(options);
return false;
}
function sub_topics(){
document.getElementById("messages").innerHTML ="";
if (connected_flag==0){
out_msg="<b>Not Connected so can't subscribe</b>"
console.log(out_msg);
document.getElementById("messages").innerHTML = out_msg;
return false;
}
var stopic= document.forms["subs"]["Stopic"].value;
console.log("Subscribing to topic ="+stopic);
mqtt.subscribe(stopic);
return false;
}
function send_message(msg,topic){
if (connected_flag==0){
out_msg="<b>Not Connected so can't send</b>"
console.log(out_msg);
document.getElementById("messages").innerHTML = out_msg;
return false;
}
var value=msg.value;
console.log("value= "+value);
console.log("topic= "+topic);
message = new Paho.MQTT.Message(value);
message.destinationName = "house/"+topic;
mqtt.send(message);
return false;
}
</script>
</head>
<body onload="MQTTconnect()">
<h1>Simple Web Page Display Dashboard</h1>
<table>
<tr><td >Outside Light:<td><td id="outside-light"><td><td >
<tr><td>Outside Temperature:</td><td id="outside-temp"><td></tr>
</table>
<div id="status">Connection Status: Not Connected</div>
</div>
<br>
Messages:<p id="messages"></p>
</body>
</html>