-
Notifications
You must be signed in to change notification settings - Fork 0
/
app.js
189 lines (155 loc) · 4.97 KB
/
app.js
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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
let express = require('express');
let path = require('path');
let favicon = require('serve-favicon');
let logger = require('morgan');
let cookieParser = require('cookie-parser');
let bodyParser = require('body-parser');
let fs = require('fs');
let cors = require('cors');
let index = require('./routes/index');
let users = require('./routes/users');
let app = express();
let TVs = [];
const logFileName = path.join(__dirname, "debug.log");
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');
app.use(cors());
app.use(favicon(path.join(__dirname, 'public', 'images', 'MPAT_logo.png')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use('/', index);
app.use('/users', users);
//////////////////////////////////////////////////////
function TV(ip, logLevel) {
this.ip = ip;
this.logLevel = logLevel;
this.time = new Date().getTime();
}
TV.prototype.isOutdated = function () {
// outdated if record is older than 1h;
return (new Date().getTime() - this.time) > 3600000;
};
// ///////////////////////////////////////////////////
// debug URLs
// ///////////////////////////////////////////////////
app.get('/dumpData/', dumpData);
app.get('/dumpData', dumpData);
function dumpData(req, res) {
let str = "<html><body>Debug information: " + new Date().getTime() + "<br/>";
str += "TVs:"+TVs.length+"<br/><br/>";
for (i = 0; i < TVs.length; i++) {
str += "TV:" + TVs[i].ip + " " + TVs[i].logLevel + " " +
(agents[i].isOutdated() ? " outdated" : "") + "<br/>";
}
res.send(str + "</body></html>");
}
app.get('/cleanUp', cleanUp);
app.get('/cleanUp/', cleanUp);
function cleanUp(req, res) {
removeOutdated(TVs);
res.send("db cleaned");
}
function removeOutdated(things) {
var i = 0;
while (i < things.length) {
if (things[i].isOutdated()) {
things.splice(i, 1);
} else {
i++;
}
}
}
app.get('/reset', reset);
app.get('/reset/', reset);
function reset(req, res) {
TVs = [];
res.send("db reset");
}
// ///////////////////////////////////////////////////
// search URLs
// ///////////////////////////////////////////////////
app.get('/log', function (req, res, next) {
// log the access
var date = new Date();
var dat = date.getHours();
var d = (dat.length < 2 ? " " : "")+dat+":";
dat = date.getMinutes();
d += (dat < 10 ? "0" : "")+dat+":";
dat = date.getSeconds();
d += (dat < 10 ? "0" : "")+dat+".";
dat = date.getMilliseconds();
d += (dat < 10 ? "00" : (dat < 100 ? "0" : ""))+dat;
fs.appendFile(logFileName, d + " " + req.ip + " " + req.query.message+"\n", function (err) {});
res.send(""); // send empty content
});
app.get('/getalllogs', function (req, res, next) {
fs.readFile(logFileName, 'utf8', function (err, text) {
if (text === undefined) {
res.send("");
return;
}
var lines = text.split("\n");
lines.reverse();
res.send(lines.join("\n"));
});
});
app.get('/clearlogs', function (req, res, next) {
fs.writeFileSync(logFileName, "-----------\n");
res.send("logs cleared");
});
app.get('/getlogs', function (req, res) {
fs.readFile(logFileName, 'utf8', function (err, text) {
var lines = text.split("\n"), subset = "";
for (var i = lines.length-1; i >= 0; i--) {
if (lines[i].indexOf(req.query.ip) >= 0) subset += lines[i] + "\n";
}
res.send(subset);
});
});
app.get('/setloglevel', function (req, res) {
TVs.push(new TV(req.query.ip, req.query.logLevel));
res.send("log level of TV " + req.query.ip + " set to " + req.query.logLevel);
});
app.get('/getloglevel', function (req, res, next) {
var tv = getTVByIp(req.ip);
if (tv) {
res.send(tv.logLevel);
} else {
res.send("0");
}
});
// ///////////////////////////////////////////////////
// pairing functions
// ///////////////////////////////////////////////////
function getTVByIp(ip) {
for (var i = 0; i < TVs.length; i++) {
if (!TVs[i].isOutdated() && TVs[i].ip == ip) {
return TVs[i];
}
}
return null;
}
// ///////////////////////////////////////////////////
// catch 404 and forward to error handler
app.use(function(req, res, next) {
let err = new Error('Not Found');
err.status = 404;
next(err);
});
// error handler
app.use(function(err, req, res, next) {
// set locals, only providing error in development
res.locals.message = err.message;
res.locals.error = req.app.get('env') === 'development' ? err : {};
// render the error page
res.status(err.status || 500);
res.render('error');
});
app.set('port', process.env.PORT || 3000)
let server = app.listen(app.get('port'), function () {
console.log('Express server listening on port ' + server.address().port)
});