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josch 2012-06-13 23:20:20 +02:00
commit d545d449c6
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8
Makefile Normal file
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install:
env | grep DESTDIR
env | grep PREFIX
mkdir -p ${DESTDIR}/usr/bin
cp collector.js ${DESTDIR}/usr/bin/wattsapp-collector
chmod +x ${DESTDIR}/usr/bin/wattsapp-collector
mkdir -p ${DESTDIR}/etc/avahi/services/
cp avahi.service ${DESTDIR}/etc/avahi/services/wattsapp-collector.service

10
avahi.service Normal file
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<?xml version="1.0" standalone='no'?><!--*-nxml-*-->
<!DOCTYPE service-group SYSTEM "avahi-service.dtd">
<service-group>
<name>collector</name>
<service>
<type>_https._tcp</type>
<port>8443</port>
<txt-record>ns=wattsapp;ip=2001:638:709:5::5</txt-record>
</service>
</service-group>

376
collector.js Executable file
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#!/usr/bin/env node
const crypto = require('crypto'),
http = require('http'),
https = require('https'),
fs = require('fs'),
util = require('util'),
url = require('url'),
exec = require('child_process').exec,
// mdns = require('mdns'),
sqlite3 = require('sqlite3').verbose();
db = new sqlite3.Database('/var/lib/wattsapp/collector.sqlite');
function handle_list(res, query) {
result = [];
db.each('SELECT * FROM sensors', function(err, row) {
if (err) throw err;
result.push({
'id': row['id'],
'name': row['name'],
'status': row['status'] == 0 ? "inactive" : "active",
'type': row['type'],
'unit': row['unit'],
'location': row['lat']+','+row['lon']
});
},
function() {
res.writeHead(200, {'Content-Type': 'application/json'});
res.end(JSON.stringify(result));
});
}
function handle_details(res, query) {
function foreach_value_row(err, row) {
if (err) throw err;
result[row['id']]['values'].push({
'begin': row['begin'],
'end': row['end'],
'value': row['value'],
});
};
function foreach_value_complete() {
res.writeHead(200, {'Content-Type': 'application/json'});
res.end(JSON.stringify(result));
}
function foreach_sensors_row(err, row) {
if (err) throw err;
result[row['id']] = {
'name': row['name'],
'status': row['status'] == 0 ? 'inactive' : 'active',
'type': row['type'],
'unit': row['unit'],
'location': row['lat']+","+row['lon'],
'values': []
}
}
function foreach_sensors_complete() {
var values_query = "SELECT * FROM value";
var values_param = [];
var begin_time = null;
var end_time = null;
if (query['meters'] || query['time']) {
values_query += " WHERE";
}
if (query['meters']) {
var sensors = query['meters'].split(',');
values_query += " id IN (";
values_query += sensors.map(function(e) { return "?" }).join(',');
values_query += ")";
values_param = values_param.concat(sensors);
}
if (query['meters'] && query['time']) {
values_query += " AND";
}
if (query['time']) {
var time = query['time'].split(':')
time_begin = time[0];
time_end = time[1];
if (time_begin > 0 && time_end > 0) {
values_query += " begin > ? AND end < ?";
values_param = values_param.concat([time_begin, time_end]);
} else if (time_begin > 0) {
values_query += " begin > ?";
values_param = values_param.concat([time_begin]);
} else if (time_end > 0) {
values_query += " end < ?";
values_param = values_param.concat([time_end]);
}
}
db.each(values_query, values_param, foreach_value_row, foreach_value_complete);
}
result = {};
var sensors_query = "SELECT * FROM sensors";
var sensors = [];
if (query['meters']) {
var sensors = query['meters'].split(',');
sensors_query += " WHERE id IN (";
sensors_query += sensors.map(function(e) { return "?" }).join(',');
sensors_query += ")"
}
db.each(sensors_query, sensors, foreach_sensors_row, foreach_sensors_complete);
}
function handle_sum(res, query) {
function foreach_value_row(err, row) {
if (err) throw err;
result[row['id']]['values'].push({
'begin': row['begin'],
'end': row['end'],
'value': row['value'],
});
};
function foreach_value_complete() {
res.writeHead(200, {'Content-Type': 'application/json'});
res.end(JSON.stringify(result));
}
function foreach_sensors_row(err, row) {
if (err) throw err;
result[row['id']] = {
'name': row['name'],
'status': row['status'] == 0 ? 'inactive' : 'active',
'type': row['type'],
'unit': row['unit'],
'location': row['lat']+","+row['lon'],
'values': []
}
}
function foreach_sensors_complete() {
var values_query = "SELECT id, MIN(begin) AS begin, MAX(end) AS end, SUM(value) AS value FROM value";
var values_param = [];
var begin_time = null;
var end_time = null;
if (query['meters'] || query['time']) {
values_query += " WHERE";
}
if (query['meters']) {
var sensors = query['meters'].split(',');
values_query += " id IN (";
values_query += sensors.map(function(e) { return "?" }).join(',');
values_query += ")";
values_param = values_param.concat(sensors);
}
if (query['meters'] && query['time']) {
values_query += " AND";
}
if (query['time']) {
var time = query['time'].split(':')
time_begin = time[0];
time_end = time[1];
if (time_begin > 0 && time_end > 0) {
values_query += " begin > ? AND end < ?";
values_param = values_param.concat([time_begin, time_end]);
} else if (time_begin > 0) {
values_query += " begin > ?";
values_param = values_param.concat([time_begin]);
} else if (time_end > 0) {
values_query += " end < ?";
values_param = values_param.concat([time_end]);
}
}
values_query += " GROUP BY id";
db.each(values_query, values_param, foreach_value_row, foreach_value_complete);
}
result = {};
var sensors_query = "SELECT * FROM sensors";
var sensors = [];
if (query['meters']) {
var sensors = query['meters'].split(',');
sensors_query += " WHERE id IN (";
sensors_query += sensors.map(function(e) { return "?" }).join(',');
sensors_query += ")"
}
db.each(sensors_query, sensors, foreach_sensors_row, foreach_sensors_complete);
}
function handle_blacklist(res, query) {
var blacklist_query = "UPDATE sensors SET status=0 WHERE id=?";
if (!query['sensor']) {
res.writeHead(200, {'Content-Type': 'application/json'});
res.end(JSON.stringify([]));
return;
}
db.run(blacklist_query, query['sensor'], function(err) {
if (err) throw err;
var result_query = "SELECT * FROM sensors WHERE id=?";
db.get(result_query, query['sensor'], function(err, row) {
res.writeHead(200, {'Content-Type': 'application/json'});
res.end(JSON.stringify(row));
});
});
}
function handle_unblacklist(res, query) {
var blacklist_query = "UPDATE sensors SET status=1 WHERE id=?";
if (!query['sensor']) {
res.writeHead(200, {'Content-Type': 'application/json'});
res.end(JSON.stringify([]));
return;
}
db.run(blacklist_query, query['sensor'], function(err) {
if (err) throw err;
var result_query = "SELECT * FROM sensors WHERE id=?";
db.get(result_query, query['sensor'], function(err, row) {
res.writeHead(200, {'Content-Type': 'application/json'});
res.end(JSON.stringify(row));
});
});
}
function handle_rename(res, query) {
var rename_query = "UPDATE sensors SET name=? WHERE id=?";
if (!query['sensor'] || !query['name']) {
res.writeHead(200, {'Content-Type': 'application/json'});
res.end(JSON.stringify([]));
return;
}
db.run(rename_query, query['name'], query['sensor'], function(err) {
if (err) throw err;
var result_query = "SELECT * FROM sensors WHERE id=?";
db.get(result_query, query['sensor'], function(err, row) {
res.writeHead(200, {'Content-Type': 'application/json'});
res.end(JSON.stringify(row));
});
});
}
function handle_relocate(res, query) {
var rename_query = "UPDATE sensors SET lat=?, lon=? WHERE id=?";
if (!query['sensor'] || !query['location']) {
res.writeHead(200, {'Content-Type': 'application/json'});
res.end(JSON.stringify([]));
return;
}
var loc = query['location'].split(',');
if (!loc[0] || !loc[1]) {
res.writeHead(200, {'Content-Type': 'application/json'});
res.end(JSON.stringify([]));
return;
}
db.run(rename_query, loc[0], loc[1], query['sensor'], function(err) {
if (err) throw err;
var result_query = "SELECT * FROM sensors WHERE id=?";
db.get(result_query, query['sensor'], function(err, row) {
res.writeHead(200, {'Content-Type': 'application/json'});
res.end(JSON.stringify(row));
});
});
}
function request_handler(req, res) {
if (!req.connection.authorized) {
res.writeHead(403, {'Content-Type': 'text/plain'});
res.end("invalid ssl client certificate");
return;
}
parsed = url.parse(req.url, true);
methods = {
'/list': handle_list,
'/details': handle_details,
'/sum': handle_sum,
'/blacklist': handle_blacklist,
'/unblacklist': handle_unblacklist,
'/rename': handle_rename,
'/relocate': handle_relocate
}
console.log(req.url);
if (parsed['pathname'] in methods) {
methods[parsed['pathname']](res, parsed['query'])
} else {
res.writeHead(501, {'Content-Type': 'application/json'});
res.end("")
}
};
/*
function poll_sensors() {
fs.readFile('sensors.json', 'utf8', function (err, data) {
data = JSON.parse(data);
for (hosts in data) {
var options = {
host: hosts['host'],
port: hosts['port'],
path: '/details',
method: 'GET'
}
var request = http.request(options);
request.on('response', function (res) {
console.log("success");
});
request.on('error', function(e) {
console.log(e.message);
});
request.end();
}
});
}
setInterval(poll_sensors, 1000*3600); // once per hour
*/
/*
mdns.createAdvertisement('https', 8443).start();
*/
/*
child = exec("avahi-publish-service collector _https._tcp 8443 \"ns=wattsapp;ip=2001:638:709:5::5\"", function(error, stdout, stderr) {});
*/
var options = {
key: fs.readFileSync('/var/lib/wattsapp/collector.key'),
cert: fs.readFileSync('/var/lib/wattsapp/collector.crt'),
ca: fs.readdirSync('/var/lib/wattsapp/collector_clients').map(function(x) {
return fs.readFileSync('/var/lib/wattsapp/collector_clients/'+x);
}),
requestCert: true,
// rejectUnauthorized: true
};
var server = https.createServer(options);
server.addListener("request", request_handler);
server.listen(8443);

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debian/changelog vendored Normal file
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wattsapp-collector (0.1-1) oneiric; urgency=low
* initial version
-- Johannes Schauer <j.schauer@email.de> Thu, 07 Jul 2011 12:33:58 +0200

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7

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debian/control vendored Normal file
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Source: wattsapp-collector
Maintainer: Johannes Schauer <j.schauer@email.de>
Build-Depends: debhelper
Package: wattsapp-collector
Architecture: all
Depends: openssl, node-sqlite3, sqlite3, nodejs, avahi-daemon
Description: wattsapp-collector

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debian/rules vendored Executable file
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#!/usr/bin/make -f
%:
dh $@

60
debian/wattsapp-collector.init vendored Normal file
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#! /bin/sh
### BEGIN INIT INFO
# Provides: wattsapp-collector
# Required-Start: $syslog
# Required-Stop: $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: wattsapp collector
### END INIT INFO
set -e
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/bin/wattsapp-collector
NAME=wattsapp-collector
DESC="wattsapp collector"
test -x $DAEMON || exit 0
. /lib/lsb/init-functions
do_start()
{
start-stop-daemon --start --quiet --oknodo --make-pidfile --pidfile /var/run/wattsapp-collector.pid --background --exec $DAEMON -- $DAEMON_OPTS
}
do_stop()
{
start-stop-daemon --stop --quiet --oknodo --pidfile /var/run/wattsapp-collector.pid
rm -f /var/run/wattsapp-collector.pid
}
case "$1" in
start)
log_daemon_msg "Starting $DESC" "$NAME"
do_start
log_end_msg $?
;;
stop)
log_daemon_msg "Stopping $DESC" "$NAME"
do_stop
log_end_msg $?
;;
restart|force-reload)
log_daemon_msg "Restarting $DESC" "$NAME"
do_stop
sleep 1
do_start
log_end_msg $?
;;
*)
log_success_msg "Usage: $0 {start|stop|restart|force-reload}"
exit 1
;;
esac
exit 0

42
debian/wattsapp-collector.postinst vendored Normal file
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#!/bin/sh
set -e
case "$1" in
configure)
mkdir -p /var/lib/wattsapp
mkdir -p /var/lib/wattsapp/collector_clients
if [ ! -f /var/lib/wattsapp/collector.key ]; then
openssl genrsa -out /var/lib/wattsapp/collector.key 1024
echo "created privaate key in /var/lib/wattsapp/collector.key"
openssl req -new -key /var/lib/wattsapp/collector.key -out /tmp/certrequest.csr
openssl x509 -req -in /tmp/certrequest.csr -signkey /var/lib/wattsapp/collector.key -out /var/lib/wattsapp/collector.crt
echo "created self-signed certificate in /var/lib/wattsapp/collector.crt"
echo "distribute it to the cloud"
rm /tmp/certrequest.csr
fi
if [ ! -f /var/lib/wattsapp/collector.sqlite ]; then
cat | sqlite3 /var/lib/wattsapp/collector.sqlite << END
PRAGMA foreign_keys=OFF;
BEGIN TRANSACTION;
CREATE TABLE sensors (
id INTEGER,
name TEXT,
status INTEGER,
type TEXT,
unit TEXT,
lat REAL,
lon REAL
, uuid TEXT);
CREATE TABLE value (
id INTEGER,
begin INTEGER,
end INTEGER,
value REAL
);
COMMIT;
END
fi
esac
#DEBHELPER#