<?php
$client = new Mosquitto\Client();
$client->onConnect('connect');
$client->onDisconnect('disconnect');
$client->onSubscribe('subscribe');
$client->onMessage('message');
$client->connect("localhost", 1883, 5);
$client->onLog('logger');
$client->subscribe('#', 1);
for ($i = 0; $i < 10; $i++) {
$client->loop();
}
$client->unsubscribe('#');
for ($i = 0; $i < 10; $i++) {
$client->loop();
}
function connect($r, $message)
{
echo "I got code {$r} and message {$message}\n";
}
function subscribe()
{
echo "Subscribed to a topic\n";
}
function unsubscribe()
{
echo "Unsubscribed from a topic\n";
}
function message($message)
{
function on_disconnect()
{
global $_HOST, $_PORT, $_USERNAME;
// Display notice/confirmation of being disconnected.
echo 'Client disconnected.' . PHP_EOL;
echo 'Will attempt to reconnect in 5s.' . PHP_EOL;
sleep(5);
// Create a new $client object.
echo 'Trying to reconnect...' . PHP_EOL;
$client = new Mosquitto\Client();
$client->connect($_HOST, $_PORT);
// Bind callbacks
$client->onConnect('on_connect');
$client->onDisconnect('on_disconnect');
$client->onSubscribe('on_subscribe');
$client->onMessage('on_message');
for (;;) {
$client->loop();
}
}
require_once "Modules/process/process_model.php";
$process = new Process($mysqli, $input, $feed, $user->get_timezone($mqtt_server['userid']));
$mqtt_client = new Mosquitto\Client();
$mqtt_client->setCredentials($mqtt_server['user'], $mqtt_server['password']);
$connected = false;
$mqtt_client->onConnect('connect');
$mqtt_client->onDisconnect('disconnect');
$mqtt_client->onSubscribe('subscribe');
$mqtt_client->onMessage('message');
$mqtt_client->connect($mqtt_server['host'], $mqtt_server['port'], 5);
$topic = $mqtt_server['basetopic'] . "/#";
echo "Subscribing to: " . $topic . "\n";
$log->warn("Subscribing to: " . $topic);
$mqtt_client->subscribe($topic, 2);
while (true) {
$mqtt_client->loop();
}
function connect($r, $message)
{
global $connected, $log;
$connected = true;
echo "Connected to MQTT server with code {$r} and message {$message}\n";
global $log;
$log->warn("Connecting to MQTT server: {$message}: code: {$r}");
}
function subscribe()
{
global $log, $topic;
echo "Subscribed to topic: " . $topic . "\n";
$log->warn("Subscribed to topic: " . $topic);
}
public function study_config_updated()
{
$study_id = $this->input->post('study_id', true);
if ($this->Researcher_model->check_study_privileges($study_id, $this->session->userdata('id')) || $this->session->userdata('manager')) {
$config = $this->input->post('config', true);
// Get study database
$study_db = $this->_get_study_database($study_id);
// Get all study devices
$study_devices = $this->Researcher_model->get_device_data($study_db, "", "", "", "", "4294967295");
// Get MQTT server details
$mqtt_conf = $this->_get_mqtt_server_details($study_id);
// Using Mosquitto-PHP client that we installed over PECL
$client = new Mosquitto\Client("aware", true);
$client->setTlsCertificates($this->config->item("public_keys") . "server.crt");
//load server SSL certificate
$client->setTlsOptions(Mosquitto\Client::SSL_VERIFY_PEER, "tlsv1.2", NULL);
//make sure client is using our server certificate to connect
$client->setCredentials($mqtt_conf['mqtt_username'], $mqtt_conf['mqtt_password']);
//load study-specific user credentials so we can connect
$client->connect($mqtt_conf['mqtt_server'], $mqtt_conf['mqtt_port']);
//make connection
// Loop through devices and send message
foreach ($study_devices as $device) {
if (array_key_exists("device_id", $device)) {
$client->publish($study_id . "/" . $device["device_id"] . "/configuration", $config, 1, false);
$client->loop();
sleep(1);
}
}
$client->disconnect();
} else {
header('HTTP/1.0 401 Unauthorized');
exit;
}
}
public function remove_device()
{
if ($this->session->userdata('researcher')) {
$study_id = $this->input->post('study_id', true);
$device_id = $this->input->post('device_id', true);
$study_db = $this->_get_study_database($study_id);
//$this->Researcher_model->is_study_creator($study_id, $this->session->userdata('id'))
if ($this->Researcher_model->device_in_study($study_db, $device_id) && $this->Researcher_model->check_study_privileges($study_id, $this->session->userdata('id'))) {
//$this->output->set_output(json_encode(array("success" => true)));
// Get study data table names
$data_collected = $this->Researcher_model->get_study_tables($study_db);
$study_tables = array();
foreach ($data_collected as $key => $value) {
array_push($study_tables, $data_collected[$key]["TABLE_NAME"]);
}
// Delete device and its' data
$success = $this->Researcher_model->remove_device($study_db, $study_tables, $device_id);
// Get MQTT server details
$mqtt_conf = $this->_get_mqtt_server_details($study_id);
// Using Mosquitto-PHP client that we installed over PECL
$client = new Mosquitto\Client("aware", true);
$client->setTlsCertificates($this->config->item("public_keys") . "server.crt");
//load server SSL certificate
$client->setTlsOptions(Mosquitto\Client::SSL_VERIFY_PEER, "tlsv1.2", NULL);
//make sure client is using our server certificate to connect
$client->setCredentials($mqtt_conf['mqtt_username'], $mqtt_conf['mqtt_password']);
//load study-specific user credentials so we can connect
$client->connect($mqtt_conf['mqtt_server'], $mqtt_conf['mqtt_port'], 60);
//make connection, keep alive 30 seconds
$client->publish($study_id . "/" . $device_id . "/broadcasts", "ACTION_QUIT_STUDY", 1, false);
$client->loop();
sleep(1);
$client->disconnect();
$this->output->set_output(json_encode(array("success" => $success)));
} else {
header('HTTP/1.0 401 Unauthorized');
exit;
}
} else {
header('HTTP/1.0 401 Unauthorized');
exit;
}
}